CN210711542U - Small-size domestic kitchen garbage anaerobic fermentation device - Google Patents

Small-size domestic kitchen garbage anaerobic fermentation device Download PDF

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Publication number
CN210711542U
CN210711542U CN201921622670.1U CN201921622670U CN210711542U CN 210711542 U CN210711542 U CN 210711542U CN 201921622670 U CN201921622670 U CN 201921622670U CN 210711542 U CN210711542 U CN 210711542U
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anaerobic fermentation
small
tank
waste
pipeline
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CN201921622670.1U
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王治国
张恒
蔺靖杰
郭姜汝
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Xian Shiyou University
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Xian Shiyou University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

A small household kitchen garbage anaerobic fermentation device comprises a raw material collecting pool, an anaerobic fermentation tank and a biogas storage tank which are sequentially connected with each other through pipelines in a box body; the kitchen waste enters a raw material collecting tank, a first stirrer is driven by a small motor I to stir and crush the kitchen waste, the kitchen waste enters an anaerobic fermentation tank, the kitchen waste falls on a conveying belt driven by a small motor II, a small motor III and a small motor IV to be subjected to acidolysis, conveying and filtering, the waste enters a waste material tank to be discharged, acidolysis solution is further fermented under the stirring of yeast added at a yeast raw material adding port and a second stirrer driven by a small motor V to generate biogas, and the biogas enters a biogas storage tank through a first biogas discharge port to be utilized; the utility model has the advantages of simple structure and operation, space saving, low cost and environmental protection and energy saving.

