CN112644535A - Train platform garbage collection system - Google Patents
Train platform garbage collection system Download PDFInfo
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- CN112644535A CN112644535A CN202011515613.0A CN202011515613A CN112644535A CN 112644535 A CN112644535 A CN 112644535A CN 202011515613 A CN202011515613 A CN 202011515613A CN 112644535 A CN112644535 A CN 112644535A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 161
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 description 6
- 238000005086 pumping Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D35/00—Sanitation
- B61D35/005—Toilet facilities
- B61D35/007—Toilet facilities comprising toilet waste receiving, treatment, storage, disposal or removal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/18—Adaptations of pipes or tubes; Pipe or tube joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
The application discloses train platform garbage collection system, collect pipeline, refuse classification collection unit, power pack and control system including a plurality of train carriages, full vacuum, a plurality of train carriages pass through the full vacuum is collected the pipe connection refuse classification collection unit, control system respectively with a plurality of train carriages and power pack communication connection, control system are used for controlling the power pack and start, and the power pack is used for starting the back, carries out the vacuum suction, and then collects the interior garbage collection of a plurality of train carriages to refuse classification collection unit.
Description
Technical Field
The application relates to the field of garbage disposal, in particular to a train platform garbage collection system.
Background
A train, also called a railway train, refers to a vehicle running on a railway track, which is generally composed of a plurality of cars, and is one of modern important transportation means of human beings, and a lot of garbage may be generated during the running process of the train, and the garbage needs to be disposed.
The conventional garbage disposal mode in the train is generally that garbage is manually collected and manually transported on a platform, the manual garbage collection and manual garbage transportation mode on the platform is low in efficiency, and the manual operation cost is high.
Disclosure of Invention
The technical problem that this application embodiment will solve lies in, solves the processing mode of rubbish among the current train and is collecting and platform manpower transportation rubbish for through the manual work usually, and the mode inefficiency of manpower collection and platform manpower transportation rubbish, and the higher problem of manpower operation cost.
In order to solve the above problems, an embodiment of the present application provides a train platform garbage collection system, including a plurality of train carriages, a full vacuum collection pipeline, a garbage classification collection unit, a power unit, and a control system, where the train carriages are connected to the garbage classification collection unit through the full vacuum collection pipeline, and the control system is in communication connection with the train carriages and the power unit respectively;
the control system is used for controlling the power unit to start;
and the power unit is used for performing vacuum suction after starting, and further collecting the garbage stored in the train carriages to the garbage classification and collection unit.
Further, to every train carriage, the train carriage includes refuse collection device, refuse collection device's lower extreme is equipped with discharge valve, refuse collection device passes through discharge valve with full vacuum collection pipe connection, refuse collection device with control system communication connection, refuse collection device is used for will throwing in refuse collection device inside rubbish carries out broken handle to rubbish after the broken handle is saved.
Further, full vacuum collecting pipe includes the full vacuum in station and collects the trunk line, the full vacuum collecting pipe in a plurality of platforms, a plurality of platforms full vacuum collecting pipe respectively with a plurality of train carriages are connected, and a train carriage is collected in the full vacuum in a platform and is connected, the full vacuum collecting pipe in a plurality of platforms is connected the one end of the full vacuum in station and collects the trunk line, the other end that the full vacuum in station was collected the trunk line is connected waste classification collection unit.
Further, the garbage classification and collection unit comprises a steering valve, a garbage separator, a discharge valve and a garbage collection box;
the steering valve is used for controlling the collection of the garbage in each platform full vacuum collecting pipeline in the plurality of platform full vacuum collecting pipelines;
the garbage separator is used for separating garbage from the airflow;
the discharge valve is used for respectively blocking the connection between the garbage separator and the garbage collecting devices in the train carriages;
the discharge valve is used for blocking the garbage separator and the garbage collection box so as to discharge the garbage in the garbage separator to the garbage collection box;
the garbage collection box is arranged at the lower part of the garbage separator and is used for collecting the garbage discharged by the garbage separator.
Furthermore, a plurality of sensors are arranged on the full vacuum collecting pipeline and used for detecting the characteristics of the air flow in the full vacuum collecting pipeline.
Furthermore, platform sub-control units are respectively arranged in the train carriages, and the platform sub-control units respectively arranged in the train carriages are respectively in communication connection with the control system.
