CN108249575A - A kind of method for treating water for controlling area-source pollution - Google Patents
A kind of method for treating water for controlling area-source pollution Download PDFInfo
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- CN108249575A CN108249575A CN201711386134.1A CN201711386134A CN108249575A CN 108249575 A CN108249575 A CN 108249575A CN 201711386134 A CN201711386134 A CN 201711386134A CN 108249575 A CN108249575 A CN 108249575A
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- China
- Prior art keywords
- water
- rainwater
- conservancy diversion
- source pollution
- controlling area
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Abstract
The present invention relates to a kind of method for treating water for controlling area-source pollution, include the following steps：It is needing the region for carrying out controlling area-source pollution that charge for remittance canal is set, is carrying out initial stage high concentration rainwater-collecting；Charge for remittance canal side setting water conservancy diversion obstructs, and the water conservancy diversion stalk side is disposed with surface-flow and microorganism attachment base；Opposite side is provided with ecological pond, and initial stage high concentration rainwater flows into the water conservancy diversion stalk surface-flow of side and microorganism attachment base from charge for remittance canal, carries out purified treatment；Under the action of reflux pump, rainwater flows into the ecological pond of water conservancy diversion stalk opposite side from water conservancy diversion stalk end, and further purified treatment is carried out by ecological pond；Purified rainwater reaches motorized adjustment weir gate, forms circulation loop.The present invention can make its initial stage high concentration rainwater circularly purifying in wet land system, fully ensure that stable water outlet is up to standard, realize " regulate and store, recycle, purify " to pollution of area source, final outflow water is up to standard to be discharged downstream water body or reuse.
Description
Technical field
The present invention relates to rainwater treatment field technology more particularly to a kind of method for treating water for controlling area-source pollution.
Background technology
With China's water environment treatment project implementation, point-source pollution is tentatively effectively controlled and administers, but city,
The pollution of area source that village and farmland etc. are formed under Rainfall simulator erosion has become the difficult point administered, and pollution of area source is to water body dirt
The contribution proportion of dye also gradually increases.Since pollution of area source has many characteristics, such as dispersibility, randomness, diversity, it is difficult to administer
It spends larger.
It is novel rainwater treatment technology developed in recent years using artificial wetland treatment rainfall runoff.In the prior art
Artificial swamp for preventing pollution of area source is mainly based upon surface flow artificial marshland, horizontal drowned flow artificial wet land and perpendicular flow artificial
The single or combined type processing mode of wetland.
Although Treatment Technology of Constructed Wetland of the prior art can be realized to a certain extent to pollution of area source processing,
There are still defects for it：
（1）The water fluctuation of rainfall runoff is big, in the prior art the runoff investigation of artificial swamp is separately provided to shut off and be regulated and stored
Facility causes floor space larger.
（2）Pollutant concentration fluctuation is larger into the rainfall runoff of wet land system, and traditional wetland effluent is difficult to realize
Stably reaching standard.
Invention content
In order to solve the above technical problems, it is an object of the present invention to provide a kind of method for treating water for controlling area-source pollution,
So that sewage is fully purified, effluent quality can be fully ensured.
To achieve these goals, the solution of the present invention is as follows：A kind of method for treating water for controlling area-source pollution,
It is characterized in that the described method comprises the following steps：
A, it is needing the region for carrying out controlling area-source pollution that charge for remittance canal is set, is carrying out initial stage high concentration rainwater-collecting；
B, setting water conservancy diversion in charge for remittance canal side obstructs, and the water conservancy diversion stalk side is disposed with surface-flow and microorganism attachment base；Separately
Side is provided with ecological pond, and initial stage high concentration rainwater after motorized adjustment weir gate, flows into the table of water conservancy diversion stalk side from charge for remittance canal
Wetland and microorganism attachment base are flowed, purified treatment is carried out to initial stage high concentration rainwater by surface-flow and microorganism attachment base；
C, it under the action of reflux pump, is flowed by surface-flow and the rainwater of microorganism attachment base purified treatment from water conservancy diversion stalk end
Enter the ecological pond of water conservancy diversion stalk opposite side, further purified treatment is carried out by ecological pond；
D, the purified rainwater of step C is discharged into downstream water.
