CN104673629A - Anaerobic fermentation system and method for producing biogas by carrying out sludge digestion reaction through anaerobic fermentation system - Google Patents
Anaerobic fermentation system and method for producing biogas by carrying out sludge digestion reaction through anaerobic fermentation system Download PDFInfo
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- CN104673629A CN104673629A CN201410830134.6A CN201410830134A CN104673629A CN 104673629 A CN104673629 A CN 104673629A CN 201410830134 A CN201410830134 A CN 201410830134A CN 104673629 A CN104673629 A CN 104673629A
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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
- 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/02—Percolation
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
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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
Abstract
The invention relates to the technical field of waste treatment and in particular relates to an anaerobic fermentation system and a method for producing biogas by carrying out a sludge digestion reaction through the anaerobic fermentation system. The anaerobic fermentation system comprises a fermentation tank, wherein the fermentation tank is of a sealed structure, and a horizontal stirring device is arranged inside the fermentation tank; a feeding end and a discharging end are respectively arranged at two ends of the fermentation tank in the horizontal direction; a biogas pipe is arranged on the top of the fermentation tank; a feeding hole is formed in the top, which is close to the feeding end, of the fermentation tank; the feeding hole is respectively connected with a feeding screw conveying device and a sludge conveying pipeline; a device for stirring and mixing the materials is arranged below the feeding hole and inside the fermentation tank; a discharge opening is formed in the discharging end and is connected with the screw conveying device; a return pipeline is arranged on one side of the discharging end; and the other end of the return pipeline is connected with the feeding end. The system has the advantages of small size, reasonable design, continuous operation and the like.
Description
Technical field
The present invention relates to Waste Disposal Technology field, particularly a kind of anaerobic fermentation system and the method utilizing it to carry out mud digestion reaction generation biogas.
Background technology
In current world wide, generally there are agricultural, landfill, throwing sea, burning etc. to mud, such as: the U.S. and Britain are based on agricultural, and West Europe is based on Sludge landfill, and Japan is to burn, and Australia is based on Sludge landfill and throw sea.And agricultural sludge method floor space is large, addressing is more difficult, complex management, may produce by frowziness, and heavy metal, pathogenic bacteria and other objectionable impuritiess has certain requirement.Although the management of Sludge landfill method is easier to, few to the recycling of mud, also there is certain pollution to the soil of landfill yard.The processing cost of sludge incineration method is high, and the gas of generation after burning can cause certain pollution to air.For the sludge disposal of China, the annual mud generation in the whole nation, close to 2,200 ten thousand tons, wherein has 80% not dealt carefully with.Overwhelming majority mud is all be sent to the simple landfill of municipal waste plants, even simply stacks in the open.The mud of these enormous amount will become a difficult problem following in need of immediate treatment.
For organic waste, main process disposal options comprises sanitary landfill, high temperature aerobic composting, solid state fermentation, anaerobically fermenting etc., wherein utilize organic waste as the raw material of anaerobic fermentation technology, the clean energy can be obtained, again can the discharge of decreasing pollution thing, be the domestic and international Main way utilized for extensive organic garbage treatment at present.According to the form of raw material, anaerobically fermenting is mainly divided into wet type to ferment and dry fermentation.The solids content of wet type fermentation is about less than 15%, fermentation materials is fluxion, be convenient to by Cemented filling material, produce biogas the most abundant, material fermentation is even, easily realize continuous feeding and discharging, but solid-state fluorescence material first must be pulverized slurrying by wet type fermentation, and in wet processing, there is the problem such as scum silica frost, precipitation.About >=20%, material presents solid-state dry fermentation raw material total solids level, and volume is large, and organic substance decomposing is uneven, is difficult to realize continuous feeding and discharging.
Summary of the invention
The invention provides a kind of anaerobic fermentation system, it is little that this system has volume, reasonable in design, the advantages such as continuously-running.
The present invention also provides a kind of method utilizing described anaerobic fermentation system to carry out digestion reaction generation biogas.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of anaerobic fermentation system, comprise fermentation cabin, described fermentation cabin is sealed structure, its inside is provided with horizontal whipping appts, two ends in fermentation cabin horizontal direction are respectively feed end and discharge end, the top of fermentation cabin is provided with biogas pipe, fermentation cabin is provided with opening for feed near the top of feed end, opening for feed is connected with feed auger e Foerderanlage and sludge carrier pipe road respectively, the below of opening for feed, fermentation cabin inside is provided with carries out Agitation and mixing device to material, discharge end is provided with discharge port, discharge port is connected with helix transporting device, discharge end side is provided with return line, the other end of return line is connected with feed end.
As preferably, return line is provided with recycle pump.
