CN201288183Y - Novel methane fermentation device - Google Patents
Novel methane fermentation device Download PDFInfo
- Publication number
- CN201288183Y CN201288183Y CNU2008201419328U CN200820141932U CN201288183Y CN 201288183 Y CN201288183 Y CN 201288183Y CN U2008201419328 U CNU2008201419328 U CN U2008201419328U CN 200820141932 U CN200820141932 U CN 200820141932U CN 201288183 Y CN201288183 Y CN 201288183Y
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
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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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Treatment Of Sludge (AREA)
Abstract
A new methane ferment device belongs to the methane ferment equipment technical field for solving the problems that the prior methane ferment pot has local dead angles and is low in unit volume gas production rate and not complete in desulfurization and dehydration. A ferment pot employed is that a heat-insulating layer is peripherally mounted at a pot body, a plurality of feeding branch tubes, a lightning arrester, a safety valve and a gas transmission pipe are mounted on the top of the pot, a plurality of residue extraction branch tubes are mounted on the bottom of the pot, a plurality of temperature monitoring meters and ferment pots of acid-base scale monitoring meters are inserted and connected in the pot body, the feeding branch tubes of the ferment pot are connected with a material transporting pipe in parallel to be further connected with a raw material stirring tank by a charging pump, the residue extraction branch tubes on the bottom of the ferment pot are connected with a slag discharge pipe in parallel to be further connected with a slag tank and a slag charge separated tube to be further connected with the raw material stirring tank, the gas transmission pipe arranged on the top of the ferment pot is connected with an explosion-proof dehydration pot, an escape pipe of the explosion-proof dehydration pot is sequentially connected with a desulfurization pot from a gas transmission pump and a methane purifying separator to be connected with a gas reservoir, and the gas transmission pipe of the gas reservoir is connected with a user pipe network. The structure is new, and the device is applicable to large-sized and medium-sized methane continuous ferment production systems.
Description
Technical field
The utility model belongs to a kind of ground or half ground biogas fermentation device in the biogas fermentation equipment technical field.
Background technology
Biogas is a kind of abundant emerging energy, is used widely in people's lives and industrial and agricultural production at present.Along with the utilization of continually developing of biogas, also more and more higher to the technical requirements of biogas production device.In known technology, existing marsh-gas fermentation tank mainly is by former feed bin, the raw material stirring pond, boiler, feeding pump, carrier pipe, fermentor tank, slag charge storage pond, pneumatic tube, gas-holder is formed, particularly opening for feed of system left respectively by fermentor tank on tank body and top cover, a discharge port, and mostly be the disposable last property discharging that feeds intake, it is inhomogeneous that it goes out charging, often cause the interior part of fermentor tank to have the dead angle, the phenomenon of being detained when the fermentation raw material part is long, thereby make the volume of fermentor tank be not fully utilized, the unit volume factor of created gase is low, and the dehydration desulfurization is not thorough, bring inconvenience to use, the continuous development of following biogas fermentation to produce awaits further research and development continuous dosing, discharging continuously, the marsh gas fermentation unit of continuous gas transmission.
Summary of the invention
In order to overcome the deficiency of prior art, solve the interior part of existing marsh-gas fermentation tank and have dead angle, low, the halfway problem of dehydration desulfurization of unit volume factor of created gase.The purpose of the utility model provides a kind of novel structure, design innovation, the fermentation raw material that fermentor tank is entered is uniformly dispersed, discharge is abundant, solve the phenomenon that raw material is detained when the part is long in jar, unit volume is produced biogas amount height, and desulfurization dewatering is comparatively thorough, be suitable for continuous production, new-type biogas fermentation device safe and convenient to use.
