CN112357395B - Multifunctional feeding device of kitchen waste treatment equipment - Google Patents
Multifunctional feeding device of kitchen waste treatment equipment Download PDFInfo
- Publication number
- CN112357395B CN112357395B CN202011290933.0A CN202011290933A CN112357395B CN 112357395 B CN112357395 B CN 112357395B CN 202011290933 A CN202011290933 A CN 202011290933A CN 112357395 B CN112357395 B CN 112357395B
- Authority
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- China
- Prior art keywords
- water inlet
- compressed air
- kitchen garbage
- bin
- sealing plate
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 57
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 30
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000006065 biodegradation reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/10—Refuse receptacles; Accessories therefor with refuse filling means, e.g. air-locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
Abstract
The invention discloses a multifunctional feeding device of kitchen waste treatment equipment, which mainly comprises a front sealing plate, a rear sealing plate, a right sealing plate, a left sealing plate, a cover plate, a baffle plate, a telescopic spraying device, a water inlet pipe and a compressed air inlet pipe, wherein the telescopic spraying device comprises a telescopic spraying device bracket, an electric linear push rod mechanism and a spraying ball, the end part of the electric linear push rod is connected with the spraying ball through a threaded interface, the surface of the spraying ball is provided with a spraying small hole, the spraying ball is connected with the water inlet pipe through the threaded interface and is connected with the compressed air inlet pipe through a quick connector, the water inlet pipe comprises a water inlet hard pipe, a water inlet hose, a water inlet pipe bracket, the compressed air inlet pipe comprises a compressed air hard pipe, a compressed air hose and a compressed air pipe bracket. The multifunctional feeding device of the kitchen garbage equipment is closed, so that the waste gas is prevented from being discharged in an unorganized mode, the telescopic spraying device can clean the kitchen garbage bin in time and supplement fresh air and water in time, and the oxygen content and the humidity of the feeding bin are controlled.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment equipment, in particular to a multifunctional feeding device of the kitchen waste treatment equipment.
Background
In order to respond to the national energy-saving and environment-friendly requirements, garbage classification has been tried in many cities in China, kitchen garbage occupies a great proportion in daily life of people, and disposal of kitchen garbage is also becoming a current research popularity.
At present, domestic kitchen garbage treatment facility's feeding mode is open, pours kitchen garbage into the feeding bin through the lifting machine, and kitchen garbage facility is at the promotion in-process, and the lid of feeding bin can be along with opening, and the peculiar smell that kitchen garbage anaerobic fermentation produced can discharge in the air thereupon, causes air pollution, also can cause harm to operating personnel's healthy simultaneously, in addition, kitchen garbage can also have part to remain in the bucket at dumping kitchen garbage in-process, and this can also recall mosquito, fly to influence the sanitation around the equipment. Many researchers have been working on solving the off-flavors of kitchen waste equipment, such as: CN 111622313a reports a kitchen waste processor capable of cleaning a cavity, a kitchen waste processing method and a cleaning method of the kitchen waste processor, which realize that the kitchen waste processor has a function of cleaning the cavity and can avoid food particle residues.
In addition, kitchen garbage treatment facility eliminates kitchen garbage, mainly through the biodegradation mode, this just needs to control humidity and oxygen content in the feeding bin, adopts the draught fan to supply fresh air generally, and internally mounted shower sprays water, and this can lead to inside shower pipeline maintenance very troublesome, draught fan local suction, causes easily to add the interior passenger gas circulation of feeding bin unsmooth, and oxygen distribution is inhomogeneous, leads to the biodegradation effect to worsen.
Therefore, the technology of removing peculiar smell during feeding of kitchen waste treatment equipment, cleaning a kitchen waste bin, seeking reliable feeding bin to control humidity and oxygen content has become a technical research hot spot in the field of kitchen waste treatment equipment.