Further, the power unit comprises a plurality of fan devices, the fan devices are used for exhausting the full-vacuum collecting pipeline, and a vacuum degree larger than a normal negative pressure vacuum state of the pipeline when the pipeline is not put in is generated during air exhausting.
Compared with the prior art, the garbage classification collection system comprises a plurality of train carriages, a full-vacuum collection pipeline, a garbage classification collection unit, a power unit and a control system, wherein the train carriages are connected with the garbage classification collection unit through the full-vacuum collection pipeline, the control system is respectively in communication connection with the train carriages and the power unit, the control system is used for controlling the power unit to be started, the power unit is used for performing vacuum suction after being started, and then the garbage stored in the train carriages is collected to the garbage classification collection unit, so that the problems of efficiency, sanitation, environment and operation cost of manual collection and platform manual transportation in the train carriages are solved; the garbage classification problem is solved on the train; the problem of crushing the garbage is solved on the train, and the transportation of small pipelines is facilitated; the problem of single pipeline carry out the transport and the collection of different types of categorised rubbish is solved.
Drawings
Fig. 1 is a schematic diagram of a train platform garbage collection system according to an embodiment;
fig. 2 is a schematic view of another train platform garbage collection system according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
A train, also called a railway train, refers to a vehicle running on a railway track, which is generally composed of a plurality of cars, and is one of modern important transportation means of human beings, and a lot of garbage may be generated during the running process of the train, and the garbage needs to be disposed.
The conventional garbage disposal mode in the train is generally that garbage is manually collected and manually transported on a platform, the manual garbage collection and manual garbage transportation mode on the platform is low in efficiency, and the manual operation cost is high.
In order to solve the above problem, as shown in fig. 1, a train platform garbage collection system includes a plurality of train carriages, a full vacuum collection pipeline, a garbage classification collection unit, a power unit, and a control system, wherein the train carriages are connected to the garbage classification collection unit through the full vacuum collection pipeline, and the control system is respectively in communication connection with the train carriages and the power unit;
the control system is used for controlling the power unit to start;
and the power unit is used for performing vacuum suction after starting, and further collecting the garbage stored in the train carriages to the garbage classification and collection unit.
In this application embodiment, to every train carriage, train carriage includes garbage collection device, garbage collection device's lower extreme is equipped with discharge valve, garbage collection device passes through discharge valve with full vacuum collection pipe connection, garbage collection device with control system communication connection, garbage collection device is used for will throwing in the inside rubbish of garbage collection device carries out broken handle to rubbish after the broken handle is saved.
In this application embodiment, full vacuum collecting pipe includes the full vacuum in station and collects the trunk line, the full vacuum collecting pipe in a plurality of platforms, a plurality of platforms full vacuum collecting pipe respectively with a plurality of train carriages are connected, and a train carriage is collected in the full vacuum in platform and is connected, the full vacuum in a plurality of platforms is collected the pipe connection the one end of trunk line is collected in the full vacuum in station, the other end that the trunk line was collected in the full vacuum in station is connected waste classification collects the unit.
In one embodiment of the present application, the garbage classification and collection unit includes a steering valve, a garbage separator, a discharge valve, and a garbage collection box;
the steering valve is used for controlling the collection of the garbage in each platform full vacuum collecting pipeline in the plurality of platform full vacuum collecting pipelines;
the garbage separator is used for separating garbage from the airflow;
the discharge valve is used for respectively blocking the connection between the garbage separator and the garbage collecting devices in the train carriages;
the discharge valve is used for blocking the garbage separator and the garbage collection box so as to discharge the garbage in the garbage separator to the garbage collection box;
the garbage collection box is arranged at the lower part of the garbage separator and is used for collecting the garbage discharged by the garbage separator.
In an embodiment of the present application, a plurality of sensors are disposed on the full-vacuum collection pipe, and the plurality of sensors are used for detecting characteristics of the airflow in the full-vacuum collection pipe.
In an embodiment of the present application, the plurality of train cars are respectively provided with a platform sub-control unit, and the platform sub-control units respectively provided in the plurality of train cars are respectively in communication connection with the control system.
In an embodiment of the present application, the power unit includes a plurality of fan devices, and the plurality of fan devices are used for pumping air to the full-vacuum collection pipeline, and when pumping air, a vacuum degree greater than a normal negative pressure vacuum state of the pipeline when not put in is generated.
