CN105541022A - Advanced purification method for enclosed water area - Google Patents
Advanced purification method for enclosed water area Download PDFInfo
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- CN105541022A CN105541022A CN201511019600.3A CN201511019600A CN105541022A CN 105541022 A CN105541022 A CN 105541022A CN 201511019600 A CN201511019600 A CN 201511019600A CN 105541022 A CN105541022 A CN 105541022A
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- water
- enclosed
- deep
- enclosed waters
- purifying method
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides an advanced purification method for an enclosed water area. The method comprises the following steps: (A1) water drawing step, namely water is drawn from at least two water drawing positions in the enclosed water area and is delivered to a coagulating basin, wherein the water drawing positions are located in the bottom of the enclosed water area, and water flows from a water distribution position to the water drawing positions; (A2) purification step, namely colloid and suspended solids in the water are coagulated into a flocculating constituent in the coagulating basin under the action of water and a coagulating agent, bubbles having a diameter of 1-10mu m are introduced into the water, and foam or scummings are formed on the water surface; water without foam or scummings flows through a filter material, the filter material is compacted, suspending solids in the water are entrapped, and a reactive bio-film is formed on the surface of the filter material; and (A3) water distribution step, namely the purified water is returned to the water distribution position of the enclosed water area, and the water distribution position is located in the upper part of the enclosed water area. The method has the advantages of low operation cost, high efficiency and the like.
Description
Technical field
The present invention relates to Water warfare, the deep-purifying method of particularly enclosed waters.
Background technology
In the process of urban formation and development, urban river is as important resources and environment carrier, and be related to city existence, govern urban development, is the important factor affecting Urban style and beautifying urban environment.China's urban river blackening is fouled, and algae reproduction phenomenon is on the rise.According to investigations, China's city river nearly 50% is subject to pollution in various degree, carries out improvement reparation to these river water bodies, be socio-economic development and urban look, improvement of the ecological environment in the urgent need to.China's city river water pollution mainly comprises nutrition and Organic pollutants two aspects such as nitrogen phosphorus, and the source more complicated of pollutent, and existing natural source has again artificial source, and existing exogenously have endogenous again.
The mode of current such water body of improvement is mainly divided into Physical, chemical method and ecology-biological process.Physical mainly comprises diversion erosion and deposition and (guides the water quality carrying out river training water into exterior clean water source, the method has available clean water source near not only requiring, and do not preponderate in residence time control, diversion traffic organising, energy consumption), cut dirty pollution treatment and (discharge again after referring to the sewage collecting originally directly entering city river water body to process to sewage work, the shortcoming of the method is in the Residential areas of comparing dispersion, do not cut a dirt and receive pipe facility, and also need to take other technique to repair to the black and odorous water originally having produced pollution); Chemical method mainly refers to utilize the pollutent in chemical agent removal water, in water, such as add different types of novel high polymer synthesis medicament remove pollutent in water body, the Application comparison of this kind of method is applicable to emergency processing, not too applicable to setting up long-term ecotope; Ecology-biological process mainly comprises the technology such as biomembrance process, aquatic plant system, bacteria agent, river aeration, bio operon, and ecology-biological process is a kind of means very friendly to environment, but only relies on a kind of this method, and the cycle of needs is very long.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of deep-purifying method of enclosed waters, effectively improve the water quality of the contaminated water body of the relative closure such as inland river, inland lake, while purification black and odorous water, help it to recover the self-purification capacity of water body, build a good ecotope.
The object of the invention is to be achieved through the following technical solutions:
A deep-purifying method for enclosed waters, the deep-purifying method of described enclosed waters comprises the following steps:
(A1) water intaking step: fetch water from the water intaking position of enclosed waters, and send coagulation basin, dry point is at least two; Described water intaking position is in the bottom of enclosed waters, and water is from water distribution position to the flowing of water intaking position;
(A2) purifying step: in coagulation basin, water and coagulating agent effect, make the colloid in water and suspended substance be condensed into flocs unit;
Xiang Shuizhong passes into bubble, and the diameter of bubble is 1-10 μm, and the water surface is formed with foam or scum silica frost;
Remove the water of described foam or scum silica frost by filtrate, filtrate is compacted, and in water, suspended substance is trapped; Filter material surface has active biological film;
(A3) water distribution step: the water through purifying sends the water distribution position of described enclosed waters back to, and described water distribution position is in the top of described enclosed waters.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, described coagulating agent is PAC, PAM.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, described water intaking position is not more than 0.5m to water-bed distance.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, described moisturizing position is in the water surface.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, the distance between water intaking position is 1-2m, and water intaking velocity in pipes is 0.5-1m/s.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, the distance between water distribution position is 1-2m, and water distribution velocity in pipes is 0.5-1m/s.
According to the deep-purifying method of above-mentioned enclosed waters, preferably, the waters plantation waterplant between described moisturizing position and water intaking position.
