CN101863550B - Primary rainwater microorganism processing method and device combined with rainwater storage tank - Google Patents
Primary rainwater microorganism processing method and device combined with rainwater storage tank Download PDFInfo
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- CN101863550B CN101863550B CN2010102156957A CN201010215695A CN101863550B CN 101863550 B CN101863550 B CN 101863550B CN 2010102156957 A CN2010102156957 A CN 2010102156957A CN 201010215695 A CN201010215695 A CN 201010215695A CN 101863550 B CN101863550 B CN 101863550B
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to a primary rainwater microorganism processing method and a primary rainwater microorganism processing device combined with a rainwater storage tank, and belongs to the technical field of the municipal drainage or environmental engineering. A special rainwater microorganism processing system device is used for performing primary processing on the rainwater. A valve on a liquid outlet pipe of a bacteria throwing box and a valve on a water inlet pipe of the storage tank are simultaneously opened so as to add a mixed bacteria suspension consisting of 11 specified strains into the rainwater in the storage tank through the linkage measure of the two valves; and the microorganism processing of the primary rainwater is performed under the condition of aeration, and the pollutants comprising substances such as ammonia, nitrogen, phosphorus and the like and fine particles in the primary rainwater are effectively removed. The method can make the removal ratio of the CODcr in the primary rainwater reach over 70 percent and the removal ratio of NH3-N reach over 60 percent.
Description
Technical field.
The present invention relates to a kind of and the early-stage rainwater microbial treatment method storage pond coupling, belong to municipal drainage and environmental treatment system engineering technology field
Early-stage rainwater is in rainfall; Owing to, contain a large amount of pollutents in the initial stage runoff that rainfall is formed, after the initial stage rainwater directly discharges water body to washing away of atmosphere, buildings, road surface etc.; The receiving water body water quality that can work the mischief is prone to cause receiving water body black smelly phenomenon to occur.Therefore, early-stage rainwater being taked control techniques is the requisite measure of controlling city surface source pollution, preventing the receiving water body water quality deterioration.
Rainwater pollution control techniques aspect mainly adopts the storage pond technology at present abroad in the early stage, and the early-stage rainwater of collecting municipal sewage system is stored in earlier in the storage pond, to cushion the impact of early-stage rainwater pollutent to receiving water body.The rainwater that storage pond stores directly discharges in the water body or delivers to through pipeline and discharge after municipal wastewater treatment plant is handled again after storing after a while.The rainwater storage pond is that nearly 20 years developed countries are used for one of effective measure of controlling pollution of area source and rain-water drainage contradiction; Except alleviating the impact pollution load of early-stage rainwater to receiving water body, the obstruction that can also cut down rainy day peak flow, elimination and minimizing drainage pipeline.Pollution problem is more and more paid attention to early-stage rainwater at home, also has many Rainwater Storage Tank to build or build.But, the storage pond of building at present both at home and abroad is that the angle from the early-stage rainwater of regulating and storing designs and builds basically.
Throw the bacterium method and also be called as biological enhancement techniques or biological reinforcing technology.This is that a kind of handle has the single culture of specific decontamination function or the associate strain of being made up of multiple bacterium; Add in pollutant disposal system or the contaminated natural water by certain requirement; Have the flora of the efficient purification function of pollutent or improve the density of certain type of flora with structure, thereby can improve the biological treatment efficient of pollutant disposal system or promote the method for the self-purification capacity of water ecosystem.The distinguishing feature of throwing the bacterium method is to use conveniently, can add the place that needs use as required at any time to, and not complicated adding equipment, thereby obtains application more and more widely.But, throwing the bacterium method is to utilize mikrobe that pollutent is purified, and the bacterial classification of input is from adapting to water quality, beginning a large amount of breedings then and need the regular hour.
Storage pond is that breeding and the bacterial strain of bacterial strain provides temporal guarantee to the degraded of pollutent, and storage pond is the space of a sealing simultaneously, can add the loss of bacterial classification for avoiding and the preservation of the bacterial classification that added provides advantageous conditions.
Summary of the invention
The objective of the invention is according to a kind of and early-stage rainwater microbial treatment method and device thereof the storage pond coupling.
