CN102491558A - Landscape water treatment process and device - Google Patents
Landscape water treatment process and device Download PDFInfo
- Publication number
- CN102491558A CN102491558A CN2011104070599A CN201110407059A CN102491558A CN 102491558 A CN102491558 A CN 102491558A CN 2011104070599 A CN2011104070599 A CN 2011104070599A CN 201110407059 A CN201110407059 A CN 201110407059A CN 102491558 A CN102491558 A CN 102491558A
- Authority
- CN
- China
- Prior art keywords
- water
- landscape
- river
- water body
- moisturizing
- 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.)
- Granted
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to an air floatation water treatment process and device, in particular to an air floatation water treatment device which adapts to interval running. An efficient process with low manufacturing cost and low operation cost is selected for removing algae from an artificial landscape water body, so that the content of N and P is lowered, and the water quality of the water body is kept. In the invention, a large-area landscape water body is treated with a landscape water treatment process and device in which air flotation is taken as a core; chemical dosing and filtering procedures are added, and chemical feeding is performed before the landscape water body enters an air floatation procedure, so that a colloid is destabilized; and filtering is performed after an air floatation procedure, so that pollutants in water are further removed. Due to the adoption of the process and the device, algae in the large-area landscape water body can be removed effectively, the N and P indexes of the water body are lowered, and various suspended matters are removed. Moreover, the process and the device have the characteristic of low cost.
Description
Technical field
The present invention relates to a kind of water technology, specifically relate to a kind of landscape water body treatment process and device thereof.
Background technology
Landscape water body is meant with the water body to be the ecological unit with 26S Proteasome Structure and Function globality at center.Mainly comprise artificial flowing water, landscape pond, fountain essay and cooling water curtain etc.Landscape water body can improve environmental quality, and the rich space environment reduces effects such as floating dust.Along with the fast development of China's urban economy, water quality deterioration phenomenon is in various degree all taking place in city appearance water body water quality.The water pollution spoilage problems that produces must be administered, and forms the landscape water process field thus.Before this, water treatment is divided into two big fields basically:
Clean water treatment: be mainly domestic water, industrial pure water, medical clean water treatment etc., this type water technology can reach drinking-water water purification, industrial pure water standard.Its standard-required is high, and required cost is also high, and is not suitable for the processing of landscape water.General treating processes is for to rise to pending water body within the sand cylinder.Before getting into the sand cylinder, deliver the flocculation medicament, water body and medicament are reacted, add disinfectant respectively and remove the algae medicament through volume pump again through the water after filtering, water outlet gets in the landscape water body again.This processing mode can't effectively be removed N, the P in the water body.
WWT: mainly refer to sanitary sewage disposal, trade effluent, WWT etc., this type water technology though can reach the effluent sewage emission standard, has very big distance with the surface water standard-required.These two types of water technologies differ from one another, and treatment process and technology all break away from the surrounding enviroment influence and carries out.Present most landscape water is handled, and is changed by above-mentioned two big fields.Maintenance for water quality of landscape water mainly comprises methods such as physics, chemistry, physical chemistry combination, biology and ecology etc., and each class methods has it because of cost, and technology, cycle limit have suitability separately.Large-area landscape water body (man-made lake, river) is different from above-mentioned two big types of water fully, because this type of water body is the integral part of periphery nature, human environment, receives natural condition and the mankind's activity influence to it.Such as the eutrophication of water body, algae and mikrobe or the like.Above-mentioned water treatment technology when carrying out the landscape water processing, just exposes the problem that considerable discomfort is used, and its water quality is difficult to reach re-set target.Adopt chemical purification technology and biopurification technology, treat as sewage to landscape water and handle not only complex process, and cost and operation cost are higher.。
Summary of the invention
According to the environmental aspect and the water pollution situation of China, water quality of landscape water worsens, and mainly is by N, the body eutrophication that P causes, the algae that output is a large amount of.Thereby major objective of the present invention selects efficiently a kind ofly exactly, and the technology that cost and operation cost are all cheaper removes the algae in manmade landscape, artificial landscape's water body, reduces N, and the content of P is to keep the water quality of water body.
