CN202157072U - Device for producing methane by fermentation - Google Patents

Device for producing methane by fermentation Download PDF

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Publication number
CN202157072U
CN202157072U CN2011202956492U CN201120295649U CN202157072U CN 202157072 U CN202157072 U CN 202157072U CN 2011202956492 U CN2011202956492 U CN 2011202956492U CN 201120295649 U CN201120295649 U CN 201120295649U CN 202157072 U CN202157072 U CN 202157072U
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CN
China
Prior art keywords
housing
shell
water jacket
cyclic water
stir shaft
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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
Application number
CN2011202956492U
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Chinese (zh)
Inventor
刘杰
裴占江
孙彬
高亚冰
王大蔚
王粟
李玉梅
张楠
左辛
王麒
卞景阳
于洪久
郭炜
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Countryside Energy Research Institute Heilongjiang Academy Of Agricultural Sciences
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Countryside Energy Research Institute Heilongjiang Academy Of Agricultural Sciences
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Priority to CN2011202956492U priority Critical patent/CN202157072U/en
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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
    • 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
    • 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
    • C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
    • C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The utility model relates to a methane generation device, in particular to a device for producing methane by fermentation, aiming at solving the problems that the existing methane production device has low output owning to the influence of temperature, can not be maintained and cleaned conveniently and has bad adaptability to the abandoned straws. The output shaft of a stepless variable speed reducer is connected with one end of a mixing shaft in a transmission way; the other end of the mixing shaft penetrates through the top of a shell and is rotatably connected with an internal supporting sleeve; the internal supporting sleeve is fixedly arranged at the inner bottom of the shell; an oar type mixing blade and an anchor type mixing blade are sequentially and fixed arranged on the mixing shaft from top to bottom; a material inlet is arranged at the upper part of the shell; the material inlet is communicated with a gas outlet pipe; a circulating water sleeve is arranged outside the shell; the circulating water sleeve is externally provided with an external warmth-keeping layer; an upper water circulation hole is arranged at the upper part of the circulating water sleeve; a lower water circulation hole is arranged at the lower part of the circulating water sleeve; and multiple layers of S-shaped helical bacterial flora fixing beds are arranged on the side wall of the internal chamber of the shell from top to bottom. The device is used for producing methane.

