CN202594860U - Anaerobic baffling internal circulation reactor - Google Patents

Anaerobic baffling internal circulation reactor Download PDF

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Publication number
CN202594860U
CN202594860U CN2012201883291U CN201220188329U CN202594860U CN 202594860 U CN202594860 U CN 202594860U CN 2012201883291 U CN2012201883291 U CN 2012201883291U CN 201220188329 U CN201220188329 U CN 201220188329U CN 202594860 U CN202594860 U CN 202594860U
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China
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reactor
compartment
solid
internal circulation
partition
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Expired - Fee Related
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CN2012201883291U
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Chinese (zh)
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张俊
王英辉
李小明
张媛媛
张金莲
韦旭
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Guangxi University
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Guangxi University
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Abstract

The utility model discloses an anaerobic baffling internal circulation reactor. A solid and liquid separation chamber, a baffle, air outlets, sludge outlets, a water inlet, a water outlet, and three-phase separators are arranged in the reactor; the reactor is characterized in that the baffle in the connector divides the reactor into two partition chambers; an internal circulation system is arranged in a first partition chamber; the upper part of a second partition chamber is provided with a secondary three-phase separator and the water outlet, the top of the second partition chamber is provided with a secondary air outlet, and the lower part of the second partition plate is provided with the sludge outlets; and the volume of the first partition chamber is greater than that of the second partition chamber. By the two partition chambers, two kinds of optimum metabolism conditions of different microorganisms can be constructed respectively, wastewater with high suspended solid (SS) concentration can be treated, air can be collected respectively, the running stability can be controlled conveniently, an air stripping internal circulation stirring and mixing system realizes the internal circulation system without external power, and the consumption of stirring power is be saved.

