CN102604816B - Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same - Google Patents
Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same Download PDFInfo
- Publication number
- CN102604816B CN102604816B CN201110024750.9A CN201110024750A CN102604816B CN 102604816 B CN102604816 B CN 102604816B CN 201110024750 A CN201110024750 A CN 201110024750A CN 102604816 B CN102604816 B CN 102604816B
- Authority
- CN
- China
- Prior art keywords
- district
- methane
- reactor
- methane phase
- pipe
- 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.)
- Active
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000000855 fermentation Methods 0.000 title claims abstract description 28
- 230000004151 fermentation Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011343 solid material Substances 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 230000020477 pH reduction Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 230000003301 hydrolyzing effect Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 6
- 230000029087 digestion Effects 0.000 description 5
- 230000000696 methanogenic effect Effects 0.000 description 4
- 239000010815 organic waste Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 244000144977 poultry Species 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
- C12M27/06—Stirrer or mobile mixing elements with horizontal or inclined stirrer shaft or axis
-
- 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
-
- 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
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/06—Means for pre-treatment of biological substances by chemical means or hydrolysis
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to an integrated solid-material two-phase methane fermentation reactor and a method for preparing methane by using the fermentation reactor. The fermentation reactor comprises a reactor body, a stirrer, a temperature increasing coil pipe, a double-membrane methane storage device, an acidifying area feeding pipe, a methane-producing area feeding pipe and a discharging pipe; and the reactor body is in an inner-outer double-layer structure, wherein the outer layer is a hydrolyzing and acidifying area, and the inner layer is a methane-producing area. The material enters the acidifying area through the hydrolyzing and acidifying area feeding pipe along the tangential direction of the reactor body and overflows into the methane-producing area from the top of the acidifying are, and the fermented material overflows out of the reactor body from the top of the methane-producing area. The fermentation reactor can improve the heat preservation efficiency effectively and increase the yield of the methane and has high operation load, and the overall stopping time of the system of the fermentation reactor is shorter than that of the system of the traditional methane fermentation reaction device.
Description
Technical field
The present invention relates to biogas fermentation reaction unit field, particularly relate to a kind of integrated solid materials two-phase biogas fermentation reactor and use this reactor to prepare the method for biogas.
Background technology
In recent years, the pollution of the organic solid castoffs such as stalk, organic waste, agricultural byproducts is subject to people's attention gradually, and conventional treatment process such as landfill, burning, compost etc. all exist some problems.In fact, these component of refuse above, based on organic constituent, have higher biodegradability, adopt anaerobic digestion techniques, while process organic waste, reclaim biogas as biomass energy, and tunning can make fertilizer after treatment, has stronger feasibility.
Conventional anaerobic reaction device is mainly divided into two classes, i.e. homogenous anaerobic digestion and TPAD.
The type of homogenous anaerobic digestion reaction device mainly contains complete hybrid anaerobic reactor (CSTR), upflow solids reactor (USR), anaerobic filter (AF), and the several types such as upflow anaerobic sludge blanket process (UASB) reactor, the difference of above reaction unit is mainly the aspects such as alr mode, feeding manner, sludge retention mode.Homogenous anaerobic digestion reactor obtains ripe application in feces of livestock and poultry biogas engineering.
Be different from the fermenting process of feces of livestock and poultry, the reaction of single step fermentation methane phase can not be carried out as solid substancess such as stalk, organic waste, agricultural byproducts, relatively easy acidifying during fermentation.Can adopt solid materials TPAD technique, the fermentation of solid substances be decomposed into and produce acid and methane phase two processes, make the biogas fermentation of solid substances become possibility, the operational mode being simultaneously conducive to different steps reactor controls.Conventional TPAD reaction unit focuses mostly in the laboratory study stage, reactor types is the reactor of connection two different volumes, realizes acidifying must be separated with methanogenic phase respectively by the different parameter such as the residence time, different temperature, pH of control.But, it is comparatively large that two block response device floor spaces are set respectively, and due to the exposed surface area of two block response devices excessive, easily cause scattering and disappearing of amount of heat.
As can be seen from above-mentioned prior art, the ripe homogenous anaerobic digestion techniques be applied in feces of livestock and poultry biogas engineering, when solid substancess such as Treating straw, organic waste, agricultural byproducts, the overall residence time is longer, and owing to easily there is acidification phenomenon, cause factor of created gase on the low side.And there is floor space greatly in traditional TPAD, the problems such as insulating efficiency is not high.