The present invention's employing is that the landscape water treatment technology and the device of core handled large-area landscape water body with air supporting.Air flotation technology in the engineering of water treatment field and flotation process are quite similar on principle; Mainly be in pending water, to feed a large amount of intensive microbubbles; Itself and impurity particle are adhered to each other; Form the buoyancy aid of proportion, thereby rely on buoyancy to rise to the water surface, pollutant in water is removed less than water.This technology is to the suspended particle of light weight in the water, like algae, plant residue and the tiny colloidal impurity in lake, reservoir and the part rivers water; The dye granule of dyeing; The staple fibre of papermaking, chemical fibre industry; Oil refining, the oil of chemical industry and the droplet of organic solvent etc. have good removal effect.The characteristics of air flotation technology make him remove the algae of eutrophic water body, so reduce water body in N, P content aspect has utilization widely.And the cost cost and the operation cost of this technology are all cheaper.
Yet only use air flotation technology can not prevent alga eruption, the present invention introduces dosing and filters two procedures on pneumatically supported basis.Before landscape water body gets into air flotation pool, make through the dosing flocculation earlier and for the air supporting operation is created good condition, after air supporting, pass through the high efficiency filter unit by elimination of colloid stability, further remove the pollutent in the water.
One of technical scheme of the present invention is achieved in that a kind of landscape water treatment technology, it is characterized in that, its concrete steps are following:
1: be provided with around in the Landscape River zone and block the water device, prevent that water body influences the water body in the Landscape River zone on every side;
2: whether need to select the water body in the emptying Landscape River zone:
If need the water body in the emptying Landscape River zone, then forward step 3 to;
If select to use the water body in the Landscape River zone, then forward step 4 to;
3: the water body in the emptying Landscape River zone, and this zone carried out impermeable processing;
Elder generation after the moisturizing pipeline gets into water treatment device, forwards outer river to step 5;
4: if do not need moisturizing, then landscape water gets into water treatment device through water return pipeline; Forward step 5 to;
The moisturizing pipeline is then opened in moisturizing if desired simultaneously, after joining via the backwater of the landscape water of water return pipeline with via the moisturizing in the outer river of moisturizing pipeline, gets into water treatment device; Forward step 5 to;
5: water treatment device adds flocculation agent to the water body in the access to plant; After the pending water after the dosing got into the flocculation tank reaction, contact chamber, dissolved air flotation device and filtering basin through flocculation, air supporting, were removed algae successively, reduce the content of nitrogen, phosphorus;
6: the treated water body enters Landscape River via outlet conduit.
Two of technical scheme of the present invention is achieved in that a kind of water treatment device of Landscape River, comprising: outlet conduit 1, go out water pump 11, water return pipeline 2, back water pump 21, moisturizing pipeline 3, small pump 31, administration device 4, line mixer 5, air-floating apparatus 6, filtering basin 7; It is characterized in that: said outlet conduit 1 one ends are communicated with filtering basin, and the other end is communicated with Landscape River through going out water pump 11; Said water return pipeline 2 one ends are communicated with Landscape River, and the other end is communicated with air-floating apparatus 6 through back water pump 21 and moisturizing pipeline 3; Said air-floating apparatus 6, said moisturizing pipeline 3 one ends are communicated with outer river, and the other end is communicated with air-floating apparatus 6 through small pump 31 and moisturizing pipeline 3.Said air-floating apparatus 6 is made up of three parts, is respectively flocculation tank 61, contact chamber 62 and air supporting separator 63 Anshun prefaces and forms, and flocculation tank 61 1 ends are connected with moisturizing pipeline 3, and the other end is connected with contact chamber 62; Contact chamber 62 1 ends are connected with flocculation tank 61, and the other end is connected with dissolved air flotation device 63; Dissolved air flotation device 63 1 ends are connected with contact chamber 62, and an end is connected with outlet conduit 1.The output terminal of said administration device 4 is connected with moisturizing pipeline 3.Said line mixer 5 is scurried and is connected on the moisturizing pipeline 3.
