CN115448452A - Middle-layer multi-stage baffling automatic water pressure automatic sediment discharging anaerobic fermentation device for scum - Google Patents

Middle-layer multi-stage baffling automatic water pressure automatic sediment discharging anaerobic fermentation device for scum Download PDF

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Publication number
CN115448452A
CN115448452A CN202211262256.0A CN202211262256A CN115448452A CN 115448452 A CN115448452 A CN 115448452A CN 202211262256 A CN202211262256 A CN 202211262256A CN 115448452 A CN115448452 A CN 115448452A
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China
Prior art keywords
fermentation
chamber
sub
subchamber
scum
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CN202211262256.0A
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Chinese (zh)
Inventor
叶荣喜
王媛媛
张衍林
艾平
孟亮
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Hubei Rongxi Energy And Environmental Protection Construction Co ltd
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Hubei Rongxi Energy And Environmental Protection Construction Co ltd
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Priority to CN202211262256.0A priority Critical patent/CN115448452A/en
Publication of CN115448452A publication Critical patent/CN115448452A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2866—Particular arrangements for anaerobic reactors
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/964—Constructional parts, e.g. floors, covers or doors
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/964—Constructional parts, e.g. floors, covers or doors
    • C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06—Apparatus for the manufacture
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • 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

Abstract

The invention discloses a middle-layer multi-stage baffling automatic water pressure anaerobic fermentation device for automatically discharging dregs from floating slag, which comprises a fermentation tank body, wherein a fermentation chamber vault is arranged in the fermentation tank body, the fermentation tank body is divided into an upper part and a lower part, the upper part is a water pressure chamber, and the lower part is a fermentation chamber; the fermentation chamber is internally and vertically provided with 6 partition plates in a radial manner by taking the circle center as the center, the fermentation chamber is divided into 6 fan-shaped fermentation sub-chambers, the lower part of the first fermentation sub-chamber is connected with a feeding pipe, the sixth fermentation sub-chamber is connected with a discharging pipe, the first fermentation sub-chamber and the sixth fermentation sub-chamber are communicated in a zigzag manner, and the sixth fermentation sub-chamber is not communicated with the first fermentation sub-chamber; the bottom of each fermentation chamber is provided with a sludge discharge pipe, a gas storage chamber is arranged above each fermentation chamber and below the vault of the fermentation chamber, one end of an exhaust pipe is arranged on the vault of the fermentation chamber, and the other end of the exhaust pipe penetrates out of the hydraulic chamber. The fermentation device provided by the invention has the advantages of high fermentation efficiency, good treatment effect, integrated cylindrical main body structure, reasonable structural design, high overall strength and good reliability.

