CN112875987A

CN112875987A - Kitchen garbage treatment device

Info

Publication number: CN112875987A
Application number: CN202110048121.3A
Authority: CN
Inventors: 谢勇; 肖发宁; 叶山
Original assignee: Chongqing Lele Environmental Protection Technology Co ltd
Current assignee: Chongqing Lele Environmental Protection Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-06-01
Anticipated expiration: 2041-01-14
Also published as: CN112875987B

Abstract

The invention relates to the field of kitchen waste, in particular to a kitchen waste treatment device, which comprises a mixed medicament part, a water filter part and a filter paper filtering part; the medicine mixing part comprises a first electric pump, a second electric pump, a plurality of mixing tanks, a plurality of medicine tanks and a plurality of quantitative pumps; the water filter part comprises an MBR filter sheet, a filtered water inlet, a purified water outlet and an aeration pipe; the filter paper filtering part comprises a filter box, a filtering side box, a feeding mechanism, a third electric pump, a control box, a filter paper roller and a paper pressing mechanism; the inside two closed chains, the driving chain wheel group, the driven chain wheel group, the first steering chain wheel group, the second steering chain wheel group, the filtering sieve plate and the filtering driving motor are further included in the filtering box. The invention purifies the kitchen garbage after oil-water separation, the water generated after purification can be recycled, and the solid filter residue filtered after purification can be used as plant nutrient soil for plant composting.

Description

Kitchen garbage treatment device

Technical Field

The invention relates to the field of kitchen waste, in particular to a kitchen waste treatment device.

Background

The kitchen waste refers to waste generated in daily life and food processing, food service, unit catering and other activities of residents, and comprises abandoned vegetable leaves, leftovers, fruit peels, egg shells, tea leaves, bones and the like, and the main sources of the kitchen waste are household kitchens, restaurants, dining halls, markets and other industries related to food processing.

The kitchen waste is easy to decay and generate stink because of containing extremely high moisture and organic matters. But after proper treatment and processing, the waste can be converted into new resources, the characteristic of high organic matter content enables the waste to be used as fertilizer and feed after strict treatment, methane can also be generated to be used as fuel or power generation, and the grease part can be used for preparing biofuel, so the recycling treatment of kitchen waste is more and more important.

Along with the continuous progress of society, people pay more and more attention to environmental protection, and the emission requirement on kitchen waste is also higher and more, and in current kitchen waste treatment, to the kitchen waste that has handled through oil water separator, can't reduce the BOD/COD who discharges kitchen waste, so make it obtain better waste utilization through handling, be the problem that needs urgent solution now.

Disclosure of Invention

The invention aims to provide a kitchen waste treatment device, which solves the problems that kitchen waste with higher BOD/COD cannot be directly discharged and kitchen waste cannot be utilized.

The kitchen waste mentioned in the application mainly refers to kitchen waste water treated by an oil-water separation device.

In order to solve the technical problems, the invention adopts the technical means of the kitchen garbage treatment device as follows: the device comprises a mixed medicament part, a water filter part and a filter paper filtering part, wherein the mixed medicament part, the water filter part and the filter paper filtering part are respectively independent and are connected through a plurality of pipelines; the mixed medicament part comprises a first electric pump and a second electric pump, the mixed medicament part is divided into an upper chamber and a lower chamber by a partition plate, the upper chamber is provided with a first mixing box and a second mixing box, the lower chamber is provided with a third mixing box and a fourth mixing box, the first mixing box, the second mixing box, the third mixing box and the fourth mixing box are all provided with a feeding port and a discharging port, the first mixing box, the second mixing box, the third mixing box and the fourth mixing box are respectively provided with a first medicament box, a second medicament box, a third medicament box and a fourth medicament box outside, and the first medicament box, the second medicament box, the third medicament box and the fourth medicament box are respectively provided with a first quantitative pump, a second quantitative pump, a third quantitative pump and a fourth quantitative pump; the water filter part comprises an MBR filter sheet, a filtered water inlet, a purified water outlet and an aeration pipe, wherein the aeration pipe is provided with a plurality of branch pipes, and the branch pipes are provided with a plurality of upward holes; a plurality of MBR filter sheets distributed in an array are arranged above the aeration pipe, and the MBR filter sheets positioned at the two ends are communicated with purified water outlets; the water filter part is arranged in the sealed cavity of the shell, and the filtered water inlet and the purified water outlet extend out of the shell; the aeration pipe is connected with an air pump, and the air pump is positioned on the filter box; the filter paper filtering part comprises a filter box, a filtering side box, a feeding mechanism, a third electric pump, a control box, a filter paper roller and a paper pressing mechanism, wherein the side wall of the filter box is provided with the communicated filtering side box, the feeding mechanism is fixedly connected to the filtering side box, the filtering side box is also provided with a filtrate inlet and a filtrate outlet, and the filtrate outlet is connected with the third electric pump; the filter box is also provided with a filter paper inlet and a filter paper outlet, a filter paper roller is arranged above the filter paper inlet, and a paper pressing mechanism is arranged beside the filter paper roller.

