CN213012623U - Vegetable waste composting and anaerobic digestion integrated device - Google Patents
Vegetable waste composting and anaerobic digestion integrated device Download PDFInfo
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- CN213012623U CN213012623U CN202021572068.4U CN202021572068U CN213012623U CN 213012623 U CN213012623 U CN 213012623U CN 202021572068 U CN202021572068 U CN 202021572068U CN 213012623 U CN213012623 U CN 213012623U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The utility model discloses a vegetable waste composting and anaerobic digestion integrated device, which comprises a recovery tank, a circulating water pipe, a stirring mechanism and a gathering funnel, wherein the interior of the recovery tank is divided into a composting cavity and a methane cavity by a partition plate from top to bottom, the bottom of the partition plate is connected by a liquid discharge pipe, the liquid discharge pipe is provided with a one-way valve, the upper end of the composting cavity is provided with a first feed inlet, an air inlet pipe and an exhaust pipe, the interior of the composting cavity is provided with the gathering funnel, the gathering funnel is connected with the inner wall of the composting cavity, the bottom of the gathering funnel is connected with a screw conveyor, the side wall of the screw conveyor is provided with a first discharge port positioned outside the recovery tank, the side wall of the methane cavity is connected with a second feed inlet and a methane connecting pipe, the bottom of the methane cavity is provided with the stirring mechanism, the lower end of the methane cavity is provided with a second discharge port, and the outer side of the, the circulating water pipe is tightly attached to the outside of the recovery tank, and a water pump is connected to the circulating water pipe.
Description
Technical Field
The utility model relates to a vegetables discarded object recycle technical field specifically is a vegetables discarded object compost and anaerobic digestion integrated device.
Background
Along with the vigorous development of the vegetable industry in China, the vegetable wastes generated in the vegetable planting process are increasingly increased, and how to treat the organic wastes is not only related to the effective development of resources, but also related to the environmental sanitation and safety of vast rural areas. At present, vegetable wastes are utilized for composting, and the method is better popularized in a plurality of vegetable industry compact areas in China due to the characteristics of simple and convenient technology, strong operability, high product added value and the like.
However, the water content of the vegetable waste is high, a large amount of liquid leaks out frequently in the composting process, the liquid contains a plurality of soluble sugars, organic acids and other organic components, the COD is high, an effective resource utilization way is not available at present, and the heat generated in the composting is not reasonably utilized, so that the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integrated device for composting vegetable wastes and anaerobic digestion, which realizes the synchronous composting and methane anaerobic fermentation in the same tank body, on one hand, the leakage liquid of the compost can be conveniently collected to be used by methane, thereby realizing the resource utilization of the leakage liquid, and the heat generated in the composting process can be used by the leakage liquid to generate methane, thereby realizing the reasonable utilization of the heat; and compost leakage liquid can be dynamically collected in the same tank body, so that the compost leakage liquid can be produced at any time and utilized at any time, and the vegetable waste can be rapidly treated.
In order to achieve the above object, the utility model provides a following technical scheme:
a vegetable waste composting and anaerobic digestion integrated device comprises a recovery tank, a circulating water pipe, a stirring mechanism and a material gathering funnel, wherein the interior of the recovery tank is divided into a composting cavity and a methane cavity by a partition plate from top to bottom, the bottom of the partition plate is connected with the methane cavity by a liquid discharge pipe, a one-way valve is arranged on the liquid discharge pipe, a first feed inlet, an air inlet pipe and an exhaust pipe are arranged at the upper end of the composting cavity, the material gathering funnel is arranged inside the composting cavity and connected with the inner wall of the composting cavity, a filter hole is arranged on the side wall of the material gathering funnel, the bottom of the material gathering funnel is connected with a screw conveyor, a first discharge port positioned outside the recovery tank is arranged on the side wall of the screw conveyor, a second feed inlet and a methane connecting pipe are connected on the side wall of the methane cavity, the stirring mechanism is arranged at the bottom of the methane cavity, a second discharge port is arranged at the lower end of the methane cavity, and, and a circulating water pipe is arranged between the heat-insulating sleeve and the recovery tank, the circulating water pipe is tightly attached to the outside of the recovery tank, and a water pump is connected to the circulating water pipe.
Preferably, the partition plate is of a concave plate structure with the middle part protruding downwards.
