CN202081089U - Baffling high-concentration anaerobic fermentation device - Google Patents
Baffling high-concentration anaerobic fermentation device Download PDFInfo
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- CN202081089U CN202081089U CN 201120047671 CN201120047671U CN202081089U CN 202081089 U CN202081089 U CN 202081089U CN 201120047671 CN201120047671 CN 201120047671 CN 201120047671 U CN201120047671 U CN 201120047671U CN 202081089 U CN202081089 U CN 202081089U
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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
- C12M27/18—Flow directing inserts
- C12M27/20—Baffles; Ribs; Ribbons; Auger vanes
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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
- C12M27/06—Stirrer or mobile mixing elements with horizontal or inclined stirrer shaft or axis
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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Abstract
The utility model discloses a baffling high-concentration anaerobic fermentation device comprising a fermentation reaction body, a mechanical stirring device and a heating device. The baffling high-concentration anaerobic fermentation device is characterized in that the fermentation reaction body is formed by a concrete rectangular slot with a cap on top; the mechanical stirring device consists of two mechanical stirring mechanisms that are installed in the fermentation reaction body in parallel; and the heating device is installed in a bottom plate of the fermentation reaction body. The solid content of the fermentation material in a reactor of the device can reach 25-40% and meanwhile, the concentration of anaerobic microorganisms is greatly improved. Horizontal baffling design leads to high material mobility and uniform mixing. The device treats large quantities of organic garbage with high efficiency at low cost.
Description
Technical field
The utility model relates to a kind of reaction unit of dry method anaerobically fermenting, belongs to the organic solid useless technical field of microbiological anaerobic fermentative processing, particularly a kind of deflector type high density anaerobic ferment devices.
Background technology
Along with the discharging of organic waste (as the mud of changing food waste, feces of livestock and poultry, agricultural wastes, organic domestic waste and sewage work's generation) is serious day by day to the pollution problem that ecotope caused, adopt anaerobic fermentation technology that organic waste is polluted and administer an important topic that becomes social sustainable development.
Adopt anaerobic fermentation technology to handle organic waste at present, mainly contain pulling flow type anaerobic ferment devices, hydraulic anaerobic fermentation unit and full mixed anaerobic fermentation unit etc., occupy an leading position with the full hybrid technique of wet method especially; Press the difference of material solid content in the reaction unit, be divided into wet method and dry method two big classes, the solid content of wet-fermentation material is 4～12%, and the solid content of dry method fermentation materials can reach 25～35%.Wet-fermentation generally adopts the complete hybrid reaction unit of vertical type cylinder body, because the solid content in the fermentation materials is low, causes the needed reaction unit volume of unit organic waste big, take up an area of greatly, and the energy consumption height, investment is big, and the unit volume factor of created gase is low.
The advantage of dry method fermentation when being used to offal treatment and remaining refuse treatment is: can handle the higher organic waste of putting of solid content, raw material preparing processing cost before its fermentation is low, drop into fermentation reactor and do not need impurity is done further rejecting as last being measured, but because general horizontal square column structure or the horizontal cylindrical structural of adopting of horizontal dry method fermentation unit, the fermentor tank one-piece construction is comparatively elongated, specific surface area is bigger, cause the area of dissipation of reaction unit bigger, the stable control of temperature when being unfavorable for fermentation reaction, simultaneously in order to make fermentation materials obtain the sufficient reaction times, general reaction unit is all very long, the whipping appts of reaction unit is also longer accordingly, and design is complicated, and mechanical processing difficulty is big, the cost height, investment is big.As Chinese patent application number be that what to adopt in " method of a kind of municipal sludge and organic producing methane by using dry anaerobic digestion and the device " of 201010288462.X is double-deck helical ribbon agitator, still can not make material reach higher solid content.So, the cavity configuration of reactor and the stirring design of arranging is bigger to the treatment effect influence of material.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of deflector type high density anaerobic ferment devices, can carry out effective dry method anaerobically fermenting to high solid content organic waste, realization is with lower input, acquisition is handled flexibly, efficiently to a large amount of organic wastes, has structurally adopted a series of special designs.
The utility model is to realize by following technical scheme:
A kind of deflector type high density anaerobic ferment devices comprises fermentation reaction body, mechanical stirring device and heating unit, and described fermentation reaction body is added a cover in the top by the concrete long square groove and constituted; Described mechanical stirring device is made of two machine mixers, is installed in the inside of described fermentation reaction body side by side; Described heating unit is installed in the base plate interior of described fermentation reaction body.