The invention has the beneficial effects as follows: adopted the present invention, can effectively remove big area view river in algae, reduce the N of water body, the P index is also removed various suspended substances.And have characteristics with low cost.
Description of drawings
Fig. 1 is the flow process and the structure iron of this landscape water body refining plant.
Specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed description:
A kind of landscape water treatment technology, its concrete steps are following:
1: be provided with around in the Landscape River zone and block the water device, prevent that water body influences the water body in the Landscape River zone on every side;
2: whether need to select the water body in the emptying Landscape River zone:
If need the water body in the emptying Landscape River zone, then forward step 3 to;
If select to use the water body in the Landscape River zone, then forward step 4 to;
3: the water body in the emptying Landscape River zone, and this zone carried out impermeable processing;
Elder generation after the moisturizing pipeline gets into water treatment device, forwards outer river to step 5;
4: if do not need moisturizing, then landscape water gets into water treatment device through water return pipeline; Forward step 5 to;
The moisturizing pipeline is then opened in moisturizing if desired simultaneously, after joining via the backwater of the landscape water of water return pipeline with via the moisturizing in the outer river of moisturizing pipeline, gets into water treatment device; Forward step 5 to;
5: water treatment device adds flocculation agent to the water body in the access to plant; After the pending water after the dosing got into the flocculation tank reaction, contact chamber, dissolved air flotation device and filtering basin through flocculation, air supporting, were removed algae successively, reduce the content of nitrogen, phosphorus;
6: the treated water body enters Landscape River via outlet conduit.
A kind of water treatment device of Landscape River is by outlet conduit 1, go out water pump 11, water return pipeline 2, back water pump 21, moisturizing pipeline 3, small pump 31, administration device 4, line mixer 5, air-floating apparatus 6, filtering basin 7 and constitute; Wherein said outlet conduit 1 one ends are communicated with filtering basin, and the other end is communicated with Landscape River through going out water pump 11; Said water return pipeline 2 one ends are communicated with Landscape River, and the other end is communicated with air-floating apparatus 6 through back water pump 21 and moisturizing pipeline 3; Said moisturizing pipeline 3 one ends are communicated with outer river, and the other end is communicated with air-floating apparatus 6 through small pump 31 and moisturizing pipeline 3.Said air-floating apparatus 6 is made up of three parts, is respectively flocculation tank 61, contact chamber 62 and air supporting separator 63 Anshun prefaces and forms, and wherein flocculation tank (61) one ends are connected with moisturizing pipeline (3), and the other end is connected with contact chamber (62); Contact chamber (62) one ends are connected with flocculation tank (61), and the other end is connected with dissolved air flotation device (63); Dissolved air flotation device (63) one ends are connected with contact chamber (62), and an end is connected with outlet conduit (1).。The output terminal of said administration device 4 is connected with moisturizing pipeline 3.Said line mixer 5 is scurried and is connected on the moisturizing pipeline 3.
As shown in Figure 1, pending Landscape River water body is through return water pipe 2, by back water pump 21 pressurizations; Simultaneously, moisturizing if desired, then moisturizing is converged with backwater by small pump 31 pressurization backs through filling pipe 3; Flocculation agent in that pipe-line blending adds through administration device 4 gets into air-floating apparatus 6 after line mixer 5 mixes, at first carry out flocculation reaction at flocculation tank 61; Advanced contact chamber 62 again and carry out the air supporting processing, and in dissolved air flotation device 63, removed the gred once more, this series reaction is removed the algae among the water body; And reduce the content of nitrogen, phosphorus, after filtering basin 7 further filtered pollutant in water, treated water was through going out water pump 11 pressurizations again; Get into rising pipe 1, to river course each point distribution water outlet, thus the circulation of completion moisturizing and interior river.In the present embodiment, the air flotation pool size is 9400mm * 5000mm * 1500mm, and dissolving the gas reflux ratio is 10%-20%, and the air flotation separating chamber surface load is 5.4-9.0m3/ (m2h), and the residence time is 15min.The air flotation pool flow rate of water flow is controlled at 0.1m/s.The contact chamber residence time is greater than 60s.
