CN113730977A - Garbage leachate filtering treatment device - Google Patents
Garbage leachate filtering treatment device Download PDFInfo
- Publication number
- CN113730977A CN113730977A CN202110854374.XA CN202110854374A CN113730977A CN 113730977 A CN113730977 A CN 113730977A CN 202110854374 A CN202110854374 A CN 202110854374A CN 113730977 A CN113730977 A CN 113730977A
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- Prior art keywords
- garbage
- leachate
- plate
- filtering
- refuse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 75
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000004056 waste incineration Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
- B01D29/965—Device for changing the inclination of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
- B01D2258/0291—Flue gases from waste incineration plants
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a garbage leachate filtering treatment device, which comprises a leachate treatment tank, wherein a filtering device is rotatably arranged above the leachate treatment tank, the filtering device is obliquely arranged when garbage leachate is filtered, an anti-blocking piece is slidably arranged on the filtering device, a garbage incineration device is arranged at one end of the leachate treatment tank, garbage collected on the filtering device can be poured into the garbage incineration device when the filtering device rotates, a smoke outlet pipe is communicated with the garbage incineration device, one end of the smoke outlet pipe is connected with the garbage incineration device, the other end of the smoke outlet pipe extends into the tank bottom of the leachate treatment tank, and a vibration plate for loosening the garbage is arranged above a supporting plate. The treatment device separates solid garbage from liquid in the garbage leachate by arranging the filtering device, the solid garbage is poured into the garbage incineration device by turning over the filtering device after the separation is finished, and the poured solid garbage falls down to be in a fluffy state after passing through the vibrating plate, so that the garbage incineration process is more sufficient.
Description
Technical Field
The invention relates to a garbage treatment device, in particular to a garbage leachate filtering treatment device.
Background
The garbage leachate is high-concentration organic wastewater which has complex components and large water quality and water quantity change. The sources of the garbage leachate mainly comprise direct precipitation, surface runoff, surface irrigation, underground water, water of garbage, water in a covering material, water generated by biochemical reaction of the garbage and the like.
Solid-state rubbish is often mixed in the infiltration liquid of rubbish, consequently should separate solid-state rubbish earlier before handling the infiltration liquid of rubbish, need carry out combustion processing to solid-state rubbish after the separation, and traditional waste incineration device pollutes great, and difficult burning thoroughly.
Disclosure of Invention
The invention aims to provide a garbage leachate filtering treatment device, which separates solid garbage from liquid in garbage leachate by arranging a filtering device, pours the solid garbage into a garbage incineration device by turning over the filtering device after the separation is finished, and drops the poured solid garbage into a fluffy state after passing through a vibrating plate, so that the garbage incineration process is more sufficient, and harmful substances generated by combustion are dissolved in a leachate treatment tank by introducing smoke generated by the combustion of the solid garbage into the leachate treatment tank, so that the environmental pollution is reduced.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a rubbish sepage filtration processing apparatus, processing apparatus include the sepage treatment pond, the top in sepage treatment pond is rotated and is equipped with filter equipment, and when filtering the rubbish sepage, the filter equipment slope sets up, and the last slip of filter equipment is equipped with anti-blocking piece, and the one end in sepage treatment pond is equipped with the msw incineration device, and when filter equipment rotated, can pour the rubbish of collecting on the filter equipment into the msw incineration device.
The garbage incineration device is communicated with a smoke outlet pipe, one end of the smoke outlet pipe is connected with the garbage incineration device, and the other end of the smoke outlet pipe extends into the bottom of the seepage treatment pool.
The garbage incinerator is internally provided with a supporting plate, the supporting plate is provided with through holes distributed in an array manner, and elastic pieces distributed in an array manner are arranged between the vibrating plate and the supporting plate.
And a vibrating plate for loosening the garbage is arranged above the supporting plate, and blanking holes distributed in an array are formed in the vibrating plate.
Further, filter equipment is including being located the pivoted filter on the sepage treatment pond, and the both sides of filter all are equipped with the curb plate perpendicularly, and the one end of filter is equipped with the baffle, is equipped with the filtration pore on the baffle.
Furthermore, a first driving piece for driving the filtering device to rotate is fixed on one side of the seepage processing pool.
Furthermore, the first driving piece is an air cylinder, the air cylinder is positioned on one side of the seepage treatment pool and rotates, and an output shaft of the air cylinder is rotatably connected with the filtering device.
