CN201634672U - Waste straw marsh-gas centralized gas-supplying system - Google Patents
Waste straw marsh-gas centralized gas-supplying system Download PDFInfo
- Publication number
- CN201634672U CN201634672U CN201020125847XU CN201020125847U CN201634672U CN 201634672 U CN201634672 U CN 201634672U CN 201020125847X U CN201020125847X U CN 201020125847XU CN 201020125847 U CN201020125847 U CN 201020125847U CN 201634672 U CN201634672 U CN 201634672U
- Authority
- CN
- China
- Prior art keywords
- control unit
- gas
- unit
- marsh
- batch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- C12M41/48—Automatic or computerized control
-
- 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
- C12M47/12—Purification
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/59—Biological synthesis; Biological purification
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Computer Hardware Design (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to technical field of straw marsh-gas centralized gas supplying, in particular to a waste straw marsh-gas centralized gas-supplying system. The waste straw marsh-gas centralized gas-supplying system solves the problems of low degree of straw marsh-gas centralized gas-supplying automation, large labor intensity, and inconvenient management in the prior art. The pretreatment unit comprises a pressure wearing-free feeding device; the bottom of the charging bucket of the pressure wearing-free feeding device is provided with a material inlet pipe, a material outlet pipe, and the upper part of the charging bucket is provided with a positive-pressure air inlet pipe, a negative-pressure air inlet pipe; the anaerobic fermentation unit comprises a fermentation tank; the top of the fermentation tank is provided with a material-inlet spray-head, and the upper part is provided with a solar-energy heating device. The benefits are as follows: firstly, the mechanical automatic feeding keeps aerogenesis continuity; secondly, raw materials and microorganisms are fully mixed, and the efficiency is obviously increased; thirdly, solar superconducting increases and preserves temperature, so as to realize annual production of marsh-gas; fourthly, labor intensity is reduced for workers, the running cost is reduced, the management level of marsh-gas engineering is improved, and automatic control of the marsh-gas engineering system is realized.
Description
Technical field
The utility model belongs to the technical field of stalk marsh gas central gas supply, is specifically related to the discarded stalk marsh gas central gas supply system of a kind of electromechanical integration.
Background technology
Stalk marsh gas central gas supply technology is to be the unit with the natural village, builds pure stalk marsh gas fermentation unit, and gas storage equipment is transported to biogas in the man of peasant household by pipe network.Compare with other gasifying stalk mode, this technology has three big advantages: 1, calorific value height, every cubic metre of calorific value 5000-6000 of biogas kilocalorie, and stalk pyrolytic gasification aerogenesis are about every cubic metre of calorific value 1000 kilocalories.2, high efficiency is pollution-free.Stalk on the one hand produces biogas by the back of fermenting and makes fuel, also produces natural pond liquid simultaneously, the natural pond slag is made fertilizer, makes stalk obtain more effective recycling.3, the sufficient convenient management of raw material.Stalk is the inevitable outcome of agriculture production, and the district is seen everywhere at agricultural planting, wide material sources, and it is convenient to collect, and is not subjected to region and Temperature Influence, can guarantee the fermentation raw material year-round provision.
Usually the stalk marsh gas central gas supply system comprises feeding unit, fermentor tank, gas-holder etc.Feeding unit is existing to be generally the spiral material loading, but the transmission rig parts of helical feeder wear and tear easily, and mechanism usually stops up, and owing to can leak gas, can not feed in raw material in the process of follow-up fermentor tank aerogenesis.
Must adopt the stirring measure in the fermentor tank, break demixing phenomenon, promote the anaerobic digestion process measure that is very important.Agitating method at present commonly used has two kinds: first method is to stretch into sweathouse with long handle shape utensil from the methane-generating pit feed-pipe, spurs back and forth tens of times, with the fermented liquid in the agitated pool.Second method is to scoop out 10 barrels of natural pond liquid from discharge room, pours to opening for feed, and liquid manure is flowed, and plays stirring action.Also there are some methane-generating pits itself to be provided with the stir shaft that is connected with rotary power.Existing agitating method commonly used is too required great effort, and breaks down easily and stir shaft mechanism is set, and influence is used.