A kind of early-stage rainwater microbial treatment method with the coupling of rainwater storage pond of the present invention is characterized in that it being to have following process and step:
The preparation of a, mixed bacterium suspension
At first with 11 kinds of bacterial classifications respectively under substratum and culture condition separately, enlarged culturing in the constant-temperature shaking culture case is carried out spinning with the high speed refrigerated centrifuge separator then; Saline water with an amount of 0.9% is mixed with bacteria suspension, and its concentration is adjusted to OD
400(optical density(OD)) value is 0.7; The bacteria suspension of 11 kinds of same concentrations is mixed by 1: 1 volume ratio, be mixed with the mixed bacterium suspension; Be put in the refrigerator below 4 ℃ and preserve, for use; The bacterial classification kind is in described 11: (1) proteus vulgaris (Proteus vulgaris); (2) pseudomonas mendocina (Pseudomonas mendocina); (3) greenery pseudomonas (Pseudomonas chlororaphis); (4) micrococcus luteus (Micrococcus luteus), (5) Pseudomonas fluorescens (Pseudomonas Fluorescens), (6) subtilis (Bacillus subtilis) (7) candida tropicalis (Candida tropicalis); (8) Candida boidinii (Candida boidinii); (9) coral Nocardia bacteria (Nocardia corallina), (10) bacillus pumilus (Bacillus pumilus), (11) Rhodopseudomonas palustris (Rhodopseudomonas palustris).
B, the above-mentioned mixed bacterium suspension for preparing is moved in throwing the bacterium case, valve and the storage pond rainwater water inlet pipe valve thrown on the bacterium case drain pipe link; Open in the time of through valve, said mixed bacterium suspension is added in the rainwater in the storage pond; The mixed bacterium suspension go out flow quantity be ten thousand of rainwater flooding velocity/;
C, meanwhile opens the aerating apparatus of being located at the storage pond bottom, under aeration condition, rainwater is carried out aerobic microbiological handle; Aeration mode is an intermittent aeration;
D, treat certain hour aeration and microbiological treatment after, the particle in mikrobe flco and the early-stage rainwater is through at the bottom of leaving standstill and be deposited to the storage pond pond, treated good top clear water then drains in the natural water through the storage pond rising pipe.
2, the used dedicated system device of early-stage rainwater the microbial treatment method a kind of and coupling of rainwater storage pond, this system and device includes: rainwater storage pond, bacteria suspension are thrown bacterium case, rainwater water inlet pipe, are thrown tube, rising pipe, aeration tube, throwing tube valve and rainwater inlet valve; It is characterized in that: rainwater storage pond one side top is provided with a bacteria suspension and throws the bacterium case, and bacteria suspension is thrown the bacterium lower box part and is provided with the throwing tube, and a throwing tube valve is housed above that; Bacteria suspension is thrown the bacterium case and is connected with the top of described rainwater storage pond through described throwing tube; One side also is provided with the rainwater water inlet pipe on rainwater storage pond top, and a rainwater inlet valve is housed above that; The throwing tube intersects vertically with the rainwater water inlet pipe through pipe fitting and is connected; Be provided with in the bottom of rainwater storage pond one can rouse air aeration tube and regulated valve; Opposite side bottom at the rainwater storage pond is provided with the rising pipe that the early-stage rainwater of handling is disposed to natural water; Being arranged on valve and the valve on the rainwater water inlet pipe thrown on the tube is to realize interlock through ad hoc linkage system, and promptly both realize opening synchronously or close synchronously; Described bacteria suspension is thrown bacterium case internal memory and is placed with 11 kinds of bacterial strain suspensions by 1: 1 formulated mixed bacterium suspension of volume ratio.
Characteristics of the present invention are described below: characteristics of the present invention are with throwing bacterium method and the coupling of rainwater storage pond.On the one hand, the water storage function that the rainwater storage pond has can satisfy microorganism growth and breeding to the requirement of time, and the space of a sealing, the loss of the bacterial classification avoiding adding also can be provided, thereby favourable envrionment conditions is provided for the application of throwing the bacterium method; On the other hand, throw the bacterium method and have advantages such as easy to use, can the structure of existing rainwater storage pond not carried out under the prerequisite of bigger transformation, make the function of rainwater storage pond expand water quality purification function to from simple water storage function.
Therefore early-stage rainwater carries some mikrobes, have certain self-purification capacity, but this self-purification capacity is very low, and the present invention adds aerating apparatus, can increase to some extent the degradation effect of pollutent.Through add the method for mixed bacterium suspension to storage pond, increase the microbe population in the early-stage rainwater, adjustment microbiology class group structure can reach good early-stage rainwater decontamination effect improving.
The present invention has following advantage:
(1) technology is simple, and is easy to operate;
(2) need not newly-built treatment facility, processing costs is low;
(3) treatment time weak point is to COD, NH in the early-stage rainwater
3The removal effect of-N, TP, TN is good;
(4) environmentally safe reliable, do not produce secondary pollution.
Description of drawings
Fig. 1 for the using appts among the present invention promptly with the rough schematic of the rainwater microbe treatment system device of storage pond coupling.
Embodiment:
Specific embodiment of the present invention is described in this at present.
