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  • 专利说明
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    • 专利摘要:
    A method of transferring material in a pneumatic material transfer system, such as a waste transfer system, the material transfer system comprises at least one material supply point (60), a material transfer tube (100) connectable to the feed point (60) in the material transfer tube for at least the transport of the material, the means for providing the differential pressure and / or the transport air flow comprising at least one vacuum generator (125A, 125B), the material transfer system further comprising at least one separator device (90A, 90B). . In the method, in the first step, the material is transferred from the feed point (60) to the transfer tube (100, 100A, 100B, 100C, 100D, 100E) between the feed point (60) and the separator device (90A, 90B) in at least one tank space (202, 202A, 202B) by the suction / pressure difference and / or the transport air flow provided by the at least one vacuum generator (125A, 125B) in the first period (t1), and that in the second step of the method the intermediate tank (200, 200A, 200B) is moved to at least one tank space (202, 202A). , 202B) the material transferred in the previous step by means of the suction / pressure difference and / or the flow of transport air provided by the at least one vacuum generator (125A, 125B) to the separator device (90A, 90B) in the second period (t2). The invention also relates to a system.
    公开号:FI20205032A1
    申请号:FI20205032
    申请日:2020-01-14
    公开日:2021-07-15
    发明作者:Göran Sundholm
    申请人:Maricap Oy；
    IPC主号:
    专利说明:

    P-FI136340TL 621 METHOD FOR TRANSFERRING MATERIAL IN A PNEUMATIC MATERIAL TRANSFER SYSTEM AND PNEUMATIC
    BACKGROUND OF THE INVENTION The invention relates to a method according to the preamble of claim 1 in a pneumatic material transfer system. The invention also relates to a pneumatic material transfer system according to claim 17. Invention relates generally to pneumatic material transfer systems, such as vacuum transport systems, in particular to the collection and transfer of waste, such as - the transfer of household waste. Systems are known in which waste is transferred in a pipeline by suction. In these, the waste is transported long distances in the transfer tube by means of a pressure difference, such as suction and replacement air, in the transport air flow. The equipment is used for material e.g. for the shipment of waste in different facilities or for the shipment of waste material or recyclable material in urban areas. It is typical for equipment to use a vacuum equipment to create a pressure difference, in which a vacuum in the transfer pipe is provided by vacuum generators. Vacuum generators can be, for example, vacuum pumps, fans or ejector systems. The transfer tube typically has - at least one valve member which, when opened and closed, regulates the replacement air entering the transfer tube. Vacuum transmission systems typically have e.g. the following S problems: high energy consumption, high airflow in the piping, sound problems N, and dust and fine particle problems in the outlet pipe. In addition, especially at long distances, where the length of the transmission pipe can be several thousand meters, the N 30 pressure drop increases, so that very large pipe diameters and correspondingly efficient vacuum generators, pumping devices such as fans, are required to ensure satisfactory operation of the transmission system. Similarly, in the systems, separate separators have been used at the material & delivery end, where the material is separated from the S transport air. Below the separator devices there is typically a material container into which S 35 - the material separated from the transport air - is transferred = from the separator device. At the delivery end of the system, the space requirement of the separator device and the material container below it is large, especially in the height direction. This results in very costly solutions. Due to the large pipe sizes, more space is required for installations. Especially in systems with a long transfer distance, intermediate tanks have been used. The material is first transferred in the transfer tube to the intermediate tank and then from the intermediate tank - along the transfer tube to the material delivery end, where the material is separated from the transport air and transferred to the material tank. It has been possible to reduce the pipe sizes used - by using - in the case of waste feeders or waste shafts, material modifiers, in particular rotary modifiers, which modify and compact the material to fit in a smaller-than-normal diameter transfer pipe. Rotational modifiers have been disclosed - for example in WO 2011/098666; WO 2011/098667, WO2011 / 098668 and WO 2011/8669. Nevertheless, during very long waste transfer journeys, pressure losses in the transfer pipelines can become large.
    The object of the present invention is to further develop said systems and to provide a completely new solution in connection with material transfer systems, by means of which the disadvantages of the known solutions are avoided. Another object of the invention is to provide a solution suitable for vacuum transfer systems which is - suitable - for systems in which the pipe size of the transfer tube is large in at least part of the system. Brief description of the invention - The invention is based on the idea that at least part of the transfer piping before the intermediate tank has a first pipe size and between the intermediate tank and the material tank S the transfer pipe has a second pipe size. According to an embodiment of the invention, the second N tube size is smaller than the first tube size. In the method, the material 5 is rapidly transferred in the first periods of time from the feed points to the intermediate tank. N 30 In the second stage, which can be considerably longer than the first period I, the material is transferred from the intermediate tank to the separator tank of the delivery end of the system. a & The method according to the invention is mainly characterized by what S is mentioned in the claims. S 35
    The method according to the invention is further characterized by what is stated in claims 2 to 16. The system according to the invention is mainly characterized by what is - mentioned in the characterizing part of claim 17. The system according to the invention is further characterized by what is stated in claims 18 to 27.
    The solution according to the invention has numerous significant advantages. Using the system for material transfer in two steps, the first step is to empty - the feed points and = transfer their material to the branch transfer tube, the material transfer tube and onwards from the material transfer tube to the intermediate tank and in the second step transfer material from the intermediate tank to the collection tank. When the waste is transferred to the intermediate tank in the first stage, the pressure drop can be kept small when only transport air is transferred simultaneously in the same transfer pipeline or part thereof between the intermediate tank and the delivery head, so that the pressure drop in the entire pipe section is small.
    - A special advantage of the system is that the size of the transfer piping can be different before the intermediate tank than after the intermediate tank. In this case, if desired, a larger pipe size in the material transfer pipe before the intermediate tank and a smaller pipe size after the intermediate tank can be used in the material transfer direction.
    According to one embodiment, with piping with a larger pipe size, the waste is led from the supply points to the intermediate tank. The intermediate container may be between the portion of the material supply point and the material — the donation head. - According to an embodiment S, the intermediate container is arranged in a material collection station.
    N The assembly station is preferably in the vicinity of the delivery head or the delivery head is also in the assembly position.
    N 30 - When transferring material, material belonging to the same material type can be transferred from the I feed points to the intermediate container. The intermediate tank can then be dimensioned so that - during the emptying cycle, all or a large part of the & material belonging to the same material type fits into the intermediate tank. It is also possible to divide the material transfer system S into suitable parts.
    S 35 - Material is transferred from the intermediate tank to a separator tank in a smaller material transfer tube. The separator tank may be equipped with a press. the separator tank is preferably also a material transport tank.
    The material can be quickly transferred from the feed points to the intermediate tank.
    In this case, the time during which the feed points are out of use of the material feed can be minimized.
    The second step of transferring material from the intermediate tank to the separator tank can be performed between the emptying cycles of the first stage.
    This step can be performed - slower than the emptying period of the feed points because there is time between clearings.
