CN203582852U - Positive-negative pressure device of methane tank - Google Patents
Positive-negative pressure device of methane tank Download PDFInfo
- Publication number
- CN203582852U CN203582852U CN201320808186.4U CN201320808186U CN203582852U CN 203582852 U CN203582852 U CN 203582852U CN 201320808186 U CN201320808186 U CN 201320808186U CN 203582852 U CN203582852 U CN 203582852U
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- China
- Prior art keywords
- positive
- methane
- sealed
- pressure device
- negative pressure
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a positive-negative pressure device of a methane tank. The positive-negative pressure device comprises a sealed tank, wherein a water level sensor is arranged on the sidewall of the sealed tank, the sealed tank is further provided with a gas exhaust pipe and a water inlet pipe, one end of the gas exhaust pipe is communicated with a gas storage chamber of the methane tank, the other end of the gas exhaust pipe is communicated with the sealed tank, and a valve is arranged on the water inlet pipe. The positive-negative pressure device further comprises a water sealing pipe, wherein one end of the water sealing pipe is communicated with the atmosphere, and the other end of the water sealing pipe extends below the internal liquid surface of the sealed tank. According to the positive-negative pressure device, during use, the internal gas pressure of the methane tank can be limited, so that the positive pressure is safe, and the gas exhaust is stable; the methane tank can be protected from being damaged by negative pressure; moreover, the structure is simple, the manufacturing is simple and convenient, and the service life is long.
Description
Technical field
The utility model relates to a kind of biogas generating pit apparatus, particularly a kind of methane-generating pit positive/negative-pressure device.
Background technology
At present, methane-generating pit is mounting safety valve all, to prevent the security incident such as too high blast causing of biogas pressure in pond, or causes damaging equipment and the accessory of biogas because of negative pressure.Existing safety valve is all metal valve body, utilizes spring to regulate pressure, complicate fabrication process, and cost is higher, and because steam in biogas and sulphur are to corrosion of metal, the life-span of safety valve is generally all shorter.
For above deficiency, the utility model provides a kind of methane-generating pit positive/negative-pressure device, and the positive pond of biogas of the present utility model negative pressure device has done necessarily and improved prior art, can effectively limit the biogas pressure in methane-generating pit, and durable in use.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of methane-generating pit positive/negative-pressure device, can effectively limit the biogas pressure in methane-generating pit.
The utility model solves the problems of the technologies described above by following technique means:
Methane-generating pit positive/negative-pressure device of the present utility model, comprises sealed can, and its sidewall is provided with water level sensor, on described sealed can, be also provided with vapor pipe and water inlet pipe, described vapor pipe one end is communicated with the gas dome of methane-generating pit, and the other end is communicated with sealed can, on described water inlet pipe, is provided with valve;
Further, also comprise syphon trap, described syphon trap one end communicates with atmosphere, and the other end stretches into below the liquid level in sealed can.
Further, on described water inlet pipe, valve is magnetic valve, and described water level sensor is electrically connected with valve.
Further, described sealed can is built into by mixing earth, or casts with stainless material.
The beneficial effects of the utility model: methane-generating pit positive/negative-pressure device of the present utility model, comprise sealed can, its sidewall is provided with water level sensor, on described sealed can, be also provided with vapor pipe and water inlet pipe, described vapor pipe one end is communicated with the gas dome of methane-generating pit, the other end is communicated with sealed can, on described water inlet pipe, is provided with valve; Also comprise syphon trap, described syphon trap one end communicates with atmosphere, and the other end stretches into below the liquid level in sealed can.The utility model can limit methane-generating pit internal gas pressure in use, makes its malleation safety, and exhaust is stable; Also can protect methane-generating pit to avoid negative pressure destroys.And simple in structure, simple for production, the life-span is long.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Embodiment
Below with reference to accompanying drawing, the utility model is elaborated, as shown in Figure 1:
Methane-generating pit positive/negative-pressure device of the present utility model, comprise sealed can, its sidewall is provided with water level sensor 6, on described sealed can, be also provided with vapor pipe 1 and water inlet pipe 4, described vapor pipe 1 one end is communicated with the gas dome of methane-generating pit, the other end is communicated with sealed can 2, on described water inlet pipe 4, is provided with valve 5.Too much when biogas pool gas, when pressure is excessive, biogas enters sealed can 2 by vapor pipe 1, by the water in sealing cover from syphon trap is pressed onto tank, thereby make the pressure in methane-generating pit can be not excessive; When forming negative pressure in methane-generating pit, in sealed can, gas can enter methane-generating pit, alleviates the pressure of negative pressure to methane-generating pit.