The heating of fermentor tank also is necessary, the heating of existing marsh-gas fermentation tank has adopts electric stove wire directly to heat in the liquid of natural pond, this type of heating heat interchanging area is little, heating efficiency is low, and the temperature of electric stove wire is very high, can be near the bacterium of electric stove wire position by its charing of burning, very big to the influence of ferment effect.
In addition, domestic most of biogas central gas supply engineerings all are to adopt simple relay logic control, and this type systematic mode is single, level of automation is lower, can only handle some switching value problems, analog quantity that can't treatment system, and electric wiring complexity, reliability are not high, the inconvenience maintenance.Because some more important data can not write down and add up in good time, make that then the operation of biogas engineering can not be convenient and swift, and easily cause the waste of resources such as labor force, raw material simultaneously.In addition, because the processing parameter in the methane station operational process (as: temperature in the condiment pond in material temperature, the USR reactor, the flow of the indoor biogas of marsh gas purifying etc.) can not onlinely show, in order to control operational conditions more accurately, need operator to carry out field monitoring, therefore, increased labour intensity, and the inconvenience management.
Summary of the invention
The utility model provides a kind of electromechanical integration to discard the stalk marsh gas central gas supply system in order to solve the above-mentioned problem that existing stalk central gas supply exists.
The utility model adopts following technical scheme to realize:
Electromechanical integration is discarded the stalk marsh gas central gas supply system, it is characterized in that comprising pretreatment unit, anaerobically fermenting unit, marsh gas purifying unit, biogas storage unit and control unit,
Described pretreatment unit comprises that the agitated pool and the pressure that are connected with the raw material conveying belt do not have the wearing and tearing feeding device, pressure does not have the wearing and tearing feeding device and comprises batch can, batch can bottom be provided with the feed-pipe that is connected with agitated pool and with the tank connected discharge nozzle that ferments, batch can top is provided with malleation inlet pipe and negative pressure suction tube;
Described anaerobically fermenting unit comprises fermentor tank, the charging shower nozzle that the setting of fermentor tank inner top links to each other with discharge nozzle, and the outer top of fermentor tank is provided with solar heat collector, and solar heat collector is connected at the superconducting pipe of fermentor tank periphery;
Control unit comprises each transmitter and each control unit that man-machine interface control unit, PLC controller and each parameter acquisition to system that is connected with the PLC controller are also controlled.
Each parameter acquisition of system and transmitter and the control unit of being controlled are comprised: conveying belt control unit, malleation air pump control unit and negative pressure air pump control unit;
And the batch can Input Control Element that is provided with on the batch can, batch can output control unit and batch can pressure transmitter;
And the control unit of slagging tap that is provided with on the fermentor tank, stir control unit, liquid level sensor and temperature sensor;
And the desulfurization dewatering control unit of marsh gas purifying unit setting;
And the storage Input Control Element of biogas storage unit setting, gas holder temperature sensor, gas holder pressure transmitter and storage output control unit.
The utlity model has following beneficial effect:
1, pressure does not have the wearing and tearing feeding device and has realized the automatic pan feeding of raw material mechanize, has solved spiral feed mechanism drive disk assembly wearing and tearing and latch up phenomenon, and fermentor tank can continue aerogenesis when reinforced, keeps the aerogenesis continuity.
2, the high-pressure spray in the fermentor tank is pressed floating no stirring-type anaerobic system, makes raw material and microorganism thorough mixing, reaches abundant inoculation and prevents the effect that stalk floats, and the conventional digestive organ that its efficiency ratio is traditional significantly improves.
3, the composite solar superconduction temperature raising and maintaining technology on the fermentor tank realizes producing biogas throughout the year, has solved fundamentally that present biogas is survived the winter and the difficult problem of air feed throughout the year.