Disclosure of Invention
The invention aims at: aiming at the defects of the prior art, the multifunctional feeding device of the kitchen waste treatment equipment is provided, so that kitchen waste can be fed under a closed condition, no peculiar smell is emitted, the cleaning device of the kitchen waste can is increased, and meanwhile, the humidity and the oxygen content in a feeding bin of the kitchen waste equipment can be adjusted.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a feeding device of kitchen waste treatment equipment, comprising: front seal board, back shrouding, side seal board, apron, baffle, flexible spray set, inlet tube, advance compressed air pipe, wherein, flexible spray set includes flexible spray set support, electronic sharp push rod mechanism, sprays the ball, electronic sharp push rod tip passes through threaded connection with spraying the ball, it has the spraying aperture to spray the ball surface, spray the ball and pass through threaded connection inlet tube, advance compressed air pipe through quick-operation joint connection, the inlet tube includes the hard tube that intakes, the hose that intakes, the inlet tube support, advance compressed air pipe and include compressed air hard tube, compressed air hose, compressed air pipe support.
As a further illustration of this, it is possible,
the multifunctional feeding device of the kitchen waste treatment equipment is controlled by a PLC program and comprises a lifting machine, kitchen waste dumping, cover plate opening and closing, telescopic spraying device operation, water inlet, air inlet automatic operation, linkage control of oxygen content in a feeding bin and a compressed air inlet valve and linkage control of humidity in the feeding bin and a water inlet valve.
The multifunctional feeding device of the kitchen waste treatment equipment comprises a front sealing plate, a rear sealing plate, a left sealing plate, a right sealing plate, a cover plate and a baffle, wherein the front sealing plate, the rear sealing plate, the left sealing plate, the right sealing plate, the cover plate and the baffle are all connected through welding, the cover plate can be manually and automatically opened and closed, and the baffle ensures that kitchen waste is not contacted with the shrinkage state spraying device in the dumping process.
The cover plate is provided with an inductor, when the kitchen garbage bin is lifted to a limiting position by the lifting machine, the inductor senses the kitchen garbage bin, the cover plate is automatically opened under the control of a PLC program, the lifting machine continuously dumps the kitchen garbage bin, and the inclination angle between the center line of the kitchen garbage bin and the ground is about 40 o And pouring the kitchen waste into a feeding bin.
The telescopic spraying device is controlled automatically to 40 degrees after kitchen garbage is dumped o The inclination angle extends to the middle part of the kitchen garbage can, after reaching a limiting position, water inflow is started, cleaning time is set, water forms mist spraying through a spraying ball, the inside of the kitchen garbage can is cleaned, sewage flows into a feeding bin as water for biodegradation of the kitchen garbage, water inflow is stopped after cleaning, compressed air is started to purge the kitchen garbage can, residual waste water in the kitchen garbage can is blown into the feeding bin, and after the kitchen garbage can is clean, the cover plate is removed through a lifting machine.
The surface of the telescopic spray ball is provided with a plurality of spray small holes, the aperture is 4mm-8mm, the water spray can form mist jet flow, and the inner surface of the kitchen garbage can is cleaned.
The water inlet hose and the compressed air inlet hose move along with the telescopic spraying device, the water inlet pressure is 0.6MPa-0.8MPa, and the pressure of the compressed air inlet is 0.5MPa-0.7MPa.
The invention has the beneficial effects that: the multifunctional feeding device of the kitchen garbage equipment is closed, the unorganized emission of waste gas is prevented, the telescopic spraying device can clean the kitchen garbage can in time and supplement fresh air and water in time, and the oxygen content and the humidity of the feeding bin are controlled.
Drawings
Fig. 1 is a schematic diagram of a multifunctional feeding device of kitchen waste treatment equipment.
Fig. 2 is a top view of the multifunctional feeding device of the kitchen waste treatment equipment.
Fig. 3 is a partial construction view of the telescopic shower apparatus.
In the figure: 1. kitchen garbage bin; 2. a telescopic spraying device in an extended state; 3. a telescopic spraying device in a contracted state; 4. a water inlet hose; 5. a front sealing plate; 6. a feeding bin; 7. a bracket of an electric linear push rod mechanism; 8. a water inlet hard pipe bracket; 9. a water inlet hard pipe; 10. an electric linear push rod mechanism; 11. a compressed air hard pipe is filled; 12. a compressed air inlet hard pipe bracket; 13. a rear sealing plate; 14. a compressed air inlet hose; 15. a cover plate; 16. a baffle; 17. a right side sealing plate; 18. an inductor; 19. a left side sealing plate; 20. a hinge; 21. a water inlet hard pipe valve; 22. a compressed air inlet hard pipe valve; 23. spraying balls; 24. a small hole; 25. a threaded interface for connecting the water inlet hose and the spray ball; 26. a gear of the electric linear push rod mechanism; 27. a motor of the electric linear push rod mechanism; 28. an electric linear push rod; 29. a threaded interface for connecting the electric linear push rod and the spray ball; 30. and the joint of the compressed air inlet hose and the spray ball is quickly connected.
