CN203668389U - Fermentation and gas storage device of biogas power generation and burning utilization system - Google Patents
Fermentation and gas storage device of biogas power generation and burning utilization system Download PDFInfo
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- 238000003860 storage Methods 0.000 title claims abstract description 52
- 238000000855 fermentation Methods 0.000 title claims abstract description 37
- 230000004151 fermentation Effects 0.000 title claims abstract description 37
- 238000010248 power generation Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 41
- 239000010865 sewage Substances 0.000 abstract description 18
- 238000013461 design Methods 0.000 abstract description 2
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- 238000010438 heat treatment Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 10
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- 239000003337 fertilizer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
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- 239000002994 raw material Substances 0.000 description 5
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 4
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
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- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 238000006477 desulfuration reaction Methods 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
A fermentation and gas storage device of a biogas power generation and burning utilization system comprises a controllable header type fermentation chamber, a desulfurizer and a gas storage holder, wherein the biogas outlet of the controllable header type fermentation chamber is connected with the gas inlet of the desulfurizer through a first gas pipe; the gas outlet of the desulfurizer is connected with the gas inlet of the gas storage holder through a second gas pipe; the controllable header type fermentation chamber comprises a liquid storage pool with an open top; a feed opening is formed in the upper part on one side of the liquid storage pool; a discharge opening is formed in the lower part on the other side of the liquid storage pool; a cover plate is arranged at the top of the liquid storage pool; a motor and a speed reducer which are in transmission connection are arranged on the cover plate; the power drive end of the speed reducer is in transmission connection with a stirring shaft which vertically extends into the liquid storage pool; at least one layer of stirring blades are arranged on the stirring shaft; a hot water inlet is formed in the cover plate. The fermentation and gas storage device is reasonable in design and simple in structure, can uniformly stir sewage and dejecta in an anaerobic fermentation process, is helpful to improve biogas yield, stores biogas with better gas tightness, avoids biogas leakage, has high practicability and is easy to popularize and apply.
Description
Technical field
The utility model belongs to biogas utilization technical field, relates in particular to a kind of marsh gas power generation, burns and utilize the fermentation accumulator unit of system.
Background technology
Biogas be organic substance under anaerobic, a kind of mixed gas generating through the fermentative action of microorganism.Because this gas is swampy at first, so be called biogas.The various organism such as human and animal excreta, stalk, sewage in airtight methane-generating pit, at anaerobism (there is no oxygen) condition bottom fermentation, the methane fermentating microorganism decomposition and inversion that class is various, thereby produce biogas.Biogas is a kind of mixed gas, can burn.Biogas is the inflammable gas that organism produces through microbiological anaerobic digestion.
Biogas is the mixture of multiple gases, and generally, containing methane 50～70%, all the other are carbonic acid gas and a small amount of nitrogen, hydrogen and hydrogen sulfide etc.Its characteristic is similar to Sweet natural gas.In air as contain 8.6～20.8%(by volume) biogas time, will form volatile mixed gas.Biogas except direct burning for cooking, dry agricultural byproducts, heating, illumination and gas welding etc., also can make the industrial chemicals such as the fuel of oil engine and methanol, formalin, tetracol phenixin.Feed liquid and the sediment of after firedamp gas equipment fermentation, discharging, contain more rich nutritive substance, can be used as fertilizer and feed.
Biogas is some organic substances, and under certain temperature, humidity, acidity condition, isolated air (as with methane-generating pit), through microbial process (fermentation) and the inflammable gas of generation.It contains a small amount of hydrogen sulfide, so stink slightly.Fermentation is complicated biochemical change, has many microorganisms to participate in.Reaction roughly divides two stages: (1) microorganism becomes simple material the carbohydrate in complicated organic substance, fat, protein degradation, as lower fatty acid, alcohol, aldehyde, carbonic acid gas, ammonia, hydrogen and hydrogen sulfide etc.(2), by the effect of methane bacterial classification, make some simple materials become methane.To normally produce biogas, be necessary for microorganism and create good condition, make it can survive, breed.Methane-generating pit must meet multiple condition.First, methane-generating pit is airtight.Organic substance is fermented into biogas, is the result of multiple anerobe activity, therefore will cause the anaerobic environment of an anerobe activity.To note isolated air building when methane-generating pit, airtight, do not seep water.Secondly, in methane-generating pit, to maintain 20～40 DEG C because conventionally at this temperature factor of created gase the highest.The 3rd, methane-generating pit will have sufficient nutrient.Microorganism will survive, breed, and must from fermented material, draw nutrient.In the fermentation raw material of methane-generating pit, human and animal excreta can provide nitrogen element, and the Mierocrystalline celluloses such as the stalk of farm crop can provide carbon.The 4th, fermentation raw material will contain suitable quantity of water, and moisture 80% left and right in the fermentation raw material of general requirement methane-generating pit is too much or very few all unfavorable to aerogenesis.The 5th, the pH value general control of methane-generating pit is 7～8.5.