The mid-way of described two machine mixers is provided with partition wall, described partition wall is vertically through the height of whole fermentation reaction body, and the end by described fermentation reaction chamber body extends to the other end, but keep Unseal type partition wall breach at the other end, in two independent reaction spaces of inside cavity formation Unseal type of described fermentation reaction body.Partition wall and breach are divided into two separate space of Unseal type with the fermentation reaction chamber body, can adopt horizontal baffling formula flow pattern to handle within two spaces after the material charging, and material thorough mixing fermentation finished thoroughly1 also forms the pulling flow type response behaviour.
Described each independent reaction spatial cross section is a square.
Described each independent reaction spatial bottom surface is an arcuate structure, is convenient to whipping appts material is stirred.
Described heating unit is embedded heat transfer tube, is embedded in its inside according to the arcuate structure of described bottom surface.
Described machine mixer is made of some stirring rakes of arranging on agitator motor, stir shaft and the stir shaft, agitator motor is installed in a side of described fermentation reaction body exterior, described agitator motor connects stir shaft, and the stir shaft axis is through the inside of fermentation reaction body.
Arrange between two parties on the cross section of described stir shaft in independent reaction space separately.Make stirring that the supplied materials of all directions can be equal.
Described stirring rake exceeds the highest liquid level of fermentation materials when being stirred to most significant digit.Be convenient to the removal of scum silica frost.
Described fermentation reaction body is provided with opening for feed and discharge port simultaneously in the outside surface on partition wall breach opposite.
The outside surface of described fermentation reaction body also is provided with safe release mouth, temperature sensor, level gage and collection and confinement of gases mouth.
The beneficial effects of the utility model are:
In the utility model, because the cell body volume of reaction unit is bigger, by two cover whipping apptss intermittences or successive stirring material being flowed in reaction unit, full and uniform mixing, to reach the purpose of complete reaction, promote simultaneously material in fermentation unit by the opening for feed baffling of partition wall one side discharge port to the partition wall opposite side, be drawn out of reaction unit by drawing mechanism.
Fermentation materials solid content in the reactor can reach 25～40%, and the concentration of anaerobion is also improved significantly simultaneously, makes the factor of created gase of unit volume improve greatly.The present invention is simple in structure, and maintenance and operation is simple, no deposition of solids deposits yields, airtight no gas release.
Description of drawings
Fig. 1 is the vertical view of deflector type high density anaerobic ferment devices internal structure
Fig. 2 is the structure iron of partition wall breach
Fig. 3 is the inside front view of input and output material end face
Component names among Fig. 1, Fig. 2 and Fig. 3 is:
1-fermentation reaction body, 2-partition wall, 3-agitator motor, 4-stir shaft, 5-stirring rake, 6-safe release mouth, 7-temperature sensor, 8-level gage, 9-collection and confinement of gases mouth, 10-opening for feed, 11,12-discharge port, 13-heat transfer tube, 14-bottom surface arcuate structure, 15-partition wall breach.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As Fig. 1, comprise fermentation reaction body 1, mechanical stirring device (agitator motor 3, stir shaft 4, stirring rake 5) and heating unit (heat transfer tube 13), fermentation reaction body 1 is added a cover in the top by the concrete long square groove and is constituted; Mechanical stirring device is made of two machine mixers, is installed in the inside of described fermentation reaction body 1 side by side; Heating unit is installed in the base plate interior of fermentation reaction body 1.
The mid-way of two machine mixers is provided with partition wall 2, partition wall is vertically through the height of whole fermentation reaction body 1, and the end by described fermentation reaction body 1 inner chamber extends to the other end, but keep Unseal type partition wall breach 15 at the other end, in two independent reaction spaces of inside cavity formation Unseal type of fermentation reaction body 1.Wherein each independent reaction spatial cross section is a square; Each independent reaction spatial bottom surface is an arcuate structure 14.
As Fig. 1 and 3, heating unit is embedded heat transfer tube 13, is embedded in its inside according to the arcuate structure of described bottom surface.
Machine mixer is made of some stirring rakes 5 of arranging on agitator motor 3, stir shaft 4 and the stir shaft, agitator motor 3 is installed in a side of described fermentation reaction body exterior, agitator motor 3 connects stir shaft 4, and stir shaft 4 axises are through the inside of fermentation reaction body 1.Arrange between two parties on the cross section of stir shaft 3 in independent reaction space separately.Stirring rake 5 exceeds the highest liquid level of fermentation materials when being stirred to most significant digit.
As Fig. 1, Fig. 2 and Fig. 3, fermentation reaction body 1 is provided with opening for feed 10 and discharge port 11,12 simultaneously with the outside surface on partition wall breach 15 opposites.The outside surface of fermentation reaction body 1 also is provided with safe release mouth 6, temperature sensor 7, level gage 8 and collection and confinement of gases mouth 9.
