• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a sewerage well for collecting and discharging waste material, in particular household, medical and / or industrial waste, comprising liquid and solid components, the sewage well comprising: - a housing with a closable collection space, wherein one or more the walls of the housing are provided with at least one inlet adapted for feeding the waste material into the collection space, a flushing liquid supply designed for supplying flushing liquid to the collection space for suspending the waste material, and at least one outlet connectable to the sewer and adapted to discharge the mixture of waste material and flushing liquid from the collecting space to the sewer, - at least one pump connectable or connected to one or more outlets and adapted to pump out of the collecting space of the mixture brought into suspension and through the one or more outlets disposal thereof.
    公开号:NL2016583A
    申请号:NL2016583
    申请日:2016-04-11
    公开日:2017-01-26
    发明作者:Alexander Van Den Berg Eduardo
    申请人:Pharmafilter B V；
    IPC主号:
    专利说明:

    Sewage drain
    The present invention relates to a sewerage well and a method for collecting and discharging waste material, in particular household, medical and / or industrial waste, comprising liquid and solid components to the sewer.
    Systems are known for processing hospital waste in which the waste in the hospital is collected at various locations and manually brought to a central storage and processing location. An improved system is described in the European patent publication EP 2 188 069 A1. In the latter system use is made of a number of grinding devices which are suitable for grinding the hospital waste, for example consisting of feces and urine in a container such as a pot, and making it ready for further processing. The crushed hospital waste is fed via pipes to a separation device in which the actual hospital waste is separated from the material of the crushed container. Furthermore, the known system comprises one or more cleaning devices and / or treatment devices with which the waste can be further cleaned and / or purified. The cleaned and purified waste is ultimately disposed of via the public sewerage network (also referred to herein as the sewer).
    When the pipe system of the known system is connected directly to sewerage pipes of the sewer and the ground waste material has to be discharged directly via these sewage pipes, there is a risk that, depending on, among other things, the grinding quality of the grinding devices and / or the composition of the waste material. the sewer system became clogged. It would possibly be possible to connect the piping system to a sewerage pit installed in the subsurface of the hospital environment. Such a sewerage well (also referred to as a sewer well or inspection well) serves to be able to carry out inspections in the sewer system and furthermore offers the possibility of removing any blockages. For example, it is possible to periodically clean the inspection well, but it is clear that this entails additional costs and inconvenience.
    In view of the above problems, it is an object of the invention to provide a sewerage well and / or a method for discharging waste material with which waste material consisting of solid and liquid components can be reliably discharged to the sewer. It is also an object of the invention to provide a sewerage well and method in which the chance of blockages is reduced.
    According to a first aspect of the invention, at least one of the stated objectives and / or another object is achieved in a sewerage well for collecting and discharging waste material, in particular household, medical and / or industrial waste, comprising liquid and solid waste components, the sewerage well comprising: - a housing with a closable collection space, wherein one or more of the walls of the housing is provided with at least one inlet adapted for feeding the waste material into the collection space, a flushing liquid supply designed for supplying of rinsing fluid at the collection space for suspending the waste material, and at least one outlet that can be connected to the sewer and is arranged for discharging the mixture of waste material and rinsing fluid from the collection space to the sewer, the pump (s) that can be connected or connected to one or more outlets and which is adapted to remove from the collection tank Imte pumping the suspended mixture and discharging it through the one or more outlets.
    By supplying rinsing liquid, the waste material, more particularly the solid components thereof, can be (better) brought into suspension. As a result, the waste material can be discharged better and / or the chance of blockages is relatively small.
    The sewerage well can be block-shaped, the well comprising four upright side walls and a lying concrete bottom wall or floor. Other embodiments are of course also possible, for example versions with a substantially cylindrical shape. The top can be closed with a top wall with an opening hatch to open. The sewerage well is further designed to be wholly or partially installed in the subsurface and anchored therein. Sewer pits can be made from various materials, such as prefabricated concrete or plastic (PE, PVC or GRP).
