CN104556390A - Water body pollution abatement system and method - Google Patents
Water body pollution abatement system and method Download PDFInfo
- Publication number
- CN104556390A CN104556390A CN201410834341.9A CN201410834341A CN104556390A CN 104556390 A CN104556390 A CN 104556390A CN 201410834341 A CN201410834341 A CN 201410834341A CN 104556390 A CN104556390 A CN 104556390A
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- water
- water body
- filter tank
- governing system
- lake
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Classifications
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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
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
Abstract
The invention relates to the technical field of water body pollution abatement, in particular to a water body pollution abatement system and method. According to the method, a diversion wall and a plug-flow aeration machine are arranged in a water body, which have the effect of pushing water and aeration and prevent a dead water zone from being formed during water body circulation. A biological film net and an ecological floating island are arranged in the water body, certain dissolved oxygen gradient is formed at the bottom and the peripheral region of the ecological floating island under the photosynthesis of aquatic plants on the ecological floating island, and the dissolved oxygen gradient is beneficial to removing pollutants in the water body, such as N, P and the like, through the combined effect of aerobic bacteria, anoxic bacteria and anaerobic bacteria, so that the water quality is purified. Meanwhile, the plug-flow aeration machine is arranged in the water body, sufficient oxygen dissolved in the water body is guaranteed. The water body is firstly filtered through a filter chamber, a large proportion of organic matters and inorganic matters, such as suspended solids, algae and the like, in water can be removed, the filtered water flows into the water body again and forms water body circulation with the diversion wall arranged in the water body.
Description
Technical field
The present invention relates to water pollution Treatment process field, particularly relate to a kind of water pollution governing system and method.
Background technology
According to the China Environmental State Bulletin display of 2013, water quality is excellent, slight pollution, the ratio of state's control emphasis lake (reservoir) of intermediate pollution and serious pollution is respectively 60.7%, 26.2%, 1.6% and 11.5%, and main contamination index is total phosphorus, chemical oxygen demand (COD) and permanganate index.In state's control section of ten large watersheds such as the Changjiang river, the Yellow River, the Zhujiang River, Song Hua River, Huaihe River, Haihe River, the Liaohe River, Min Pian river, Zhejiang, all rivers, northwest and south-west rivers, I-III class, IV-V class and bad V class water quality section ratio are respectively 71.7%, 19.3% and 9.0%, and main contamination index is chemical oxygen demand (COD), permanganate index and five-day BOD.
Common feature after river, lake are contaminated is: there is the pollutent exceeding water body capacity and self-purification capacity in a large number in water body, it is even zero that dissolved oxygen concentration reduces, there is black smelly, eutrophication in river, lake, the water biological species such as fishes and shrimps fall sharply and even disappear, the original deterioration of water body is even lost, the eubiosis of water body is seriously damaged, and the resident near waters is healthy to be on the hazard.Cause river, the major cause of lake water pollution has: lake region water is excessive, industrialization and urbanization raw sewerage discharges, and the use that excessively exceeds standard of rural agricultural chemicals and chemical fertilizer, causes lake pollution and eutrophication problem is day by day serious; The water body flow in lake, river etc. is poor, shallow water particularly near loke shore and arm of lake region, water base does not flow, organic pollutant enrichment, the oxygen level of water not only can not get improving lower by the nutritive substance consumption in water on the contrary, facilitates the growth of the anaerob in water body.The methods such as prior art often adopts water transfer drainage to the improvement of lake, river water contamination, machinery is salvaged, plantation pasture and water, but all there is the deficiencies such as effect is obvious not, processing costs is high, cure the symptoms, not the disease in these methods.
Summary of the invention
The present invention is directed to prior art to the regulation effect of lake, river water contamination and the not good problem of efficiency, the water pollution governing system that a kind of regulation effect is good, efficiency is high, working cost is low is provided, and applies the method for this Systematic control water pollution.
For achieving the above object, the present invention by the following technical solutions,
A kind of water pollution governing system, comprise lift pump and filter tank, described lift pump is communicated with water body, can be filter tank and provides water; Described filter tank is communicated with water body, can enter in water body by the water after filtration; Be provided with training wall in described water body, training wall makes the water in water body be bending flowing; The both sides of described training wall are provided with microbial film net; In described water body, be provided with ecological floating island, the flowing-path of water installs plugflow aeration machine.
Above-mentioned water pollution governing system also comprises backwash pump, and described backwash pump is communicated with water body, can be filter tank and provides backwash water.Described filter tank is V-type filter tank or biological filter.