Description

Anaerobic baffled inner circulation reactor
Technical field
The utility model belongs to the sewage sludge treatment technology, particularly relates to anaerobic baffled inner circulation reactor.
Background technology
People just begin to adopt the anaerobic technique sewage sludge before more than 100 years.Had first-generation reactor drum in the twentieth century stage casing, but since this in generation reactor drum can not sludge retention time and hydraulic detention time be separated, cause the treatment time longer, greatly reduce the efficient of anaerobic treatment.
Subsequently, in order to improve the processing efficiency of anaerobic reaction system, people have have successfully researched and developed s-generation anaerobic reactor, and for example anaerobic filter, up flow anaerobic sludge blanket reactor, anaerobic fluidized bed and anaerobism touch expanded bed reactor etc.They are separated sludge retention time and hydraulic detention time, make hydraulic detention time shorten to several days from tens days of past, even several hours.S-generation reactor drum has been widely used in producing in the reality, has obtained good wastewater treatment efficiency.
Along with development economic and society; Increasingly high to WWT and requirement on environmental protection; Relevant scientific and technical personnel third generation anaerobic reactor occurred through more deep research and development, mainly comprise expanded granular sludge bed, anaerobism inner circulation reactor and anaerobic baffled reactor etc.
Inner circulation reactor is a third generation high efficiency anaerobic reactor, and waste water flows in reactor drum from bottom to top, and pollutent is by bacterium absorption and degraded, and the water that purified flows out from reactor drum top.That inner circulation reactor has is stable, anti-shock loading is effective, volumetric loading is high, floor space is little, reduced investment, internal recycle need not advantages such as external force save energy.But also exist problems such as length start time, the technique means that lacks effective acclimation shaking culture efficient anaerobic mud, equipment input cost height.
Baffled reactor is called as the representative of third generation anaerobic reactor, and not only the biosolids throttling capacity is strong, and waterpower mixing condition is good.The a series of vertically arranged traverse baffles of use make the waste water that is processed in reactor drum, make current downflow along traverse baffle in the baffled reactor, carry out stirring action by means of the biogas that produces in the reactor drum in the treating processes.Current in this reactor drum are made horizontal flow with slower speed.Traverse baffle stop and the sludge settling effect under, biosolids by throttling effectively in reactor drum.It has simple in structure, movement-less part, need not the mechanically mixing device, cost is low, be difficult for stopping up, the Sludge Bed degrees of expansion is lower and can reduce the low advantage of total height, input cost and running expense of reactor drum.But in order to guarantee certain current and aerogenesis lift velocity, baffled reactor can not be too dark.Secondly, intake how uniform distribution also is a problem, first lattice of baffled reactor have to bear the localised load much larger than mean load, and this may cause the decline of processing efficiency.The acidifying that in the baffled reactor front compartment, mainly is hydrolyzed, mud viscosity increases, and channel appears in reactor drum, and waste water can not evenly pass through sludge blanket.At last, in the baffled reactor of many compartments, the compartment after leaning on may cause the dead band because of the solidliquid mixture flow velocity is low excessively.
Summary of the invention
The technical problem that the utility model requires to solve provides the anaerobic baffled inner circulation reactor that a kind of internal circulation system combines with the traverse baffle system.
The utility model solves the problems of the technologies described above with following technical scheme:
A kind of anaerobic baffled inner circulation reactor; Solid-liquid separation chamber, traverse baffle, air outlet, mud mouth, water-in, water outlet and triphase separator are arranged in reactor drum; It is characterized in that two compartments that separate with traverse baffle are arranged in the reactor drum, a cover internal circulation system is arranged in first compartment, second upper compartment has secondary triphase separator and water outlet; The secondary air outlet is arranged at the top, and mud mouth is arranged at the bottom.The volume of first compartment is greater than second compartment.
Internal circulation system in first compartment is made up of one-level triphase separator, upcast, downtake and solid-liquid separation chamber; The solid-liquid separation chamber is on the top of first compartment; There is upcast to be communicated with between solid-liquid separation chamber and the one-level triphase separator below it; The one-level air outlet is arranged at the top of solid-liquid separation chamber, and there is the downtake that leads to the first compartment bottom at the center of going to the bottom.
The first compartment chamber and traverse baffle edge are provided with 45 ° of inclination angle swash plates.
The beneficial effect of the utility model is:
1, uses the design of two compartments, acid is produced in hydrolysis in the anaerobic reaction simply separate mutually, in two different compartments, can make up the best metabolism conditions of two types of different microorganisms respectively, improve the efficient and the shock-resistant ability of reaction with aerogenesis two.
2, first compartment volume in two cell structure is greater than second compartment; So the sewage upflow velocity of first compartment is less than second compartment; Make SS and the mud in the reactor drum in the water into be trapped in first compartment, therefore be beneficial to the waste water of handling high SS concentration and the SS that reduces water outlet.
3, two compartments are collected gas respectively, help the control of operation stability.Because of the acidication reaction mainly takes place first compartment, mostly the gas of generation is H 2And C0 2, and second compartment mainly carries out air-generating reaction, and producing gas is main with methane, gathered can reduce H in each compartment separately 2Dividing potential drop and C0 2Dividing potential drop is beneficial to control, the breeding acidifying of pH value and reduces the influence of hydrogen dividing potential drop to material conversion process.
4, the design of the swash plate on the reactor drum first cell bottom right side has been optimized the hydraulics in first compartment to the water inlet channeling conduct, helps space utilization and solid-liquid mixed effect in the reactor drum.
5, gas is put forward the internal recycle system that the internal recycle system of mixing has realized a no additionaling power, saves and stirs power consumption.
Description of drawings
Fig. 1 is the structural representation of the anaerobic baffled inner circulation reactor of the utility model.
Among Fig. 1: the 12-mud mouth 13-first compartment 14-second compartment of 1-water-in 2-water inlet 10-water outlet 11-one-level air outlet, 7-traverse baffle 8-secondary triphase separator 9-secondary air outlet, traverse baffle 3-one-level triphase separator 4-one-level upcast 5-downtake 6-solid-liquid separation chamber
Embodiment
The weak point that existing inner circulation reactor input cost is high in order to overcome, the anterior easy acidifying of baffled reactor rear portion is prone to form the dead band; The gas that the application utilizes anaerobic reaction to produce biogas is proposed effect; Upper strata solidliquid mixture in first compartment is lifted into the solid-liquid separation chamber through upcast; Feed reactor bottom from downtake again then, the inner solidliquid mixture of realization response device need not the self-circulation stirring movement of additionaling power.First compartment uses the solid-liquid separation chamber to separate solid-liquid two phases simultaneously at collection gas, and second compartment directly uses triphase separator to collect gas.The bottom of first compartment and traverse baffle edge are provided with 45 ° of inclination angles, have improved the homogeneity of water inlet, and bout is stirred in the guiding water inlet, has reduced hydraulic loss.
In Fig. 1; Sewage is got in the reactor drum by water-in 1, through 2 guiding of water inlet traverse baffle, gets into first compartment 13 from the bottom; Sewage reacts with the anaerobic sludge thorough mixing in first compartment; Because gas is proposed effect, the biogas promotion part upper strata sewage of generation and mud mixture pass one-level triphase separator 3 from one-level upcast 4 and rise to solid- liquid separation chamber 6,6 gases and solid-liquid separation in the solid-liquid separation chamber; Solid and liquid are got back to first cell bottom through after the simple gravity separation by downtake 5, reach a kind of automatic internal recycle stirring system that does not have additionaling power; Gas is then discharged by one-level escape pipe 11.Solids such as the liquid through one-level triphase separator 3 and a small amount of mud get into second compartment 14 via traverse baffle 7, further the pollution substance in the degradation of sewage.Through 8 pairs of solid-liquid gas of secondary triphase separator three phase separation, the gas of generation is transported to outside the reactor drum through secondary escape pipe 9, and gas is separated with solid-liquid therein.Solid separates back settling region deposition above triphase separator with liquid through stopping of three phase separation gas, and solid is separated with liquid.Last treated water is discharged by water outlet 10, and mud is discharged by mud mouth 12.
The utility model can be transformed on the basis at anaerobic jar, anaerobic pond, and structure is comparatively simple, and it is little to drop into relative other third generation anaerobic reactors, and the solid-liquid mixed effect is good.