    The outlet of the sewerage well is preferably arranged in such a way (with regard to height in the well and therefore in the subsurface, the diameter of the drain pipe, etc.) that it directly, and preferably without further technical measures, on the subsurface present in the subsurface sewer pipes can be connected.
    The sewerage well preferably comprises a collecting surface formed on the underside of the collecting space, which surface is arranged for at least partially swirling the supplied waste material with the rinsing liquid. The supplied waste material can be collected on the collecting surface, for example because solid components thereof sink on the surface. By passing spray liquid along the collecting surface, the collected waste material can be set into motion so that the solid components again tend to suspend in the liquid components and / or the spray liquid.
    In certain embodiments, the collecting surface is formed by the bottom of the sewage well. In other embodiments, the receiving surface is formed by a receiving plate, for example a steel plate. More specifically, in a particular embodiment, the collecting surface is formed by a collecting plate which can be attached or fixed substantially obliquely in the collecting space, in particular a steel collecting plate, wherein the rinsing liquid supply is adapted to cause rinsing liquid to flow along the top of the collecting plate. In this way the solid components are forced to one particular side and can be brought into vortex there.
    In a particular embodiment, the angle of inclination (a) between the receiving surface and a raised wall is between 30 and 80 degrees, preferably between 40 and 60 degrees.
    The flushing liquid supply may comprise one or more supply lines provided with a spray head, the spray heads being arranged such that flushing liquid can be sprayed on and / or along the collecting surface. The supply pipes can optionally be connected directly or indirectly to the standard domestic water supply network. The pressure of the flushing liquid supplied is possibly increased, for example by one or more pumps, but this is not necessary in all cases.
    In a further embodiment, said collecting surface comprises a first, substantially obliquely arranged, and higher disposed flat collecting part surface and a second, substantially concave and lower arranged collecting part surface. The concave (hollow) shape is preferably designed in such a way that the mixture of spray liquid and waste material flowing along it is swirled. The flushing liquid supply is herein arranged to control flushing liquid on and / or along the first sub-surface in the direction of the second sub-surface.
    Once the mixture is (further) brought into suspension, it can be suctioned off and discharged to the sewer. Preferably, the suspended mixture is pumped away from a position near the collection surface, for example a position at less than 2 m relative to the concave collection part surface or itself at less than 1 m thereof. In the area so close to the concave part, the chance that the mixture is in suspension is relatively high, and therefore the chance of an adequate discharge of the waste material is relatively high.
    According to another aspect of the invention, the sewerage well forms part of a system as described in EP 2 188 069 A1, the contents of which are incorporated herein in their entirety. In a particular embodiment, the system comprises: - one or more devices arranged for grinding and transporting waste material at different places in a building; - a pipe system that is connected on the one hand to the respective drain (s) of the said one or more devices and on the other hand to at least one sewerage well; - one or more separating devices arranged in the pipe system which are adapted to separate the ground and discharged waste material into at least a first and second waste part and to send the first waste part only to the sewage pit; and / or - one or more purification devices arranged in the piping system that are adapted to purify at least a part of the crushed and discharged waste material; and / or - one or more digesters arranged in the piping system that are adapted to ferment at least a part of the crushed and discharged waste material.
    According to yet another aspect of the invention, a method is provided for collecting waste material, in particular household, medical and / or industrial waste, comprising liquid and solid components in a sewerage well and discharged to the sewer, the method comprising: supplying waste material into the catchment area of a sewerage well; - feeding rinsing fluid into the collection space and mixing the rinsing fluid with the supplied waste material for suspending the solid components thereof; - discharging the suspension of rinsing material and waste material from the collection space.
