CN108328743A - City river water body self-cleaning consolidation system - Google Patents

City river water body self-cleaning consolidation system Download PDF

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Publication number
CN108328743A
CN108328743A CN201810386301.0A CN201810386301A CN108328743A CN 108328743 A CN108328743 A CN 108328743A CN 201810386301 A CN201810386301 A CN 201810386301A CN 108328743 A CN108328743 A CN 108328743A
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CN
China
Prior art keywords
cleaning
water body
river
body self
city river
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810386301.0A
Other languages
Chinese (zh)
Inventor
李桥
郎建
孙大东
操昌碧
熊峰
白霞
孙源
蔡元刚
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by PowerChina Chengdu Engineering Co Ltd filed Critical PowerChina Chengdu Engineering Co Ltd
Priority to CN201810386301.0A priority Critical patent/CN108328743A/en
Publication of CN108328743A publication Critical patent/CN108328743A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • C02F3/325Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections

Abstract

The invention discloses a kind of city river water body self-cleaning consolidation system and self-cleaning intensifying method, especially a kind of city river water body self-cleaning consolidation systems and self-cleaning intensifying method for urban river field of environment protection.City river water body self-cleaning consolidation system of the present invention, including the checkdam in river downstream and the return water section positioned at checkdam upstream are set, it is disposed with Submerged plant communities in the return water section.The city river water body self-cleaning intensifying method of the application constitutes river channel type oxidation pond using return water section, and plants Submerged plant communities in river channel type oxidation pond.Operating cost of the present invention is low, without persistently addition microbial bacterial agent can long sustaining city river cleaning, the self-purification capacity of city river can be significantly improved.