    The solution according to the invention can also be used to optimize energy use, because with a large pipeline alone, the processing of waste, for example from a separate separation device to a transport tank, at the collection station takes time and it slows down the collection.
    With direct suction to an intermediate tank, where no time-consuming processing of the material is required, this disadvantage is not present.
    The properties of vacuum generators, such as vacuum pumps, can be effectively utilized in the solution according to the invention.
    In the first stage, ie the collection of material - from the supply points - to the intermediate tank - a large pump output is used in the pipeline with a larger nominal diameter.
    Transferring material from the intermediate tank to a smaller diameter pipe requires only about one-third of the first stage pump output.
    In this case, if desired, the intermediate tank can be emptied and the delivery head separated into two or three fractions simultaneously with a corresponding pump output, which must be used in the first - stage transfer from the feed points to the intermediate tank.
    The solution according to the invention enables a assembly station with the most compact volume.
    The construction size of the assembly station is reduced compared to solutions that use a large pipe size and separate separators and transport tanks. —In the solution according to the invention, the size of the piping and components is much smaller, so that it can be made compact in shape if necessary.
    S The invention also enables a lower height assembly position.
    High cyclone-type separators are not required, but direct suction containers, which are at the same time transport tanks, can be used as separators.
    In systems according to the known N 30 technology, which use large I - pipe sizes and with a large air flow required for transport, eg 21,000 m3 / h - (required by the DN 500 pipe), direct suction containers cannot be used as separators & because their resolution is limited.
    In the solution according to the invention, a pipe size S 35 with a smaller nominal diameter can be used for direct suction containers used as separators from the intermediate tank S, whereby a considerably smaller air flow is required for the transport of material (e.g.
    DN 300 pipe only needs
    7,000 m3 / h). In this case, according to the invention, direct suction containers can also be utilized as separating devices, which also function as transport tanks. In the solution according to the invention, the intermediate tank can be used in addition to the possible other tanks of the system 5, whereby the total capacity of the material transfer system increases. For even longer transmission distances, several intermediate stations arranged in succession at a distance from one another and parallel transmission pipes or medium channels between them can be used. The transfer piping or medium duct is constructed so that the first stage, from the feed point to the first intermediate tank, can be provided by one transfer pipe and the next stage from the first intermediate tank to the second intermediate tank or waste station by two parallel transfer pipes and then from the second intermediate tank to the waste station by e.g. This could be continued with even larger transfer journeys. The idea is that when there are long transfer distances, intermediate stations are needed between the feed points and the waste container due to the pressure drop. If the distance is long, the pressure drop of one pipe would become too large, so that two pipes are needed in the second stage and three in the third stage. By using several parallel tubes in the following steps and providing suction to the intermediate stations through them, an efficient transfer of material in the previous step can be achieved. According to the invention, a vacuum is provided via a plurality of transfer pipes or medium channels. Thus, according to an embodiment of the invention, it is also possible to reduce the diameter of the material transfer tube at least between the intermediate tank and the N 30 separator tank of the transfer head. Significant savings are achieved with the embodiments, I because the transmission piping is smaller in diameter and the amount of transfer air required for material transfer is smaller.
    S S 35
    BRIEF DESCRIPTION OF THE DRAWINGS In the following, the invention will be described in more detail by way of example with reference to the accompanying drawing, in which Figure 1 shows a system according to an embodiment of the invention in a first mode of operation, Fig. 4 shows a part of a system according to a second embodiment of the invention in a diagram in a second mode of operation, Fig. 5 shows a part of a system according to a second embodiment of the invention, Fig. 6 shows a part of an intermediate container according to an embodiment of the invention - in a first operating mode, and S Fig. 7a shows in detail applied in the embodiment of Figure 7
    O Part N.
    S N 30 Detailed description of the invention
    I The O symbols shown in the following paragraphs in conjunction with the other symbols may, if necessary, also be used separately. LO
    S S 35 - Fig. 1 shows a simplified diagram of a pneumatic material transfer system according to an embodiment of the invention. According to one embodiment, the embodiment of the pneumatic material transfer system may be a collection and transfer system for waste material or recyclable material.
    In a pneumatic material transfer system, material can be transferred from a supply point 60 in a material transfer tube 100, 100A, 100B, 100C, 100D by a pressure difference in the transport air flow — to the delivery end of the material transfer system.— At the delivery end -
    The separating device can be, for example, a separating tank. the pressure difference required for transporting the material = and the transport air flow can be provided, for example, by a vacuum generator 125A, 125B, the suction side of which can be connected to act on the material transfer tube 100. At the same time, replacement air can be introduced into the material transfer tube.
    Figure 1 shows a material transfer tube 100. At least one, typically a plurality of branch transfer tubes 63 may be provided along the material transfer tube 100. The material transfer tube 100 may be divided, for example by valve members 101, into a plurality of transfer tube portions 100A, 100B, 100C, 100D.
    The material transfer tube 100 may comprise an embodiment = one or more pipe sections to which the branch transfer pipe 63 is connected.
    Thus, according to one embodiment, the material transfer tube 100 may be formed of a plurality of transfer tube portions 100A, 100B. The transfer tube portions 100A, 100B may comprise transfer tube portions branching from the transfer tube 100. In the embodiment of Figure 1, the material transfer tube 100 comprises two branches.
    The first branch of the material transfer tube may comprise one or more tube portions 100A, 100C.
    The second branch of the material transfer tube may comprise one or more tube sections 100B, 100D.
    Material supply points 60 may be provided along the material transfer tube or its branch transfer tubes.
    The system may comprise a plurality of supply points 60 from which the material N 30 to be transported is fed to the transmission piping.
    The feed point 60 may have a feed tank 66 connectable to the branch transfer tube 63. Material may be fed from the feed point - feed port 61 to the material transfer tube 100. The feed point & feed port 61 may comprise an openable and closable door.
    There may be a valve member 62 between the supply container 66 of the supply point S and the branch transfer tube 63. By opening and closing the valve member S 35 62, material can be transferred from the supply point to the transfer tube.
    Thus, the supply point 60 may be connected to the branch transfer tube 63, and further to the material transfer tube 100. One or more supply points 60 may be connected to the branch transfer tube 63. According to one embodiment, the means for allowing and preventing access of replacement air may comprise a replacement air connection or an opening which may be provided with a replacement air valve 102 for controlling the access of replacement air to the transfer pipe. A muffler 103 and / or a filter device may be provided in connection with the replacement air connection or opening. —The replacement air required to empty the supply tank of the supply point 60 can come through the supply point. According to one embodiment, the supply point may have a separate replacement air connection 64. The supply points 60 and / or their supply containers 66 may be emptied. the desired feed points for the feed points have been emptied. A similar emptying arrangement is also applied to the branch transfer tube supply tanks, whereby the feed tank closest to the main transfer tube in the branch transfer tube 63 is emptied and then the next feed tank closer to the material transfer direction, etc., is emptied until the desired feed point - The material fed from the supply point 60 to the branch transfer tube 63 is conveyed to the pipe portion of the material transfer tube 100 and along it towards the delivery end.
