CN220116525U - Black film anaerobic fermentation tank - Google Patents
Black film anaerobic fermentation tank Download PDFInfo
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- CN220116525U CN220116525U CN202320798540.3U CN202320798540U CN220116525U CN 220116525 U CN220116525 U CN 220116525U CN 202320798540 U CN202320798540 U CN 202320798540U CN 220116525 U CN220116525 U CN 220116525U
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- fermentation tank
- heat preservation
- anaerobic
- black film
- fermentation
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- 238000000855 fermentation Methods 0.000 title claims abstract description 101
- 230000004151 fermentation Effects 0.000 claims abstract description 81
- 238000004321 preservation Methods 0.000 claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 9
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 description 10
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Fertilizers (AREA)
Abstract
The utility model discloses a black film anaerobic fermentation tank, which comprises a fermentation tank and an anaerobic black film, wherein the anaerobic black film is arranged above the fermentation tank, a water inlet pipe is arranged on the left side of the fermentation tank, a methane outlet pipe is arranged on the right side of the fermentation tank, a slag discharging pipe is arranged below the methane outlet pipe, a lower cushion layer is arranged at the bottom of the inner wall of the fermentation tank, a heat preservation layer is arranged above the lower cushion layer, V-shaped fixing plates are arranged on two sides of the heat preservation layer, an impermeable layer is arranged above the heat preservation layer, and an HDPE geomembrane is paved on the surface of the impermeable layer; the utility model has the advantages of good heat preservation effect, ensuring constant temperature in winter, simple structure, strong practicability, ensuring biogas yield and low input cost.
Description
Technical Field
The utility model relates to the technical field of biogas fermentation, in particular to a black film anaerobic fermentation tank.
Background
Along with the development of economy and social progress in China, the biogas is increasingly applied to daily life and industrial production, the comprehensive utilization of the biogas digester not only can save energy sources, improve and protect the environment, but also has the advantages of saving chemical fertilizers and pesticides, improving the yield and quality of crops, promoting and driving the development of the raising industry and the like, and the anaerobic biological treatment technology has the advantages of small investment, high efficiency, low running cost, no need of stirring and oxygen supply, low power consumption, capability of producing a large amount of biogas containing methane, capability of being used for power generation, household fuel gas, low sludge yield and the like, and is an indispensable treatment technology, and the anaerobic biological treatment technology generally adopts an anaerobic black film to fill and seal the treatment digester in the treatment process of the cultivation wastewater at present so as to recycle the biogas generated in the anaerobic reaction process;
at present, the existing anaerobic fermentation tank is generally used for excavating earthwork at a construction site, HDPE geomembranes are paved in the earthwork, the structure is too simple, biogas generation and fermentation temperature are closely related, the conventional fermentation tank heat-insulating structure cannot meet the normal use requirement in winter, so that the phenomenon that the biogas yield is very low even the phenomenon that the biogas cannot be produced occurs under the cold condition in winter, the expected use effect cannot be achieved, the investment cost is increased due to the fact that a heating device is additionally arranged outside, and therefore, the black membrane anaerobic fermentation tank is provided.
Disclosure of Invention
The utility model aims to provide a black film anaerobic fermentation tank which has good heat preservation effect, simple structure, strong practicability, biogas yield and low input cost, and solves the problems in the prior art.
The above object of the present utility model is achieved by the following technical solutions: the utility model provides a black membrane anaerobic fermentation pond, includes fermentation vat and anaerobic black membrane, its characterized in that: the anaerobic black film is arranged above the fermentation tank, the water inlet pipe is arranged on the left side of the fermentation tank, the biogas outlet pipe is arranged on the right side of the fermentation tank, the slag discharging pipe is arranged below the biogas outlet pipe, the lower cushion layer is arranged at the bottom of the inner wall of the fermentation tank, the heat preservation layer is arranged above the lower cushion layer, the V-shaped fixing plates are arranged on two sides of the heat preservation layer, the impermeable layer is arranged above the heat preservation layer, and the HDPE geomembrane is paved on the surface of the impermeable layer.