Description

City river water body self-cleaning consolidation system
Technical field
The invention belongs to environmental protection technical fields, and in particular to city river water environment protection is strengthened with the self-purification of water is System and city river water body self-cleaning intensifying method.
Background technology
In building the construction of green city and ecocity, the landscape water bodies such as urban river, artificial tunnel become city City builds indispensable component part.Important component of the city river as urbanwaterscape, ring is occupied for urban human Border and residents ' health level are all significant.
However, urban river is entered due to a large amount of of ambient contamination object so that river water quality is very poor, and water body self-purification ability is not Foot.The measures such as channel cleanout, littoral section of dirt are often taken for the improvement of city river water body, though there can be certain change with the short time Kind effect, but since water body self-purification ability itself is poor, with surrounding, some uncontrollable polluters enter, urban river Matter difficult prospect maintains vigour, and reinforces water body self-purification ability and is only city river maintenance water body key clean for a long time.
Currently, some reinforce river water body self-cleanings methods focus mostly in addition microbial bacterial agent or to river water body it is recent Aeration aerating.Addition microbial bacterial agent is also to have certain effect, but once stop addition in a short time, and river water body is very It is fast to restore to the original state;River aeration is oxygenated, system design arrangement is had no at present, focuses on landscape effect more, for river nitrogen phosphorus The removal effect of equal nutriments is little.In addition, these control measures, operating cost is high or even microbial bacterial agent addition is also deposited The biological risk the problems such as.
Invention content
Technical problem to be solved by the invention is to provide a kind of operating cost is low, just without persistently addition microbial bacterial agent It can be cleaned with long sustaining city river, system is strengthened in the city river water body self-cleaning that can significantly improve city river self-purification capacity System.
The present invention solves city river water body self-cleaning consolidation system used by its technical problem, including is arranged under river The checkdam of trip and return water section positioned at checkdam upstream are disposed with Submerged plant communities in the return water section.
Further, being arranged alternately aerobic zone and anaerobic zone along water (flow) direction in the return water section.
Further, aerator is arranged at return water section interval.
Further, the mean depth of the return water section is less than 2m.
Further, the Submerged plant communities are located at the region of return water section depth of water 1.5m or more.
Further, the Submerged plant communities are hornwort and/or watermifoil.
It is low that another technical problem to be solved by this invention is to provide a kind of operating cost, without persistently adding microorganism Microbial inoculum can long sustaining city river cleaning, the city river water body self-cleaning of city river self-purification capacity can be significantly improved Intensifying method.
The present invention solves city river water body self-cleaning intensifying method used by its technical problem, is constituted using return water section River channel type oxidation pond, and plant Submerged plant communities in river channel type oxidation pond.
Further, in return water section arranged for interval aerator, the alternate environment of anaerobic and aerobic is formed.
Further, Submerged plant communities coverage is maintained at 50% or more.
Further, carrying out external source to city river cuts dirty processing.
The beneficial effects of the invention are as follows:The present invention by river downstream build checkdam, form certain return water section, To constitute river channel type oxidation pond, and Submerged plant communities are disposed in return water section.It is arranged in the heavy of river channel type oxidation pond On the one hand water phytobiocoenose provides carrier for microorganism in water body, be conducive to microbial degradation pollutant in water;Another party Face submerged plant metabolism absorbs nutrient in water body, and the polluter that can remove in water body is gathered in by submerged plant. The river channel type oxidation pond that the present invention is formed substantially prolongs water body in the residence time of return water section, and the pollutant in water body is allowed to exist The fully degraded of long period is obtained under Submerged plant communities and the effect of the environment purification of microorganism, enables the pollutant in water body It is enough obtained and more thoroughly purifies.The present invention forms a river channel type oxidation by building check dam in city river downstream The pool makes in conjunction with ecological engineering, microbial metabolism environment etc., the self-cleaning of river water body is finally made to be strengthened, overcomes existing City river can not be made to keep the defect of moderately good self detergent power for a long time in water pollution administering method.
Description of the drawings
Fig. 1 is the schematic diagram of the application city river water body self-cleaning consolidation system.
Parts, position and number in figure:Checkdam 1, return water section 2, Submerged plant communities 3, aerobic zone 4, anaerobic zone 5, aerator 6.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the city river water body self-cleaning consolidation system of the present invention, including the checkdam in river downstream is set 1 and the return water section 2 positioned at 1 upstream of checkdam, Submerged plant communities 3 are disposed in the return water section 2.The present invention by River downstream builds checkdam 1, certain return water section 2 is formed, to constitute river channel type oxidation pond, and in return water section 2 It is disposed with Submerged plant communities 3.Microorganism provides during 3 one side of Submerged plant communities in river channel type oxidation pond is arranged as water body Carrier, is conducive to microbial degradation pollutant in water;Another aspect submerged plant metabolism absorbs nutrition member in water body Element gathers in the polluter that can remove in water body by submerged plant.The river channel type oxidation pond that the present invention is formed substantially prolongs Water body allows the pollutant in water body to make in Submerged plant communities 3 and the environment purification of microorganism in the residence time of return water section 2 The fully degraded that the long period is obtained under enables the pollutant in water body to be obtained and more thoroughly purifies.The present invention is logical It crosses and forms a river channel type oxidation pond in city river downstream structure check dam, in conjunction with ecological engineering, microbial metabolism environment etc. It makes, the self-cleaning of river water body is finally made to be strengthened, the present invention overcomes can not make city in existing water pollution administering method City river keeps the defect of moderately good self detergent power for a long time.
As shown in Figure 1, the application has been arranged alternately aerobic zone 4 and anaerobic zone in the return water section 2 along water (flow) direction 5.The alternate environment of anaerobic and aerobic that the application is arranged in return water section 2, can while extending the microbial cleaning time It is more fully decomposed so that Water nutriment is acted on by microorganism nitration denitrification.