Description of the embodiments
In order to make the technical problems, technical solutions and advantages to be solved more clear, the technical solutions of the present application are described in more detail and completely below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a multifunctional feeding device of kitchen waste treatment equipment includes: the spraying device 2 in an extending state, the spraying device 3 in a contracting state, a water inlet hose 4, a front sealing plate 5, a charging bin 6, a bracket 7 of an electric linear push rod mechanism, a water inlet hard pipe bracket 8, a water inlet hard pipe 9, an electric linear push rod mechanism 10, a compressed air inlet hard pipe 11, a compressed air inlet hard pipe bracket 12, a rear sealing plate 13, a compressed air inlet hose 14, a cover plate 15, a baffle 16, a right sealing plate 17, an inductor 18, a left sealing plate 19, a hinge 20, a water inlet hard pipe valve 21 and a compressed air inlet hard pipe valve 22. The front sealing plate 5, the rear sealing plate 13, the right sealing plate 17, the left sealing plate 19 and the feeding bin of the feeding device are connected through welding, the cover plate 14 is connected with the rear sealing plate 13 through the hinge 20, the cover plate 15 can be automatically or manually opened and closed, the baffle 16 is arranged below the cover plate 15, the expansion spraying device 2 and the contraction spraying device 3 are controlled through the electric linear push rod mechanism 10, the electric linear push rod mechanism 10 of the expansion spraying device is fixed on the feeding bin 6 through the bracket 7 of the electric linear push rod mechanism, the water inlet hard pipe 9 is fixed on the feeding bin 6 through the water inlet hard pipe bracket 8, and the water inlet hard pipe 11 is fixed on the feeding bin 6 through the water inlet hard pipe bracket 12.
As shown in fig. 3, the telescopic shower apparatus is partially constructed, including: the spray ball 23, the small hole 24 and the water inlet hose 4 are connected with the spray ball 23 through a threaded joint 25 for connecting the water inlet hose and the spray ball, the electric linear push rod mechanism 10 comprises a gear 26 of the electric linear push rod mechanism, a motor 27 of the electric linear push rod mechanism, an electric linear push rod 28, a threaded joint 29 for connecting the electric linear push rod and the spray ball, and the compressed air inlet hose 14 is connected with the spray ball 23 through a joint 30 for quickly connecting the compressed air inlet hose and the spray ball.
Working principle: firstly, after the kitchen garbage bin 1 is lifted to a limiting position through a lifting machine, the inductor 18 senses the kitchen garbage bin 1, the hinge 20 is opened under the control of a PLC program, the cover plate 15 is automatically opened, the lifting machine continuously dumps the kitchen garbage bin 1, one surface of the kitchen garbage bin 1 is tightly contacted with the front sealing plate 5, the other surface is tightly contacted with the cover plate 15, the side surface of the kitchen garbage bin 1 is respectively tightly contacted with the right sealing plate 17 and the left sealing plate 19, so that a closed feeding environment is formed, peculiar smell emission is effectively prevented, and the inclination angle between the central line of the kitchen garbage bin and the ground is about 40 o Kitchen waste falls into the feeding bin 6 outside the baffle 16, and after the kitchen waste is dumped, the kitchen waste is automatically controlled by a PLC program, and the telescopic spraying devices (2 and 3) are controlled by 40 o The inclination angle extends to the middle part of the kitchen garbage can to form an extension-state extension spraying device 2, after reaching a limiting position, the PLC program controls to start water inflow,the water pressure is set to be 0.6MPa, the cleaning time is set to be 1 minute, water sequentially flows through the water inlet hard pipe 9 and the water inlet hose 4, reaches the spray ball 23, flows out through the small holes 24, has the aperture of 6mm, forms mist spray, cleans the inside of the kitchen waste bin 1, sewage flows into the feeding bin 6 to serve as water for biodegradation of kitchen waste, water inlet is stopped after cleaning is finished, the PLC program control is performed, compressed air is started, the air pressure is set to be 0.5MPa, the purging time is controlled to be 1 minute, the water sequentially flows through the water inlet hard pipe 11 and the water inlet compressed air hose 14, reaches the spray ball 23, flows out through the small holes 24, cleans the kitchen waste bin 1, blows residual waste water in the kitchen waste bin 1 into the feeding bin 6, and after cleaning, closes the water inlet hard pipe valve 22 to stop air inlet. The elevator removes the kitchen garbage bin 1, and the PLC program control closes apron 15.
