CN101633531B - Sewage treatment reactor for alternately operating intermittent flow and continuous flow - Google Patents

Sewage treatment reactor for alternately operating intermittent flow and continuous flow Download PDF

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Publication number
CN101633531B
CN101633531B CN2009101046181A CN200910104618A CN101633531B CN 101633531 B CN101633531 B CN 101633531B CN 2009101046181 A CN2009101046181 A CN 2009101046181A CN 200910104618 A CN200910104618 A CN 200910104618A CN 101633531 B CN101633531 B CN 101633531B
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China
Prior art keywords
flow
reaction tank
pipe
sewage
biological reaction
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CN2009101046181A
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Chinese (zh)
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CN101633531A (en
Inventor
何强
周健
方俊华
王夏敏
卿晓霞
陈垚
柴宏祥
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重庆大学
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • Y02W10/15Aerobic processes

Abstract

The invention discloses a sewage treatment reactor for alternately operating an intermittent flow and a continuous flow. The reactor comprises a tank body, an inlet/outlet water pipe, a connecting pipe, an eration system, and the like. Separation walls are vertically arranged in the biological treatment tank body and divide the biological treatment tank body into at least four grids which are respectively used as a biological reaction tank; each of the other tank is provided with an independent inlet/outlet water system and a connecting pipe which is arranged between two adjacent tanks; each tank is provided with suspension stuffing; and the bottom of each tank is provided with a microporous aeration device and a sludge discharge pipe. The invention has the advantages of flexible operation modes, high treatment efficiency, strong shockproof loading capacity, lower operation energy consumption, small remaining sludge amount, short process, small floor area, little investment, convenient management, and the like.

Description

A kind of sewage-treating reactor of alternately operating intermittent flow and continuous flow

Technical field

The invention belongs to WWT, environmental protection technical field, be specifically related to a kind of sewage-treating reactor of alternately operating intermittent flow and continuous flow.

Background technology

Conventional municipal sewage treatment facility investment is big, working cost is high, operational management is complicated, is difficult in samll cities and towns and promotes.In recent years; The reactor technology development that is used for samll cities and towns' WWT is rapid, and for example Chinese patent priority disclosed CN2811278Y " sextuple three-phase biologic treatment process device ", CN1552644 " a kind of samll cities and towns sewage treatment process " and CN2780751 " rotating wetland filtering pond+lateral subsurface flow wetland bed waste water treatment system " or the like are the continuous flow biological reaction device; Can realize that with this reactor drum even flow is different with two kinds of operation scheme of sequence batch (; In order to reach high processing usefulness, their technical process is longer, and structure is complicated; Energy consumption is big and floor space is big, is unfavorable for the construction and the operational management of samll cities and towns' sewage-treating reactor.This reactor drum adopts even flow and two kinds of operation scheme of sequence batch (alternately; And filling floating stuffing; Has the treatment efficiency height; Floor space is little, can change characteristics such as changing operation scheme flexibly according to water quality and quantity, does not see the report relevant for the sewage-treating reactor of alternately operating intermittent flow and continuous flow both at home and abroad as yet.

Summary of the invention

Deficiency to the sewage treatment process existence of existing samll cities and towns; The purpose of this invention is to provide the sewage-treating reactor that a kind of intermittent flow/even flow can replace conversion operation; Even flow staged reactor and sequence batch (intermittent flow reactor drum are organically combined, the adaptive faculty that enhancing reactor changes water quantity and quality with treatment efficiency, simplify treatment process to reach, reduce investment, reduce processing cost and reduce the purpose of occupation of land.

