CN204874510U - Biogas fermentation tank ejection of compact overflow arrangement - Google Patents

Biogas fermentation tank ejection of compact overflow arrangement Download PDF

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Publication number
CN204874510U
CN204874510U CN201520405580.2U CN201520405580U CN204874510U CN 204874510 U CN204874510 U CN 204874510U CN 201520405580 U CN201520405580 U CN 201520405580U CN 204874510 U CN204874510 U CN 204874510U
Authority
CN
China
Prior art keywords
overflow
storehouse
fermentation tank
tank
marsh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520405580.2U
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Chinese (zh)
Inventor
宋立
王智勇
刘刈
蒲小东
邓良伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biogas Institute of Ministry of Agriculture
Original Assignee
Biogas Institute of Ministry of Agriculture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biogas Institute of Ministry of Agriculture filed Critical Biogas Institute of Ministry of Agriculture
Priority to CN201520405580.2U priority Critical patent/CN204874510U/en
Application granted granted Critical
Publication of CN204874510U publication Critical patent/CN204874510U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

Abstract

The utility model belongs to biogas fermentation tank ejection of compact overflow arrangement in the energy generation field, by inlet tube (2), overflow tank (10) and outlet pipe (7) are constituteed, be provided with baffle (4) in overflow tank (10) and separate overflow tank (10) for water pressure storehouse (3) and overflow storehouse (6), water pressure storehouse (3) and overflow storehouse (6) top is link up, water pressure storehouse (3) top is equipped with water pressure hatch board (5), overflow storehouse (6) top is provided with atmosphere intercommunicating pore (9), inlet tube (2) lie in the lower lateral part of water pressure storehouse (3), outlet pipe (7) are located the bottom of overflow storehouse (6). The utility model overcomes current biogas fermentation tank overflow pipe easily leads to fermentation cylinder operating pressure unstable, has the negative pressure and destroys the risk that biogas fermentation tank personally experienced sth. Part of the body, and the technical defect that should not change after the overflow pipe crystallization jam, the biogas fermentation tank ejection of compact overflow arrangement who provides make the biogas fermentation tank operating pressure weighing apparatus decide, have negative pressure protect function, and the change easily.