    In some embodiments, the waste material is only moved and / or suspended. In other embodiments, the waste material is also brought into vortex, which promotes suspension of the solid components of the waste material. Bringing the waste material into swirl can be achieved in various ways. In an advantageous embodiment the method for this purpose comprises feeding flushing water along an oblique collecting surface provided in the lower part of the collecting space. This can lead to a downward movement of waste material collected on the collecting surface. Subsequently, the displaced waste material can be brought into swirl by first feeding rinsing water along an oblique collecting part surface and subsequently feeding the rinsing water along a substantially hollow collecting part surface.
    Further advantages, features and details of the present invention will be elucidated on the basis of the following description of some embodiments thereof. Reference is made in the description to the figures, in which:
    Figure 1 shows a partly cut-away perspective view of an embodiment of a sewerage pit according to the invention;
    Figure 2 shows a further cut-away perspective view of the lower part of the sewerage well of Figure 1;
    Figure 3 shows a top view of the sewerage well an embodiment of the invention;
    Figure 4 shows a section along axis A-A from Figure 4 of the sewerage well;
    Figure 5 shows a section along B-B from Figure 3;
    Figure 6 shows a section along C-C from Figure 5; and
    Figure 7 shows a section along D-D from Figure 4.
    Figures 1 and 2 show a concrete sewer pit or sewer pit 1. In the embodiment shown, the sewer pit is substantially block-shaped and comprises a lying wall part 2 or bottom part, four upright wall parts 3 and a lying wall part 4 which at the top side formed collection space 9. Figure 3 furthermore shows that a recess is provided in the upper wall 4 of the sewerage well, which recess can be closed with an access hatch 6, for example a tread plate floor. The access hatch 6 is so lightweight that it can be easily lifted to gain access to the sewerage well. A sewer (not shown) is furthermore arranged in the sewerage well with which an operator can enter the well 1 via the recess in the upper wall part 4.
    Figure 7 shows that an inlet or flushing line 10 is provided in the upper part of the well. This flushing line 10 is provided in a corresponding opening in the side wall 3 of the well and is connected in the usual way to the domestic water supply network. Flushing liquid in the form of water is supplied to this water supply network (in the direction of PA). The water pressure can vary here, for example between 1 and 5 bar. The flushing line 10 enters into the receiving space 9 on a distributor 11 which, via a manifold 12, distributes the supplied water over a number (five in the example shown, but this number may be larger or smaller in other embodiments) -17. These supply lines extend along the side wall 3 of the sewerage well (e.g. Figure 4) until they reach the top of a receiving plate 5. The supply lines 13-17 continue their way along the upper surface of the receiving plate 5 to a position approximately halfway the plate. A spray head 18 is provided at each of the ends of the supply line 13-17. Water supplied via the rinsing line 10 can be sent under pressure to the spray heads 18 (direction PB) so that the liquid (in particular the water) can be sprayed onto the plate 5. The rinsing liquid is sprayed obliquely in the downward direction (direction P2 in Figure 4) in the direction of the underside of the collecting plate 5.
    In the embodiment shown, the receiving plate 5 is made up of two plate parts. The first plate part 20 forms a first part surface which is substantially flat / flat. The second part comprises a curved part 21. This curved part forms a concave part surface along which the sprayed water from the supply lines ΟΙ 6 is guided (direction P3, figure 4). The water flow supplied via the supply lines, as shown in Figure 4, is downwards along the surface of the collecting plate 5 and, as a result of the shape of the part 21 thereof, is swirled.
    The waste from the building, for example the crushing and possibly cleaned and / or separated hospital waste, arrives via a supply 19 (Figure 4) and is transported in large quantities into the collection area 9. The crushed waste will move downwards under the influence of gravity (direction P1 - figure 4) and would accumulate near the bottom of the well if the spray heads were not to deliver rinsing liquid. Due to the oblique arrangement of the collecting plate 5 and the operation of the spray heads, in use, however, the waste material consisting of a mixture of liquid and solid parts will be directed in the direction of the concave part 21. As a result of the aforementioned swirls as a result of the shape of the collecting plate 5 and the pressure of the liquid sprayed via nozzles, the solid components of the waste material will (more) get into suspension. At the bottom of the sewerage well this large amount of suspension will form of liquid waste material, solid parts from the waste material and flushing liquid. This suspension can easily be discharged, for example by pumping this suspension via pumps 25, 26 (Figure 6) and discharging via discharge pipes 28 and an outlet 29 towards the sewer. To this end, the outlet 29 (outlet line) is directly connected to the sewerage network.