Furthermore, prevent that stifled piece includes L type scraper blade, and L type scraper blade removes to form rubbish locking box with curb plate and baffle combination when keeping away from the one end of pivot, and the below of L type scraper blade is equipped with and is used for preventing stifled brush hair.
Furthermore, a second driving piece for driving the anti-blocking piece to slide is fixed on the filtering device.
Furthermore, the second driving part comprises a first motor fixed on the filtering device, a screw is fixed on an output shaft of the first motor, and the screw is in threaded fit with the anti-blocking part.
Further, the waste incineration device comprises a furnace body, a furnace cover is rotatably arranged on the furnace body, the supporting plate is located in the furnace body, an air inlet is formed in one side of the furnace body and located below the supporting plate, a support is arranged below the furnace body, and a vertical plate is arranged on the support.
Furthermore, a third driving piece for controlling the vibration plate to shake up and down is arranged on the garbage incineration device.
Further, the third driving piece comprises a second motor fixed on the vertical plate, an output shaft of the second motor penetrates through the vertical plate to be vertically provided with a connecting rod, a connecting piece is arranged on the connecting rod in a rotating mode, and a vertical sliding rod is arranged on the garbage incineration device in a sliding mode.
The lower part of the vertical slide rod is rotatably connected with the connecting piece, the upper part of the vertical slide rod is rotatably provided with an L-shaped trigger rod, when the L-shaped trigger rod moves downwards, the vibrating plate is pressed downwards, and when the L-shaped trigger rod moves upwards, the vibrating plate moves upwards under the action of the elastic piece.
The invention has the beneficial effects that:
1. the treatment device separates solid garbage from liquid in the garbage leachate by arranging the filtering device, the solid garbage is poured into the garbage incineration device by turning over the filtering device after the separation is finished, and the poured solid garbage falls down to be in a fluffy state after passing through the vibrating plate, so that the garbage incineration process is more sufficient;
2. the treatment device leads the smoke generated by burning the solid garbage into the liquid seepage treatment tank, so that the harmful substances generated by burning are dissolved in the liquid seepage treatment tank, thereby reducing the environmental pollution
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of a processing apparatus according to the present invention;
FIG. 2 is a schematic view of a part of the structure of the processing apparatus of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The utility model provides a rubbish sepage filtration processing apparatus, processing apparatus includes sepage processing pond 1, as shown in figure 1, figure 2, the top in sepage processing pond 1 is rotated and is equipped with filter equipment 2, when filtering rubbish sepage, the slope of filter equipment 2 sets up, one side in sepage processing pond 1 is fixed with and is used for driving filter equipment 2 pivoted first driving piece 3, it is equipped with anti-blocking 4 to slide on filter equipment 2, be fixed with on filter equipment 2 and be used for driving anti-blocking 4 gliding second driving piece 5.
The one end in infiltration liquid treatment pond 1 is equipped with waste incineration device 6, and when filter equipment 2 rotated, can pour the rubbish of collecting on the filter equipment 2 into waste incineration device 6, the last intercommunication of waste incineration device 6 was equipped with out tobacco pipe 7, and the one end of going out tobacco pipe 7 is connected waste incineration device 6, and the other end stretches into the bottom of the pool in infiltration liquid treatment pond 1.
The first driving member 3 can be a cylinder, the cylinder is positioned at one side of the seepage processing pool 1 and rotates, and an output shaft of the cylinder is rotationally connected with the filtering device 2.
The anti-blocking piece 4 comprises an L-shaped scraper which is combined with the side plate 22 and the baffle plate 23 to form a garbage locking box when moving to one end far away from the rotating shaft, and bristles 41 for preventing blocking are arranged below the L-shaped scraper.
The second driving member 5 comprises a first motor 51 fixed on the filtering device 2, a screw 52 is fixed on an output shaft of the first motor 51, and the screw 52 is in threaded fit with the anti-blocking member 4.
The waste incineration device 6 comprises a furnace body 61, a furnace cover 62 is arranged on the furnace body 61 in a rotating mode, a support plate 8 is arranged in the furnace body 61, through holes distributed in an array mode are formed in the support plate 8, an air inlet 63 is formed in one side of the furnace body 61, the air inlet 63 is located below the support plate 8, a support 64 is arranged below the furnace body 61, and a vertical plate 65 is arranged on the support 64.