Embodiment: utilized above-mentioned dedicated system device to carry out the initial stage microbiological treatment of rainwater in the present embodiment.Technological processes and step are following:
1, at first with proteus vulgaris (Proteus vulgaris), pseudomonas mendocina (Pseudomonas mendocina), greenery pseudomonas (Pseudomonas chlororaphis), micrococcus luteus (Micrococcus luteus), Pseudomonas fluorescens (Pseudomonas Fluorescens), subtilis (Bacillus subtilis), bacillus pumilus (Bacillus pumilus), candida tropicalis (Candida tropicalis), Candida boidinii (Candida boidinii), coral Nocardia bacteria (Nocardia corallina), Rhodopseudomonas palustris (Rhodopseudomonas palustris) under substratum and culture condition separately; Fluid enlargement culture 24h in the constant-temperature shaking culture case; Spinning then; Remove supernatant; Saline water with an amount of 0.9% is mixed with bacteria suspension, and its concentration is adjusted to OD
400Value is 0.7.The bacteria suspension of 11 kinds of same concentrations is mixed with the mixed bacterium suspension by 1: 1 volume ratio, and the refrigerator of putting into below 4 ℃ is preserved for use.
2, the above-mentioned mixed bacterium suspension for preparing is put in the throwing bacterium case, valve and the storage pond rainwater water inlet pipe valve thrown on the bacterium case drain pipe link, and open in the time of through valve, and said mixed bacterium suspension is added in the rainwater in the storage pond; Mixed bacterium suspension flow be ten thousand of rainwater flooding velocity/.
3, meanwhile, open the aerating apparatus of being located at the storage pond bottom, under aeration condition, rainwater is carried out aerobic microbiological handle; Aeration mode is an intermittent aeration.The intermittent aeration cycle is whenever at a distance from 2 hours aerations 4 hours, recirculation.
4, through aeration and microbiological treatment after 24 hours, the particle in mikrobe flco and the early-stage rainwater is through at the bottom of leaving standstill and be deposited to the storage pond pond, and treated good top clear water then enters in the natural water through the storage pond rising pipe.
After above-mentioned processing, can make COD in the early-stage rainwater
CrClearance reach more than 70% NH
3The clearance of-N reaches more than 60%.
Rainwater microbe treatment system device used in the present embodiment is as shown in Figure 1.Fig. 1 is the rough schematic of native system device.
This system and device includes: rainwater storage pond 1, bacteria suspension are thrown bacterium case 2, rainwater water inlet pipe 3, throwing tube 4, rising pipe 5, aeration tube 6, are thrown tube valve 7 and rainwater inlet valve 8; Rainwater storage pond 1 one sides top is provided with a bacteria suspension and throws bacterium case 2 above rainwater storage pond 1 one sides, and bacteria suspension is thrown bacterium case 2 bottoms and is provided with throwing tube 4, and a throwing tube valve 7 is housed above that; Bacteria suspension is thrown bacterium case 2 and is connected with the top of described rainwater storage pond 1 through described throwing tube 4; One side also is provided with rainwater water inlet pipe 3 on rainwater storage pond 1 top, and a rainwater inlet valve 5 is housed above that; Throwing tube 4 intersects vertically with rainwater water inlet pipe 3 through pipe fitting and is connected; Be provided with in the bottom of rainwater storage pond 1 one can rouse air aeration tube 6 and regulated valve; Be provided with the rising pipe 5 that the early-stage rainwater of handling is disposed to natural water in the opposite side bottom of rainwater storage pond 1; Being arranged on valve 7 and the valve 8 on the rainwater water inlet pipe 3 thrown on the tube 4 is to realize interlock through ad hoc linkage system, and promptly both realize opening synchronously or close synchronously; Described bacteria suspension is thrown bacterium case 2 internal memories and is placed with 11 kinds of bacterial strain suspensions by 1: 1 formulated mixed bacterium suspension of volume ratio.
In the embodiment of the invention in used 11 bacterial classification available from Shanghai industrial microorganism institute, Chinese industrial microbial strains preservation center and China Committee for Culture Collection of Microorganisms common micro-organisms center.
