CN116555004B - Straw biogas fermentation tank - Google Patents

Straw biogas fermentation tank Download PDF

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Publication number
CN116555004B
CN116555004B CN202310841154.2A CN202310841154A CN116555004B CN 116555004 B CN116555004 B CN 116555004B CN 202310841154 A CN202310841154 A CN 202310841154A CN 116555004 B CN116555004 B CN 116555004B
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Prior art keywords
rod
pulling rod
cavity
plate
sliding
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CN116555004A (en
Inventor
闫茂鲁
唐龙翔
宋学文
孙艳
陈志宏
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Shandong Ecological Home Environmental Protection Co ltd
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Shandong Ecological Home Environmental Protection Co ltd
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/02Form or structure of the vessel
    • C12M23/18Open ponds; Greenhouse type or underground installations
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Clinical Laboratory Science (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The invention relates to the field of fermentation tanks, in particular to a straw biogas fermentation tank, which comprises a tank body, wherein a cover plate is arranged at an upper end port of the tank body, a fixed ring is fixedly arranged on the inner wall of the tank body, a spiral rail is arranged on the inner wall of the fixed ring, floating blocks are coaxially arranged on the inner side of the fixed ring, a plurality of guide plates which are annularly arranged on the upper surface of the floating blocks near the edge are fixedly arranged, the end part of each guide plate is fixedly connected with a sliding block, and the sliding blocks are in sliding fit with the spiral rail; in the maintenance of the fermentation tank, the invention can conveniently pull out the caked scum at one time, thereby facilitating the salvage of the scum and improving the convenience and efficiency of the maintenance.

Description

Straw biogas fermentation tank
Technical Field
The invention relates to the field of fermentation tanks, in particular to a straw biogas fermentation tank.
Background
Straw biogas is a combustible gas produced by anaerobic fermentation of microorganisms under strict anaerobic environment and certain temperature, moisture, pH value and other conditions by using biogas equipment and crop straw as a main raw material. In the fermentation of the straw biogas digester, part of light fermentation raw materials can float to the liquid level and gather under the drive of floating biogas bubbles, and along with the continuous increase of floating scum and dehydration, drying and hardening of the scum, hard crust is formed, the easily-decomposed raw materials are gradually consumed, the biogas production efficiency of the biogas digester is reduced, and the residual solid matters which are difficult to decompose become biogas residues to be deposited at the bottom of the biogas digester.
In the fermentation process, the annual knot shell thickness of the straw biogas digester can reach 25-35cm under the condition of normal temperature, the shell can bear 70kg of mass without damage, and the gas production efficiency in the fermentation of the straw biogas digester can be attenuated due to the existence of the floating shell, so that the biogas digester needs to be maintained regularly, and the following steps are often needed in the maintenance of the tank body: the middle position of the broken floating shell, the sediment salvaging, the floating shell sinking and then the comprehensive breaking, and the inner side slag salvaging, so that the problem of the attenuation of fermentation gas production gradually occurs due to the floating shell formed by the scum in the fermentation process, and the problem of quite inconvenient maintenance of the fermentation tank is caused by the existence of the floating shell.
Disclosure of Invention
The invention aims to solve the defects in the background art and provides a straw biogas fermentation tank.
In order to achieve the above purpose, the invention adopts the following technical scheme: a straw biogas fermentation tank comprises a tank body, wherein a cover plate is arranged at an upper end port of the tank body, a fixed ring is fixedly arranged on the inner wall of the tank body, a spiral rail is arranged on the inner wall of the fixed ring, floating blocks are coaxially arranged on the inner side of the fixed ring, a plurality of guide plates distributed in an annular array are fixedly arranged on the upper surface of each floating block close to the edge, a sliding block is fixedly connected to the end part of each guide plate, the sliding blocks are in sliding fit with the spiral rail, a coaxial pulling rod is inserted on the upper surface of each floating block, the upper end of each pulling rod slides through the cover plate, a first screen plate with the same number as the guide plates is fixedly connected to the outer surface of each pulling rod close to the lower end, a connecting rod is rotationally connected to the corner of each first screen plate, a grid mechanism is arranged at one end of each connecting rod, and the grid mechanism is in sliding fit with the upper edges of the guide plates;
the floating block floats on the liquid level of the liquid at the inner side of the tank body;
the pulling rod is lifted and separated from the floating block, the grid mechanism slides along the surface of the guide plate and is close to the pulling rod, and the grid mechanism is lifted out of the port at the upper end of the pool body after being separated from the guide plate.