4, by tackling key problem to discarded stalk marsh gas central gas supply engineering electromechanical integration equipment and control techniques, feed system, fermentation system, methane purifying system and biogas storage system to biogas engineering realizes mechanize, implements monitoring and control, makes each part standard, modularization, the seriation of total system.This reduces running cost for the labor capacity that reduces the workman, has improved the level of management of biogas engineering, realizes the automatic control of biogas engineering system, realizes that the optimal control of total system all is extremely important.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: 1-agitated pool, 2-batch can, 3-feed-pipe, the 4-discharge nozzle, 5-malleation inlet pipe, 6-negative pressure suction tube, the 7-fermentor tank, 8-solar heat collector, 9-superconducting pipe, 10-charging shower nozzle, 11-marsh gas purifying unit, 12-pressure pump, 13-biogas storage unit, 14-PLC controller, 15-man-machine interface control unit, 16-conveying belt control unit, 17-malleation air pump control unit, 18-negative pressure air pump control unit, 19-batch can Input Control Element, 20-batch can pressure transmitter, 21-batch can output control unit, the 22-control unit of slagging tap, 23-stirs control unit, the 24-liquid level sensor, 25-temperature sensor, 26-desulfurization dewatering control unit, 27-stores Input Control Element, 28-gas holder temperature sensor, 29-gas holder pressure transmitter, 30-stores output control unit.
Embodiment
In conjunction with the accompanying drawings embodiment of the present utility model is described further.
Electromechanical integration is discarded the stalk marsh gas central gas supply system, it is characterized in that comprising pretreatment unit, anaerobically fermenting unit, marsh gas purifying unit, biogas storage unit and control unit.
Described pretreatment unit comprises that the agitated pool 1 and the pressure that are connected with the raw material conveying belt do not have the wearing and tearing feeding device, pressure does not have the wearing and tearing feeding device and comprises batch can 2, batch can 2 bottoms are provided with feed-pipe 3 that is connected with agitated pool 1 and the discharge nozzle 4 that is connected with fermentor tank 7, and batch can 2 tops are provided with malleation inlet pipe 5 and negative pressure suction tube 6; Pressure does not have the wearing and tearing feeding device and realizes the automatic pan feeding of raw material mechanize.This device is substituted traditional helical feeder, solve wearing and tearing of spiral feed mechanism drive disk assembly and latch up phenomenon.And fermentor tank can continue aerogenesis when reinforced, keeps the aerogenesis continuity.
Described anaerobically fermenting unit comprises fermentor tank 7, the charging shower nozzle 10 that fermentor tank 7 inner top settings link to each other with discharge nozzle 4, form high-pressure spray and press floating no stirring-type anaerobic system, be factor specialized designs such as, heat conductivility difference little, mobile at densified straw, adopt the mesophilic digestion continuous dosing, the feed liquid that newly enters in digestive organ is by spraying the knock-on reaction layer, make feed liquid and raw material thorough mixing in the digestive organ, reach abundant inoculation and prevent the effect that stalk floats, the conventional digestive organ that its efficiency ratio is traditional significantly improves.
Fermentor tank 7 outer tops are provided with solar heat collector 8, and solar heat collector 8 is connected at the superconducting pipe 9 of fermentor tank 7 peripheries; Composite solar superconduction temperature raising and maintaining technology realizes producing biogas throughout the year.The solar superconducting warming apparatus is implanted in the fermentor tank, improved leavening temperature.Realize mesophilic digestion in spring, autumn, realize thermophilic fermentation in summer, only need winter a small amount of heating can realize normal fermentation.Thereby solved fundamentally that present biogas is survived the winter and the difficult problem of air feed throughout the year.
Control unit comprises each transmitter and each control unit that man-machine interface control unit 15, PLC controller 14 and each parameter acquisition to system that is connected with PLC controller 14 are also controlled.Each parameter acquisition of system and transmitter and the control unit of being controlled are comprised: conveying belt control unit 16, malleation air pump control unit 17 and negative pressure air pump control unit 18; And the batch can Input Control Element 19, batch can output control unit 21 and the batch can pressure transmitter 20 that are provided with on the batch can 2; And the control unit 22 of slagging tap that is provided with on the fermentor tank 7, stir control unit 23, liquid level sensor 24 and temperature sensor 25; And the desulfurization dewatering control unit 26 of marsh gas purifying unit 11 settings; And the storage Input Control Element 27 of biogas storage unit 27 settings, gas holder temperature sensor 28, gas holder pressure transmitter 29 and storage output control unit 30.
