CN103667031A - Gas collection and storage device for biogas digester - Google Patents
Gas collection and storage device for biogas digester Download PDFInfo
- Publication number
- CN103667031A CN103667031A CN201310684529.5A CN201310684529A CN103667031A CN 103667031 A CN103667031 A CN 103667031A CN 201310684529 A CN201310684529 A CN 201310684529A CN 103667031 A CN103667031 A CN 103667031A
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- CN
- China
- Prior art keywords
- methane
- generating pit
- gas
- gas collection
- storage device
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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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
Abstract
The invention belongs to the field of fecal treatment for large-scale livestock farms, and particularly relates to a gas collection and storage device for a biogas digester. The device comprises a gas collection hood covering fermented materials in a floating way, wherein a support skeleton for supporting the top of the gas collection hood to form an arc shape is arranged in the gas collection hood; heavy objects for limiting the gas collection hood in the biogas digester are arranged on the periphery of the gas collection hood; an exhaust port is formed in the upper end of the gas collection hood; a valve is arranged at the exhaust port. The volume of the gas collection and storage device can be changed along with changes in biogas content; in addition, the gas collection and storage device is simple in structure and low in cost.
Description
Technical field
The ight soil process field that the invention belongs to mass-producing fowl poultry field, is specifically related to a kind of gas collection gas storage device for methane-generating pit.
Background technology
Existing methane-generating pit is used steel plate as sealing conventionally above the mouth of pond, but the biogas in methane-generating pit becomes pressure many or in summer methane-generating pit while increasing, the reservoir volume sealing due to steel plate is difficult to increase, therefore biogas can produce larger reactive force to steel plate, when pressure acquires a certain degree, even steel plate can be split up, also can cause steel plate destroyed, not only can cause methane-generating pit gas leakage, and easily cause security incident.
Summary of the invention
The object of this invention is to provide a kind of gas collection gas storage device for methane-generating pit, for solving problems of the prior art, the volume of this gas collection gas storage device can change according to the variation of biogas amount, and the present invention is simultaneously simple in structure, and cost is lower.
For achieving the above object, the present invention has adopted following technical scheme:
For a gas collection gas storage device for methane-generating pit, this device comprises the gas skirt of floating cover cap on fermented product, and described gas skirt inside is provided with the support frame that supports described gas skirt top archwise; The periphery of described gas skirt is provided with the weight being limited in its place methane-generating pit; The upper end of described gas skirt is provided with venting port, and described exhaust ports is provided with valve.
Meanwhile, the present invention can also be able to further realization by following technical measures:
Preferably, described venting port is by flexible pipe and pipeline communication, and described pipeline is connected with gas storage storehouse.
Preferably, described weight is rod shape or bar-shaped, and weight is set to four; Four weights are separately positioned on the Si Bianchu of the close methane-generating pit pool wall of gas skirt.
Preferably, described gas skirt is software material.
Preferably, described rod shape or bar-shaped weight are fixedly connected by rope or chain and described gas skirt.
Preferably, be provided with the draw-in groove matching with described rod shape or bar-shaped weight on four pool walls of methane-generating pit, the both ends of described weight are fastened in draw-in groove, and the direction that weight can limit along draw-in groove moves up and down.
Beneficial effect of the present invention is as follows:
1), gas collection gas storage device in the present invention comprises gas skirt, described gas skirt is under the effect of weight above the fermented product in floating cover cap methane-generating pit, because weight is only spacing in methane-generating pit by gas skirt, rather than gas skirt is fixed in methane-generating pit, therefore the biogas in methane-generating pit is more, or the biogas in methane-generating pit is due to the former of outside temperature thereby while causing air pressure to increase, gas skirt can change the gas collection reservoir volume of the methane-generating pit that raises under the effect of biogas pressure according to the variation of biogas amount, the pressure in gas skirt all the time can be not too high, thereby facilitated the storage of biogas.
2), the gas skirt inside in the present invention is provided with support frame, the top braces of gas skirt is to arc, when even the gas in gas skirt is seldom not enough to prop up gas skirt like this, gas skirt can not subside in methane-generating pit yet and be corroded, and increases the work-ing life of gas skirt; In the season that does not need insulation film made, the top of gas skirt is set to arc, and rainwater falls into meeting nature landing on it, can not produce because ponding is pressed into gas skirt the situation of methane-generating pit, and assurance gas skirt also can normally be worked at severe weather.
3) gas skirt, in the present invention is software material, such as can being also the stronger canvas of compactness for the equal higher plastic cloth of toughness and intensity, have therefore not only reduced the cost of gas skirt, has also further promoted the security of gas collection air storage.
4), the present invention adopts rod shape or bar-shaped weight to carry out spacing to gas skirt, effectively expanded software gas skirt four jiaos, thereby be not only conducive to increase the volume of gas skirt, also make floating of gas skirt comparatively stable, thereby improved the reliability of whole device.