The kitchen waste treatment device adopting the technical scheme has the following technical advantages:

the working principle is as follows: 1. firstly, sewage is pumped into a first mixing box by a first electric pump, and liquid medicine (PAC) is added into the first quantitative pump for mixing treatment while the sewage is pumped; 2. after the sewage in the first mixing tank is treated, the electromagnetic water valve is opened to enable the sewage to enter a third mixing tank under the action of gravity, and a third quantitative pump is used for adding a liquid medicine (PAM) while the sewage is pumped; 3. after the third mixing tank treats sewage, pumping the sewage into the filter tank through a second electric pump, and simultaneously adding diatom ooze into the filter tank by the feeding mechanism for treatment; 4. after the filter tank treats sewage, pumping the sewage into a water filter by a third electric pump, enabling the sewage in the water filter to flow into a second mixing tank for treatment, and adding liquid medicine (COD) by a second quantitative pump; 5. after the second mixing tank is treated, the electromagnetic water valve is opened to enable the sewage to enter a fourth mixing tank under the action of gravity, and meanwhile, a fourth quantitative pump is used for adding liquid medicine (NH); 6. and after the fourth mixing tank treats the sewage, finally, the fourth electric pump pumps the treated sewage into the water storage tank, so that the whole sewage treatment process is completed.

When sewage enters the filter tank, the liquid to be filtered flows in from the filter liquid inlet, then flows into the filter tank, and then flows out through the filter sieve plate at the bottom of the filter tank and the filtered water outlet in sequence; the filter paper is drawn into the filter box under the driving of the extrusion friction between the chain and the filter sieve plate, the filter paper is pressed and paved on the filter sieve plate by the chain, and the filter paper is driven by the chain to be drawn under the driving of the rolling friction force and finally led out through the filter paper outlet; an upper liquid level detector and a lower liquid level detector are arranged in the filter tank, when the second electric pump pumps sewage into the filter tank, the liquid level of the filter tank rises to trigger the liquid level detectors positioned at the lower side, the filter driving motor rotates to drive the driving chain wheel to rotate, the driving chain wheel drives the chain to rotate and simultaneously drives the driven chain wheel, the first steering chain wheel and the second steering chain wheel to rotate, the chain at the bottom of the filter box rubs and pulls the filter paper to move, when the sewage in the filter tank reaches a certain liquid level and triggers the liquid level detector positioned above, the liquid level detector controls the driving motor to stop rotating, meanwhile, the second electric pump stops feeding sewage into the filter tank, the third electric pump pumps the sewage in the filter tank into the second mixing tank from a filtered water outlet at the bottom of the filter tank, thereby controlling the replacement of the filter paper and the inlet and outlet of the sewage of the filter tank through the upper liquid level detector and the lower liquid level detector; when sewage is filtered in the filter box each time, the sewage is filtered by new filter paper, so that the stable filtering effect is maintained.

Preferably, a paper pressing mechanism is arranged beside the filter paper roller, so that the filter paper roller can be prevented from excessively drawing out due to inertia, and the drawn-out filter paper is excessively loosened when entering the lower part of the chain, which is very unfavorable for subsequent paving filtration.

Preferably, in order to better supply the materials in a fixed quantity, a feeding mechanism for feeding is arranged; a stirring motor is arranged on the side wall of the hopper, so that feeding materials can be uniformly mixed while feeding materials; the cover plate connected by the hinge is arranged on the hopper, so that dust and sundries can be prevented from entering the hopper.