The technical scheme in the invention for solving the above technical problem is:
A kind of marsh gas fermentation unit, it is provided with fermentor tank, former feed bin, the raw material stirring pond, boiler, feeding pump (or loader of pressure-pot), carrier pipe, the slag charge pond, pneumatic tube, explosion-proof water knockout, digester, methane purification separator, gas-holder, fermentor tank is that the tank body periphery is equipped with thermal insulation layer, several feed-inputing branched pipes are equipped with in the tank top, thunder arrester, safety valve, pneumatic tube, pot bottom is equipped with several deslagging material arms, the tank body interpolation is connected with the fermentor tank of several temperature monitoring tables and several potential of hydrogen monitoring forms, the feed-inputing branched pipe of fermentor tank also is connected on the carrier pipe by feeding pump (or loader of pressure-pot) connection raw material stirring pond, the deslagging material arm of fermentor tank bottom also is connected in slag charge and goes out on the pipe, slag charge goes out pipe coupling slag charge pond and is fitted with slag charge to be in charge of connection raw material stirring pond, the pneumatic tube at fermentor tank top connects explosion-proof water knockout, the escape pipe of explosion-proof water knockout connects digester successively by gasing pump, connect gas-holder behind the methane purification separator, the pneumatic tube of gas-holder connects user's pipe network.
Above-mentioned marsh gas fermentation unit, described gasing pump connects the second dehydration jar, and the second dehydration jar connects digester again; The pneumatic tube of gas-holder connects user's pipe network after connecting explosion-proof water knockout more again.
Above-mentioned marsh gas fermentation unit, several temperature monitoring tables that described fermentor tank interpolation connects are that the axial and spaced radial 100～200cm apart from the minimum 50cm of tank body perisporium is provided with in tank body, several potential of hydrogen monitoring forms be provided with the size of space and temperature monitoring epiphase with and interlaced setting, temperature monitoring table and potential of hydrogen monitoring form the best are uniform setting.
Above-mentioned marsh gas fermentation unit, described fermentor tank be a jar internal pressure be set to malleation P≤0.008MPa, negative pressure P 〉=-0.0001MPa, the bottom of tank body and top are shaped on respectively detects the hole.
Above-mentioned marsh gas fermentation unit, several feed-inputing branched pipes of described fermentor tank top load are that diameter is the arm of 6～15cm, and every arm area coverage in fermentor tank is 6～8m
2Be installed on the fermentor tank end socket, it is that diameter is the arm of 15～25cm that fermentor tank bottom load several go out the slag charge arm, and every goes out slag charge arm area coverage is 6～8m
2Load is on tank body bottom (head) and perisporium.
Above-mentioned marsh gas fermentation unit, the feed-inputing branched pipe exit end of described fermentor tank top load is fitted with conical shunting cap.
Above-mentioned marsh gas fermentation unit, described fermentation tank body inner bottom part also is equiped with flush pipe, the flush pipe bottom is attached on the underseal head tank wall for relative circular arc bottom tube is fixedly connected, its spray orifice sprays to vertically downward and to fermentor tank center position device, be fitted with on the circular arc bottom tube and upwards erect arm, on circular arc bottom tube and setting arm, be shaped on spray orifice or shower nozzle is housed, the natural pond liquid section in the outer storage of slag charge in succession of flush pipe pond, wash away tank body with natural pond liquid, or the outer gasing pump of pneumatic tube in succession of flush pipe, utilizing has the biogas of pressure to wash away fermentor tank and go out the slag charge pipe.
The utility model connects on the pneumatic tube of explosion-proof water knockout, is equiped with gas analyzer respectively on the explosion-proof water knockout escape pipe at fermentor tank, connect at fermentor tank on the pneumatic tube of explosion-proof water knockout also to be fitted with gas meter.
The utility model also is provided with ZQFJ type industrial control computer and connects fermentor tank, feeding pump, raw material stirring pond, under meter, gasing pump, gas analyzer respectively, shows and control.
