CN107384755A - A kind of three-level anaerobic fermentation system - Google Patents
A kind of three-level anaerobic fermentation system Download PDFInfo
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- CN107384755A CN107384755A CN201710846540.5A CN201710846540A CN107384755A CN 107384755 A CN107384755 A CN 107384755A CN 201710846540 A CN201710846540 A CN 201710846540A CN 107384755 A CN107384755 A CN 107384755A
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/58—Reaction vessels connected in series or in parallel
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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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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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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Abstract
The invention discloses a kind of three-level anaerobic fermentation system, including be embedded in staged in ground one-level, two level, three grade fermemtation tank；Each fermentation tank is respectively provided with disengaging liquid pipe, and adjacent fermentation tank is connected by triple valve, and the feed tube of second order fermentation tank, the feed tube of three grade fermemtation tank are also communicated with collateral branch's feed tube by a valve respectively；Two level, the tank body of three grade fermemtation tank are provided with heat-insulation layer outside, the inside of two level, three grade fermemtation tank is maintained at into 30~50 degrees Celsius to carry out the process of mesophilic digestion, the inside of one grade fermemtation tank is maintained within the temperature range of 10~15 degrees Celsius to carry out the process of normal temperature fermentation under ground temperature effect；Agitator is provided with inside three fermentation tanks, the motor being connected with agitator transmission is set outside tank body.In its technical scheme, three fermentation tanks are capable of the operation of parallel type independence each other by two triple valves setting each other, can also string type be operated together so that it is more environmentally friendly, improve biogas utilization rate.
Description
Technical field
The present invention relates to renewable energy utilization equipment technical field, more particularly to a kind of three-level anaerobic fermentation system.
Background technology
Biogas is a kind of high-quality, efficient, green, environmentally friendly fuel, and the prospect for substituting traditional energy is boundless.Biogas removes
Directly burn outer for cooking, drying agricultural byproducts, heating, illumination and gas welding etc., can also make fuel and the production of internal combustion engine
The industrial chemicals such as methanol, formalin, carbon tetrachloride.The feed liquid and sediment discharged after firedamp gas equipment ferments, containing relatively abundant
Nutriment, can be used as fertilizer and feed.
However, the bionethanation system that China rural area typically uses at present is mostly normal temperature spontaneous fermentation, temperature in anaerobic fermentation system
Degree is bigger by time, season, climate change effect, and methane gas producing amount is very unstable.Most of rural area anaerobic fermentation system winter,
Season in spring two can not use.These problems have had a strong impact on the utilization and popularization of biogas technology.
Research finds that biomass can anaerobic fermentation production biogas in the range of 10~60 DEG C.General temperature is higher, micro-
Biological activity is more vigorous, and gas production is higher.All seriously suppress microbe survival, breeding less than 10 DEG C or higher than 60 DEG C, influence to produce
Gas, and near 37 DEG C and 53 DEG C respectively there is a production high peak dot of biogas in biomass anaerobic fermentation.And temperature is too high, although production
Speed, but the utilization rate in biogas production is relatively low so that and yield is relatively low.
The content of the invention
It is an object of the present invention to provide a kind of three-level anaerobic fermentation system, to overcome above-mentioned technological deficiency.
Concrete technical scheme is as follows：
A kind of three-level anaerobic fermentation system, including in one be embedded in successively on the direction of staged from high to low in ground
Level fermentation tank, second order fermentation tank, three grade fermemtation tank, and drop is formed each other；
Each fermentation tank is respectively provided with feed tube and drain pipe, and the feed liquor of the drain pipe of one grade fermemtation tank and second order fermentation tank
Guan Jian, the drain pipe of second order fermentation tank are connected between the feed tube of three grade fermemtation tank by a triple valve, second order fermentation tank
Feed tube, the feed tube of three grade fermemtation tank collateral branch's feed tube is also communicated with by a valve respectively；
Heat-insulation layer is also respectively provided with outside the tank body of second order fermentation tank and three grade fermemtation tank, there is interlayer in heat-insulation layer, is used
So that the inside of second order fermentation tank and three grade fermemtation tank is maintained at into 30~50 degrees Celsius to carry out the process of mesophilic digestion, one-level hair
The inside of fermentation tank is maintained within the temperature range of 10~15 degrees Celsius to carry out the process of normal temperature fermentation under ground temperature effect；
One grade fermemtation tank, second order fermentation tank, the tank interior of three grade fermemtation tank are provided with an agitator, outside tank body
A motor is provided with, and the output shaft of motor stretches into tank interior and is connected with agitator transmission.