Description

The fermentation methane production device
Technical field
The utility model relates to a kind of biogas production device.
Background technology
Biogas is meant organic matter,, under anaerobic environment, progressively decomposes and transforms through the microbial fermentation effect like human and animal excreta, stalk, weeds, mud etc., the final a kind of mixed gas that generates.Staple is methane and carbonic acid gas, and these two kinds of compositions are roughly equal to and account for 95% of biogas volume, and wherein methane accounts for 45%-70%.
Rationally utilize from bioenergy; Earlier with biomass as human foods and animal feed; Then people, animal movement and crop material etc. are charged into the methane-generating pit fermentation together, can clean grease fuel and organic fertilizer by the time, can also further produce Chemicals thus; Reach and rationally utilize its energy and fertilizer component, make Biological resources repeatedly utilized and fully utilize.
The cement methane-generating pit of promoting at present exists all that temperature influence is big, fermentation gas efficient is low, safeguard that clear pond is inconvenient; Easy bursting by freezing in winter; The raw material that enters the pond is main with feces of livestock and poultry mainly; To the stalk bad adaptability of a large amount of crop wastes in rural area, lack corresponding flora technique for fixing and temperature control technique.
The utility model content
The purpose of the utility model provides a kind of fermentation methane production device, with solve present biogas production device temperature influence output lower, safeguard the problem of clear pond inconvenience to depleted stalk bad adaptability.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: said device comprises stepless reducer, escape pipe, slurry formula paddle, external thermal insulation, stir shaft, anchor formula paddle, interior spider, cyclic water jacket, snakelike spiral flora fixed bed and housing; One end of the output shaft of stepless reducer and stir shaft is in transmission connection; Top and interior spider that the other end of stir shaft passes housing are rotationally connected; Interior spider is packed in the intravital bottom of shell, and stir shaft is fixed with slurry formula paddle and anchor formula paddle from top to bottom successively, and the top of housing is provided with opening for feed; Opening for feed is communicated with escape pipe; The outside of housing is provided with cyclic water jacket, and the outside of cyclic water jacket is provided with external thermal insulation, and it is suitable for reading that cyclic water jacket top is provided with water cycle; The cyclic water jacket bottom is provided with the water cycle end opening, and the snakelike spiral flora of multilayer fixed bed from top to bottom is set on the intracavity sidewall of housing.
The utlity model has following beneficial effect: 1, be provided with the snakelike spiral flora of multilayer fixed bed among the present invention,, realize that the enrichment of flora is fixed for fermented bacterium provides potential of hydrogen and anaerobic environment; Improve the working efficiency of flora, have in the cyclic water jacket that circulating hot water is heated, temperature control, anaerobically fermenting is carried out under controllable temperature; And then realization automatic constant-temperature control; Make fermenting raw materials abundant, improve fermentation efficiency and factor of created gase, guarantee under suitable temperature condition, to carry out anaerobically fermenting; 2, the present invention safeguards that cleaning is convenient and is applicable to the depleted stalk.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Embodiment
Embodiment one: combine Fig. 1 that this embodiment is described; The device of this embodiment comprises stepless reducer 1, escape pipe 3, slurry formula paddle 9, external thermal insulation 10, stir shaft 11, anchor formula paddle 12, interior spider 13, cyclic water jacket 14, snakelike spiral flora fixed bed 20 and housing 21; One end of the output shaft of stepless reducer 1 and stir shaft 11 is in transmission connection, and top and interior spider 13 that the other end of stir shaft 11 passes housing 21 are rotationally connected, and interior spider 13 is packed in the bottom in the housing 21; Stir shaft 11 is fixed with slurry formula paddle 9 and anchor formula paddle 12 from top to bottom successively; The top of housing 21 is provided with opening for feed 4, and opening for feed 4 is communicated with escape pipe 3, and the outside of housing 21 is provided with cyclic water jacket 14; The outside of cyclic water jacket 14 is provided with external thermal insulation 10; It is suitable for reading 8 that cyclic water jacket 14 tops are provided with water cycle, and cyclic water jacket 14 bottoms are provided with water cycle end opening 18, and the snakelike spiral flora of multilayer fixed bed 20 from top to bottom is set on the intracavity sidewall of housing 21.
The inner chamber of housing 21 is provided with top point for measuring temperature 7, middle part point for measuring temperature 15 and bottom point for measuring temperature 16 from top to bottom.
Embodiment two: combine Fig. 1 that this embodiment is described, the compressive sealed circle 2 of the oil sealing of this embodiment, the output shaft of stepless reducer 1 and stir shaft 11 link position places are provided with the compressive sealed circle 2 of oil sealing, and this sealing structure is effective.Other composition and annexation are identical with embodiment one.
Embodiment three: combine Fig. 1 that this embodiment is described; The device of this embodiment also comprises SV 5 and thief hole 6, and the top of housing 21 is provided with SV 5 and thief hole 6, when equipment or manifold pressure surpass prescribed value; SV 5 is promptly opened pressure release automatically; Guarantee that tank interior pressure in regulation numerical value, tries to avert accidents, thief hole 6 is used for collected specimens at any time.Other composition and annexation are identical with embodiment one.
Embodiment four: combine Fig. 1 that this embodiment is described, the device of this embodiment also comprises a plurality of supporting legs 17, and the bottom of housing 21 is provided with a plurality of supporting legs 17, and this structure is good to housing 21 support effects.Other composition and annexation are identical with embodiment one.
Principle of work: when system moves: adjustment feces of livestock and poultry solids concn, general solids content is 6%-10%, a mole C/N ratio is controlled at 25-30: 1, be driven in the housing 21 from opening for feed 4 behind the adjustment pH value, seal opening for feed 4.Temperature shown in observation middle part point for measuring temperature 15, the bottom point for measuring temperature 16, temperature required according to fermentation, start circulation heating water jacket's 14 temperature controls (utilizing sun power, other energy that whole tank body is carried out temperature control).Sooner or later respectively start stepless reducer 1 one time every day, and each five minutes, 15 rev/mins of stirring velocitys were carried out broken shell with slurry formula paddle 9 and anchor formula paddle 12 and stirred, and realizes that semi-automatic constant-temperature control ferments.High-efficiency methanogen floras is fixed on the snakelike spiral flora fixed bed 20 simultaneously, and the contact area that increases bacterial classification and fermented product is to improve gas producing efficiency.The biogas that fermentor tank produces stores for future use with gas-storing bag after escape pipe 3 is purified by refining plant.The mode of semicontinuous charging is taked in fermentation, and fermented feed liquid is emitted a part by discharge port 19 after fermentation for some time, again by opening for feed 4 afterfermentation feed liquid again.

