CN105567561A - Underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation - Google Patents
Underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation Download PDFInfo
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Abstract
The invention relates to an underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation. The biogas digester comprises a first-stage anaerobic pool, a second-stage anaerobic pool, a purifying pool, a discharging pool and a gas storage tank; the purifying pool, the first-stage anaerobic pool and the second-stage anaerobic pool are built below the ground plane, the purifying pool is connected with the first-stage anaerobic pool through a first-stage anaerobic pool feeding pipe, the first-stage anaerobic pool is built in the second-stage anaerobic pool and connected with the second-stage anaerobic pool through a communicating guide pipe, the first-stage anaerobic pool is connected with the discharging pool through a first-stage anaerobic pool discharging pipe, the second-stage anaerobic pool is connected with the discharging pool through a second-stage anaerobic pool discharging pipe, and a gas-guide pipe on the upper portion of the first-stage anaerobic pool is connected with the upper space of the second-stage anaerobic pool which is connected with the gas storage tank through an exhausting main guide pipe. The underground-type two-stage anaerobic large-medium biogas digester achieving automatic high temperature fermentation has the advantages that by means of the two-stage anaerobic mode, fermentation of materials is sufficient, high-temperature anaerobic fermentation is achieved, the gas yield is high, the resource utilization rate is high, discharged waste materials are free of viruses and worm eggs, energy is saved, and green and environmental protection is achieved.
Description
Technical field
The present invention relates to technical field of methane, be specifically related to the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic.
Background technology
Along with the progress of China's expanding economy, society, biogas is more and more applied in daily life and industrial production.Comprehensive utilization make good use of methane-generating pit not only can save energy, improvement and protection of the environment, also have many benefits such as development of saving chemical fertilizer and agricultural chemicals, the seed output and quality of raising farm crop, promotion and drive animal husbandry.
But the shortcoming of methane-generating pit of the prior art is: the energy automatically regulating temperature system at substantial, resource utilization is low, and gas production rate is low, and can cause the problem of certain pollution to environment.
Summary of the invention
The object of the invention is for deficiency of the prior art, the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of underground type two-stage anaerobic of a kind of less energy-consumption, high yield tolerance, environmental protection is provided.
For achieving the above object, the invention discloses following technical scheme:
The big-and-middle-sized methane-generating pit of a kind of automatic thermophilic fermentation of underground type two-stage anaerobic, comprises one-level anaerobic pond, secondary anaerobic pond, treating pond, discharge pond and gas storage holder:
Treating pond, one-level anaerobic pond and secondary anaerobic pond are built in below ground level, treating pond is by connecting one-level anaerobic pond to one-level anaerobic pond feed-pipe, one-level anaerobic pond is built in secondary anaerobic pond, one-level anaerobic pond is by UNICOM's tubes connection secondary anaerobic pond, one-level anaerobic pond connects discharge pond by one-level anaerobic pond drainage conduit, secondary anaerobic pond connects discharge pond by secondary anaerobic pond drainage conduit, one-level anaerobic pond upper airway connects secondary anaerobic pond upper space, and secondary anaerobic pond connects gas storage holder by exhaust common excretory duct;
Be provided with baffle plate in described secondary anaerobic pond, UNICOM's conduit is in the side of baffle plate;
Methane-generating pit top is provided with corrosion preventing steel plate, and corrosion preventing steel plate top is provided with high-temperature heat-gathering water tank, and high-temperature heat-gathering water tank upper is the aluminium sheet scribbling solar paint, aluminium sheet is two hollow sunlight boards;
Described one-level anaerobic pond pool wall place is provided with the first constant temperature water tank, secondary anaerobic Chi Chibichu is provided with the second constant temperature water tank, first constant temperature water tank and the second constant temperature water tank mutually through by the coil pipe be positioned at bottom secondary anaerobic pond, and connect high-temperature heat-gathering water tank by pipeline, constant temperature water tank temperature sensor and high-temperature heat-gathering water tank temperature sensor is respectively equipped with in second constant temperature water tank and high-temperature heat-gathering water tank, two sensors all connect outside housing, and housing connects high-temperature water recycle pump and water at low temperature recycle pump;
Described high-temperature water recycle pump one end connects high-temperature heat-gathering water tank by pipeline, and the other end is by the coil pipe bottom Y-tube connection secondary anaerobic pond and the second constant temperature water tank; Water at low temperature recycle pump one end connects the filling pipe of high-temperature heat-gathering water tank by pipeline, and the other end is by the coil pipe bottom opposite side bottom Y-tube connection secondary anaerobic pond and the second constant temperature water tank.
