CN109607205B - Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area - Google Patents

Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area Download PDF

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Publication number
CN109607205B
CN109607205B CN201811503772.1A CN201811503772A CN109607205B CN 109607205 B CN109607205 B CN 109607205B CN 201811503772 A CN201811503772 A CN 201811503772A CN 109607205 B CN109607205 B CN 109607205B
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Prior art keywords
feeding
air inlet
valve
main pipeline
communicated
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CN109607205A (en
Inventor
季胜
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CHANGZHOU CHANGHENG DEYU POWDER INTEGRATED SYSTEMS Co.,Ltd.
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Changzhou Changheng Deyu Powder Integrated Systems Co ltd
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Priority to CN201610375974.7A priority Critical patent/CN105905617B/en
Priority to CN201811503772.1A priority patent/CN109607205B/en
Publication of CN109607205A publication Critical patent/CN109607205A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/16Gas pressure systems operating with fluidisation of the materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/66Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/40Feeding or discharging devices
    • B65G53/46Gates or sluices, e.g. rotary wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/40Feeding or discharging devices
    • B65G53/50Pneumatic devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/52Adaptations of pipes or tubes
    • B65G53/56Switches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34Details
    • B65G53/60Devices for separating the materials from propellant gas

Abstract

The invention relates to a pneumatic conveying system suitable for garbage recovery treatment, which comprises an air inlet device, a feeding group, a gas-solid separation device, an exhaust fan and a main pipeline, wherein the air inlet device is connected with the feeding group; an air inlet device and an air-solid separation device which are communicated with the main pipeline are respectively arranged at the two ends of the main pipeline; at least one group of feeding groups communicated with the main pipeline are arranged on the main pipeline; the exhaust fan is communicated with the gas-solid separation device; the air inlet device comprises a cover body and an air inlet valve, wherein the cover body is provided with an air inlet, and the air inlet valve is positioned at the communication part of the cover body and the main pipeline; the feeding group comprises at least one feeding device, the feeding device comprises a cylinder body and a feeding valve, a feeding port is formed in the cylinder body, and the feeding valve is located at the communication position of the cylinder body and the main pipeline. The invention also relates to a working method of the pneumatic transmission system. The pneumatic conveying system can convey materials quickly, conveniently and pollution-free, and is suitable for recycling garbage.

