• 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:
    Compressed air is introduced into a feed pipe system for transporting powdery or granular material in order to promote dense flow conditions. Variable or fixed size restrictions with decreasing size of blocking surface in the direction of the material flow equalize the amount of air entering the feed pipe along its entire length. The compressed air is introduced into the feed pipe through porous materials positioned at least in the region of the restrictions.
    公开号:SU1074398A3
    申请号:SU802963398
    申请日:1980-08-20
    公开日:1984-02-15
    发明作者:МЕРЦ Вальтер
    申请人:Швайцерише Алюминиум Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to pneumatic conveying, namely to a pneumatic conveying system for conveying powdered or granular material with a high concentration. A known pneumatic conveying pipe system for conveying powdered or granulated material with a high concentration, containing a conveying pipe fixed to it with compressed air and a gasket. of porous 1st material mounted in the wall of the transport pipe, located in the cavity of the pipe for compressed air Laying of porous material passes through the entire length of the pipes, and through this gasket air can flow in and maintain the material in the loosened state С 1,. However, to transport material with a high concentration in a known system, energy is not productively consumed, since at the end of the compressed air pipe most of the compressed air flows into the transport pipe, where the material is and where the air resistance is greater and, conversely, at the beginning or middle part There is practically no compressed air coming from the transport tube. The goal is achieved by the fact that in a pipe-type pneumatic transport system for transporting powdered or granular material, the gasket is made of a porous material made up of disks located at a distance from each other, the tube for compressed air is provided with opposing discs which is set at a distance from the corresponding disk greater than the previous limiter from the corresponding disk. Bore barriers are made in the form of screws or bolts. In this case, screws or bolts can be rigidly fixed to the wall of the compressed air pipe. In addition, the bore limiters can be formed by protrusions made in the wall of the compressed air pipe. Each limiter and the disk facing it are made with the same cross section and profile. Fig, 1 shows the proposed pipeline system, a longitudinal section; FIG. 2 is a section A-A in FIG. 1; Fig. 3 shows a system with an embodiment of a limiter in the form of a profile element, longitudinal section; FIG. 4 shows a system in a turning section, a longitudinal section; Fig, 5 - pipeline system, a general view. The system includes a transport pipe 1 of round steel in which the material is transported, and has an internal diameter of approximately 70 mm and a wall thickness of approximately 3 mm. A pipe 2 for rectangular compressed air is fastened on the transport pipe 1, circular holes are made in the upper wall of the transport pipe 1, into which the porous disks 3 are drilled. A disk 4 is installed above the disk 3, which is an adjustable screw of approximately the same diameter itself. The bottom end side of this screw is predominantly made so that it matches the surface of the porous disk 3, t, e, in the form of a horizontal surface. However, this end side can also be made in the form of a hemisphere, a spherical segment, and t, p. Since the wall of the compressed air pipe 2 is too weak to perform in-line screwing on it, it is welded to the wall of the thread. bale part 5 (nut); To lock the screw, lock nut 6 serves; Screws perform the following functions: adjusting the amount of air flowing into the transport pipe, adjusting the amount of air flowing through the pipe for compressed air. As can be seen from FIG. 2, in this case, the dimensions of an open wipe in a tube for compressed air) and the part of the screw 4 entering the tube of compressed air fluctuate within a comparable order. The distance a of the screw from the porous disk 3 in the transport tube 1 is set depending on the type of material transported; lengths of the transport pipe; the porosity of the sintered bronze from which the discs 3 are made. If transporting air A flows into the compressed air pipe in the direction of the arrow, the least resistance in the transport pipe is near screw B, which means the largest amount