CN210287353U - Novel red mud plastic film methane tank - Google Patents
Novel red mud plastic film methane tank Download PDFInfo
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- CN210287353U CN210287353U CN201921132099.5U CN201921132099U CN210287353U CN 210287353 U CN210287353 U CN 210287353U CN 201921132099 U CN201921132099 U CN 201921132099U CN 210287353 U CN210287353 U CN 210287353U
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Abstract
The utility model provides a novel red mud plastic film methane tank, an anti-seepage bottom film is laid on the bottom and the wall of the methane tank, a support column is arranged in the methane tank, a beam is arranged on the top of the methane tank to divide the methane tank into a plurality of modules, each module is respectively covered with a red mud plastic top film, a safety valve is arranged at the mouth of a gas collecting pipe connected with the top film, the other end of the gas collecting pipe is connected with an outlet pipe, and a pressure alarm is arranged on the gas collecting pipe; the two ends of the tank body are respectively provided with a water inlet pipe and a water outlet pipe, and the bottom of the tank body is provided with a sludge discharge pipe; the anti-seepage bottom membrane and the red mud plastic top membrane on the outer side are fixed by an anchoring groove on the periphery of the pool body, and stainless steel hooks are uniformly distributed in the anchoring groove; two parallel clamping grooves are formed in a cross beam in the tank body, and red mud plastic top films on two sides of the cross beam are respectively fixed on built-in sliding blocks in the two clamping grooves; the utility model discloses can effectively solve the complicated, high problem of cost of traditional large-scale red mud plastic film methane-generating pit structure, have the module division diversified simultaneously, make things convenient for the scarfing cinder, the gas tightness is good, the construction is simple and produce advantages such as gas rate height.
Description
Technical Field
The utility model relates to the technical field of methane fermentation, in particular to a novel red mud plastic film methane tank.
Background
Biogas fermentation is a fermentation process for decomposing organic matters by various anaerobic heterotrophic microorganisms to generate biogas under certain temperature, concentration and anaerobic conditions.
In recent years, with the development of the national biogas science and technology, a film-coated biogas digester integrating fermentation and gas storage is widely applied nationwide, wherein the black film biogas digester has the advantages of low construction cost, simple construction and the like, but the problems of low wastewater treatment efficiency, unstable treatment effect, short service life and the like easily occur in the operation process due to the inconvenience of sludge discharge and slag removal.
The red mud plastic film is favored by the majority of users due to the advantages of high strength, good toughness, long service life and the like, and the structure forms of the red mud plastic film methane tank are diversified, including various tank bodies such as carbon steel, steel concrete, brick concrete, soil tanks and the like. The red mud plastic film covering is mainly applied to small and medium-sized methane tanks at present, because in the traditional large-scale red mud plastic film methane tank, the hook for fixing the top film is easy to damage due to overlarge pressure born by the top film, and the hook is unhooked and leaked, so that engineering loss and potential safety hazard are caused; the grouping type red mud plastic film methane tank generally adopts a steel-concrete type partition wall, has a complex structure and is too high in manufacturing cost. For the above reasons, the application of red mud plastic coating in large-scale biogas digesters is limited.
Disclosure of Invention
The utility model aims to provide a novel red mud plastic film methane-generating pit to the weak point among the prior art, the methane-generating pit adopts support column and crossbeam to draw and replaces traditional partition wall, effectively solves the complicated, the high problem of cost of traditional large-scale red mud plastic film methane-generating pit structure, has the advantages such as the modularization is diversified, make things convenient for the scarfing cinder, the gas tightness is good, the construction is simple and the gas production rate is high simultaneously.
The utility model discloses a realize through following technical scheme: a novel red mud plastic film methane tank is characterized in that an anti-seepage bottom film is laid on the bottom and the wall of the methane tank, a red mud plastic top film is arranged at the top of the methane tank, a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the methane tank, and a mud discharge pipe is arranged at the bottom of the methane tank.
The red mud plastic film methane tank body is internally provided with a support column, the top of the red mud plastic film methane tank body is provided with a cross beam, the methane tank body is divided into a plurality of modules, and each module is respectively covered with a red mud plastic top film to form an anaerobic fermentation space.
The anti-seepage bottom membrane and the red mud plastic top membrane on the outer side are fixed by an anchoring groove on the periphery of the pool body, stainless steel hooks are uniformly distributed in the anchoring groove and used for fixing the red mud plastic top membrane, and the distance between every two adjacent hooks is 50 cm.
The beam is provided with two parallel clamping grooves, red mud plastic top films on two sides of the beam are respectively fixed on the built-in sliding blocks in the two clamping grooves, and the top film of the methane tank can stretch along with the movement of the sliding blocks in the clamping grooves, so that scum on the surface of liquid in the tank body and bottom mud at the bottom of the tank body can be conveniently and regularly cleaned.