Further, the motorized adjustment weir gate is set at charge for remittance canal import and export, is respectively used to control initial rainwater
It collects and discharges, by the water level and water body of the motorized adjustment weir gate regulating multi-functional small reservoir wet land system in wet land system
In residence time.
Further, the motorized adjustment weir gate is regulated and stored import and export wet land system water level, and wet land system is regulated and stored depth of water range
For 0.1-2m.
Further, the initial stage high concentration rainwater is the 8-15mm rainwater of initial rainfall.
Further, kind is implanted with the water-fast emergent aquactic plant kind flooded in the surface-flow, and the surface-flow is regulated and stored the depth of water
For 0.1-1.0m.
Further, the microorganism attachment base is multigroup biological active filling material, and biological active filling material is polypropylene biology
Filler；Every group of biological active filling material 0.5-3m, high 0.3-2.0m, every group of spacing 0.5-2m.
Further, the specific surface area of the polypropylene biologic packing material>3000m2/m3, packing density 50-70kg/ m3.
Further, kind is implanted with the strong submerged plant of resistant in the ecological pond, and the ecological pond regulates and stores the depth of water as 0.5-
2.0m。
Further, the water body flow speed 0.02-0.5m/s in the wet land system.
The present invention is according to pollution of area source feature, and main to collect the poor initial rainwater of cycle disposition water quality early period, the later stage does
Net rainfall water is directly discharged into downstream water.The present invention has the following advantages and advantageous effect：
1）It removes contamination shunting, improves Purification Benefits of Purifying
By model analysis, initial rainwater interception is determined, controlled using motorized adjustment weir gate, make initial rainwater well into the pool
Weir wet land system, later stage relatively clean rainwater and are directly discharged into downstream so that shunting of removing contamination improves the Purification Benefits of Purifying of wet land system；
2）Small reservoir wetland regulating space is big, and handling rate is high：
Small reservoir wet land system is made of the more library pool, makes in the pool depth of water up to 0.1-2.0m, wetland using resistance to deep water water plant as
It is main, increase the regulating space of wet land system, improve its handling rate；
3）Wetland circularly purifying ensures effluent quality：
The setting water conservancy diversion ridge and reflux pump realize water circulation in wetland in wetland so that sewage is fully purified, and can fully be protected
Hinder effluent quality.Improve the environmental carrying capacity of entire water body, make to reach water body self-purification ability, effect is fine, can reduce black smelly river
The processing cost in road.
Description of the drawings
Fig. 1 is the process chart of the present invention；
Wherein：1st, motorized adjustment weir gate, 2, reflux pump, 3, surface-flow, 4, microorganism attachment base, 5, ecological pond, 6, water conservancy diversion stalk,
7th, charge for remittance canal.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings；
As shown in Figure 1, a kind of multi-functional small reservoir wet land system for controlling area-source pollution, including motorized adjustment weir gate 1, reflux
Pump 2, water conservancy diversion stalk 6, surface-flow 3, microorganism attachment base 4, ecological pond 5 and charge for remittance canal 7；
The charge for remittance canal 7 is arranged on the region for needing to carry out controlling area-source pollution, carries out initial stage high concentration rainwater-collecting；
The charge for remittance canal 7 introduces sewage mouth and is provided with one group or multigroup motorized adjustment weir gate 1；Motorized adjustment weir gate 1 is used to control
Wet land system water processed and water level；Parting by the actually detected and model for going out first rain water quality and quantity, determines initial rainwater
Standard of river closure and scale automatically control scale of shutting off by motorized adjustment weir gate；
The side that the charge for remittance canal 7 is located at motorized adjustment weir gate 1 is provided with water conservancy diversion stalk 6；It is inflow side that the water conservancy diversion, which obstructs 6 sides,
It is disposed with surface-flow 3 and microorganism attachment base 4；Opposite side is reflux side, is provided with ecological pond 5；Initial stage high concentration rain
Water enters motorized adjustment weir gate 1, by surface-flow 3 and microorganism attachment base 4, then by being arranged on returning on water conservancy diversion stalk 6
Stream pump 2, makes initial stage high concentration rainwater after treatment, reaches motorized adjustment weir gate 1 from ecological pond 5, forms circulation loop.Make just
Phase high concentration rainwater enters wet land system, and initial stage high concentration rainwater is followed by reflux pump 2 and 6 realization wet land system of water conservancy diversion stalk
Ring, it is final to realize that water quality reaching standard is discharged into river.