Preferably, the upper surfaces of the guide plates are fixedly connected with connecting frames together, limit grooves with the same number as the first screen plates are formed in the inner walls of the connecting frames, and the edges of the first screen plates are inserted into the inner sides of the limit grooves in a sliding manner.
Preferably, the outer surface of the pulling rod is close to the lower end and is rotatably sleeved with a connecting cylinder, and the side edge of the first screen plate is fixedly connected with the outer surface of the connecting cylinder.
Preferably, the edge of the connecting frame is provided with a movable opening corresponding to the end part of each connecting rod, the inner wall of the movable opening is provided with an inclined blocking surface, the upper surface of the first screen plate is fixedly provided with a connecting seat close to the corner, and the side surface of the connecting seat is rotationally connected with the end part of the connecting rod through a first rotating shaft.
Preferably, the grid mechanism comprises a sleeve seat which is in sliding connection with the upper edge of the guide plate, an extension plate is fixedly arranged on the lower surface of the sleeve seat, a second screen plate is fixedly arranged on the inner side of the extension plate, and one end of the connecting rod is rotationally connected with the corner of the sleeve seat through a second rotating shaft.
Preferably, the upper edge of the guide plate is provided with a collapse groove, one side wall of the collapse groove is fixedly connected with a penetrating rod, the end part of the penetrating rod is spaced from the other side wall of the collapse groove, the surface of the sleeve seat is provided with a sleeve opening in a penetrating mode, one end of the sleeve opening is provided with a reserved opening, and the sleeve opening is arranged on the outer surface of the penetrating rod in a sliding sleeve mode.
Preferably, a locking block is fixedly arranged at the lower end of the pulling rod, a columnar cavity is formed in the upper surface of the floating block, an inserting cavity and a rotating cavity are formed in the inner wall of the columnar cavity, and the rotating cavity is connected with the lower end of the inserting cavity;
when the pulling rod is inserted into the columnar cavity, the locking block is inserted downwards along the inner side of the inserting cavity, and then when the pulling rod rotates, the locking block rotates along the inner side of the rotating cavity.
Preferably, the tank body further comprises a feeding pipe and a discharging pipe which are fixedly arranged on the surfaces of the two sides and close to the lower end, a feeding room is fixedly arranged at the upper end of the feeding pipe, a water pressure room is fixedly arranged at the upper end of the discharging pipe, and an air outlet pipe penetrates through the upper surface of the cover plate.
Preferably, the two end surfaces of the sliding block are respectively provided with a beveling end.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can be added into raw materials in straw fermentation, a feeding room and a water pressure room for discharging, when the liquid level changes, the scum on the liquid level at the inner side is collected at the first screen plate or the second screen plate in a concentrated way, so as to ensure normal gas production in fermentation and be beneficial to normal passing of fermentation;
2. in the maintenance of the fermentation tank, the invention can conveniently pull out the caked scum at one time, thereby facilitating the salvage of the scum and improving the convenience and efficiency of the maintenance.