Claims (2)
1. early-stage rainwater microbial treatment method with the coupling of rainwater storage pond is characterized in that having following process and step:
The preparation of a, mixed bacterium suspension: at first with 11 kinds of bacterial classifications respectively under substratum and culture condition separately, enlarged culturing in the constant-temperature shaking culture case is carried out spinning with the high speed refrigerated centrifuge separator then; Saline water with an amount of 0.9% is mixed with bacteria suspension, and its concentration is adjusted to OD
400(optical density(OD)) value is 0.7; The bacteria suspension of 11 kinds of same concentrations is mixed by 1: 1 volume ratio, be mixed with the mixed bacterium suspension; Be put in the refrigerator below 4 ℃ and preserve, for use; Described 11 kinds of bacterial classification kinds are: (1) proteus vulgaris, (2) pseudomonas mendocina, (3) greenery pseudomonas; (4) micrococcus luteus, (5) Pseudomonas fluorescens, (6) subtilis; (7) candida tropicalis, (8) Candida boidinii, (9) coral Nocardia bacteria; (10) bacillus pumilus, (11) Rhodopseudomonas palustris;
B, the above-mentioned mixed bacterium suspension for preparing is moved in throwing the bacterium case, valve and the storage pond rainwater water inlet pipe valve thrown on the bacterium case drain pipe link; Open in the time of through valve, said mixed bacterium suspension is added in the rainwater in the storage pond; The mixed bacterium suspension go out flow quantity be ten thousand of rainwater flooding velocity/;
C, meanwhile opens the aerating apparatus of being located at the storage pond bottom, under aeration condition, rainwater is carried out aerobic microbiological handle; Aeration mode is an intermittent aeration;
D, treat certain hour aeration and microbiological treatment after, the particle in mikrobe flco and the early-stage rainwater is through at the bottom of leaving standstill and be deposited to the storage pond pond, treated good top clear water then drains in the natural water through the storage pond rising pipe.
2. device with the early-stage rainwater microbial treatment method of rainwater storage pond coupling; Be used for according to claim 1 and the early-stage rainwater microbial treatment method coupling of rainwater storage pond, this system and device comprises rainwater storage pond (1), bacteria suspension throwing bacterium case (2), rainwater water inlet pipe (3), throws tube (4), rising pipe (5), aeration tube (6), throws tube valve (7) and rainwater inlet valve (8); It is characterized in that: rainwater storage pond (1) one side top is provided with a bacteria suspension and throws bacterium case (2), and bacteria suspension is thrown bacterium case (2) bottom and is provided with throwing tube (4), and a throwing tube valve (7) is housed above that; Bacteria suspension is thrown bacterium case (2) and is connected through the top of described throwing tube (4) with described rainwater storage pond (1); One side also is provided with rainwater water inlet pipe (3) on rainwater storage pond (1) top, and a rainwater inlet valve (5) is housed above that; Throwing tube (4) intersects vertically with rainwater water inlet pipe (3) through pipe fitting and is connected; Be provided with in the bottom of rainwater storage pond (1) one can rouse air aeration tube (6) and regulated valve; Be provided with the rising pipe (5) that the early-stage rainwater of handling is disposed to natural water in the opposite side bottom of rainwater storage pond (1); Being arranged on valve (7) and the valve (8) on the rainwater water inlet pipe (3) thrown on the tube (4) is to realize interlock through ad hoc linkage system, and promptly both realize opening synchronously or close synchronously; Described bacteria suspension is thrown bacterium case (2) internal memory and is placed with 11 kinds of bacterial strain suspensions by 1: 1 formulated mixed bacterium suspension of volume ratio.
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| CN108439616A (en) * | 2018-06-05 | 2018-08-24 | 上海同瑞环保工程有限公司 | A kind of microbial treatment method improving municipal rain pipe, confluence of rainwater and sewage pipe, rain dirt mixed flow tube or municipal wastewater pipe discharge water quality |
| CN109928583A (en) * | 2019-04-22 | 2019-06-25 | 上海市城市建设设计研究总院（集团）有限公司 | Storage pond and its operation method with biological treatment function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848829Y (en) * | 2005-12-19 | 2006-12-20 | 许水源 | Cioculation utilization device of water resource |
| CN101531423A (en) * | 2008-03-16 | 2009-09-16 | 李永生 | New rain water treating technique-road biological treatment method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0568987A (en) * | 1991-09-11 | 1993-03-23 | Matsushita Electric Ind Co Ltd | Rainwater purifying apparatus |
| JPH06238288A (en) * | 1993-02-18 | 1994-08-30 | Hitachi Chem Co Ltd | Reclaimed water device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848829Y (en) * | 2005-12-19 | 2006-12-20 | 许水源 | Cioculation utilization device of water resource |
| CN101531423A (en) * | 2008-03-16 | 2009-09-16 | 李永生 | New rain water treating technique-road biological treatment method |
Non-Patent Citations (2)
| Title |
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| JP特开平5-68987A 1993.03.23 |
| JP特开平6－238288A 1994.08.30 |
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Owner name: TONGJI HUAKANG ENVIRONMENT SCIENCE AND TECHNOLOGY Effective date: 20140709 |
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Effective date of registration: 20140709 Address after: 200444 Baoshan District Road, Shanghai, No. 99 Patentee after: Shanghai University Patentee after: Tongji Huakang Environment Science and Technology Co., Ltd., Shanghai Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University |
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