Preferably, a chain plate lifting conveyor is vertically fixed in the composting cavity, the lower end of the chain plate lifting conveyor is located in the material gathering hopper, the air inlet pipe is connected with a fan, the air outlet end of the air inlet pipe is connected with an air distribution box, the air distribution box is connected with an aeration pipe, the aeration pipe is connected with the side wall of the chain plate lifting conveyor through a fixing block, and the side wall of the chain plate lifting conveyor is provided with an air outlet hole communicated with the aeration pipe.
Preferably, the cleaning pipe is arranged on the upper inner wall of the compost cavity, and a valve and a spray header are arranged on the cleaning pipe.
Preferably, the side wall of the biogas chamber is connected with a temperature sensor and a barometer.
Preferably, the bottom of the recovery tank is provided with a supporting leg.
Preferably, a heating resistance wire is wound on the outer side wall of the methane cavity.
Preferably, the side wall of the gathering hopper is provided with a fixing sleeve for fixing the screw conveyor.
Preferably, the stirring mechanism comprises a protective cover, a vertical stirring blade, a supporting arm, a wall scraping stirring blade, a first motor, a transverse stirring blade and a second motor, the first motor is fixed at the bottom of the recovery tank, the protective cover is rotatably connected with the bottom of the biogas chamber, a driving seat is connected to the inner wall of the protective cover, an output shaft of the first motor is connected with the driving seat, a second motor is arranged at the upper end of the driving seat, a driving shaft is connected to the output shaft of the second motor, the upper end of the driving shaft is connected with the inner wall of the protective cover through a shaft sleeve, the wall scraping stirring blade and a supporting cylinder are arranged on the side wall of the protective cover, the supporting cylinder is arranged at the upper end of the wall scraping stirring blade, the wall scraping stirring blade is connected with the lower inner wall of the biogas chamber, a supporting arm is arranged in the supporting cylinder, a connecting shaft is arranged at one end, the other end of support arm links perpendicularly has vertical stirring leaf, vertical stirring leaf is located the outside of protection casing, vertical stirring leaf with scrape and be equipped with the horizontal stirring leaf of being connected with the protection casing between the wall stirring leaf.
Preferably, the side wall of the supporting arm is provided with a first limiting ring positioned on one side of the supporting cylinder, and the side wall of the connecting shaft is provided with a second limiting ring positioned on the other side of the supporting cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model realizes the synchronous composting and methane anaerobic fermentation in the same tank body, on one hand, the leakage liquid of the composting can be conveniently collected for methane generation and use, thereby realizing the resource utilization of the leakage liquid, and the heat generated in the composting process can be used for the leakage liquid to generate methane, thereby realizing the reasonable utilization of the heat; and compost leakage liquid can be dynamically collected in the same tank body, so that the compost leakage liquid can be produced at any time and utilized at any time, and the vegetable waste can be rapidly treated.
2. The utility model discloses set up the link joint in the compost intracavity and promote the conveyer, can realize the stirring to the promotion-whereabouts process of vegetables discarded object, set up the aeration pipe on the lateral wall of link joint promotion conveyer, can accelerate aerobic reaction, improve the processing speed.
3. The utility model discloses inner wall sets up the scavenge pipe on retrieving the jar, can wash jar internal portion after finishing using, realizes improving life to the maintenance of the jar body.
4. The utility model discloses the winding has the heating resistor silk on the lateral wall in marsh gas chamber, can carry out the concurrent heating to marsh gas intracavity portion when circulating pipe heat supply is not enough, guarantees the temperature demand of marsh gas intracavity reaction, ensures the reliability of using.
5. The utility model discloses a gather the material funnel and can gather the vegetables discarded object, make things convenient for the link joint to promote the conveyer and promote the material, can realize solid-liquid separation, convenient to use moreover.
6. The stirring device of the utility model realizes the transverse stirring through the transverse stirring blade and the wall scraping stirring blade, and realizes the vertical stirring through the vertical stirring blade, thereby ensuring the sufficient stirring, improving the reaction speed and the methane release; scrape the lower inner wall laminating in wall stirring leaf and marsh gas chamber, arrange the material in-process, can scrape the waste material into the second and arrange the material mouthful, conveniently arrange the material.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a chain plate lifting conveyor matched with an aerator pipe;
FIG. 3 is a schematic structural view of a gathering hopper;
FIG. 4 is a schematic structural view of a stirring mechanism;
fig. 5 is a sectional view of the stirring mechanism.