The application changes in the prior art the continuously mode of setting aerator 6, but is spaced in the return water section 2 Aerator 6 is arranged in certain distance, makes to form the alternate environment of anaerobic and aerobic in river channel type oxidation pond.
Due to needing to plant a certain amount of submerged plant in return water section 2, the mean depth of return water section 2 is less than 2m, It is convenient for the plantation of submerged plant in this way.
In order to be more conducive to the growth and breeding of submerged plant, Submerged plant communities 3 are located at 2 depth of water 1.5m of return water section or more Region.
The Submerged plant communities 3 are hornwort and/or watermifoil.Hornwort and watermifoil good purification, growth energy Amount is strong and is easily managed.
The city river water body self-cleaning intensifying method of the present invention constitutes river channel type oxidation pond using return water section 2, and in river Submerged plant communities 3 are planted in road formula oxidation pond.
The city river water body self-cleaning intensifying method of the present invention is utilized forms certain return water in river downstream structure checkdam 1 Section 2 constitutes river channel type oxidation pond, and is disposed with Submerged plant communities 3 in return water section 2, is on the one hand micro- life in water body Object provides carrier, is conducive to microbial degradation pollutant in water, and another aspect submerged plant metabolism absorbs in water body Nutrient gathers in the polluter that can remove in water body by submerged plant.The present invention forms big by river channel type oxidation pond The big water body that extends allows pollutant in water body in the net of Submerged plant communities 3 and microorganism in the residence time of return water section 2 Change and obtain the fully degraded of long period under environmental activity, so that the pollutant in water body is obtained and more thoroughly purify. The present invention forms a river channel type oxidation pond by building check dam in city river downstream, in conjunction with ecological engineering, microorganism generation It thanks to environment etc. to make, the self-purification capacity of river water body is finally made to be strengthened, the present invention overcomes existing water pollution improvement sides City river can not be made to keep the defect of moderately good self detergent power for a long time in method.
The city river water body self-cleaning intensifying method of the present invention is in 2 arranged for interval aerator 6 of return water section, in river channel type The alternate environment of anaerobic and aerobic is formed in oxidation pond.It can make Water nutrition while extending the microbial cleaning time Substance is acted on by microorganism nitration denitrification and more fully being decomposed.
In order to ensure that the effect of river water body self-cleaning reinforcing, submerged plant coverage are maintained at 50% or more.
External source is carried out to city river and cuts dirty processing.The application cuts dirt by external source, and pollutant is partitioned into river as far as possible, Ensure that pollutants discharged into rivers maintains within the scope of consolidation system self-purification capacity.
Realize that the general step of the city river water body self-cleaning consolidation system of the present invention is:
One, urban river environmental survey
Before building water body self-purification ability consolidation system, reply hydraulic condition of river, water plant, aquatic animal, water quality etc. It is investigated, foundation is provided for later stage return water section 2 and ecological engineering structure.
Two, mitigate external contaminant as possible and enter river
Dirt is cut by external source, pollutant is partitioned into river as far as possible, ensures that pollutants discharged into rivers maintains consolidation system self-cleaning In limit of power.
Three, checkdam is established, river channel type oxidation pond is formed
Checkdam 1 is built in river downstream appropriate location, 2 depth of water of control return water section is not easy more than 2m.The river of formation Formula oxidation pond extends water body has the longer residence time in return water section 2, and the pollutant in water body is allowed to obtain the long period Degradation.
Four, Submerged plant communities are built
Preferably it is no more than within the scope of 1.5m depths in return water section 2 and arranges submerged plant, the selection of submerged plant is with clean-up effect Well, the water plant, such as hornwort, watermifoil etc. that growth energy is strong, is easily managed.3 one side of Submerged plant communities is water Microorganism provides carrier in body, is conducive to microbial degradation pollutant in water;Another aspect submerged plant metabolism is inhaled Nutrient in water body is received, the polluter that can remove in water body is gathered in by submerged plant.
Five, aerobic/anaerobic microbial degradation environment is built
By in 2 arranged for interval aerator 6 of return water section, forming the alternate environment of aerobic/anaerobic, being conducive in water body Nitrogen nutrition substance is acted on by microorganism nitration denitrification and being decomposed.
Six, later maintenance management
After system structure, harvesting and the aerator management service of submerged plant should be reinforced.
Embodiment
With specific example, the present invention will be described below:
Certain city river, length 7km, mean depth 1m, predominantly nitrogen nutrition are exceeded.After dirty section of surrounding cities life is dirty, Since around rainwater etc. brings pollutant into so that water quality is still poor.Therefore, with the river in order to using the method for the present invention, reinforcing Water body self-purification ability is realized that water quality is promoted, is described as follows:
One, river Water Environment Status quo
The river 10~25m of river width, average water depth 1m, long-term water quality are bad V class.Region belongs to subtropical zone and moistens monsoon Climatic province, annual mean temperature are 15.6~16.9 DEG C, and temperature in winter is 6.2~7.7 DEG C, which has common heavy water to plant Object hornwort, watermifoil etc..
Two, mitigate external contaminant as possible and enter river
Sewage network has been created around the rivers 7km, the sanitary sewage in urban area is all collected, is drained under river Sewage treatment plant other than trip, and house refuse is forbidden to enter river.
Three, checkdam 1 is established, river channel type oxidation pond is formed
At the river downstream, one, maximum water retaining height 10m, setting landscape lock, river is averaged return water depth as 2m so that The rivers 7km all as river channel type oxidation pond, form about 500,000 m3 of 2 storage capacity of return water section so that river upstream water body is 7km's River hydraulic detention time extends to 69.4d by 2.4d.
Four, structure Submerged plant communities
Submerged plant communities 3, which are mainly arranged in river, is no more than 1.5m depth of waters region, and submerged plant pionner is main The submerged plant kind that water purification ability is strong, adaptable, vitality is indomitable, growing way is preferably easily bred is selected, such as hornwort, fox-brush Algae etc..Final submerged plant coverage is 84%.
Five, aerobic/anaerobic microbial degradation environment is built
In the sections 7km, along river center, line arranges 1 fountain aeration machine every 100m so that river from upstream to Downstream shows the alternate water environment of aerobic/anaerobic, and micro is provided for microorganism nitration denitrification degradation nitrogen.
Six, later maintenance management
The submerged plant in the river is gathered in late spring and summer and autumn, some dead wood rubbish are salvaged in time, it is right Aerator overhauls in time.