Preferably, a lifting hook is arranged on the bracket for lifting and moving the whole device; in order to facilitate the disassembly and the assembly, a U-shaped handle is arranged on the shell.

Preferably, in order to facilitate the connection of the mixed medicament partial pipelines, three-way connectors are arranged at the feeding holes of the first mixing box, the second mixing box, the third mixing box and the fourth mixing box.

Preferably, a paper receiving box is arranged below the filter paper outlet, so that the filter paper after being used is collected and filtered conveniently.

Preferably, in order to make the filter paper under the lifting chain flat and compact, a plurality of pressing plates are arranged between the two closed chains, and the pressing plates are vertically fixed on the side surfaces of the chains.

Drawings

FIG. 1 is a schematic overall view of the present invention;

FIG. 2 is a schematic overall view of another aspect of the present invention;

FIG. 3 is a schematic overall view of the present invention with the housing removed;

FIG. 4 is a schematic overall view of the present invention in another orientation with the housing removed;

FIG. 5 is a schematic view of the outer shape of the mixed medicament portion of the present invention;

FIG. 6 is a schematic view of the other direction of the mixed medicament portion of the present invention;

FIG. 7 is a right side view of the mixed medicament portion of the present invention;

FIG. 8 is a schematic external view of a water filter portion according to the present invention;

FIG. 9 is a front view of a portion of a water filter according to the present invention;

FIG. 10 is a sectional view A-A of a portion of a front view of a water filter according to the present invention;

FIG. 11 is a schematic view of the outer shape of the filter portion of the filter paper according to the present invention;

FIG. 12 is a partial enlarged view B of the outline of the filter paper filtering portion in the present invention;

FIG. 13 is a front view of the filter portion of the filter paper of the present invention;

FIG. 14 is a right side view of the filter portion of the filter paper of the present invention;

FIG. 15 is a top view of the filter portion of the filter paper of the present invention.

FIG. 16 is a schematic view showing the inside of a filter box in the filter paper filtering part of the present invention;

FIG. 17 is an enlarged partial view A of the inside of the filtration tank of the present invention;

FIG. 18 is a rear view of the filter portion of the filter paper of the present invention.

The main reference symbols in the drawings are as follows:

1. a mixed medicament portion; 11. a first electric pump; 12. a second electric pump;

131. a first mixing tank; 132. a first kit; 133. a first fixed displacement pump;

141. a second mixing tank; 142. a second kit; 143. a second fixed displacement pump;

151. a third mixing tank; 152. a third kit; 153. a third fixed displacement pump;

161. a fourth mixing tank; 162. a fourth kit; 163. a fourth fixed displacement pump;

2. a water filter section; 21. an MBR filter sheet; 22. a filtered water inlet; 23. a purified water outlet; 24. an aeration pipe;

3. a filter paper filtering part; 30. a filter box; 31. a filtrate inlet; 32. a filtered water outlet; 33. a third electric pump; 34. a control box; 35. a filter paper drum; 36. a paper receiving box; 37. a paper pressing mechanism; 38. a feed structure;

30. a filter box; 301. filtering the side box; 302. a liquid level detection device; 303. filtering the sieve plate; 304. a filter driving motor; 305. a filter paper inlet; 306. a filter paper outlet;

3071. a chain; 3072. pressing a plate; 3073. a drive sprocket set; 3074. a driven sprocket set; 3075. a first steering sprocket set; 3076. a second steering sprocket set;

37. a paper pressing mechanism; 371. pressing a paper roller; 372. a platen holder; 373. a fixed seat;

38. a feed structure; 381. a hopper; 382. a stirring motor; 383. a feeding motor; 384. and (4) feeding a pipe.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the kitchen waste treatment apparatus includes a chemical mixture part 1, a water filter part 2, and a filter paper filter part 3, and the chemical mixture part 1, the water filter part 2, and the filter paper filter part 3 are independent from each other and connected to each other through pipes.

As shown in fig. 3 and 4, the mixed chemical part 1, the water filter part 2, and the filter paper filter part 3 are fixed by a holder which forms a frame body and is provided with a housing outside the frame body; the frame body is provided with a lifting hook, and the shell is provided with a U-shaped handle.