Summary of the invention
The invention provides a kind of integrated solid materials two-phase biogas fermentation reactor, object effectively improves system insulating efficiency, operating load, shortens the entire system residence time, increases biogas output.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of integrated solid materials two-phase biogas fermentation reactor, comprise reactor body, agitator, heat coil pipe, dual-membrane type accumulator unit, acidification region feed-pipe, methane phase district feed-pipe, discharge nozzle, described reactor body is interior outer double-layer structure, skin is acidication district, internal layer is methane phase district, the interval volume of ectonexine is different, material squeezes into acidication district by acidification region feed-pipe along reactor tangential direction, and enter methane phase district from the methane phase district feed-pipe overflow at top, acidication district, heat the inwall that coil pipe is arranged on methane phase district, heat coil pipe inside for circulating hot water, in acidication district and methane phase district, the agitator that can promote up and down is set respectively, dual-membrane type accumulator unit is arranged on fermentation reactor top.
Agitator can adopt existing diving mixer, and the circulating hot water heating coil pipe inside is mainly used in the temperature keeping methane phase district, and its heat distributed is for maintaining the temperature of outside acidification region.
Present invention also offers a kind of method using this integrated solid materials two-phase biogas fermentation reactor to prepare biogas, material tangentially squeezes into acidication district continuously under water pump effect, the material in acidication district is made to keep rotating, material is under the effect of anaerobion, being converted into small molecules is main organism, wherein between acidification region, charging number of times is 2 times/day, the respective numbers at every turn entering material is determined according to the residence time of design, the residence time is 2-4 days, temperature is 25-35 DEG C, pH value is 5.5-6, stirring frequency is 5-10r/min, material after acidifying enters methane phase district from the methane phase district feed-pipe overflow at top, acidication district, the biogas be converted into based on methane is continued in methane phase district, wherein the methane phase district residence time is 15-20 days, temperature is 35 DEG C-55 DEG C, pH value is 6-8, stirring frequency is 5-10r/min, the biogas storage produced is in the dual-membrane type accumulator unit of top, and export subsequent disposal to through pipeline.
The invention has the beneficial effects as follows:
The present invention mainly adopts the know-why of TPAD, two block response devices are structurally merged into one, only utilize a set of heat-insulation system, the temperature of acidifying phase mainly relies on the heat radiation of methanogenic phase, the heat utilization rate of the system that improves of such high degree.By rationally arranging the agitator of type selecting, achieving the less energy-consumption running of system, and can be used for the fragmentation of top crust.
To sum up, this cover reaction unit considers the link such as system insulation, operating load, the residence time, floor space and biogas output in biogas fermentation, integrated artistic flow process is simple, embody energy-efficient environmental protection concept, not only compensate for the deficiency existed in biogas fermentation, also for certain technical foundation has been established in Industry Promotion.
Accompanying drawing explanation
Fig. 1 is the structure vertical view of reaction unit of the present invention
Fig. 2 is the section of structure of reaction unit of the present invention
1 agitator 2 dual-membrane type accumulator unit 3 heats coil pipe 4 acidification region feed-pipe 5 methane phase district feed-pipe
6 methane phase district 9 of discharge nozzle 7 acidication district 8 overflow weir 10 hot water inlet/outlet pipe 11 agitator stationary shaft
12 Surgery therapy
Embodiment
One of the present invention integrated solid materials two-phase biogas fermentation reactor.By reference to the accompanying drawings specific embodiments of the invention are described, as can be seen from Figure:
Described fermentation reactor by reactor body, agitator 1, heat coil pipe 3, dual-membrane type accumulator unit 2, acidification region feed-pipe 4, methane phase district feed-pipe 5, discharge nozzle 6 etc. and form, main body reactor is interior outer double-layer structure, skin is acidication district 7, and internal layer is methane phase district 8.
Described reactor is cylindric, by the difference of inside and outside interval volume, wherein the volume in acidication district is the 1/3-1/5 of methane phase district volume, first initial material enters acidication district, the material of acidification region is after reaction a couple of days, along with adding continuously of subsequent material, the material having completed acidification reaction enters methane phase district by overflow, thus realizes the separation that fermenting process produces acid phase and methanogenic phase.Usually, acidication district, the residence time is 2-4d, and temperature is 25 DEG C-35 DEG C, methane phase district, and the residence time is 15-20d, and temperature is 35 DEG C-55 DEG C.
Be used in the process of biogas fermentation at described fermentation reactor, material squeezes into acidification region 7 by acidication district feed-pipe 4 along reactor tangential direction, and enter methane phase district 8 from acidication district 7 top overflow, in acidication district 7 and methane phase district 8, two mechanical stirrers that can promote up and down 1 are set respectively, two agitators in each region are equidirectional setting, rotate along fixed-direction for maintaining reaction zone material, simultaneously, described mechanical stirring device can promote up and down, its height controls by electric block, both the Homogeneous phase mixing of different heights material can have been realized, also can be used for the material skull smashing top.