Description

Small-size domestic kitchen garbage anaerobic fermentation device
Technical Field
The utility model relates to a garbage disposal device especially relates to a small-size domestic kitchen remains rubbish anaerobic fermentation device.
Background
With the increase of the global population and the gradual improvement of living standard, the yield of the kitchen waste is on the trend of increasing year by year, according to statistics, the urban household waste generated every year around the world is about 500 hundred million tons, wherein the kitchen waste accounts for about 10% -20%, and the problem of kitchen waste treatment is increasingly emphasized. The kitchen waste contains extremely high moisture and organic matters, is easy to rot and generate stink, but can be converted into new energy rich in the organic matters through proper treatment and processing, and the kitchen waste after strict treatment can be used as fertilizer and feed, and can even be used for generating electricity and preparing biofuel. From sustainable development's angle, adopt anaerobic fermentation technique can effectively improve treatment effeciency, organic waste fermentation device at present mainly includes acidolysis tower and anaerobic fermentation jar two parts, and acidolysis tower and anaerobic fermentation jar are split type design, and the acidolysis liquid that the acidolysis tower produced flows into anaerobic fermentation jar in through the pipeline, and it is mainly to large-scale restaurant, dining room, because equipment is many, area is big, the investment is big, the operation is complicated, and the running cost is high, is not suitable for ordinary family.
Disclosure of Invention
For overcoming the not enough of above-mentioned prior art, the utility model aims to provide a small-size domestic rubbish from cooking anaerobic fermentation device can stir garrulous processing, fermentation acidolysis and collect the utilization to the marsh gas that produces after the fermentation acidolysis with rubbish from cooking, and each part sets up compactly in the device simultaneously, is convenient for use in small-size places such as family, company, has simple structure, convenient operation, saves space, low cost and environmental protection and energy saving's advantage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a small household kitchen waste anaerobic fermentation device comprises a box body 24, a raw material collecting pool 1 arranged at an inlet at the top in the box body 24, an anaerobic fermentation tank 3 arranged at the bottom in the box body 24 and below the raw material collecting pool 1, a waste bucket 27 arranged at one side of the anaerobic fermentation tank 3 and a methane storage tank 9 arranged at the other side of the box body 24;
the inlet end of the raw material collecting tank 1 is connected with a kitchen waste discharge port, a small motor I20 is fixedly arranged on the outer side of the top of the raw material collecting tank 1, and the power output end of the small motor I20 is connected with the power input end of the first stirrer 2; an outlet end 18 at the bottom of the raw material collecting tank 1 is connected with an inlet end at one side of the top of the anaerobic fermentation tank 3 through a pipeline, and a first two-way valve 17 is arranged on the pipeline; a plurality of layers of horizontal conveyer belts 16 are arranged above the vertical inner wall of the anaerobic fermentation tank 3 in a staggered way in opposite directions, wherein the conveyer belt 16 at the lowest layer is a net-shaped filter layer; the conveying belt 16 is connected with the power output ends of a small motor II21, a small motor III25 and a small motor IV26 which are arranged on the vertical outer wall of the anaerobic fermentation tank 3 through transmission gears, the tail end of the stroke of the conveying belt 16 is provided with an overflow port 19, a waste material pool 5 is arranged below the lowest overflow port 19, the outlet of the waste material pool 5 is connected with the inlet end of a waste material barrel 27 through a pipeline, and the pipeline of the waste material pool is provided with a one-way valve 11;
a small motor V22 is arranged below the bottom of the anaerobic fermentation tank 3, the power output end of the small motor V22 is connected with the power input end of a second stirrer 14 arranged at the bottom in the anaerobic fermentation tank 3, the bottom outlet end of the anaerobic fermentation tank 3 is connected with the inlet end of a waste barrel 27 through a pipeline, and a second two-way valve 12 is arranged on the pipeline;
the other side of the top of the anaerobic fermentation tank 3 is provided with a first biogas discharge port 4, the biogas discharge port 4 is connected with the inlet end of a biogas storage tank 9 through a pipeline, the pipeline of the biogas discharge port is provided with a third two-way valve 6, a second biogas discharge port 7 at the top of the biogas storage tank 9 is connected to the outside through a pipeline, and the pipeline of the biogas storage tank is provided with a pressure gauge 10 and a fourth two-way valve 8.
The small motor I20, the small motor II21, the small motor III25, the small motor IV26 and the small motor V22 are connected in parallel to the power switch 23.
The small motor II21, the small motor III25 and the small motor IV26 are speed reducing motors.
The bottoms of the raw material collecting tank 1, the anaerobic fermentation tank 3 and the waste material tank 5 are in a conical shape, a funnel shape or a hemispherical shape.
The conveyer belt 16 has at least three layers, and a yeast raw material adding port 15 is further arranged below the bottommost conveyer belt 16 and on the side wall of the anaerobic fermentation tank 3.
The utility model discloses a set up raw materials collecting pit 1, small motor I20 and first agitator 2 smash the surplus material in kitchen and the misce bene, then discharge into anaerobic fermentation jar 3 in the conveyer belt 16 of crisscross layering setting, small motor III25, small motor IV26 and small motor V22 drive conveyer belt 16 and rotate with the speed of slow extremely, the time that the material is from falling into conveyer belt 16 to falling into waste material pond 5 is 2-3h, transport the material slowly successive layer, flow downwards through overflow mouth 19, before the material flows into last layer conveyer belt 16, its basic acidolysis is accomplished, last layer conveyer belt 16 is the filter layer, can filter the acidolysis liquid, the residue then sends to last layer overflow mouth 19 along conveyer belt 16, flow into waste material pond 5 again, after reaching certain pressure, the waste material discharges through one-way check valve 11; the yeast raw material is added with the prepared fermentation liquor through an adding port 15, a small-sized motor V22 at the bottom of the yeast fermentation tank 3 is opened to drive a second stirrer 14, the fermentation liquor is fully mixed with the acid hydrolysis liquid flowing downwards from the upper part to generate methane, the methane enters a methane storage tank 9 through a methane discharge port 4 at the top for utilization, and the waste fermentation liquor is discharged through a liquid discharge port 13 at the bottom. The utility model has the advantages of simple structure, convenient operation, space saving, low cost and environmental protection and energy saving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the mesh-shaped filter layer of the conveyer belt of the present invention.
