EP2216273A1 - Système pneumatique d'aspiration des déchets doté d'un dispositif de stockage ainsi que procédé de transfert de déchets à l'aide d'un tel système d'aspiration des déchets - Google Patents

Système pneumatique d'aspiration des déchets doté d'un dispositif de stockage ainsi que procédé de transfert de déchets à l'aide d'un tel système d'aspiration des déchets Download PDF

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Publication number
EP2216273A1
EP2216273A1 EP10152808A EP10152808A EP2216273A1 EP 2216273 A1 EP2216273 A1 EP 2216273A1 EP 10152808 A EP10152808 A EP 10152808A EP 10152808 A EP10152808 A EP 10152808A EP 2216273 A1 EP2216273 A1 EP 2216273A1
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EP
European Patent Office
Prior art keywords
storage container
refuse
objects
waste
transport tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10152808A
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German (de)
English (en)
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EP2216273B1 (fr
Inventor
Bodo Rasch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SL Rasch GmbH
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SL Rasch GmbH
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Publication date
Application filed by SL Rasch GmbH filed Critical SL Rasch GmbH
Publication of EP2216273A1 publication Critical patent/EP2216273A1/fr
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Publication of EP2216273B1 publication Critical patent/EP2216273B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F5/00—Gathering or removal of refuse otherwise than by receptacles or vehicles
    • B65F5/005—Gathering or removal of refuse otherwise than by receptacles or vehicles by pneumatic means, e.g. by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00—Vehicles particularly adapted for collecting refuse
    • B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
    • B65F3/22—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle with screw conveyors, rotary tanks