    SN According to one embodiment, the material transfer system may comprise an intermediate tank 5,200. between the transfer point 60 of the transfer tube and the delivery end of the & material transfer system. The delivery head is typically S at a material collection station 300, where the material to be transported is separated from the S 35 transport air in a separator device, for example a separator tank 90A, 90B. The intermediate container 200 comprises a container space 202 to which material is introduced by a material transfer pipe through a supply opening 201 arranged in the wall of the intermediate container. The transfer tube 100 may be arranged in the intermediate container from the material inlet side to the intermediate container supply opening 201. According to one embodiment, the intermediate container 200 supply opening 201 may be arranged in the intermediate container wall 211. Figure 6 shows an embodiment of an intermediate container. The intermediate container 200 comprises a container space 202 into which the material can be fed through the supply opening 201. In the tank space 202 of the intermediate tank, the material can be temporarily stored. If it is desired to empty the intermediate tank, the material introduced into the intermediate tank is fed from the outlet 204 of the intermediate tank to the transfer pipe 105 for further feeding to the separator device 90A, 90B. A valve member 106 is provided between the tank space 202 of the intermediate tank 200 and the transfer tube 105, by opening and closing of which the movement of material from the feed tank 202 of the intermediate tank 200 through the material outlet 204 to the transfer tube 105 and further to the waste tank separator can be controlled. The intermediate tank 200 may be provided with a medium passage 203A, 203B at the top of the intermediate tank 200. The medium passage 203A, 203B can be a so-called the suction opening, the suction side of the line - vacuum generator 125A, 125B can be connected to act when it is desired to transfer material from supply points 60 or supply tanks 66 through material transfer pipe 100 to intermediate tank tank space 202. 203A or 203B - the material to be transported w (shown in Figure 6) remaining in the container space 202. A conveyor 206 may be provided in the intermediate container 200. According to one embodiment, the conveyor 206 may be a screw conveyor driven by a drive 207. The conveyor 206 is adapted to transfer material in the intermediate container.
    In the embodiment of Figure 6, the intermediate container 200 comprises a top wall 213 which can - connect the end walls 211, 212. The end walls 211, 212 extend downwards from the top wall 213 and are spaced apart. The intermediate container may comprise Q side walls 214, 216. The side walls may extend downwardly from the top wall 213. & The side walls may be spaced apart. The side walls 5 may connect the end walls 211, 212. The lower parts 215, 217 of the side walls 214, 216 may extend towards the bottom of the container 218. The lower parts 215, 217 I of the opposite side walls may extend towards each other, i.e. obliquely inwards. The container space 202 can then - form a chamber space tapering downwards from its lower part. The intermediate container 200 & conveyor 206 may be arranged in the lower part of the container space 202. The conveyor may be arranged in a downwardly tapering portion of the S 35 container space 202 delimited by the lower portions 215, 217 of the side walls 214, 216. The conveyor 206 may be arranged in the container space 202 to facilitate the transfer of material w from the intermediate tank container space 202 to the material outlet 204. According to one embodiment, when using a conveyor 207 may move away from the outlet 204 in the material space. or otherwise better conform to the material transfer tube 105 leading away from the intermediate tank.
    According to one embodiment, the material processor may be a so-called a rotary modifier in which material can be passed through an opening of one or more annular rotatable processing members from a first side to a second side.
    Rotary modifier —treatment members = compact the material to fit in a smaller nominal transfer tube.
    In the embodiment of Figure 6, the material may be passed in a substantially non-vertical direction through the material shaper to the transfer tube 105. In the embodiment of Figure 6, the material is transferred to the material shaper in a substantially horizontal direction.
    According to the embodiment of Figure 6, the intermediate container 200 can be formed in a frame, the support structures of which correspond to the so-called standard transport container dimensions.
    In this case, the intermediate tank can be easily transported to the installation site by means of transport equipment intended for the transfer of standard transport containers.
    The intermediate container 200 may also be without a material modifier in one embodiment.
    Figures 7 and 7a show a bypass channel arranged in connection with the intermediate tank.
    The bypass duct 220 may be arranged to provide a portion of the conveying air flow to bypass the supply opening 201, 201A, 201B of the valence cone 200, 200A, 200B.
    S The bypass duct may comprise a duct portion on which at least one additional duct 221A, 221B can be arranged N from the upper part of the intermediate container in the transfer direction of the material 5 before the intermediate container.
    In this case, part of the transport air flow passes the supply opening 201 of the intermediate tank N30.
    The duct portion 220 may be connected by a connecting portion 222 & to the material transfer tube 100. The duct portion 220 may reduce any airflow turbulence in the intermediate tank S.
    Part of the suction power provided by the vacuum generator S 35 - can be led through the intermediate tank suction openings 203A, 203B through the duct wall 20A, 205B to the intermediate tank from the supply port 201. This can reduce turbulence in the tank space of the intermediate tank.
    At least a portion of the transfer piping prior to the intermediate tank 200 has a first tube size D1 and between the intermediate tank 200 and the material separator tank 90A, 90B, the transfer tube has a second tube size D2. According to an embodiment of the invention, the second pipe size D2 may be smaller than the first pipe size D1.
    According to another embodiment, the intermediate container 200 may be of a different type. The intermediate container 200 may be formed in the form of a simple container, which may be formed in terms of dimensions, for example nominal diameter, of a pipe section wider than the transfer tube.
    The material collection station 300 may also be a material delivery head. As in Figure 1, the collecting station may be provided with means for providing a pressure difference and / or a flow of transport air in the transmission piping. The means for providing the differential pressure and / or the transport air flow may comprise vacuum generators 125A, 125B and their actuators 126A, 126B. In addition, means are needed - to conduct replacement air, which may be present in different parts of the system, for example in connection with supply points and / or transmission piping. The suction side of each vacuum generator 125A, 125B may be connected by a fluid connection, e.g., ducts 120A, 120B, 116A, 116B, directly through intermediate tank 202 and / or ducts 115A, 115B and one or more assembly stations through 105; 105B, 105, and further to the intermediate tank, and further to the transfer tube 100.
    S N Fig. 1 shows a simplified diagram of an operating mode in which the supply tank 66 of the supply point 61 can be emptied via the transfer piping to the intermediate tank 200.
    N 30 - The diagram shows the emptying of one feed point. The small arrows represent I transport air flow (and material transfer to the intermediate tank).
    - In the operating mode, several vacuum generators & conveying air flow of the embodiment can be utilized. The suction side S of the vacuum generator 125A, 125B can be connected to affect the fluid passage 120A, 117A, 116A; 120B, 117B, S 35 116B to a suction opening 203A, 203B arranged in the upper part of the intermediate container 200. In an embodiment, the output of one or more vacuum generators can be utilized. The valve 113A, 113B of the medium passageway 116A, 116B may be open, allowing the suction effect of the vacuum generator to act through the intermediate tank inlet 203A, 20B to the intermediate tank tank 202 and further through the feed opening 100 to the material transfer tube 100,
    If the material transfer tube 100 comprises = a area valve 101 or area valves by which the material transfer tube can be divided into material transfer tube portions 100A, 100B, 100C, 100D, as in Fig. 1, the area valve 101 may also be arranged in the open position between the intermediate tank 200 and the supply point 61.