Further, described treating pond is provided with to treating pond feed-pipe with to one-level anaerobic pond feed-pipe, is equipped with mesh screen, is provided with switch to one-level anaerobic pond feed-pipe to treating pond feed-pipe with on one-level anaerobic pond feed-pipe; Settling pit is provided with bottom treating pond; Treating pond is provided with stirrer.
Further, described methane tank body outer setting thermal insulation layer, the bonding radioprotective aluminum foil plate in the outside of thermal insulation layer.
Further, girder steel skeleton is provided with in described high-temperature heat-gathering water tank and the second constant temperature water tank.
Further, described methane-generating pit top is provided with detection skylight hole, is provided with detect aperture bottom one-level anaerobic pond.
Further, top, described discharge pond is skylight cover plate, and bottom is discharge pond base and discharge bay wall wall.
Further, methane-generating pit bottom base is reinforced concrete foundation base, and plain concrete cushion layer and original soil rammed layer have been built in base bottom, and builds and overarch.
Further, described high-temperature heat-gathering water tank and the second constant temperature water tank are equipped with liquid level and take into account purging valve, and liquid level takes into account purging valve connection control cabinet.
Further, described gas storage holder connects dehydration tower, thionizer, roots blower and biogas pressure pan successively by pipeline, biogas pressure pan separates cooking tracheae, generating tracheae and High-pressure Marsh Gas stirring pipe, High-pressure Marsh Gas stirring pipe pipeline is stretched into one-level anaerobic pond and secondary anaerobic pond is inner, realizes gas stirring by High-pressure Marsh Gas stirring pipe venting hole.
Further, described methane-generating pit top is the low northern high slope type structure in south, and ground level is concordant with methane-generating pit water tank bottom in the south.
The big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic disclosed by the invention, has following beneficial effect:
Two-stage anaerobic material fermentation is abundant, and high-temperature anaerobic fermentation gas production rate is high, and resource utilization is high, discharges the virus-free and worm's ovum of waste material, saves the energy, environmental protection.Arch base base integral is strong, and power is disperseed, without the need to thickened reinforced, reduce construction costs, can build in any complex area simultaneously, complex area is built, not by the restriction of address intensity size.This patent is heated without the need to burning boiler manufacture hot water, and all heat energy of methane-generating pit material relies on the air in the sunlight of the sun and nature to heat and insulation completely, solves the energy greatly, also solves the environmental pollution that burning boiler causes.Solve print parallel feeding and mix discharge, having a large amount of virus and sick worm's ovum in the natural pond slag of discharge and natural pond liquid, very easily cause the danger of secondary environmental pollution, also solve mixing discharge simultaneously, the drawback that old material is not arranged not go out forever.
Accompanying drawing explanation
Fig. 1 is orthographic plan of the present invention;
Fig. 2 is input and output material sectional view;
Fig. 3 is water cycle sectional view;
Fig. 4 is biogas flow graph;
Wherein:
1-cold cycle water pump, 2-housing, 3-high temperature circulation water pump, 4-base, 5-second constant temperature water tank, 6-girder steel skeleton, 7-secondary anaerobic pond, 8-first constant temperature water tank, 9-discharge pond, 10-one-level anaerobic pond drainage conduit, 11-secondary anaerobic pond drainage conduit, 12-baffle plate, 13-one-level anaerobic pond, 14-UNICOM conduit, 15-is to one-level anaerobic pond feed-pipe, 16-is to treating pond feed-pipe, 17-mesh screen, 18-treating pond, 19-stirrer, 20-settling pit, 21-one-level anaerobic pond upper airway, 22-detects skylight hole, 23-thermal insulation layer, 24-is vented common excretory duct, 25-skylight cover plate, 26-ground level, 27-detect aperture, 28-high-temperature heat-gathering water tank, 29-aluminium sheet, the two hollow sunlight board of 30-, 31-temperature sensor, 32-liquid level takes into account purging valve, 33-temperature sensor, 34-Y-tube, 35-High-pressure Marsh Gas stirring pipe venting hole, 36-coil pipe, 37-High-pressure Marsh Gas stirring pipe, 38-corrosion preventing steel plate, 39-gas storage holder, 40-dehydration tower, 41-thionizer, 42-roots blower, 43-biogas pressure pan, 44-cooking tracheae, 45-generating tracheae
Embodiment
Below in conjunction with embodiment, also with reference to accompanying drawing, the invention will be further described.