In the last few years, biogas was progressively promoted and was come in vast rural area as a kind of clean energy, had following effect for rural area: (1) biogas can not only solve rural energy problem, and can increase Organic Fertilizer Resources, improve quality and increase fertilizer efficiency, thereby improve crop yield, improvement soil; (2) use biogas, can save in a large number the organism such as stalk, hay, to be used for producing animal feed and as paper making raw material and handicraft starting material; (3) set up biogas and can reduce the phenomenon of haggling trees and disorderly stripping vegetation, protection vegetation, makes agricultural production system progressively to cycle development; (4) set up biogas, be conducive to the generation of environment purification and minimizing disease.This is that the germ mortality in human and animal excreta, improves environmental health condition because in methane-generating pit fermentative processing process; (5) with the biogas illumination of cooking, both saved household economy spending, the work time of saving again housewife, reduce labour intensity; (6) use natural pond fertilizer, improve agricultural product quality and quality, increase income, reduce agricultural pollution, for Agricultural product without pollution lays the foundation.Conventional material cycle utilize the type ecosystem mainly contain plant husbandry-aquaculture-biogas engineering three in conjunction with, aquaculture-fishery-plant husbandry three in conjunction with and the type such as the ecological engineering of aquaculture-fishery-forestry three combinations.It is the most general that wherein the material cycle of plant husbandry-aquaculture-biogas engineering three combinations is utilized the application of type ecological engineering, and effect is best.
But the raw material in the anaerobically fermenting pond in existing biogas fermentation treatment system exists and stirs inhomogeneous problem, has influence on biogas output, in addition, the gas storage holder sealing effectiveness storing for biogas is poor, easily produces gas leakage, and the standing storage that has influence on biogas is used.
Utility model content
The utility model is in order to solve weak point of the prior art, the fermentation accumulator unit that provide that a kind of biogas output is high, the marsh gas power generation of gas storage holder good airproof performance, burning utilizes system.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: marsh gas power generation, burning utilize the fermentation accumulator unit of system, comprise controlled cluster case type proving room, devulcanizer and gas storage holder, the methane outlet of controlled cluster case type proving room is connected with the inlet mouth of devulcanizer by the first tracheae, and the air outlet of devulcanizer is connected with the inlet mouth of gas storage holder by the second tracheae;
Described controlled cluster case type proving room comprises the liquid storage tank of open top, one upper lateral part of liquid storage tank is provided with opening for feed, the opposite side bottom of liquid storage tank is provided with discharge port, liquid storage tank top is provided with cover plate, cover plate is provided with the motor and speed reducer being in transmission connection, and the power wheel drive end of step-down gear is connected with the stir shaft that vertically stretches to liquid storage tank inside, and stir shaft is provided with at least agitating vane of one deck, cover plate is provided with hot water inlet, and described methane outlet is offered on the cover board.
Described gas storage holder comprises the uncovered expansion box of water tank and bottom of open top, water tank and expansion box are all cylindrical, the external diameter of expansion box is less than the internal diameter of water tank, in water tank, be loaded with water, being buckled in water of the opening of expansion box, expansion box top is provided with escape pipe, water tank bottom is provided with the inlet pipe that extend into expansion box top, the top of water tank inwall is provided with baffle plate, the bottom of expansion box outer wall is provided with the limiting plate upper and lower corresponding with baffle plate, and the bottom in water tank is provided with the hound for fixing inlet pipe.
Adopt technique scheme, marsh gas power generation, burning utilizes system also to comprise sewage excrement pond, fermentation pretreatment pool, solar water heater, biogas electricity generation apparatus and biogas heating unit, the outlet of sewage excrement pond is connected with the import of fermentation pretreatment pool by the first soiling solution pipe, the outlet of fermentation pretreatment pool is connected with the import of controlled cluster case type proving room by the second soiling solution pipe, on the first soiling solution pipe and the second soiling solution pipe, be equipped with sewage valve and sump pump, the water outlet of solar water heater is connected with the hot water inlet of fermentation pretreatment pool and controlled cluster case type proving room respectively by two hot-water lines, on two hot-water lines, be respectively equipped with hot-water valve, the air outlet of gas storage holder is connected with the inlet mouth of biogas electricity generation apparatus and biogas heating unit with the 4th tracheae by the 3rd tracheae respectively, the first tracheae, the second tracheae, on the 3rd tracheae and the 4th tracheae, be equipped with air valve and tensimeter, on the 3rd tracheae and the 4th tracheae, be equipped with gas meter.