Description

Marsh-gas fermentation tank discharging overflow device
Technical field
The utility model belongs to Energy production field, is specifically related to a kind of marsh-gas fermentation tank discharging overflow device.
Background technology
What existing marsh-gas fermentation tank discharging adopted is upflow tube, and does not have special overflow device.The vertical height that existing upflow tube is installed is not of uniform size, causes fermentor tank operating pressure instability, pressure excessive or too small; The hole area that some upflow tube top is not connected with air or connected with air is too small, there is the risk that negative pressure destroys biogas fermentation tank body.Investigation is run through a large amount of biogas engineering, also after discovery marsh-gas fermentation tank upflow tube life-time service (general 2 to 3 years), there is the phenomenon of Crystallization Plugging overflow spout, remove xln very difficult, in addition current most of biogas engineering overflow spout adopts welding process, after biogas engineering startup optimization, can not to get angry (or produce spark) operation, to cause changing pipeline difficulty.
Summary of the invention
The purpose of this utility model is that overcoming existing marsh-gas fermentation tank upflow tube easily causes fermentor tank operating pressure unstable; pressure is excessive or too small; there is the risk that negative pressure destroys biogas fermentation tank body; the technological deficiency should not changed after upflow tube Crystallization Plugging; a kind of marsh-gas fermentation tank operating pressure homeostasis is provided; there is negative pressure defencive function, change and be easy to marsh-gas fermentation tank discharging overflow device.
The purpose of this utility model is achieved through the following technical solutions:
Marsh-gas fermentation tank discharging overflow device of the present utility model, primarily of water inlet pipe (2), weir tank (10) and rising pipe (7) composition, it is characterized in that: be provided with baffle plate (4) in weir tank (10) and weir tank (10) is divided into hydraulic pressure storehouse (3) and overflow storehouse (6), hydraulic pressure storehouse (3) and overflow storehouse (6) top through, hydraulic pressure storehouse (3) top is provided with hydraulic pressure Hatch Board (5), overflow storehouse (6) top is provided with air connectivity hole (9), water inlet pipe (2) is positioned at the lower side of hydraulic pressure storehouse (3), rising pipe (7) is positioned at the bottom of overflow storehouse (6).
In such scheme, described water inlet pipe (2) and rising pipe (7) termination are respectively arranged with water inlet pipe flange (1) and rising pipe flange (8); Water inlet pipe (2) is connected with marsh-gas fermentation tank by water inlet pipe flange (1).
The utility model is the technical scheme of the science practicality that designer gropes out by practice summary, principle of the present utility model is: biogas fermentation feed liquid is under the effect of the gentle pressure of charging hydraulic pressure, sewage enters hydraulic pressure storehouse from water inlet pipe, water level constantly rises in hydraulic pressure storehouse, when reaching baffle plate top, the pressure that its waterhead produces is the maximum design pressure of marsh-gas fermentation tank; Now water level continuation rising just can climb over baffle plate and enter overflow storehouse, and is discharged by rising pipe.
Cover plate is not established in top, overflow storehouse, and connects with air, when marsh-gas fermentation tank discharging, to avoid the generation of siphonage, and then protection marsh-gas fermentation tank destroys from negative pressure; Meanwhile, when marsh-gas fermentation tank forms negative pressure due to other reasons, just have air from top, overflow storehouse, through baffle plate top, hydraulic pressure storehouse and water inlet pipe, enter marsh-gas fermentation tank, balance negative pressure, prevent marsh-gas fermentation tank to be destroyed.
Flange joint is all established in water inlet pipe and rising pipe termination, so that after overflow storehouse and bottom rising pipe are by Crystallization Plugging, changes overflow device.
Compared with prior art, the beneficial effects of the utility model are: (1) the utility model set of device can realize biogas fermentation discharging, steady pressure, prevent the functions such as negative pressure destruction, improve engineering construction quality, save the engineering time; (2) the utility model is by Flange joint, is easy to change, and guarantees that marsh-gas fermentation tank continues normal operation; (3) the utility model is by specification marsh-gas fermentation tank overflow device, can significantly improve biogas engineering equipment and engineering image.
Therefore; the utility model overcomes existing marsh-gas fermentation tank upflow tube and easily causes fermentor tank operating pressure unstable; pressure is excessive or too small; there is the risk that negative pressure destroys biogas fermentation tank body; the technological deficiency should not changed after upflow tube Crystallization Plugging; the marsh-gas fermentation tank discharging overflow device provided makes marsh-gas fermentation tank operating pressure homeostasis, has negative pressure defencive function, changes easily.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is schematic top plan view of the present invention.
In figure: 1. water inlet pipe flange, 2. water inlet pipe, 3. hydraulic pressure storehouse, 4. baffle plate, 5. hydraulic pressure Hatch Board, 6. overflow storehouse, 7. rising pipe, 8. rising pipe flange; 9. air connectivity hole; 10. weir tank.
Embodiment
Be described in further detail the utility model below in conjunction with embodiment, the utility model is not limited only to described embodiment.
Embodiment one
The marsh-gas fermentation tank discharging overflow device of this example as shown in Figure 1, be made up of water inlet pipe 2, weir tank 10 and rising pipe 7, be provided with baffle plate 4 in weir tank 10 and weir tank 10 is divided into hydraulic pressure storehouse 3 and overflow storehouse 6, hydraulic pressure storehouse 3 and top, overflow storehouse 6 through, top, hydraulic pressure storehouse 3 is provided with hydraulic pressure Hatch Board 5, top, overflow storehouse 6 is provided with air connectivity hole 9, water inlet pipe 2 is positioned at the lower side in hydraulic pressure storehouse 3, rising pipe 7 is positioned at the bottom in overflow storehouse 6, and described water inlet pipe 2 and rising pipe 7 termination are respectively arranged with water inlet pipe flange 1 and rising pipe flange 8; Water inlet pipe 2 is connected with marsh-gas fermentation tank by water inlet pipe flange 1.
The hydraulic pressure that this routine described water inlet pipe 2 pipe top inwall produces to baffle plate 4 plan vertical height, is the design pressure of marsh-gas fermentation tank, is generally 3000pa to 5000pa, so water inlet pipe 2 pipe top inwall generally gets 300mm to 500mm to baffle plate 4 plan vertical height.
Be provided with the facility that keeps off the rain above the air connectivity hole 9 at this top, routine described overflow storehouse 6, the area that top, overflow storehouse 6 is communicated with air is not less than the sectional area of rising pipe.
The utility model is explained further below by working process:
During work, biogas fermentation feed liquid is under the effect of the gentle pressure of charging hydraulic pressure, and sewage enters hydraulic pressure storehouse 3 from water inlet pipe 2, and water level constantly rises in hydraulic pressure storehouse 3, and when reaching baffle plate 4 top, the pressure that its waterhead produces is the maximum design pressure of marsh-gas fermentation tank; Now water level continuation rising just can climb over baffle plate 4 and enter overflow storehouse 6, and is discharged by rising pipe 7.
This top, routine overflow storehouse 6 is provided with air connectivity hole 9, when marsh-gas fermentation tank discharging, to avoid the generation of siphonage, and then protection marsh-gas fermentation tank destroys from negative pressure; Meanwhile, when marsh-gas fermentation tank forms negative pressure due to other reasons, just have air from top, overflow storehouse 6, through baffle plate 4 top, hydraulic pressure storehouse 3 and water inlet pipe 2, enter marsh-gas fermentation tank, balance negative pressure, prevent marsh-gas fermentation tank to be destroyed.
Flange joint is all established in this routine water inlet pipe 2 and rising pipe 7 termination, so that after overflow storehouse and bottom rising pipe are by Crystallization Plugging, changes overflow device.
The marsh-gas fermentation tank discharging overflow device of this example, can make marsh-gas fermentation tank operating pressure stablize, have negative pressure defencive function, is easy to change, can improves engineering construction quality, save the engineering time, significantly improves biogas engineering equipment and engineering image.