As shown in fig. 5, 6 and 7, the mixed chemical part 1 includes a first electric pump 11 and a second electric pump 11, the mixed chemical part 1 is divided into an upper chamber and a lower chamber by a partition, the upper chamber is provided with a first mixing box 131 and a second mixing box 141, the lower chamber is provided with a third mixing box 151 and a fourth mixing box 161, the first mixing box 131, the second mixing box 141, the third mixing box 151 and the fourth mixing box 161 are externally provided with a first chemical box 132, a second chemical box 142, a third chemical box 152 and a fourth chemical box 162 respectively, the first chemical box 132, the second chemical box 142, the third chemical box 152 and the fourth chemical box 162 are provided with a first quantitative pump 133, a second quantitative pump 143, a third quantitative pump 153 and a fourth quantitative pump 163 respectively, and the first mixing box 131, the second mixing box 141, the third mixing box 151 and the fourth mixing box 161 are provided with a feeding port and a discharging port respectively; the feed inlets of the first mixing box 131, the second mixing box 141, the third mixing box 151 and the fourth mixing box 161 are provided with three-way connectors. The first drug tank 132, the third drug tank 152, the second drug tank 142 and the fourth drug tank 162 are sequentially connected through a pipeline, one end of each of the first constant delivery pump 133, the third constant delivery pump 153, the second constant delivery pump 143 and the fourth constant delivery pump 163 is connected to a tee joint at the feed inlet of each of the first mixing tank 131, the third mixing tank 151, the second mixing tank 141 and the fourth mixing tank 161, the other end of each of the first constant delivery pump 133, the third constant delivery pump 153, the second constant delivery pump 143 and the fourth constant delivery pump 163 is connected to the first drug tank 132, the third drug tank 152, the second drug tank 142 and the fourth drug tank 162, and the first drug tank 132, the second drug tank 142, the third drug tank 152 and the fourth drug tank 162 are respectively filled with a drug (PAC), a drug (PAM), a drug (COD) and a drug (NH).

The agents herein specifically correspond to: PAC: the flocculating agent is named Polyaluminium Chloride, and is named Polyaluminium Chloride in Chinese as a water purifying agent. PAM: the nonionic polymeric flocculant is called Polyacrylamide in Chinese name, and is commonly used in China at present. COD: a COD reducing agent. NH: an ammonia nitrogen remover.

As shown in fig. 8, 9 and 10, the water filter part comprises an MBR filter, a filtered water inlet, a purified water outlet and an aeration pipe, wherein the aeration pipe is provided with a plurality of branch pipes, and the branch pipes are provided with a plurality of upward openings; a plurality of MBR filter sheets distributed in an array are arranged above the aeration pipe, and the MBR filter sheets positioned at the two ends are communicated with purified water outlets; the water filter part is arranged in the sealed cavity of the shell, and the filtered water inlet and the purified water outlet extend out of the shell; the aeration pipe is connected with an air pump, and the air pump is installed on the filter tank.

As shown in fig. 11, 13, 14 and 15, the filter paper filtering part 3 comprises a filter box 30, a filter side box 301, a feeding mechanism 38, a third electric pump 33, a control box 34, a filter paper roller 35 and a paper pressing mechanism 37, wherein the filter side box 301 is communicated with the filter box side wall 30, the feeding mechanism 38 is fixedly connected to the filter side box 301, a filtrate inlet 31 and a filtrate outlet 32 are also arranged on the filter side box 301, and the filtrate outlet 32 is connected with the third electric pump 33; the filter box 30 is also provided with a filter paper inlet 305 and a filter paper outlet 306, a paper receiving box 36 is arranged below the filter paper outlet 306, a filter paper roller 35 is arranged above the filter paper inlet 306, a paper pressing mechanism 37 is arranged beside the filter paper roller 35, and two liquid level detectors are arranged inside the filter box 30; a water storage tank is arranged below the filter tank 30, and a fourth electric pump is arranged on the water storage tank.