Refer to Fig. 1-Fig. 4.
The big-and-middle-sized methane-generating pit of a kind of automatic thermophilic fermentation of underground type two-stage anaerobic, comprises one-level anaerobic pond 13, secondary anaerobic pond 7, treating pond 18, discharge pond 9 and gas storage holder 39:
Treating pond 18, one-level anaerobic pond 13 and secondary anaerobic pond 7 are built in ground level less than 26, guarantee that methane-generating pit temperature reduces and scatter and disappear.Treating pond 18 is by connecting one-level anaerobic pond 13 to one-level anaerobic pond feed-pipe 15, one-level anaerobic pond 13 is built in secondary anaerobic pond 7, one-level anaerobic pond 13 connects secondary anaerobic pond 7 by UNICOM's conduit 14, one-level anaerobic pond 13 connects discharge pond 9 by one-level anaerobic pond drainage conduit 10, secondary anaerobic pond 7 connects discharge pond 9 by secondary anaerobic pond drainage conduit 11, one-level anaerobic pond upper airway 21 connects secondary anaerobic pond 7 upper space, and secondary anaerobic pond 7 connects gas storage holder 39 by exhaust common excretory duct 24;
Be provided with baffle plate 12 in described secondary anaerobic pond 7, UNICOM's conduit 14 is in the side of baffle plate 12;
Methane-generating pit top is provided with corrosion preventing steel plate 38, corrosion preventing steel plate 38 top is provided with high-temperature heat-gathering water tank 28, high-temperature heat-gathering water tank 28 top is the aluminium sheet 29 scribbling solar paint, aluminium sheet 29 is two hollow sunlight boards 30, two hollow sunlight board 30 has that transmittance is high, thermal conductivity is low, the feature of high insulating effect.By solar radiation, the infrared ray radiation in sunlight, on the heat absorption aluminium sheet 29 scribbling solar paint, is delivered to high-temperature heat-gathering water tank 28 heat after aluminium sheet 29 is heated.
Described one-level anaerobic pond 13 pool wall place is provided with the first constant temperature water tank 8, pool wall place, secondary anaerobic pond 7 is provided with the second constant temperature water tank 5, first constant temperature water tank 8 and the second constant temperature water tank 5 mutually through by the coil pipe 36 be positioned at bottom secondary anaerobic pond 7, and connect high-temperature heat-gathering water tank 28 by pipeline, constant temperature water tank temperature sensor 33 and high-temperature heat-gathering water tank temperature sensor is respectively equipped with in second constant temperature water tank 5 and high-temperature heat-gathering water tank 28, two sensors all connect outside housing 2, and housing 2 connects high-temperature water recycle pump 3 and water at low temperature recycle pump 1;
Described high-temperature water recycle pump 3 one end connects high-temperature heat-gathering water tank 28 by pipeline, and the other end connects coil pipe 36 bottom secondary anaerobic pond 7 and the second constant temperature water tank 5 by Y-tube 34; Water at low temperature recycle pump 1 one end connects the filling pipe of high-temperature heat-gathering water tank 28 by pipeline, and the other end is by the coil pipe bottom opposite side bottom Y-tube connection secondary anaerobic pond 13 and the second constant temperature water tank 5.Second constant temperature water tank 5 of described methane-generating pit and the adjustment of inner first constant temperature water tank 8 temperature, circulate 3 pumps through housing 2 by water at low temperature recycle pump 1 and high-temperature water, carries out high-temperature heat-gathering water tank 28 and constant temperature water tank water cycle and carry out hot water and exchange and regulate temperature.
Described treating pond 18 is provided with to treating pond feed-pipe 16 with to one-level anaerobic pond feed-pipe 15, is equipped with mesh screen 17, is provided with switch to one-level anaerobic pond feed-pipe 15 to treating pond feed-pipe 16 with on one-level anaerobic pond feed-pipe 15; Settling pit 20 is provided with bottom treating pond 18; Treating pond 18 is provided with stirrer 19.