Further, the water conservancy diversion ridge 6 is set to small reservoir wetland center, and top width 1.5m is earth dam, is mainly used for water conservancy diversion,
It realizes and is recycled inside water body.The downstream topography of water conservancy diversion stalk is low, and wetland landform uses 0.5% slope, by being followed in the offer of interior reflux pump
Yang Cheng needed for ring.The water conservancy diversion stalk 6 forms one or more bending sections, particularly forms U section, the U in the end of water conservancy diversion stalk
The opening direction of shape section makes rainwater not easily cause congestion when flowing back, and can also increase the purified treatment time towards reflux side.
Further, the motorized adjustment weir gate is set at 7 import and export of charge for remittance canal, is respectively used to control initial rainwater
Collection and discharge, by the residence time of 1 adjustable wetland systematic water level of motorized adjustment weir gate and water body in wet land system,
The motorized adjustment weir gate 1 of entrance is used to controlling the scale of shutting off of initial rainwater, and exit by motorized adjustment weir gate from
Dynamic water of regulating and storing, when initial rainwater water level reaches ordinary water level, motorized adjustment weir gate automatically turns on；When water level reaches operation water level
When, weir gate is automatically closed, and water quality monitoring equipment is set on motorized adjustment weir gate.
Further, the motorized adjustment weir gate 1 adjusts water body residence time, residence time 3-10 in wet land system
My god.
Further, the motorized adjustment weir gate 1 is regulated and stored import and export wet land system water level, and wet land system is regulated and stored depth of water model
It encloses for 0.1-2m.
Further, the initial stage high concentration rainwater is the 8-15mm rainwater of initial rainfall.
Further, kind is implanted with the water-fast emergent aquactic plant kind flooded in the surface-flow 3, and the surface-flow is regulated and stored the depth of water
For 0.1-1.0m；Plant the emergent aquactic plant kind of the resistance to water logging such as reed, cattail or wild rice in surface-flow 3, SS in principal degradation wetland
Content, the operation that unit is subsequently formed for wet land system provide safeguard.
Further, the microorganism attachment base is biological active filling material, and biological active filling material is polypropylene biologic packing material；
Per group leader 0.5-3m, high 0.3-2.0m, every group of spacing 0.5-2m；The microbial film formed using primary surface is adhered to strengthens drop
Solve the content of nitrogen and phosphorous in initial rainwater.
Further, the specific surface area of the polypropylene biologic packing material>3000m2/m3, packing density 50-70kg/ m3.
Further, kind is implanted with the strong submerged plant of resistant in the ecological pond 5, and the ecological pond regulates and stores the depth of water as 0.5-
2.0m；5 kinds of ecological pond plants resistant by force and spike watermifoil, eel grass, the comb tooth bog pondweed of well developed root system, can further purified water
Matter.
Further, the water body flow speed 0.02-0.5m/s in the wet land system；Water conservancy diversion stalk 5, reflux pump 2 are realized
The circularly purifying of sewage is handled in wet land system, keeps stationary flow in wet land system, water body flow speed is 0.02-
0.5m/s, final outflow water is up to standard to be discharged downstream water body, and according to Project Areas influent quality situation, water outlet can reach《Surface water environment
Quality standard》（GB3838-2002）Middle IV ~ V classes water standard.
Although giving detailed description and explanation to the specific embodiment of the present invention above, it should be noted that
We can be according to the present invention conception various equivalent changes and modification are carried out to the above embodiment, generated function is made
It, should all be within protection scope of the present invention during with the spirit still covered without departing from specification.
