CN2585865Y - Two-phase anaerobic dry fermenting treatment plant for house refuse - Google Patents

Two-phase anaerobic dry fermenting treatment plant for house refuse Download PDF

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CN2585865Y
CN2585865Y CN02286361U CN02286361U CN2585865Y CN 2585865 Y CN2585865 Y CN 2585865Y CN 02286361 U CN02286361 U CN 02286361U CN 02286361 U CN02286361 U CN 02286361U CN 2585865 Y CN2585865 Y CN 2585865Y
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fermentation
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fermentor tank
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李声寿
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    • 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
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/16—Solid state fermenters, e.g. for koji production
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    • C12M23/58—Reaction vessels connected in series or in parallel
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    • 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
    • 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
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    • C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/16—Screw conveyor
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    • 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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    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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Abstract

The utility model relates to a two-phase anaerobic dry fermenting treatment plant for house refuse, which is characterized in that the two-phase anaerobic dry fermenting treatment plant comprises a hydrolysis acidification pretreatment fermentation plant, an anaerobic dry fermenting treatment plant, and a material conveying device, wherein, the hydrolysis acidification pretreatment fermentation plant comprises a vertical fermentation tower, a material feeding device, an air-blast device and a digestive fluid reflux device, and the anaerobic dry fermenting treatment plant comprises a horizontal anaerobic dry fermentation tank and a spiral stirrer. The utility model takes a two-phase fermentation measure that the vertical fermentation tower is directly connected with the horizontal anaerobic dry fermentation tank in series, treats refuse which is easy to ferment and is picked up lastly in a hydrolysis acidification mode, and then treats the refuse in an anaerobic dry fermentation mode. The utility model can effectively improve the speed of the hydrolysis acidification of refuse, has the advantages of simple and reasonable structure, small size and quick fermenting speed, high gas production rate and heat value of marsh gas, high fertilizer effect of marsh dregs, no waste liquid, etc., being a plant which can be widely suitable for treating house refuse desired in large-sized and small-sized cities.