In this application embodiment, can put in vacuum pipeline collection device with waste classification directly sets up in each section carriage of train, and after the train stops to get into the station, the full vacuum of platform is collected the pipeline and is docked with the carriage suction tube, and under the control of central control unit, the system carries out the suction to the categorised rubbish in each section carriage and collects. The system consists of five major parts: train compartment unit, station pipe network unit, rubbish classification collection unit, power pack, system control unit. The train compartment unit comprises a train garbage classified throwing vacuum pipeline collecting device, a compartment suction pipe and a compartment internal signal and control line. The station pipe network unit comprises a station full-vacuum collecting main pipeline, a platform full-vacuum collecting pipeline, a platform suction connecting pipe, an air inlet cleaning valve, an on-off valve and an exhaust purification and silencing device. The garbage classification collection unit comprises a steering valve, a garbage separator, a discharge valve and a garbage collection box. The power unit comprises a fan unit and supporting facilities. The system control unit comprises various sensors (such as a pressure controller and a pressure detector), a central control unit, a platform sub-control unit, a communication line, a platform signal and control line and a platform connection line. This application puts in vacuum pipe collection device with waste classification and sets up in each section carriage of train. After the classified garbage is thrown in, the classified garbage is crushed and temporarily stored in the device. After the train is stopped, the full-vacuum collection pipeline of the platform is in butt joint with the suction pipe of the carriage, and the signal is in butt joint with the control line. At the moment, the station pipe network unit and the train carriage unit are combined into a large vacuum suction pipe network. And under the control of the system control unit, the power unit performs vacuum suction on the whole pipe network. When the vacuum degree of the whole pipe network reaches a preset value, the system control unit controls the garbage classification and collection unit to realize suction and classification and collection of the classified garbage in each carriage of the train.
The above-described embodiment will be illustrated by an example as shown in fig. 2, and it should be noted that the embodiment of the present application is not limited to the following example.
System architecture (one):
suppose that there are 6 platforms, number 1# platform, 2# platform and 6# platform in the train station of a city. The system is used for pumping and collecting classified garbage which is thrown, crushed and temporarily stored in a carriage after a train enters a station and stops.
The front end collecting device of the system is a train garbage classified throwing vacuum pipeline collecting device 1, a carriage suction pipe 2 and a carriage signal and control line 3 of a train carriage unit. Suppose that the train has 18 cars, i.e. there are 18 sets of car units in total.
The branch pipeline of the system is a platform full vacuum collecting pipeline 4, which corresponds to 6 platforms, and is provided with 6 platform full vacuum collecting pipelines 4 in total. And each platform is provided with a corresponding platform suction connection pipe 7 and a corresponding platform connection line 8 corresponding to the position of the train after the train enters the station and stops.
The main pipeline of the system is a station full-vacuum collecting main pipeline 9 which is connected with an air inlet cleaning valve 10, an on-off valve 18 and an exhaust purification and silencing device 21.
The main pipeline of the system is connected with a central collecting station of a station, and a 1# steering valve 12, a 2# steering valve 13, a 3# steering valve 14, a garbage separator 15, a discharge valve 16 and a garbage collecting box 17 of a garbage classification collecting unit are arranged in the central collecting station.
And a fan unit 20 and supporting facilities of a power unit are arranged in the central collection station.
A machine room is arranged in the central collecting station, and a central control unit 22 is arranged in the machine room. The station sub-control units 5 are disposed at corresponding positions of each station. Various sensors (such as a 1# pressure controller 11 and a 2# pressure controller 19) are arranged at corresponding positions of the pipe network.
When the train is stopped, the full-vacuum collection pipeline 4 is in butt joint with the carriage suction pipe 2, and the signal is in butt joint with the control line. The station pipe network unit and the train carriage unit form a large-scale station platform garbage classification vacuum pipeline collection pipe network.
(II) the train garbage classification in the carriage puts the collection device of the vacuum pipeline 1 to make up
The device comprises a classification input port 1-1, an operation panel 1-2, a crushing mechanism 1-3, an air inlet 1-4, a temporary storage box 1-5, a front end discharge valve 1-6, an air inlet pipeline flushing valve 1-7, a sewage outlet 1-8 and an on-off valve 1-9. The on-off valves 1-9 are connected with a compartment suction pipe 2 in the compartment.