In the figure: 1. a raw material collecting tank; 2. a first stirrer; 3. anaerobic fermentation tank; 4. a first biogas outlet; 5. a waste tank; 6. a first two-way valve; 7. a second biogas outlet; 8. a second two-way valve; 9. a biogas storage tank; 10. a pressure gauge; 11. a one-way check valve; 12. a third two-way valve; 13. a liquid discharge port; 14. a second agitator; 15. a yeast raw material addition port; 16. a conveyor belt; 17. a fourth two-way valve; 18. a raw material discharge port; 19. an overflow port; 20. a small-sized motor I; 21. a small-sized motor II; 22. a small-sized motor V; 23. a power switch; 24. a box body; 25. a small-sized motor III; 26. a small-sized motor IV; 27. a waste bucket.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a small household kitchen waste anaerobic fermentation device comprises a box body 24, a raw material collecting tank 1 arranged at an inlet at the top in the box body 24, an anaerobic fermentation tank 3 arranged at the bottom in the box body 24 and below the raw material collecting tank 1, a waste bucket 27 arranged at one side of the anaerobic fermentation tank 3 and a methane storage tank 9 arranged at the other side in the box body 24;
the inlet end of the raw material collecting tank 1 is connected with a kitchen garbage discharge port, a small motor I20 is fixedly arranged on the outer side of the top of the raw material collecting tank 1, and the power output end of the small motor I20 is connected with the power input end of the first stirrer 2 to stir and crush garbage entering the raw material collecting tank 1; an outlet end 18 at the bottom of the raw material collecting tank 1 is connected with an inlet end at one side of the top of the anaerobic fermentation tank 3 through a pipeline, and a first two-way valve 17 is arranged on the pipeline; a plurality of layers of horizontal conveyor belts 16 are arranged above the vertical inner wall of the anaerobic fermentation tank 3 in a staggered mode in opposite directions, kitchen waste is sufficiently acidolyzed on the plurality of layers of conveyor belts 16, the conveyor belt 16 on the lowest layer is a net-shaped filter layer, and liquid is filtered into the anaerobic fermentation tank 3; the conveying belt 16 is connected with the power output ends of a small motor II21, a small motor III25 and a small motor IV26 which are arranged on the vertical outer wall of the anaerobic fermentation tank 3 through transmission gears, the tail end of the stroke of the conveying belt 16 is provided with an overflow port 19, a funnel-shaped waste material pool 5 is arranged below the lowermost overflow port 19, the outlet of the waste material pool 5 is connected with the inlet end of a waste material barrel 27 through a pipeline, the pipeline of the waste material pool is provided with a one-way valve 11, and waste materials can be used as organic fertilizer or other purposes;
a small motor V22 is arranged below the bottom of the anaerobic fermentation tank 3, the power output end of the small motor V22 is connected with the power input end of a second stirrer 14 arranged at the bottom in the anaerobic fermentation tank 3, the bottom outlet end of the anaerobic fermentation tank 3 is connected with the inlet end of a waste barrel 27 through a pipeline, and a second two-way valve 12 is arranged on the pipeline;
a first biogas discharge port 4 is arranged on the other side of the top of the anaerobic fermentation tank 3, the biogas discharge port 4 is connected with the inlet end of a biogas storage tank 9 through a pipeline, a third two-way valve 6 is arranged on the pipeline, a second biogas discharge port 7 on the top of the biogas storage tank 9 is connected to the outside through a pipeline, a pressure gauge 10 and a fourth two-way valve 8 are arranged on the pipeline, and biogas is used as renewable energy;
the small motor I20, the small motor II21, the small motor III25, the small motor IV26 and the small motor V22 are connected in parallel to the power switch 23.
The small motor II21, the small motor III25 and the small motor IV26 are speed reducing motors.
The bottom of the raw material collecting tank 1 and the bottom of the anaerobic fermentation tank 3 are in a conical shape, a funnel shape or a hemispherical shape.
The conveyer belt 16 is three layers at least to do benefit to the abundant acidolysis of kitchen garbage, still be provided with yeast raw materials interpolation mouth 15 below the conveyer belt 16 of bottommost layer and on the lateral wall of anaerobic fermentation tank 3, conveniently add the yeast, make the waste liquid abundant fermentation in the raw materials collecting pit produce marsh gas.
The utility model discloses a theory of operation does:
putting the collected kitchen garbage into a raw material collecting tank 1, adding a proper amount of water and acidolysis strains, starting a small motor I20, opening a stirrer 2 to break and uniformly mix the materials, opening a two-way valve 17 to put the materials onto a conveying belt in an anaerobic fermentation tank 3, opening a small motor II21, a small motor III25 and a small motor IV26 to drive a conveying belt 16 to slowly convey the materials to an overflow port 19 at a very slow speed and flow to the next layer, wherein the time from the falling of the materials into the conveying belt to the falling of the materials into a waste tank is about 2-3h, the materials are basically subjected to acidolysis before flowing into the last layer, the last layer of conveying belt is a filter layer and can filter acidolysis liquid, and residues are conveyed to the overflow port 19 along the conveying belt 16 and then flow into the waste tank 5 to reach a certain pressure and then are discharged through a one-way check valve 11. The prepared fermentation liquor is added through the yeast raw material adding port 15, the small-sized motor V22 at the lower part is turned on to drive the stirrer 14, the fermentation liquor and the acidolysis liquid flowing downwards from the upper part are fully mixed, so that methane is generated, the generated methane enters the methane storage tank 9 through the methane discharging port 4 at the top, and when the methane is used, the two-way valve 8 is turned on. The gas volume in the biogas storage tank can be observed by the pressure gauge 10, and the waste fermentation liquid is discharged into the waste barrel 27 through the liquid outlet 13 at the bottom.
The above description of the embodiments is only intended to facilitate the understanding of the method of the present invention and its core idea; for the person skilled in the art, the details of the embodiments, applications and materials may vary widely according to the spirit of the embodiments of the present invention, and the content of the present description should not be construed as limiting the present invention.