Description

The dried fermentation processing unit of domestic refuse diphasic anaerobic
Technical field:
The utility model relates to a kind of domestic garbage disposer, and the particularly a kind of biogas and the device of making the natural pond slag of compoiste fertilizer that domestic refuse can be done fermentative processing Cheng Kezuo fuel through diphasic anaerobic belongs to the domestic rubbish disposal field.
Background technology:
It is several at present the common process method of domestic refuse to be mainly contained burning, landfill, compost etc., but owing to burn and pollute the environment, landfill is difficult to reach innoxious requirement, and compost is because fertilizer efficiency difference and sales difficulty.Begun in recent years to utilize domestic refuse to carry out combustion power generation, be difficult to generally promote the use of but invest problems such as too big and working cost height because of it.In order to overcome the shortcoming of above-mentioned treatment process, external now beginning one's study again put into the anaerobically fermenting tower with Unareobic fermentation with the organic waste in the domestic refuse and added the water fermentative processing that wets, handle through devices such as precipitation, aeration, sediment dryings again, produce biogas and compoiste fertilizer, but this wet fermentation processing unit also obviously exists volume too big, amount of water is big, and factor of created gase is low, the too many and shortcomings such as difficult treatment of fermented waste fluid.
Summary of the invention:
The purpose of this utility model is in order to overcome the weak point of above-mentioned wet-fermentation treatment unit, design a kind of simple and reasonable, volume is less, fermenting speed is fast, methane gas producing rate and calorific value height, natural pond slag fertilizer efficiency is high and do not have waste liquid needs the dried fermentation processing unit of domestic refuse diphasic anaerobic handled again.
The dried fermentation processing unit of domestic refuse diphasic anaerobic of the present utility model, mainly be made up of acidication pre-treatment fermentation unit and anaerobic dry fermentation device and material conveyer, described acidication pre-treatment fermentation unit comprises vertical type fermentation tower, feeding unit, the air-blast device that is provided with blower fan and airduct and blast inlet that is provided with opening for feed and discharge port and aspirating hole, the Digestive system reflux that is provided with spray header and water pump and liquid pumping hole; The anaerobic dry fermentation device comprises the dried fermentor tank of horizontal type anaerobic, the spiral stirrer that is provided with material inlet and methane outlet and the outlet of natural pond slag; Wherein, the discharge port of feeding unit is connected with the opening for feed that is located at vertical type fermentation tower top, aspirating hole is located at the top of vertical type fermentation tower, discharge port is located at the bottom of vertical type fermentation tower, blast inlet is distributed in the vertical type fermentation tower, spray header is contained in vertical type fermentation tower top, liquid pumping hole be distributed in the vertical type fermentation tower in, the bottom; Material conveyer is contained in the discharge port of vertical type fermentation tower and is located between the material inlet at horizontal type anaerobic fermentor tank top, methane outlet is located at the dried fermentor tank of horizontal type anaerobic top, natural pond slag outlet is located at the bottom of the dried fermentor tank of horizontal type anaerobic, and spiral stirrer is contained in the dried fermentor tank of horizontal type anaerobic.
In order to control the fermentative processing temperature, heat transfer element and thermal insulation layer and temperature sensor are housed outside the dried fermentor tank of horizontal type anaerobic; In order to make the material that enters the dried fermentor tank of horizontal type anaerobic can have suitable temperature, heat transfer element and thermal insulation layer and temperature sensor are housed also outside material conveyer; Thermal insulation layer is housed outside vertical type fermentation tower.
For ease of understanding the situation of acidication pre-treatment fermentation unit, sample cock and temperature sensor can be housed at the different heights of vertical type fermentation tower.
In order to prevent gas or leaked liquid, can be respectively equipped with at the valve that suspends charging and discharging and give vent to anger, can close automatically when slagging tap at the material inlet of the opening for feed of vertical type fermentation tower and discharge port and the dried fermentor tank of horizontal type anaerobic and methane outlet and slag exit, natural pond.
In order to ensure production safety, safety valve is housed respectively at the top of vertical type fermentation tower and the top of the dried fermentor tank of horizontal type anaerobic.
The utility model is owing to adopted vertical type fermentation tower and the direct placed in-line two-phase fermentation measure of the dried fermentor tank of horizontal type anaerobic, will through pick up eventually with fragmentation after easy fermentation rubbish carry out anaerobic dry fermentation again through after the pre-treatment of acidication earlier, and when acidication, become the zymogenic Digestive system of being rich in of liquid to reflux the first acidifying of vertical type fermentation tower middle and lower part and spray on the rubbish on top, can effectively accelerate the acidication speed of rubbish, need not to add water in addition and make the very high concentration of acidizing fluid maintenance again, the biogas of the dried fermentor tank of horizontal type anaerobic being produced high heating value is very favourable, the trouble of avoiding again producing the waste liquid of lower concentration and increasing liquid waste disposal, the tank body of the dried fermentor tank of horizontal type anaerobic is fixed, than the structure of rotary tank body advantages of simple more, it is less also to have volume simultaneously, fermenting speed is fast, methane gas producing rate and calorific value height, high and the no waste liquid needs of natural pond slag fertilizer efficiency are advantage such as processing again, is a kind ofly can extensively be fit to the device that the big and medium-sized cities needs are handled domestic refuse.
Description of drawings:
Accompanying drawing is the structural representation of a kind of embodiment of the present utility model.