When kitchen garbage treatment equipment normally operates, signals are transmitted to a PLC program through a humidity sensor, intermittent control is carried out to control the opening and closing of the water inlet hard pipe valve 21, water flows out in time through small holes 24 in the spray ball 23 to form uniform mist jet flow, the mist jet flow is supplemented into the feeding bin 6, the water is measured through an oxygen content meter, the opening and closing of the water inlet compressed air hard pipe valve 22 is controlled through the PLC program in time, and air inlet flows out in time through the spray ball 23 and is uniformly distributed into the feeding bin 6.
When kitchen garbage treatment equipment is blocked by water inlet and air inlet, the cover plate 15 is opened, the water inlet hard pipe valve 21 and the compressed air inlet hard pipe valve 22 are closed, the water inlet hose 4, the compressed air inlet hose 14 and the spray header 23 are quickly maintained, and the kitchen garbage treatment equipment is recovered to be used after being repaired.
Effect evaluation:
the kitchen waste feeding is directly fed through a conventional open type feeding bin, in the process, organic waste gas in the feeding bin volatilizes into the air, obvious peculiar smell exists, and the multifunctional feeding device of the kitchen waste treatment equipment is adopted, in the feeding process, basically, the feeding is performed in a closed space, and no obvious peculiar smell is generated.
2. After the kitchen garbage bin cleaning effect is achieved by detecting that the kitchen garbage is poured in the kitchen garbage bin, 1L of tap water is respectively added into the waste water in the kitchen garbage bin which is not sprayed and the kitchen garbage bin which is cleaned by spraying, the COD values of the waste water are respectively detected, the COD value of the waste water which is not sprayed is 3000-6000mg/L, and the COD value of the waste water which is sprayed is 25-40mg/L.
Claims (5)
1. The multifunctional feeding device of kitchen garbage treatment equipment comprises telescopic spraying devices (2 and 3), a water inlet hose (4), a front sealing plate (5), a feeding bin (6), a bracket (7) of an electric linear push rod mechanism, a water inlet hard pipe bracket (8), a water inlet hard pipe (9), an electric linear push rod mechanism (10), a water inlet compressed air hard pipe (11), a water inlet compressed air hard pipe bracket (12), a rear sealing plate (13), a water inlet compressed air hose (14), a cover plate (15), a baffle plate (16), a right sealing plate (17), an inductor (18), a left sealing plate (19), a hinge (20), a water inlet hard pipe valve (21) and a water inlet compressed air hard pipe valve (22); the multifunctional feeding device of the kitchen waste treatment equipment comprises a front sealing plate (5), a rear sealing plate (13) and a right sealing plate (17), a left sealing plate (19) and a feeding bin (6) which are connected through welding, a cover plate (15) is connected with the rear sealing plate (13) through a hinge (20), the cover plate (15) can be automatically or manually opened and closed, a baffle (16) is arranged below the cover plate (15), an inductor (18) is arranged above the cover plate (15), the expansion state and the contraction state of the telescopic spraying devices (2 and 3) are controlled through an electric linear push rod mechanism (10), the electric linear push rod mechanism (10) is fixed on the feeding bin (6) through a bracket (7) of the electric linear push rod mechanism, a water inlet hard pipe (9) is fixed on the feeding bin (6) through a water inlet hard pipe bracket (8), and a compressed air inlet hard pipe (11) is fixed on the feeding bin (6) through a compressed air hard pipe bracket (12); the local structure of the telescopic spraying device (2, 3) comprises a spraying ball (23), a small hole (24) and a threaded interface (25) for connecting a water inlet hose and the spraying ball; the electric linear push rod mechanism (10) comprises a gear (26) of the electric linear push rod mechanism, a motor (27) of the electric linear push rod mechanism, an electric linear push rod (28), a threaded interface (29) for connecting the electric linear push rod with a spray ball and a joint (30) for quickly connecting a compressed air hose with the spray ball; the multifunctional feeding device of the kitchen waste treatment equipment is automatically controlled through a PLC program and comprises operation of a lifting machine, dumping of kitchen waste, opening and closing of a cover plate (15), operation of telescopic spraying devices (2 and 3), water inlet, compressed air inlet, linkage control of oxygen content in a feeding bin (6) and a compressed air inlet hard pipe valve (22) and linkage control of humidity in the feeding bin (6) and a water inlet hard pipe valve (21).