The utility model is further provided with: and anchoring grooves are formed in the four sides of the fermentation tank.
Through adopting above-mentioned technical scheme, through adopting the anchor ditch to cover the opening part that sets up in fermentation vat cell body upper end and fermentation vat cell body, fermentation vat bottom of the pool inner wall on and form airtight structure, guarantee the seal that fermentation process goes on.
The utility model is further provided with: the slope of lower bed course and barrier layer meets with ground through connecting portion adaptation, connecting portion position extrusion laminating each other.
Through adopting above-mentioned technical scheme, through the mutual extrusion laminating of lower bed course and the junction position of barrier layer respectively, can effectually strengthen the stability of fermentation vat inner wall structure, prevent the phenomenon of landslide.
The utility model is further provided with: the slag discharging port of the slag discharging pipe is positioned at the bottom of the fermentation tank.
Through adopting above-mentioned technical scheme, can be convenient through the design of scum pipe with the waste residue in the fermentation vat discharge, the natural pond liquid then is used as liquid fertilizer to discharge, accomplishes the processing of waste residue.
The utility model is further provided with: the heat preservation adopts extruded sheet as the heat preservation.
By adopting the technical scheme, the plastic extrusion plate is adopted as the heat preservation layer, so that the plastic extrusion plate has excellent heat preservation and insulation properties, excellent high-strength compression resistance, high-quality moisture resistance, good stability and corrosion resistance while protecting the environment.
The utility model is further provided with: the anaerobic black films are covered on the opening of the upper end of the fermentation tank body and the inner walls of the fermentation tank body and the bottom of the fermentation tank body and form a closed structure through the anchoring grooves.
By adopting the technical scheme, the outside redundant oxygen can be effectively prevented from entering the fermentation tank, and meanwhile, the purity of the methane is ensured.
In summary, the beneficial technical effects of the utility model are as follows:
1. in the use process of the black film anaerobic fermentation tank, the flatness of the bottom of the fermentation tank can be effectively maintained for a long time structurally through the design of the lower cushion layer, the defect that the bottom is collapsed after long-time use and the like is avoided to influence normal use is avoided, the inside of the methane tank can be effectively ensured to be in a constant temperature state in winter or in the air-cooling process through the heat preservation layer, the heat preservation effect is achieved on the inside of the fermentation tank, and therefore the normal fermentation of microorganisms is ensured, and the yield requirement of methane is ensured;
2. structurally, by paving HDPE geomembrane seal in the inner wall of the fermentation tank, has the characteristics of high strength, better extensibility, good seepage-proofing performance and the like, can meet the seepage-proofing requirement in the fermentation process of the bottom of the fermentation tank, the construction cost is low, the construction is convenient and simple, the slag discharge pipe is designed to discharge the waste slag in the fermentation tank conveniently, the biogas slurry is used as liquid fertilizer for discharge, the waste slag treatment is completed, and the device is simple in structure and high in practicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a black film anaerobic fermentation tank;
FIG. 2 is an enlarged schematic view of the A-site structure of a black film anaerobic fermentation tank;
FIG. 3 is a schematic view of a V-shaped fixing plate structure of a black film anaerobic fermentation tank.