The upper part of the supporting plate 8 is provided with a vibrating plate 9 for loosening garbage, the vibrating plate 9 is provided with blanking holes distributed in an array manner, and elastic pieces distributed in an array manner are arranged between the vibrating plate 9 and the supporting plate 8.
The garbage incineration device 6 is provided with a third driving piece 10 for controlling the vibration plate 9 to shake up and down.
The third driving member 10 comprises a second motor 101 fixed on the vertical plate 65, as shown in fig. 3, an output shaft of the second motor 101 penetrates through the vertical plate 65 to be vertically provided with a connecting rod 102, a connecting member 103 is rotatably arranged on the connecting rod 102, and a vertical sliding rod 104 is slidably arranged on the waste incineration device 6.
The lower part of the vertical slide rod 104 is rotatably connected with the connecting piece 103, the upper part is rotatably provided with an L-shaped trigger rod 106, when the L-shaped trigger rod 106 moves downwards, the vibration plate 9 is pressed downwards, and when the L-shaped trigger rod 106 moves upwards, the vibration plate 9 moves upwards under the action of the elastic piece.
During the use, separate solid-state rubbish and liquid in the rubbish sepage through setting up filter equipment 2, pour solid-state rubbish into waste incineration device 6 through upset filter equipment 2 after the separation is accomplished, the solid-state rubbish of pouring falls behind vibrations board 9 and becomes fluffy state, make more abundant to waste incineration's in-process, smoke through burning solid-state rubbish lets in sepage treatment pond 1, make the harmful substance that the burning generated dissolve in sepage treatment pond 1, environmental pollution has been reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A garbage leachate filtering treatment device comprises a leachate treatment tank (1), and is characterized in that a filtering device (2) is rotatably arranged above the leachate treatment tank (1), the filtering device (2) is obliquely arranged when garbage leachate is filtered, an anti-blocking piece (4) is slidably arranged on the filtering device (2), a garbage incineration device (6) is arranged at one end of the leachate treatment tank (1), and garbage collected on the filtering device (2) can be poured into the garbage incineration device (6) when the filtering device (2) rotates;
a smoke outlet pipe (7) is communicated with the garbage incineration device (6), one end of the smoke outlet pipe (7) is connected with the garbage incineration device (6), and the other end of the smoke outlet pipe extends into the bottom of the seepage treatment tank (1);
a supporting plate (8) is arranged in the garbage incineration device (6), through holes distributed in an array are formed in the supporting plate (8), and elastic pieces distributed in an array are arranged between a vibration plate (9) and the supporting plate (8) in the garbage incineration device (6);
and a vibration plate (9) for loosening the garbage is arranged above the supporting plate (8), and blanking holes distributed in an array are formed in the vibration plate (9).
2. A refuse percolate filtration treatment device according to claim 1, characterised in that the filtration device (2) comprises a filter plate (21) rotating on the percolate treatment tank (1), that both sides of the filter plate (21) are vertically provided with side plates (22), that one end of the filter plate (21) is provided with a baffle plate (23), and that the baffle plate (23) is provided with filtration holes.
3. A refuse leachate treatment plant according to claim 1 or 2, characterized in that a first drive element (3) for driving the filtration plant (2) in rotation is fixed to one side of the leachate treatment tank (1).
4. A refuse percolate filtration treatment device according to claim 3, wherein the first driving member (3) is a cylinder, which is located at one side of the percolate treatment tank (1) and rotates, the output shaft of which is rotatably connected to the filtration device (2).
5. A refuse leachate filtering treatment apparatus according to claim 2, wherein the anti-clogging member (4) comprises an L-shaped scraper, the L-shaped scraper, when moving to the end away from the rotating shaft, combines with the side plate (22) and the baffle (23) to form a refuse locking box, and bristles (41) for preventing clogging are provided below the L-shaped scraper.
6. A refuse leachate treatment plant according to claim 1 or 5, characterized in that a second drive element (5) for driving the anti-clogging element (4) in sliding motion is fixed to the filtration plant (2).
7. A refuse leachate treatment plant according to claim 1 or 2, characterized in that the second drive member (5) comprises a first motor (51) fixed to the filtration plant (2), a screw (52) is fixed to the output shaft of the first motor (51), and the screw (52) is in threaded engagement with the anti-clogging element (4).