Drawings
FIG. 1 is a schematic diagram of a straw biogas digester;
FIG. 2 is a cross-sectional view of a straw biogas digester according to the invention;
FIG. 3 is a schematic view of a partial structure of a straw biogas digester according to the present invention;
FIG. 4 is an enlarged view of the straw biogas digester of the present invention at A in FIG. 3;
FIG. 5 is a schematic view of a floating block and a guide plate of a straw biogas digester according to the present invention;
FIG. 6 is an enlarged view of the straw biogas digester of the present invention at B in FIG. 5;
FIG. 7 is a schematic view of a straw biogas digester at a first screen and a second screen;
FIG. 8 is an enlarged view of FIG. 7C of a straw biogas digester according to the present invention;
FIG. 9 is a state diagram of the straw biogas digester of the present invention when the schematic diagram at the first screen and the second screen is lifted;
FIG. 10 is a schematic diagram of a grid mechanism of a straw biogas digester according to the present invention;
FIG. 11 is a schematic view of a grid mechanism of a straw biogas digester according to another embodiment of the invention;
FIG. 12 is a schematic view of a stationary ring of a straw biogas digester according to the invention;
FIG. 13 is a schematic view of a locking piece of a straw biogas digester;
FIG. 14 is a schematic view of a rotary cavity of a straw biogas digester;
FIG. 15 is a schematic view of a straw biogas digester at the insertion cavity;
1. a cell body; 2. a fixing ring; 3. a spiral track; 4. a floating block; 5. a guide plate; 6. a slide block; 7. a beveled end; 8. a connection frame; 9. a limit groove; 10. a first screen; 11. a connecting seat; 12. a first rotating shaft; 13. a connecting rod; 14. a sleeve seat; 15. a second rotating shaft; 16. an extension plate; 17. a second screen; 18. sleeving the mouth; 19. reserving a port; 20. a collapse groove; 21. penetrating the rod; 22. a movable opening; 23. an inclined blocking surface; 24. a connecting cylinder; 25. a pulling rod; 26. a locking piece; 27. a columnar cavity; 28. inserting a cavity; 29. a rotating chamber; 30. a cover plate; 31. an air outlet pipe; 32. a feed pipe; 33. a feeding room; 34. a discharge pipe; 35. and a hydraulic pressure room.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The straw biogas fermentation tank shown in fig. 1-15 comprises a tank body 1, wherein a cover plate 30 is arranged at the port of the upper end of the tank body 1, a fixed ring 2 is fixedly arranged on the inner wall of the tank body 1, a spiral rail 3 is arranged on the inner wall of the fixed ring 2, floating blocks 4 are coaxially arranged on the inner side of the fixed ring 2, a plurality of guide plates 5 which are annularly arranged are fixedly arranged at the position, close to the edge, of the upper surface of each floating block 4, a sliding block 6 is fixedly connected with the end of each guide plate 5, the sliding blocks 6 are in sliding fit with the spiral rail 3, a coaxial pulling rod 25 is inserted on the upper surface of each floating block 4, the upper end of the pulling rod 25 penetrates through the cover plate 30 in a sliding manner, a first screen plate 10 which is equal to the guide plates 5 in number is fixedly connected to the position, close to the lower end of the outer surface of the pulling rod 25, a connecting rod 13 is rotatably connected at the corner of the first screen plate 10, one end of the connecting rod 13 is provided with a grid mechanism, and the grid mechanism is in sliding connection with the upper edge of the guide plates 5;
the floating block 4 floats on the liquid level of the liquid inside the tank body 1; the floating block 4 is made of plastic materials, and is designed in an inner side central control manner, so that the floating block can float upwards, as shown in fig. 6, the lower edge of the guide plate 5 is positioned below a plane where the upper surface of the floating block 4 is positioned, and the buoyancy design of the floating block 4 is required to meet the requirement that the lower edge of the guide plate 5 can contact the water surface.
The pulling rod 25 is lifted and separated from the floating block 4, the grid mechanism slides along the surface of the guide plate 5 and is close to the pulling rod 25, and the grid mechanism is lifted out of the upper end port of the pool body 1 after being separated from the guide plate 5.
The upper surfaces of the guide plates 5 are fixedly connected with connecting frames 8, limit grooves 9 which are the same as the first screen plates 10 in number are formed in the inner walls of the connecting frames 8, edges of the first screen plates 10 are slidably inserted into the inner sides of the limit grooves 9, and therefore synchronous rotation of the first screen plates 10 and the guide plates 5 can be guaranteed, and accordingly floating slag can be guaranteed to flow to the surfaces of the first screen plates 10 in rotation.