Definitions

  • the invention relates to a pneumatic Müllsaugsystem with an input station for introducing garbage objects in a filling device, a storage device with a storage container having a feed opening, an outlet opening, and inside a propulsion device for transporting garbage objects within the storage container in the direction of discharge opening, wherein the storage container is connected via the feed opening to the filling device, a transport tube which connects the storage container with a central refuse collection point and an air inlet valve for generating an air flow through which the refuse objects are transported to the central refuse collection point.
  • Pneumatic Müllsaugsysteme serve for the underground transport of waste objects, especially from densely populated or difficult to access areas to a central collection point, from where the waste objects are transported by means of special garbage trucks.
  • the transport to the central refuse collection point via transport tubes, in which an air flow is generated, which conveys the garbage objects through the transport tube.
  • WO 2006/135296 A1 describes a Müllsaugsystem with a tank in the garbage objects can be stored temporarily for a short time when the amount of waste exceeds the suction capacity of the Abfallsaugsystems.
  • the garbage collection system via a garbage chute fed to the Müllsaugsystem first arrive in the stationary tank, which is located below the refuse collection station.
  • the stationary tank tapers towards the lower area.
  • a conveyor in the form of a screw conveyor is arranged, which rotates relative to the tank.
  • the auger ensures a loose distribution and forward movement of the garbage objects in the tank.
  • the forward movement of the garbage objects to an outlet opening, which leads into a transport tube through which the garbage objects are transported pneumatically to a central collection point.
  • the outlet opening of the storage container or the inlet opening of the transport tube may clog, as a result of which the air flow in the transport tube breaks off and a transport of the refuse objects is prevented.
  • garbage trucks e.g., http://www.faun.com/faunkat/dbimg/x111_L.jpg
  • a compressor screw to compact the refuse.
  • DE 35 38 813 A1 describes a refuse storage, which instead of a driven auger guide bleach on the inner wall of a rotatably mounted container, which provide for the transport of the garbage objects. With increasing filling of the waste is compacted by a pressure cone located in the feed opening. The drum has one of the feed opening axially opposite outlet opening. This device was developed to feed recycling plants.
  • US 5,845,566 describes a garbage storage, but unlike in DE 35 38 813 A1 described system uses no compressor screw for compression, but a rotating about an axis screw conveyor. This system reaches its limits where large amounts of waste have to be dealt with in a short time and has only very limited ones Compaction capabilities, since with increasing filling of the refuse storage, the risk of jamming between wall and auger bulk objects increases sharply.
  • the propulsion device is rigidly connected to the inner surface of the storage container, that a storage is provided, through which the storage container is rotatably mounted about its axis, that the supply port and the outlet port of the Storage container are arranged on axially opposite sides of the storage container, that between the outlet opening of the storage container and the transport tube, a supply unit for supplying the garbage objects to the transport tube is provided and that the air inlet valve is arranged outside the storage container and connected directly to the transport tube.
  • the Müllsaugsystem invention includes no relative to the storage container moving conveyor, so that jamming of MüllSaveen can be reliably prevented.
  • the inner surface of the jacket surface of the storage container is rigidly connected to a propulsion device.
  • Storage tank and propulsion device thus form a unit and can be rotated together about the axis of the storage container.
  • “Axis” This describes no component, but rather the axis of rotation of the storage container, which is the axis of symmetry of the storage container.
  • the supplied refuse objects can also be conveyed without a conveying device moving relative to the storage container, since the propulsion is realized by the joint rotation of the container with the advancing device.
  • the storage container is preferably cylindrical for this purpose.
  • the rotation of the storage container is made possible in particular by the opposite arrangement of the feed opening and the outlet opening.
  • the opposing arrangement of the supply port and the discharge port makes effective use of the space available inside the storage container.
  • the air inlet valve is arranged outside the storage container.
  • the air inlet valve is connected directly to the transport tube.
  • the suction generated by the air inlet valve thus serves only to transport the garbage objects through the transport tube, but not to empty the storage container. In this way, a tearing off of the air flow through the garbage objects in the Specher undertakener is avoided.
  • a supply unit is provided between the outlet opening of the storage container and the transport tube.
  • the amount of waste fed to the transport pipe can be metered, in particular if the conveying speed of the waste quantity is adjusted. This ensures optimum transport performance in the transport tube.
  • the storage container is a drum which is rotatably mounted on its peripheral surface.
  • the storage is thus completely outside the storage container.
  • this allows easy access to the storage, for example for maintenance purposes.
  • contamination by the refuse container in the storage tank objects and odor nuisance during maintenance is avoided.
  • the Müllsaugsystems invention has as propulsion device, the inner surface of the storage container on a helical guide plate.
  • a compression device in particular a static compressor screw
  • the rotation of the storage container results in a relative movement between the storage container and the compressor screw, so that with adequate filling of the storage container takes place compression.
  • the absorption capacity of the storage container can thereby be increased by a multiple, so that an optimal filling of the storage container is ensured. Due to the conical shape of the compressor screw, jamming of objects can be excluded.
  • the feed opening of the storage container is part of the static compressor screw.
  • the supply of the garbage objects in the storage container thus takes place through the compressor screw, which is arranged at the frontal axial end of the storage container.
  • Through the front-side feed opening in the compressor screw enter the garbage objects and fall directly through the bottom located in the compressor screw feed opening in the storage tank.
  • the feed opening of the compressor screw remains free even in the compression phase, because the garbage objects are pressed by the outer profile of the screw compressor in the storage container.
  • An advantageous embodiment provides that an automatically, preferably electrically, pneumatically or hydraulically operated closure device is provided, with which the outlet opening of the storage container can be closed.
  • the closure device ensures that only at defined times a controlled refuse collection takes place from the storage container.
  • the feed opening preferably comprises a frame to which on the one hand the input shaft and the compressor screw are connected.
  • the storage container also binds to the frame.
  • the feed unit connects the storage container with transport tube and is preferably located in a discharge chute. Since the storage container rotates, it is vorteilhat when the chute and / or the discharge chute each have a connection with a seal that prevents dust, garbage or liquids escape.
  • a chute can serve as a filling device and a conveyor belt or a lifting and tilting device.
  • a filling device can be dispensed with a filling device and the supply of waste by hand directly via the feed opening.
  • a secondary line (bypass) is provided between the storage container and the transport tube, which serves to generate an air flow from the storage container into the transport tube.
  • the secondary line can also be provided between the insertion chute and the transport tube. By the secondary line then a slight negative pressure in the chute and storage container is generated. In this way it can be prevented dusty air and unpleasant odors get through the inlet opening of the storage container to the input station.
  • a particular embodiment therefore provides that the input station can be lowered in the ground.