Described methane tank body outer setting thermal insulation layer 23, in the outside of thermal insulation layer 23, bonding radioprotective aluminum foil plate, reflexes in biomass pool body by the temperature in biomass pool body, simultaneously again by the low temperature counter radiation outside biomass pool body to outside, the temperature in thermal insulation methane pool body.
Be provided with girder steel skeleton 6 in described high-temperature heat-gathering water tank 28 and the second constant temperature water tank 5, prevent water tank to be extruded, and upper tank and sunlight board can be supported.
Described methane-generating pit top is provided with detects skylight hole 22, is provided with detect aperture 27 bottom one-level anaerobic pond 13.When methane-generating pit needs maintenance, open and detect skylight hole 22, the all materials of pipe laying pump emptying on the switch and secondary anaerobic pond drainage conduit 11 of one-level anaerobic pond drainage conduit 10 again, and after opening the detect aperture 27 of one-level anaerobic pond bottom, use gas blower emptying entrap bubble, overhaul under guaranteeing security situation.
Top, described discharge pond is skylight cover plate 25, and bottom is discharge pond base and discharge bay wall wall.
Methane-generating pit bottom base 4 is reinforced concrete foundation base, plain concrete cushion layer and original soil rammed layer have been built in base 4 bottom, and build and overarch, add compressive resistance and globality, can not be out of shape in the unsteady situation of ground and reduce rate of descent, reduce concrete foundation thickness, reduce construction costs.
Described high-temperature heat-gathering water tank 28 and the second constant temperature water tank 5 are equipped with liquid level and take into account purging valve 32, and liquid level takes into account purging valve 32 connection control cabinet 2.
Described gas storage holder 39 connects dehydration tower 40, thionizer 41, roots blower 42 and biogas pressure pan 43 successively by pipeline, biogas pressure pan 43 separates cooking tracheae 44, generating tracheae 45 and High-pressure Marsh Gas stirring pipe 37, High-pressure Marsh Gas stirring pipe 37 pipeline is stretched into one-level anaerobic pond 13 and secondary anaerobic pond 7 is inner, realizes gas stirring by High-pressure Marsh Gas stirring pipe venting hole 35.For making to stir, High-pressure Marsh Gas pipeline arranging multiple duct and stirs.
Described methane-generating pit top is the low northern high slope type structure in south, is convenient to heat absorption and daylighting, and ground level is concordant with methane-generating pit water tank bottom in the south, and direct sunlight heat absorption is many, and the water temp that high-temperature heat-gathering water tank is 28 li can be preserved for a long time.
First flowing to by plant the material come enters to treating pond feed-pipe 16, arranges mesh screen 17 and filters decon, enter into treating pond 18 on treating pond feed-pipe 16.Arrange stirrer 19 pairs of materials in treating pond 18 to stir, after stirring, open switch, through automatically flowing into one-level anaerobic pond 13 to one-level anaerobic pond feed-pipe 15.The complete closing switch of discharge, prevents air from entering, and the silt foreign material in treating pond 18 are deposited in the settling pit 20 bottom treating pond.The methane-generating pit complete waste material that ferments enters discharge pond 9 through drainage conduit.
When the material that treating pond 18 is drained into one-level anaerobic pond 13 exceedes the height of UNICOM's conduit 14, will by the material in one-level anaerobic pond 13 body under the effect of pressure difference by UNICOM's conduit 14, automatically the side of the vertical standing baffle 12 in secondary anaerobic pond 7 is drained into, enter in secondary anaerobic pond 7, carry out one-way circulation one Zhou Houzai and flow to baffle plate 12 offside.Secondary anaerobic pond 7 material fermentation is complete to be discharged in discharge pond 9 by secondary anaerobic pond drainage conduit 11.Whole fermenting process is complete.
When methane-generating pit produces biogas, gas will be drained into top, secondary anaerobic pond 7 through one-level anaerobic pond upper airway 21, and biogas will be drained into gas storage holder 39 by exhaust common excretory duct 24 by the biogas in secondary anaerobic pond 7.
Heat exchanging process of the present invention is as follows:
The origin of heat of methane-generating pit, depends on sun power, one-level anaerobic pond 13 and the first constant temperature water tank 8, second constant temperature water tank 5 and high-temperature heat-gathering water tank 28 in secondary anaerobic pond 7.When constant temperature water tank temperature is low, by the temperature sensor in constant temperature water tank through transducer wire signal transmission to housing 2, housing 2 again signal transmission in high-temperature water circulation tube, through high-temperature water recycle pump 3, hot water to be drained into bottom methane-generating pit in coil pipe 36, coil pipe 36 and constant temperature water tank UNICOM, then by water at low temperature recycle pump 1, cold water is discharged to high-temperature heat-gathering water tank 28 from bottom coil pipe 36 the other end water at low temperature drainage duct, carry out hot water and circulating chilled water.Keep the constant temperature of constant temperature water tank.The long-term heat-collecting heat-preserving of high-temperature heat-gathering water tank 28.