The sewage inlet place of described water body also plants to be implanted with and cuts dirty green belt.
The waterplant that described ecological floating island is planted has at least one in Spiked Loosestrife, Canna generalis Bailey, mullet grass, cattail, again power flower, iris.
Described microbial film net is made up of carbon fibre ecological grass and ecological algae.
Described training wall is made up of spud pile and flow-guiding cloth.
The lower end gabion of described flow-guiding cloth is fixed.
Apply the method for the above water pollution governing system pollution control of water, comprise the following steps:
S1, by lift pump by water body water input filter tank in, water carries out precipitation process in filter tank; And regularly the mud deposited in filter tank is discharged.
S2, the water processed through filter tank flow back in water body again, and under the effect of plugflow aeration machine, water is bending flowing along training wall; And with ecological floating island, microbial film net, the water in flowing is processed.
Also comprise the step of regularly filter tank being carried out to back flushing, carry out back flushing by backwash pump by the water input filter tank in water body.
Compared with prior art, the invention has the beneficial effects as follows: the present invention arranges training wall and plugflow aeration machine in water body to there is the effect making stream oxygenation, prevent in water circulation process and form slough.Microbial film net and ecological floating island are set in water body, by the photosynthesis of waterplant on ecological floating island, certain dissolved oxygen gradient is formed in the bottom of ecological floating island and peripheral region, be conducive to aerobic bacteria, anoxic bacteria and anerobe combined action and remove the pollutents such as N, P in water body, thus purify water.In water body, be provided with plugflow aeration machine simultaneously, ensure to be dissolved with sufficient oxygen in water body.First filtered water body by filter tank, can remove organism thing and the inorganics such as most suspended substance, algae in water, the water after filtration flows into water body again, forms water circulation with the training wall arranged in water body.Regularly carry out back flushing by backwash pump from water body water suction supply filter tank.The sewage inlet place of water body also plants to be implanted with and cuts dirty green belt, effectively can tackle the bulk rubbish such as deadwood, bottle, north material strip, waste paper, reduce rainwash and carry the pollutent poured in lake, reduce external source and pollute, can also water body slope be consolidated simultaneously, increase landscape effect.The purifying treatment of the present invention to water body is effective, and system operation is stablized, and equipment is simple, easy to operate, working cost is low, and power-equipment only has the lift pump and plugflow aeration machine that maintain water circulation, and the backwash pump of filter back washing.
Accompanying drawing explanation
Fig. 1 is the water pollution governing system schematic diagram in A lake in embodiment.
Embodiment
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention being described further and being illustrated.
Embodiment
The present embodiment, using certain eutrophic water as trial plot (this waters comprises A lake and B lake, and total waters capacity reaches 51.7 ten thousand sides), provides a kind of water pollution governing system, and applies the method for this Systematic control water pollution.Specific as follows:
(1) A lake
Area is 0.178km
2, average depth 2.4m, lake water capacity is 42.7 ten thousand m
3.Lake water water quality is: COD10.8mg/L, TN20.18mg/L, TP1.06mg/L, NH3-N10.34mg/L.
Arrange 14 biological filters (also can adopt V-type filter tank in other embodiments) in lakeside, each biological filter is of a size of 3.5m × 7.2m × 4.0m, and filtration velocity is 4.0m/h, and the throughput of 14 biological filters is 1200m
3/ h.Each biological filter also correspondence is provided with a lift pump, and the import of lift pump is communicated with A lake by pipeline, is biological filter conveying water by lift pump.The outlet of biological filter is communicated with A lake by pipeline, and the water after biological filter is filtered flows back in A lake again.
Between biological filter and A lake, be also connected with a backwash pump, backwash pump is communicated with A lake, can be biological filter and provides backwash water.In addition, be also provided with a backwash mudpan, be of a size of 4.5m × 7.0m × 4.0m, useful volume 100m
3, the backwashing wastewater of generation when back flushing being carried out to biological filter for precipitation process.In backwash mudpan, clear water after precipitation enters in A lake, and mud then enters lakeside sewage lifting pump station to carry out focusing on (distance is about 300m).
According to the water yield 42.7 ten thousand m in A lake
3meter, about 15 days of lake water circulation primary.14 biological filter independent operatings separately, backwash in 28 days 1 time is run in each biological filter.