In the figure: 1-a recovery tank; 101-a first feed port; 102-an exhaust pipe; 103-insulating sleeve; 104-a second feed port; 105-a separator; 106-temperature sensor; 107-barometer; 108-support legs; 109-a one-way valve; 110-drain pipe; 111-biogas connecting pipe; 112-a second discharge outlet; 113-compost chamber; 114-a biogas chamber; 2, an air inlet pipe; 201-a fan; 202-gas separation box; 203-an aerator pipe; 3-chain plate lifting conveyor; 301-air outlet; 302-fixed block; 4-cleaning the tube; 401-a valve; 402-a shower head; 5-a circulating water pipe; 501-a water pump; 6-a screw conveyor; 601-a first discharge port; 7-a stirring mechanism; 701-a protective cover; 702-a support cylinder; 703-vertical stirring blades; 704-a support arm; 705-wall scraping stirring blades; 706-a first motor; 707-transverse stirring blades; 708-a first stop collar; 709-a connecting shaft; 710-a second stop collar; 711-shaft sleeve; 712-a drive shaft; 713-a drive socket; 714-a second electric machine; 8-gathering material hopper; 801-filtration pores; 802-fixation sleeves; 9-heating resistance wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, the vegetable waste composting and anaerobic digestion integrated device comprises a recovery tank 1, a circulating water pipe 5, a stirring mechanism 7 and a material gathering funnel 8, wherein for use convenience, supporting legs 108 are arranged at the bottom of the recovery tank 1, the interior of the recovery tank 1 is divided into a composting cavity 113 and a biogas cavity 114 up and down through a partition plate 105, the partition plate 105 is of a concave plate structure with the middle part protruding downwards, the bottom of the partition plate 105 is connected through a liquid discharge pipe 110, a one-way valve 109 is arranged on the liquid discharge pipe 110, a first feeding hole 101, an air inlet pipe 2 and an exhaust pipe 102 are arranged at the upper end of the composting cavity 113, the material gathering funnel 8 is arranged inside the composting cavity 113, a gap is arranged between the material gathering funnel 8 and the partition plate 105, vegetable waste is piled in the material gathering funnel 8, the material gathering funnel 8 is welded and fixed with the inner wall of the composting cavity 113, as shown in figure 3, a filtering hole 801 is arranged on the side wall of the material gathering, the screw rod of the screw conveyer 6 extends into the gathering hopper 8, the side wall of the screw conveyer 6 is provided with a first discharge port 601 positioned outside the recovery tank 1, the side wall of the methane cavity 114 is connected with a second feed port 104 and a methane connecting pipe 111, the bottom of the methane cavity 114 is provided with a stirring mechanism 7, the lower end of the methane cavity 114 is provided with a second discharge port 112, the outer side of the recovery tank 1 is sleeved with a heat-insulating sleeve 103, a circulating water pipe 5 is arranged between the heat-insulating sleeve 103 and the recovery tank 1, the circulating water pipe 5 is tightly attached to the outside of the recovery tank 1, the upper half part of the composting cavity 113 and the circulating water pipe 5 of the lower half part of the methane cavity 114 are densely wound, water or other circulating liquid media are arranged in the circulating water pipe 5, and.
Vegetable waste is put into the material gathering hopper 8 through the first feeding hole 101 for composting, compost leakage liquid drops on the partition plate 105 through a leakage hole, then flows into the biogas chamber 114 through the liquid discharge pipe 110, domesticated organic acid resistant activated sludge is put into the biogas chamber 114 through the second feeding hole 104 as an inoculum, heat generated in the compost is conveyed to the side wall of the biogas chamber 114 through the circulating water pipe 5 for fermentation, the compost leakage liquid generates biogas after anaerobic fermentation and is output outwards through the biogas connecting pipe 111, and reasonable utilization of waste resources is realized.
In order to improve the composting effect, a chain plate lifting conveyor 3 is vertically fixed in the composting cavity 113, the two sides of the chain plate lifting conveyor 3 are fixed in the composting cavity 113 through supports, the lower end of the chain plate lifting conveyor 3 is located in the material gathering hopper 8, a lifting plate of the chain plate lifting conveyor 3 is arranged in an upward inclined mode, vegetable wastes can be lifted and dropped through the chain plate lifting conveyor 3, and the material turning effect is achieved.