When the utility model uses, utilize cow dung, or pig manure, or sheep excrement, or goose excrement etc. holds poultry manure, or various agricultural crop straws, or more than hold poultry manure, stalk, any two kinds and two or more of industrial or agricultural organic waste according to after the mixed of setting, when utilizing stalk, that stalk is disconnected through hand hay cutter, tear or grinding and processing, add nitrogenous conditioning agents such as quantitative urea, add material quantity 20～50% contain the bacterium inoculum, go into the raw material stirring pond and stir, have boiler to supply with again and add 40～65 ℃ of hot water, be input to fermentor tank by feeding pump through carrier pipe and feed-inputing branched pipe, jar inner control feed temperature is 35 ± 2 ℃ middle temperature, or under 53 ± 2 ℃ the hot conditions, carries out fermentation gas, fed intake in first day, and got final product aerogenesis next day.Slag charge behind the aerogenesis by fermentation, be equipped with that slag charge that several deslagging material arms are communicated with goes out that pipe is discharged to the slag charge pond and be in charge of by fermentor tank bottom the part slag charge is fed back to the raw material stirring pond as containing the bacterium inoculum, deliver to fertilizer source mill after the slag charge in slag charge pond is concentrated and manufacture pollution free organic fertilizer by slag charge.The biogas that fermentor tank produces is transported to explosion-proof water knockout by the top pneumatic tube and carries out explosion-proof dehydration, the escape pipe of explosion-proof water knockout by gasing pump pressurization and second dehydration after, connect digester successively and carry out desulfurization, reenter methane purification separator, contained carbonic acid gas is proposed and carries to be used for agricultural or industrial production, methane gas after the purification is delivered to gas-holder, and the flammable biogas (methane gas) of gas-holder is transported to user's pipe network, or connects user's pipe network once more behind explosion-proof water knockout.The fermentation operation proceed to set the period after, the material in the emptying fermentor tank carries out overhaul of the equipments simultaneously and reloads greatly.In the process of fermentation system normal gas producing, regularly regularly wash away by the flush pipe of opening fermentation tank body inner bottom part, eliminate the local dead angle in the fermentor tank, move safely and efficiently to guarantee fermentation system.。
Because technique scheme has been adopted in the utility model design, effectively there are dead angle, low, the halfway problem of desulfurization dewatering of unit volume factor of created gase in the part in the existing marsh-gas fermentation tank of solution.Show through the test result on trial, it compared with prior art, has novel structure, design innovation utilizes the agricultural by-products stalk, feces of livestock and poultry, industrial or agricultural organic waste or the like, abundant raw material, stalk and ight soil are handled without stack retting, directly decompose soon with dry-matter, the fermentation raw material that fermentor tank is entered is uniformly dispersed, and discharge is abundant, solved the phenomenon that raw material is detained when the part is long in jar, unit volume is produced biogas amount height, and aerogenesis is stable, and cost is lower, and desulfurization dewatering is comparatively thorough, be suitable for continuous production, operate advantages such as simple and easy, safe and convenient to use, be applicable to big, medium-sized biogas fermentation production system, the biogas that produces is used for industrial production, rural area and Urban House sub-district central gas supply etc.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the concrete structure sketch of the utility model embodiment.
Each label is in the accompanying drawing: 1 former feed bin; 2 raw material stirring ponds; 3 feeding pumps; 4 boilers; 5 carrier pipes; 6 feed-inputing branched pipes; 7 thunder arresters; 8 pneumatic tubes; 9 safety valve; 10 temperature monitoring tables; 11 potential of hydrogen monitoring forms; 12 detect the hole; 13 deslagging material arms; 14 explosion-proof water knockouts; 15 under meters; 16 gas analyzers; 17 gasing pumps; 18 second dehydration jars; 19 digesters; 20 methane purification separators; 21 gas-holder; The explosion-proof water knockout of 22 secondaries; 23 user's pipe networks; 24 slag charge ponds; 25 fermentor tanks.