The technical scheme that the object of the invention realizes is following:

A kind of sewage-treating reactor of alternately operating intermittent flow and continuous flow comprises pond body, water inlet pipe, pipe connecting, rising pipe, shore pipe and aerator, in the body of pond partition wall is set, and the pond body is divided at least four lattice, respectively as a biological reaction tank.Be provided with floating stuffing in each reaction tank.Each lattice of biological reaction tank all have independently inlet tube and outlet tube and aerating system; And adjacent two ponds are provided with pipe connecting; Be equipped with SV on inlet tube and outlet tube and the pipe connecting; Open and close through the control SV, convert four reaction grid devices of parallelly connected intermittent flow sequence batch (operation the staged reactor of even flow four lattice series operations into, can make biological tank realize the conversion of even flow and two kinds of operation scheme of sequence batch (; Each bottom, pond is equipped with shore pipe, can be regularly from each reaction tank depositing separation area spoil disposal.

Compared with prior art, the present invention has following characteristics:

1. intermittent flow/even flow replaces that the sewage-treating reactor adaptive faculty of conversion operation is strong, treatment efficiency is high

This reactor drum can change according to the fluctuation of samll cities and towns' sewage quality water yield owing to can realize even flow and the alternately conversion of two kinds of operation scheme of intermittent flow, adjusts operation scheme flexibly, makes the treatment efficiency of reactor drum reach maximum.As when samll cities and towns' sewage quality and the water yield are lower than value, can adopt sequence batch (intermittent flow parallel running mode, and operation group number also can water quality and water yield situation adjust flexibly; When samll cities and towns' sewage quality and the water yield surpass design scale, can be exchanged into even flow plural serial stage operation scheme, to adapt to overload operation.Equate that through calculating under the condition, the comparable intermittent flow sequence batch (of the processing power of even flow operation scheme parallel running mode processing power increases by 2~5 times at load.In the lower samll cities and towns of economic level, adopt this reactor drum, through the conversion operation mode, can satisfy the requirement of WWT at a specified future date.Can realize that samll cities and towns' Sewage Plant is disposable and build up, and not need enlarging at a specified future date, reduce the investment and the occupation of land of samll cities and towns' WWTs greatly.In addition; This reactor drum adopts the biomembrane process mode, and reactor drum has higher microorganism concn, and capacity of resisting impact load is strong; Through floating stuffing is set in reactor drum; And the suitable dissolved oxygen levels of control, can be easy to realize synchronous nitration denitrification denitrogenation efficiently in the aerobic and anoxic microenvironment of the inner formation of microbial film.Simultaneously, reactor drum can be realized the aerobic-anaerobic alternate run through intermittent aeration in reaction tank, for the microbial film dephosphorization has made up good environment.

2. operation energy consumption is low

Usually the energy consumption cost in the sewage treatment process accounts for the large percentage of its running cost, and cutting down the consumption of energy is the key point that reduces running cost.The energy consumption of general sewage treatment process is mainly used in lifting, aeration and the nitrification liquid of sewage, the backflow of mud.This treatment reactor can realize synchronous nitration and denitrification efficiently through the spherical medium-soft property combined stuffing that suspends is set in reactor drum, saved the mixed-liquor return system.Simultaneously, in reaction tank, realize the aerobic-anaerobic alternate run,, saved the mud return-flow system of general dephosphorization system for the biomembrance process efficient dephosphorization has made up good environment through the control aeration mode.In addition, adopt biomembrance process to make up this treatment system, saved general reactor drum required whipping device in anaerobic phosphorus release and anoxic denitrification process, therefore, this treatment reactor has efficient characteristic.

3. surplus sludge volume is few

Medium-soft property combined stuffing is set in treating pond forms the stable complex ecosystem of forming by a plurality of trophic levels, reduced sludge yield.

4. technical process is lacked, takes up an area of less, invests low

Technique units such as this treatment reactor collecting water from runoff adjusting, organic matter degradation, biological dephosphorize denitrification, mud decrement, deposition are one, have characteristics such as technical process is short, operation scheme is flexible, take up an area of less, investment is low.