Claims (5)

1. A small household kitchen waste anaerobic fermentation device comprises a box body (24), a raw material collecting pool (1) arranged at an inlet at the top in the box body (24), an anaerobic fermentation tank (3) arranged at the bottom in the box body (24) and below the raw material collecting pool (1), a waste material barrel (27) arranged at one side of the anaerobic fermentation tank (3) and a methane storage tank (9) arranged at the other side in the box body (24); the method is characterized in that: the inlet end of the raw material collecting tank (1) is connected with a kitchen waste discharge port, a small motor I (20) is fixedly arranged on the outer side of the top of the raw material collecting tank (1), and the power output end of the small motor I (20) is connected with the power input end of the first stirrer (2); an outlet end (18) at the bottom of the raw material collecting tank (1) is connected with an inlet end at one side of the top of the anaerobic fermentation tank (3) through a pipeline, and a first two-way valve (17) is arranged on the pipeline; a plurality of layers of horizontal conveyer belts (16) are arranged above the vertical inner wall of the anaerobic fermentation tank (3) in a staggered way in opposite directions, wherein the conveyer belt (16) at the lowest layer is a net-shaped filter layer; the conveying belt (16) is connected with the power output ends of a small motor II (21), a small motor III (25) and a small motor IV (26) which are arranged on the vertical outer wall of the anaerobic fermentation tank (3) through transmission gears, the stroke end of the conveying belt (16) is provided with an overflow port (19), a waste material pool (5) is arranged below the lowest overflow port (19), the outlet of the waste material pool (5) is connected with the inlet end of a waste material barrel (27) through a pipeline, and the pipeline of the waste material pool is provided with a one-way valve (11);
a small-sized motor V (22) is arranged below the bottom of the anaerobic fermentation tank (3), the power output end of the small-sized motor V (22) is connected with the power input end of a second stirrer (14) arranged at the bottom in the anaerobic fermentation tank (3), the bottom outlet end of the anaerobic fermentation tank (3) is connected with the inlet end of a waste barrel (27) through a pipeline, and a second two-way valve (12) is arranged on the pipeline;
the anaerobic fermentation tank is characterized in that a first biogas discharge port (4) is formed in the other side of the top of the anaerobic fermentation tank (3), the biogas discharge port (4) is connected with the inlet end of a biogas storage tank (9) through a pipeline, a third two-way valve (6) is arranged on the pipeline, a second biogas discharge port (7) in the top of the biogas storage tank (9) is connected to the outside through a pipeline, and a pressure gauge (10) and a fourth two-way valve (8) are arranged on the pipeline.
2. The small household kitchen waste anaerobic fermentation device according to claim 1, characterized in that: the small-sized motor I (20), the small-sized motor II (21), the small-sized motor III (25), the small-sized motor IV (26) and the small-sized motor V (22) are connected in parallel to the power switch (23).
3. The small-sized domestic kitchen waste anaerobic fermentation apparatus according to claim 1 or 2, wherein: the small motor II (21), the small motor III (25) and the small motor IV (26) are speed reducing motors.
4. The small household kitchen waste anaerobic fermentation device according to claim 1, characterized in that: the bottoms of the raw material collecting tank (1), the anaerobic fermentation tank (3) and the waste material tank (5) are in a conical shape, a funnel shape or a hemispherical shape.
5. The small household kitchen waste anaerobic fermentation device according to claim 1, characterized in that: the conveyer belt (16) is at least three layers, and a yeast raw material adding port (15) is further arranged below the bottommost conveyer belt (16) and on the side wall of the anaerobic fermentation tank (3).
CN201921622670.1U 2019-09-27 2019-09-27 Small-size domestic kitchen garbage anaerobic fermentation device Active CN210711542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921622670.1U CN210711542U (en) 2019-09-27 2019-09-27 Small-size domestic kitchen garbage anaerobic fermentation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921622670.1U CN210711542U (en) 2019-09-27 2019-09-27 Small-size domestic kitchen garbage anaerobic fermentation device

Publications (1)

Publication Number Publication Date
CN210711542U true CN210711542U (en) 2020-06-09

Family

ID=70965230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921622670.1U Active CN210711542U (en) 2019-09-27 2019-09-27 Small-size domestic kitchen garbage anaerobic fermentation device

Country Status (1)

Country Link
CN (1) CN210711542U (en)

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