of transport air flows in there. There is a lot of resistance in the transport pipe, so there is a small amount of transporting air. This contributes to the fact that the transport material 1 is pushed to the right of B and pushed to the left in the direction of the arrow. in contrast to the variable limiters (Figures 1 and 2), Figure 3 shows an immutable limiter. Above the porous disk 3, sunk into the recess of the wall of the transport pipe 1 made of steel, a stop section 4 is installed in the form of a profile element fixed to the upper wall of the pipe 2 for compressed air. This immutable limiter in the form of an inverted T helps to ensure that a portion of the compressed air A must flow through the gap between the porous disk 3 and the core element. Depending on the distance, the resistance more or less increases, so that through all the disks 3 from the porous material along the transport pipe approximately the same amount of air (by weight) flows out of the pipe for compressed air into the transport pipe. In all the exemplary embodiments (Figures 1 to 3), the distance o increases in the direction of movement of the material being transported. The pipe for compressed air is depicted with very large dimensions. In fact, its cross section with a 75 mm diameter transport pipe can be 20 mm wide and 16 mm high. At the turning section, the pipeline undergoes relatively large wear even with relatively slow pneumatic conveying with high horseback PEVMOTRAH1.; Deerle: "DEH-v-rv ri, concentration of the transported material. Therefore, according to the invention, a wear-resistant insert, for example, of sintered alumina, is used as the inner wall of the transport tube 1. In this ceramic molded part 7, 1 8 discs 3 of porous material are inserted. The shock-sensitive component 7 is placed in a protective sheath 8. A ring-shaped gap formed between the wear-resistant component 7 and the protective sheath 8 is filled mainly with foam. A ring of stiffness 9 is seated on the end of the transport tube to smooth the transition to a part 7 with thicker walls. Straight and curved pipes are connected to each other by flanges 10. Between the flanges 10 a flat seal 11 is installed. Figure 5 shows a general view of the system without an adapter or a three-way valve. In this case, the spherical valve 12 is open, and the spherical valve 13 is closed. If the solenoid valves 14 and 15 are open, the air flowing out of the supplied compressed air pipes 2 to the transport pipe 1 causes the material to be transported with high concentration through the open spherical valve 12. If the solenoid valve 16 closes the pipe 2 for compressed air, the bulk material passes behind the branching only for a short distance. Then a cork is formed. If this stopper from the loaded material should again disintegrate, then it is necessary to open the electromagnetic g -, - - - „„ -,., 1-1. i The conveying air flowing out near the restraints starts pneumatic transport with a high concentration of the transported material. The present invention improves the efficiency of the system.
    2
    Fig.Z
    12
    TO
    n
    15
    权利要求:
    Claims (5)
    [1]
    1. PIPELINE PNEUMOTIC TRANSPORT SYSTEM FOR THE TRANSPORTATION OF POWDERED OR GRAIN MATERIAL WITH A HIGH CONCENTRATION, containing a transport pipe, a pipe for compressed air fixed to it and a gasket made of porous material, mounted to the pipe, and mounted to the pipe into the pipe wall y u; and I'm with the fact that ;; in order to increase efficiency, the gasket made of porous material is made in the form of disks located at a distance from each other, the pipe 'for compressed air is equipped with flow restrictors located opposite the disks, each of which is installed at a distance from the corresponding disk greater than the previous limiter from the corresponding drive.
    [2]
    2. The piping system according to claim 1, characterized in that the flow restrictors are made in the form of screws or bolts.
    [3]
    3. The pipe system according to claim 2, characterized in that the screws or bolts are rigidly fixed to the wall of the pipe for compressed air.
    [4]
    4. The pipe system according to claim 1, characterized in that the restrictors are formed by protrusions made in the wall of the pipe for compressed air.
    [5]
    5. The piping system according to π, 1, characterized in that each stop and the disk facing it are made with identical cross sections in profile and area.