Embodiment
Embodiment as shown in Figure 1, the utility model is provided with: fermentor tank 25, former feed bin 1, raw material stirring pond 2, boiler 4, feeding pump 3, carrier pipe 5, slag charge pond 24, pneumatic tube 8, gasing pump 17, explosion-proof water knockout 14, digester 19, methane purification separator 20, gas-holder 21, fermentor tank 25 is that the tank body periphery is equipped with thermal insulation layer, several feed-inputing branched pipes 6 are equipped with in the tank top, thunder arrester 7, safety valve 9, pneumatic tube 8, pot bottom is equipped with several deslagging material arms 13, the tank body interpolation is connected with the fermentor tank of several temperature monitoring tables 10 and several potential of hydrogen monitoring forms 11, feed-inputing branched pipe is that diameter is the arm of 8cm, and every arm area coverage in fermentor tank is 6m
2Be installed on the fermentor tank end socket, deslagging material arm is that diameter is the arm of 25cm, and every deslagging material arm area coverage is 7m
2Load is on tank body bottom (head) and perisporium, the fermentor tank internal pressure is set to malleation P0.006MPa, negative pressure is P-0.00012MPa, each is shaped on 1 detection hole respectively the bottom of tank body and top, also feed-inputing branched pipe 6 exit end in fermentor tank 25 top loads are fitted with conical shunting cap, temperature monitoring table in jar is all arranged for the axial and spaced radial 160cm apart from tank body perisporium 50cm in tank body, the 11 alternate uniform settings of potential of hydrogen monitoring form with temperature monitoring table 10, the feed-inputing branched pipe 6 of fermentor tank 25 also is connected in carrier pipe 5 by feeding pump 3 connection raw material stirring ponds 2, the deslagging material arm 13 of fermentor tank 25 bottoms also is connected in slag charge and goes out pipe coupling slag charge pond 24 and be fitted with slag charge to be in charge of and to be communicated with raw material stirring pond 2, the pneumatic tube 8 at fermentor tank 25 tops connects explosion-proof water knockout 14, the escape pipe of explosion-proof water knockout 14 connects second dehydration jar 18 by gasing pump 17, second dehydration jar 18 connects digester 19 again, digester 19 connects methane purification separator 20 backs and connects gas-holder 21 by gasing pump 17, and the pneumatic tube of gas-holder 21 connects user's pipe network 23 after connecting explosion-proof water knockout 22 earlier again.
Claims (9)
1, a kind of marsh gas fermentation unit, it is provided with fermentor tank, former feed bin, the raw material stirring pond, boiler, feeding pump, carrier pipe, slag charge storage pond, pneumatic tube, gas-holder, it is characterized in that, also be provided with explosion-proof water knockout (14), digester (19), gasing pump (17), methane purification separator (20), fermentor tank is that the tank body periphery is equipped with thermal insulation layer, several feed-inputing branched pipes (6) are equipped with in the tank top, thunder arrester (7), safety valve (9), pneumatic tube (8), pot bottom is equipped with several deslagging material arms (13), the tank body interpolation is connected with the fermentor tank (25) of several temperature monitoring tables (10) and several potential of hydrogen monitoring form (11), the feed-inputing branched pipe (6) of fermentor tank (25) also is connected in carrier pipe by feeding pump connection raw material stirring pond, the deslagging material arm (13) of fermentor tank (25) bottom also is connected in slag charge and goes out pipe coupling slag charge pond and be fitted with slag charge to be in charge of and to be communicated with the raw material stirring pond, the pneumatic tube at fermentor tank (25) top connects explosion-proof water knockout (14), the escape pipe of explosion-proof water knockout (14) connects digester (19) successively, methane purification separator 20) back is connected to gas-holder by gasing pump (17), and the pneumatic tube of gas-holder connects user's pipe network.
2, marsh gas fermentation unit according to claim 1 is characterized in that, the escape pipe of explosion-proof water knockout (14) connects second dehydration jar (18) by gasing pump, and second dehydration jar (18) connects digester (19) again.
3, marsh gas fermentation unit according to claim 1 is characterized in that, the pneumatic tube of gas-holder connects user's pipe network after connecting explosion-proof water knockout earlier again.
4, marsh gas fermentation unit according to claim 1, it is characterized in that, the temperature monitoring table (10) that fermentor tank (25) interpolation connects is that the axial and spaced radial 100～200cm apart from the minimum 50cm of tank body perisporium is provided with in tank body, several potential of hydrogen monitoring forms (11) be provided with the size of space and temperature monitoring epiphase with and interlaced setting, temperature monitoring table (10) and potential of hydrogen monitoring form (11) the best are uniform setting.
5, marsh gas fermentation unit according to claim 1 is characterized in that, fermentor tank (a 25) jar internal pressure be provided with malleation be P≤0.008MPa, negative pressure be P 〉=-0.0001MPa, the bottom of tank body and top are shaped on respectively detects the hole.
6, marsh gas fermentation unit according to claim 1 is characterized in that, several feed-inputing branched pipes (6) of fermentor tank (25) top load are the arm of diameter 6～15cm, and every arm area coverage in fermentor tank is 6～8m
2Be installed on the fermentor tank end socket, several deslagging material arms (13) of fermentor tank (25) bottom load are the arm of 15～25cm for diameter, and every goes out slag charge arm area coverage is 6～8m
2Load is on tank body bottom (head) and perisporium.