  • the input station and at least a part of the insertion chute are arranged vertically movable.
  • a pivotable connection device (chute) is provided between the retractable part of the insertion chute and the storage container or the stationary part of the insertion chute.
  • the connecting device pivots in the extended state under the shaft and connects it with the stationary components of the Müllsaugsystems. By pivoting the connecting device we created the space required for sinking the input station.
  • a sensor in particular a pressure sensor, is provided for detecting the fill level of the storage container.
  • a sensor in particular a pressure sensor
  • the opening and closing of the outlet opening of the storage container can be regulated.
  • Another aspect of the present invention is a method for transferring garbage objects from an input station to a central garbage collection point by means of the previously described Müllsaugsystems, comprising the following steps: input of the garbage objects in the filling device of the Müllsaugsystems via the input station, filling the storage container with the entered garbage objects via the feed opening of the storage container, conveying the refuse objects within the storage container in the direction of the outlet opening by means of the advancing device of the storage container, emptying the storage container via the (opened) outlet opening of the storage container, Supplying the garbage objects into the transport pipe of the Müllsaugsystems through the opened refuse supply valve, transporting the garbage objects to the central refuse collection point by means of an air flow in the transport tube, wherein the air flow is generated by opening the air inlet valve.
  • the refuse objects are supplied to the transport tube after leaving the storage container by means of a feed unit.
  • the storage container is rotated about its axis together with the propulsion device during filling and / or emptying of the storage container.
  • Particularly preferred is a method in which during the filling of the storage container at least temporarily, preferably from a defined degree of filling of the storage container, a compression of the garbage objects within the storage container by means of the compression device takes place. In this way, the storage capacity of the storage container can be increased at an increased waste incidence.
  • the filling and emptying of the storage container can be done at least temporarily simultaneously.
  • the emptying of the storage container sets only from a defined degree of filling of the storage container and / or time-controlled. In this way, the plant does not have to be operated continuously, whereby the energy costs necessary for operating the plant can be reduced. Of the Degree of filling, from which the emptying is to take place, can be determined in advance.
  • the air flow is generated by opening the air inlet valve, then the waste supply valve is opened and the supply unit is switched on. Subsequently, the outlet opening is opened by means of a closure device.
  • the throughput of the feed unit and the speed of the storage container are matched to the suction capacity of the transport tube. In this way, the garbage dosing can be optimized so that a maximum throughput is achieved.
  • Fig. 1 shows an inventive Müllsaugsystem with a storage device 1.
  • the in Fig. 1 shown Müllsaugsystem has two input stations 2a, 2b at different levels. About the input stations 2a, 2b can be supplied to Müllsaugsystem to be disposed garbage 3. In order to ensure a comfortable handling, the opening of the input stations 2a, 2b can take place automatically, in particular by means of RFID chip recognition.
  • the garbage objects 3 first pass into a chute 4, which is connected by a connecting frame (feed opening 5) with a compressor screw 12 and a drum-shaped storage container 6, the in Fig. 2 and Figure 3 shown in detail. The refuse objects then fall through an opening located below in the compressor screw 12 in the storage container 12.
  • the bearing comprises a plurality of bearing elements 8a, 8b, which are not located on the axis 7 of the storage container 6, but in the region of its outer jacket. In this way it is possible to arrange the feed opening 5 and an outlet opening 9 on axially opposite sides of the storage container 6.
  • two bearing elements 8a, 8b are respectively provided at the front and at the rear axial end of the storage container 6, on which the storage container 6 rests and can be rotated by a motor 10 in rotation.
  • the inner circumferential surface of the storage container 6 has the structure of a helical guide plate 11 .
  • the storage container rotating about the fixed compressor screw, with its guide plates 11, ensures the further transport of the waste objects 3 in the direction of the outlet opening 9.
  • the feed opening 5 of the storage container 6 comprises, for example, a frame which can be connected by means of a seal to the compressor worm 12 and / or to the insertion chute 4.
  • the compressor screw 12 is arranged statically on one of the base surfaces of the storage container 6.
  • the garbage objects 3 fall through the feed opening 5 in the static compressor screw 12 into the cylindrical storage container 6, which rotates during filling.
  • the rotation of the storage container 6 takes place in the direction of rotation, which moves the garbage objects through the helical turns of the propulsion device 11 to the front.
  • the rotation of the storage container 6 causes the refuse objects 3 to be initially conveyed by the advancing device 11 in the direction of the outlet opening 9, that is to say away from the compressor screw 12, and distributed in the storage container 6.
  • the garbage objects 3 are moved around the compressor worm 12 and compacted in their narrowing passages.
  • the compression can reach up to 500 kg / m 3 .
  • the charging of the storage container 6 can be carried out continuously with further refuse objects 3 until a previously set or system-related maximum pressure is reached.
  • the outlet opening 9 of the storage container 6 is connected via a feed unit 13 and an adjacent to the feed unit garbage supply valve 14 with a transport tube 15 through which the garbage objects 3 are transported to a central refuse collection point.
  • the required negative pressure for sucking the refuse objects prevails 3.
  • an air inlet valve 16 is opened.
  • the air inlet valve 16 is connected directly to the transport tube 15. Due to the pressure prevailing in the transport pipe 16 negative pressure air is sucked into the transport tube 15 after opening the air inlet valve 16 and thus generates a suction within the transport tube 15.
  • the Müilzubowventil 14 is opened and the feed unit 13 is set in motion. The system is now ready to empty the storage container 6.
  • the emptying of the storage container 6 takes place via the outlet opening 9 of the storage container 6, which can be closed with an automatically controllable closure device 17 .
  • the closure device 17 By opening the closure device 17, the refuse expands and initially falls off of the storage container 6 by itself.
  • the helical guide plate 11 fixedly attached to the cylindrical jacket of the storage container 6 causes the refuse objects 3 to move in the direction of the outlet opening 9.
  • connection funnel with the feed unit 13, which conveys the refuse objects 3 to the transport tube 15. Since it is unavoidable that more refuse objects 3 fall out of the storage container 6 than the refuse suction system can suck, the feed unit 13 ensures the correct "Mülldostechnik" for the transport tube 15. For this purpose, the speeds of the storage container 6 and the feed unit 13 on the Suction capacity of the refuse suction system (up to 90m 3 / h). The garbage objects are detected by the suction in the transport tube 15 and conveyed to the central refuse collection point.
  • the Müllsaugsystem invention can absorb large amounts of household waste or household waste similar waste and caching in order to then supply them according to the suction capacity of the connected Müllsaugstrom within a very short time. Depending on the amount of waste several storage tanks and transport tubes can be provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Collection And Transfer (AREA)
EP20100152808 2009-02-07 2010-02-05 Système pneumatique d'aspiration des déchets doté d'un dispositif de stockage ainsi que procédé de transfert de déchets à l'aide d'un tel système d'aspiration des déchets Not-in-force EP2216273B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009007820A DE102009007820A1 (de) 2009-02-07 2009-02-07 Speichervorrichtung für ein pneumatisches Müllsystem, pneumatisches Müllsaugsystem sowie ein Verfahren zum Überführen von Müllobjekten mittels eines solchen Müllsaugsystems