Description of drawings

Fig. 1: the sewage-treating reactor plat of alternately operating intermittent flow and continuous flow;

Fig. 2: the sewage-treating reactor sectional view of alternately operating intermittent flow and continuous flow;

Embodiment

Referring to Fig. 1, Fig. 2, this sewage-treating reactor reactor drum comprises pond body 1, water inlet pipe 2, pipe connecting 3, rising pipe 4, shore pipe 5 and aerator 6.Four sides partition wall 7 vertically is set in the said pond body 1, pond body 1 is divided into four lattice,, establish floating stuffing 9 (specifically adopting medium-soft property combined stuffing) in each pond respectively as four biological reaction tanks 8; The top that said water inlet pipe 2 is located at pond body 1 is communicated with the water-in of each lattice biological reaction tank 8 respectively, realizes successively being communicated with through pipe connecting 3 between each lattice biological reaction tank, and four lattice biological tanks are provided with independently rising pipe 4 respectively.Be equipped with SV 12 on the inlet tube and outlet tube in each pond and the pipe connecting, can open and close the conversion that realizes even flow and intermittent flow operation scheme through SV.Microporous aeration device 6 is arranged in each biological reaction tank bottom, all joins with blast main 11, carries out intermittent aeration.And concave configuration has been done in each biological reaction tank bottom, forms bucket 10, and is connected to shore pipe 5, regularly from each reaction tank spoil disposal.

The treating processes of this reactor drum is following:

When reactor drum was pressed the operation of intermittent flow sequence batch (, through adjusting the keying of each battery valve, sewage got into the biological treatment tank of four lattice parallel runnings at first successively, and every lattice biological treatment tank is pressed sequence batch ((water inlet-reaction-deposition-water outlet) mode periodic duty.Sequence batch (intermittent water inflow process has realized the adjusting to the water yield, and pollution substances such as the organism in the sewage, nitrogen phosphorus are able to remove through biomembranous absorption, biological degradation.The present invention can be easy to realize synchronous nitration denitrification denitrogenation efficiently in the inner aerobic-anoxic microenvironment of enriching that forms of microbial film through floating stuffing is set in reactor drum.Simultaneously, reactor drum can adopt aeration/stop the mode of exposing to the sun to move, and in reaction tank, carries out the aerobic-anaerobic alternate run, can realize the high-performance bio dephosphorization.

When reactor drum moves by even flow; Through adjusting the keying of each battery valve; Sewage gets into the biological treatment tank of four lattice series operations continuously; Through spherical suspending medium-soft property combined stuffing is set, form abundant aerobic-anoxic microenvironment in microbial film inside on the one hand in reactor drum, be easy to realize synchronous nitration denitrification denitrogenation efficiently.Simultaneously, reactor drum can adopt aeration/stop the mode of exposing to the sun to move, and can in reaction tank, realize the aerobic-anaerobic alternate run, for the microbial film dephosphorization has made up good environment.On the other hand, biological treatment tank moves with the staged reactor mode, has different superior microorganisms not at the same level section of reactor drum, helps the removal to pollution substances such as the organism in the sewage, nitrogen phosphorus.In addition, each pond is equipped with sludge drainage system, regularly from each reaction tank spoil disposal.

Main technical details:

The COD volumetric loading: reaction tank COD volumetric loading is 1.0kgCOD/m 3.d

Structural parameter:

The sewage-treating reactor specification of alternately operating intermittent flow and continuous flow (L * B * H) (L, B, H represent length respectively)

Reaction zone available depth H 1=H-0.5 (m)

Reaction tank useful volume V=Q/m * n * M (m 3) (Q is writing a Chinese character in simplified form of Quantity, i.e. flow, unit: m 3/ d, m are the draining ratio, and n is single lattice biological reaction tank number reaction time every day, and M is biological reaction tank lattice numbers)

Claims (4)