As shown in fig. 13-15, the floating block 4 in fig. 14 and 15 is partially drawn, a connecting cylinder 24 is rotatably sleeved on the outer surface of the pulling rod 25 near the lower end, and the side edge of the first screen plate 10 is fixedly connected with the outer surface of the connecting cylinder 24. A locking block 26 is fixedly arranged at the lower end of the pulling rod 25, a columnar cavity 27 is formed in the upper surface of the floating block 4, an inserting cavity 28 and a rotating cavity 29 are formed in the inner wall of the columnar cavity 27, and the rotating cavity 29 is connected with the lower end of the inserting cavity 28; when the pulling rod 25 is inserted down into the cylindrical cavity 27, the lock piece 26 is inserted down along the inner side of the insertion cavity 28, and then when the pulling rod 25 is rotated, the lock piece 26 is rotated along the inner side of the rotation cavity 29. The design can prevent the first screen 10 from moving upwards relative to the floating block 4 after the surface of the first screen 10 is adhered with excessive scum.
As shown in fig. 6, a movable opening 22 is formed at the edge of the connecting frame 8 corresponding to the end of each connecting rod 13, a position is reserved for rotation of the connecting rod 13, an inclined blocking surface 23 is formed on the inner wall of the movable opening 22, a connecting seat 11 is fixedly mounted on the upper surface of the first screen 10 near a corner, and the side surface of the connecting seat 11 is rotationally connected with the end of the connecting rod 13 through a first rotating shaft 12.
As shown in fig. 10 and 11, the grid mechanism comprises a sleeve seat 14 which is in sliding connection with the upper edge of the guide plate 5, an extension plate 16 is fixedly arranged on the lower surface of the sleeve seat 14, a second screen plate 17 is fixedly arranged on the inner side of the extension plate 16, and one end of the connecting rod 13 is rotatably connected with the corner of the sleeve seat 14 through a second rotating shaft 15.
As shown in fig. 4 and 5, a collapse slot 20 is formed on the upper edge of the guide plate 5, a penetrating rod 21 is fixedly connected to one side wall of the collapse slot 20, a distance is reserved between the end of the penetrating rod 21 and the other side wall of the collapse slot 20, a sleeve opening 18 is formed on the surface of the sleeve seat 14 in a penetrating manner, a reserved opening 19 is formed at one end of the sleeve opening 18, the reserved opening 19 ensures that the sleeve seat 14 can slide to the end position of the guide plate 5, and the sleeve opening 18 is slidably sleeved on the outer surface of the penetrating rod 21.
As shown in fig. 1 and 2, the tank body 1 further includes a feed pipe 32 and a discharge pipe 34 fixedly installed on two side surfaces and close to the lower end, a feed room 33 is fixedly installed at the upper end of the feed pipe 32 for adding raw materials, a hydraulic room 35 is fixedly installed at the upper end of the discharge pipe 34, functions of balancing air pressure and discharging inside the tank body 1 are provided, and the tank body is of the prior art, however, the upper surface of the cover plate 30 is provided with an air outlet pipe 31 in a penetrating manner, the cover plate 30 and an upper end port of the tank body 1 can be installed in a threaded fit manner or a bolt reinforcement manner, and the following manner is generally adopted during later sealing: on the basis of priming sealing treatment by using lime and cement mortar, secondary brushing is carried out by using sealing paint, wherein the specific installation mode is the prior art and is not repeated.
As shown in fig. 3 and 4, the two end surfaces of the slide block 6 are respectively provided with a chamfer end 7, and the chamfer end 7 is used for ensuring that the slide block 6 moves more smoothly and is not easy to be blocked by scum standing on the inner wall of the pool body 1.