The bubble produced in fermenting process blocks the outlet of gas, and fermentation cabin is also provided with scum silica frost detector and flushing pipe near the top of feed end, flushing pipe is provided with the magnetic valve be connected with this scum silica frost detector signal.When the bubble that scum silica frost detector detects in fermentation cabin reach a certain height, meeting transmission signal is to magnetic valve, and automatic control electric magnet valve is opened, and wash-down water enters fermentation cabin through flushing pipe, sprays to break bubble.
As preferably, described fermentation cabin is right cylinder or rectangular structure, and when it is installed, integral inclined fermentation cabin top and the horizontal direction of making is 0.2-10 ° of angle, and now the gas cloud in wedge shape is left in the feed end side of fermentation cabin.The methane accumulation produced in fermenting process, in gas cloud, can be discharged fermentation cabin by reserved pneumatic outlet, be convenient to the collection and use to biogas, meanwhile, by gas accumulation in gas cloud, be convenient to the detection to scum silica frost and elimination, the safe trouble-free operation of safeguards system.
As preferably, helix transporting device is with filter screen, and remaining for DeR in fermentation cabin larger particles natural pond slag is filtered interception by helix transporting device, discharges outside fermentation cabin.
As preferably, biogas pipe connects water seal, gravel filter successively.
Utilize described anaerobic fermentation system to carry out a method for mud digestion reaction generation biogas, the method comprises following process:
1. solid-state fluorescence material enters in fermentation cabin through feed auger e Foerderanlage, and the mud come with sludge carrier pipe road mixes;
2. axially whipping appts is horizontally installed with in fermentation cabin, can slowly stir, keep the Homogeneous phase mixing state of material and prevent local accumulation, mixture is laterally passed to discharge end from feed end under the tipping effect of horizontal whipping appts, and anaerobically fermenting is carried out at the temperature of 35-60 DEG C, solid matter reduces gradually, and through a fermentation period, mixture moves to discharge end;
3. remaining for DeR in fermentation cabin larger particles natural pond slag can be filtered interception by the helix transporting device of discharge end, outside discharge fermentation cabin, and the natural pond liquid after filter is back to the feed end of fermentation cabin through return line, the operation for the fermentation cabin whole cycle provides stable bacterial classification;
4. the biogas produced is discharged by the biogas pipe at fermentation cabin top, carries out Collection utilization.
The present invention is as the mud after the mud of the combined sewage such as organic waste or maize straw treatment system or dehydration by organic substance, under the condition of suitable moisture, temperature and anaerobism, by the katabolism of microorganism, final produce biogas and by the invention technology of biogas and symbiotic products recycling.
Organic waste mixes with mud by the present invention, anaerobically fermenting is carried out in level stirring slowly, the difference maximum with existing anaerobic ferment process is both without the need to organic waste is pulverized slurrying, in turn ensure that solid substances is in intrasystem long-time stop, continuously-running, can utilize the backflow of natural pond liquid to ensure bacterial classification and the mixing of materials of fermentation cabin inside simultaneously.This technique not only can reduce the cost that organic waste pulverizes slurrying, can also make full use of the backflow of natural pond liquid, keeps the balance of fermentation cabin environment, reduces fermentation cabin volume.
Because in fermentation cabin, material stirring is even, temperature-stable, system fully can produce biogas, after biogas can be passed through gravel filter and thionizer purification, stored in biogas cabinet, for generating after purification, the waste heat that generator produces can be used for again heating of fermentation cabin and is incubated, do not need external energy, ensure the long-term steady running of facility.
The inventive method is in conjunction with the advantage of dry-type anaerobic fermentation with wet type anaerobically fermenting: wet type anaerobically fermenting compared with (1), and the method running cost is little, does not need pulping process, there is not the problem such as scum silica frost, precipitation; (2) compare dry-type anaerobic fermentation, the method can continuously feeding, reduces the personal security risk existed in sequential fed process simultaneously.The method can steady running, abundant aerogenesis, and continuous feeding and discharging, can reduce volume again, reduces cost, can overcome the deficiencies in the prior art.
The invention has the beneficial effects as follows: the present invention adopts the technique of heat, Electricity Federation product type, to the full extent, reach " minimizing, stabilization, innoxious, the resource utilization " of organic waste, realize following processing target: (1) reduces organic waste volume, (2) organic waste character is stablized, (3) dehydrating effect is improved, (4) biogas produced is utilized, (5) stench is eliminated, (6) improve hygienic quality, (7) reach energy efficient conversion, comprehensive utilization of resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of anaerobic fermentation system of the present invention;
In figure: 1, fermentation cabin, 2, feed auger e Foerderanlage, 3, mixing device, 4, horizontal whipping appts, 5, helix transporting device, 6, return line, 7, dredge pump is entered, 8, recycle pump, 9, water seal, 10, gravel filter, 11, torch, 12, sludge carrier pipe road, 13, biogas pipe, 14, scum silica frost detector, 15, flushing pipe, 16, magnetic valve.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, per-cent are weight unit, and the equipment adopted and raw material etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
Embodiment:
As shown in Figure 1, a kind of anaerobic fermentation system of the present invention, comprises fermentation cabin 1, feed auger e Foerderanlage 2, mixing device 3, horizontal whipping appts 4, helix transporting device (band filter screen) 5, return line 6, enters dredge pump 7, recycle pump 8, water seal 9, gravel filter 10, torch 11, sludge carrier pipe road 12, biogas pipe 13.