Claims (2)

1. a marsh-gas fermentation tank discharging overflow device, form primarily of water inlet pipe (2), weir tank (10) and rising pipe (7), it is characterized in that: be provided with baffle plate (4) in weir tank (10) and weir tank (10) is divided into hydraulic pressure storehouse (3) and overflow storehouse (6), hydraulic pressure storehouse (3) and overflow storehouse (6) top through, hydraulic pressure storehouse (3) top is provided with hydraulic pressure Hatch Board (5), overflow storehouse (6) top is provided with air connectivity hole (9), water inlet pipe (2) is positioned at the lower side of hydraulic pressure storehouse (3), and rising pipe (7) is positioned at the bottom of overflow storehouse (6).
2. marsh-gas fermentation tank discharging overflow device according to claim 1, is characterized in that described water inlet pipe (2) and rising pipe (7) termination are respectively arranged with water inlet pipe flange (1) and rising pipe flange (8); Water inlet pipe (2) is connected with marsh-gas fermentation tank by water inlet pipe flange (1).
CN201520405580.2U 2015-06-14 2015-06-14 Biogas fermentation tank ejection of compact overflow arrangement Expired - Fee Related CN204874510U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520405580.2U CN204874510U (en) 2015-06-14 2015-06-14 Biogas fermentation tank ejection of compact overflow arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520405580.2U CN204874510U (en) 2015-06-14 2015-06-14 Biogas fermentation tank ejection of compact overflow arrangement

Publications (1)

Publication Number Publication Date
CN204874510U true CN204874510U (en) 2015-12-16

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CN201520405580.2U Expired - Fee Related CN204874510U (en) 2015-06-14 2015-06-14 Biogas fermentation tank ejection of compact overflow arrangement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988057A (en) * 2015-06-14 2015-10-21 农业部沼气科学研究所 Discharging overflow device of biogas digester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104988057A (en) * 2015-06-14 2015-10-21 农业部沼气科学研究所 Discharging overflow device of biogas digester

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

Termination date: 20160614