2. The multifunctional feeding device of kitchen waste treatment equipment according to claim 1, wherein: the cover plate (15) is provided with an inductor (18), when the kitchen garbage can (1) is lifted to a limiting position through the lifter, the inductor (18) senses the kitchen garbage can (1), the cover plate (15) is automatically opened under the control of a PLC program, the lifter continuously dumps the kitchen garbage can (1), and the inclination angle between the central line of the kitchen garbage can (1) and the ground is 40 o The kitchen waste is poured into a feeding bin (6).
3. The multifunctional feeding device of kitchen waste treatment equipment according to claim 1, wherein: after kitchen garbage is poured, the telescopic spraying devices (2, 3) are controlled by a PLC program, and the telescopic spraying devices (2, 3) are controlled by 40 o The dip angle stretches to kitchen garbage bin (1) middle part, after reaching the limit position, open hard tube valve (21) of intaking, set for the cleaning time, water forms vaporific spraying through aperture (24) in spray ball (23), wash kitchen garbage bin (1) inside, sewage inflow adds feed bin (6), as kitchen garbage biodegradable's moisturizing, stop intaking after wasing, open compressed air hard tube valve (22), sweep kitchen garbage bin (1), blow into kitchen garbage bin (1) interior residual waste water and add feed bin (6), behind kitchen garbage bin (1) are clean, remove through the lifting machine, close apron (15).
4. The multifunctional feeding device of kitchen waste treatment equipment according to claim 1, wherein: the aperture size of the small holes (24) of the spray ball (23) is 4mm-8mm, so that the water spray can form mist jet flow, and the inner surface of the kitchen garbage can (1) is cleaned.
5. The multifunctional feeding device of kitchen waste treatment equipment according to claim 1, wherein: the water inlet hose (4) and the compressed air inlet hose (14) move along with the telescopic spraying devices (2 and 3), the water inlet pressure is 0.6MPa-0.8MPa, and the pressure of the compressed air inlet is 0.5MPa-0.7MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290933.0A CN112357395B (en) | 2020-11-17 | 2020-11-17 | Multifunctional feeding device of kitchen waste treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290933.0A CN112357395B (en) | 2020-11-17 | 2020-11-17 | Multifunctional feeding device of kitchen waste treatment equipment |
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| Publication Number | Publication Date |
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| CN112357395A CN112357395A (en) | 2021-02-12 |
| CN112357395B true CN112357395B (en) | 2024-04-09 |
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| CN202011290933.0A Active CN112357395B (en) | 2020-11-17 | 2020-11-17 | Multifunctional feeding device of kitchen waste treatment equipment |
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| GB2329576A (en) * | 1998-03-05 | 1999-03-31 | Harold Shaw | Method and apparatus for cleaning a plurality of refuse bins |
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| CN109834110A (en) * | 2019-04-08 | 2019-06-04 | 四川汇达通机械设备制造有限公司 | A kind of restaurant garbage treating system and processing method |
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| CN110711757A (en) * | 2019-08-29 | 2020-01-21 | 百沃星联(上海)环保科技有限公司 | Wet garbage comprehensive management service system |
| CN111167843A (en) * | 2020-03-04 | 2020-05-19 | 深圳市君颂自动化科技有限公司 | Garbage recycling device and method |
| CN111515226A (en) * | 2020-06-08 | 2020-08-11 | 深圳市中海机械有限公司 | Automatic quick sorting machine for kitchen waste |
| CN211413072U (en) * | 2019-10-22 | 2020-09-04 | 佛山市南海天富科技有限公司 | Charging basket belt cleaning device and charging basket belt cleaning drying device |
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2020
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|---|---|---|---|---|
| GB2329576A (en) * | 1998-03-05 | 1999-03-31 | Harold Shaw | Method and apparatus for cleaning a plurality of refuse bins |
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| Publication number | Publication date |
|---|---|
| CN112357395A (en) | 2021-02-12 |
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