Description

Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area
Technical Field
The invention relates to a device and a method for pneumatic conveying of materials through pipelines, in particular to a pneumatic conveying system for the integral recovery of garbage in large communities or administrative areas.
Background
The garbage is solid waste generated in daily life and production of human beings, and has large discharge amount and complex and various components, so that the garbage needs to be subjected to harmless, resource, reduction and social treatment, and if the garbage cannot be properly treated, the environment is polluted, the environmental sanitation is influenced, the resources are wasted, and the safety of production and life is damaged.
At present, in urban public health, garbage trucks are generally adopted for garbage recycling transportation. The garbage recycling mode has large personnel input amount and long time consumption, and the phenomenon that garbage and foul solution are scattered frequently occurs at the joint of vehicles and equipment in the process of collecting, transporting and treating the household garbage, thereby causing secondary pollution to the environment. How to provide a rapid, convenient and pollution-free garbage recycling method is an urgent problem to be solved by technical personnel in the field.
Chinese patent document CN105007766A (application number 201480013482.2) discloses a pneumatic conveying device, in particular a shredded tobacco conveying device, for conveying material, in particular shredded tobacco, in an air flow, comprising a plurality of conveying ducts supplied with conveying material in an air flow, in particular an air flow, and at least one separating device for each conveying duct. A separating device is integrated in each conveying duct and is designed such that the conveying material is separated off and a residual gas flow substantially separated from the conveying material is transported further in the conveying duct. Downstream of each separating device, a regulating unit is arranged in the conveying line, which has a throttle device and is regulated in such a way that a preset conveying speed is set in the corresponding conveying line by adjusting the throttle to be greater than or equal to a preset minimum value. The structure of the device is only suitable for materials with small volume and light weight, such as cut tobacco.
Chinese patent document CN102145813B (application number: 201110026479.2) discloses a pneumatic garbage conveying pipeline transportation system, which includes a garbage pipeline, a liner container connected to the garbage pipeline, and a first fan installed at an air inlet of the garbage pipeline, wherein the liner container includes a top opening and a closure plate located at the bottom thereof, the closure plate is movable between an open position and a closed position, when the closure plate is located at the open position, the interior of the liner container is communicated with the garbage pipeline, and when the closure plate is located at the closed position, the interior of the liner container is not communicated with the garbage pipeline. The system requires that the waste be placed in an inner container.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quick, convenient and pollution-free pneumatic conveying system and a working method of the system.
The invention provides a technical scheme for solving the technical problems, which comprises the following steps: a pneumatic conveying system is characterized in that: comprises an air inlet device, a feeding group, a gas-solid separation device, an exhaust fan and a main pipeline;
an air inlet device and an air-solid separation device which are communicated with the main pipeline are respectively arranged at the two ends of the main pipeline; at least one group of feeding groups communicated with the main pipeline are arranged on the main pipeline; the exhaust fan is communicated with the gas-solid separation device;
the air inlet device comprises a cover body and an air inlet valve, wherein the cover body is provided with an air inlet, and the air inlet valve is positioned at the communication position of the cover body and the main pipeline;
the feeding set comprises at least one feeding device, the feeding device comprises a cylinder and a feeding valve, a feeding port is formed in the cylinder, and the feeding valve is located at the communication position of the cylinder and the main pipeline.
The pneumatic conveying system also comprises a branch pipeline; one end of the branch pipeline is communicated with the main pipeline, and the other end of the branch pipeline is provided with an air inlet device; and the branch pipeline is provided with at least one feeding group communicated with the branch pipeline.
The main pipeline and the branch pipelines are buried underground; the air inlet device and the feeding group are arranged on the ground.
The gas-solid separation device comprises a separation cavity, a bin and a filter screen; the main pipeline is communicated with the separation cavity; the bin is positioned below the separation cavity and communicated with the bottom of the separation cavity; a garbage compressor is arranged in the bin; an air inlet pipe of the exhaust fan is communicated with the top of the separation cavity; the filter screen is located the intercommunication department of air-supply line and separation chamber of air exhauster.
The pneumatic conveying system also comprises a waste gas purification device communicated with the air outlet of the exhaust fan, wherein the waste gas purification device is one of a cloth bag dust removal device, a water film dust removal device, an activated carbon dust removal device and a filter screen dust removal device, or is sequentially connected with the cloth bag dust removal device, the water film dust removal device, the activated carbon dust removal device and the filter screen dust removal device.