In A lake, arrange the training wall that overall length is 1160m, A lake is separated into multiple gallery (flowing-path of water) by training wall, and the water in A lake flows along gallery, makes the water in A lake be bending flowing by training wall.Described training wall is made up of spud pile and fluid-tight polymer flow-guiding cloth, and beat spud pile at the bottom, field planting position, corner or stressed larger part need add supporting pile; Lie on spud pile with nylon rope by flow-guiding cloth, flow-guiding cloth lower end adopts the gabion pressure end, flow-guiding cloth is fixed on the bottom, prevents bottom training wall permeable, affect its water conservancy diversion effect.Scattering device 27 submersible type plugflow aeration machines on gallery.Arrange microbial film net respectively in the both sides of training wall, set microbial film net is made up of carbon fibre ecological grass and ecological algae, and the total area of microbial film net is 21500m
2.
Meanwhile, also in A lake, arrange 5 ecological floating islands, wherein 3, circular chinampa, every seat surface amasss as 314.2m
2; Square 1, chinampa, area is 1600m
2; Abnormity 1, chinampa, area is 1788.7m
2; The total area of 5 ecological floating islands is 4331.3m
2.The waterplant that every ecological floating island is planted can be any one or multiple in Spiked Loosestrife, Canna generalis Bailey, mullet grass, cattail, again power flower, iris.
Extend from A loke shore to direction, the middle of a lake and plant emergent vegetation zone, floatingleaved plant band and submerged plant band successively, the aquatic vegetation total area is 16810m
2, wherein the area of emergent vegetation zone is 1740m
2, the area of floatingleaved plant band is 2250m
2, the area of submerged plant band is 12820m
2.
The schematic diagram of the water pollution governing system in A lake as shown in Figure 1.In Fig. 11 is ecological floating island, and 2 for cutting dirty green belt, and 3 is training wall, and 4 is plugflow aeration machine, and 5 is microbial film net, and 6 is backwash pump, and 7 is ecological filter, and 8 is lift pump.
(2) B lake
Lake surface amasss as 0.06km
2(i.e. 60000m
2), average depth is 1.5m, and lake water total amount is 90000m
3.
In B lake, arrange the training wall that overall length is 380m, B lake is separated into multiple gallery (flowing-path of water) by training wall, and the water in B lake flows along gallery, makes the water in B lake be bending flowing by training wall.Scattering device 17 submersible type plugflow aeration machines on gallery.Arrange microbial film net respectively in the both sides of training wall, set microbial film net is made up of carbon fibre ecological grass and ecological algae, and the area of two kinds of filler layings is 6000m
2, the total area of microbial film net is 12000m
2.
In B lake, arrange 4 ecological floating islands, wherein 3, circular chinampa, 1, special-shaped chinampa, the total area of 4 ecological floating islands is 2497.6m
2.
Extend plantation emergent vegetation zone from B loke shore to direction, the middle of a lake, the kind of emergent is lotus, cattail, iris, Spiked Loosestrife, Arundo donax and reed, and the total area of emergent vegetation zone is 3000m
2.
The processing power of the water remediation engineering in B lake is 5000m
3/ d.
(3) on the ring lake road in A lake and B lake and the plantation of other sewage inlet place cut a dirty green belt, overall length is 530m.
When repairing above-mentioned waters (A lake and B lake), by lift pump by the water input ecological filter in A lake, water carries out precipitation process in ecological filter, and is regularly discharged by the mud deposited in ecological filter.Regularly carry out back flushing by backwash pump by the water input ecological filter in A lake, the backwashing wastewater that back flushing is formed flows in backwash mudpan and precipitates, and the mud deposited in backwash mudpan enters lakeside sewage lifting pump station and focuses on.Water through biological filter process flows back in A lake again.After current go back to A lake, under the effect of plugflow aeration machine, water is bending flowing along training wall; And with ecological floating island, microbial film net, the water in flowing is processed.Water in A lake constantly pumps in biological filter, and the water through ecological filter precipitation process constantly flows back to again in A lake, and constantly combine d bioremediation process is carried out in circulation thus.And the water in B lake, constantly circulate under the effect of plugflow aeration machine and training wall, and with ecological floating island, microbial film net, the water in flowing is processed.
Repaired this eutrophic water by above-mentioned method, continuous service 2 years, the total nitrogen (TN) in Lake Water reduces by 75%, and total phosphorus (TP) reduces by 75%, COD and removes 60%, and lake water transparency brings up to 500mm, and stench is eliminated.
The above only further illustrates technology contents of the present invention with embodiment, so that reader is easier to understand, but does not represent embodiments of the present invention and is only limitted to this, and any technology done according to the present invention extends or recreation, all by protection of the present invention.