Claims (4)

1. fermentation methane production device; It is characterized in that said device comprises stepless reducer (1), escape pipe (3), slurry formula paddle (9), external thermal insulation (10), stir shaft (11), anchor formula paddle (12), interior spider (13), cyclic water jacket (14), snakelike spiral flora fixed bed (20) and housing (21); One end of the output shaft of stepless reducer (1) and stir shaft (11) is in transmission connection; Top and interior spider (13) that the other end of stir shaft (11) passes housing (21) are rotationally connected; Interior spider (13) is packed in the bottom in the housing (21), and stir shaft (11) is fixed with slurry formula paddle (9) and anchor formula paddle (12) from top to bottom successively, and the top of housing (21) is provided with opening for feed (4); Opening for feed (4) is communicated with escape pipe (3); The outside of housing (21) is provided with cyclic water jacket (14), and the outside of cyclic water jacket (14) is provided with external thermal insulation (10), and cyclic water jacket (14) top is provided with water cycle (8) suitable for reading; Cyclic water jacket (14) bottom is provided with water cycle end opening (18), and the snakelike spiral flora of multilayer fixed bed (20) from top to bottom is set on the intracavity sidewall of housing (21).
2. according to the said fermentation methane production device of claim 1, it is characterized in that said device also comprises the compressive sealed circle of oil sealing (2), the output shaft of stepless reducer (1) and stir shaft (11) link position place are provided with the compressive sealed circle of oil sealing (2).
3. according to claim 1 or 2 said fermentation methane production devices, it is characterized in that said device also comprises SV (5) and thief hole (6), the top of housing (21) is provided with SV (5) and thief hole (6).
4. according to the said fermentation methane production device of claim 3, it is characterized in that said device also comprises a plurality of supporting legs (17), the bottom of housing (21) is provided with a plurality of supporting legs (17).
CN2011202956492U 2011-08-15 2011-08-15 Device for producing methane by fermentation Expired - Fee Related CN202157072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202956492U CN202157072U (en) 2011-08-15 2011-08-15 Device for producing methane by fermentation

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Application Number Priority Date Filing Date Title
CN2011202956492U CN202157072U (en) 2011-08-15 2011-08-15 Device for producing methane by fermentation

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103436434A (en) * 2013-08-30 2013-12-11 河南农业大学 Crop straw pre-treatment reaction tank
CN108865662A (en) * 2018-06-29 2018-11-23 铜陵盛牛菌业有限责任公司 A kind of efficient straw installation for fermenting
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
CN111484218A (en) * 2020-05-19 2020-08-04 黑龙江省农业科学院农村能源与环保研究所 Cold region anaerobic fermentation biogas production method based on economic operation temperature

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103436434A (en) * 2013-08-30 2013-12-11 河南农业大学 Crop straw pre-treatment reaction tank
CN108865662A (en) * 2018-06-29 2018-11-23 铜陵盛牛菌业有限责任公司 A kind of efficient straw installation for fermenting
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
CN111484218A (en) * 2020-05-19 2020-08-04 黑龙江省农业科学院农村能源与环保研究所 Cold region anaerobic fermentation biogas production method based on economic operation temperature
CN111484218B (en) * 2020-05-19 2022-02-11 黑龙江省农业科学院农村能源与环保研究所 Cold region anaerobic fermentation biogas production method based on economic operation temperature

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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: 20120307

Termination date: 20130815