    From the supply point 61, the material can pass to the branch transfer tube 63. From the branch transfer tube, the material can further pass to the material transfer tube section 100C and the transfer tube section 100A.
    From the transfer tube portion 100A, the material (and transport air flow) may pass into the tank space 202 of the intermediate tank 200. The material w (Fig. 6) remains in the tank space 202 of the intermediate tank.
    The conveying air flow may continue along the medium passages 116A, 116B and possibly through the particulate filter 117A, 117B and the medium passage 120A, 120B arranged therein to the vacuum generator 125A, 125B through the suction side and further to the blow pipe 130. The embodiment of , there are several, for example two, separating devices 90A, 90B.
    The separator devices may be alternately connected to the material transfer tube 105 from the intermediate tank outlet 204. The supply port of each separator device 90A, 90B may be connected to a fluid connection - to a material transfer tube 105 from an intermediate tank 200. One or more valve members to the separator device 90A, 90B.
    By adjusting the position of the valve members 110, the passage S from the transfer tube 105 to the separator device 90A, 90B can be opened.
    A medium channel 115A, 115B may be arranged at the top of each separator device N 90A, 90B.
    A valve member 114A, 114B may be provided in the medium passage 5 115A, 115B to open the connection and close the N 30 to the suction side of the vacuum generator 125A, 125B.
    Once the connection of the medium duct I 116A, 116B from the vacuum generators to the inlets 203A, 203B at the top of the intermediate tank can be closed, e.g. by valves 113A, 113B, the vacuum generators can be S 35 - the medium channel 115A, 115B may be arranged to join the medium channel 116A, 116B and further through the particle filter 117A, 117B to the medium channel 120A,
    120B and on the suction side of the vacuum generator.
    The medium passage 115A, 115B can be connected by the valve member 114A, 114B further - to the next - to the medium passage 116A, 16B leading to the particle separator 117A, 117B. From the upper part of the particle separator 117A, 117B, the medium passage 120A, 120B leads further to the suction side of the vacuum generator 125A, 125B.
    On the blowing side of the vacuum generators there is a = passage leading to the exhaust air duct 130.
    By means of the valve member 114A, 114B, the suction / vacuum provided by the vacuum generator 125A, 125B can be connected to the desired separator device 90A, 90B. The suction / vacuum effect can be further connected to the transfer tube section 105 by opening a connection 110 from the transfer tube section 105A, 105B selected by the valve 110. According to the invention, one or more supply points 60 connected to the branch transfer pipes 63A of the transfer pipe section 100A, 100B, 100C, 100D before the intermediate container can be emptied initially. until.
    - The vacuum generated by the vacuum generator - acting on the suction side of the pump device in Fig. 1 causes the waste material = to move from the supply tank 66 to the branch transfer pipe when the valve 62 is open and further through the corresponding transfer pipe section 100A from the transport air and to the ice tank compartment 202.
    S In the situation of Fig. 1, - the supply tanks 60 = supply tanks N through the branch transfer pipe to the main transfer pipe and further to the intermediate tank 201 5 until the desired supply points are emptied. This emptying step is typically N 30 - adapted to last as short a time as possible so that the feed points are out of the space where the material can be fed through them for as short a time as possible.
    3 S An embodiment of the method is characterized in that the material WW S 35 - is transferred from the feed points 60 to the intermediate tank 200 in the first period t1 and in at least one second period t2.
    According to one embodiment, the material is transferred from the intermediate container 200 to the material delivery end, such as the separator container 90A, 90B, in at least one third during periods t3.
    According to one embodiment, the third period t3, in which the material is transferred from the intermediate container to the delivery end, such as the separator container, can be scheduled for the period between the first period t1 and the second period t2.
    According to one embodiment, the third period t3 is longer than the first period t1 and / or the second period t2.
    According to one embodiment, the delivery head has a material separator tank, the tank comprising means for separating the material from the transport air. The separator tank can also be a transport tank.
    The number of branch transfer tubes 63 depends on the size of the system. The branch transfer tubes 63 may thus be considerably more or less than shown in FIG. The number of feed points 60 may vary according to the need of the object.
    Fig. 2 shows another operating mode in which the tank space 202 of the intermediate tank 200 is emptied and the tank space of the separator tank 90A is filled. The material can then be transferred from the container space 202 of the intermediate container along the material transfer tube 105 to at least one separator container 90A, 90B. The material can be processed by a material shaper 107 to seal the material transfer tube 105. In the material transfer direction - the nominal dimension D2 of the material transfer tube 105 forming the material path may be smaller than the nominal dimension D1 of the material transfer tubes 100, S 100A, 100B, 100C, 100D used before the intermediate tank 200. O
    N 5 The connection between the intermediate tank and the separator tank is opened via the material transfer pipe.
    N 30 - There may be at least one I valve 106, 108 between the intermediate tank outlet 204 and the separator tank 90A, 90B, whereby the connection from the intermediate tank to the separator tank can be connected by opening - valve 106, 108. The vacuum generator 125A suction S through the transfer tube section 105A to the material transfer tube 105. From the separator tank, the suction S 35 - further affects the material transfer tube section 105. The replacement air can be led by opening, for example by valve member 109, the access of replacement air to the intermediate tank. In this case, the material is transferred from the container space of the intermediate container 200 to the transfer tube 105. The transfer of material from the container space can be enhanced by using the conveyor 206 shown in Fig. 6.