As Fig. 1, Fig. 2 and Fig. 3, use this fermentation reaction device and handle the principle of work of organic waste (the organic waste part in the municipal domestic waste) or changing food waste, idiographic flow is as follows: organic waste (or changing food waste) does not need removal of impurities directly to go into fermentation reaction body 1 inner chamber by the charging e Foerderanlage by opening for feed 10 through simple broken pre-treatment.Feed operation can adopt continous way, perhaps semi continuous.The partition effect of inner partition wall 2 enters the material of fermentation reaction body 1, owing to must after the baffling, could arrive discharge port 11 (or 12) around fermentation reaction body 1 through partition wall breach 15.Whipping appts is by agitator motor 3, stir shaft 4 and stirring rake 5 are formed, and the rotating speed of whipping appts is 1-2r/min, under the effect of double-stirring device, material thorough mixing fermentation finished thoroughly1 makes heavy seeds such as sandstone, glass cullet can not precipitate under the effect of agitator on the one hand; Light materials such as wood chip, plastics is able to fragmentation can not produce scum silica frost, forms the response behaviour of pulling flow type on the other hand, and the material baffling is to the discharging end face, and the residence time of organic waste (or changing food waste) in fermentation unit is 20---and 25 days.The organic waste of fermentation finished thoroughly1 (or changing food waste) is discharged fermentation unit by drawing mechanism, and wherein part natural pond slag is back to the charging end face as bacterial classification, is new material inoculation.The arcuate structure of fermentation unit bottom can guarantee the homogeneity that whipping appts stirs, and material flows when making things convenient for fermentation reaction device 1 input and output material simultaneously.By the temperature sensing device 7 at heat-exchanger rig embedded on the base plate 13 and combining with fermentation reaction unit 1 top, can effectively control the leavening temperature in the fermentation reaction device 1, remain on 55-58 ℃.The biogas that anaerobic reaction produces is after 9 collections of collecting methane mouth, for later use.The height of material in the level gage 8 real-time monitor fermentation reacting bodies 1 at fermentation reaction body 1 top is as the foundation of input and output material operation.When biogas output surpasses normal value; when surpassing normal charging and discharging amount in the perhaps charging and discharging amount short period of time; pressure in the fermentation reaction body 1 will increase or reduce; when the pressure change in the fermentation reaction body 1 arrives pre-set threshold; biogas safe release mouth 6 is opened pressure release, with the safety of protected fermentation reacting body 1.
As Fig. 1, Fig. 2 and Fig. 3, use this fermentation reaction device and handle the principle of work of feces of livestock and poultry or mud, idiographic flow is as follows: feces of livestock and poultry (or dewatered sludge) need not pre-treatment, can directly go into fermentation reaction body 1 inner chamber by the charging e Foerderanlage by opening for feed 10.Feed operation can adopt continous way, perhaps semi continuous.The partition effect of inner partition wall 2 enters the material of fermentation reaction body 1, owing to must after the baffling, could arrive discharge port 11 (or 12) around fermentation reaction body 1 through partition wall breach 15.Whipping appts is by agitator motor 3, stir shaft 4 and stirring rake 5 are formed, and the rotating speed of whipping appts is 1-2r/min, under the effect of double-stirring device, material thorough mixing fermentation finished thoroughly1 makes heavy seeds such as sandstone, glass cullet can not precipitate under the effect of agitator on the one hand; Form the response behaviour of pulling flow type on the other hand, the material baffling is to the discharging end face, and the residence time of feces of livestock and poultry (or dewatered sludge) in fermentation unit is 15---and 20 days.The feces of livestock and poultry of fermentation finished thoroughly1 (or dewatered sludge) is discharged fermentation unit by drawing mechanism, enters dewatering unit, and wherein the natural pond liquid that partly produces behind dewatering unit is back to the charging end face as bacterial classification, is new material inoculation.The arcuate structure of fermentation unit bottom can guarantee the homogeneity that whipping appts stirs, and material flows when making things convenient for fermentation reaction body 1 input and output material simultaneously.By the temperature sensing device 7 at heat-exchanger rig embedded on the base plate 13 and combining with fermentation reacting body 1 top, can effectively control the leavening temperature in the fermentation reaction body 1, remain on 35-38 ℃.The biogas that anaerobic reaction produces is after 9 collections of collecting methane mouth, for later use.The height of material in the level gage 8 real-time monitor fermentation reacting bodies 1 at fermentation reaction body 1 top is as the foundation of input and output material operation.When biogas output surpasses normal value; when surpassing normal charging and discharging amount in the perhaps charging and discharging amount short period of time; pressure in the fermentation reaction body 1 will increase or reduce; when the pressure change in the fermentation reaction body 1 arrives pre-set threshold; biogas safe release mouth 6 is opened pressure release, with the safety of protected fermentation reacting body 1.