The invention provides another technical scheme for solving the technical problems, which comprises the following steps: according to the working method of the pneumatic conveying system, the pneumatic conveying system further comprises a central control system, and the air inlet valve, the exhaust fan, the feeding port and the feeding valve are controlled by the central control system;
when a feeding device in the feeding group carries out material emptying operation, an air inlet valve is opened firstly, then an exhaust fan is opened, the feeding valve is opened after a feeding port is closed and locked, and materials are conveyed into a gas-solid separation device along a pipeline; after the materials are conveyed, the feeding valve is closed in sequence, the exhaust fan is closed, the air inlet valve is closed, the feeding port is unlocked after the feeding valve is closed, and the materials can be fed into the feeding device through the feeding port at the moment.
One preferred technical scheme is as follows: the feeding groups are provided with a plurality of groups, each feeding group is used for feeding different types of materials, and the emptying operation is carried out at intervals on each feeding group.
Another preferred technical scheme is as follows: and (3) emptying the materials from near to far or from far to near at regular time according to the distance between a feeding device in the feeding group and the gas-solid separation device.
Another preferred technical scheme is as follows: the pneumatic conveying system also comprises a material level detection sensor arranged in the feeding device, and the signal output end of the material level detection sensor is connected with the central control system; when the material level detection sensor detects that the material level of the feeding device reaches a preset value n, the feeding device carries out material emptying operation, and the value range of the preset value n is larger than two thirds of the volume of the feeding device.
The further preferred technical scheme is as follows: when the material level of the feeding devices reaches a preset value n to perform material emptying operation, the feeding devices belonging to the same feeding group and having the material level reaching a preset value m perform material emptying operation together, wherein the ratio of the preset value m to the preset value n ranges from one half to three quarters.
The invention has the positive effects that:
(1) the pneumatic conveying system of the invention forms a closed air channel through the air inlet device, the pipeline and the exhaust fan, conveys materials at high wind speed and high flow rate, has the characteristics of quickness, convenience and no pollution, and is particularly suitable for the recovery treatment of garbage. The air inlet valve, the feed inlet, the feeding valve, the exhaust fan and the like of the system can be opened and closed in sequence to improve the safety and stability of the system.
(2) The pneumatic conveying system can form net distribution, can extend and cover a large area by arranging the main pipeline and the branch pipelines, can prevent noise pollution by burying the conveying pipelines underground, and is suitable for the integral recovery of garbage in large communities or administrative areas.
(3) The pneumatic conveying system can arrange the garbage compressor in the bin of the gas-solid separation device to directly compress the collected solid-liquid garbage, thereby improving the working efficiency.
(4) The pneumatic conveying system can be additionally provided with the waste gas purification device, so that the air discharged into the atmosphere is clean and has no peculiar smell.
(5) The pneumatic conveying system can be intelligently controlled through an automatic program and has a plurality of selectable modes. For example, the timing mode: the emptying can be carried out on a plurality of feeding groups or feeding devices at fixed time, and the emptying can also be carried out at fixed time according to the distance between the feeding devices; energy-saving mode: the sensor detects that the feeding devices are full for emptying, if the feeding devices in the same branch or main road are full when one feeding device is empty, the feeding devices can also be emptied together; and (3) a polling mode: the central processing unit detects the material level of each feeding device through the sensor, automatically calculates and arranges an emptying scheme.
Drawings
FIG. 1 is a plan view of a pneumatic conveying system;
fig. 2 is a schematic configuration diagram of a pneumatic conveying system.
The above figures are numbered as follows:
the device comprises an air inlet device 1, a cover body 11, an air inlet valve 12, a feeding group 2, a feeding device 20, a barrel 21, a feeding valve 22, a feeding port 23, a gas-solid separation device 3, a separation cavity 31, a storage bin 32, a filter screen 33, an exhaust fan 4, a waste gas purification device 5, a main pipeline 8 and a branch pipeline 9.
Detailed Description
Referring to fig. 1 and 2, the pneumatic conveying system of the present embodiment includes an air intake device 1, a feeding set 2, a gas-solid separation device 3, an exhaust fan 4 and a main pipeline 8. An air inlet device 1 and an air-solid separation device 3 communicated with the main pipeline 8 are respectively arranged at two ends of the main pipeline 8. The main pipeline 8 is provided with a feeding group 2 communicated with the main pipeline 8. The exhaust fan 4 is communicated with the gas-solid separation device 3. The air intake device 1 comprises a cover body 11 and an air intake valve 12, wherein the cover body 11 is provided with an air inlet, and the air intake valve 12 is positioned at the communication position of the cover body 11 and the main pipeline 8. The feeding group 2 comprises at least one feeding device 20, the feeding device 20 comprises a cylinder 21 and a feeding valve 22, a feeding port 23 is formed in the side surface of the cylinder 21, and the feeding valve 22 is located at the communication position of the cylinder 21 and the main pipeline 8. The blower 4 is a powerful centrifugal fan.
The pneumatic conveying system of this embodiment further comprises a branch conduit 9. One end of the branch pipeline 9 is communicated with the main pipeline 8, and the other end of the branch pipeline 9 is provided with an air inlet device 1. The branch pipeline 9 is provided with a feeding group 2 communicated with the branch pipeline 9. The branch pipes 9 can be directly connected with the main pipe 8, and also can be connected with the main pipe 8 through other branch pipes 9, so that the net distribution is formed, the extension can be realized, the large area can be covered, and the garbage integral recovery device is suitable for the garbage integral recovery of large communities or administrative areas.
The main pipe 8 and the branch pipes 9 are buried underground. The air inlet device 1 and the feeding group 2 are arranged on the ground. The conveying pipeline is buried underground to prevent noise pollution.
The gas-solid separation device 3 comprises a separation cavity 31, a bin 32 and a filter screen 33. The main conduit 8 communicates with the separation chamber 31. The silo 32 is located below the separation chamber 31 and communicates with the bottom of the separation chamber 31. The air inlet pipe of the exhaust fan 4 is communicated with the top of the separation chamber 31. The screen 33 is located at the connection of the suction pipe of the suction fan 4 with the separation chamber 31. The bin 32 is internally provided with a garbage compressor which can directly compress the collected solid-liquid garbage. The screen can filter entrained particles from the gas so that they also fall into the bin 32.
In order to make the gas discharged to the atmosphere clean. The pneumatic conveying system of the embodiment further comprises a waste gas purification device 5 communicated with the air outlet of the exhaust fan 4, wherein the waste gas purification device 5 can be a filter screen dust removal device, a cloth bag dust removal device, a water film dust removal device and an active carbon dust removal device which are sequentially connected in series for multi-layer filtration.
The pneumatic conveying system of the embodiment further comprises a central control system, and the air inlet valve 12, the exhaust fan 4, the feeding port 23 and the feeding valve 22 are controlled by the central control system. The working method of the pneumatic transmission system of the embodiment is as follows: when the feeding device 20 in the feeding group 2 is used for emptying materials, the air inlet valve 12 is opened firstly, then the exhaust fan 4 is opened, the feeding port 23 is closed and locked, then the feeding valve 22 is opened, and the materials are conveyed into the gas-solid separation device 3 along a pipeline. After the material is conveyed, the feeding valve 22 is closed, the exhaust fan 4 is closed, the air inlet valve 12 is closed, the feeding port 23 is unlocked after the feeding valve 22 is closed, and at the moment, the material can be fed into the feeding device 20 through the feeding port 23. The safety of the system operation can be ensured by the switching sequence of the air inlet valve 12, the exhaust fan 4, the feeding port 23 and the feeding valve 22 and the locking and unlocking of the feeding port 23.
The pneumatic conveying system of the embodiment can be used for recycling classified garbage, a plurality of groups of feeding groups 2 are arranged according to the types of the classified garbage, each feeding group 2 is used for feeding different classified garbage, and emptying materials are carried out at intervals on each feeding group 2, for example, feeding devices 20 for collecting recyclable garbage belong to one feeding group 2 and are emptied together, and feeding devices 20 for non-recyclable garbage belong to the other feeding group 2 and are emptied together after a period of time. The gas-solid separation devices 3 aiming at different feeding groups 2 can be also arranged to open and close the pipeline passage through valves, so that the garbage in different feeding groups 2 can enter different gas-solid separation devices 3.
The pneumatic conveying system of the embodiment can perform material emptying operation from near to far at regular time according to the distance between the feeding device 20 in the feeding group 2 and the gas-solid separation device 3.
In order to save energy consumption, the pneumatic conveying system of the embodiment further comprises a material level detection sensor arranged in the feeding device 20, and a signal output end of the material level detection sensor is connected with the central control system. When the material level detecting sensor detects that the material level of the feeding device 20 reaches a preset value n, the feeding device 20 performs material emptying operation, and the preset value n is two thirds of the volume of the feeding device 20.
In order to further save energy consumption, in the pneumatic conveying system of the embodiment, when the material level of the feeding device 20 reaches the preset value n for emptying the material, the feeding devices 20 belonging to the same feeding group 2 and having the material level reaching the preset value m perform the material emptying operation together, and the preset value m is one half of the volume of the feeding device 20.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.

