CN201924014U - Methane fermentation device - Google Patents

Methane fermentation device Download PDF

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Publication number
CN201924014U
CN201924014U CN2010206549113U CN201020654911U CN201924014U CN 201924014 U CN201924014 U CN 201924014U CN 2010206549113 U CN2010206549113 U CN 2010206549113U CN 201020654911 U CN201020654911 U CN 201020654911U CN 201924014 U CN201924014 U CN 201924014U
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pipe
heat storage
biogas
fermentor tank
storage pipe
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Expired - Fee Related
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CN2010206549113U
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Chinese (zh)
Inventor
张天瑞
孙金世
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GREEN ENERGY TECHNOLOGY Co Ltd ENVIRONMENT
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GREEN ENERGY TECHNOLOGY Co Ltd ENVIRONMENT
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Priority to CN2010206549113U priority Critical patent/CN201924014U/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
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/20—Material Coatings
    • 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
    • C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
    • C12M25/02—Membranes; Filters
    • 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
    • C12M27/22—Perforated plates, discs or walls
    • 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
    • C12M27/24—Draft tube
    • 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
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
    • 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
    • C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
    • 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)
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  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
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  • Microbiology (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The utility model relates to a methane fermentation device, which is characterized by comprising a fermentation tank, a heat dissipation device, a methane stirring device and a feeding device. A top cover with a gas guiding pipe is arranged on the top of the fermentation tank, a discharge pipe is disposed at the bottom of the fermentation tank, a pressing plate is arranged below the liquid level inside the fermentation tank, and gaps are fully distributed on the pressing plate. The heat dissipation device consists of a central heat storage pipe disposed inside the fermentation tank, a water inlet pipe is arranged on the lower portion of the central heat storage pipe, a water outlet pipe is disposed on the upper portion of the central heat storage pipe, a plurality of wing pipes are peripherally arranged outside the central heat storage pipe, a plurality of branch pipes communicated with the central heat storage pipe are disposed on each wing pipe, and a biological membrane is arranged on the heat dissipation device. The methane stirring device comprises a methane pipe disposed inside the central heat storage pipe. The feeding device consists of a feeding tank, a material pipe, a compressed air pipe and a feeding pipe which penetrate into the feeding tank are arranged on the top of the feeding tank, inlet ends of the material pipe and the compressed air pipe are connected with a material source and an air source, and an output end of the feeding pipe penetrates from the upper side of the liquid level inside the fermentation tank and is communicated with the lower portion of the fermentation tank.