Preferably, top is provided with biogas and gone out on the tank body of one grade fermemtation tank, second order fermentation tank and three grade fermemtation tank
Mouthful.
Preferably, valve is equipped with methane outlet.
Preferably, a check-valves is also respectively provided with each feed tube.
Preferably, being also respectively provided with discharging opening in the side wall of three fermentation tanks, and a scarfing cinder is provided with discharging opening
Valve.
The beneficial effect of above-mentioned technical proposal is：
Three fermentation tanks are capable of the operation of parallel type independence each other by two triple valves setting each other, can also
String type is operated together, and for the method for operation of string type, biogas slurry, which enters, carries out normal temperature fermentation in one grade fermemtation tank, in tank body
The Multi-layers distributing for automatically forming biogas residue, supernatant, scum silica frost and biogas from bottom to top, the not stopping pregnancy under the effect of side rabbling mechanism
Raw biogas is gathered in the top of fermentation tank upwards, and flows into two via triple valve when measuring more after the stirring of biogas residue, supernatant, scum silica frost
The process of mesophilic digestion is carried out in level fermentation vat, flows into three grade fermemtation pond and is fermented in an identical manner after fermentation so that
It is more environmentally friendly, improve biogas utilization rate.
Brief description of the drawings
Fig. 1 is the structural representation of three-level anaerobic fermentation system of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, it is real below
Example combination accompanying drawing 1 is applied to be specifically addressed three-level anaerobic fermentation system provided by the invention.
Refering to Fig. 1, for the structural representation of three-level anaerobic fermentation system.And the structure for clear display the present embodiment is special
Levy, omitted in figure and part-structure is shown, part-structure is then shown in a manner of perspective or section view.As shown in fig. 1, the present invention carries
The three-level anaerobic fermentation system of confession is included in the one grade fermemtation tank being embedded in successively on the direction of staged from high to low in ground 4
1st, second order fermentation tank 2, three grade fermemtation tank 3, and drop is formed each other；Each fermentation tank is respectively provided with feed tube 5 and drain pipe 6,
And between the drain pipe 6 of one grade fermemtation tank 1 and the feed tube 5 of second order fermentation tank 2, the drain pipe 6 and three grade fermemtation of second order fermentation tank 2
It is connected between the feed tube 5 of tank 3 by a triple valve 7, the feed tube 5 of second order fermentation tank 2, the feed tube 5 of three grade fermemtation tank 3
Collateral branch's feed tube 8 is also communicated with by a valve 9 respectively；Also divide outside the tank body of second order fermentation tank 2 and three grade fermemtation tank 3
Heat-insulation layer 11 is not provided with, is had in heat-insulation layer 11 to inject the hot water of heat recovery or the folder of flue gas after biogas combustion
Layer, the inside of second order fermentation tank 2 and three grade fermemtation tank 3 is maintained at into 30~50 degrees Celsius, that is, ensure internal progress medium temperature
The process of fermentation, and one grade fermemtation tank 1 does not do Insulation, tank body part is embedded under ground 4, is determined to send out in itself according to ground temperature
Ferment temperature, that is, normal temperature fermentation is carried out, be maintained within the temperature range of 10~15 degrees Celsius, i.e., the inside of one grade fermemtation tank 1 is on ground
It is maintained under temperature effect within the temperature range of 10~15 degrees Celsius, carries out the process of normal temperature fermentation；One grade fermemtation tank 1, two level hair
Fermentation tank 2, the tank interior of three grade fermemtation tank 3 are provided with an agitator 10, a motor are provided with outside tank body (in figure not
Show), and the output shaft of motor stretches into tank interior and is connected with the transmission of agitator 10.