At first two retaining dams are set in engineering water body upstream and downstream; To avoid upstream and downstream that water quality of landscape water is exerted an influence; Use then and adopt with the treat mechanically technology of air supporting as core, internally river carries out the circularly purifying processing, and water is clarified fast; And remove algae, reduce nitrogen, phosphorus content.According to research and long-term practical experience, the circular treatment cycle of general landscape water body was good at 3-9 days.In this project, the landscape water body Total Water is about 33000 cubic metres, adopts 5.5 days as the processing cycle, and end is provided with a cover treatment facility in the west, river course, and processing power is 250m3/h.Utilize this complete equipment, can handle make up water simultaneously.Consider summer maximum daily evaporation amount by 10mm (not considering the moisturizing effects of precipitation), the river course carries out that leakage is zero behind the complete seepage control measure, and the greening irrigation water does not adopt Landscape River water.Then a day total evaporation is 0.01 * 8250=82.5 cube.Consider moisturizing in 10 days once, additional finishing about 8 hours, then design discharge is 100m3/h.Adjustment flocculation basin position of opening is for good flow condition is created in flocculation.Datedrawn: on July 1st, 2009; Sampling position: Yixing Chang Qiaohe.Longbridge treated water in the river at the outlet, outlet center and the outer two groups Jiu river water samples and sent to the environmental monitoring station testing, this, three points were sampled at a sampling point # Longbridge river water treatment two between the outlet, 2 # point is located in the treated water outlet, 3 # point for foreign corporations Jiu River, through testing, quality points are as follows:
Show each dry point water quality condition
By the analysis results, the outer group Jiu river water quality is poor, especially the eutrophication phenomenon is more serious.Wherein ammonia nitrogen, total phosphorus and total nitrogen index are in surface water IV class, V class and bad V class level respectively.After process dosing air-bearing water purification device was handled, the water quality of relief outlet position and river course downstream position all had clear improvement, and other indexs all can reach surface water IV class standard except that total phosphorus.
Claims (5)
1. a landscape water treatment technology is characterized in that, its concrete steps are following:
(1): be provided with around in the Landscape River zone and block the water device, prevent that water body influences the water body in the Landscape River zone on every side;
(2): whether need to select the water body in the emptying Landscape River zone:
If need the water body in the emptying Landscape River zone, then forward step 3 to;
If select to use the water body in the Landscape River zone, then forward step 4 to;
(3): the water body in the emptying Landscape River zone, and this zone carried out impermeable processing;
Elder generation after the moisturizing pipeline gets into water treatment device, forwards outer river to step 5;
(4): if do not need moisturizing, then landscape water gets into water treatment device through water return pipeline; Forward step 5 to;
The moisturizing pipeline is then opened in moisturizing if desired simultaneously, after joining via the backwater of the landscape water of water return pipeline with via the moisturizing in the outer river of moisturizing pipeline, gets into water treatment device; Forward step 5 to;
(5): water treatment device adds flocculation agent to the water body in the access to plant; After the pending water after the dosing got into the flocculation tank reaction, contact chamber, dissolved air flotation device and filtering basin through flocculation, air supporting, were removed algae successively, reduce the content of nitrogen, phosphorus;
(6): the treated water body enters Landscape River via outlet conduit.