Claims (10)
1. a deflector type high density anaerobic ferment devices comprises fermentation reaction body, mechanical stirring device and heating unit, it is characterized in that described fermentation reaction body is added a cover in the top by the concrete long square groove to constitute; Described mechanical stirring device is made of two machine mixers, is installed in the inside of described fermentation reaction body side by side; Described heating unit is installed in the base plate interior of described fermentation reaction body.
2. deflector type high density anaerobic ferment devices as claimed in claim 1, the mid-way that it is characterized in that described two machine mixers is provided with partition wall, described partition wall is vertically through the height of whole fermentation reaction body, and the end by described fermentation reaction chamber body extends to the other end, but keep Unseal type partition wall breach at the other end, in two independent reaction spaces of inside cavity formation Unseal type of described fermentation reaction body.
3. deflector type high density anaerobic ferment devices as claimed in claim 2 is characterized in that described each independent reaction spatial cross section is square.
4. deflector type high density anaerobic ferment devices as claimed in claim 2 is characterized in that described each independent reaction spatial bottom surface is an arcuate structure, is convenient to whipping appts material is stirred.
5. deflector type high density anaerobic ferment devices as claimed in claim 4 is characterized in that described heating unit is embedded heat transfer tube, is embedded in its inside according to described arcuate structure.
6. deflector type high density anaerobic ferment devices as claimed in claim 1, it is characterized in that described machine mixer is made of some stirring rakes of arranging on agitator motor, stir shaft and the stir shaft, agitator motor is installed in a side of described fermentation reaction body exterior, described agitator motor connects stir shaft, and the stir shaft axis is through the inside of fermentation reaction body.
7. as deflector type high density anaerobic ferment devices as described in the claim 6, it is characterized in that arranging between two parties on the cross section of described stir shaft in independent reaction space separately.
8. deflector type high density anaerobic ferment devices as claimed in claim 6 is characterized in that described stirring rake when being stirred to most significant digit, exceeds the highest liquid level of fermentation materials.
9. deflector type high density anaerobic ferment devices as claimed in claim 2 is characterized in that described fermentation reaction body is provided with opening for feed and discharge port simultaneously in the outside surface on partition wall breach opposite.
10. deflector type high density anaerobic ferment devices as claimed in claim 1 is characterized in that the outside surface of described fermentation reaction body also is provided with safe release mouth, temperature sensor, level gage and collection and confinement of gases mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120047671 CN202081089U (en) | 2011-02-25 | 2011-02-25 | Baffling high-concentration anaerobic fermentation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120047671 CN202081089U (en) | 2011-02-25 | 2011-02-25 | Baffling high-concentration anaerobic fermentation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242052A (en) * | 2011-02-25 | 2011-11-16 | 上海济兴能源环保技术有限公司 | Horizontal baffled dry anaerobic fermentation reaction apparatus |
| CN105084692A (en) * | 2014-02-26 | 2015-11-25 | 江苏理工学院 | Organic sludge high-temperature microaerobic-anaerobic digestion device |
| CN108315257A (en) * | 2018-05-02 | 2018-07-24 | 凃东升 | A kind of large size producing methane process units and its system |
| CN109182096A (en) * | 2018-09-11 | 2019-01-11 | 北京高能时代环境技术股份有限公司 | It is a kind of high containing intrinsic machine solid waste anaerobic reactor |
-
2011
- 2011-02-25 CN CN 201120047671 patent/CN202081089U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242052A (en) * | 2011-02-25 | 2011-11-16 | 上海济兴能源环保技术有限公司 | Horizontal baffled dry anaerobic fermentation reaction apparatus |
| CN102242052B (en) * | 2011-02-25 | 2016-06-08 | 上海济兴能源环保技术有限公司 | Horizontal baffled dry anaerobic fermentation reaction unit |
| CN105084692A (en) * | 2014-02-26 | 2015-11-25 | 江苏理工学院 | Organic sludge high-temperature microaerobic-anaerobic digestion device |
| CN105084692B (en) * | 2014-02-26 | 2017-11-14 | 江苏理工学院 | Organic sludge high-temperature microaerobic-anaerobic digestion device |
| CN108315257A (en) * | 2018-05-02 | 2018-07-24 | 凃东升 | A kind of large size producing methane process units and its system |
| CN109182096A (en) * | 2018-09-11 | 2019-01-11 | 北京高能时代环境技术股份有限公司 | It is a kind of high containing intrinsic machine solid waste anaerobic reactor |
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