Accompanying drawing explanation
Fig. 1,2,3 is the structural representation of methane-generating pit, septic tank.
Fig. 4 is the diagrammatic cross-section of methane-generating pit.
Fig. 5 is the structural representation of outer partition wall.
Fig. 6 is the syndeton schematic diagram in gas collection gas storage device and gas storage storehouse.
Fig. 7 is the structural representation of methane-generating pit draw-in groove.
Fig. 8 is the structural representation that weight matches with methane-generating pit draw-in groove.
The implication of the Reference numeral in figure is as follows:
10-product biogas unit, 11-the first methane-generating pit the 12-the second methane-generating pit
13-the three methane-generating pit 14-internal partition wall 15-connected entrance
16-The South Pool wall 17-northern pool wall 18-draw-in groove 20-change excrement unit
21-the first septic tank mouth the 22-the second septic tank 23-outer partition wall
24-space, 25-pore, 30-separate tank, 31-relief outlet
40-gas skirt, 41-weight, 42-venting port, 43-flexible pipe, 44-support frame
50-pipeline, 60-gas storage storehouse, 70-plastics film
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in Figure 1, a kind of comprehensive utilization of resources system for the treatment of fowl and animal excrement, it comprises following integral part:
Produce biogas unit 10, comprise adjacent successively the first methane-generating pit 11, the second methane-generating pit 12 and the 3rd methane-generating pit 13, between described the first methane-generating pit 11 and the second methane-generating pit 12 and between the second methane-generating pit 12 and the 3rd methane-generating pit 13, be provided with internal partition wall 14, the bottom of described internal partition wall 14 is provided with the connected entrance 15 of the adjacent methane-generating pit of UNICOM; From the first methane-generating pit 11, the second methane-generating pit 12 to absolute altitude at the bottom of the pond of the 3rd methane-generating pit 13, reduce gradually; The upside capping of described three methane-generating pits has transparent plastics film 70, is also provided with cover cap gas collection gas storage device on fermented product in pond in described methane-generating pit, fermentation resistates the being discharged into excrement unit 20 in described methane-generating pit.
As shown in Fig. 1,2,4, described the first methane-generating pit 11, the second methane-generating pit 12 and the 3rd methane-generating pit 13 are arranged in a row along east-west direction, and the northern pool wall 17 of methane-generating pit is higher than its The South Pool wall 16; The two ends, north and south of described plastics film 70 are separately fixed on the The South Pool wall 16 and northern pool wall 17 of methane-generating pit, and the angle β between the residing plane of plastics film 70 and horizontal plane is 45 °, thereby can as much as possiblely utilize sun power.
As shown in Fig. 3,4,6, described gas collection gas storage device comprises the gas skirt 40 of floating cover cap on fermented product, described gas skirt 40 inside are provided with the support frame 44 that supports described gas skirt 40 top archwises, and the periphery of described gas skirt 40 is provided with the weight 41 being limited in its place methane-generating pit; The upper end of described gas skirt 40 is provided with venting port 42, and described venting port 42 places are provided with valve; Described venting port 42 is communicated with pipeline 50 by flexible pipe 43, and described pipeline 50 is connected with gas storage storehouse 60.
As shown in Fig. 6,8, described weight 41 is rod shape or bar-shaped, and weight 41 is set to four; Four weights 41 are separately positioned on the Si Bianchu of the close pool wall of gas skirt 41.
Described rod shape or bar-shaped weight 41 are fixedly connected by rope or chain and described gas skirt 40.
As shown in Figure 7, be provided with the draw-in groove 18 matching with described rod shape or bar-shaped weight 41 on four pool walls of any methane-generating pit, the both ends of described weight 41 are fastened in draw-in groove 18, and the direction that weight 41 can limit along draw-in groove 18 moves up and down.
The working process of processing the comprehensive utilization of resources system of fowl and animal excrement below in conjunction with Fig. 1～8 pair is described further:
First fowl and animal excrement is piled in the first methane-generating pit 11, the second methane-generating pit 12, the 3rd methane-generating pit 13, then will respectively four weights 41 be fastened in the draw-in groove 18 on methane-generating pit pool wall, thereby gas skirt 40 is placed in place, now the valve at gas skirt 40 venting port 42 places is in closing condition, by flexible pipe 43, gas skirt 40 and pipeline 50 are coupled together, pipeline 50 is connected with gas storage storehouse 60.
When fowl and animal excrement fermentation produces biogas, methane accumulation is stored in gas skirt 40, and when biogas output is higher, gas skirt traction under the effect of biogas pressure weight 41 floatings, thereby expands gas collection reservoir volume; When biogas output reaches limit value or when summer, biogas pressure was larger, can open valve, to a part of biogas of the interior discharge in gas storage storehouse 60, thereby kept job stability and the reliability of whole device.