Description

A kind of biogas fermentation device
Technical field
The utility model relates to a kind of fermentation unit, particularly about a kind of biogas fermentation device.
Background technology
The challenge that big-and-middle-sized biogas engineering faces is comprehensive lift technique content, fully satisfy the internal cause and the external cause condition of its fermentation, promptly under the anaerobic environment and vigorous breeding of organism of fermentation and reactive conditions of strictness, guarantee the constant leavening temperature (t=35 ℃～38 ℃) that suits, suitable material concentration (TS=6%～8%), suitable potential of hydrogen (PH=7), (material is evenly distributed in fermentor tank suitable uniformity coefficient, need appropriateness to stir), and suitable carbon-nitrogen ratio (C/N=15～25), the engineering measure of satisfying above-mentioned condition is crucial and ensures.
Currently build the common fault of biogas engineering and the problem of existence is: with four seasons aerogenesis instability, volume yield rate is low round the clock, especially late fall, winter, the early spring, can only reach 0.3～0.5m in the factor of created gase maximum of northern area 3/ m 3D.Be volume yield rate and the gas production rate that increases substantially fermentation unit, enable to remain on medium temperature condition and be issued to factor of created gase 〉=1.5m 3/ m 3D must strengthen the work of treatment in early stage of fermentation materials, accomplishes that " fine fodder " is the solid particulate matter of volatile material (VS) or diameter≤0.5mm, adds anaerobic fermentation tank.More single, the imperfection of the measure of taking at present, therefore, DeGrain, and cost is higher.In order to satisfy " four degree, one ratio " condition, must take aggregate measures, comprehensive expression of in one, the multifunctionality of performance facility is reducingd the construction costs, and will conveniently be managed and keep in repair, accomplish component assemblingization as far as possible, be beneficial to batch production production, shorten settling time and construction time.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of compact construction, and is quick for installation, the biogas fermentation device that gathers multi-function in integral whole.
For achieving the above object, the utility model is taked following technical scheme: a kind of biogas fermentation device is characterized in that: it comprises fermentor tank, heat abstractor, biogas whipping appts and feeding device; Be filled with feed liquid in the described fermentor tank, described fermentor tank top is provided with a top cover with airway, and described fermentor tank bottom is provided with a discharge nozzle; Described fermentation tank level below is provided with a holding pad, is covered with the slit on the described holding pad; Described heat abstractor comprises the center heat storage pipe of two ends sealing, and described center heat storage pipe one end is connected described fermentor tank bottom by a support, and the other end connects described top cover; The bottom of described center heat storage pipe is provided with the water inlet pipe that connects the thermal water source, and heat storage pipe top, described center is provided with rising pipe; Exterior circumferential around described center heat storage pipe is provided with some canalis pterygoideus, is respectively arranged with the arm of some connections center heat storage pipe on each described canalis pterygoideus; Described heat abstractor is provided with microbial film; Described biogas whipping appts comprises that one is arranged on the biogas pipe in the heat storage pipe of described center, and the inlet end of described biogas pipe passes described top cover connects a biogas compressor by a check valve output terminal; The outlet side of described biogas pipe passes heat storage pipe bottom, described center, is communicated with by a current distribution device in the feed liquid of described fermentor tank; Described feeding device comprises that one is arranged on the last batch can of the outer sealing of described fermentor tank, and described top of going up batch can is provided with and penetrates a described materail tube, a compressed air pipe and a feeding tube of going up batch can; The input terminus of described materail tube and compressed air pipe is connected material source and source of the gas by an opening-closing valve respectively; The output terminal of described feeding tube penetrates from the liquid level top in the described fermentor tank, and feeds described fermentor tank bottom; Described feeding tube is provided with a check valve.
Described microbial film adopts polyamide fabric to make for folded 4～6 layers, and the thickness of every layer of polyamide fabric is 0.15～0.2mm, and micropore is 80～120 orders on it.
Described holding pad edge is downward-sloping, angle of inclination 〉=10 °.
Described fermentor tank is provided with a temperature-detecting device and and observes visor.
Described microbial film respectively with all the described arm integral coating on each the described canalis pterygoideus in the described heat abstractor wherein.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is provided with heat-exchanger rig in fermentor tank, the inlet tube and outlet tube of the center heat storage pipe of heat-exchanger rig links to each other with the remaining hot water of gas fired-boiler or cogeneration units respectively, this heat-exchanger rig is except that having heating, heat exchange function, its center heat storage pipe also has fermentor tank top cover support post concurrently, holding pad supports multinomial functions such as pallet, microbial film suspension holdfast and biogas tube passage, heat exchange efficiency η 〉=90%.2, the utility model is arranged with the holding pad that is covered with the slit on it at the fermentation tank level, can play and alleviate the incrustive effect of floating material, has improved the degradation rate of suspended substance, and has helped the release of biogas.3, biogas pipe of the present utility model inserts a jar end by the center heat storage pipe by fermentor tank top, and biogas pipe top is provided with against last valve, therefore; in the time of can preventing to shut down; feed back is in the biogas compressor, and biogas pipe bottom is provided with current distribution device, can improve the biogas mixing effect.4, the utility model is provided with batch can atmospherically outside fermentor tank, is provided with materail tube, compressed air pipe and feeding tube atmospherically in the batch can; By materail tube to adding