1. the sewage-treating reactor of an alternately operating intermittent flow and continuous flow comprises pond body (1), water inlet pipe (2), pipe connecting (3), rising pipe (4), shore pipe (5) and microporous aeration device (6); It is characterized in that: partition wall (7) vertically is set in the said pond body (1), pond body (1) is divided at least four lattice, respectively as a biological reaction tank (8), floating stuffing (9) is established in parallel running in each pond; Said water inlet pipe (2) connects into each biological reaction tank (8) respectively, is communicated with successively through pipe connecting (3) between the adjacent two lattice biological reaction tanks, and every lattice biological reaction tank (8) is equipped with rising pipe (4); Be equipped with SV (12) on said inlet tube and outlet tube and the pipe connecting; Keying through controlling each SV converts each reaction grid device of parallelly connected intermittent flow sequence batch (operation the staged reactor of each lattice series operation of even flow into, realizes the conversion of even flow and intermittent flow operation scheme; Microporous aeration device (6) is arranged in each biological reaction tank bottom, and microporous aeration device (6) joins with blast main (11), is connected to shore pipe (5) in each biological reaction tank bottom, regularly from each reaction tank spoil disposal.
2. the sewage-treating reactor of alternately operating intermittent flow and continuous flow according to claim 1 is characterized in that: done concave configuration in each biological reaction tank bottom, formed bucket (10), and connected shore pipe (5).
3. the sewage-treating reactor of alternately operating intermittent flow and continuous flow according to claim 1 and 2 is characterized in that: said floating stuffing (9) employing medium-soft property combined stuffing.
4. the sewage-treating reactor of alternately operating intermittent flow and continuous flow according to claim 1 and 2 is characterized in that: said pond body (1) is divided into four lattice, is matrix pattern.
CN2009101046181A 2009-08-13 2009-08-13 Sewage treatment reactor for alternately operating intermittent flow and continuous flow CN101633531B (en)

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CN101633531B true CN101633531B (en) 2012-03-28

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145938B (en) * 2010-02-05 2013-01-16 江苏新龙鼎环保成套工程有限公司 Anaerobic clapboard reactor for changing load of sludge bed according to water flow direction
CN102001741A (en) * 2010-09-21 2011-04-06 重庆文理学院 Biochemical water treatment experimental device and process
CN102897914A (en) * 2012-09-28 2013-01-30 长业环保集团有限公司 Variable volume hydrolytic acidification and anoxic/oxic (A/O) integrated sewage treatment device
CN102923920A (en) * 2012-11-28 2013-02-13 四川省环保科技工程有限责任公司 Traditional Chinese medicine wastewater treatment process
CN103172220B (en) * 2013-03-18 2014-04-02 密西西比国际水务(中国)有限公司 Combined sewage deep-treatment device and treatment method
CN103864229B (en) * 2014-04-01 2015-09-16 北京桑德环境工程有限公司 Villages and small towns Sewage treatment systems and method
CN105645589A (en) * 2014-11-14 2016-06-08 重庆大学 Deep-bed constructed wetland reactor with switchable operating modes
CN105692900B (en) * 2016-02-23 2018-10-26 浙江清华长三角研究院 A kind of short-cut nitrification-denitrification intermittent aerating batch-type biological reaction apparatus and the method for handling high-ammonia-nitrogen sewage

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EP0857696A2 (en) * 1997-02-05 1998-08-12 Haekang Engineering & Construction Co., Ltd. A system for treating sewage-water and a method for treating sewage-water using the same
US6217759B1 (en) * 1997-10-03 2001-04-17 Vladimir Petrovich Kolesnikov Installation for biochemical sewage treatment
CN1994923A (en) * 2005-12-28 2007-07-11 中国科学院生态环境研究中心 Circulation type double fluid state sewage treatment reactor

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Application publication date: 20100127

Assignee: Chongqing Sanxia environmental protection (Group) Co., Ltd.

Assignor: Chongqing University

Contract record no.: 2013500000010

Denomination of invention: Sewage treatment reactor for alternately operating intermittent flow and continuous flow

Granted publication date: 20120328

License type: Exclusive License

Record date: 20130407