CN102126783A - Method and device for repairing micro-polluted opening water bodies - Google Patents
Method and device for repairing micro-polluted opening water bodies Download PDFInfo
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- CN102126783A CN102126783A CN2010106181110A CN201010618111A CN102126783A CN 102126783 A CN102126783 A CN 102126783A CN 2010106181110 A CN2010106181110 A CN 2010106181110A CN 201010618111 A CN201010618111 A CN 201010618111A CN 102126783 A CN102126783 A CN 102126783A
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- 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
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- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention relates to the field of water body repair, and relates to a method and a device for repairing micro-polluted opening water bodies. Water passes through filling units suspended in the water bodies by utilizing a solar water body circulating and reoxygenation system, so that pollutants in the water are degraded by utilizing fillings in the filling unit; and biological contact oxidation modules are distributed around the solar water body circulating and reoxygenation system, and each biological contact oxidation module is formed by connecting a floating marker, at least one filling unit and a counter-balanced object. The device of the invention is put in the opening water bodies such as lakes, reservoirs and the like for purifying water quality and repairing the water bodies; and in the device and the method, the pollutants have the high degradation efficiency by utilizing the conventional biological contact oxidation technology, the cost of the method is lower than that of other in-situ biological carrier repair technologies greatly, the solar technology is combined as green energy to provide the optimum condition of water body flowability, so the method and the device have obvious technical significance and application value on the in-situ repair of the opening water bodies such as the lakes, the reservoirs and the like under the micro-pollution condition.
Description
Technical field
The present invention relates to water body and repair the field, the open water body restorative procedure of particularly a kind of little pollution also relates to the open water body prosthetic device of a kind of little pollution.
Background technology
At present, because water surrounding has been subjected to pollution in various degree, a lot of lakes of China, reservoir (comprising the waterhead area reservoir) are being faced with serious eutrophication problem, directly threaten the Urban water supply water quality safety.In the water bodys such as the lake that has its source in of eutrophication problem, reservoir, there are pollutents such as nitrogen, phosphorus, organism.In recent years, strengthened research both at home and abroad, and developed various water bodies original position repair vector, but these carriers are used less on open water bodys such as lake, reservoir because of reason such as costing an arm and a leg body eutrophication and water body recovery technique.
Conventional bio-contact oxidation water technology is to use multiple water treatment filler or filtrate, utilizes the microbial film of growing on these fillers or the filtrate, reaches the purpose of degradation of contaminant.Such technology has obtained more widely to use in town sewage and Industrial Wastewater Treatment engineering, particularly for the higher town sewage of Pollutant levels and the processing of trade effluent.In giving water treatment, the bio-contact oxidation water technology also at home some zone be applied in the biological pre-treatment process.It is advantageous that the microbial film of accompanying growth on filler or the filtrate, its microbial population is rational in infrastructure, adaptability strong, biomass is bigger, so the efficient of degradation of contaminant is higher.With the employed applying filler of conventional bio-contact oxidation technology in the lake, the original position reparation of open water body such as reservoir, then be expected to realize the water quality reparation and the ecological recovery of these water bodys with lower cost.
Current, employed filler of conventional bio-contact oxidation technology or filtrate still are not applied in the open water body, and its reason is: when these fillers or filtrate were applied in the structures, it was fixed and biofilm is controlled easily; And in open water body, those skilled in the art are difficult to expect how using these conventional filler or filtrates.
In addition, the development of China's heliotechnics at present is comparative maturity, also there is the investigator to be translated into motivating force and is applied to water body circulation and reoxygenation, and there is the product of such intellecture property to occur, the patent No. is 200810022870.3, and patent name discloses a kind of equipment that the surface water water surface circulates and carries out the filtration-biochemical treatment of water water body that is positioned over for the Chinese patent application of " surface water comprehensive water processor ".But the water treatment capacity of this equipment and efficient are very limited, and is more limited for the effect of degradation of contaminant.
Summary of the invention
In order to overcome the above problems, to the invention provides a kind of bio-contact oxidation module that adopts semi-fixed type and combine with circulation of sun power water body and reoxygenation system and carry out the method that little pollution opening water body is repaired.Conventional water treatment filler or filtering media application are opened in the water body in lake, reservoir etc., and combine with sun power water body circulation and reoxygenation system, utilize sun power water body circulation and reoxygenation system to the circulation of water body, separate layer and reoxygenation effect, improve of the water quality repair of bio-contact oxidation technology comprehensively, thereby construct a kind of micropollutant water repair process of novelty micropollutant water.
The present invention also provides little pollution of using in a kind of aforesaid method open water body prosthetic device.
The present invention is achieved by the following measures:
The open water body restorative procedure of a kind of little pollution utilizes circulation of sun power water body and reoxygenation system to make the water motion through being suspended in the filler unit in the water body, utilizes the pollutent in the filler degradation water in the filler unit.