Compared with prior art, the beneficial effect that the present invention has is:
Very poor, the easy blackening fouling of water quality of waters mobility relatively closed for city inland river, lake etc., recovery project are difficult to features such as carrying out, effect difficulty manifests, and the property of the present invention is directed to proposes solution, and the program reaches:
Make use of water intaking and being provided separately of water distribution cleverly, the popularity of water body is recovered in closed/semi-enclosed waters, in conjunction with the disturbance (be equivalent to plug-flow effect) of water distribution system to water body, add the dissolved oxygen concentration of water body, after long-time running, the dissolved oxygen concentration of water body can reach more than 2mg/l;
Good purification, instant effect, to surrounding enviroment non-secondary pollution (stink, noise, danger are useless); Adopt highly effective coagulation+pneumatically supported pretreatment technology, compared with traditional coagulating sedimentation, chemical feeding quantity reduces more than 50%, outlet effect than independent coagulation-settlement process or air-float technology better, more stable;
Be particularly suitable for the waters mobility such as city inland river/inland lake poor, take up an area more nervous region, not only can promote water quality in the short period of time, it is very low that equipment takes up an area requirement, and average ton water takes up an area to require to be about 0.1m2.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art it is easily understood that: these accompanying drawings only for illustrating technical scheme of the present invention, and and are not intended to be construed as limiting protection scope of the present invention.In figure:
Fig. 1 is the schema of the deep-purifying method of enclosed waters according to the embodiment of the present invention.
Embodiment
Fig. 1 and following description describe Alternate embodiments of the present invention and how to implement to instruct those skilled in the art and to reproduce the present invention.In order to instruct technical solution of the present invention, simplifying or having eliminated some conventional aspects.Those skilled in the art should understand that the modification that is derived from these embodiments or replace will within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present invention in every way.Thus, the present invention is not limited to following Alternate embodiments, and only by claim and their equivalents.
Embodiment:
Fig. 1 schematically illustrates the schema of the deep-purifying method of the enclosed waters of the embodiment of the present invention, and as shown in Figure 1, the deep-purifying method of described enclosed waters comprises the following steps:
(A1) water intaking step: dry point is evenly arranged in enclosed waters (as city inland river, inland lake), spacing looks process water yield difference, control between 1-2m, in intake pipe, flow rate control is between 0.5-1m/s, intake is dried up, and end height is not more than 0.5m (intake entirety is positioned at the bottom of the depth of water), utilize water pump, polluted water body is promoted to the coagulation basin of river bank;
(A2) purifying step, is specially:
Highly effective coagulation: containing a large amount of colloidalmaterial and fine suspension matter in polluted water body, under the effect of coagulating agent, the colloid in water body and fine suspension are condensed into flocs unit, due to follow-up employing efficient air-floating, significantly can reduce chemical feeding quantity, improve coagulation efficiency;
Efficient air-floating: introduce a large amount of micro-bubble in sewage, the diameter of bubble is 1-10 μm, by the interaction of surface tension and particulate matter, it is made to stick on suspended particle through complex processes such as absorption, flocculation and ydrodynamicses, form the floss that proportion is less than 1, float on the water surface, form foam or scum silica frost, thus the suspended substance in water is separated.The feature of efficient air-floating is that the available depth of air flotation pool controls between 0.5-0.8m (traditional pneumatically supported available depth is 2-3m), and the equipment saved to a great extent takes up an area, and improves daf efficiency.Efficient air-floating can be out of the water most colloidalmaterial in body, suspended substance, algae, oils, also can go out the pollution substances such as part COD, ammonia nitrogen, phosphorus;
Biological filter: be filled with a certain amount of filtrate in BAF, filter material surface grows highly active microbial film, during operation, the inner aeration in filter tank.Effluent stream through time, the oxidative degradation ability of the high-activity biological film utilizing high-specific surface area filtrate to bring, carries out fast purification to sewage, and this is Oxidative Degradation Process; Meanwhile, flowing water process, filtrate becomes compaction state, retains suspended substance in sewage, guarantees that the aging microbial film come off does not drift out with current, and this is for filtering obstruction process; Run after for some time, head loss can increase, and need carry out back flushing to filter tank, and to discharge the suspended substance that retains and to upgrade microbial film, this is backwash process.The pollution substances such as most COD, ammonia nitrogen, phosphorus can be removed in biological filter;
(A3) water distribution step: filter tank water outlet directly enters river course/lake, cloth water spot in inland river/lake opposite side evenly arranges, spacing looks process water yield difference, control between 1-2m, in water distributor, flow rate control is between 0.5-1m/s, water distribution system is arranged on water surface, is conducive to the circulation of water surrounding and the increase of dissolved oxygen;
In above-mentioned deep-purifying method, between cloth water spot and dry point, plant waterplant: on the one hand, utilize the water quality purification function of waterplant, rectification water lift weight can be promoted to a certain extent, set up the fairly perfect ecosystem, the effect of view can be played on the other hand;
In city inland river or inland lake, waters is relatively closed, mobility is very poor, utilize water intaking and being provided separately of water distribution, the directed flow of water body can be formed, from the flowing of water outlet one lateral intake side, such setting adds the dissolved oxygen concentration (dissolved oxygen concentration is greater than 2mg/l) in water;
Be according to the benefit that the embodiment of the present invention reaches: 1. eliminate the materials such as most suspended substances in water body, oils, algae, make water body on sense organ, become very limpid, increase the transparence of water body, be conducive to the growth of waterplant, be beneficial to the recovery of the ecosystem; 2. remove the material such as organism, nitrogen, phosphorus accumulative in black and odorous water fast, make the pollution substance in water body be reduced to a normal level, only rely on the self-purification capacity of self, just can maintain water body clean, limpid; 3. increase the mobility of closed/semi-enclosed water body, increase the dissolved oxygen concentration in water body to a certain extent, under field conditions (factors), set up the stable ecosystem; 4. cultivate the waterplant of some amount, not only can play waterplant water quality purification function, river course can also be made more attractive in appearance.