material in the batch can atmospherically, by compressed air pipe to adding pressurized air in the batch can atmospherically, therefore, material is joined in the fermentor tank by feeding tube, adopt this air pressure material-uploading style, the solid particulate matter of volatile material or diameter≤0.5mm can be pressed in the fermentor tank, watt consumption is low, and can not produce blockage problem.5, microbial film of the present utility model adopts polyamide fabric high-strength, highly dense, corrosion-resistant, that do not degrade to make, and the micropore of polyamide fabric is 80～120 orders, has the bigger serface micropore, help holding back and the enrichment bacterial classification, bacterial classification runs off when preventing discharge, improve adhering to and numerous living ability and activity of flora, dead simultaneously thalline very easily peels off, and does not influence adhering to and breeding of newborn flora.The utility model compact construction, quick and easy for installation, cost is low, and energy consumption is low, stir, and can not destroy the fermentor tank anaerobic environment, gathers multi-function in integral whole, and can be widely used in the marsh gas fermentation processes.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the schematic top plan view of Fig. 1
Fig. 3 is a holding pad structural representation of the present utility model
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1 and Figure 2, the utility model comprises fermentor tank 1, heat abstractor 2, biogas whipping appts 3, microbial film 4, holding pad 5, feeding device 6.
As shown in Figure 1, be filled with feed liquid in the fermentor tank 1, the base plate of fermentor tank 1 is provided with a support 11, the top of fermentor tank 1 is provided with a top cover 12, top cover 12 is provided with an airway 13, fermentor tank 1 is provided with a temperature-detecting device 14 and and observes visor 15, and fermentor tank 1 bottom is provided with a discharge nozzle 16 (as shown in Figure 2).
As shown in Figure 1 and Figure 2, heat abstractor 2 is used to the fermentation reaction in the fermentor tank 1 that suitable temperature is provided, and it comprises the center heat storage pipe 21 of two ends sealing, and an end of center heat storage pipe 21 is arranged on the support 11, and the other end is arranged on the top cover 12 of fermentor tank 1.What heat storage pipe 21 outsides in center were positioned at liquid level circumferentially is arranged at intervals with the parallel canalis pterygoideus 22 of some and described center heat storage pipe 21, is respectively arranged with the arm 23 that is communicated with center heat storage pipe 21 between the two ends of each canalis pterygoideus 22 and the two ends.Nethermost arm 23 belows are provided with a water inlet pipe 24 that is communicated with center heat storage pipe 21, and uppermost arm 23 tops are provided with a rising pipe 25 that is communicated with center heat storage pipe 21.The water side of the feed-water end of water inlet pipe 24 and rising pipe 25 is corresponding respectively and the water outlet of the remaining hot water that the gas fired-boiler that is arranged on fermentor tank 1 outside or cogeneration units are interior is connected (not shown) with water-in.
As shown in Figure 1; biogas whipping appts 3 comprises that one is arranged on the biogas pipe 31 in the center heat storage pipe 21; the inlet end of biogas pipe 31 passes the top cover 12 of fermentor tank 1; the output terminal that connects the biogas compressor by a contrary last valve or check valve (not shown); on biogas pipe 31, be provided with contrary on valve or check valve can prevent to shut down the time, the feed back in the fermentor tank 1 is in the biogas compressor.The outlet side of biogas pipe 31 passes the bottom of center heat storage pipe 21, and be communicated with by a current distribution device (not shown) in the feed liquid of fermentor tank 1, when biogas pipe 31 feeds compressed biogas in fermentor tank 1, can improve the gas stirring effect of biogas by current distribution device to feed liquid.
As shown in Figure 1, microbial film 4 respectively with arm 23 integral coating on each canalis pterygoideus 22 in the heat abstractor 2 wherein.Microbial film 4 adopts polyamide fabric high-strength, highly dense, corrosion-resistant, that do not degrade to make, and the micropore of polyamide fabric is 80～120 orders; The thickness of every layer of polyamide fabric is 0.15～0.2mm, and folded 4～6 layers, then its specific surface area increases 8～12 times than hard polyethylene bacterium bed, help bacterial classification and adhere to, and incrust.
As Fig. 1, shown in Figure 3, holding pad 5 is an aperture plate, and being covered with on it has fan-shaped slit or other forms of slit.Holding pad 5 is arranged in the fermentor tank 1, the following 30～40cm place of liquid level.The center of holding pad 5 is provided with a pallet 51, and pallet 51 is by being arranged on filler ring or the stent support on the center heat storage pipe 21.The edge of holding pad 5 is outward-dipping downwards, angle of inclination 〉=10 °, and by being arranged on the filler ring or the stent support of fermentor tank 1 inner peripheral wall.Can alleviate the crust of floating material by holding pad 5, improve the degradation rate of suspended substance, and helped the release of biogas.
As shown in Figure 1, feeding device 6 comprises that one is arranged on the batch can atmospherically 61 of the sealing outside the fermentor tank 1, and the top of last batch can 61 is provided with a materail tube 62, a compressed air pipe 63 and a feeding tube 64 that penetrates batch can 61.The input terminus of materail tube 62 and compressed air pipe 63 is connected material take-off equipment and air compressor by an opening-closing valve respectively, be respectively applied for to feeding material and pressurized air in the last batch can 61, material enters feeding tube 64 under compressed-air actuated pressure, the output terminal of feeding tube 64 is provided with a check valve, the output terminal of feeding tube 64 penetrates from the liquid level top in the fermentor tank 1, and feed bottom in the fermentor tank 1, be used in fermentor tank 1, feeding material.Adopt mode material loading in fermentor tank 1 of above-mentioned air pressure material loading, watt consumption is low, and can not produce blockage problem.
The various embodiments described above only are used to illustrate the utility model; wherein the structure of each parts, mode of connection etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement all should not got rid of outside protection domain of the present utility model.