Marsh gas power generation, burning utilize the technique scheme of system to have following beneficial effect:
Sewage ight soil in sewage excrement pond is transported in fermentation pretreatment pool by sump pump, first pre-treatment contributes to lower one anaerobically fermenting operation so by fermentation, improve factor of created gase, and then through sump pump, the pretreated sewage ight soil of fermentation is transported in controlled cluster case type proving room, meanwhile contribute to ferment pre-treatment and the anaerobically fermenting of the hot water in solar water heater, motor via reducer on controlled cluster case type proving room drives stir shaft to rotate, agitating vane on stir shaft is by the sewage ight soil in liquid storage tank, improve the effect of anaerobically fermenting, thereby raising biogas output, the biogas producing enters into and in devulcanizer, carries out desulfurization, then be stored in the middle of gas storage holder, and then use respectively the gas in gas storage holder to generate electricity and heat with biogas heating unit by biogas electricity generation apparatus, heating, cook, bathing etc.
The natural pond liquid that controlled cluster case type proving room produces and natural pond slag directly as fertilizer sources apply field, also can adopt series of process to produce fertilizer.The taking-up of the natural pond slag in controlled cluster case type proving room adopts raises cover plate taking-up, and natural pond liquid is discharged by the discharge port of liquid storage tank.
Gas storage holder adopts watertight construction, when biogas is entered in expansion box and stored by inlet pipe, in the time that the air pressure in expansion box progressively increases, expansion box floating, float to after certain position, limiting plate expansion box under the stopping of baffle plate no longer floats, and now just the biogas in expansion box need to be discharged, when the air pressure in expansion box reduces, expansion box will sink.Water is by the end opening sealing of expansion box, simple in structure, good sealing effect.Hound guarantees that inlet pipe keeps vertical state.
The utility model is reasonable in design, simple in structure, and the sewage ight soil in anaerobic fermentation process is stirred, contribute to improve biogas output, the resistance to air loss that biogas stores is better, prevents biogas leakage, biogas is for generating, combustion heating etc., practical, is easy to apply.
Brief description of the drawings
Fig. 1 is two dimensional structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of controlled cluster case type proving room in Fig. 1;
Fig. 3 is the structural representation of gas storage holder in Fig. 1.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, marsh gas power generation, burning utilizes system, comprise sewage excrement pond 1, fermentation pretreatment pool 2, solar water heater 3, controlled cluster case type proving room 4, devulcanizer 5, gas storage holder 6, biogas electricity generation apparatus 7 and biogas heating unit 8, the outlet of sewage excrement pond 1 is connected with the import of fermentation pretreatment pool 2 by the first soiling solution pipe 9, the outlet of fermentation pretreatment pool 2 is connected with the import of controlled cluster case type proving room 4 by the second soiling solution pipe 10, on the first soiling solution pipe 9 and the second soiling solution pipe 10, be equipped with sewage valve 11 and sump pump 12, the water outlet of solar water heater 3 is connected with the hot water inlet of fermentation pretreatment pool 2 and controlled cluster case type proving room 4 respectively by two hot-water lines 13, on two hot-water lines 13, be respectively equipped with hot-water valve 14, the methane outlet 39 of controlled cluster case type proving room 4 is connected with the inlet mouth of devulcanizer 5 by the first tracheae 15, the air outlet of devulcanizer 5 is connected with the inlet mouth of gas storage holder 6 by the second tracheae 16, the air outlet of gas storage holder 6 is connected with the inlet mouth of biogas electricity generation apparatus 7 and biogas heating unit 8 with the 4th tracheae 18 by the 3rd tracheae 17 respectively, the first tracheae 15, the second tracheae 16, on the 3rd tracheae 17 and the 4th tracheae 18, be equipped with air valve 19 and tensimeter 20, on the 3rd tracheae 17 and the 4th tracheae 18, be equipped with gas meter 21.
Various valves are for regulating, open or close the effect on each pipe joint road above, when certain equipment goes wrong while overhauling, can close each pipe joint road.Tensimeter 20, for monitoring the pressure of controlled cluster case type proving room 4, devulcanizer 5, gas storage holder 6, the first tracheae 15, the second tracheae 16, the 3rd tracheae 17 and the 4th tracheae 1 biogas, is guaranteed the security in biogas utilization process.Gas meter 21 is for monitoring the volume of biogas electricity generation apparatus 7 and biogas heating unit 8 biogas that uses.