When high-temperature heat-gathering water tank 28 water level is not enough, by the liquidometer on high-temperature heat-gathering water tank 28 and disjunctor purging valve 32 and wire signal transmission to housing 2, housing 2 signals to automatic water supply system, opens the moisturizing of filling pipe electromechanics magnet valve to design attitude.
Described high-temperature heat-gathering water tank 28 temperature height is that water tank temperature height understood by the temperature sensor 31 that arranged by water tank upper and wire connection control cabinet, and in constant temperature water tank, temperature height is all controlled by housing 2.Constant temperature water tank temperature higher position issues a signal to filling pipe by housing and mends cold water regulating thermostatic.
When first, second constant temperature water tank temperature is not enough by the liquid level on top take into account purging valve 32 through wire signal transmission to housing 2, housing 2 will signal to automatic circulating system, opens the moisturizing of constant temperature water tank filling pipe to design attitude.
Biogas enters into waterless gas-holder 39 on the ground through exhaust common excretory duct 24 after methane-generating pit ejects.Biogas dewaters through dehydration tower 40, enters into thionizer 41 again and to deviate from after the toxic gas hydrogen sulfide of biogas again through roots blower conduit, biogas is sucked supercharging by roots blower 42 after dehydration.Again through conduit press-in biogas pressure pan 43 after supercharging.High-pressure Marsh Gas just can be delivered to each and use the place of gas by biogas pressure pan 43, wherein has resident's cooking feed channel 44, generating biogas pipeline 45 and for methane-generating pit high-pressure stirring pipe 37.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art; under the premise of not departing from the present invention; the some improvement can also made the present invention and supplement, these improve and supplement, also should be considered as protection scope of the present invention.
Claims (10)
1. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of underground type two-stage anaerobic, is characterized in that, comprises one-level anaerobic pond, secondary anaerobic pond, treating pond, discharge pond and gas storage holder:
Treating pond, one-level anaerobic pond and secondary anaerobic pond are built in below ground level, treating pond is by connecting one-level anaerobic pond to one-level anaerobic pond feed-pipe, one-level anaerobic pond is built in secondary anaerobic pond, one-level anaerobic pond is by UNICOM's tubes connection secondary anaerobic pond, one-level anaerobic pond connects discharge pond by one-level anaerobic pond drainage conduit, secondary anaerobic pond connects discharge pond by secondary anaerobic pond drainage conduit, one-level anaerobic pond upper airway connects secondary anaerobic pond upper space, and secondary anaerobic pond connects gas storage holder by exhaust common excretory duct;
Be provided with baffle plate in described secondary anaerobic pond, UNICOM's conduit is in the side of baffle plate;
Methane-generating pit top is provided with corrosion preventing steel plate, and corrosion preventing steel plate top is provided with high-temperature heat-gathering water tank, and high-temperature heat-gathering water tank upper is the aluminium sheet scribbling solar paint, aluminium sheet is two hollow sunlight boards;
Described one-level anaerobic pond pool wall place is provided with the first constant temperature water tank, secondary anaerobic Chi Chibichu is provided with the second constant temperature water tank, first constant temperature water tank and the second constant temperature water tank mutually through by the coil pipe be positioned at bottom secondary anaerobic pond, and connect high-temperature heat-gathering water tank by pipeline, constant temperature water tank temperature sensor and high-temperature heat-gathering water tank temperature sensor is respectively equipped with in second constant temperature water tank and high-temperature heat-gathering water tank, two sensors all connect outside housing, and housing connects high-temperature water recycle pump and water at low temperature recycle pump;
Described high-temperature water recycle pump one end connects high-temperature heat-gathering water tank by pipeline, and the other end is by the coil pipe bottom Y-tube connection secondary anaerobic pond and the second constant temperature water tank; Water at low temperature recycle pump one end connects the filling pipe of high-temperature heat-gathering water tank by pipeline, and the other end is by the coil pipe bottom opposite side bottom Y-tube connection secondary anaerobic pond and the second constant temperature water tank.
2. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, it is characterized in that, described treating pond is provided with to treating pond feed-pipe with to one-level anaerobic pond feed-pipe, be equipped with mesh screen to treating pond feed-pipe with on one-level anaerobic pond feed-pipe, be provided with switch to one-level anaerobic pond feed-pipe; Settling pit is provided with bottom treating pond; Treating pond is provided with stirrer.
3. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, is characterized in that, methane tank body outer setting thermal insulation layer, the bonding radioprotective aluminum foil plate in the outside of thermal insulation layer.
4. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, is characterized in that, is provided with girder steel skeleton in described high-temperature heat-gathering water tank and the second constant temperature water tank.
5. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, it is characterized in that, methane-generating pit top is provided with detection skylight hole, is provided with detect aperture bottom one-level anaerobic pond.
6. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, is characterized in that, top, described discharge pond is skylight cover plate, and bottom is discharge pond base and discharge bay wall wall.
7. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, it is characterized in that, methane-generating pit bottom base is reinforced concrete foundation base, and plain concrete cushion layer and original soil rammed layer have been built in base bottom, and builds and overarch.
8. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, is characterized in that, described high-temperature heat-gathering water tank and the second constant temperature water tank are equipped with liquid level and take into account purging valve, and liquid level takes into account purging valve connection control cabinet.
9. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, it is characterized in that, described gas storage holder connects dehydration tower, thionizer, roots blower and biogas pressure pan successively by pipeline, biogas pressure pan separates cooking tracheae, generating tracheae and High-pressure Marsh Gas stirring pipe, High-pressure Marsh Gas stirring pipe pipeline is stretched into one-level anaerobic pond and secondary anaerobic pond is inner, realizes gas stirring by High-pressure Marsh Gas stirring pipe venting hole.
10. the big-and-middle-sized methane-generating pit of the automatic thermophilic fermentation of a kind of underground type two-stage anaerobic according to claim 1, is characterized in that, described methane-generating pit top is the low northern high slope type structure in south, and ground level is concordant with methane-generating pit water tank bottom in the south.
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Cited By (5)
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| CN105779281A (en) * | 2016-05-18 | 2016-07-20 | 曹秀保 | Ultra-large spiral automatic high-temperature anaerobic fermentation tank |
| CN106745769A (en) * | 2016-12-21 | 2017-05-31 | 兰州理工大学 | Solar constant temperature culture microalgae domestic sewage treatment system |
| CN107324492A (en) * | 2017-07-24 | 2017-11-07 | 华南农业大学 | A kind of apparatus and method of Pig raising wastewater energy recovery |
| CN107865187A (en) * | 2017-11-16 | 2018-04-03 | 广西壮族自治区畜牧研究所 | A kind of purple napier grass feed and its preparation method and application |
| CN113373041A (en) * | 2021-05-28 | 2021-09-10 | 曹秀保 | Large/ultra-large methane tank suitable for dry continuous fermentation |
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| CN1896218A (en) * | 2006-05-31 | 2007-01-17 | 袁铭鉴 | Solarheat-collecting applicator in marsh-gas fermentation pool |
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| CN105779281A (en) * | 2016-05-18 | 2016-07-20 | 曹秀保 | Ultra-large spiral automatic high-temperature anaerobic fermentation tank |
| CN105779281B (en) * | 2016-05-18 | 2017-12-08 | 曹秀保 | Super-huge spiral automatic high-temperature anaerobic fermentation pond |
| CN106745769A (en) * | 2016-12-21 | 2017-05-31 | 兰州理工大学 | Solar constant temperature culture microalgae domestic sewage treatment system |
| CN106745769B (en) * | 2016-12-21 | 2020-06-02 | 兰州理工大学 | Solar constant-temperature microalgae cultivation domestic sewage treatment system |
| CN107324492A (en) * | 2017-07-24 | 2017-11-07 | 华南农业大学 | A kind of apparatus and method of Pig raising wastewater energy recovery |
| CN107865187A (en) * | 2017-11-16 | 2018-04-03 | 广西壮族自治区畜牧研究所 | A kind of purple napier grass feed and its preparation method and application |
| CN113373041A (en) * | 2021-05-28 | 2021-09-10 | 曹秀保 | Large/ultra-large methane tank suitable for dry continuous fermentation |
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