The design volume of fermentation cabin 1 is about 40m
3, during installation, fermentation cabin integral level slightly tilts, with horizontal direction in the angle being about 2 °.
From the mud (water ratio 95%-99%) of sewage disposal device, organic substance corn stalk (water ratio 65%) is respectively by entering dredge pump 7 and feed auger e Foerderanlage 2 enters fermentation cabin 1.Fermentation cabin 1 front top is provided with mixing device 3, and for mixing organic substance and backflow biogas slurry, fermentation cabin 1 inside is provided with horizontal whipping appts 4, and stirring blade adopts angle steel and rubber plate to process.Fermentation cabin 1 rear end is provided with helix transporting device (band filter screen) 5, and be provided with return line 6, natural pond liquid is back to the front portion of fermentation cabin 1 by reflux pump 8, and a part enters Sewage treatment systems simultaneously.Methane pipeline 13 is installed on fermentation cabin 1 front top, and biogas, through water seal 9 and gravel filter 10, reaches torch 11 or boiler burns.
The anaerobic fermentation system of the present embodiment, material mean residence time is about 30 days.
Utilize described anaerobic fermentation system to carry out a method for mud digestion reaction generation biogas, the method comprises following process:
1. solid-state fluorescence material enters in fermentation cabin through feed auger e Foerderanlage, and the mud come with sludge carrier pipe road mixes.
2. be axially horizontally installed with whipping appts in fermentation cabin, can slowly stir, keep all turning over conjunction state and preventing local accumulation of material.Mixture is laterally passed to discharge end from feed end under the tipping effect of horizontal whipping appts, and carries out anaerobically fermenting at the temperature of 35-60 DEG C, and solid matter reduces gradually, and through a fermentation period, mixture moves to discharge end.
3. remaining for DeR in fermentation cabin larger particles natural pond slag can be filtered interception by the helix transporting device of discharge end, outside discharge fermentation cabin, and the natural pond liquid after filter is back to the feed end of fermentation cabin through return line, for the operation in fermentation cabin whole cycle provides stable bacterial classification.
4. the biogas produced in fermentation cabin is discharged by the biogas pipe at fermentation cabin top, carries out Collection utilization.Biogas is through filtering and desulfurization, and biogas can be collected for generating or directly burn, and the waste heat of burning can be used for the heat exchange on fermentation cabin filtrate return line.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (6)
1. an anaerobic fermentation system, comprise fermentation cabin, it is characterized in that: described fermentation cabin is sealed structure, its inside is provided with horizontal whipping appts, two ends in fermentation cabin horizontal direction are respectively feed end and discharge end, the top of fermentation cabin is provided with biogas pipe, fermentation cabin is provided with opening for feed near the top of feed end, opening for feed is connected with feed auger e Foerderanlage and sludge carrier pipe road respectively, the below of opening for feed, fermentation cabin inside is provided with carries out Agitation and mixing device to material, discharge end is provided with discharge port, discharge port is connected with helix transporting device, discharge end side is provided with return line, the other end of return line is connected with feed end.
2. anaerobic fermentation system according to claim 1, is characterized in that: return line is provided with recycle pump.
3. anaerobic fermentation system according to claim 1, it is characterized in that: described fermentation cabin is right cylinder or rectangular structure, when it is installed, integral inclined fermentation cabin top and the horizontal direction of making is 0.2-10 ° of angle, and now the gas cloud in wedge shape is left in the feed end side of fermentation cabin.
4. anaerobic fermentation system according to claim 1, is characterized in that: helix transporting device is with filter screen.
5. anaerobic fermentation system according to claim 1, is characterized in that: fermentation cabin is also provided with scum silica frost detector and flushing pipe near the top of feed end, flushing pipe is provided with the magnetic valve be connected with this scum silica frost detector signal.