Claims (7)

1. biogas fermentation device, it is characterized in that: it comprises fermentor tank, heat abstractor, biogas whipping appts and feeding device;
Be filled with feed liquid in the described fermentor tank, described fermentor tank top is provided with a top cover with airway, and described fermentor tank bottom is provided with a discharge nozzle; Described fermentation tank level below is provided with a holding pad, is covered with the slit on the described holding pad;
Described heat abstractor comprises the center heat storage pipe of two ends sealing, and described center heat storage pipe one end is connected described fermentor tank bottom by a support, and the other end connects described top cover; The bottom of described center heat storage pipe is provided with the water inlet pipe that connects the thermal water source, and heat storage pipe top, described center is provided with rising pipe; Exterior circumferential around described center heat storage pipe is provided with some canalis pterygoideus, is respectively arranged with the arm of some connections center heat storage pipe on each described canalis pterygoideus; Described heat abstractor is provided with microbial film;
Described biogas whipping appts comprises that one is arranged on the biogas pipe in the heat storage pipe of described center, and the inlet end of described biogas pipe passes described top cover connects a biogas compressor by a check valve output terminal; The outlet side of described biogas pipe passes heat storage pipe bottom, described center, is communicated with by a current distribution device in the feed liquid of described fermentor tank;
Described feeding device comprises that one is arranged on the last batch can of the outer sealing of described fermentor tank, and described top of going up batch can is provided with and penetrates a described materail tube, a compressed air pipe and a feeding tube of going up batch can; The input terminus of described materail tube and compressed air pipe is connected material source and source of the gas by an opening-closing valve respectively; The output terminal of described feeding tube penetrates from the liquid level top in the described fermentor tank, and feeds described fermentor tank bottom; Described feeding tube is provided with a check valve.
2. a kind of biogas fermentation device as claimed in claim 1 is characterized in that: described microbial film adopts polyamide fabric to make for folded 4～6 layers, and the thickness of every layer of polyamide fabric is 0.15～0.2mm, and micropore is 80～120 orders on it.
3. a kind of biogas fermentation device as claimed in claim 1 is characterized in that: described holding pad edge is downward-sloping, angle of inclination 〉=10 °.
4. a kind of biogas fermentation device as claimed in claim 2 is characterized in that: described holding pad edge is downward-sloping, angle of inclination 〉=10 °.
5. as claim 1 or 2 or 3 or 4 described a kind of biogas fermentation devices, it is characterized in that: described fermentor tank is provided with a temperature-detecting device and and observes visor.
6. as claim 1 or 2 or 3 or 4 described a kind of biogas fermentation devices, it is characterized in that: described microbial film respectively with all the described arm integral coating on each the described canalis pterygoideus in the described heat abstractor wherein.
7. a kind of biogas fermentation device as claimed in claim 5 is characterized in that: described microbial film respectively with all the described arm integral coating on each the described canalis pterygoideus in the described heat abstractor wherein.
CN2010206549113U 2010-12-07 2010-12-07 Methane fermentation device Expired - Fee Related CN201924014U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102586079A (en) * 2012-01-12 2012-07-18 浙江师范大学 Straw juice fermentation vessel
CN104560640A (en) * 2014-12-23 2015-04-29 李世峰 Minitype high-efficiency multifunctional marsh gas fermentation apparatus and method
CN110079442A (en) * 2018-01-26 2019-08-02 华强中天流体设备（北京）有限公司 Small miniature peasant household's efficient methane fermentation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102586079A (en) * 2012-01-12 2012-07-18 浙江师范大学 Straw juice fermentation vessel
CN104560640A (en) * 2014-12-23 2015-04-29 李世峰 Minitype high-efficiency multifunctional marsh gas fermentation apparatus and method
CN110079442A (en) * 2018-01-26 2019-08-02 华强中天流体设备（北京）有限公司 Small miniature peasant household's efficient methane fermentation system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110810

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CF01 Termination of patent right due to non-payment of annual fee