    It is important that the waste material provided in the collection space moves as far as possible to one side of the sewerage well in order to be locally suspended. As previously mentioned, the receiving plate 5 is arranged obliquely for this purpose. The angle of inclination (a) (see figure 4) between the upright wall 3 and the receiving plate 5, more particularly the flat part 20 of the receiving plate 5, is preferably between 40 ° and 80 °. It has been found that in particular the crushed hospital waste, this slope angle is sufficient to move the waste material downwards (P1; Figure 4). Once the waste material has passed beyond the spray heads 18 and is entrained by the rinsing water, the waste material will end up above the curved part of the collecting plate 5 and be brought into swirl.
    As shown in Figure 7, it is possible as an option to provide the sewerage well with a number of additional supply lines for flushing liquid. These supply lines are only partially shown in Figure 7 (supply lines 30.31, 32, 33). Supply pipes can be connected to the upper ends of these pipes (not shown), while spray nozzles 35 similar to spray nozzles 18 are provided on each of the undersides of these pipes.
    Also with these additional lines 30-33 the rinsing liquid can be sprayed on the top of the collecting plate and in a more upstream position with respect to the waste stream. In this way the waste stream can be moved downwards even better (if necessary, depending on the composition of the waste stream) to the curved part 21 of the collecting plate 5.
    In the embodiment shown, the distance A (Figure 4) between the top of the bottom 2 and the position of the pump 25, 26 is preferably smaller than 2 meters, even more preferably smaller than 1 meter. In this way the waste material is removed where the chance is greatest that the waste material is in suspension. In other embodiments, the pumps 25, 26 or at least the mouths thereof can also be at a different position within the receiving space 9.
    The present invention is not limited to the embodiments thereof mentioned herein. The scope is determined by the following claims, within the scope of which numerous modifications and adjustments are conceivable.
    权利要求:
    Claims (15)
    [1]
    Sewage well for collecting and discharging waste material, in particular household, medical and / or industrial waste, comprising liquid and solid components, the sewage well comprising: - a housing with a closable collection space, wherein one or more of the walls of the housing is provided with at least one inlet adapted for feeding the waste material into the collection space, a flushing liquid supply designed for supplying flushing liquid to the collecting space for suspending the waste material with the flushing liquid, and at least one outlet which is connectable to the sewer and is arranged for discharging the mixture of waste material and flushing liquid from the collecting space to the sewer, - at least one pump which can be connected or connected to one or more outlets and which is adapted for pumping out of the collecting space the mixture suspended and the discharge via the one or more outlets there of, wherein the collecting space comprises a collecting surface which is arranged for at least partially swirling the supplied waste material with the rinsing liquid and wherein the sewage well is arranged for pumping away the mixture from a position near the collecting surface.
    [2]
    Sewage well as claimed in claim 1, wherein the collecting surface is formed by a collecting plate that can be attached or fixed substantially obliquely in the collecting space, in particular a steel collecting plate, wherein the flushing liquid supply is arranged to allow flushing liquid to flow along the top of the collecting plate.
    [3]
    Sewage well as claimed in claim 1 or 2, wherein the flushing liquid supply comprises one or more supply pipes provided with a spray head, wherein the spray heads are arranged such that flushing liquid can be sprayed on and / or along the collecting surface.
    [4]
    Sewage well as claimed in any of the claims 1-3, wherein the receiving surface comprises a first, substantially inclined and higher arranged flat sub-surface and a second, substantially concave and lower-arranged sub-surface.