Controlled cluster case type proving room 4 comprises the liquid storage tank 22 of open top, one upper lateral part of liquid storage tank 22 is provided with opening for feed 23, the opposite side bottom of liquid storage tank 22 is provided with discharge port 24, liquid storage tank 22 tops are provided with cover plate 25, cover plate 25 is provided with the motor 26 and the step-down gear 27 that are in transmission connection, the power wheel drive end of step-down gear 27 is connected with the stir shaft 28 that vertically stretches to liquid storage tank 22 inside, stir shaft 28 is provided with at least agitating vane 29 of one deck, cover plate 25 is provided with hot water inlet 30, and described methane outlet 39 is opened on cover plate 25.
Sewage excrement pond 1, fermentation pretreatment pool 2, solar water heater 3, devulcanizer 5, biogas electricity generation apparatus 7 and biogas heating unit 8 in the middle of the utility model are existing mature technology, concrete structure repeats no more, wherein biogas heating unit 8 can carry out heating boiler, cook, bathing, heating etc.
The utility model is in the time that work is used, sewage ight soil in sewage excrement pond 1 is transported in fermentation pretreatment pool 2 by sump pump 12, first pre-treatment contributes to lower one anaerobically fermenting operation so by fermentation, improve factor of created gase, and then through sump pump 12, the pretreated sewage ight soil of fermentation is transported in controlled cluster case type proving room 4, meanwhile contribute to ferment pre-treatment and the anaerobically fermenting of the hot water in solar water heater 3, motor 26 on controlled cluster case type proving room 4 drives stir shaft 28 to rotate by step-down gear 27, agitating vane 29 on stir shaft 28 is by the sewage ight soil in liquid storage tank 22, improve the effect of anaerobically fermenting, thereby raising biogas output, the biogas producing enters into and in devulcanizer 5, carries out desulfurization, then be stored in the middle of gas storage holder 6, and then use respectively the gas in gas storage holder 6 to generate electricity and heat with biogas heating unit 8 by biogas electricity generation apparatus 7, heating, cook, bathing etc.
The natural pond liquid that controlled cluster case type proving room 4 produces and natural pond slag directly as fertilizer sources apply field, also can adopt series of process to produce fertilizer.The taking-up of the natural pond slag in controlled cluster case type proving room 4 adopts raises cover plate 25, takes out, and natural pond liquid is discharged by the discharge port 24 of liquid storage tank 22.
The present embodiment is not done any pro forma restriction to shape of the present utility model, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all belong to the protection domain of technical solutions of the utility model.
Claims (2)
1. marsh gas power generation, burning utilize the fermentation accumulator unit of system, it is characterized in that: comprise controlled cluster case type proving room, devulcanizer and gas storage holder, the methane outlet of controlled cluster case type proving room is connected with the inlet mouth of devulcanizer by the first tracheae, and the air outlet of devulcanizer is connected with the inlet mouth of gas storage holder by the second tracheae;
Described controlled cluster case type proving room comprises the liquid storage tank of open top, one upper lateral part of liquid storage tank is provided with opening for feed, the opposite side bottom of liquid storage tank is provided with discharge port, liquid storage tank top is provided with cover plate, cover plate is provided with the motor and speed reducer being in transmission connection, and the power wheel drive end of step-down gear is connected with the stir shaft that vertically stretches to liquid storage tank inside, and stir shaft is provided with at least agitating vane of one deck, cover plate is provided with hot water inlet, and described methane outlet is offered on the cover board.
2. marsh gas power generation according to claim 1, burning utilizes the fermentation accumulator unit of system, it is characterized in that: described gas storage holder comprises the uncovered expansion box of water tank and bottom of open top, water tank and expansion box are all cylindrical, the external diameter of expansion box is less than the internal diameter of water tank, in water tank, be loaded with water, being buckled in water of the opening of expansion box, expansion box top is provided with escape pipe, water tank bottom is provided with the inlet pipe that extend into expansion box top, the top of water tank inwall is provided with baffle plate, the bottom of expansion box outer wall is provided with the limiting plate upper and lower corresponding with baffle plate, bottom in water tank is provided with the hound for fixing inlet pipe.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062872A (en) * | 2015-08-31 | 2015-11-18 | 重庆佰佳思沼气设备有限公司 | Soft biogas bag achieving automatic adjustment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105062872A (en) * | 2015-08-31 | 2015-11-18 | 重庆佰佳思沼气设备有限公司 | Soft biogas bag achieving automatic adjustment |
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