Claims (9)
1. a water pollution governing system, is characterized in that, comprises lift pump and filter tank, and described lift pump is communicated with water body, can be filter tank and provides water;
Described filter tank is communicated with water body, can enter in water body by the water after filtration;
Be provided with training wall in described water body, training wall makes the water in water body be bending flowing;
The both sides of described training wall are provided with microbial film net;
In described water body, be provided with ecological floating island, the flowing-path of water installs plugflow aeration machine.
2. a kind of water pollution governing system according to claim 1, it is characterized in that, also comprise backwash pump, described backwash pump is communicated with water body, can be filter tank and provides backwash water.
3. a kind of water pollution governing system according to claim 1, is characterized in that, the sewage inlet place of described water body also plants to be implanted with and cuts a dirty green belt.
4. a kind of water pollution governing system according to claim 1, is characterized in that, the waterplant that described ecological floating island is planted has at least one in Spiked Loosestrife, Canna generalis Bailey, mullet grass, cattail, again power flower, iris.
5. a kind of water pollution governing system according to claim 1, it is characterized in that, described microbial film net is made up of carbon fibre ecological grass and ecological algae.
6. a kind of water pollution governing system according to claim 1, it is characterized in that, described training wall is made up of spud pile and flow-guiding cloth.
7. a kind of water pollution governing system according to claim 6, it is characterized in that, the lower end gabion of described flow-guiding cloth is fixed.
8. application rights requires a method for water pollution governing system pollution control of water described in 1, it is characterized in that, comprises the following steps:
S1, by lift pump by water body water input filter tank in, water carries out precipitation process in filter tank; And regularly the mud deposited in filter tank is discharged;
S2, the water processed through filter tank flow back in water body again, and under the effect of plugflow aeration machine, water is bending flowing along training wall; And with ecological floating island, microbial film net, the water in flowing is processed.
9. the method for a kind of pollution control of water according to claim 8, is characterized in that, also comprises the step of regularly filter tank being carried out to back flushing, carries out back flushing by backwash pump by the water input filter tank in water body.
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| CN201410834341.9A CN104556390B (en) | 2014-12-26 | 2014-12-26 | A kind of water pollution governing system and method |
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| CN201410834341.9A CN104556390B (en) | 2014-12-26 | 2014-12-26 | A kind of water pollution governing system and method |
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| CN104556390B CN104556390B (en) | 2017-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106892531A (en) * | 2015-12-20 | 2017-06-27 | 天津市兴荣非织造布有限公司 | A kind of method of rural area swag waste water control |
| CN107215999A (en) * | 2017-05-31 | 2017-09-29 | 佛山市玉凰生态环境科技有限公司 | A kind of automatic collection and treatment device of river course oil slick |
| CN108706740A (en) * | 2018-07-20 | 2018-10-26 | 上海交通大学 | A kind of technical method improving estuarine wetland denitrification efficiency |
| CN110734143A (en) * | 2019-10-28 | 2020-01-31 | 福建永前生态环境技术有限公司 | Pond ecological water treatment system |
| CN113184999A (en) * | 2021-05-13 | 2021-07-30 | 武汉中科水生环境工程股份有限公司 | Shallow lake substrate spot blocking system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892531A (en) * | 2015-12-20 | 2017-06-27 | 天津市兴荣非织造布有限公司 | A kind of method of rural area swag waste water control |
| CN107215999A (en) * | 2017-05-31 | 2017-09-29 | 佛山市玉凰生态环境科技有限公司 | A kind of automatic collection and treatment device of river course oil slick |
| CN108706740A (en) * | 2018-07-20 | 2018-10-26 | 上海交通大学 | A kind of technical method improving estuarine wetland denitrification efficiency |
| CN108706740B (en) * | 2018-07-20 | 2021-06-29 | 上海交通大学 | Technical method for improving denitrification efficiency of estuary wetland |
| CN110734143A (en) * | 2019-10-28 | 2020-01-31 | 福建永前生态环境技术有限公司 | Pond ecological water treatment system |
| CN113184999A (en) * | 2021-05-13 | 2021-07-30 | 武汉中科水生环境工程股份有限公司 | Shallow lake substrate spot blocking system |
| CN113184999B (en) * | 2021-05-13 | 2024-01-23 | 武汉中科水生生态环境股份有限公司 | Shallow lake substrate spot blocking system |
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Application publication date: 20150429 Assignee: Shunde District and Fengju Winning Equity Investment Partnership in Foshan City (Limited Partnership) Assignor: Yuxing Technology Development (Shenzhen) Co., Ltd. Contract record no.: X2019440020014 Denomination of invention: Water body pollution abatement system and method Granted publication date: 20170104 License type: Common License Record date: 20190920 |
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