Description

Middle-layer multi-stage baffling automatic water pressure automatic sediment discharging anaerobic fermentation device for scum
Technical Field
The invention belongs to the technical field of livestock and poultry sewage treatment, and particularly relates to an anaerobic fermentation device for automatically discharging sediments from floating slag by multi-stage baffling at a middle layer.
Background
Anaerobic fermentation is an effective treatment means for livestock and poultry sewage and other various organic wastewater, can be recycled for agricultural fertilizer and water integrated irrigation after anaerobic fermentation, and can also generate methane. The biogas is a clean renewable energy source, can generate electricity, supplies fuel gas for residents and the like, and has very important significance for solving the problems of the increasingly forbidden rural livestock and poultry breeding environment non-point source pollution dilemma of China, the urgent need for energy supply transformation to replace disposable fossil energy to realize carbon neutralization and the like.
The hydraulic anaerobic fermentation is the traditional process with the largest application amount in the methane engineering, and comprises a fermentation tank body, a feeding pipe, a discharging pipe, a sealing cover and the like. The feeding pipe and the discharging pipe are usually arranged on two sides of the fermentation tank body, the feeding pipe can be used for adding fermentation raw materials, and the discharging pipe is used for discharging wastes such as biogas slurry and biogas residues generated after fermentation. The hydraulic methane tank has the defects that the pressure of the methane in the methane tank is unstable, the fluctuation is large, and the methane is not beneficial to utilization, so that the methane utilization rate is reduced. The storage space of the methane is small, especially the sludge of the methane tank with larger diameter is easy to accumulate at the bottom of the methane tank, the fermentation liquid after fermentation stops at two sides to form invalid volume, and the fermentation efficiency of the methane tank is seriously influenced. In addition, the feeding and discharging parts of the methane tank are arranged on two sides of the fermentation tank, the integral structure is not good, and certain parts are broken due to the influence of load.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an anaerobic fermentation device for automatically discharging sediments from floating slag by middle-layer multi-stage baffling automatic water pressure. Can be at reinforced in-process make-up water above the internal dross of fermentation cylinder every day, realize automatic water pressure dross and accelerate the degradation of dross, fermentation efficiency is improved, and simultaneously, separate into a plurality of locuses with the fermentation room, only middle level clear solution baffling between the locuses, upper dross and lower floor's dross do not flow, treatment effect has been improved, automatic row's dross when also can reinforced every day, furthermore, adopt cylindrical monolithic structure, all set up business turn over material pipe and manhole in cylindrical inside, it is whole to make the fermentation cylinder form a cylinder completely, the stress intensity has been increased, the fracture at convex position has been avoided, service life is prolonged.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the middle-layer multi-stage baffling automatic water pressure anaerobic fermentation device for automatically discharging the scum and the scum comprises a fermentation tank body, wherein a vault of a fermentation chamber is arranged in the fermentation tank body, the fermentation tank body is divided into an upper part and a lower part, the upper part is a water pressure chamber, and the lower part is the fermentation chamber; the fermentation chamber is vertically provided with 6 partition boards by taking the circle center as the center in a radial mode, the fermentation chamber is divided into 6 fan-shaped fermentation branch chambers, the lower part of the first fermentation branch chamber is connected with a feeding pipe, the sixth fermentation branch chamber is connected with a discharging pipe, the first fermentation branch chamber is communicated with the sixth fermentation branch chamber in a zigzag mode, and the sixth fermentation branch chamber is not communicated with the first fermentation branch chamber; the bottom of each fermentation chamber is provided with a sludge discharge pipe, a gas storage chamber is arranged above each fermentation chamber and below the vault of the fermentation chamber, one end of an exhaust pipe is arranged on the vault of the fermentation chamber, and the other end of the exhaust pipe penetrates out of the hydraulic chamber.
Furthermore, communication ports are sequentially arranged on the partition plates between the fermentation subchambers in an up-and-down staggered manner, wherein first communication ports are formed in the middle upper parts of the partition plates between the first fermentation subchamber and the second fermentation subchamber, between the third fermentation subchamber and the fourth fermentation subchamber, and between the fifth fermentation subchamber and the sixth fermentation subchamber; and second communicating ports are formed in the middle lower parts of the partition plates between the second fermentation subchamber and the third fermentation subchamber and between the fourth fermentation subchamber and the fifth fermentation subchamber.
Furthermore, an outlet at the upper end of the discharge pipe is flush with the highest liquid level in the fermentation chamber, the lower end of the discharge pipe is positioned at 1/2 of the fermentation chamber, a small part of liquid is divided by a three-way pipe at a position 1000mm away from the lower end and flows onto the scum of each fermentation chamber, and automatic hydraulic pressure scum is realized during each feeding.