In the figure, 1, a fermentation tank; 2. a water inlet pipe; 3. an anchoring groove; 4. anaerobic black film; 5. a biogas outlet pipe; 6. a slag discharge pipe; 7. a lower cushion layer; 8. a V-shaped fixing plate; 9. HDPE geomembranes; 10. an impermeable layer; 11. a heat preservation layer; 12. and a connecting part.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, the black film anaerobic fermentation tank disclosed by the utility model comprises a fermentation tank 1 and an anaerobic black film 4, wherein the anaerobic black film 4 is arranged above the fermentation tank 1, a water inlet pipe 2 is arranged on the left side of the fermentation tank 1, a lower cushion layer 7 is arranged at the bottom of the inner wall of the fermentation tank 1, a heat preservation layer 11 is arranged above the lower cushion layer 7, and an HDPE geomembrane 9 is paved on the surface of an impermeable layer 10;
in this embodiment, in the use process, through setting up HDPE geomembrane 9 and anaerobic black membrane 4 at the inner wall of methane fermentation vat 1 and top and forming a closed environment, can effectually guarantee the airtight of inside fermentation environment, prevent that external unnecessary oxygen from getting into, through anchor ditch 3 fixed mounting anaerobic black membrane 4, can reduce the destruction of anaerobic black membrane 4, can effectually keep the roughness of fermentation vat 1 bottom for a long time through the design of bed course 7 down, avoid defect such as bottom emergence subsidence after long-term use to influence normal use, inlet tube 2 adds the water yield that proper amount was used in fermentation to fermentation vat 1, can effectively guarantee fermentation vat 1 inside and play the heat retaining effect through heat preservation layer 11, furthest reduces fermentation vat 1 in winter or the influence of the cold time of sky, thereby guarantee the normal fermentation of microorganism, with the output needs of biogas.
As shown in fig. 1, 2 and 3, a lower cushion layer 7 is arranged at the bottom of the inner wall of the fermentation tank 1, a slag discharging pipe 6 is arranged below a biogas outlet pipe 5, V-shaped fixing plates 8 are arranged on two sides of a heat preservation layer 11, an impermeable layer 10 is arranged above the heat preservation layer 11, and the biogas outlet pipe 5 is arranged on the right side of the fermentation tank 1;
in this embodiment, the connecting portion 12 positions of lower bed course 7 and barrier layer 10 extrude the laminating each other respectively, can effectually strengthen fermentation vat 1 inner wall structure's stability, prevent the phenomenon of landslide, can be convenient discharge the waste residue in the fermentation vat 1 through the design of scum pipe 6, the natural pond liquid then is used as liquid fertilizer to discharge, accomplish the processing of waste residue, the processing of heat preservation 11 bottom toe position adopts V-arrangement fixed plate 8 to consolidate, can effectually prevent that heat preservation 11 from taking place the dislocation, guarantee the going on of inside fermentation process when improving the heat preservation effect, connect external facilities through marsh gas exit tube 5 and use.
Referring to fig. 1, the four sides of the fermentation tank 1 are provided with the anchoring grooves 3, and the opening arranged at the upper end of the tank body of the fermentation tank 1 and the inner walls of the tank body of the fermentation tank 1 and the tank bottom of the fermentation tank 1 are covered by the anchoring grooves 3 to form a closed structure, so that the tightness of the fermentation process is ensured.
Referring to fig. 2, the intersection of the slope of the lower cushion layer 7 and the impermeable layer 10 with the ground is connected by the connection part 12 in an adapting way, the connection parts 12 are mutually extruded and laminated, and the stability of the inner wall structure of the fermentation tank 1 can be effectively enhanced and landslide is prevented by respectively mutually extruding and laminating the connection parts 12 of the lower cushion layer 7 and the impermeable layer 10.
Referring to fig. 1, the slag discharging port of the slag discharging pipe 6 is positioned at the bottom of the fermentation tank 1, so that waste residues in the fermentation tank 1 can be conveniently discharged through the design of the slag discharging pipe 6, biogas slurry is used as liquid fertilizer to be discharged, and the treatment of the waste residues is completed.
Referring to fig. 2, the insulation layer 11 adopts an extruded sheet as the insulation layer 11, and has excellent insulation properties, excellent high-strength compression resistance, excellent moisture resistance, good stability and corrosion resistance while protecting the environment by adopting the extruded sheet as the insulation layer 11.
Referring to fig. 1, the anchoring groove 3 is disposed on four sides of the upper end of the tank body of the fermentation tank 1, and the anaerobic black film 4 is disposed at the opening of the upper end of the tank body of the fermentation tank 1 and on the inner walls of the tank body of the fermentation tank 1 and the tank bottom of the fermentation tank 1 in a covering manner through the anchoring groove 3 to form a closed structure, so that the outside redundant oxygen can be effectively prevented from entering the fermentation tank 1, and meanwhile, the purity of methane is ensured.