Because absolute altitude at the bottom of the pond from the first methane-generating pit 11, the second methane-generating pit 12, the 3rd methane-generating pit 13 to first septic tanks 21 reduces gradually, under the effect of gravity, fermented product slowly moves the connected entrance on the internal partition wall by methane-generating pit 14 15 to the first septic tank 21, finally the space 24 by outer partition wall 23 bottoms enters in the first septic tank 21, and described space 24 is played and stopped that bulk mud enters the effect of the first septic tank.Enter the fermentation resistates mud-water separation under the effect of gravity in the first septic tank 21, it mixes at the middle and upper levels to have the liquid of mud to promote under the effect of sump pump to enter 22 pairs of liquid that enter wherein of the second septic tank 22, the second septic tank and carries out mud-water separation for the second time.Through liquid after mud-water separation for the second time, by the pore 25 on the second septic tank 22 pool walls, enter in separate tank 30, final relief outlet 31 on separate tank 30 is discharged as irrigation water, mud in separate tank 30 under precipitation separation can be by manually digging out, and as fertilizer sources is used.
Fowl and animal excrement is processed successively in the first methane-generating pit 11, the second methane-generating pit 12, the 3rd methane-generating pit 13, the first septic tank 21, the second septic tank 22, the residence time is longer, not only output biogas, the mud of storing in methane-generating pit and septic tank is also good fertilizer.
In temperature lower winter, can be at the transparent plastics film 70 of the upside capping of methane-generating pit, thus the lasting supply that keeps biogas.
Claims (6)
1. for a gas collection gas storage device for methane-generating pit, it is characterized in that: this device comprises the gas skirt (40) of floating cover cap on fermented product, described gas skirt (40) inside is provided with the support frame (44) that supports described gas skirt (40) top archwise; The periphery of described gas skirt (40) is provided with the weight (41) being limited in its place methane-generating pit; The upper end of described gas skirt (40) is provided with venting port (42), and described venting port (42) locates to be provided with valve.
2. the gas collection gas storage device for methane-generating pit according to claim 1, is characterized in that: described venting port (42) is communicated with pipeline (50) by flexible pipe (43), and described pipeline (50) is connected with gas storage storehouse (60).
3. the gas collection gas storage device for methane-generating pit according to claim 1, it is characterized in that: described weight (41) is rod shape or bar-shaped, and weight (41) is set to four; Four weights (41) are separately positioned on the Si Bianchu of the close methane-generating pit pool wall of gas skirt (41).
4. the gas collection gas storage device for methane-generating pit according to claim 1, is characterized in that: described gas skirt (41) is software material.
5. the gas collection gas storage device for methane-generating pit according to claim 3, is characterized in that: described rod shape or bar-shaped weight (41) are fixedly connected by rope or chain and described gas skirt (40).
6. the gas collection gas storage device for methane-generating pit according to claim 3, it is characterized in that: on four pool walls of methane-generating pit, be provided with the draw-in groove (18) matching with described rod shape or bar-shaped weight (41), the both ends of described weight (41) are fastened in draw-in groove (18), and the direction that weight (41) can limit along draw-in groove (18) moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684529.5A CN103667031A (en) | 2013-12-13 | 2013-12-13 | Gas collection and storage device for biogas digester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684529.5A CN103667031A (en) | 2013-12-13 | 2013-12-13 | Gas collection and storage device for biogas digester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103667031A true CN103667031A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684529.5A Pending CN103667031A (en) | 2013-12-13 | 2013-12-13 | Gas collection and storage device for biogas digester |
Country Status (1)
| Country | Link |
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| CN (1) | CN103667031A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921027Y (en) * | 2006-04-07 | 2007-07-11 | 兰远林 | Sunlight methane tank |
| CN201890879U (en) * | 2010-11-20 | 2011-07-06 | 吕景海 | Floating cover type marsh gas tank |
| CN102134151A (en) * | 2010-12-09 | 2011-07-27 | 宋志祥 | Drift folded marsh gas collector |
| CN202786228U (en) * | 2012-06-30 | 2013-03-13 | 泉州万华世旺环保工程有限公司 | Novel flexible membrane material gas storage floating cover |
-
2013
- 2013-12-13 CN CN201310684529.5A patent/CN103667031A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921027Y (en) * | 2006-04-07 | 2007-07-11 | 兰远林 | Sunlight methane tank |
| CN201890879U (en) * | 2010-11-20 | 2011-07-06 | 吕景海 | Floating cover type marsh gas tank |
| CN102134151A (en) * | 2010-12-09 | 2011-07-27 | 宋志祥 | Drift folded marsh gas collector |
| CN202786228U (en) * | 2012-06-30 | 2013-03-13 | 泉州万华世旺环保工程有限公司 | Novel flexible membrane material gas storage floating cover |
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Application publication date: 20140326 |