2. the water treatment device of a Landscape River comprises: outlet conduit (1), go out water pump (11), water return pipeline (2), back water pump (21), moisturizing pipeline (3), small pump (31), administration device (4), line mixer (5), air-floating apparatus (6), filtering basin (7); It is characterized in that: said outlet conduit (1) one end is communicated with filtering basin, and the other end is communicated with Landscape River through going out water pump (11); Said water return pipeline (2) one ends are communicated with Landscape River, and the other end is communicated with air-floating apparatus (6) through back water pump (21) and moisturizing pipeline (3); Said moisturizing pipeline (3) one ends are communicated with outer river, and the other end is communicated with air-floating apparatus (6) through small pump (31) and moisturizing pipeline (3).
3. Landscape River water treatment device as claimed in claim 2; It is characterized in that; Said air-floating apparatus (6) is made up of flocculation tank (61), contact chamber (62) and air supporting separator (63) three parts in proper order; Flocculation tank (61) one ends are connected with moisturizing pipeline (3), and the other end is connected with contact chamber (62); Contact chamber (62) one ends are connected with flocculation tank (61), and the other end is connected with dissolved air flotation device (63); Dissolved air flotation device (63) one ends are connected with contact chamber (62), and an end is connected with outlet conduit (1).
4. Landscape River water treatment device as claimed in claim 2 is characterized in that, the output terminal of said administration device (4) is connected with moisturizing pipeline (3).
5. Landscape River water treatment device as claimed in claim 2 is characterized in that, said line mixer (5) is scurried and is connected on the moisturizing pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110407059.9A CN102491558B (en) | 2011-12-09 | 2011-12-09 | Landscape water treatment process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110407059.9A CN102491558B (en) | 2011-12-09 | 2011-12-09 | Landscape water treatment process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102491558A true CN102491558A (en) | 2012-06-13 |
| CN102491558B CN102491558B (en) | 2014-01-01 |
Family
ID=46183429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110407059.9A Active CN102491558B (en) | 2011-12-09 | 2011-12-09 | Landscape water treatment process and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102491558B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786170A (en) * | 2012-08-13 | 2012-11-21 | 北京市环境保护科学研究院 | Landscape water treatment method |
| CN104276706A (en) * | 2014-10-09 | 2015-01-14 | 常州大学 | Water purifying device and water purifying method for riverway |
| CN104803553A (en) * | 2015-04-13 | 2015-07-29 | 深圳市城基园林发展有限公司 | Landscape water treatment technology |
| CN105084588A (en) * | 2015-08-03 | 2015-11-25 | 南京妙境天地环境科技有限公司 | Floating type water treatment device, water treatment method and backwashing method of floating type water treatment device |
| CN105541022A (en) * | 2015-12-30 | 2016-05-04 | 聚光科技(杭州)股份有限公司 | Advanced purification method for enclosed water area |
| CN110078257A (en) * | 2019-05-14 | 2019-08-02 | 上海斐晟企业管理有限公司 | A kind of large-scale closing static landscape water body processing method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376532A (en) * | 2007-08-31 | 2009-03-04 | 中国石油天然气股份有限公司 | Low temperature oil-contaminated water processing method |
| CN101870530A (en) * | 2009-04-22 | 2010-10-27 | 北京新金应利科技发展有限公司 | Method for treating and recycling circulating wastewater |
| CN102107968A (en) * | 2011-01-20 | 2011-06-29 | 山东建筑大学 | Water purification system and water purification method of flotation filter tank |
-
2011
- 2011-12-09 CN CN201110407059.9A patent/CN102491558B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376532A (en) * | 2007-08-31 | 2009-03-04 | 中国石油天然气股份有限公司 | Low temperature oil-contaminated water processing method |
| CN101870530A (en) * | 2009-04-22 | 2010-10-27 | 北京新金应利科技发展有限公司 | Method for treating and recycling circulating wastewater |