And gas collecting pipes are respectively arranged on the red mud plastic top films of the modules of the methane tank, and the upper ends of the gas collecting pipes are connected with gas outlet pipes.
And the pipe orifices of the gas collecting pipes connected with the red mud plastic film are respectively provided with a safety valve, and the methane tank is opened to exhaust when the methane pressure is too high, so that the gas pressure protection of the methane tank is realized.
And pressure alarms are respectively arranged on the gas collecting pipes, so that the real-time monitoring of the methane pressure is realized.
Compared with the prior art, the beneficial effects of the utility model are that: the methane tank adopts the support columns and the cross beams to replace the traditional partition walls, so that the problems of complex structure, high manufacturing cost, small effective volume and the like of the traditional large red mud plastic film methane tank are effectively solved; on the other hand, the top of the methane tank adopts a plastic red mud plastic film, so that scum (namely a crusting part) on a liquid plane in the fermentation tank can be immersed under the liquid level through compression and vibration, and a top film of the methane tank can stretch along with the movement of the sliding block in the clamping groove and is easy to open, so that the scum on the liquid surface in the tank and bottom mud at the bottom of the tank can be conveniently and regularly cleaned, and the problem that the gas production is influenced by the crusting and mud discharging difficulty in the tank in the traditional methane tank is solved; and simultaneously, the utility model has the advantages of the module division is diversified, the gas tightness is good, the construction is simple and the gas production rate is high.
Drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is a sectional view of the present invention 1-1.
Fig. 3 is a sectional view of the present invention 2-2.
In the figure: 1-a tank body, 2-an anti-seepage bottom membrane, 3-a red mud plastic top membrane, 4-a water inlet pipe, 5-a water outlet pipe, 6-a mud discharge pipe, 7-a gas collecting pipe, 8-a gas outlet pipe, 9-a support column, 10-a cross beam, 11-an anchoring groove, 12-a hook, 13-a clamping groove, 14-a sliding block, 15-a safety valve, 16-a pressure alarm and 17-a support column foundation.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the invention, but the invention is not limited thereto.
A novel red mud plastic film methane tank is characterized in that an anti-seepage bottom film 2 is laid on the bottom and the wall of the methane tank, a red mud plastic top film 3 is arranged on the top of the methane tank, a water inlet pipe 4 and a water outlet pipe 5 are respectively arranged at two ends of the methane tank, and a mud discharge pipe 6 is arranged at the bottom of the methane tank.
The red mud plastic film methane tank body 1 is internally provided with a support column 9, the top of the red mud plastic film methane tank body is provided with a cross beam 10, the methane tank body is divided into a plurality of modules, and each module is respectively covered with a red mud plastic top film 3 to form an anaerobic fermentation space.
The anti-seepage bottom membrane 2 and the red mud plastic top membrane 3 on the outer side are fixed by an anchoring groove 11 on the periphery of the pool body 1, stainless steel hooks 12 are uniformly distributed in the anchoring groove 9 and used for fixing the red mud plastic top membrane 3, and the distance between every two adjacent hooks is 50 cm.
The beam 8 is provided with two parallel clamping grooves 13, the red mud plastic top films 3 on two sides of the beam are respectively fixed on the built-in slide blocks 14 in the two clamping grooves 13, and the top film of the methane tank can stretch along with the movement of the slide blocks 14 in the clamping grooves 13, so that scum on the surface of liquid in the tank body and bottom mud at the bottom of the tank body can be conveniently and regularly cleaned.
The red mud plastic top film 3 of each module of the methane tank is respectively provided with a gas collecting pipe 7, and the upper end of each gas collecting pipe 7 is connected with a gas outlet pipe 8.
And the pipe orifices of the gas collecting pipes 7 connected with the red mud plastic film are respectively provided with a safety valve 15, and the methane tank is opened to exhaust when the methane pressure is too high, so that the gas pressure protection of the methane tank is realized.
And the gas collecting pipes are respectively provided with a pressure alarm 16, so that the real-time monitoring of the methane pressure is realized.
And a support column foundation 17 is built at the bottom of the support column 9.
The operation process of the red mud plastic film methane tank is as follows:
sewage flows into a methane tank body 1 through a water inlet pipe 4 after being pretreated for anaerobic fermentation, and organic matters in the sewage are decomposed by various anaerobic heterotrophic microorganisms in the methane tank, so that generated biogas slurry is discharged through a water outlet pipe 5; the bottom of the tank body 1 is provided with a sludge discharge pipe 6, biogas residues generated by anaerobic fermentation are deposited at the bottom of the biogas digester and discharged through the sludge discharge pipe 6, and the biogas residues are reasonably utilized after harmless treatment; biogas generated by anaerobic fermentation is stored in the red mud plastic top film 3, a safety valve 15 is arranged at the pipe orifice of the gas collecting pipe 7 connected with the red mud plastic film, when the biogas pressure is too high, the gas is opened to exhaust, a pressure alarm 16 is arranged on the gas collecting pipe, the pressure of the biogas can be monitored in real time, and the biogas discharged through the gas outlet pipe 8 enters a biogas utilization system.