The stalk marsh gas engineering combines with programmable control system PLC, realizes the electromechanical integration operation.The PLC Controlling System can be according to the requirement of marsh gas fermentation process, and each parameter of technology is gathered and in addition order or logic control.According to the characteristics and the needs of biogas technology, the unit of PLC control should comprise pretreatment unit, anaerobically fermenting unit, marsh gas purifying unit and biogas storage unit.Be convenient to the emphasis process procedure is carried out field observation and operation control, system also should be provided with terminal display operation device.In addition, system should be provided with manual operation function, and is furnished with the skilled hand and moves/automatically switch, so that during driving and overhaul of the equipments, can carry out the moving operation of on-the-spot skilled hand to processing unit.
Efficient pure stalk marsh gas fermentation system modularization, stdn, seriation.Each parts of standardized designs are finished the plant machinery modular in design of input and output material system, stirring system, collecting methane system.Set up the marsh gas fermentation processes mathematical model, realize parameter evaluation system pure stalk marsh gas fermenting process auto-control; Set up the mathematics control realistic model and the system intelligence regulation and control software of biogas fermentation device, form automatization, stdn, seriation electromechanical integration suite of equipment, improve the level of automation of mass-producing biogas engineering.
Claims (2)
1. the discarded stalk marsh gas central gas supply system of electromechanical integration is characterized in that comprising pretreatment unit, anaerobically fermenting unit, marsh gas purifying unit, biogas storage unit and control unit,
Described pretreatment unit comprises that the agitated pool (1) and the pressure that are connected with the raw material conveying belt do not have the wearing and tearing feeding device, pressure does not have the wearing and tearing feeding device and comprises batch can (2), batch can (2) bottom is provided with feed-pipe (3) that is connected with agitated pool (1) and the discharge nozzle (4) that is connected with fermentor tank (7), and batch can (2) top is provided with malleation inlet pipe (5) and negative pressure suction tube (6);
Described anaerobically fermenting unit comprises fermentor tank (7), the charging shower nozzle (10) that fermentor tank (7) inner top setting links to each other with discharge nozzle (4), the outer top of fermentor tank (7) is provided with solar heat collector (8), and solar heat collector (8) is connected at the peripheral superconducting pipe (9) of fermentor tank (7);
Control unit comprises man-machine interface control unit (15), PLC controller (14) and each parameter acquisition and each transmitter of being controlled and each control unit to system of being connected with PLC controller (14).
2. electromechanical integration according to claim 1 is discarded the stalk marsh gas central gas supply system, it is characterized in that each parameter acquisition of system and transmitter and the control unit of being controlled are comprised: conveying belt control unit (16), malleation air pump control unit (17) and negative pressure air pump control unit (18);
And batch can (2) is gone up batch can Input Control Element (19), batch can output control unit (21) and the batch can pressure transmitter (20) that is provided with;
And fermentor tank (7) is gone up the control unit of slagging tap (22), stirring control unit (23), liquid level sensor (24) and the temperature sensor (25) that is provided with;
And the desulfurization dewatering control unit (26) of marsh gas purifying unit (11) setting;
And the storage Input Control Element (27) of biogas storage unit (27) setting, gas holder temperature sensor (28), gas holder pressure transmitter (29) and storage output control unit (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020125847XU CN201634672U (en) | 2010-03-09 | 2010-03-09 | Waste straw marsh-gas centralized gas-supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020125847XU CN201634672U (en) | 2010-03-09 | 2010-03-09 | Waste straw marsh-gas centralized gas-supplying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201634672U true CN201634672U (en) | 2010-11-17 |