The train garbage classified throwing vacuum pipeline collecting device 1 of the embodiment is provided with four classified throwing openings 1-1 which are respectively used for throwing and collecting A, B, C, D types of different garbage. Wherein the first three A, B, C types of garbage need to be crushed and temporarily stored after being thrown. Therefore, the crushing mechanism 1-3 is arranged below the classification throwing port 1-1. The D-type garbage does not need to be crushed and is directly temporarily stored in the temporary storage boxes 1-5 after being thrown. The crushing mechanism 1-3 is not arranged below the feeding port of the D-type garbage. A. The B, C, D-type garbage only represents a certain type of garbage, and in practical application, the garbage of a certain type can be flexibly set to be crushed, and the garbage of a certain type does not need to be crushed. The sorted waste which does not need to be broken is generally small and light.
(III) embodiment train refuse collection mode
Collecting A-type garbage:
1. passengers on the train can put in the vacuum pipeline collecting device 1 according to the classification of the garbage on the train.
2. The garbage thrown into the throwing opening is immediately crushed and falls into the temporary storage box for temporary storage.
3. When the train enters the station and stops, each carriage suction pipe 2 is in butt joint connection with the platform full-vacuum collection pipeline 4 through a platform suction connecting pipe 7. The signal and control circuit 3 of each carriage is connected with the platform signal and control circuit 6 in a butt joint mode through a platform connection circuit 8.
4. The central control unit 22 performs suction control on each carriage through the platform sub-control unit 5 under centralized control.
5. The central control unit 22 starts the fan unit 20 to vacuumize the station full-vacuum collecting main pipeline 9, and the preset vacuum degree is realized through signal feedback of the pressure detectors 1 and 2.
6. The central control unit 22 controls the opening and closing of the steering valve 1, the steering valve 2, the steering valve 3, and the on-off valve 18.
7. The central control unit 22 controls a front end discharge valve of the train waste classification throwing vacuum pipeline collecting device 1 (or an operation panel of the train waste classification throwing vacuum pipeline collecting device 1 is operated by a specially-assigned person) to be opened. At the moment, the class A garbage in the carriage is sucked to a main collecting pipeline of a station.
8. The central control unit 22 controls the orderly combination of the steering valve 1, the steering valve 2, the steering valve 3 and the on-off valve 18, finally the A-type garbage is sucked to the separator 15 for gas-solid separation, the discharge valve 16 is opened, the A-type garbage falls into the collection box 17, and the collection of the A-type garbage is completed.
Similarly, class B, C, D waste is extracted from the cars of the train and collected in the same manner.
In this embodiment, the main full-vacuum collecting pipe 9 in the station can be controlled to be pumped by the central control unit 22 through the air inlet purge valve 10 in the closed state of all the front-end discharge valves, so that the air flow flushing function of the pipe can be realized.
Compared with the prior art, the garbage classification collection system comprises a plurality of train carriages, a full-vacuum collection pipeline, a garbage classification collection unit, a power unit and a control system, wherein the train carriages are connected with the garbage classification collection unit through the full-vacuum collection pipeline, the control system is respectively in communication connection with the train carriages and the power unit, the control system is used for controlling the power unit to be started, the power unit is used for performing vacuum suction after being started, and then the garbage stored in the train carriages is collected to the garbage classification collection unit, so that the problems of efficiency, sanitation, environment and operation cost of manual collection and platform manual transportation in the train carriages are solved; the garbage classification problem is solved on the train; the problem of crushing the garbage is solved on the train, and the transportation of small pipelines is facilitated; the problem of single pipeline carry out the transport and the collection of different types of categorised rubbish is solved.
Claims (7)
1. The train platform garbage collection system is characterized by comprising a plurality of train carriages, a full-vacuum collection pipeline, a garbage classification collection unit, a power unit and a control system, wherein the train carriages are connected with the garbage classification collection unit through the full-vacuum collection pipeline, and the control system is respectively in communication connection with the train carriages and the power unit;
the control system is used for controlling the power unit to start;
and the power unit is used for performing vacuum suction after starting, and further collecting the garbage stored in the train carriages to the garbage classification and collection unit.