Based on above-mentioned technical proposal, three fermentation tanks can be parallel each other by two triple valves 7 set each other
The operation of formula independence, can also string type be operated together, for the method for operation of string type, biogas slurry enters in one grade fermemtation tank 1
Progress normal temperature fermentation, the Multi-layers distributing for automatically forming biogas residue, supernatant, scum silica frost and biogas in tank body from bottom to top,
The lower biogas that constantly produces of side rabbling mechanism (mechanism that i.e. motor and agitator 10 collectively constitute) effect is gathered in fermentation tank upwards
Top, and flowed into after the stirring of biogas residue, supernatant, scum silica frost when measuring more via triple valve 7 and medium temperature hair carried out in second order fermentation pond
The process of ferment, flow into three grade fermemtation pond and fermented in an identical manner after fermentation so that it is more environmentally friendly, improve biogas utilization
Rate.Three fermentation tanks form drop and not utilize driving equipment such as pump housing etc. to realize the effect serially to circulate automatically.
In a preferred embodiment, on the tank body of one grade fermemtation tank 1, second order fermentation tank 2 and three grade fermemtation tank 3
Top is provided with methane outlet 12, to export biogas.Further, valve is equipped with methane outlet 12 (in figure not show
Go out).
In a preferred embodiment, a check-valves 13 is also respectively provided with each feed tube 5, to prevent
Biogas slurry flows back.Further, discharging opening (not shown) is also respectively provided with the side wall of three fermentation tanks, and in discharging opening
It is provided with a slag valve 14.It is worthy of note that discharging opening is arranged on three fermentation tanks close on the position of bottom side.Further
, each feed tube 5 is split into two sections pipeline with one end that three fermentation tanks are connected, enabling during guarantee feed liquor
Hydro-cushion.
In addition, as shown in fig. 1, between one grade fermemtation tank 1 and second order fermentation tank 2, second order fermentation tank 2 and three grade fermemtation tank
Between 3, it is equidistant and waits drop height, but is not limited to this.And three fermentation tank shapes and internal capacity all same, bag
Include the arch overhead guard of the columned tank body main body being sealed connected together and top.Above-mentioned agitator 10 is agitation fan.
Three fermentation tanks can be embedded in ground completely 4 times or be partly embedded under ground 4.Obviously, ground is preferred
It is ramped shaped.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting
's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope that the claims in the present invention are limited,
Modification, in addition it is equivalent, but fall within protection scope of the present invention.
Claims (5)
1. a kind of three-level anaerobic fermentation system, it is characterised in that including in being embedded in successively on staged direction from high to low
One grade fermemtation tank (1), second order fermentation tank (2), three grade fermemtation tank (3) in ground, and drop is formed each other；
Each fermentation tank is respectively provided with feed tube (5) and drain pipe (6), and the drain pipe (6) of the one grade fermemtation tank (1) with it is described
Between the feed tube (5) of second order fermentation tank (2), the drain pipe (6) of the second order fermentation tank (2) and the three grade fermemtation tank (3)
It is connected between feed tube (5) by a triple valve (7), feed tube (5), the three grade fermemtation tank (3) of the second order fermentation tank (2)
Feed tube (5) collateral branch's feed tube (8) is also communicated with by a valve (9) respectively；
Heat-insulation layer (11), the heat-insulation layer are also respectively provided with outside the tank body of the second order fermentation tank (2) and three grade fermemtation tank (3)
(11) there is interlayer in, the inside of the second order fermentation tank (2) and three grade fermemtation tank (3) is maintained at into 30~50 degrees Celsius
To carry out the process of mesophilic digestion, the inside of the one grade fermemtation tank (1) is maintained at 10~15 degrees Celsius under ground temperature effect
To carry out the process of normal temperature fermentation in temperature range；
The one grade fermemtation tank (1), second order fermentation tank (2), the tank interior of three grade fermemtation tank (3) are provided with an agitator
(10), be provided with a motor outside tank body, and the output shaft of the motor stretch into tank interior and with the agitator
(10) transmission is connected.
2. three-level anaerobic fermentation system as claimed in claim 1, it is characterised in that the one grade fermemtation tank (1), second order fermentation
Top is provided with methane outlet (12) on the tank body of tank (2) and three grade fermemtation tank (3).
3. three-level anaerobic fermentation system as claimed in claim 2, it is characterised in that be equipped with valve in the methane outlet (12)
Door.
4. three-level anaerobic fermentation system as claimed in claim 3, it is characterised in that also distinguish on each feed tube (5)
It is provided with a check-valves (13).