Furthermore, each fermentation chamber is connected with 1 communicating pipe which passes through the vault of the fermentation chamber, the upper end of each communicating pipe is 200mm higher than the vault of the fermentation chamber, and the lower end of each communicating pipe is positioned in the middle of the fermentation chamber, so that liquid materials of the fermentation chamber are communicated with liquid materials of the hydraulic chamber when gas is generated and used.
Furthermore, the distance from the top end of the vertical partition board between the fermentation subchambers to the highest point of the inner wall of the vault of the fermentation chamber is 500mm, so that the biogas generated by the fermentation subchambers is communicated and discharged from the exhaust pipe.
Furthermore, manholes are arranged on the outer sides of the fermentation sub-chambers.
Furthermore, the upper part of the hydraulic pressure chamber is connected with an overflow port.
The invention has the beneficial effects that:
1. can automatically supplement water to the upper surface of the scum in the fermentation tank every day, realize that the scum is automatically pressed to accelerate the degradation of the scum, and improve the fermentation efficiency.
2. The fermentation chamber is divided into a plurality of sub-chambers, only the middle layer clear liquid is baffled between the sub-chambers, the upper layer floating slag and the lower layer sediment do not flow, the treatment efficiency is improved, the treatment effect is good, and the treatment effect is basically close to the discharge standard of livestock and poultry.
3. Automatically discharging sediments every day when feeding.
4. The structure is integrated, the stress is better, and the service life is longer.
5. The operation is convenient and fast.
6. Compact structure and land saving.
Drawings
FIG. 1 is a first cross-sectional view of the apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of the apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the fermentation chamber of the device of the present invention.
Wherein: 1. a fermentation tank body; 2. a feeding pipe; 3. a fermentation chamber; 4. a manhole; 5. the liquid level of the fermentation chamber; 6. a discharge pipe; 7. an exhaust pipe; 8. an air reservoir; 9. the liquid level of the hydraulic chamber; 10. a water pressure chamber; 11. the vault of the fermentation chamber; 12. a communicating pipe; 13. a first communication port; 14. a second communication port; 15. sludge draining pipes; 16. a partition plate; 17. an overflow port; 18. a first fermentation subchamber; 19. a second fermentation chamber; 20. a third fermentation chamber; 21. a fourth fermentation chamber; 22. a fifth fermentation chamber; 23. and a sixth fermentation chamber.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined by the appended claims, and all changes that can be made by the invention using the inventive concept are intended to be protected.
Examples
Referring to fig. 1-3, a middle-layer multi-stage baffling automatic water pressure scum automatic sediment removal anaerobic fermentation device comprises a fermentation tank body 1, wherein a fermentation chamber vault 11 is arranged in the fermentation tank body 1, the fermentation tank body 1 is divided into an upper part and a lower part, the upper part is a water pressure chamber 10, and the lower part is a fermentation chamber 3; the fermentation chamber 3 is internally provided with 6 partition boards 16 which are vertically arranged in a radial manner by taking the circle center as the center and divide the fermentation chamber 3 into 6 fan-shaped fermentation sub-chambers, wherein the lower part of the first fermentation sub-chamber 18 is connected with a feeding pipe 2, the sixth fermentation sub-chamber 23 is connected with a discharging pipe 6, the upper end outlet of the discharging pipe 6 is level with the highest liquid level in the fermentation chamber 3, the lower end is positioned at 1/2 of the fermentation chamber 3, a small part of liquid flows onto the scum of each fermentation sub-chamber by a three-way pipe at the position 1000mm away from the lower end, and the scum is automatically pressed when in charging each time.
The first fermentation subchamber 18 to the sixth fermentation subchamber 23 are communicated in a zigzag mode, and the sixth fermentation subchamber 23 is not communicated with the first fermentation subchamber 18; communication ports are sequentially arranged on the partition boards 16 among the fermentation sub-chambers in an up-and-down staggered manner, wherein the first communication port 13 is arranged at the middle upper part of the partition board 16 among the first fermentation sub-chamber 18, the second fermentation sub-chamber 19, the third fermentation sub-chamber 20, the fourth fermentation sub-chamber 21, the fifth fermentation sub-chamber 22 and the sixth fermentation sub-chamber 23; and a second communicating port 14 is arranged at the middle lower part of the partition board 16 between the second fermentation subchamber 19 and the third fermentation subchamber 20, and between the fourth fermentation subchamber 21 and the fifth fermentation subchamber 22.
Each fermentation chamber is connected with 1 communicating pipe 12 which passes through the arch crown 11 of the fermentation chamber, the upper end of each communicating pipe is 500mm higher than the arch crown of the fermentation chamber, and the lower end of each communicating pipe is positioned in the middle of the fermentation chamber 3, so that liquid materials of the fermentation chamber 3 are communicated with liquid materials of the hydraulic chamber 10 when gas is generated and used. The bottom of each fermentation chamber is provided with a sludge discharge pipe 15, a gas storage chamber 8 is arranged above each fermentation chamber and below the vault 11 of the fermentation chamber, the vault 11 of the fermentation chamber is provided with one end of a gas exhaust pipe 7, and the other end of the gas exhaust pipe 7 penetrates through the hydraulic chamber 10. The distance from the top end of the vertical partition plate 16 between the fermentation subchambers to the highest point of the inner wall of the vault 11 of the fermentation chamber is 500mm, so that the biogas generated by the fermentation subchambers is communicated and discharged from the exhaust pipe 7. The outer side of each fermentation chamber is provided with a manhole 4. An overflow port 17 is connected to the upper portion of the hydraulic chamber 10.