    [5]
    Sewage well as claimed in claim 4, wherein the flushing liquid supply is adapted to control flushing liquid on and / or along the first sub-surface in the direction of the second sub-surface.
    [6]
    Drainage pit according to one of the preceding claims, wherein the inlet for the pump is positioned at a short distance above a concave part surface of the collecting surface, preferably a distance of less than 2 m, in particular less than 1 m, from the concave subsurface.
    [7]
    Sewerage pit according to one of the preceding claims, wherein the angle of inclination (a) between the collecting surface and a raised wall is between 30 and 80 degrees, preferably between 40 and 60 degrees.
    [8]
    A sewerage well according to any one of the preceding claims, wherein the flushing liquid supply is connectable or connected to the domestic water supply network.
    [9]
    Sewerage pit according to one of the preceding claims, wherein the housing is made of concrete, in particular prefabricated concrete.
    [10]
    10. Waste treatment system for crushing and transporting waste material, in particular household, medical and / or industrial waste containing liquid and solid components in a building, in particular a care institution or aircraft field, the waste processing system comprising: - one or more at different places milling devices set up in the building for crushing waste material supplied; - a pipe system which is connected on the one hand to one or more drains of the said one or more grinding devices and on the other hand to at least one sewerage well connected or connectable to the sewerage according to one of the preceding claims and adapted for transporting to the at least one sewerage drain the crushed waste material; - one or more separating devices arranged in the pipe system which are adapted to separate the waste material transported in the pipe system into at least a first and second waste part and to send the first waste part only to the sewage pit; and / or - one or more purification devices arranged in the pipe system and adapted to purify at least one waste part of the waste material transported in the pipe system; and / or - one or more fermenters arranged in the pipe system that are adapted to ferment at least one waste part of the waste material transported in the pipe system.
    [11]
    11. Method for collecting waste material in a sewerage well and discharging it into the sewer, in particular household, medical and / or industrial waste comprising liquid and solid components, the method comprising: - supplying waste material into the collection space of a sewage well such as defined in any one of the preceding claims; - feeding rinsing fluid into the collection space and mixing the rinsing fluid with the supplied waste material for suspending the solid components thereof; - discharging the suspension of rinsing material and waste material from the collection space.
    [12]
    12. Method as claimed in claim 11, wherein the discharging comprises pumping up the suspension of waste material and rinsing water realized at the bottom of the collecting space.
    [13]
    A method according to claim 11 or 12, comprising swirling the supplied rinsing water and waste material to bring the solid components of the waste material into suspension.
    [14]
    A method according to claim 11, 12 or 13, comprising feeding rinsing water along an oblique collection surface provided in the lower part of the collection space for moving downwardly collected waste material collected on the collection surface.
    [15]
    A method according to claim 14, comprising first feeding rinsing water along an oblique collecting part surface and subsequently feeding the rinsing water along a substantially hollow collecting part surface for swirling the waste material collected on at least one of the collecting part surfaces.
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL2015201|2015-07-21|CN201680054477.5A| CN108026718B|2015-07-21|2016-07-21|Sewage pit|
    US15/745,599| US11078659B2|2015-07-21|2016-07-21|Sewage pit|
    EP16762898.1A| EP3325728B1|2015-07-21|2016-07-21|Sewage pit|
    KR1020187005069A| KR20180078223A|2015-07-21|2016-07-21|Sewer pit|
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    AU2016297330A| AU2016297330B2|2015-07-21|2016-07-21|Sewage pit|
    BR112018001344A| BR112018001344A2|2015-07-21|2016-07-21|sewer well, waste treatment system and method for receiving waste|
    DK16762898.1T| DK3325728T3|2015-07-21|2016-07-21|WASTEWATER WELL|
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    JP2018523731A| JP6883576B2|2015-07-21|2016-07-21|Sewage pit|
    IL257002A| IL257002D0|2015-07-21|2018-01-18|Sewage pit|
    ZA2018/00401A| ZA201800401B|2015-07-21|2018-01-19|Sewage pit|
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