5. three-level anaerobic fermentation system as claimed in claim 4, it is characterised in that also set respectively in the side wall of three fermentation tanks
Discharging opening is equipped with, and a slag valve (14) is provided with the discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846540.5A CN107384755A (en) | 2017-09-19 | 2017-09-19 | A kind of three-level anaerobic fermentation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846540.5A CN107384755A (en) | 2017-09-19 | 2017-09-19 | A kind of three-level anaerobic fermentation system |
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| CN107384755A true CN107384755A (en) | 2017-11-24 |
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| CN201710846540.5A Pending CN107384755A (en) | 2017-09-19 | 2017-09-19 | A kind of three-level anaerobic fermentation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401955A (en) * | 2018-12-12 | 2019-03-01 | 桂林电子科技大学 | A kind of vertical multi-stage anaerobic reactor |
| CN109628274A (en) * | 2018-12-28 | 2019-04-16 | 河南恒天久大实业有限公司 | A kind of multistage cellular-type full mixed anaerobic reaction device |
| CN110295104A (en) * | 2019-07-16 | 2019-10-01 | 江苏沼禾农业科技有限公司 | A kind of integral anaerobic fermentation system |
| CN110981571A (en) * | 2019-12-30 | 2020-04-10 | 塔里木大学 | Automatic turn over fertilizer fermentation vat of heap |
| CN112897690A (en) * | 2021-02-05 | 2021-06-04 | 诸城舜沃农业科技有限公司 | Anaerobic fermentation device capable of being switched randomly based on one-stage two-stage fermentation |
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| JP3123633U (en) * | 2006-02-01 | 2006-07-27 | 株式会社静岡ニチデン | 2-tank fermentation treatment tank of sludge organic waste treatment equipment |
| CN101348765A (en) * | 2008-06-06 | 2009-01-21 | 兰州理工大学 | Three-stage constant temperature biogas production system |
| CN101397178A (en) * | 2008-08-14 | 2009-04-01 | 中国地质大学（武汉） | Livestock and poultry raising sewage disposal process and disposal system thereof |
| CN202730018U (en) * | 2012-03-29 | 2013-02-13 | 新兴县恒丰肥业有限公司 | Organic fertilizer production workshop |
| CN202730024U (en) * | 2012-08-11 | 2013-02-13 | 颜尚雄 | Novel device utilizing decoction dregs to produce bio-organic fertilizer |
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2017
- 2017-09-19 CN CN201710846540.5A patent/CN107384755A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3123633U (en) * | 2006-02-01 | 2006-07-27 | 株式会社静岡ニチデン | 2-tank fermentation treatment tank of sludge organic waste treatment equipment |
| CN101348765A (en) * | 2008-06-06 | 2009-01-21 | 兰州理工大学 | Three-stage constant temperature biogas production system |
| CN101397178A (en) * | 2008-08-14 | 2009-04-01 | 中国地质大学（武汉） | Livestock and poultry raising sewage disposal process and disposal system thereof |
| CN202730018U (en) * | 2012-03-29 | 2013-02-13 | 新兴县恒丰肥业有限公司 | Organic fertilizer production workshop |
| CN202730024U (en) * | 2012-08-11 | 2013-02-13 | 颜尚雄 | Novel device utilizing decoction dregs to produce bio-organic fertilizer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401955A (en) * | 2018-12-12 | 2019-03-01 | 桂林电子科技大学 | A kind of vertical multi-stage anaerobic reactor |
| CN109628274A (en) * | 2018-12-28 | 2019-04-16 | 河南恒天久大实业有限公司 | A kind of multistage cellular-type full mixed anaerobic reaction device |
| CN110295104A (en) * | 2019-07-16 | 2019-10-01 | 江苏沼禾农业科技有限公司 | A kind of integral anaerobic fermentation system |
| CN110981571A (en) * | 2019-12-30 | 2020-04-10 | 塔里木大学 | Automatic turn over fertilizer fermentation vat of heap |
| CN112897690A (en) * | 2021-02-05 | 2021-06-04 | 诸城舜沃农业科技有限公司 | Anaerobic fermentation device capable of being switched randomly based on one-stage two-stage fermentation |
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