6. utilize the anaerobic fermentation system described in claim 1 to carry out a method for mud digestion reaction generation biogas, it is characterized in that the method comprises following process:
1. solid-state fluorescence material enters in fermentation cabin through feed auger e Foerderanlage, and the mud come with sludge carrier pipe road mixes;
2. axially whipping appts is horizontally installed with in fermentation cabin, can slowly stir, keep the Homogeneous phase mixing state of material and prevent local accumulation, mixture is laterally passed to discharge end from feed end under the tipping effect of horizontal whipping appts, and anaerobically fermenting is carried out at the temperature of 35-60 DEG C, solid matter reduces gradually, and through a fermentation period, mixture moves to discharge end;
3. remaining for DeR in fermentation cabin larger particles natural pond slag can be filtered interception by the helix transporting device of discharge end, outside discharge fermentation cabin, and the natural pond liquid after filter is back to the feed end of fermentation cabin through return line, the operation for the fermentation cabin whole cycle provides stable bacterial classification;
4. the biogas produced is discharged by the biogas pipe at fermentation cabin top, carries out Collection utilization.
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| CN201410830134.6A CN104673629B (en) | 2014-12-26 | 2014-12-26 | A kind of anaerobic fermentation system and utilize its carry out mud digestion reaction produce biogas method |
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| CN201410830134.6A CN104673629B (en) | 2014-12-26 | 2014-12-26 | A kind of anaerobic fermentation system and utilize its carry out mud digestion reaction produce biogas method |
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| CN104673629B CN104673629B (en) | 2016-12-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854033A (en) * | 2017-03-10 | 2017-06-16 | 苏州工业园区中法环境技术有限公司 | Reaction system and method for processing sludge and kitchen garbage |
| CN110482816A (en) * | 2019-08-29 | 2019-11-22 | 合肥徽锐工程科技有限公司 | A kind of dewatered sludge dry fermentation processing unit and method |
| TWI724206B (en) * | 2017-07-18 | 2021-04-11 | 日商生物活用有限公司 | Methane fermentation processing method and processing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381675A (en) * | 2008-06-05 | 2009-03-11 | 北京桑德环保集团有限公司 | Horizontal organic waste dry-type anaerobic digestion processing equipment with agitator and processing method |
| CN102502956A (en) * | 2011-11-01 | 2012-06-20 | 北京环卫集团环境研究发展有限公司 | Municipal organic waste combined anaerobic treatment process and equipment |
| CN202359112U (en) * | 2011-10-14 | 2012-08-01 | 大连力达环境工程有限公司 | Food residue and sludge mixing anaerobic treatment system |
| CN102836863A (en) * | 2012-08-30 | 2012-12-26 | 北京世纪国瑞环境工程技术有限公司 | Comprehensive treatment method for kitchen waste, town excrement and municipal sludge |
| CN102936157A (en) * | 2011-08-15 | 2013-02-20 | 大连力达环境工程有限公司 | Anaerobic treatment system for food waste-sludge mixture |
| CN203938613U (en) * | 2014-07-04 | 2014-11-12 | 潍坊科技学院 | Organic waste compost treatment device |
-
2014
- 2014-12-26 CN CN201410830134.6A patent/CN104673629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381675A (en) * | 2008-06-05 | 2009-03-11 | 北京桑德环保集团有限公司 | Horizontal organic waste dry-type anaerobic digestion processing equipment with agitator and processing method |
| CN102936157A (en) * | 2011-08-15 | 2013-02-20 | 大连力达环境工程有限公司 | Anaerobic treatment system for food waste-sludge mixture |
| CN202359112U (en) * | 2011-10-14 | 2012-08-01 | 大连力达环境工程有限公司 | Food residue and sludge mixing anaerobic treatment system |
| CN102502956A (en) * | 2011-11-01 | 2012-06-20 | 北京环卫集团环境研究发展有限公司 | Municipal organic waste combined anaerobic treatment process and equipment |
| CN102836863A (en) * | 2012-08-30 | 2012-12-26 | 北京世纪国瑞环境工程技术有限公司 | Comprehensive treatment method for kitchen waste, town excrement and municipal sludge |
| CN203938613U (en) * | 2014-07-04 | 2014-11-12 | 潍坊科技学院 | Organic waste compost treatment device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854033A (en) * | 2017-03-10 | 2017-06-16 | 苏州工业园区中法环境技术有限公司 | Reaction system and method for processing sludge and kitchen garbage |
| TWI724206B (en) * | 2017-07-18 | 2021-04-11 | 日商生物活用有限公司 | Methane fermentation processing method and processing device |
| CN110482816A (en) * | 2019-08-29 | 2019-11-22 | 合肥徽锐工程科技有限公司 | A kind of dewatered sludge dry fermentation processing unit and method |
| CN110482816B (en) * | 2019-08-29 | 2022-02-22 | 合肥徽锐工程科技有限公司 | Dehydrated sludge dry fermentation treatment device and method |
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Address after: 310053 Cheng Yip Road, Binjiang District, Hangzhou, Zhejiang Province, No. 8 Patentee after: Ou Sheng Technology (Hangzhou) water Teng Co. Ltd. Address before: 310053 Cheng Yip Road, Binjiang District, Hangzhou, Zhejiang Province, No. 8 Patentee before: Bell Finger water treatment technology (Hangzhou) Co., Ltd. |