Family
ID=43079161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020125847XU Expired - Fee Related CN201634672U (en) | 2010-03-09 | 2010-03-09 | Waste straw marsh-gas centralized gas-supplying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201634672U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154372A (en) * | 2010-12-20 | 2011-08-17 | 昆明理工大学 | Method for producing methane by means of fermentation with jet mixing technology |
| CN102199522A (en) * | 2011-03-09 | 2011-09-28 | 黑龙江省科学院科技孵化中心 | Anaerobic digestion device with direct heat storage using solar energy |
| 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 |
| CN107491622A (en) * | 2017-09-14 | 2017-12-19 | 中国华电科工集团有限公司 | A kind of biomass ferment analogue system and the Equipments Choosing Method based on the system |
| CN110055172A (en) * | 2019-04-22 | 2019-07-26 | 上海市环境科学研究院 | A kind of agricultural wastes dry anaerobic fermentation self-con-tained unit and autocontrol operation method |
-
2010
- 2010-03-09 CN CN201020125847XU patent/CN201634672U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154372A (en) * | 2010-12-20 | 2011-08-17 | 昆明理工大学 | Method for producing methane by means of fermentation with jet mixing technology |
| CN102154372B (en) * | 2010-12-20 | 2013-07-31 | 昆明理工大学 | Method for producing methane by means of fermentation with jet mixing technology |
| CN102199522A (en) * | 2011-03-09 | 2011-09-28 | 黑龙江省科学院科技孵化中心 | Anaerobic digestion device with direct heat storage using solar energy |
| 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 |
| CN107491622A (en) * | 2017-09-14 | 2017-12-19 | 中国华电科工集团有限公司 | A kind of biomass ferment analogue system and the Equipments Choosing Method based on the system |
| CN110055172A (en) * | 2019-04-22 | 2019-07-26 | 上海市环境科学研究院 | A kind of agricultural wastes dry anaerobic fermentation self-con-tained unit and autocontrol operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202089962U (en) | Solid-liquid separation anaerobic digestion device | |
| CN101381674B (en) | Vertical non-stirred organic waste dry-type anaerobic digestion processing equipment and method | |
| CN101560466B (en) | Integrated methane dry fermentation device | |
| CN105861306B (en) | Solid-liquid two benches anaerobic ferment devices and method | |
| CN103614288B (en) | High-solid anaerobic reaction device and method for organic garbage | |
| CN101353623B (en) | Large-sized open mouthed combined methane tank | |
| CN2585865Y (en) | Two-phase anaerobic dry fermenting treatment plant for house refuse | |
| CN201634672U (en) | Waste straw marsh-gas centralized gas-supplying system | |
| CN103436435B (en) | Crop straw co-fermentation device | |
| CN101338325A (en) | Process for producing methane by dry-type fermentation of stalks | |
| CN104152493A (en) | Method for improving yield of methane produced by anaerobic digestion of biomass raw materials | |
| CN109810886A (en) | A kind of processing system suitable for stalk anaerobic fermentation | |
| CN203582867U (en) | Staged pneumatic stirring fermentation device | |
| CN103184147B (en) | Dry anaerobic fermentation system and method for production of biogas | |
| CN106754321A (en) | Based Intelligent Control diphasic anaerobic biomembrane marsh gas fermenting system and technique | |
| CN105176806A (en) | Fermenting mixing tank for resourceful utilization of methane | |
| CN201695028U (en) | Inner-container-type external circulating solar biogas digester | |
| CN201006869Y (en) | Inclined slope tube-type device for producing gas using ecological waste material | |
| CN204661706U (en) | Based on the Methane Resources treatment system of CSTR fermentation unit | |
| CN106147902A (en) | A kind of coal base biological natural gas, fertilizer and biological organic fertilizer co-production | |
| CN201923933U (en) | Cage plug-flow fermentation device | |
| CN201459120U (en) | Large scale methane producing system with straw anaerobic fermentation | |
| CN202193786U (en) | MSW anaerobic digestion treatment device | |
| CN204939488U (en) | A kind of Methane Resources treatment system | |
| CN101575564A (en) | Methane tank and method for preparing methane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20110309 |