Embodiment:
Referring to accompanying drawing, 1 among the figure is feeding unit, the 2nd, and blower fan, the 3rd, airduct, the 4th, blast inlet, the 5th, opening for feed, the 6th, thermal insulation layer, the 7th, vertical type fermentation tower, the 8th, aspirating hole, the 9th, safety valve, the 10th, spray header, the 11st, water pump, the 12nd, liquid pumping hole, the 13rd, temperature sensor, the 14th, sample cock, the 15th, discharge port, the 16th, thermal insulation layer, the 17th, temperature sensor, the 18th, material conveyer, the 19th, heat transfer element, the 20th, material inlet, the 21st, methane outlet, the 22nd, safety valve, 23 thermal insulation layers, the 24th, heat transfer element, the 25th, the dried fermentor tank of horizontal type anaerobic, the 26th, temperature sensor, the 27th, the outlet of natural pond slag, the 28th, spiral stirrer, the 29th, gearing.The dried fermentation processing unit of domestic refuse diphasic anaerobic of the present utility model, mainly be made up of acidication pre-treatment fermentation unit and anaerobic dry fermentation device and material conveyer 18, described acidication pre-treatment fermentation unit comprises vertical type fermentation tower 7, feeding unit 1, the air-blast device that is provided with blower fan 2 and airduct 3 and blast inlet 4 that is provided with opening for feed 5 and discharge port 15 and aspirating hole 8, the Digestive system reflux that is provided with spray header 10 and water pump 11 and liquid pumping hole 12; The anaerobic dry fermentation device comprises the dried fermentor tank 25 of horizontal type anaerobic, the spiral stirrer 28 that is provided with material inlet 20 and methane outlet 21 and natural pond slag outlet 27; Wherein, the discharge port of feeding unit 1 is connected with the opening for feed 5 that is located at vertical type fermentation tower top, aspirating hole 8 is located at the top of vertical type fermentation tower, discharge port 15 is located at the bottom of vertical type fermentation tower, blast inlet 4 is distributed in the vertical type fermentation tower, spray header 10 is contained in vertical type fermentation tower top, liquid pumping hole 12 be distributed in the vertical type fermentation tower in, the bottom; Material conveyer 18 is contained in the discharge port 15 of vertical type fermentation tower and is located between the material inlet 20 at horizontal type anaerobic fermentor tank top, methane outlet 21 is located at the dried fermentor tank of horizontal type anaerobic 25 tops, natural pond slag outlet 27 is located at the bottom of the dried fermentor tank of horizontal type anaerobic, and spiral stirrer 28 is contained in the dried fermentor tank 25 of horizontal type anaerobic through transmission mechanism 29 and is rotated by driven by motor.
In order to control the fermentative processing temperature, heat transfer element 24 and thermal insulation layer 23 and temperature sensor 26 are housed outside the dried fermentor tank 25 of horizontal type anaerobic; In order to make the material that enters the dried fermentor tank of horizontal type anaerobic can have suitable temperature, heat transfer element 19 and thermal insulation layer 16 and temperature sensor 17 are housed also outside material conveyer 18; Thermal insulation layer 6 is housed outside vertical type fermentation tower 7.
For ease of understanding the situation of acidication pre-treatment fermentation unit, sample cock 14 and temperature sensor 13 can be housed at the different heights of vertical type fermentation tower 7.
In order to prevent gas or leaked liquid, can export 27 places at the material inlet 20 of the opening for feed 5 of vertical type fermentation tower 7 and discharge port 15 and the dried fermentor tank 25 of horizontal type anaerobic and methane outlet 21 and natural pond slag and be provided with respectively at the valve that suspends charging and discharging and give vent to anger, can close automatically when slagging tap.
In order to ensure production safety, safety valve 9 and 22 are housed respectively at the top of vertical type fermentation tower and the top of the dried fermentor tank of horizontal type anaerobic.
Above-mentioned feeding unit 1 can be selected scraper-type feeder or bucket type feeder or spiral feeder for use, and material conveyer 18 can be selected spiral pipeline transfer roller or pipeline scraper conveyor for use.
During work, feeding unit 1 cuts out opening for feed 5 after sending rubbish to vertical type fermentation tower 7, excessive with anti-fermentative foul smell, in order to quicken rubbish fermentation, can in tower, blow through blast inlet 4, and become the zymogenic Digestive system of being rich in of liquid 12 to extract out from the drawing liquid hole acidifying of middle and lower part elder generation with water pump 11, spray through spray header 10 on the rubbish on top, make upper strata rubbish also quicken fermentation, return velocity by control air output and Digestive system can make leavening temperature be controlled in the Cui scope, the combustion-supporting gas that the gas of emitting from aspirating hole 8 can be made boiler uses, and has got final product the hydrolysis and fermentation situation by temperature sensor 13 and sample cock sampling analysis.When the pre-treatment fermentation is finished, can open discharge port 15 and material inlet 20, with material conveyer 18 fermentation materials in the vertical type fermentation tower is sent in the dried fermentor tank 25 of horizontal type anaerobic and to be carried out anaerobic dry fermentation, in suitable temperature and under the stirring of spiral stirrer 28, material can produce the very high flammable biogas of calorific value from methane outlet 21 outputs, and the natural pond slag then exports 28 from the natural pond slag and flows out.The temperature of regulating heat transfer element 19 is that may command joins the material temperature in the dried fermentor tank 25 of horizontal type anaerobic, the temperature of regulating heat transfer element 24 is the material temperature in the dried fermentor tank 25 of may command horizontal type anaerobic, can select for use coil pipe to make heat transfer element, heat when heat transfer element 19 and 24 adds hot water, lower the temperature when adding cold water.The utlity model has simple and reasonablely, volume is less, fermenting speed is fast, methane gas producing rate and calorific value height, natural pond slag fertilizer efficiency is high and do not have waste liquid needs advantages such as processing again, is a kind ofly can extensively be fit to the device that the big and medium-sized cities needs are handled domestic refuse.