According to claim 1 or 6 described marsh gas fermentation units, it is characterized in that 7, feed-inputing branched pipe (6) exit end of fermentor tank (25) top load is fitted with conical shunting cap.
8, marsh gas fermentation unit according to claim 1, it is characterized in that, fermentor tank (25) bottom also is equiped with flush pipe, the flush pipe bottom is attached on the underseal head tank wall for relative circular arc bottom tube is fixedly connected, its spray orifice sprays to vertically downward and to fermentor tank center position device, be fitted with on the circular arc bottom tube and upwards erect arm, at the circular arc bottom tube with erect on the arm and be shaped on spray orifice or shower nozzle is housed, flush pipe is the natural pond liquid section in slag charge storage pond in succession outward.
9, marsh gas fermentation unit according to claim 8 is characterized in that, the outer gasing pump of pneumatic tube in succession of the flush pipe of fermentor tank (25) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201419328U CN201288183Y (en) | 2008-09-10 | 2008-09-10 | Novel methane fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201419328U CN201288183Y (en) | 2008-09-10 | 2008-09-10 | Novel methane fermentation device |
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| Publication Number | Publication Date |
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| CN201288183Y true CN201288183Y (en) | 2009-08-12 |
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| CNU2008201419328U Expired - Lifetime CN201288183Y (en) | 2008-09-10 | 2008-09-10 | Novel methane fermentation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212462A (en) * | 2011-05-13 | 2011-10-12 | 沈阳农业大学 | Solid phase and liquid phase integrated methane fermenting device |
| CN101665763B (en) * | 2009-09-28 | 2011-12-14 | 焦作市华中能源科技有限公司 | Material loading system for producing marsh gas by utilizing straw fermentation |
| CN101709005B (en) * | 2009-12-16 | 2012-03-21 | 江西省一元数码科技有限公司 | Biological quick treatment device for organic wastes |
| CN102676588A (en) * | 2012-05-10 | 2012-09-19 | 新地能源工程技术有限公司 | Method and device for preparing biogas by utilizing traditional Chinese medicine (TCM) dregs |
| CN103387937A (en) * | 2013-08-08 | 2013-11-13 | 李砚飞 | Methane fermentation device for all-buried concrete pouring interlayer-composite cylindrical main body type fermentation tank with volume of 1,000m<3> or over |
| EP3406702A1 (en) * | 2017-05-24 | 2018-11-28 | Ipsb | System and method for producing biogas |
| CN110551609A (en) * | 2019-09-26 | 2019-12-10 | 芜湖市科邦新能源科技有限公司 | Little biomass fuel fermentation conversion reaction equipment |
-
2008
- 2008-09-10 CN CNU2008201419328U patent/CN201288183Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665763B (en) * | 2009-09-28 | 2011-12-14 | 焦作市华中能源科技有限公司 | Material loading system for producing marsh gas by utilizing straw fermentation |
| CN101709005B (en) * | 2009-12-16 | 2012-03-21 | 江西省一元数码科技有限公司 | Biological quick treatment device for organic wastes |
| CN102212462A (en) * | 2011-05-13 | 2011-10-12 | 沈阳农业大学 | Solid phase and liquid phase integrated methane fermenting device |
| CN102676588A (en) * | 2012-05-10 | 2012-09-19 | 新地能源工程技术有限公司 | Method and device for preparing biogas by utilizing traditional Chinese medicine (TCM) dregs |
| CN103387937A (en) * | 2013-08-08 | 2013-11-13 | 李砚飞 | Methane fermentation device for all-buried concrete pouring interlayer-composite cylindrical main body type fermentation tank with volume of 1,000m<3> or over |
| EP3406702A1 (en) * | 2017-05-24 | 2018-11-28 | Ipsb | System and method for producing biogas |
| FR3066766A1 (en) * | 2017-05-24 | 2018-11-30 | Ipsb | SYSTEM AND METHOD FOR PRODUCING BIOGAS |
| CN110551609A (en) * | 2019-09-26 | 2019-12-10 | 芜湖市科邦新能源科技有限公司 | Little biomass fuel fermentation conversion reaction equipment |
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