Material is under the effect of anaerobion, being converted into small molecules in described acidication district 7 is main organism, its product continues the biogas be converted into based on methane in methane phase district 8, and described biogas storage in top dual-membrane type accumulator unit 2, and exports aftertreatment device to through pipeline.
By above-mentioned corollary apparatus structure, marsh gas fermentation processes can be divided into and produce acid phase and methanogenic phase, and different measure of control are adopted to different microorganisms, while substantially not increasing system footprint area, fully improve reactor gas producing efficiency, improve system cloud gray model security, agitator both can realize the abundant stirring to material simultaneously, can be used for again the fragmentation of reactor head crust, can overhaul in time when breaking down, thus the high-efficient operation of accelerating system.
Claims (2)
1. an integrated solid materials two-phase biogas fermentation reactor, comprise cylindric reactor body, agitator (1), dual-membrane type accumulator unit (2), heat coil pipe (3), acidification region feed-pipe (4), methane phase district feed-pipe (5), discharge nozzle (6), it is characterized in that: described reactor body is interior outer double-layer structure, skin is acidication district (7), internal layer is methane phase district (8), the interval volume of ectonexine is different, material squeezes into acidication district (7) by acidification region feed-pipe (4) along reactor tangential direction, and enter methane phase district (8) from methane phase district feed-pipe (5) overflow at acidication district (7) top, heat the inwall that coil pipe (3) is arranged on methane phase district (8), heat coil pipe (3) inside for circulating hot water, in acidication district (7) and methane phase district (8), the agitator (1) that can promote up and down is set respectively, dual-membrane type accumulator unit (2) is arranged on fermentation reactor top.
2. the method using integrated solid materials two-phase biogas fermentation reactor as claimed in claim 1 to prepare biogas, it is characterized in that: material tangentially squeezes into acidication district (7) continuously under water pump effect, the material in acidication district (7) is made to keep rotating, material is under the effect of anaerobion, being converted into small molecules is main organism, wherein acidication district (7) charging number of times is 2 times/day, the residence time is 2-4 days, temperature is 25-35 DEG C, pH value is 5.5-6, stirring frequency is 5-10r/min, material after acidifying enters methane phase district (8) from methane phase district feed-pipe (5) overflow at acidication district (7) top, the biogas be converted into based on methane is continued in methane phase district (8), wherein methane phase district is 15-20 days (8) residence time, temperature is 35 DEG C-55 DEG C, pH value is 6-8, stirring frequency is 5-10r/min, the biogas storage produced is in top dual-membrane type accumulator unit (2), and export subsequent disposal to through pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110024750.9A CN102604816B (en) | 2011-01-24 | 2011-01-24 | Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110024750.9A CN102604816B (en) | 2011-01-24 | 2011-01-24 | Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102604816A CN102604816A (en) | 2012-07-25 |
| CN102604816B true CN102604816B (en) | 2015-07-15 |
Family
ID=46522594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110024750.9A Active CN102604816B (en) | 2011-01-24 | 2011-01-24 | Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102604816B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816692A (en) * | 2012-09-13 | 2012-12-12 | 黑龙江省科学院科技孵化中心 | Anaerobic fermentation reactor for combined use |
| CN102827761B (en) * | 2012-09-25 | 2014-01-22 | 河南农业大学 | Dry-wet-coupled marsh gas fermentation device |
| CN108179103A (en) * | 2018-01-19 | 2018-06-19 | 清华大学 | A kind of bicyclic two-phase integrated anaerobic reactor of nesting |
| CN109337800A (en) * | 2018-12-05 | 2019-02-15 | 北京天极视讯科技发展有限公司 | A kind of hydrolysis acidification and anaerobic fermentation integrated device |
| CN109517730A (en) * | 2018-12-29 | 2019-03-26 | 启迪桑德环境资源股份有限公司 | A kind of half dry type diphasic anaerobic fermentor |
| CN110342767B (en) * | 2019-07-23 | 2024-06-18 | 天津大学 | Anaerobic digestion stirring system for high-solid sludge |
| CN112678977A (en) * | 2020-12-08 | 2021-04-20 | 山西省工业设备安装集团有限公司 | Power generation system and method for comprehensive utilization of town sewage |