    The flow of material to be transferred can be controlled by changing the position of the valve 110 to one of the material transfer pipe sections 115A, 115B leading from the separator tanks 90A, 90B. The material can be directed to the desired separator tank 90A, 90B, for example according to the type of material. The type of material may be, for example, a type of waste, such as mixed waste, recyclable waste, paper, glass, metal, etc. When the tank space of the separator tank is filled, the separator tank 90A can be replaced with another, empty, separator tank. Depending on the application, the material can be directed to move from the intermediate tank to the second separator tank 90B. This can be accomplished by changing the flow connection from the intermediate tank 200 by the valve 110 to the material transfer tube section 105B to which the second separator tank 90B is connected. In Fig. 2, the material can be controlled by the valve 110 to pass from the material transfer tube 105 through the tube portion 105A to the tank space of the separator tank 90A. In connection with the separator tank 90A, a material press 91A can be used to compact the material, i.e. to compact it into the tank space of the separator tank. In Figure 2, the arrows illustrate the transfer of material = with the transport air from the intermediate tank to the separator tank. The material separates from the transport air flow in the separator tank. From the separator tank onwards - in the flow direction - the arrows - describe - mainly the flow of the transport air flow - in the medium ducts 115A, 116A, 120A and in the exhaust pipe 130. Even after the separator tank there may be some material O
    N 5 Figure 3 shows an alternative in which several N 30 intermediate tanks can be arranged in the transmission pipeline 100. In the example of the figure, two intermediate tanks 200A, 200B are provided. I. A valve member 110 (2) is arranged in the transfer piping of the material S before the intermediate tanks. The S 35 material to be transferred can be directed from the material transfer tube 100 to one or more = intermediate tanks. The material can be directed to move to, for example, an intermediate tank 200A or 200B. In the figure, the valve 110 (2) is in a position where the material can be transferred to the tank space 202A of the first intermediate tank 200A. The material to be transferred can be directed to the desired intermediate tank, for example = according to the type of material to be transferred. It is also possible to increase the tank capacity of the system by using several intermediate tanks which can be filled and emptied as desired. In Fig. 3, after the intermediate containers 200A, 200B, the container spaces 202A, 202B, material processors 107A, 107B may be provided in the material passageways, in the material transfer direction. With the help of material modifiers 107A, 10 / B the material can be modified = more compact. By means of the material modifiers 107A, 107B, the material can be modified to fit the material transfer tubes 105A, 105B. The nominal dimensions D2 of the material transfer tubes 105A, 105B forming the material path in the material-binding direction may be smaller than the nominal dimensions D1 of the material transfer tubes 100, 100A, 100B, 100C, 100D used before the intermediate tanks 200A, 200B. The embodiment of Figure 3 comprises means for connecting the suction side of each vacuum generator to the first suction port of the intermediate tank and / or to the suction port of the second intermediate tank. According to one embodiment, the suction side of the first vacuum generator 125A can be connected by coupling means to act on the first suction opening 203AA of the first intermediate container and the first suction opening 203BA of the second intermediate container. The suction side of the second vacuum generator 125B can be connected - by means of coupling means to act on the second suction opening 203AB of the first intermediate tank and on the second suction opening 203BB of the second intermediate tank. The means for connecting the suction side of the first vacuum generator to the first intermediate tank may comprise a fluid passageway 120A, 116A. At least one valve member 113AA may be provided in the fluid passageway. The valve member 113AA can be opened and closed - said passageway from the suction side to the first intermediate container suction opening 203AA. The means for connecting the suction side 125A of the first vacuum generator to the second intermediate tank 200B may comprise a fluid passageway 120A, 116A 116AB. N At least one valve member 5 113BA may be provided in the medium passage 120A, 116A 116AB. The valve member can be used to open and close this passage from the suction side to the suction opening 203BA of the second N 30 intermediate tank.
    = - Means for connecting the suction side of the second vacuum generator to the second intermediate tank 200B & may comprise a medium passage 120B, 116B. At least one valve member 113BB may be provided in the medium passage 120B, 116BB. With the valve member 113BB, the S 35 can be opened and the passage in question closed from the suction side to the suction opening 203BB of the second intermediate tank. The means for connecting the suction side of the second vacuum generator 125B to the first intermediate tank 200A may comprise a fluid passageway 120B, 116B, 116BA.
    At least one valve member 113AB may be provided in the fluid passageway 120B, 116B, 116BA. With the valve member 113AB, said passage can be opened and closed from the suction side to the suction opening 203AB of the first intermediate tank.
    According to one embodiment, one or more supply points 60 connected to the branch transfer tubes 63 of the transfer tube portion 100A, 100B, 100C, 100D before the first intermediate container 200A can be emptied at first. through the feed opening 201A of the intermediate tank further up to said transfer pipe section 100A ... 100D. In this case, a connection can be made from the material transfer pipe section 100 to the first intermediate tank by the valve 110 (2). The suction side of the first vacuum generator 125A can be connected to act on the suction opening 203AA of the first intermediate tank 200A by opening a passageway thereto. This can be done - for example, by opening valve 113AA. Accordingly, the suction side of the second vacuum generator 125B can be connected to act on at least one suction opening of the first intermediate tank 200A. According to one embodiment (e.g., in the case of Figure 3), this can be accomplished by connecting the suction side of the second vacuum generator 125B to act on the second suction port 203AB of the first intermediate tank 200A. This can be done, for example, by opening the fluid channel valve 113AB. According to one embodiment, for example in the embodiment of Figure 3, the suction sides of the plurality of vacuum generators 125A, 125B can be connected to act in the
    NN When the first intermediate tank 200A is filled, or for other reasons if it is desired to fill 5 second intermediate tanks 200B with material = supply points 61, the suction sides of several N 30 vacuum generators 125A, 125B can be connected to affect the transfer tank 100 (B) 100, 100A, 100B, 100C, 100D. An operating mode of this & embodiment is illustrated in Fig. 4. In this case, the transfer pipe section 100 S can be connected to the medium with the tank space S 35 - of the second intermediate tank 200B by a valve 110 (2). In this case, the suction side of the first vacuum generator 125A can be connected to act on the suction opening 203BA of the second intermediate tank 200B by opening a path to it. This can be done, for example, by opening the = valve
    113BA. Accordingly, the suction side of the second vacuum generator can be connected to act on at least one suction opening of the second selector 200B. According to one embodiment, for example in the case of Fig. 4, this can be achieved by connecting the suction side of the second vacuum generator 125B to act on the second suction opening 203BB of the second intermediate tank 200B by opening a passageway thereto. This can be accomplished by opening the fluid passage valve 113BB. In the embodiment of Figure 4, the suction sides of the plurality of vacuum generators 125A, 125B are connected to act on the transfer pipe 100 in the emptying step of the supply points 61 (and in the filling step of the intermediate tank) through the second intermediate tank 200B.
    The vacuum provided by the vacuum generators acting on the suction side of the pumping device in Figure 1 causes the material to move from the supply tank 66 to the branch transfer pipe when the valve 62 is open and further through the corresponding transfer pipe section 100A, 100B, 100C, 100D, 100B to 20B wherein the material to be transported separates from the transport air and remains in the tank space 202B. In the situation of Figures 1, 3 and 4, the supply tanks of the supply points 60 are emptied through the branch transfer pipe to the main transfer pipe and further to the intermediate tanks 200, 200A, 200B - until the desired supply points are emptied. This emptying step is typically adapted to last as short a time as possible so that the feed points are as short as possible out of the space where material can be fed through them. Fig. 5 shows another embodiment of the system of the invention, in which there are several, for example two, intermediate tanks 200A, 200B. Each intermediate tank 200A, S 200B has a transfer tube section 105A, 105B leading to the collecting station 300. N The first intermediate tank 200A has a first transfer tube section 105A which, according to Fig. 5, can be connected to at least one of the separator tanks 90A, 90B. The second N30 intermediate tank 200B has a transfer tube section 105B which can be connected to at least one of the separator tanks 90A, 90B. In the embodiment of Figure 5, a first transfer tube section 105A leads from the first intermediate tank-200A to the first separator device 90A. & A second transfer pipe section 105B leads from the second intermediate tank 200B to the second separator device S 90B. This allows the first intermediate tank 200A to be emptied along the first transfer tube section 105A of the S 35 to the first separator device, preferably the separator tank 90A, and the second intermediate tank 200B, along the second transfer tube section 105B to the second separator device, preferably the separator tank 90B.
    The material can then be transferred from the container space 202A of the first intermediate container along the material transfer tube 105A to the first separator container 90A.
    The material can be processed by a material shaper 107A to seal to fit a smaller transfer tube 105A.
    The transfer tube 100, 100A, 100B, 100C, 100D used in the material transfer before the intermediate container 200A has been larger in nominal dimensions D1 than the nominal size D2 of the transfer tube 105A in the material transfer direction after the intermediate container 200A. The material transfer tube between the outlet 204A of the first intermediate container 200A and the separator container 90A may have at least one valve 106A, 108A, whereby the connection from the intermediate container to the separator container 90A is connected by opening the valve 106A, 108A.
    The suction of the first vacuum generator 125A is connected to act through the medium passage 115A to the first separator tank 90A and further to the material transfer tube portion 105A, whereby material is transferred from the tank space of the first intermediate tank 200A to the transfer tube 105A.
    Suction from the separator tank further affects the material transfer tube portion 105A.
    By opening the suction and, on the other hand, the replacement air, which can be led through the replacement air connection, e.g.
    The transfer of material from the tank space can be enhanced by using the conveyor 206 shown in Figure 6. The material can then be transferred from the tank space 202B of the second intermediate tank along the material transfer tube 105B to the second separator tank 90B.
    The material can be processed - by a material modifier 107B by sealing to fit in a transfer tube 105B having a smaller nominal size D2.
    The transfer tube 100, 100A, 100B, 100C, 100D used in the material transfer Q before the intermediate container 200B has been larger in nominal dimensions D1 N than the nominal size D2 of the transfer tube 105B 5 in the material transfer direction after the intermediate container 200B. = 30 I There may be at least one valve 106B, 108B in the material transfer pipe between the outlet 204B of the second intermediate tank 200B and the separator tank - 90B.
    The connection from the intermediate tank & the separator tank 90B can be connected by opening the valve 106B, 108B.
    The connection S from the intermediate tank to the separator tank 90B can be closed by closing the valve 106B, 108B.
    S 35 The suction of the second vacuum generator 125B can be connected to act through the medium channel 115B to the second separator tank 90B.
    Suction from the separator tank further affects the material transfer tube portion 105B.
    By opening the suction and, on the other hand, the replacement air, which can be led through the replacement air, for example by means of the valve member 109B, the replacement air enters the intermediate tank, a pressure difference The movement of material from the container space can be enhanced by using a conveyor 206 shown in Figure 6.
    According to one embodiment, material can be transferred simultaneously from the first intermediate tank 200A to the first separator tank 90A by the transport air flow provided by the first vacuum generator and from the second intermediate tank 200B to the second separator tank 90B by the second vacuum generator flow conveyor. According to one embodiment, the nominal dimensions D2 of the transfer tubes used in the second stage of the embodiment are smaller than the nominal dimensions D1 of the transfer tubes used in the transfer of the first stage. In one embodiment, the transfer piping sections 100 may be provided with a replacement air connection provided with valve members 102. The valve member 102 is open, for example, when material is to be transferred in the transfer piping and valves 62 of supply points 60. Two vacuum generators 125A - There may be several vacuum generators and they can typically be used in groups, for example in two groups. Vacuum generators are used to provide the vacuum, differential pressure and / or transport air flow required to transport the material to the transfer piping and / or its part. There may be more or fewer vacuum generators than shown, depending on the system embodiment. S When the material processors 17 are used in the intermediate stations 200, a relatively small pipe diameter of the transfer pipeline between the intermediate tank and the assembly station is obtained compared to the conventional N, for example a nominal pipe diameter of the order of about 200-300 3 30 mm. = = Substantial savings are achieved with the embodiments because the transfer piping & is smaller in diameter and the transfer air volume S required for material transfer is higher. The invention thus relates to a method for conveying material in a pneumatic material conveying system, such as a waste conveying system, comprising at least one material, in particular waste material, supply point 60, material = transfer pipe 100 connectable to in the material transfer tube for at least material - transport - means for providing a differential pressure and / or transport air flow comprising at least one vacuum generator 125A, 125B, and the material transfer system further comprising at least one separator device 90A, 90B. In the method, the material is transferred in a first step - from the feed point 60 to the transfer tube 100, 100A, 100B, 100C, 100D, 100E to the intermediate tank 200, 200A, 200B arranged between the feed point 60 and the separator 90A, 90B in at least one tank space 202, 202A, 202B by suction / pressure difference and / or transport air flow in the first period t1, and that in the second step of the method the material transferred in the previous step of the intermediate tank 200, 200A, 200B is transferred to at least one tank space 202, 202A, 202B by at least one vacuum generator 125A, 125B and / or by means of a flow of transport air to the separator device 90A, 90B in the second period t2.
    According to one embodiment, in the method, in the first step, material - is transferred in the material transfer tube 100, 100A, 100B, 100C, 100D, selectively to at least one of the at least two intermediate containers 200A, 200B to the container space 202A, 202B.
    According to one embodiment, in the second step, the material is transferred from the container space 202, 202A, 202B of the intermediate container 200, 200A, 200B in the material transfer tube 105, 105A, 105 B of the material container to at least one of the at least two N separators 90A, 90B.
    SN 30 - According to one embodiment, in the first step of the method, I material is transferred by a transfer tube section 100, 100A, 100B, 100C, 100D, 63, which is - in the material flow direction between the feed point 60 and at least S D1.
    S 35
    According to one embodiment, the material from the intermediate container 200, 200A, 200B is transferred by the transfer tube portion 105, 105A, 105B to a separator device 90A, 90B having a nominal diameter of the transfer tube portion D2.
    According to one embodiment, before the intermediate container, the nominal diameter D1 of the material transfer tube portion 100, 100A, 100B, 100C, 100D, 63 is larger than the nominal diameter D2 of the transfer tube portion between the intermediate container and the separator device.
    According to one embodiment, in the material transfer direction, the ratio of the nominal diameter D2 of the transfer tube portion between the intermediate tank 200, 200A, 200B and the separator device 90A, 90B to the nominal diameter D1 or D2 / D1 of the transfer tube portion before the intermediate tank 200, 200A, 200B is 74-3 / 4, preferably 3/5.
    - According to one embodiment, the first stage lasts for the period t1 and the second stage lasts for the period t2, the duration of the first stage period t1 being shorter than the duration of the second stage period t2.
    According to one embodiment, the second step of transferring material from the intermediate tank 200, 200A, 200B to the separator tank 90A, 90B is performed during the period between the first two steps of transferring material from the feed tank of the feed points to the intermediate tank 200, 200A, 200B.
    According to one embodiment, in the second step, material is transferred from a plurality of intermediate tanks 200A, 200B to a plurality of separator tanks 90A, 90B at the same time.
    S According to one embodiment, the material to be led from the tank space 202, 202A, N 202B of the intermediate tank to the transfer piping 105, 105A, 105B is treated by a shaping device 5 107, such as a rotary shaper.
    = 30 I According to one embodiment, in the first step of the method - the suction side of the vacuum generator 125A, 125B is connected to act on the intermediate tank 200, & 200A, 200B, for example on the upper part thereof. LO
    S S 35 - According to one embodiment, in the first step of the method, the suction sides of a plurality of vacuum generators 125A, 125B are connected to act on the intermediate tank
    200, 200A, 200B and further to the material transfer tube portion 100, 100A, 100B, 100C, 100D between the feed point and the intermediate container.
    According to one embodiment, in the second step of the method, the suction side of the vacuum generator is connected to affect the outlet 204, 204A, 204B of the intermediate tank 200, 200A, 200B through the tank space and the material transfer tube portion 105, 105A, 105B of the separator tank 90A, 90B.
    According to one embodiment, in the second stage, replacement air is supplied to the intermediate tank - by replacement air control means 109, 109A, 109B.
    According to one embodiment, in a first step, a portion of the transport air flow is provided to bypass the supply opening 201, 201A, 201B of the intermediate tank 200, 200A, 200B. The invention also relates to a pneumatic material transfer system, such as a waste transfer system, which material transfer system comprises at least one material, in particular waste material, supply point 60, material transfer pipe 100 connectable to the medium at the supply point 60 for transporting at least material, the means for providing a pressure difference and / or a transport air flow comprise at least one vacuum generator S 125A, 125B, and the material transfer system further comprises at least one N separator device 90A, 90B, wherein the material to be transported is separated from the transport air. In the system, the transfer tube is provided with at least one intermediate container 200, 200A, 200B with at least one container space 202, I 202A, 202B connectable between the transfer point 60 of the transfer tube and the separator device 90A, 90B, and that the material is adapted to be transferred & in the first = step = from the supply point 60 via a transfer pipeline with a nominal diameter D1 of the transfer tube section S to the intermediate tank 200, 200A, 200B, its S 35 - tank space 202, 202A, 202B, at least one suction / pressure suction / pressure difference in the system, the material transferred to the intermediate tank 200, 200A, 200B is adapted to be transferred in the second stage by the suction / pressure difference provided by the at least one vacuum generator 125A, 125B and / or the transport air flow from the intermediate tank 200, 200A, 200B to the separator 90A, 90B , 105B, which has a nominal diameter of D2, and that D1 is greater than in D2.
    According to one embodiment, in the material transfer direction, the ratio of the nominal diameter D2 of the transfer tube portion between the intermediate tank 200, 200A, 200B and the separator device 90A, 90B to the nominal transfer tube portion D1 or D2 / D1 before the intermediate tank 200, 200A, 200B is 1 / 3-3 / 4, preferably 3/5 .
    According to one embodiment, at least two intermediate containers 200A, 200B are arranged in the material transfer tube, in the container space 202A, 202B of which the material to be transported is adapted to be selected for transfer. - According to one embodiment, a separating device 90A, 90B is arranged at the delivery head. It is a material transport container, preferably a so-called direct suction container. According to one embodiment, the intermediate container 200, 200A, 200B comprises a container space 202, 202A, 202B in which a conveyor 206, such as a screw conveyor, is arranged.
    According to one embodiment, the system comprises a shaping device 107, such as a rotary cultivator, for processing material to be fed from the intermediate tank 200, 200A, 200B to the transfer tube 105, 105A, 105B. - According to one embodiment, at least one separator wall 205A, 205B is arranged in the upper part of the intermediate tank, through which the transport air can pass.
    N N According to one embodiment, in the system, material from each intermediate tank 200, 200A, 5 200B is adapted to be transferred along its own transfer pipe section 105, 105A, 105B N 30 to a separator device 90A, 90B. = - According to one embodiment = the intermediate tank 200, 200A, 200B comprises a replacement air duct in which a control means is arranged, for example a valve member 109, S 109A, 109B. S 35
    According to one embodiment, a bypass duct 220 is provided in connection with the intermediate tank to provide a portion of the transport air flow to bypass the supply opening 201, 201A, 201B of the intermediate tank 200, 200A, 200B. In one embodiment, the material feed points (60) are waste feed points, such as rubbish bins or waste pits. The drain valve of the feed point is opened and closed so that appropriately sized doses of material are transferred from the feed point to the transfer pipe. The material is fed - from a feed point, such as a waste bin or waste shaft, after which the drain valve is opened, either automatically or manually. It will be clear to a person skilled in the art that the invention is not limited to the embodiments described above, but can be varied within the scope of the appended claims. If necessary, the features presented in the description together with other features may also be used separately from each other. O OF O OF
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    权利要求:
    Claims (25)
    [1]
    Claims
    A method for transferring material - in a pneumatic material transfer system, such as a waste transfer system, the material transfer system - comprises at least one material supply point (60), in particular waste material, a material transfer tube (100) connectable to the supply point (60) to provide a differential pressure and / or transport air flow in the material transfer tube for at least material transport, the means for providing a differential pressure and / or transport air flow comprising at least one vacuum generator (125A, 125B), and the material transfer system further comprising at least one separator device (90A, 90B) the material to be transported is separated from the transport air by a material transfer system at the delivery end, characterized in that in the method the material is transferred in a first step from a supply point (60) to a transfer tube (100, 100A, 100B, 100C, 100D, 100E) - a supply point (60) and a separator an intermediate tank (200, 200A, 200B) arranged between the device (90A, 90B) in the at least one tank space (202, 202A, 202B) by the suction / pressure difference and / or the flow of transport air provided by the at least one vacuum generator (1254, 125B) in the first period (t1) , and that in the second step of the method the material transferred in the previous step of the intermediate tank (200, 200A, 200B) to the tank space (202, 202A, 202B) is transferred to the separator by the suction / pressure difference and / or the transport air flow provided by the at least one vacuum generator (90A, 90B) in the second period (12).
    Method according to claim 1, characterized in that in the first step the material is transferred in the first step in the material transfer tube Q (100, 100A, 100B, 100C, 100D) to at least one of the at least N two intermediate containers (200A, 200B) to the container space (202A, 202B).
    SN 30 A method according to claim 1, characterized in that in method I the material is transferred in a second step from the container space (202, 202A, 202B) of the intermediate container (200, 200A, 200B) in the material transfer tube (105, 105A, 105 B) & optionally to at least one at least two separator devices (90A, 90B).
    LO
    SS 35 A method according to any one of claims 1 to 3, characterized in that in the first step of the method the material is transferred by a transfer tube section (100, 100A, 100B, 100C, 100D, 63) in the direction of material transfer 200, 200A, 200B), and whose nominal diameter of the transfer tube section is D1.
    Method according to one of Claims 1 to 4, characterized in that - material is transferred from the intermediate tank (200, 200A, 2006) by means of a transfer tube section (105, 105A, 105B) to a separator device (904, 90B) whose nominal diameter of the transfer tube section is D2.