| CN102107968A (en) * | 2011-01-20 | 2011-06-29 | 山东建筑大学 | Water purification system and water purification method of flotation filter tank |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786170A (en) * | 2012-08-13 | 2012-11-21 | 北京市环境保护科学研究院 | Landscape water treatment method |
| CN104276706A (en) * | 2014-10-09 | 2015-01-14 | 常州大学 | Water purifying device and water purifying method for riverway |
| CN104803553A (en) * | 2015-04-13 | 2015-07-29 | 深圳市城基园林发展有限公司 | Landscape water treatment technology |
| CN105084588A (en) * | 2015-08-03 | 2015-11-25 | 南京妙境天地环境科技有限公司 | Floating type water treatment device, water treatment method and backwashing method of floating type water treatment device |
| CN105541022A (en) * | 2015-12-30 | 2016-05-04 | 聚光科技(杭州)股份有限公司 | Advanced purification method for enclosed water area |
| CN110078257A (en) * | 2019-05-14 | 2019-08-02 | 上海斐晟企业管理有限公司 | A kind of large-scale closing static landscape water body processing method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102491558B (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102092900B (en) | Method for treating micro polluted water by using biological nitrogen removal and physicochemical enhanced phosphorus removal combined process | |
| CN102491558B (en) | Landscape water treatment process and device | |
| CN202881048U (en) | Multi-medium constructed wetland water treatment system | |
| CN104649519B (en) | Sewage-treatment plant that Biology-iron technology combines with anaerobism MBR method and method | |
| CN105645675A (en) | Urban black foul river/lake water body water quality high-efficiency purification technique | |
| CN105693037B (en) | A kind of process system and method for eutrophication water deep purifying | |
| CN105366877A (en) | Sewage treatment device integrating coagulation, sedimentation and filtration | |
| CN103803762A (en) | Organic composite soil high-efficiency ecological water purification system | |
| CN112830635B (en) | Physical, chemical and biological combined treatment device and method for acidic wastewater | |
| CN103708671A (en) | Multi-medium constructed wetland water treatment system and treatment method thereof | |
| CN102056673A (en) | Hydrocyclone flotation system and water pollution prevention system equipped with the same | |
| CN106007181A (en) | Tidal mixed flow constructed wetland system and sewage treatment method | |
| CN201433155Y (en) | Processing and combing device for scattering and discharging domestic sewage | |
| CN207347366U (en) | A kind of removable miniature river except black deodoration system | |
| CN106396264A (en) | Artificial wetland sewage treatment system capable of preventing blockage | |
| CN108975599A (en) | Reed wetland sewage purification system and effluent purification method | |
| CN202099169U (en) | Device for advanced treatment of secondary effluent in municipal sewage plant | |
| CN202297300U (en) | Cleaning system for elution and in situ replacement of polluted water sediments | |
| CN218478654U (en) | Artificial wetland treatment system for micro-polluted rivers | |
| CN110642417A (en) | Rural sewage collecting, purifying and utilizing method and rural sewage collecting and purifying system | |
| CN206799375U (en) | A kind of river course high-efficiency water purifying treatment device | |
| CN104891750A (en) | Rural decentralized-wastewater integrated micro-dynamic ecological treatment device | |
| CN205473253U (en) | Pharmacy sewage treatment plant | |
| CN210505829U (en) | Drainage basin water sewage treatment system | |
| CN115124160A (en) | Riverway water quality bypass purification treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUADONG ARCHITECTURE DESIGN + RESEARCH INST CO., L Free format text: FORMER OWNER: SHANGHAI XIAN DAI ARCHITECTURAL DESIGN (GROUP) CO., LTD. Effective date: 20140416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: 200041 Jingan District Road, Shimen, No. two, No. 258, Shanghai Patentee after: East China Architectural Design & Research Institute Co., Ltd. Address before: 200041 Jingan District Road, Shimen, No. two, No. 258, Shanghai Patentee before: Shanghai Xiandai Archtectural Design (Group) Co., Ltd. |