In the fermentation in the tank body 1, the surface of the liquid can accumulate scum, meanwhile, in the fermentation, the feeding room 33 is added into the raw material, and the discharging is carried out in the water pressure room 35, the liquid level of the liquid at the inner side of the tank body 1 can change, at the moment, the floating block 4 is lifted simultaneously along with the change of the liquid level, the sliding block 6 slides along the inner side of the spiral rail 3 in the lifting process, the guide plate 5 rotates, the rotating direction of the guide plate 5 is opposite in the lifting and descending processes, one steering can enable the scum to move towards the first screen plate 10 when sliding along the surface of the guide plate 5 relatively, the other steering can enable the scum to move towards the second screen plate 17, the two moving modes enable the scum to be converged on the surface of the first screen plate 10 or the second screen plate 17, and after the scum is dried and hardened, the cover plate is adhered to the surface of the first screen plate 10 or the second screen plate 17, after the cover plate 30 is opened, the cover plate is rotated and then lifted to draw the rod 25, the locking piece 26 is rotated along the inner side of the rotating cavity 29 and then is lifted along the inner side of the inserting cavity 28 to continuously lift the drawing rod 25, the first screen plate 10 slides up along the inner side of the limiting groove 9 until the first screen plate is separated, the connecting rod 13 simultaneously rotates by taking the first rotating shaft 12 as an axis, the sleeve seat 14 rotates by taking the second rotating shaft 15 as an axis relative to the connecting rod 13, simultaneously the sleeve seat 14 slides along the surface of the penetrating rod 21, the side edge of the connecting rod 13 is propped against the inclined blocking surface 23, finally, as shown in fig. 9, the second screen plate 17 and the first screen plate 10 which are mutually closed are jointly taken out from the upper end port of the pool body 1, namely, scum is taken out, and the later cleaning is also facilitated.
When the scum is cleaned, the pulling rod 25 is lowered to align each sleeve seat 14 with the interval between the penetrating rod 21 and the side wall of the collapsing groove 20, the sleeve seat 14 slides along the surface of the penetrating rod 21 when being lowered, the connecting rod 13 rotates relative to the second rotating shaft 15 and the first rotating shaft 12 along with the lowering, then the first screen 10 is inserted back to the inner side of the limiting groove 9 again, then the pulling rod 25 is rotated again, the locking piece 26 rotates along the rotating cavity 29, and finally the cover plate 30 is covered.
The foregoing has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The utility model provides a straw marsh gas fermentation vat, includes cell body (1), and apron (30) are installed to upper end port department of cell body (1), its characterized in that: the inner wall of the pool body (1) is fixedly provided with a fixed ring (2), the inner wall of the fixed ring (2) is provided with a spiral rail (3), the inner side of the fixed ring (2) is coaxially provided with a floating block (4), the upper surface of the floating block (4) is fixedly provided with a plurality of guide plates (5) which are distributed in an annular array manner near the edge, the end part of each guide plate (5) is fixedly connected with a sliding block (6), the sliding blocks (6) are in sliding fit with the spiral rail (3), the upper surface of the floating block (4) is inserted with a coaxial pulling rod (25), the upper end of the pulling rod (25) slides through a cover plate (30), the outer surface of the pulling rod (25) is fixedly connected with a first screen plate (10) which is in quantity of the same as the guide plates (5) near the lower end, the corner of the first screen plate (10) is rotationally connected with a connecting rod (13), one end of the connecting rod (13) is provided with a grid mechanism, and the grid mechanism is in sliding insertion with the upper edge of the guide plate (5).