As shown in fig. 12, the feeding mechanism 38 includes a hopper 381, a feeding motor 383 and a feeding pipe 384, the feeding pipe 384 is connected below the hopper 381, the feeding pipe 384 is communicated with the hopper 381, one end of the feeding pipe 384 is fixedly connected to the filter side box 301, the other end of the feeding pipe 384 is fixedly provided with the feeding motor 383, the axis of the feeding motor 383 is overlapped with the axis of the feeding pipe 384, the feeding motor 383 is provided with a helical blade, and the length of the helical blade is equal to the length of the feeding pipe 384; a stirring motor 383 is arranged on the side wall of the hopper 381, the stirring motor 382 is fixed outside the hopper, and a shaft of the stirring motor 382 penetrates through the inside of the hopper and is fixed with a stirring plate; a cover plate connected by a hinge is provided on the hopper 381.

As shown in fig. 16 and 18, the inside of the filtering box 30 further includes two closed chains 3071, a driving sprocket group 3073, a driven sprocket group 3074, a first steering sprocket group 3075, a second steering sprocket group 3076, a filtering sieve plate 303 and a filtering driving motor 304, preferably, 20 pressing plates 3072 are fixed between the two closed chains 3071, the pressing plates 3072 are vertically fixed on the side surfaces of the chains 3071, the two closed chains 3071 are fixed on a driving chain wheel group 3073, a driven chain wheel group 3074, a first steering chain wheel group 3075 and a second steering chain wheel group 3076, the chain wheel groups are composed of shafts and chain wheels fixed at two ends, the driving chain wheel group 3073, the driven chain wheel group 3074, the first steering chain wheel group 3075 and the second steering chain wheel group 3076 are connected through a bracket, and the shafts of the driving chain wheel group 3073, the driven chain wheel group 3074, the first steering chain wheel group 3075 and the second steering chain wheel group 3076 are fixed on the filter box 30 and are fixed on the filter box 30; a filter sieve plate 303 is arranged at the bottom of the filter box 30, and a gap for filter paper to pass through is reserved between the filter sieve plate 303 and the chain 3071; the filter paper on the filter paper roller 35 enters from the filter paper inlet 305, passes through the rolling extrusion of the chain 3071 at the lowest end and the filter sieve plate 303, moves under the traction of the friction force of the chain 3071, and finally is led out from the filter paper outlet 306 of the filter box 30.

As shown in fig. 17, the paper pressing mechanism 37 is composed of a paper pressing roller 371, a paper pressing roller support 372 and a fixing seat 373, the paper pressing roller 371 is fixed on the paper pressing roller support 372, the paper pressing roller support 372 is fixedly connected on the fixing seat 373, the paper pressing roller support 372 can rotate on the fixing seat 373, a torsion spring is arranged inside the fixing seat 373, the torsion spring is located at the connection position between the paper pressing roller support 372 and the fixing seat 373, and the paper pressing roller 371 in the paper pressing mechanism 37 is always in a pressing contact state with a filter paper roller.

In conclusion, the invention can realize the purification of the kitchen waste after oil-water separation, and only water and a small amount of solid filter residue are generated after the kitchen waste is purified; the generated water can be stored in the water storage tank and is provided for the treatment of the subsequent kitchen garbage, the repeated utilization can be realized, the direct discharge can also be realized, the treated BOD/COD is far lower than the discharge requirement, and the discharge problem of sewage can not be worried; the solid filter residue filtered out on the filter paper can be collected for reuse and used for fertilizing the flowers and plants, so that the kitchen garbage is recycled; the invention makes the kitchen garbage which is difficult to be treated finally treated into the forms of water and solid filter residue, and the invention well solves the problems in both BOD/COD discharge requirement and kitchen garbage recycling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a kitchen garbage processing apparatus for handle the kitchen garbage after oil water separating, its characterized in that: the device comprises a mixed medicament part, a water filter part and a filter paper filtering part, wherein the mixed medicament part, the water filter part and the filter paper filtering part are respectively independent and are connected through a plurality of pipelines;

the mixed medicament part comprises a first electric pump and a second electric pump, the mixed medicament part is divided into an upper chamber and a lower chamber by a partition plate, the upper chamber is provided with a first mixing box and a second mixing box, the lower chamber is provided with a third mixing box and a fourth mixing box, the first mixing box, the second mixing box, the third mixing box and the fourth mixing box are all provided with a feeding port and a discharging port, the first mixing box, the second mixing box, the third mixing box and the fourth mixing box are respectively provided with a first medicament box, a second medicament box, a third medicament box and a fourth medicament box outside, and the first medicament box, the second medicament box, the third medicament box and the fourth medicament box are respectively provided with a first quantitative pump, a second quantitative pump, a third quantitative pump and a fourth quantitative pump;