As the further improvement to above-described embodiment, also comprise syphon trap, described syphon trap one end communicates with atmosphere, and the other end stretches into below the liquid level in sealed can.In the situation that pressure is suitable, because the lower end of syphon trap is in water, sealed can be leaked to biogas in atmosphere.
As the further improvement to above-described embodiment, on described water inlet pipe 4, valve 5 is magnetic valve, and described water level sensor 6 is electrically connected with valve 5.When biogas pool gas tails off, after pressure diminishes, water in syphon trap can fall, if now water level sensor detects that in sealed can, water level can not make syphon trap lower end below the water surface, water level sensor 6 will send the electrical signal that open valve to valve 5, now water inlet pipe to moisturizing in sealed can to increase the air pressure in water pressure house, when the water level in sealed can 2 returns to set(ting)value, water level sensor 6 will send the electrical signal of valve-off to valve 5, now valve 5 is closed and stopped moisturizing.
As the further improvement to above-described embodiment, described sealed can is built into by mixing earth, or casts with stainless material.The sealed can of making is like this durable in use.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. a methane-generating pit positive/negative-pressure device, it is characterized in that: comprise sealed can, its sidewall is provided with water level sensor (6), on described sealed can, be also provided with vapor pipe (1) and water inlet pipe (4), described vapor pipe (1) one end is communicated with the gas dome of methane-generating pit, the other end is communicated with sealed can (2), is provided with valve (5) on described water inlet pipe (4).
2. methane-generating pit positive/negative-pressure device according to claim 1, is characterized in that: also comprise syphon trap, described syphon trap (3) one end communicates with atmosphere, and the other end stretches into below the liquid level in sealed can (2).
3. methane-generating pit positive/negative-pressure device according to claim 1 and 2, is characterized in that: the valve (5) on described water inlet pipe (4) is magnetic valve, and described water level sensor (6) is electrically connected with valve (5).
4. methane-generating pit positive/negative-pressure device according to claim 3, is characterized in that: described sealed can (2) is built into by mixed earth, or casts with stainless material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808186.4U CN203582852U (en) | 2013-12-10 | 2013-12-10 | Positive-negative pressure device of methane tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320808186.4U CN203582852U (en) | 2013-12-10 | 2013-12-10 | Positive-negative pressure device of methane tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203582852U true CN203582852U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320808186.4U Expired - Fee Related CN203582852U (en) | 2013-12-10 | 2013-12-10 | Positive-negative pressure device of methane tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203582852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861281A (en) * | 2016-04-26 | 2016-08-17 | 山东百川同创能源有限公司 | Maintenance-free tank body integrated positive/negative-pressure protector |
| CN106479867A (en) * | 2016-12-23 | 2017-03-08 | 山东百川同创能源有限公司 | A kind of positive/negative pressure protection device and marsh-gas fermentation tank |
| CN110182481A (en) * | 2019-06-28 | 2019-08-30 | 恒力石化（大连）有限公司 | A kind of water seal safety device of normal micro-pressure closed system |
-
2013
- 2013-12-10 CN CN201320808186.4U patent/CN203582852U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861281A (en) * | 2016-04-26 | 2016-08-17 | 山东百川同创能源有限公司 | Maintenance-free tank body integrated positive/negative-pressure protector |
| CN106479867A (en) * | 2016-12-23 | 2017-03-08 | 山东百川同创能源有限公司 | A kind of positive/negative pressure protection device and marsh-gas fermentation tank |
| CN106479867B (en) * | 2016-12-23 | 2018-12-07 | 山东百川同创能源有限公司 | A kind of positive/negative pressure protection device and marsh-gas fermentation tank |
| CN110182481A (en) * | 2019-06-28 | 2019-08-30 | 恒力石化（大连）有限公司 | A kind of water seal safety device of normal micro-pressure closed system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141210 |
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| EXPY | Termination of patent right or utility model |