Claims (1)

1. A working method of a pneumatic transmission system is characterized in that: the pneumatic conveying system comprises an air inlet device (1), a feeding group (2), a gas-solid separation device (3), an exhaust fan (4) and a main pipeline (8);
an air inlet device (1) and an air-solid separation device (3) which are communicated with the main pipeline (8) are respectively arranged at two ends of the main pipeline (8); at least one group of feeding groups (2) communicated with the main pipeline (8) is arranged on the main pipeline (8); the exhaust fan (4) is communicated with the gas-solid separation device (3);
the air inlet device (1) comprises a cover body (11) and an air inlet valve (12), wherein an air inlet is formed in the cover body (11), and the air inlet valve (12) is positioned at the communication position of the cover body (11) and the main pipeline (8);
the feeding group (2) comprises at least one feeding device (20), the feeding device (20) comprises a cylinder body (21) and a feeding valve (22), a feeding port (23) is formed in the cylinder body (21), and the feeding valve (22) is located at the communication position of the cylinder body (21) and the main pipeline (8);
the pneumatic conveying system also comprises a material level detection sensor arranged in the feeding device (20), and the signal output end of the material level detection sensor is connected with the central control system;
the working method comprises the following steps:
when the material level detection sensor detects that the material level of the feeding device (20) reaches a preset value n, the feeding device (20) carries out material emptying operation, and the value range of the preset value n is larger than two thirds of the volume of the feeding device (20);
when the material level of the feeding device (20) reaches a preset value n to perform material emptying operation, the feeding devices (20) belonging to the same feeding group (2) and having the material level reaching a preset value m perform material emptying operation together, wherein the ratio of the preset value m to the preset value n ranges from one half to three quarters;
the pneumatic conveying system also comprises a waste gas purification device (5) communicated with an air outlet of the exhaust fan (4), wherein the waste gas purification device (5) is one or more of a cloth bag dust removal device, a water film dust removal device, an activated carbon dust removal device and a filter screen dust removal device which are connected in sequence;
the feeding groups (2) are provided with a plurality of groups, each feeding group (2) is used for feeding different types of materials, and each feeding group (2) is used for emptying materials at intervals;
the operation of emptying the materials is carried out from near to far or from far to near at regular time according to the distance between a feeding device (20) in a feeding group (2) and a gas-solid separation device (3);
the pneumatic conveying system also comprises a central control system, and the air inlet valve (12), the exhaust fan (4), the feeding port (23) and the feeding valve (22) are controlled by the central control system;
when a feeding device (20) in a feeding group (2) is used for emptying materials, an air inlet valve (12) is opened, an exhaust fan (4) is started, a feeding port (23) is closed and locked, a feeding valve (22) is opened, and the materials are conveyed into a gas-solid separation device (3) along a pipeline; after the material is conveyed, the feeding valve (22) is closed in sequence, the exhaust fan (4) is closed, the air inlet valve (12) is closed, the feeding port (23) is unlocked after the feeding valve (22) is closed, and at the moment, the material can be fed into the feeding device (20) through the feeding port (23);
the pneumatic conveying system also comprises a branch pipeline (9); one end of the branch pipeline (9) is communicated with the main pipeline (8), and the other end of the branch pipeline (9) is provided with an air inlet device (1); the branch pipeline (9) is provided with at least one feeding group (2) communicated with the branch pipeline (9).
CN201811503772.1A 2016-05-31 2016-05-31 Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area Active CN109607205B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610375974.7A CN105905617B (en) 2016-05-31 2016-05-31 Air-transport system and its working method
CN201811503772.1A CN109607205B (en) 2016-05-31 2016-05-31 Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area

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Application Number Priority Date Filing Date Title
CN201811503772.1A CN109607205B (en) 2016-05-31 2016-05-31 Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area

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CN109607205B (en) * 2016-05-31 2020-11-06 常州常衡德宇粉体集成系统有限公司 Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area
CN107792676A (en) * 2017-09-12 2018-03-13 合肥富通环保新能源科技有限公司 A kind of high pressure air exhauster applied to house refuse air-transport system
CN111547419A (en) * 2020-06-23 2020-08-18 南京浩睿达环保科技有限公司 Automatic garbage recycling device

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DK137634C (en) * 1975-03-21 1979-12-24 Bruun & Soerensen A/S
CN201456421U (en) * 2009-07-31 2010-05-12 吉林金航专用汽车制造股份有限公司 Lifting type garbage compressor
CN101712400A (en) * 2009-09-27 2010-05-26 广州恩华特环境技术有限公司 Closed-type automatic garbage-collecting system and control method thereof
FI124098B (en) * 2012-09-04 2014-03-14 Maricap Oy Plant for handling material and press / compactor device
CN203410905U (en) * 2013-07-31 2014-01-29 北京恒创源科技有限公司 Full-automatic pipeline collection system for garbage as well as bedding and clothing
CN205771987U (en) * 2016-05-31 2016-12-07 常州常衡德宇粉体集成系统有限公司 Air-transport system
CN109607205B (en) * 2016-05-31 2020-11-06 常州常衡德宇粉体集成系统有限公司 Pneumatic conveying system for overall garbage recovery of large-scale community or administrative area

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CN109607205A (en) 2019-04-12
CN109573625A (en) 2019-04-05

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