8. A refuse leachate filtering treatment device according to claim 1 or 5, characterized in that the refuse incineration device (6) comprises a furnace body (61), a furnace cover (62) is rotatably arranged on the furnace body (61), the support plate (8) is positioned in the furnace body (61), an air inlet (63) is arranged on one side of the furnace body (61), the air inlet (63) is positioned below the support plate (8), a bracket (64) is arranged below the furnace body (61), and a vertical plate (65) is arranged on the bracket (64).
9. A refuse leachate treatment plant according to claim 8, wherein the refuse incineration plant (6) is provided with a third driving member (10) for controlling the vibration plate (9) to vibrate up and down.
10. The garbage leachate filtering treatment device according to claim 9, wherein the third driving member (10) comprises a second motor (101) fixed on the vertical plate (65), an output shaft of the second motor (101) is vertically provided with a connecting rod (102) through the vertical plate (65), the connecting rod (102) is rotatably provided with a connecting piece (103), and the garbage incineration device (6) is slidably provided with a vertical slide rod (104);
the lower part of the vertical slide rod (104) is rotatably connected with the connecting piece (103), the upper part of the vertical slide rod is rotatably provided with an L-shaped trigger rod (106), when the L-shaped trigger rod (106) moves downwards, the vibration plate (9) is pressed downwards, and when the L-shaped trigger rod (106) moves upwards, the vibration plate (9) moves upwards under the action of the elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854374.XA CN113730977A (en) | 2021-07-28 | 2021-07-28 | Garbage leachate filtering treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854374.XA CN113730977A (en) | 2021-07-28 | 2021-07-28 | Garbage leachate filtering treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113730977A true CN113730977A (en) | 2021-12-03 |
Family
ID=78729237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110854374.XA Pending CN113730977A (en) | 2021-07-28 | 2021-07-28 | Garbage leachate filtering treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113730977A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587819A (en) * | 2015-01-06 | 2015-05-06 | 上海交通大学 | Fixing method of carbon dioxide in flue gas of municipal solid waste incinerator |
| CN110170505A (en) * | 2019-05-31 | 2019-08-27 | 重庆大学 | A method of improving refuse-burning plant rubbish fermentation effect |
| CN210815656U (en) * | 2019-10-28 | 2020-06-23 | 湖州南太湖环保能源有限公司 | Wet treatment device for refuse incinerator slag |
| CN111928268A (en) * | 2020-08-13 | 2020-11-13 | 李昱轩 | Discharging structure and dust collecting device for waste incineration treatment |
| CN111928262A (en) * | 2020-08-13 | 2020-11-13 | 李昱轩 | Garbage incineration treatment device and using method thereof |
| CN212708180U (en) * | 2020-05-29 | 2021-03-16 | 重庆阳正环保科技股份有限公司 | Leachate pretreatment device |
| CN112676003A (en) * | 2020-12-28 | 2021-04-20 | 泉州市洛江奎芳保洁有限公司 | Kitchen garbage disposal box |
-
2021
- 2021-07-28 CN CN202110854374.XA patent/CN113730977A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587819A (en) * | 2015-01-06 | 2015-05-06 | 上海交通大学 | Fixing method of carbon dioxide in flue gas of municipal solid waste incinerator |
| CN110170505A (en) * | 2019-05-31 | 2019-08-27 | 重庆大学 | A method of improving refuse-burning plant rubbish fermentation effect |
| CN210815656U (en) * | 2019-10-28 | 2020-06-23 | 湖州南太湖环保能源有限公司 | Wet treatment device for refuse incinerator slag |
| CN212708180U (en) * | 2020-05-29 | 2021-03-16 | 重庆阳正环保科技股份有限公司 | Leachate pretreatment device |
| CN111928268A (en) * | 2020-08-13 | 2020-11-13 | 李昱轩 | Discharging structure and dust collecting device for waste incineration treatment |
| CN111928262A (en) * | 2020-08-13 | 2020-11-13 | 李昱轩 | Garbage incineration treatment device and using method thereof |
| CN112676003A (en) * | 2020-12-28 | 2021-04-20 | 泉州市洛江奎芳保洁有限公司 | Kitchen garbage disposal box |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |
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| RJ01 | Rejection of invention patent application after publication |