Claims (10)

1. city river water body self-cleaning consolidation system, it is characterised in that:Including be arranged river downstream checkdam (1) and be located at The return water section (2) of checkdam (1) upstream, the return water section (2) is interior to be disposed with Submerged plant communities (3).
2. city river water body self-cleaning consolidation system as described in claim 1, it is characterised in that:In the return water section (2) It is interior to be arranged alternately aerobic zone (4) and anaerobic zone (5) along water (flow) direction.
3. city river water body self-cleaning consolidation system as claimed in claim 2, it is characterised in that:In the return water section (2) Interval setting aerator (6).
4. city river water body self-cleaning consolidation system as described in claim 1, it is characterised in that:The return water section (2) Mean depth is less than 2m.
5. city river water body self-cleaning consolidation system as claimed in claim 4, it is characterised in that:The Submerged plant communities (3) it is located at the region of return water section (2) depth of water 1.5m or more.
6. the city river water body self-cleaning consolidation system as described in the arbitrary claim of claim 1 to 5, it is characterised in that:Institute It is hornwort and/or watermifoil to state Submerged plant communities (3).
7. city river water body self-cleaning intensifying method, it is characterised in that:It is constituted using return water section (2) described in claim 1 River channel type oxidation pond, and Submerged plant communities (3) are planted in river channel type oxidation pond.
8. city river water body self-cleaning intensifying method as claimed in claim 7, it is characterised in that:It is spaced in return water section (2) It arranges aerator (6), forms the alternate environment of anaerobic and aerobic.
9. city river water body self-cleaning intensifying method as claimed in claim 7, it is characterised in that:Submerged plant communities coverage It is maintained at 50% or more.
10. city river water body self-cleaning intensifying method as claimed in claim 7, it is characterised in that:City river is carried out outer Dirty processing is cut in source.
CN201810386301.0A 2018-04-26 2018-04-26 City river water body self-cleaning consolidation system Pending CN108328743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810386301.0A CN108328743A (en) 2018-04-26 2018-04-26 City river water body self-cleaning consolidation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810386301.0A CN108328743A (en) 2018-04-26 2018-04-26 City river water body self-cleaning consolidation system

Publications (1)

Publication Number Publication Date
CN108328743A true CN108328743A (en) 2018-07-27

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN108328743A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012082649A (en) * 2010-10-14 2012-04-26 Narasaki Seisakusho:Kk Method and device to improve water quality of tidal river
CN104876402A (en) * 2015-06-10 2015-09-02 中电建路桥集团有限公司 Heavily polluted river habitat reconstruction process
CN104926032A (en) * 2015-06-10 2015-09-23 中国水利水电科学研究院 Multistage compound strengthening and purifying method for tidal waterway in coastal city
CN107724330A (en) * 2017-10-30 2018-02-23 郑州大学 A kind of ecosystem and its construction method for lifting the ability of the river self-purification
CN208440357U (en) * 2018-04-26 2019-01-29 中国电建集团成都勘测设计研究院有限公司 City river water body self-cleaning consolidation system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012082649A (en) * 2010-10-14 2012-04-26 Narasaki Seisakusho:Kk Method and device to improve water quality of tidal river
CN104876402A (en) * 2015-06-10 2015-09-02 中电建路桥集团有限公司 Heavily polluted river habitat reconstruction process
CN104926032A (en) * 2015-06-10 2015-09-23 中国水利水电科学研究院 Multistage compound strengthening and purifying method for tidal waterway in coastal city
CN107724330A (en) * 2017-10-30 2018-02-23 郑州大学 A kind of ecosystem and its construction method for lifting the ability of the river self-purification
CN208440357U (en) * 2018-04-26 2019-01-29 中国电建集团成都勘测设计研究院有限公司 City river water body self-cleaning consolidation system

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