Feeding and discharging processes:
the feeding pump pumps the fermentation raw material into the feeding pipe 2 to enter the lower part of the first fermentation subchamber 18 for feeding, each fermentation subchamber is divided into a closed space by the partition plate 16, only the first communication port 13 and the second communication port 14 are communicated with each other, when the material liquid is newly added into the lower part of the first fermentation subchamber 18, the material liquid on the upper part of the first fermentation subchamber 18 is pushed to the upper part of the second fermentation subchamber 19 through the first communication port 13, the material liquid on the lower part of the second fermentation subchamber 19 is pushed to the lower part of the third fermentation subchamber 20 through the second communication port 14, the material liquid is pushed and baffled in sequence in a staggered way until the material liquid flows to the sixth fermentation subchamber 23, clear material in the middle part is discharged from the discharge pipe 6, and a small part of the clear material liquid is separated to flow to the upper part of scum, so that the scum is automatically pressed, the scum degradation speed is improved, and simultaneously, the scum is automatically discharged from the sludge discharge pipe 15. Thereby completing the whole process of feeding and discharging.
Gas production and gas utilization processes:
the fermentation raw material is subjected to anaerobic fermentation in the fermentation chamber 3, the exhaust pipe 7 is closed, and along with the fermentation process, the generated methane is stored in the gas storage chamber 8, and the produced methane is more and more generated along with the time extension, so that the air pressure in the gas storage chamber 8 is increased, the feed liquid in the fermentation chamber 3 is pressed to rise to the water pressure chamber 10 through the communicating pipe 12, the liquid level 5 of the fermentation chamber is gradually reduced, the liquid level 9 of the water pressure chamber is gradually increased, and the liquid level difference is formed, namely the methane pressure at the moment. In the process of gas utilization, the exhaust pipe 7 is opened, the methane in the gas storage chamber 8 is discharged and utilized under the action of the methane pressure, meanwhile, the feed liquid in the water pressure chamber 10 flows back into the fermentation chamber 3 through the communicating pipe 12, the liquid level 5 of the fermentation chamber gradually rises along with the gas utilization process, the liquid level 9 of the water pressure chamber gradually falls, the methane pressure gradually decreases until the methane pressure decreases and does not meet the requirements of gas utilization equipment, the valve of the exhaust pipe 7 is closed, and the residual methane is not discharged. The gas production and gas utilization processes are completed.
Maximum pressure protection state:
when the exhaust pipe 7 is blocked, the methane can not be discharged, the produced methane quantity is increased along with the proceeding of the anaerobic fermentation process in the fermentation chamber 3, so that the pressure of the air pressure is increased to lower the liquid level 5 of the fermentation chamber, the liquid material in the fermentation chamber 3 is raised to the water pressure chamber 10 through the communicating pipe 12, the liquid level 9 of the water pressure chamber is raised until the height of the overflow port 17 is unchanged, the continuously raised liquid material flows out from the overflow port 17, the liquid level difference is increased, namely the methane pressure in the tank is increased, so that the water level of the fermentation chamber 3 is reduced, when the water level of the fermentation chamber 3 is lowered to the lower edge of the manhole 4, the methane overflows, the water level of the fermentation chamber 3 can not be lowered continuously, the methane pressure is not raised any more, and the safety of the fermentation tank body 1 is protected.
Compared with the traditional fermentation device, the automatic hydraulic pressure scum fermentation device has the advantages that the automatic hydraulic pressure scum fermentation device can perform anaerobic fermentation on the scum automatically, thereby being beneficial to accelerating the degradation of the scum and improving the fermentation efficiency; in the fermentation process, the middle layer performs multi-stage baffling, and the clear fermentation liquid in the middle layer overflows, so that the water outlet quality is improved, the biogas slurry can be directly irrigated in a water and fertilizer integrated manner without being filtered, and spray and drippers are not blocked; will advance, discharging pipe and communicating pipe 12 are installed on 1 inside wall of the fermentation tank body, also set up manhole 4 in the fermentation tank body 1, make the fermentation tank body 1 form a cylindrical overall structure, have realized that the structure is holistic, and the atress is better, and the life-span is longer.