Claims (6)

1, the dried fermentation processing unit of a kind of domestic refuse diphasic anaerobic, it is characterized in that comprising by acidication pre-treatment fermentation unit and anaerobic dry fermentation device and material conveyer and form that described acidication pre-treatment fermentation unit comprises vertical type fermentation tower, feeding unit, the air-blast device that is provided with blower fan and airduct and blast inlet that is provided with opening for feed and discharge port and aspirating hole, the Digestive system reflux that is provided with spray header and water pump and liquid pumping hole; The anaerobic dry fermentation device comprises the dried fermentor tank of horizontal type anaerobic, the spiral stirrer that is provided with material inlet and methane outlet and the outlet of natural pond slag; Wherein, the discharge port of feeding unit is connected with the opening for feed that is located at vertical type fermentation tower top, aspirating hole is located at the top of vertical type fermentation tower, discharge port is located at the bottom of vertical type fermentation tower, blast inlet is distributed in the vertical type fermentation tower, spray header is contained in vertical type fermentation tower top, liquid pumping hole be distributed in the vertical type fermentation tower in, the bottom; Material conveyer is contained in the discharge port of vertical type fermentation tower and is located between the material inlet at horizontal type anaerobic fermentor tank top, methane outlet is located at the dried fermentor tank of horizontal type anaerobic top, natural pond slag outlet is located at the bottom of the dried fermentor tank of horizontal type anaerobic, and spiral stirrer is contained in the dried fermentor tank of horizontal type anaerobic.
2, the dried fermentation processing unit of domestic refuse diphasic anaerobic as claimed in claim 1 is characterized in that the dried fermentor tank of horizontal type anaerobic is equipped with heat transfer element and thermal insulation layer and temperature sensor outward; In order to make the material that enters the dried fermentor tank of horizontal type anaerobic can have suitable temperature, heat transfer element and thermal insulation layer and temperature sensor are housed also outside material conveyer; Thermal insulation layer is housed outside vertical type fermentation tower.
3, the dried fermentation processing unit of domestic refuse diphasic anaerobic as claimed in claim 2 is characterized in that the different heights of vertical type fermentation tower is equipped with sample cock and temperature sensor.
4, the dried fermentation processing unit of domestic refuse diphasic anaerobic as claimed in claim 3 is characterized in that the material inlet of the opening for feed of vertical type fermentation tower and discharge port and the dried fermentor tank of horizontal type anaerobic and methane outlet and slag exit, natural pond are respectively equipped with at the valve that suspends charging and discharging and give vent to anger, can close automatically when slagging tap.
5, the dried fermentation processing unit of domestic refuse diphasic anaerobic as claimed in claim 4 is characterized in that in order to ensure production safety, at the top of vertical type fermentation tower and the top of the dried fermentor tank of horizontal type anaerobic safety valve is housed respectively.
6, as claim 1 or 2 or 3 or the 4 or 5 dried fermentation processing units of described domestic refuse diphasic anaerobic, it is characterized in that feeding unit can select scraper-type feeder or bucket type feeder or spiral feeder for use, material conveyer can be selected spiral pipeline transfer roller or pipeline scraper conveyor for use.
CN02286361U 2002-11-29 2002-11-29 Two-phase anaerobic dry fermenting treatment plant for house refuse Expired - Fee Related CN2585865Y (en)