| CN113501581A (en) * | 2021-07-28 | 2021-10-15 | 江苏南大华兴环保科技股份公司 | Step steady flow type anaerobic reaction system |
| CN117229889B (en) * | 2023-09-19 | 2025-12-02 | 中冶华天南京工程技术有限公司 | A novel two-phase anaerobic reactor and treatment method |
| CN118164612A (en) * | 2024-04-12 | 2024-06-11 | 南京财经大学 | An anaerobic treatment system and process suitable for wastewater containing high organic suspended matter |
| CN119752613A (en) * | 2025-01-02 | 2025-04-04 | 光大绿色环保技术服务(江苏)有限公司 | Dry-type high-pressure anaerobic fermentation system and method for agricultural waste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244850A (en) * | 1997-10-22 | 2000-02-16 | 莱因哈特·冯努登舍尔德 | Biogas equipment |
| WO2001009280A2 (en) * | 1999-07-30 | 2001-02-08 | Bioelex Corporation | Two-phase type methane fermentation reactor |
| CN1974752A (en) * | 2006-12-13 | 2007-06-06 | 辽宁省农业科学院生命科学中心 | Infegrated double cavity marsh gas fermenting system |
| CN101037288A (en) * | 2007-02-14 | 2007-09-19 | 杭州能源环境工程有限公司 | Gas generation-storage integral anaerobic zymosis device |
-
2011
- 2011-01-24 CN CN201110024750.9A patent/CN102604816B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244850A (en) * | 1997-10-22 | 2000-02-16 | 莱因哈特·冯努登舍尔德 | Biogas equipment |
| WO2001009280A2 (en) * | 1999-07-30 | 2001-02-08 | Bioelex Corporation | Two-phase type methane fermentation reactor |
| CN1974752A (en) * | 2006-12-13 | 2007-06-06 | 辽宁省农业科学院生命科学中心 | Infegrated double cavity marsh gas fermenting system |
| CN101037288A (en) * | 2007-02-14 | 2007-09-19 | 杭州能源环境工程有限公司 | Gas generation-storage integral anaerobic zymosis device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102604816A (en) | 2012-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102604816B (en) | Integrated solid-material two-phase methane fermentation reactor and method for preparing methane by using same | |
| US11618871B2 (en) | Integrated two-phase anaerobic dry fermentation reactor based on biomimetic principle of rumen | |
| CN102321675B (en) | Method and device for producing bio-gas by organic waste | |
| CN101565719B (en) | Method for producing methane by two-phase multi-stage anaerobic fermentation of organic solid wastes | |
| CN105861306B (en) | Solid-liquid two benches anaerobic ferment devices and method | |
| US20130065290A1 (en) | Combined dry and wet dual phase anaerobic process for biogas production | |
| CN201686627U (en) | Fermentation device for treating organic wastes | |
| CN103451095B (en) | Method for preparing marsh gas through straw, excrement and kitchen waste | |
| CN103131631B (en) | A dry fermentation device and method for preparing biogas from high-concentration solid raw materials | |
| CN106367318B (en) | The method that continous way wet-and-dry two-stage dynamic anaerobic fermentation prepares biological flue gas | |
| CN104263642B (en) | The integrated treatment unit of rubbish from cooking and excrement and urine water and treatment process | |
| CN106754321B (en) | Intelligent control two-phase anaerobic biofilm biogas fermentation system and process | |
| CN101402096A (en) | Reactor for producing acid phase with diphasic anaerobic digestion of urban biomass garbage | |
| CN105602844B (en) | Kitchen castoff high temperature combined anaerobic digestion equipment and anaerobic digestion process | |
| CN103436435A (en) | Crop straw co-fermentation device | |
| CN103173348B (en) | Integrated two phase dry anaerobic digestion reactor and processing method | |
| CN205576158U (en) | Two stage of solid -liquid anaerobic fermentation device | |
| CN203582867U (en) | Staged pneumatic stirring fermentation device | |
| CN101880085A (en) | Inner diversion type EGSB pulsing-circulating biogas stirring technique | |
| CN206799604U (en) | A kind of electric field and microwave coupling strengthen marine alga anaerobic fermentation and produce methane system | |
| CN201545836U (en) | Anaerobic fermentation device for biogas production from straw | |
| CN103922471A (en) | Efficient anaerobic reactor used for fuel ethanol waste water secondary anaerobic treatment | |
| CN109517730A (en) | A kind of half dry type diphasic anaerobic fermentor | |
| CN108841580B (en) | Hydrogen-producing and methane-producing reactor for treating solid waste | |
| CN204509320U (en) | Integrated form anaeration in normal temperature reaction unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Zhongyuan Energy Co., Ltd. Document name: Notification that Application Deemed to be Withdrawn |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |