CN102381761A - Anaerobic reactor capable of controlling methane mixing quantity - Google Patents
Anaerobic reactor capable of controlling methane mixing quantity Download PDFInfo
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- CN102381761A CN102381761A CN2011103094149A CN201110309414A CN102381761A CN 102381761 A CN102381761 A CN 102381761A CN 2011103094149 A CN2011103094149 A CN 2011103094149A CN 201110309414 A CN201110309414 A CN 201110309414A CN 102381761 A CN102381761 A CN 102381761A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses an anaerobic reactor capable of controlling methane mixing quantity. A purification water outlet pipe (2) for discharging clear water processed by the anaerobic reactor (1) is arranged at the upper end of the anaerobic reactor (1); a waste water inlet pipe (3) for waste water to enter the anaerobic reactor (1) is arranged at the lower end of the anaerobic reactor (1); and a sludge bulking bed (4) is arranged in the anaerobic reactor (1). The anaerobic reactor is characterized in that a methane inlet pipe (5) controlled by a valve is arranged at the lower end of the anaerobic reactor (1); the methane inlet pipe (5) is communicated with the lower end of the anaerobic reactor (1); and the height of a gas outlet of the methane inlet pipe (5) is smaller than the largest height of the sludge bulking bed (4). As the anaerobic reactor adopts generated methane for mixing gas, equipment is simple, the input is very small, the maintenance quantity is small, the power consumption is low, the running cost is low, and the service life of the equipment is long.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of anaerobic reactor of controlled biogas amount of agitation.
Background technology
Anaerobic biological treatment need not provide under the condition of external source energy as the metabolic characteristic that utilizes anerobe, to be reduced organism as hydrogen acceptor, produces the methane gas that has the energy to be worth simultaneously.The anaerobic biological treatment method is not only applicable to high concentrated organic wastewater, and water inlet BOD maximum concentration can reach tens thousand of mg/l, applicable to low-concentration organic waste water, like municipal effluent etc. yet.
Anaerobic reactor is a kind of treatment process of biomembrance process efficiently.Waste water is sent into quantitative waste water the rotary water distributor that is arranged on reactor bottom through lift pump after stable temperature control.Because the water distributor design on each square face of reactor bottom, can guarantee that water inlet distributes very uniformly and the stable and uniform of waste water upflow velocity.Waste water contacts with anaerobic sludge in the Sludge Bed of UASB bottom; Through the biochemical Decomposition of anerobes the part pollutent in the water being carried out decomposition and inversion is methane and small organic molecule; And the mud that under hydraulic action, rises with the suspended sludge layer further reacts, and can guarantee that like this Pollutant levels in the water reach the Pollutant levels requirement of water outlet.
Waste water, biogas and the mud that adheres to gas rise to water, the biogas triphase separator that is arranged on reactor drum top under hydraulic action.The mixed solution at first flap in the triphase separator bottom outgases and collects, and gas is collected behind the water-sealed tank high altitude discharge by the collecting methane pipeline or ignited.The settling region of solidliquid mixture entering triphase separator carries out the precipitate and separate of mud and water.Waste water collect to be derived the UASB system through overflow groove, and the mud that precipitates is back to the mud district of bottom through the flap slope, guarantees that the steady running mikrobe of reactor drum contacts the absorption decomposing organic matter with organism in the sewage, thereby reaches the purpose of processing.Anaerobic reactor equipment mainly contains apparatus body, turning spurt water device, water-sealed tank, triphase separator, anaerobe bacterium carrier and circulation return pipe integral part.
In wastewater treatment, the operating requirement of anaerobic reactor is absolute not to have dissolved oxygen, requires mud can be in fluidized state simultaneously.Can there be the dead band in multi-form anaerobic reactor in the part, and perhaps rising runs off can not make sludge bulking, has a strong impact on the treatment effect of anaerobic reactor.The present invention therefore.
Summary of the invention
The object of the invention is to provide a kind of anaerobic reactor of controlled biogas amount of agitation, has solved in the prior art anaerobic reactor part and has existed the dead band to cause problems such as sludge bulking poor effect, anerobic sowage treatment effect be bad.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of anaerobic reactor of controlled biogas amount of agitation, said anaerobic reactor upper end are provided with the water pipe that purifies that supplies anaerobic reactor to handle back clear water water outlet, and said anaerobic reactor lower end is provided with the wastewater inlet pipe that supplies waste water to get into anaerobic reactor; Be provided with the sludge bulking bed in the said anaerobic reactor; It is characterized in that said anaerobic reactor lower end also is provided with the biogas entering pipe of valve control, said biogas entering pipe is communicated with the anaerobic reactor lower end and biogas gets into the maximum height that the air outlet of managing is lower than the sludge bulking bed.
Preferably, said sludge bulking bed upper end is provided with sludge water biogas separator for the water outlet settling section between said sludge bulking bed and the water outlet settling section; The said water pipe that purifies is communicated with water outlet with the water outlet settling section.
Preferably, said water outlet settling section upper end also is provided with the biogas escape pipe, and said biogas escape pipe is connected into biogas and gets into the circulation of pipe formation biogas after refining plant, pressurization process device are handled.
Preferably, said biogas gets on the pipe biogas valve is set, amount and speed that said biogas valve control biogas gets into anaerobic reactor.
Preferably, the terminal inlet distribution device that connects of said wastewater inlet pipe, said inlet distribution device is arranged on the lower end of sludge bulking bed.
Preferably, said biogas gets into the terminal biogas sparger that connects of pipe, and said biogas sparger is arranged on the lower end of inlet distribution device.
Preferably, said biogas sparger comprises several biogas nozzles, and said biogas nozzle becomes concentric circles to arrange, the biogas nozzle pipeline connection on each concentric(al) circles, and the biogas nozzle between the concentric(al) circles is through same diameter pipeline connection.
Preferably, said inlet distribution device comprises several water inlet distribution pipe, and an end of said water inlet distribution pipe is evenly distributed on the lower end sustained height of sludge bulking bed; The other end of water inlet distribution pipe is communicated with through collecting tubule and wastewater inlet pipe are terminal.
Preferably, the water inlet of the outgassing direction of said biogas nozzle and water inlet distribution pipe is in the opposite direction.
The biogas that technical scheme of the present invention adopts anaerobic reactor to produce; After purifying treatment and pressurization, be pressed into the bottom of anaerobic reactor, biogas is through the biogas sparger; Biogas is evenly distributed on the base plate of reactor drum; Make that the mud of reaction zone is in swelling state in the reactor drum, and make waste water and the rapid contact reacts of mud, mass transfer effect is provided.Can control biogas amount of agitation and churning time through SV.
Anaerobic reactor conventional machinery traditional in the prior art stirs; Problems such as mechanical stirring is often complicated with machinery, have high input, maintenance cost is high, power consumption is big, running cost is high, service life of equipment is long; In order to overcome the above problems; Advantages such as the biogas that the anaerobic reactor that the present invention adopts produces carries out gas stirring, and equipment is simple, input is very little, maintenance capacity is little, power consumption is low, running cost is low, service life of equipment is long.
With respect to scheme of the prior art, advantage of the present invention is:
The biogas that waste water produces through biogas valve control biogas inlet manifold, is distributed in the bottom of reactor drum through after purification and pressurizeing through the biogas sparger; With get into the influent waste water sparger through the influent waste water house steward; Rapid contact reacts, and, make the mud in the reactor drum be in swelling state through the biogas stirring; The expanded bed of mud has improved contacting between the organism and mikrobe in the waste water; Strengthen mass transfer effect, improved the biochemical reaction speed of reactor drum, thereby improved the treatment efficiency of reactor drum greatly.
Biogas stirs mud, biogas is risen, and when the mud that carries biogas runs to mud, water, biogas separator, bumps; Mud has changed running orbit as particle; And along sliding to the sludge bulking bed under mud, water, the biogas separator, biogas proportion is little, and treating water is introduced the water outlet settling section; Mud in small, broken bits imports reaction zone, and the water outlet after the purification flows into the subsequent disposal unit with rising pipe.Purify again and pressure treatment behind the biogas process biogas escape pipe.
The expansible Sludge Bed has diluted that toxic substance has improved the surperficial upflow velocity and the COD clearance of waste water to the influence of mikrobe in the waste water; Through continuous flushing; The mud particle diameter constantly increases, and has improved the physical strength of mud, improves the reactor drum capacity of resisting impact load.Improve the volumetric loading and the COD clearance of reactor drum, the volume of reactor drum is greatly reduced, saved floor space, reduced cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of the anaerobic reactor of the controlled biogas amount of agitation of the embodiment of the invention;
Fig. 2 is that the A-A of Fig. 1 is to diagrammatic sketch.
Wherein: 1 is anaerobic reactor; 2 for purifying water pipe; 3 is wastewater inlet pipe; 4 are the sludge bulking bed; 5 are biogas entering pipe; 6 are the water outlet settling section; 7 is sludge water biogas separator; 8 is the biogas escape pipe; 31 is the inlet distribution device; 32 is water inlet distribution pipe; 33 is collecting tubule; 51 is the biogas sparger; 52 is the biogas nozzle; 53 is the diameter pipeline; 54 is the biogas valve.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
As depicted in figs. 1 and 2; The anaerobic reactor of this controlled biogas amount of agitation; Said anaerobic reactor 1 upper end be provided with supply that anaerobic reactor 1 handles back clear water water outlet purify water pipe 2, said anaerobic reactor 1 lower end is provided with the wastewater inlet pipe 3 that supplies waste water to get into anaerobic reactor 1; Be provided with sludge bulking bed 4 in the said anaerobic reactor 1; The biogas that said anaerobic reactor 1 lower end also is provided with valve control gets into pipe 5, and said biogas gets into that pipe 5 is communicated with anaerobic reactor 1 lower end and the maximum height that 5 air outlet is lower than sludge bulking bed 4 is managed in the biogas entering.Said sludge bulking bed 4 upper ends are water outlet settling section 6, and said water outlet settling section 6 upper ends also are provided with biogas escape pipe 8, and said biogas escape pipe 8 is connected into biogas and gets into pipe 5 formation biogas circulations after refining plant, pressurization process device are handled.
Sludge water biogas separator 7 is set between sludge bulking bed 4 and the water outlet settling section 6; The said water pipe 2 that purifies is communicated with water outlet with water outlet settling section 6.Said biogas gets on the pipe 5 biogas valve 54 is set, amount and speed that said biogas valve 54 control biogas get into anaerobic reactor.The said wastewater inlet pipe 3 terminal inlet distribution devices 31 that connect, said inlet distribution device 31 is arranged on the lower end of sludge bulking bed 4.Said biogas gets into the pipe 5 terminal biogas spargers 51 that connect, and said biogas sparger 51 is arranged on the lower end of inlet distribution device 31.
Biogas sparger 51 comprises several biogas nozzles 52, and 52 one-tenth concentric circles of said biogas nozzle are arranged, biogas nozzle 52 pipeline connections on each concentric(al) circles, and the biogas nozzle 52 between the concentric(al) circles is communicated with through same diameter pipeline 53.Said inlet distribution device 31 comprises several water inlet distribution pipe 32, and an end of said water inlet distribution pipe 32 is evenly distributed on the lower end sustained height of sludge bulking bed 4; The other end of water inlet distribution pipe 32 is through collecting tubule 33 and 3 terminal connections of wastewater inlet pipe.The water inlet of the outgassing direction of said biogas nozzle 52 and water inlet distribution pipe 32 is in the opposite direction.
The biogas that anaerobic reactor 1 produces in sludge bulking bed district makes sludge bulking, and biogas takes mud to and rises; Improved mass transfer effect, biogas is located to separate at mud, water, biogas separator 7 (triphase separator) with mud, and mud is trapped in reactor drum; Biogas density is little; Continue to rise to biogas escape pipe 8, the clarification at water outlet settling section 6 places of the waste water after the purification flows to the subsequent disposal unit through purifying water pipe 2.Biogas passes through 54 controls of biogas valve through purification and pressurization back; Biogas gets into anaerobic reactor 1 through biogas inlet pipe (biogas inlet manifold); Be evenly distributed on the bottom of whole reactor through biogas sparger 51; Waste water gets into pipe 3 (waste water carries out house steward) through waste water and gets in the anaerobic reactor 1, is evenly distributed on the bottom of whole anaerobic reactor through inlet distribution device 31.Biogas stirs the mud in the anaerobic reactor 1, and waste water is fully contacted with mud, has improved the volumetric loading and the COD clearance of anaerobic reactor.Realize the anaerobic reactor of controlled biogas amount of agitation through biogas valve 54.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (9)
1. the anaerobic reactor of a controlled biogas amount of agitation; Said anaerobic reactor (1) upper end be provided with supply that anaerobic reactor (1) handles back clear water water outlet purify water pipe (2), said anaerobic reactor (1) lower end is provided with the wastewater inlet pipe (3) that supplies waste water to get into anaerobic reactor (1); Be provided with sludge bulking bed (4) in the said anaerobic reactor (1); It is characterized in that said anaerobic reactor (1) lower end also is provided with the biogas entering pipe (5) of valve control, said biogas entering pipe (5) is communicated with anaerobic reactor (1) lower end and biogas gets into the maximum height that the air outlet of managing (5) is lower than sludge bulking bed (4).
2. the anaerobic reactor of controlled biogas amount of agitation according to claim 1; It is characterized in that said sludge bulking bed (4) upper end for water outlet settling section (6), is provided with sludge water biogas separator (7) between said sludge bulking bed (4) and the water outlet settling section (6); The said water pipe (2) that purifies is communicated with water outlet with water outlet settling section (6).
3. the anaerobic reactor of controlled biogas amount of agitation according to claim 2; It is characterized in that said water outlet settling section (6) upper end also is provided with biogas escape pipe (8), said biogas escape pipe (8) is connected into biogas and gets into the circulation of pipe (5) formation biogas after refining plant, pressurization process device are handled.
4. the anaerobic reactor of controlled biogas amount of agitation according to claim 2 is characterized in that on the said biogas entering pipe (5) biogas valve (54) being set, amount and speed that said biogas valve (54) control biogas gets into anaerobic reactor.
5. the anaerobic reactor of controlled biogas amount of agitation according to claim 2 is characterized in that the terminal inlet distribution device (31) that connects of said wastewater inlet pipe (3), and said inlet distribution device (31) is arranged on the lower end of sludge bulking bed (4).
6. the anaerobic reactor of controlled biogas amount of agitation according to claim 5 is characterized in that said biogas gets into the terminal biogas sparger (51) that connects of pipe (5), and said biogas sparger (51) is arranged on the lower end of inlet distribution device (31).
7. the anaerobic reactor of controlled biogas amount of agitation according to claim 6; It is characterized in that said biogas sparger (51) comprises several biogas nozzles (52); Said biogas nozzle (52) becomes concentric circles to arrange; Biogas nozzle (52) pipeline connection on each concentric(al) circles, the biogas nozzle (52) between the concentric(al) circles is communicated with through same diameter pipeline (53).
8. the anaerobic reactor of controlled biogas amount of agitation according to claim 7; It is characterized in that said inlet distribution device (31) comprises several water inlet distribution pipe (32), an end of said water inlet distribution pipe (32) is evenly distributed on the lower end sustained height of sludge bulking bed (4); The other end of water inlet distribution pipe (32) is communicated with through collecting tubule (33) and wastewater inlet pipe (3) are terminal.
9. the anaerobic reactor of controlled biogas amount of agitation according to claim 8 is characterized in that the water inlet of outgassing direction and water inlet distribution pipe (32) of said biogas nozzle (52) is in the opposite direction.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105884021A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | Intermittent anaerobic wastewater treatment system and method |
CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
CN113354082A (en) * | 2021-07-02 | 2021-09-07 | 山东杨帆环保工程股份有限公司 | Anaerobic membrane sewage treatment device |
CN114314828A (en) * | 2021-12-31 | 2022-04-12 | 西南交通大学 | Anaerobic fluidized bed membrane bioreactor |
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CN2594262Y (en) * | 2003-01-06 | 2003-12-24 | 济南十方环保有限公司 | Anaerobic particle sludge expanding beds |
CN1583601A (en) * | 2004-06-11 | 2005-02-23 | 清华大学 | Reactor with anaerobic suspension bed |
CN201433135Y (en) * | 2009-07-13 | 2010-03-31 | 安徽丰原生物化学股份有限公司 | Anaerobic reactor |
CN201785246U (en) * | 2010-07-19 | 2011-04-06 | 江苏泽宇环境工程有限公司 | CAFT high-efficiency anaerobe reactor for processing sewage |
CN202246250U (en) * | 2011-10-13 | 2012-05-30 | 苏州欧莱华环保设备有限公司 | Anaerobic reactor capable of controlling mixing amount of methane |
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2011
- 2011-10-13 CN CN2011103094149A patent/CN102381761A/en active Pending
Patent Citations (5)
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CN2594262Y (en) * | 2003-01-06 | 2003-12-24 | 济南十方环保有限公司 | Anaerobic particle sludge expanding beds |
CN1583601A (en) * | 2004-06-11 | 2005-02-23 | 清华大学 | Reactor with anaerobic suspension bed |
CN201433135Y (en) * | 2009-07-13 | 2010-03-31 | 安徽丰原生物化学股份有限公司 | Anaerobic reactor |
CN201785246U (en) * | 2010-07-19 | 2011-04-06 | 江苏泽宇环境工程有限公司 | CAFT high-efficiency anaerobe reactor for processing sewage |
CN202246250U (en) * | 2011-10-13 | 2012-05-30 | 苏州欧莱华环保设备有限公司 | Anaerobic reactor capable of controlling mixing amount of methane |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105884021A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | Intermittent anaerobic wastewater treatment system and method |
CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
CN108358312B (en) * | 2018-03-29 | 2024-06-07 | 安徽久吾天虹环保科技有限公司 | Anaerobic reactor for sewage treatment |
CN113354082A (en) * | 2021-07-02 | 2021-09-07 | 山东杨帆环保工程股份有限公司 | Anaerobic membrane sewage treatment device |
CN113354082B (en) * | 2021-07-02 | 2022-05-17 | 山东杨帆环保工程股份有限公司 | Anaerobic membrane sewage treatment device |
CN114314828A (en) * | 2021-12-31 | 2022-04-12 | 西南交通大学 | Anaerobic fluidized bed membrane bioreactor |
CN114314828B (en) * | 2021-12-31 | 2022-11-29 | 西南交通大学 | Anaerobic fluidized bed membrane bioreactor |
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Application publication date: 20120321 |