Claims (3)

1. anaerobic baffled inner circulation reactor; Solid-liquid separation chamber, traverse baffle, air outlet, mud mouth, water-in, water outlet and triphase separator are arranged in reactor drum; It is characterized in that two compartments that separate with traverse baffle are arranged in the reactor drum, a cover internal circulation system is arranged in first compartment, second upper compartment has secondary triphase separator and water outlet; The secondary air outlet is arranged at the top, and mud mouth is arranged at the bottom; The volume of first compartment is greater than second compartment.
2. anaerobic baffled inner circulation reactor as claimed in claim 1; It is characterized in that the internal circulation system in first compartment is made up of one-level triphase separator, upcast, downtake and solid-liquid separation chamber; The solid-liquid separation chamber is on the top of first compartment; Have upcast to be communicated with between solid-liquid separation chamber and the one-level triphase separator below it, the one-level air outlet is arranged at the top of solid-liquid separation chamber, and there is the downtake that leads to the first compartment bottom at the center of going to the bottom.
3. anaerobic baffled inner circulation reactor as claimed in claim 1 is characterized in that first cell bottom and traverse baffle edge are provided with 45 ° of inclination angle swash plates.
CN2012201883291U 2012-04-28 2012-04-28 Anaerobic baffling internal circulation reactor Expired - Fee Related CN202594860U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103525694A (en) * 2013-10-23 2014-01-22 杨解定 Unpowered stirring fermentation device of kitchen waste
CN104004651A (en) * 2014-06-11 2014-08-27 许显国 High-frequency vibrating biogas breathing machine with clinic
CN104031827A (en) * 2014-06-11 2014-09-10 许显国 Biogas breathing machine realizing high frequency oscillation
CN104030533A (en) * 2014-06-27 2014-09-10 广西壮族自治区环境保护科学研究院 Cassava starch production wastewater ABIC-biological contact oxidation process-coagulation treatment combined process
CN104109630A (en) * 2014-07-22 2014-10-22 许显国 Intelligent self-stirring marsh gas breathing machine
CN105347478A (en) * 2015-11-20 2016-02-24 中冶南方工程技术有限公司 High-efficiency and low-energy consumption anaerobic digester and application thereof
CN106984068A (en) * 2017-05-11 2017-07-28 江苏海澜正和环境科技有限公司 A kind of three phase separator
CN107629947A (en) * 2017-11-08 2018-01-26 中国农业大学 A kind of method and device of biomethanation and synchronized desulfuring

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103525694A (en) * 2013-10-23 2014-01-22 杨解定 Unpowered stirring fermentation device of kitchen waste
CN104004651A (en) * 2014-06-11 2014-08-27 许显国 High-frequency vibrating biogas breathing machine with clinic
CN104031827A (en) * 2014-06-11 2014-09-10 许显国 Biogas breathing machine realizing high frequency oscillation
CN104004651B (en) * 2014-06-11 2016-02-10 许显国 A kind of high frequency vibrating with clinic leads biogas respirator
CN104030533B (en) * 2014-06-27 2016-06-15 广西壮族自治区环境保护科学研究院 Wastewater from cassava starch production ABIC-biological contact oxidation process-coagulating treatment group technology
CN104030533A (en) * 2014-06-27 2014-09-10 广西壮族自治区环境保护科学研究院 Cassava starch production wastewater ABIC-biological contact oxidation process-coagulation treatment combined process
CN104109630A (en) * 2014-07-22 2014-10-22 许显国 Intelligent self-stirring marsh gas breathing machine
CN104109630B (en) * 2014-07-22 2016-05-04 许显国 A kind of intelligence is from stirring biogas lung ventilator
CN105347478A (en) * 2015-11-20 2016-02-24 中冶南方工程技术有限公司 High-efficiency and low-energy consumption anaerobic digester and application thereof
CN105347478B (en) * 2015-11-20 2017-12-22 中冶南方工程技术有限公司 A kind of anaerobic digester of high-efficiency low energy consumption and its application
CN106984068A (en) * 2017-05-11 2017-07-28 江苏海澜正和环境科技有限公司 A kind of three phase separator
CN107629947A (en) * 2017-11-08 2018-01-26 中国农业大学 A kind of method and device of biomethanation and synchronized desulfuring
CN107629947B (en) * 2017-11-08 2023-09-15 中国农业大学 Method and device for biological methane production and synchronous desulfurization

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Granted publication date: 20121212

Termination date: 20140428