    M SU <m 1074398
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1074398A3|1984-02-15|Pneumatic transport pipeline system for conveying high-concentration pulverulent or grain material
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    US3850479A|1974-11-26|Flow gate for a fluidizing gravity conveyor
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    CN101899718A|2010-12-01|Blanking method and blanking device
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    SU1202980A1|1986-01-07|Installation for pneumatic transportation of piece cargoes
    KR850000489Y1|1985-03-23|Apparatus blowing of desulphurization flux
    同族专利:
    公开号 | 公开日
    FR2464208A1|1981-03-06|
    IT8024238D0|1980-08-20|
    IT1132446B|1986-07-02|
    CA1169110A|1984-06-12|
    AU6164380A|1981-04-09|
    DE3022656A1|1981-03-12|
    BR8005401A|1981-03-10|
    PL226148A1|1981-06-19|
    FR2464208B1|1985-01-11|
    AU537957B2|1984-07-19|
    US4615648A|1986-10-07|
    DE3022656C2|1989-09-21|
    CH643513A5|1984-06-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR683628A|1928-09-14|1930-06-16|Method and installation for the suction and discharge of materials of all kinds in tubular conduits to send them to any desired distance by means of compressed air nozzles, particularly applicable to backfilling operations in mining and the like|
    FR1227821A|1958-07-28|1960-08-24|Polysius Gmbh|Method and device for transporting powdery or granular product|
    US3268264A|1964-08-13|1966-08-23|Arthur M Squires|Apparatus and method for conveying dry pulverulent solid in liquidlike state|
    FR1431644A|1965-04-29|1966-03-11|Inst Fordertechnik Leipzig|Method and device for pneumatic conveying at high concentrations in conveying conduits|
    CH435075A|1965-05-19|1967-04-30|Smolka & Co Wiener Metall|Retaining part for ski bindings|
    FR1527587A|1966-06-16|1968-05-31|Buehler Ag Geb|Pipeline for transporting drop material|
    US3626986A|1967-06-15|1971-12-14|Buehler Ag Geb|Pipeline construction for pneumatic and hydraulic conveyance of solid material|
    US3537755A|1968-09-30|1970-11-03|Allied Chem|Charging coke oven with hot coarsely comminuted coal|
    DE2209674A1|1972-03-01|1973-09-06|Waeschle Maschf Gmbh|PIPE FOR A CONVEYOR LINE TO BE FILLED WITH ADDITIONAL AIR|
    DE2305030C3|1973-02-02|1983-02-10|Wäschle Maschinenfabrik GmbH, 7980 Ravensburg|System for the pneumatic conveying of bulk goods|
    US4002372A|1975-12-01|1977-01-11|General Shale Products Corporation|Pulverulent material metering and delivery system and method|
    US4116491A|1975-12-15|1978-09-26|Lemuel Leslie Ply|Tubular pneumatic conveyor pipeline|
    DE7834365U1|1978-11-18|1979-03-15|Weiss, Guenter, 6050 Offenbach|PNEUMATIC CONVEYOR LINE WITH SUPPLY AIR SUPPLY|DE3664622D1|1985-10-31|1989-08-31|Alusuisse|Device for charging bulk material containers, and its use|
    DE3613380C2|1986-04-21|1993-02-04|Joachim 7712 Blumberg De Teubert|
    FR2632617B1|1988-06-09|1990-08-17|Commissariat Energie Atomique|ADAPTABLE CORRIDOR FOR THE TRANSPORT OF PARTS IN AN ULTRA-CLEAN ENVIRONMENT|
    DE19613338C2|1995-06-13|1998-01-08|Foerdertechnik Freital Gmbh|Conveyor line with bypass for the pneumatic transport of bulk goods|
    DE19637012A1|1995-09-13|1997-04-03|Thyssen Stahl Ag|Jet cartridge with through bore which narrows to form jet|
    DE19842773A1|1998-09-18|2000-04-06|Motan Fuller Verfahrenstechnik|Overflow valve with length-independent installation|
    US20060214335A1|2005-03-09|2006-09-28|3D Systems, Inc.|Laser sintering powder recycle system|
    CN102887367A|2011-07-19|2013-01-23|丁起冲|Novel sub-area regulation type pipe|
    CA2926196C|2013-10-03|2019-10-01|M-I L.L.C.|Hose for bulk transfer operations|
    US10919286B2|2017-01-13|2021-02-16|GM Global Technology Operations LLC|Powder bed fusion system with point and area scanning laser beams|
    CN109230549B|2018-10-11|2020-08-11|中国矿业大学|Compound pneumatic conveying rotational flow elbow|
    CH716030A1|2019-04-01|2020-10-15|Stag Ag|Pipeline system for the pneumatic conveying of bulk goods.|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH785379A|CH643513A5|1979-08-28|1979-08-28|CONVEYING PIPE SYSTEM FOR POWDERED OR GRAINY GOODS.|
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