The implementation principle of the embodiment is as follows:
the utility model relates to a black film anaerobic fermentation tank, in the use process, HDPE geomembrane 9 and anaerobic black film 4 are arranged on the inner wall and the upper part of methane fermentation tank 1 to form a closed environment, so that the tightness of the internal fermentation environment can be effectively ensured, the entry of external redundant oxygen is prevented, the anaerobic black film 4 is fixedly arranged through an anchoring groove 3, the damage of the anaerobic black film 4 can be reduced, the flatness of the bottom of the fermentation tank 1 can be effectively maintained for a long time through the design of a lower cushion layer 7, the defect that the bottom collapses and the like after long-term use affects the normal use is avoided, a proper amount of water for fermentation is added into the fermentation tank 1 through a water inlet pipe 2, the heat preservation effect of the fermentation tank 1 can be effectively ensured through a heat preservation layer 11, the influence of the fermentation tank 1 in winter or in the air cooling is reduced to the greatest extent, thereby guarantee the normal fermentation of microorganism to guarantee the output needs of marsh gas, the lower bed course 7 extrudees respectively each other with the connecting portion 12 position of barrier layer 10 and laminates, can effectually strengthen the stability of fermentation vat 1 inner wall structure, prevent the phenomenon of landslide, the waste residue in the fermentation vat 1 that appears through the design of scum pipe 6 is discharged, marsh liquid then is used as liquid fertilizer to discharge, accomplish the processing of waste residue, the slope toe position of heat preservation 11 bottom adopts V-arrangement fixed plate 8 to consolidate, can effectually prevent that heat preservation 11 from taking place the dislocation, guarantee the going on of inside fermentation process when improving the heat preservation effect, connect outside facility through marsh gas exit tube 5 and use, in order to solve the technical problem that exists among the prior art.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a black membrane anaerobic fermentation pond, includes fermentation vat (1) and anaerobic black membrane (4), its characterized in that: the fermentation vat (1) top is provided with anaerobic black film (4), fermentation vat (1) left side is provided with inlet tube (2), fermentation vat (1) right side is provided with marsh gas exit tube (5), marsh gas exit tube (5) below is provided with scum pipe (6), fermentation vat (1) inner wall bottom is provided with underlayer (7), underlayer (7) top is provided with heat preservation (11) down, heat preservation (11) both sides are provided with V-arrangement fixed plate (8), heat preservation (11) top is provided with barrier layer (10), HDPE geomembrane (9) are laid on barrier layer (10) surface.
2. The black film anaerobic fermentation tank according to claim 1, wherein: the four sides of the fermentation tank (1) are provided with anchoring grooves (3).
3. The black film anaerobic fermentation tank according to claim 1, wherein: the slope of the lower cushion layer (7) and the impermeable layer (10) are connected with the ground in an adapting way through a connecting part (12), and the positions of the connecting parts (12) are mutually extruded and attached.
4. The black film anaerobic fermentation tank according to claim 1, wherein: the slag discharging port of the slag discharging pipe (6) is positioned at the bottom of the fermentation tank (1).
5. The black film anaerobic fermentation tank according to claim 1, wherein: the heat preservation layer (11) adopts extruded sheet as the heat preservation layer (11).
6. The black film anaerobic fermentation tank according to claim 2, wherein: the anaerobic black films (4) are arranged at the opening of the upper end of the fermenting tank (1) and the inner walls of the fermenting tank (1) and the bottom of the fermenting tank (1) in a covering mode through the anchoring grooves (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798540.3U CN220116525U (en) | 2023-04-11 | 2023-04-11 | Black film anaerobic fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798540.3U CN220116525U (en) | 2023-04-11 | 2023-04-11 | Black film anaerobic fermentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116525U true CN220116525U (en) | 2023-12-01 |
Family
ID=88888813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320798540.3U Active CN220116525U (en) | 2023-04-11 | 2023-04-11 | Black film anaerobic fermentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116525U (en) |
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2023
- 2023-04-11 CN CN202320798540.3U patent/CN220116525U/en active Active
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