The floating block (4) floats on the liquid level of the liquid inside the tank body (1);
the pulling rod (25) is lifted and separated from the floating block (4), the grid mechanism slides along the surface of the guide plate (5) and is close to the pulling rod (25), and the grid mechanism is lifted out from the port at the upper end of the pool body (1) after being separated from the guide plate (5);
the upper surfaces of the guide plates (5) are fixedly connected with connecting frames (8), limit grooves (9) with the same number as the first screen plates (10) are formed in the inner walls of the connecting frames (8), and the edges of the first screen plates (10) are slidably inserted into the inner sides of the limit grooves (9);
the connecting cylinder (24) is rotatably sleeved on the outer surface of the pulling rod (25) close to the lower end, and the side edge of the first screen plate (10) is fixedly connected with the outer surface of the connecting cylinder (24);
a movable opening (22) is formed in the edge of the connecting frame (8) corresponding to the end part of each connecting rod (13), an inclined blocking surface (23) is formed in the inner wall of the movable opening (22), a connecting seat (11) is fixedly mounted on the upper surface of the first screen plate (10) close to the corner, and the side surface of the connecting seat (11) is rotationally connected with the end part of the connecting rod (13) through a first rotating shaft (12);
the grid mechanism comprises a sleeve seat (14) which is in sliding connection with the upper side of the guide plate (5), an extension plate (16) is fixedly arranged on the lower surface of the sleeve seat (14), a second screen plate (17) is fixedly arranged on the inner side of the extension plate (16), and one end of the connecting rod (13) is rotationally connected with the corner of the sleeve seat (14) through a second rotating shaft (15);
a collapse groove (20) is formed in the upper edge of the guide plate (5), a penetrating rod (21) is fixedly connected to one side wall of the collapse groove (20), a distance is reserved between the end part of the penetrating rod (21) and the other side wall of the collapse groove (20), a sleeve opening (18) is formed in the surface of the sleeve seat (14) in a penetrating mode, a reserved opening (19) is formed in one end of the sleeve opening (18), and the sleeve opening (18) is sleeved on the outer surface of the penetrating rod (21) in a sliding mode;
a locking block (26) is fixedly arranged at the lower end of the pulling rod (25), a columnar cavity (27) is formed in the upper surface of the floating block (4), an inserting cavity (28) and a rotating cavity (29) are formed in the inner wall of the columnar cavity (27), and the rotating cavity (29) is connected with the lower end of the inserting cavity (28);
when the pulling rod (25) is inserted into the columnar cavity (27), the locking block (26) is inserted downwards along the inner side of the inserting cavity (28), and then when the pulling rod (25) rotates, the locking block (26) rotates along the inner side of the rotating cavity (29).
2. A straw biogas digester as claimed in claim 1, wherein: the pool body (1) further comprises a feeding pipe (32) and a discharging pipe (34) which are fixedly arranged on the two side surfaces and close to the lower end, a feeding room (33) is fixedly arranged at the upper end of the feeding pipe (32), a water pressure room (35) is fixedly arranged at the upper end of the discharging pipe (34), and an air outlet pipe (31) penetrates through the upper surface of the cover plate (30).
3. A straw biogas digester as claimed in claim 1, wherein: both end surfaces of the sliding block (6) are respectively provided with a beveling end (7).
CN202310841154.2A 2023-07-11 2023-07-11 Straw biogas fermentation tank Active CN116555004B (en)

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CN116555004B true CN116555004B (en) 2023-09-19

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116814392B (en) * 2023-08-29 2023-10-31 山东生态家园环保股份有限公司 Organic solid waste anaerobic reaction device

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CN101182460A (en) * 2007-12-03 2008-05-21 高德广 Mobile heating device having shell breaking function inside methane pool and shell breaking method
CN202390433U (en) * 2011-11-30 2012-08-22 山东泰德星火新能源有限公司 Fermentation tank using straw to prepare mixed alcohol
CN110923120A (en) * 2019-12-17 2020-03-27 程绪珍 Solid-liquid separation discharging device for methane tank
CN210287353U (en) * 2019-07-18 2020-04-10 山东生态家园环保股份有限公司 Novel red mud plastic film methane tank
WO2022041774A1 (en) * 2020-08-28 2022-03-03 南京涵曦月自动化科技有限公司 Straw discharging device for biogas digester

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Publication number Priority date Publication date Assignee Title
CN1687389A (en) * 2005-05-08 2005-10-26 史庆贤 High efficient marsh gas tank
CN101182460A (en) * 2007-12-03 2008-05-21 高德广 Mobile heating device having shell breaking function inside methane pool and shell breaking method
CN202390433U (en) * 2011-11-30 2012-08-22 山东泰德星火新能源有限公司 Fermentation tank using straw to prepare mixed alcohol
CN210287353U (en) * 2019-07-18 2020-04-10 山东生态家园环保股份有限公司 Novel red mud plastic film methane tank
CN110923120A (en) * 2019-12-17 2020-03-27 程绪珍 Solid-liquid separation discharging device for methane tank
WO2022041774A1 (en) * 2020-08-28 2022-03-03 南京涵曦月自动化科技有限公司 Straw discharging device for biogas digester

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