In the embodiment, the red mud plastic top film 3 on the upper part of the methane tank is fixed in a split module mode, so that the problems of engineering loss and potential safety hazard caused by the fact that the hook 12 for fixing the film is easy to damage due to overlarge bearing pressure when the red mud plastic top film is applied to a large methane tank are effectively solved.
The supporting columns 9 are arranged in the methane tank body 1, the cross beams 10 are arranged at the top of the methane tank body, the methane tank body is divided into a plurality of modules, and the problems of complex structure, high manufacturing cost and the like caused by the adoption of a steel-concrete partition wall in the traditional large red mud plastic film methane tank are effectively solved; on the other hand, the red mud plastic top-covering film 3 on the upper part of the methane tank can stretch along with the movement of the sliding block 14 in the clamping groove 13 and is easy to open, thereby being convenient to clean scum on the surface of liquid in the tank body and bottom mud at the bottom of the tank at regular time and solving the problem that the traditional methane tank affects the gas production due to incrustation in the tank and difficult mud discharge.
The detailed description of the embodiments of the present invention is provided above with reference to the drawings, but the present invention is not limited to the details of the above embodiments, and the modifications, additions or replacements made by the technical solution of the present invention by those skilled in the art also belong to the protection scope of the present invention.
Claims (6)
1. A novel red mud plastic film methane tank is characterized in that: an anti-seepage bottom membrane is laid on the bottom and the wall of the red mud plastic membrane methane tank, a red mud plastic top membrane is arranged at the top of the red mud plastic membrane methane tank, a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the tank body, and a mud discharge pipe is arranged at the bottom of the tank;
the red mud plastic film methane tank body is internally provided with a support column, the top of the red mud plastic film methane tank body is provided with a cross beam, the methane tank body is divided into a plurality of modules, and each module is respectively covered with a red mud plastic top film to form an anaerobic fermentation space.
2. The red mud plastic film biogas digester as claimed in claim 1, wherein: the anti-seepage bottom membrane and the red mud plastic top membrane on the outer side are fixed by an anchoring groove on the periphery of the pool body, stainless steel hooks are uniformly distributed in the anchoring groove and used for fixing the red mud plastic top membrane, and the distance between every two adjacent hooks is 50 cm.
3. The red mud plastic film biogas digester as claimed in claim 1, wherein: the beam is provided with two parallel clamping grooves, and red mud plastic top films on two sides of the beam are respectively fixed on the built-in sliding blocks in the two clamping grooves.
4. The red mud plastic film biogas digester as claimed in claim 1, wherein: and gas collecting pipes are respectively arranged on the red mud plastic top films of the modules of the methane tank, and the upper ends of the gas collecting pipes are connected with gas outlet pipes.
5. The red mud plastic film biogas digester as claimed in claim 4, wherein: and the pipe openings of the gas collecting pipes connected with the red mud plastic film are respectively provided with a safety valve.
6. The red mud plastic film biogas digester as claimed in claim 4, wherein: and each gas collecting pipe is provided with a pressure alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132099.5U CN210287353U (en) | 2019-07-18 | 2019-07-18 | Novel red mud plastic film methane tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132099.5U CN210287353U (en) | 2019-07-18 | 2019-07-18 | Novel red mud plastic film methane tank |
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| CN210287353U true CN210287353U (en) | 2020-04-10 |
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| CN201921132099.5U Active CN210287353U (en) | 2019-07-18 | 2019-07-18 | Novel red mud plastic film methane tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354465A (en) * | 2021-07-27 | 2021-09-07 | 陕西果业集团延安有限公司吴起果树试验场 | Multifunctional organic fertilizer fermentation tank |
| CN116555004A (en) * | 2023-07-11 | 2023-08-08 | 山东生态家园环保股份有限公司 | Straw biogas fermentation tank |
-
2019
- 2019-07-18 CN CN201921132099.5U patent/CN210287353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354465A (en) * | 2021-07-27 | 2021-09-07 | 陕西果业集团延安有限公司吴起果树试验场 | Multifunctional organic fertilizer fermentation tank |
| CN116555004A (en) * | 2023-07-11 | 2023-08-08 | 山东生态家园环保股份有限公司 | Straw biogas fermentation tank |
| CN116555004B (en) * | 2023-07-11 | 2023-09-19 | 山东生态家园环保股份有限公司 | Straw biogas fermentation tank |
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