Wherein, in order to accelerate aerobic reaction, as shown in fig. 2, even there is fan 201 in intake pipe 2, and the end of giving vent to anger of intake pipe 2 even has branch gas box 202, even has aeration pipe 203 on the branch gas box 202, and aeration pipe 203 is connected with the lateral wall of drag chain lifting conveyor 3 through fixed block 302, is equipped with the venthole 301 with aeration pipe 203 intercommunication on the lateral wall of drag chain lifting conveyor 3, can aerate at the lift-up in-process, improves the aeration effect.
In order to avoid mildewing and blockage inside the recovery tank 1 when not in use, the cleaning pipe 4 is arranged on the upper inner wall of the compost cavity 113, the cleaning pipe 4 is provided with a valve 401 and a spray header 402, and the interior can be cleaned after use.
In order to further improve the use safety, a Pt100 temperature sensor 106 and an air pressure meter 107 are connected to the side wall of the methane cavity 114.
In order to ensure the stability of the reaction temperature, the heating resistance wire 9 is wound on the outer side wall of the methane cavity 114, the temperature generated in the composting process is about 70-80 ℃, the heat transferred through the circulating water pipe 5 is reduced, the medium temperature reaction temperature of the methane is about 35 ℃, and the high reaction temperature is about 50 ℃, so that when the reaction temperature cannot be reached, the heating resistance wire 9 can be started to heat the inside of the methane cavity 114.
Wherein, the side wall of the gathering funnel 8 is provided with a fixed sleeve 802 for fixing the screw conveyer 6, thereby increasing the convenience and reliability of fixing.
As shown in fig. 4-5, the stirring mechanism 7 includes a protective cover 701, a vertical stirring blade 703, a supporting arm 704, a scraping wall stirring blade 705, a first motor 706, a horizontal stirring blade 707, and a second motor 714, the first motor 706 is fixed at the bottom of the recovery tank 1, the protective cover 701 is rotatably connected and sealed with the bottom of the biogas chamber 114, a driving seat 713 is connected to the inner wall of the protective cover 701, an output shaft of the first motor 706 is connected to the driving seat 713, the driving seat 713 drives the protective cover 701 to rotate, the second motor 714 is arranged at the upper end of the driving seat 713, a driving shaft 712 is connected to the output shaft of the second motor 714, the upper end of the driving shaft 712 is connected to the inner wall of the protective cover 701 through a shaft sleeve 711, the scraping wall stirring blade 705 and the supporting tube 702 are arranged on the side wall of the protective cover 701, the supporting tube 702 is located at the upper end of the scraping wall stirring blade 705, the scraping wall stirring, one end of the supporting arm 704 is provided with a connecting shaft 709, the connecting shaft 709 is meshed with the driving shaft 712 through a gear, the other end of the supporting arm 704 is vertically connected with a vertical stirring blade 703, the vertical stirring blade 703 is positioned outside the protective cover 701, and a transverse stirring blade 707 connected with the protective cover 701 is arranged between the vertical stirring blade 703 and the wall scraping stirring blade 705. During the use, first motor 706 drive protection casing 701 rotates, drives and scrapes wall stirring leaf 705, horizontal stirring leaf 707 and support arm 704 and rotate and stir, and second motor 714 drive vertical stirring leaf 703 rotates, realizes stirring when horizontal and vertical, improves stirring effect, promotes the fermentation.
In order to ensure the position reliability of the support arm 704, a first stop collar 708 is disposed on the sidewall of the support arm 704 on one side of the support cylinder 702, and a second stop collar 710 is disposed on the sidewall of the connecting shaft 709 on the other side of the support cylinder 702 to prevent the support arm 704 from sliding left and right.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A vegetable waste composting and anaerobic digestion integrated device is characterized in that: the biogas digester comprises a recovery tank, a circulating water pipe, a stirring mechanism and a material gathering funnel, wherein the interior of the recovery tank is divided into a composting cavity and a biogas cavity from top to bottom through a partition plate, the bottom of the partition plate is connected with the composting cavity through a liquid discharge pipe, a one-way valve is arranged on the liquid discharge pipe, a first feed port, an air inlet pipe and an exhaust pipe are arranged at the upper end of the composting cavity, the material gathering funnel is arranged inside the composting cavity and connected with the inner wall of the composting cavity, a filter hole is arranged on the side wall of the material gathering funnel, the bottom of the material gathering funnel is connected with a screw conveyor, a first discharge port positioned outside the recovery tank is arranged on the side wall of the screw conveyor, a second feed port and a biogas connecting pipe are connected on the side wall of the biogas chamber, the stirring mechanism is arranged at the bottom of the biogas chamber, a second discharge port is arranged at the lower end of the biogas chamber, a heat insulation sleeve is sleeved outside, the circulating water pipe is tightly attached to the outside of the recovery tank, and a water pump is connected to the circulating water pipe.
2. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: the partition plate is of a concave plate structure with the middle part protruding downwards.
3. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: the composting device is characterized in that a chain plate lifting conveyor is vertically fixed in the composting cavity, the lower end of the chain plate lifting conveyor is positioned in the gathering hopper, the air inlet pipe is connected with a fan, the air outlet end of the air inlet pipe is connected with an air distribution box, the air distribution box is connected with an aeration pipe, the aeration pipe is connected with the side wall of the chain plate lifting conveyor through a fixing block, and the side wall of the chain plate lifting conveyor is provided with an air outlet hole communicated with the aeration pipe.
4. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: the upper inner wall of the composting cavity is provided with a cleaning pipe, and the cleaning pipe is provided with a valve and a spray header.
5. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: and the side wall of the methane cavity is connected with a temperature sensor and a barometer.
6. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: and the bottom of the recovery tank is provided with supporting legs.
7. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: and a heating resistance wire is wound on the outer side wall of the methane cavity.
8. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: the side wall of the gathering funnel is provided with a fixing sleeve for fixing the screw conveyor.
9. The integrated vegetable waste composting and anaerobic digestion device of claim 1 wherein: the stirring mechanism comprises a protective cover, a vertical stirring blade, a supporting arm, a wall scraping stirring blade, a first motor, a transverse stirring blade and a second motor, wherein the first motor is fixed at the bottom of the recovery tank, the protective cover is rotationally connected with the bottom of the biogas chamber, a driving seat is connected to the inner wall of the protective cover, an output shaft of the first motor is connected with the driving seat, the second motor is arranged at the upper end of the driving seat, a driving shaft is connected to the output shaft of the second motor, the upper end of the driving shaft is connected with the inner wall of the protective cover through a shaft sleeve, the wall scraping stirring blade and a supporting cylinder are arranged on the side wall of the protective cover, the supporting cylinder is arranged at the upper end of the wall scraping stirring blade, the wall scraping stirring blade is connected with the lower inner wall of the biogas chamber, the supporting cylinder is internally provided with the supporting arm, one end of the supporting arm is provided with a connecting shaft, the, the vertical stirring blades are positioned outside the protective cover, and the horizontal stirring blades connected with the protective cover are arranged between the vertical stirring blades and the wall scraping stirring blades.
10. The integrated vegetable waste composting and anaerobic digestion device of claim 9 wherein: the side wall of the supporting arm is provided with a first limiting ring positioned on one side of the supporting cylinder, and the side wall of the connecting shaft is provided with a second limiting ring positioned on the other side of the supporting cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021572068.4U CN213012623U (en) | 2020-07-31 | 2020-07-31 | Vegetable waste composting and anaerobic digestion integrated device |
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| CN202021572068.4U CN213012623U (en) | 2020-07-31 | 2020-07-31 | Vegetable waste composting and anaerobic digestion integrated device |
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| CN213012623U true CN213012623U (en) | 2021-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732465A (en) * | 2020-07-31 | 2020-10-02 | 山东省农业科学院农业资源与环境研究所 | Vegetable waste composting and anaerobic digestion integrated device |
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2020
- 2020-07-31 CN CN202021572068.4U patent/CN213012623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732465A (en) * | 2020-07-31 | 2020-10-02 | 山东省农业科学院农业资源与环境研究所 | Vegetable waste composting and anaerobic digestion integrated device |
| CN111732465B (en) * | 2020-07-31 | 2024-06-04 | 山东省农业科学院农业资源与环境研究所 | Vegetable waste composting and anaerobic digestion integrated device |
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