the filter paper filtering part comprises a filter box, a filtering side box, a feeding mechanism, a third electric pump, a control box, a filter paper roller and a paper pressing mechanism, wherein the side wall of the filter box is provided with the communicated filtering side box, the feeding mechanism is fixedly connected to the filtering side box, the filtering side box is also provided with a filtrate inlet and a filtrate outlet, and the filtrate outlet is connected with the third electric pump; the filter box is also provided with a filter paper inlet and a filter paper outlet, a filter paper roller is arranged above the filter paper inlet, and a paper pressing mechanism is arranged beside the filter paper roller;

the water filter part comprises an MBR filter sheet, a filtered water inlet, a purified water outlet and an aeration pipe, wherein the aeration pipe is provided with a plurality of branch pipes, and the branch pipes are provided with a plurality of upward holes; a plurality of MBR filter sheets distributed in an array are arranged above the aeration pipe, and the MBR filter sheets positioned at the two ends are communicated with purified water outlets; the water filter part is arranged in the sealed cavity of the shell, and the filtered water inlet and the purified water outlet extend out of the shell; the aeration pipe is connected with an air pump, and the air pump is located on the filter tank.

2. The kitchen waste disposal device according to claim 1, wherein: the paper pressing mechanism comprises a paper pressing roller, a paper pressing roller support and a fixing seat, the paper pressing roller support is fixedly connected to the fixing seat, and a torsion spring is arranged between the paper pressing roller support and the fixing seat.

3. The kitchen waste disposal device according to claim 1, wherein: feed mechanism is including hopper, feeding motor and inlet pipe, the hopper below is connected with the inlet pipe, inlet pipe and hopper intercommunication, inlet pipe one end fixed connection is on filtering the side case, the inlet pipe other end is fixed with the feeding motor, feeding motor axis and inlet pipe axis coincidence, be equipped with helical blade on the feeding motor, helical blade's length equals with the length of inlet pipe.

4. The kitchen waste disposal device according to claim 3, wherein: a stirring motor is arranged on the side wall of the hopper, the stirring motor is fixed outside the hopper, and a shaft penetrates into the hopper and is fixed with a stirring plate; and the hopper is provided with a cover plate connected by a hinge.

5. The kitchen waste disposal device according to claim 3, wherein: the filter box is characterized by further comprising two closed chains, a driving chain wheel group, a driven chain wheel group, a first steering chain wheel group, a second steering chain wheel group, a filter screen plate and a filter driving motor, wherein the two closed chains are fixed on the driving chain wheel group, the driven chain wheel group, the first steering chain wheel group and the second steering chain wheel group; a filter sieve plate is arranged at the bottom of the filter box, and a gap for filter paper to pass through is reserved between the filter sieve plate and the chain; the filter paper on the filter paper drum firstly enters from the filter paper inlet, moves under the traction action of the friction force of the chain through the rolling extrusion of the chain at the lowermost end and the filter sieve plate, and finally is led out from the filter paper outlet of the filter box.

6. The kitchen waste disposal device according to claim 1, wherein: the mixed medicament part and the filter paper filtering part are fixedly connected through a bracket, the bracket forms a frame body, and a shell is arranged outside the bracket; the bracket is provided with a lifting hook, and the shell is provided with a U-shaped handle.

7. The kitchen waste disposal device according to claim 1, wherein: two upper and lower liquid level detectors are arranged in the filter box.

8. The kitchen waste disposal device according to claim 1, wherein: feed inlets on first mixing box, second mixing box, third mixing box and the fourth mixing box are equipped with the tee bend connector.

9. The kitchen waste disposal device according to claim 1, wherein: a paper receiving box is arranged below the filter paper outlet, a water storage tank is arranged below the filter tank, and a fourth electric pump is arranged on the water storage tank.

10. The kitchen waste disposal device according to claim 1, wherein: and a plurality of pressing plates are fixed between the two closed chains and are vertically fixed on the side surfaces of the chains.