2. The train platform garbage collection system of claim 1, wherein the train platform comprises a garbage collection device for each train platform, the garbage collection device is provided with a discharge valve at the lower end thereof, the garbage collection device is connected with the full vacuum collection pipeline through the discharge valve, the garbage collection device is in communication connection with the control system, and the garbage collection device is used for crushing the garbage thrown in the garbage collection device and storing the crushed garbage.
3. The train platform garbage collecting system according to claim 1, wherein the full vacuum collecting pipeline comprises a main station full vacuum collecting pipeline and a plurality of platform full vacuum collecting pipelines, the plurality of platform full vacuum collecting pipelines are respectively connected with the plurality of train carriages, one train carriage is connected with one platform full vacuum collecting pipeline, the plurality of platform full vacuum collecting pipelines are connected with one end of the main station full vacuum collecting pipeline, and the other end of the main station full vacuum collecting pipeline is connected with the garbage classification collecting unit.
4. The train platform garbage collection system of claim 2, wherein the garbage classification collection unit comprises a diverter valve, a garbage separator, a discharge valve, a garbage collection bin;
the steering valve is used for controlling the collection of the garbage in each platform full vacuum collecting pipeline in the plurality of platform full vacuum collecting pipelines;
the garbage separator is used for separating garbage from the airflow;
the discharge valve is used for respectively blocking the connection between the garbage separator and the garbage collecting devices in the train carriages;
the discharge valve is used for blocking the garbage separator and the garbage collection box so as to discharge the garbage in the garbage separator to the garbage collection box;
the garbage collection box is arranged at the lower part of the garbage separator and is used for collecting the garbage discharged by the garbage separator.
5. The train platform refuse collection system of claim 1, wherein the total vacuum collection pipe has a plurality of sensors disposed thereon for detecting characteristics of the air flow within the total vacuum collection pipe.
6. The train platform garbage collection system of claim 1, wherein the plurality of train carriages are respectively provided with a platform sub-control unit, and the platform sub-control units respectively provided in the plurality of train carriages are respectively in communication connection with the control system.
7. The train platform waste collection system of claim 1, wherein the power unit includes a plurality of fan devices for drawing air through the collection conduit that creates a greater vacuum than normal negative pressure vacuum in the conduit when not in transit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515613.0A CN112644535A (en) | 2020-12-18 | 2020-12-18 | Train platform garbage collection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011515613.0A CN112644535A (en) | 2020-12-18 | 2020-12-18 | Train platform garbage collection system |
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| CN112644535A true CN112644535A (en) | 2021-04-13 |
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| CN202011515613.0A Pending CN112644535A (en) | 2020-12-18 | 2020-12-18 | Train platform garbage collection system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491564U (en) * | 1990-12-27 | 1992-08-10 | ||
| JPH0595906U (en) * | 1992-05-29 | 1993-12-27 | 富士車輌株式会社 | Railway vehicle garbage collection device |
| CN101903261A (en) * | 2007-12-21 | 2010-12-01 | 马里凯普有限公司 | Method in pneumatic material conveying system and a pneumatic material conveying system |
| CN211564004U (en) * | 2019-11-08 | 2020-09-25 | 广州普慧环保科技股份有限公司 | Kitchen waste treatment system |
| CN111824779A (en) * | 2020-06-15 | 2020-10-27 | 广州普慧环保科技股份有限公司 | Medical waste full-vacuum pipeline collection system |
| CN214648280U (en) * | 2020-12-18 | 2021-11-09 | 广州仁居信息科技有限公司 | Train platform garbage collection system |
-
2020
- 2020-12-18 CN CN202011515613.0A patent/CN112644535A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491564U (en) * | 1990-12-27 | 1992-08-10 | ||
| JPH0595906U (en) * | 1992-05-29 | 1993-12-27 | 富士車輌株式会社 | Railway vehicle garbage collection device |
| CN101903261A (en) * | 2007-12-21 | 2010-12-01 | 马里凯普有限公司 | Method in pneumatic material conveying system and a pneumatic material conveying system |
| CN211564004U (en) * | 2019-11-08 | 2020-09-25 | 广州普慧环保科技股份有限公司 | Kitchen waste treatment system |
| CN111824779A (en) * | 2020-06-15 | 2020-10-27 | 广州普慧环保科技股份有限公司 | Medical waste full-vacuum pipeline collection system |
| CN214648280U (en) * | 2020-12-18 | 2021-11-09 | 广州仁居信息科技有限公司 | Train platform garbage collection system |
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