Claims (10)
1. a kind of method for treating water for controlling area-source pollution, it is characterised in that the described method comprises the following steps：
A, it is needing the region for carrying out controlling area-source pollution that charge for remittance canal is set, is carrying out initial stage high concentration rainwater-collecting；
B, setting water conservancy diversion in charge for remittance canal side obstructs, and the water conservancy diversion stalk side is disposed with surface-flow and microorganism attachment base；Separately
Side is provided with ecological pond, and initial stage high concentration rainwater after motorized adjustment weir gate, flows into the table of water conservancy diversion stalk side from charge for remittance canal
Wetland and microorganism attachment base are flowed, purified treatment is carried out to initial stage high concentration rainwater by surface-flow and microorganism attachment base；
C, it under the action of reflux pump, is flowed by surface-flow and the rainwater of microorganism attachment base purified treatment from water conservancy diversion stalk end
Enter the ecological pond of water conservancy diversion stalk opposite side, further purified treatment is carried out by ecological pond；
D, the purified rainwater of step C is discharged into downstream water.
2. the method for treating water for controlling area-source pollution according to claims 1, which is characterized in that the electric adjustable
Section weir gate is set at charge for remittance canal import and export, is respectively used to the collection and discharge of control initial rainwater, is passed through the motorized adjustment
Residence time of the water level and water body of weir gate regulating multi-functional small reservoir wet land system in wet land system.
3. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the motorized adjustment
Weir gate adjusts the water body residence time in wet land system, and the residence time is 3-10 days.
4. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the motorized adjustment
Weir gate is regulated and stored import and export wet land system water level, and wet land system is regulated and stored the depth of water ranging from 0.1-2m.
5. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the initial stage is highly concentrated
Spend the 8-15mm rainwater that rainwater is initial rainfall.
6. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the surface-flow
Middle kind is implanted with the water-fast emergent aquactic plant kind flooded, and the surface-flow regulates and stores the depth of water as 0.1-1.0m.
7. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the microorganism is attached
It base and includes multigroup biological active filling material, biological active filling material is polypropylene biologic packing material；Every group of long 0.5- of biological active filling material
3m, high 0.3-2.0m, every group of spacing 0.5-2m.
8. the method for treating water according to claim 7 for controlling area-source pollution, which is characterized in that the polypropylene life
The specific surface area of object filler>3000m2/m3, packing density 50-70kg/ m3.
9. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that in the ecological pond
Kind is implanted with the strong submerged plant of resistant, and the ecological pond regulates and stores the depth of water as 0.5-2.0m.
10. the method for treating water according to claim 1 for controlling area-source pollution, which is characterized in that the wetland system
Water body flow speed 0.02-0.5m/s in system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386134.1A CN108249575A (en) | 2017-12-20 | 2017-12-20 | A kind of method for treating water for controlling area-source pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386134.1A CN108249575A (en) | 2017-12-20 | 2017-12-20 | A kind of method for treating water for controlling area-source pollution |
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| Publication Number | Publication Date |
|---|---|
| CN108249575A true CN108249575A (en) | 2018-07-06 |
Family
ID=62722567
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386134.1A Pending CN108249575A (en) | 2017-12-20 | 2017-12-20 | A kind of method for treating water for controlling area-source pollution |
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| CN205556241U (en) * | 2016-03-30 | 2016-09-07 | 天津生态城投资开发有限公司 | Composite artificial wetland |
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2017
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| CN104986918A (en) * | 2015-06-29 | 2015-10-21 | 同济大学 | Road pavement runoff sewage intercepting wetland zone and construction method thereof |
| CN105461075A (en) * | 2016-01-06 | 2016-04-06 | 中国环境科学研究院 | Urban runoff non-point source pollution advanced treatment and reuse technology |
| CN205556241U (en) * | 2016-03-30 | 2016-09-07 | 天津生态城投资开发有限公司 | Composite artificial wetland |
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