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1326988C (en) * 2004-10-29 2007-07-18 王予意 Semi-underground tunnel type methane autoclave
CN1995318B (en) * 2006-12-25 2010-05-19 徐伟 Anerobic type biological reactor tank
CN101805693A (en) * 2010-04-07 2010-08-18 北京科技大学 Automated biogas dry fermentation device
CN101921049A (en) * 2010-09-21 2010-12-22 同济大学 Method and device for producing methane by using dry anaerobic digestion for urban sludge and organic matter
CN101186874B (en) * 2007-12-10 2011-02-02 沈阳航空工业学院 Full-automatic domestic biological organic garbage anaerobic fermentation tank
CN101585043B (en) * 2009-06-17 2011-04-27 宝林 Food waste hydrolysis acidifying reactor
CN101654321B (en) * 2008-08-21 2011-06-08 中国农业大学 Dry manure two-phase anaerobic digestion system for pig farm
CN101279324B (en) * 2008-05-23 2011-09-07 曹邦文 Pretreatment device for extracting gaseous bioenergy from organic matter rubbish
CN102174380A (en) * 2011-03-11 2011-09-07 黑龙江省科学院科技孵化中心 Raw material pretreatment device and system for realizing methane collection by utilizing device
CN101423846B (en) * 2008-12-09 2011-09-21 创东能源环保科技（福建）有限公司 Non-pollution marsh gas fermentation processing method and apparatus thereof
CN101565719B (en) * 2008-04-25 2011-12-21 北京化工大学 Method for producing methane by two-phase multi-stage anaerobic fermentation of organic solid wastes
CN101381675B (en) * 2008-06-05 2012-02-29 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
CN102477813A (en) * 2010-11-23 2012-05-30 周诗忠 Environmental protection and agriculture combination device with ecological circulation
WO2012075756A1 (en) * 2010-12-09 2012-06-14 潍坊金丝达实业有限公司 Resource utilizing method of refuses in urban and rural
CN102690753A (en) * 2012-06-14 2012-09-26 山东理工大学 Test device suitable for researching methane dry fermentation process
CN102757890A (en) * 2012-07-10 2012-10-31 北京大学深圳研究生院 Anaerobic digestion treatment method and system of kitchen waste
CN102839112A (en) * 2012-08-30 2012-12-26 浙江森力机械科技有限公司 Vertical continuous fermentation tank set
CN103045651A (en) * 2012-11-12 2013-04-17 华盛顿州立大学 Two-stage solid-liquid two-phase anaerobic fermentation circulating system and method for producing methane
CN103589633A (en) * 2013-11-11 2014-02-19 哈尔滨工业大学 Two-section anaerobic fermentation device and method for producing methane by performing anaerobic fermentation by device
CN106434296A (en) * 2016-10-14 2017-02-22 上海市政工程设计研究总院（集团）有限公司 Integrated dry-wet anaerobic digestion device
CN107011002A (en) * 2017-06-01 2017-08-04 湖州知维技术服务有限公司 A kind of biological integrated treatment technology of organic domestic waste
CN109439539A (en) * 2018-12-20 2019-03-08 自贡兴瑞能源开发有限公司 Plug-flow anaerobic fermentation system and method are forced in buried segmentation
CN113145609A (en) * 2021-03-15 2021-07-23 哈尔滨工业大学 Sequencing batch type pretreatment system and method for anaerobic digestion of high-solid-content kitchen garbage
CN114015537A (en) * 2021-11-23 2022-02-08 河北科技大学 High-efficiency anaerobic dry fermentation system for organic waste
CN114015541A (en) * 2021-11-22 2022-02-08 河北科技大学 Anaerobic dry fermentation system for organic waste two-phase combination
CN114015537B (en) * 2021-11-23 2024-04-26 河北科技大学 High-efficient anaerobic dry fermentation system of organic matter discarded object

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1326988C (en) * 2004-10-29 2007-07-18 王予意 Semi-underground tunnel type methane autoclave
CN1995318B (en) * 2006-12-25 2010-05-19 徐伟 Anerobic type biological reactor tank
CN101186874B (en) * 2007-12-10 2011-02-02 沈阳航空工业学院 Full-automatic domestic biological organic garbage anaerobic fermentation tank
CN101565719B (en) * 2008-04-25 2011-12-21 北京化工大学 Method for producing methane by two-phase multi-stage anaerobic fermentation of organic solid wastes
CN101279324B (en) * 2008-05-23 2011-09-07 曹邦文 Pretreatment device for extracting gaseous bioenergy from organic matter rubbish
CN101381675B (en) * 2008-06-05 2012-02-29 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
CN101654321B (en) * 2008-08-21 2011-06-08 中国农业大学 Dry manure two-phase anaerobic digestion system for pig farm
CN101423846B (en) * 2008-12-09 2011-09-21 创东能源环保科技（福建）有限公司 Non-pollution marsh gas fermentation processing method and apparatus thereof
CN101585043B (en) * 2009-06-17 2011-04-27 宝林 Food waste hydrolysis acidifying reactor
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