Publications (2)

Publication Number Publication Date
EP2216273A1 true EP2216273A1 (fr) 2010-08-11
EP2216273B1 EP2216273B1 (fr) 2012-07-11

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EP20100152808 Not-in-force EP2216273B1 (fr) 2009-02-07 2010-02-05 Système pneumatique d'aspiration des déchets doté d'un dispositif de stockage ainsi que procédé de transfert de déchets à l'aide d'un tel système d'aspiration des déchets

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EP (1) EP2216273B1 (fr)
DE (1) DE102009007820A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109811699A (zh) * 2019-03-21 2019-05-28 珠海亿华电动车辆有限公司 垃圾箱体和扫地车

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538813A1 (de) 1984-10-31 1986-05-15 M-U-T Maschinen-Umwelttechnik-Transportanlagen GmbH & Co KG, Stockerau Muellspeicher
US5845566A (en) 1998-04-30 1998-12-08 Lee; Ming-Fong Multi-slot closed type powerful garbage compression structure
WO2006135296A1 (fr) 2005-06-17 2006-12-21 Envac Centralsug Ab Procede de fonctionnement de cuve de collecte de dechets et systeme pour commander le fonctionnement de celle-ci
DE202009001500U1 (de) * 2009-02-07 2009-04-09 SL Rasch GmbH Special & Lightweight Structures Speichervorrichtung für ein pneumatisches Müllsaugsystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538813A1 (de) 1984-10-31 1986-05-15 M-U-T Maschinen-Umwelttechnik-Transportanlagen GmbH & Co KG, Stockerau Muellspeicher
US5845566A (en) 1998-04-30 1998-12-08 Lee; Ming-Fong Multi-slot closed type powerful garbage compression structure
WO2006135296A1 (fr) 2005-06-17 2006-12-21 Envac Centralsug Ab Procede de fonctionnement de cuve de collecte de dechets et systeme pour commander le fonctionnement de celle-ci
DE202009001500U1 (de) * 2009-02-07 2009-04-09 SL Rasch GmbH Special & Lightweight Structures Speichervorrichtung für ein pneumatisches Müllsaugsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109811699A (zh) * 2019-03-21 2019-05-28 珠海亿华电动车辆有限公司 垃圾箱体和扫地车

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DE102009007820A1 (de) 2010-08-26
EP2216273B1 (fr) 2012-07-11

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