Claims (7)
1. a deep-purifying method for enclosed waters, the deep-purifying method of described enclosed waters comprises the following steps:
(A1) water intaking step: fetch water from the water intaking position of enclosed waters, and send coagulation basin, dry point is at least two; Described water intaking position is in the bottom of enclosed waters, and water is from water distribution position to the flowing of water intaking position;
(A2) purifying step: in coagulation basin, water and coagulating agent effect, make the colloid in water and suspended substance be condensed into flocs unit;
Xiang Shuizhong passes into bubble, and the diameter of bubble is 1-10 μm, and the water surface is formed with foam or scum silica frost;
Remove the water of described foam or scum silica frost by filtrate, filtrate is compacted, and in water, suspended substance is trapped; Filter material surface has active biological film;
(A3) water distribution step: the water through purifying sends the water distribution position of described enclosed waters back to, and described water distribution position is in the top of described enclosed waters.
2. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: described coagulating agent is PAC, PAM.
3. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: described water intaking position is not more than 0.5m to water-bed distance.
4. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: described moisturizing position is in the water surface.
5. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: the distance between water intaking position is 1-2m, and water intaking velocity in pipes is 0.5-1m/s.
6. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: the distance between water distribution position is 1-2m, and water distribution velocity in pipes is 0.5-1m/s.
7. the deep-purifying method of enclosed waters according to claim 1, is characterized in that: the waters plantation waterplant between described moisturizing position and water intaking position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019600.3A CN105541022A (en) | 2015-12-30 | 2015-12-30 | Advanced purification method for enclosed water area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511019600.3A CN105541022A (en) | 2015-12-30 | 2015-12-30 | Advanced purification method for enclosed water area |
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| CN105541022A true CN105541022A (en) | 2016-05-04 |
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| CN201511019600.3A Pending CN105541022A (en) | 2015-12-30 | 2015-12-30 | Advanced purification method for enclosed water area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037730A (en) * | 2017-04-14 | 2017-08-11 | 聚光科技(杭州)股份有限公司 | Remove the automation pretreatment unit and method of pollutant and suspended particulate substance in water body |
| CN108423932A (en) * | 2018-03-22 | 2018-08-21 | 中电建水环境治理技术有限公司 | River water body water purification system |
| CN110526323A (en) * | 2019-09-19 | 2019-12-03 | 杭州盛吉金属塑料有限公司 | A kind of collection method of cyanobacteria |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318758A (en) * | 2008-05-16 | 2008-12-10 | 北京工业大学 | Air-float and bio-filter combined water treatment process |
| CN102491558A (en) * | 2011-12-09 | 2012-06-13 | 上海现代建筑设计(集团)有限公司 | Landscape water treatment process and device |
| 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 |
-
2015
- 2015-12-30 CN CN201511019600.3A patent/CN105541022A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318758A (en) * | 2008-05-16 | 2008-12-10 | 北京工业大学 | Air-float and bio-filter combined water treatment process |
| CN102491558A (en) * | 2011-12-09 | 2012-06-13 | 上海现代建筑设计(集团)有限公司 | Landscape water treatment process and device |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037730A (en) * | 2017-04-14 | 2017-08-11 | 聚光科技(杭州)股份有限公司 | Remove the automation pretreatment unit and method of pollutant and suspended particulate substance in water body |
| CN108423932A (en) * | 2018-03-22 | 2018-08-21 | 中电建水环境治理技术有限公司 | River water body water purification system |
| CN110526323A (en) * | 2019-09-19 | 2019-12-03 | 杭州盛吉金属塑料有限公司 | A kind of collection method of cyanobacteria |
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Application publication date: 20160504 |
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