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. An anaerobic fermentation device for automatically discharging sediment of scum by multi-stage baffling automatic water pressure in the middle layer comprises a fermentation tank body (1), and is characterized in that a fermentation chamber vault (11) is arranged in the fermentation tank body (1), the fermentation tank body (1) is divided into an upper part and a lower part, the upper part is a water pressure chamber (10), and the lower part is a fermentation chamber (3); the fermentation chamber (3) is internally and vertically provided with 6 partition plates (16) in a radial manner by taking the circle center as the center, the fermentation chamber (3) is divided into 6 fan-shaped fermentation sub-chambers, wherein the lower part of the first fermentation sub-chamber (18) is connected with a feeding pipe (2), the sixth fermentation sub-chamber (23) is connected with a discharging pipe (6), the first fermentation sub-chamber (18) is communicated with the sixth fermentation sub-chamber (23) in a vertically zigzag manner, and the sixth fermentation sub-chamber (23) is not communicated with the first fermentation sub-chamber (18); the bottom of each fermentation chamber is provided with a sludge discharge pipe (15), a gas storage chamber (8) is arranged above each fermentation chamber and below the vault (11) of each fermentation chamber, one end of an exhaust pipe (7) is arranged on the vault (11) of each fermentation chamber, and the other end of each exhaust pipe (7) penetrates through the hydraulic chamber (10).
2. The middle-layer multi-stage baffled automatic hydraulic scum sediment anaerobic fermentation device capable of automatically discharging sediment and sediment as claimed in claim 1, wherein the partition plates (16) between the fermentation subchambers are sequentially provided with communication ports in an up-and-down staggered manner, wherein the middle upper parts of the partition plates (16) between the first fermentation subchamber (18) and the second fermentation subchamber (19), between the third fermentation subchamber (20) and the fourth fermentation subchamber (21), and between the fifth fermentation subchamber (22) and the sixth fermentation subchamber (23) are provided with first communication ports (13); and a second communicating opening (14) is formed in the middle lower part of the partition plate (16) between the second fermentation subchamber (19) and the third fermentation subchamber (20) and between the fourth fermentation subchamber (21) and the fifth fermentation subchamber (22).
3. The middle-layer multi-stage baffling automatic hydraulic scum discharging sediment anaerobic fermentation device as claimed in claim 1, wherein the upper outlet of the discharging pipe (6) is flush with the highest liquid level in the fermentation chamber (3), the lower end is positioned at 1/2 of the fermentation chamber (3), and a small part of liquid flows onto the scum of each fermentation chamber through a three-way pipe at a position 1000mm away from the lower end, so that automatic hydraulic scum discharging is realized during each feeding.
4. The middle-layer multi-stage baffling automatic hydraulic scum sediment anaerobic fermentation device according to claim 1, wherein each fermentation chamber is connected with 1 communicating pipe (12) penetrating through the arch crown (11) of the fermentation chamber, the upper end of each communicating pipe is 200mm higher than the arch crown (11) of the fermentation chamber, and the lower end of each communicating pipe is positioned in the middle of the fermentation chamber (3), so that liquid materials of the fermentation chamber (3) are communicated with liquid materials of the hydraulic chamber (10) during gas production and gas utilization.
5. The middle-layer multi-stage baffling automatic hydraulic scum sediment anaerobic fermentation device as claimed in claim 1, wherein the distance from the top end of the vertical partition (16) between the fermentation subchambers to the highest point of the inner wall of the vault (11) of the fermentation chamber is 500mm, so that the biogas generated by each fermentation subchamber is communicated and discharged from the exhaust pipe (7).
6. The middle-layer multi-stage baffling automatic hydraulic scum automatic sediment discharge anaerobic fermentation device as claimed in claim 1, wherein the outer side of each fermentation chamber is provided with a manhole (4).
7. The middle-layer multi-stage baffled automatic hydraulic scum sediment anaerobic fermentation device for removing sediment automatically as claimed in claim 6, wherein the upper part of the hydraulic chamber (10) is connected with an overflow port (17).
CN202211262256.0A 2022-10-14 2022-10-14 Middle-layer multi-stage baffling automatic water pressure automatic sediment discharging anaerobic fermentation device for scum Pending CN115448452A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57153794A (en) * 1981-03-18 1982-09-22 Matsushita Electric Works Ltd Methane fermenting vat
CN2820871Y (en) * 2005-06-22 2006-09-27 王志民 Self circulation mathane tank
CN204162707U (en) * 2014-09-29 2015-02-18 叶荣喜 A kind of unpowered from stirring broken shell anaerobic ferment devices
CN105273990A (en) * 2015-12-01 2016-01-27 广西壮族自治区林业科学研究院 Biogas tank for treating rural organic refuses
CN214694146U (en) * 2021-04-15 2021-11-12 河北诚至阳普新能源科技有限公司 Improved generation fast gas production anaerobism pond

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57153794A (en) * 1981-03-18 1982-09-22 Matsushita Electric Works Ltd Methane fermenting vat
CN2820871Y (en) * 2005-06-22 2006-09-27 王志民 Self circulation mathane tank
CN204162707U (en) * 2014-09-29 2015-02-18 叶荣喜 A kind of unpowered from stirring broken shell anaerobic ferment devices
CN105273990A (en) * 2015-12-01 2016-01-27 广西壮族自治区林业科学研究院 Biogas tank for treating rural organic refuses
CN214694146U (en) * 2021-04-15 2021-11-12 河北诚至阳普新能源科技有限公司 Improved generation fast gas production anaerobism pond

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
申丘澈: "《污水污泥处理》", 中国建筑工业出版社, pages: 162 - 163 *

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