    Method according to Claim 4 or 5, characterized in that the nominal diameter (D1) of the transfer pipe section (100, 100A, 100B, 100C, 100D, 63) in the material transfer direction before the intermediate container is larger than the nominal diameter (D2) of the transfer pipe section between the intermediate container and the separator device.
    Method according to Claim 6, characterized in that the ratio of the nominal diameter (D2) of the transfer tube section between the intermediate tank (200, 200A, 200B) and the separator device (90A, 90B) to the nominal diameter (D1) of the transfer tube section before the intermediate tank (200, 200A, 200B) ) i.e. (D2) / (D1) is 2-3 / 4, preferably 3/5.
    Method according to one of Claims 1 to 5, characterized in that the first stage lasts for a period (t1) and the second stage lasts for a period (t2), the duration of the first stage period (t1) being shorter than the duration of the second stage period (t2).
    A method according to claim 7, characterized in that the second step of transferring material from the intermediate tank (200, 200A, 200B) to the separator tank (90A, 90B), S is performed in the first two steps. 200B).
    S N 30 A method according to any one of claims 1 to 8, characterized in that in the second step I material is transferred from several intermediate tanks (200A, 200B) - simultaneously to several separator tanks (90A, 90B).
    Method according to one of Claims 1 to 9, characterized in that the material to be fed from the tank space (202, 202A, 202B) of the intermediate tank to the transfer piping (105, 105A, 105B) is treated by a shaping device (107), such as a rotary shaper.
    Method according to one of Claims 1 to 10, characterized in that in the first step of the method, the suction side of the vacuum generator (125A, 125B) is connected to an intermediate tank (200, 200A, 200B), for example the upper part thereof.
    Method according to one of the preceding claims, characterized in that in the first step the suction sides of the plurality of vacuum generators (125A, 125B) are connected to the intermediate tank (200, 200A, 200B) and further to the material transfer pipe section (100, 100A, 100B, 100C, 100D). ).
    Method according to one of Claims 1 to 12, characterized in that in the second step of the method the suction side of the vacuum generator is connected to the outlet (204) of the intermediate tank (200, 200A, 200B) , 204A, 204B).
    Method according to one of Claims 1 to 13, characterized in that in the second stage replacement air is introduced into the intermediate tank by means of replacement air control means (109, 109A, 109B).
    Method according to one of Claims 1 to 14, characterized in that in a first step a part of the transport air flow is arranged to bypass the supply opening (201, 201A, 201B) of the intermediate tank (200, 200A, 200B).
    Method according to one of Claims 1 to 15, characterized in that the material is fed from material supply points (60) which are N waste supply points, such as rubbish bins or waste pits.
    SN 30 17. A pneumatic material transfer system, such as a waste transfer system, the material transfer system (60) comprising at least one material, in particular - waste material, a material transfer pipe (100) which is & connectable to a medium in contact with the feed tank of the supply point (60); and / or to provide a transport air flow in the material transfer tube S35 for at least the transport of the material, the means for providing the pressure difference and / or the transport air flow comprising at least one vacuum generator (125A, 125B), the material transfer system further comprising at least one separator device (90A, 90B), the material to be transported is separated from the transport air by a material transfer system at the delivery end, characterized in that the system provides at least one intermediate tank (200, 200A, 200B) with at least one tank space (202, 202A, 202B) connectable to the transfer point (6). 0) and the separator device (90A, 90B), and that in the system the material is adapted to be transferred in a first step from a supply point (60) along a transfer pipeline having a nominal diameter D1 to an intermediate tank (200, 200A, 200B), its tank space (202, 202A, 202 ), by the suction / pressure difference and / or the transport air flow provided by the at least one vacuum generator (125A, 125B) to the transfer pipe, and = that the material transferred to the intermediate tank (200, 200A, 200B) in the system is adapted to be transferred in the second stage by the at least one vacuum generator (125A, 125B) from the intermediate tank (200, 200A, 200B) to the separator device (90A, 90B) by a transfer pipe section (105, 105A, 105B) having a nominal diameter D2 and that D1 is greater than D2.
    A system according to claim 17, characterized in that the ratio of the nominal diameter (D2) of the transfer tube section between the intermediate tank (200, 200A, 200B) and the separator device (90A, 90B) to the nominal diameter (D1) of the transfer tube section before the intermediate tank (200, 200A, 200B) i.e. (D2) / (D1) is 1 / 3-3 / 4, preferably 3/5.
    A system according to claim 17 or 18, characterized in that at least two intermediate containers (200A, 200B) are arranged in the material transfer tube, in the container space (202A, 202B) of which the material to be transported is adapted to be selected for transfer.
    System according to one of Claims 17 to 19, characterized in that a separating device (90A, 90B) is arranged at the delivery end. It is a transport container for the material N, preferably a so-called direct suction container.
    S N 30 21. A system according to any one of claims 17 to 20, characterized in that the intermediate container (200, 200A, 200B) comprises a container space (202, 202A, 202B) in which - a conveyor (206), such as a screw conveyor, is arranged. A system according to any one of claims 17 to 21, characterized in that the system comprises a shaping device (107) such as a rotary cultivator for handling the material to be fed from the intermediate tank (200, 200A, 200B) to the transfer tube (105, 105A, 105B).
    System according to one of Claims 17 to 22, characterized in that at least one separator wall (205A, 205B) is arranged in the upper part of the intermediate tank, through which the transport air can pass.
    System according to one of Claims 17 to 23, characterized in that in the system, material from each intermediate container (200, 200A, 200B) is arranged to be transferred along its own transfer tube section (105, 105A, 105B) to a separator device (90A, 90B).
    System according to one of Claims 17 to 24, characterized in that the intermediate tank (200, 200A, 200B) comprises a replacement air duct in which a control means, for example a valve element (109, 109A, 109B), is arranged.
    System according to one of Claims 17 to 25, characterized in that a bypass duct (220) is arranged in connection with the intermediate tank in order to arrange part of the transport air flow to bypass the supply opening (201, 201A, 201B) of the intermediate tank (200, 200A, 200B).
    System according to one of Claims 17 to 26, characterized in that - the material supply points (60) are waste supply points, such as rubbish bins or waste shafts.
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    类似技术:
    公开号 | 公开日 | 专利标题
    FI123765B|2013-10-31|Method in a pneumatic material transfer system and in a pneumatic material transfer system
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    同族专利:
    公开号 | 公开日
    FI129115B|2021-07-15|
    WO2021144497A1|2021-07-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH05162809A|1991-12-17|1993-06-29|Nkk Corp|Pneumatic transport facility for refuse|
    FI122103B|2010-03-12|2011-08-31|Maricap Oy|Method and apparatus in a pneumatic material transport system and waste transport system|
    EP2785617A4|2011-12-02|2015-07-22|Maricap Oy|Method and pneumatic material conveying system|
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    PCT/FI2020/050763| WO2021144497A1|2020-01-14|2020-11-16|Method for conveying material in a pneumatic material conveying system, and pneumatic material conveying system|
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