Described filler unit is connected with the mass that sinks to the bottom.
The open water body prosthetic device of a kind of little pollution, comprise the circulation of sun power water body and the reoxygenation system that are fixed in the open water body, it is characterized in that several bio-contact oxidation modules that around circulation of sun power water body and reoxygenation system, distributing, described bio-contact oxidation module is formed by connecting by floating marker, 1 filler unit and mass successively at least, and filler is a polymer carrier in the described filler unit.
Distance 〉=4m between the mass of adjacent bio-contact oxidation module, the distance between the adjacent filler unit is 40-80cm.
Distance between bio-contact oxidation module and circulation of sun power water body and the reoxygenation system is 40-70m.
Circulation of sun power water body and reoxygenation system comprise the solar panel that is positioned on the water surface, the energy transmission device that is positioned at undersurface water screw and connection solar panel and water screw;
Water screw below is provided with the water pipe that an internal diameter is placed greater than water screw, perpendicular to the water body bottom surface.
Water pipe is 0.5-1.5m apart from the distance of water body bottom surface, and a splash pan is set under the water pipe, and splash pan is fixed on the water body bottom surface.
The water pipe middle part is provided with the prosopyle.
The invention has the beneficial effects as follows:
1, device of the present invention is positioned in the open water body such as lake, reservoir, thereby playing the effect that purifies water, repairs water body, is that a kind of initiative conventional bio-contact oxidation technology is combined with heliotechnics is applied to the processing method that micropollutant water is repaired;
2, both utilized the conventional bio-contact oxidation technology degradation efficiency higher to pollutent, make its cost be significantly less than other biology in situ carrier recovery techniques again, and solved the problem of in open water body, using conventional water treatment filler or filtrate by semi-fixed type module of the present invention, also combine heliotechnics and provide the best mobile condition of water body as green energy resource, original position reparation for open water body such as the lake that is in little pollution situation, reservoir has significant technical meaning and using value.
Description of drawings
Accompanying drawing 1 is apparatus of the present invention structural representation.
Among the figure, 1, sun power water body circulation and reoxygenation system, 2, filler unit, 3, mass, 4, floating marker, 5, water pipe, 6, splash pan.
Arrow is represented water (flow) direction among the figure.
Embodiment
Below in conjunction with embodiment method of the present invention and device are further specified.
1, filler is selected and the monomeric making of filler
The filler monomer is selected water treatments such as polypropylene, polyethylene polymer carrier commonly used, the monomer whose machining shape can be water treatment filler common shape such as multiple-blade spheroidal, hollow, cylindrical, irregular shape, its proterties can be elasticity, half elasticity, water treatment filler proterties commonly used such as soft, its individual configurations can be dispersive filler monomer or become combined stuffing by a plurality of filler set of monomers that the scope of its physical dimension is 0.005m ~ 0.5m.The filler real density must be less than or equal to water density (promptly≤1.0g/cm
3).Adopt fixed system to carry out modular pre-fixing the filler monomer of above-mentioned processing and fabricating by some amount, make filler unit (2).
2, the making of bio-contact oxidation module
Use wire to connect into the filler unit group several filler units (2), the two ends of each filler unit group connect mass (3) and floating marker (4), finally form the bio-contact oxidation module.Wherein, mass (3) can be the weight that grass planting brick, building brick, stone, precast concrete block, anchor etc. can play the bottom fixed action, its proterties can be square, circular and other are irregularly shaped, its density must greater than the density of water (promptly＞1.0g/cm
3), its quality determines that according to concrete working conditions concrete mass range is 1kg ~ 100kg.Floating marker (4) can be that foam ball, plastics fishing net float etc. and to play object floating and the sign effect, and its shape can be square, circular and other are irregularly shaped, its density must less than the density of water (promptly＜1.0g/cm
3), its size determines that according to concrete working conditions concrete size range is 0.05 ~ 1.0m.
3, the fabrication and installation of the open water body prosthetic device of little pollution
Circulation of sun power water body and reoxygenation system (1) is fixed with anchoring, circulation of sun power water body and reoxygenation system (1) comprise the solar panel that is positioned on the water surface, the energy transmission device that is positioned at undersurface water screw and connection solar panel and water screw, the heat that energy transmission device is collected solar panel is converted into kinetic energy, be delivered to water screw, make water screw can continue to rotate.
In order to improve the current mass-transfer efficiency of circulation of sun power water body and reoxygenation system (1), one water pipe (5) is set below water screw, the internal diameter of water pipe (5) is greater than the size of water screw, water pipe (5) is placed perpendicular to the water body bottom surface, when water screw rotates, forms low pressure in water pipe (5), because the pressure difference that water pipe (5) is inside and outside, water is pressed into water pipe, thereby forms the circulation of current, has played water body round-robin purpose.It is fixed that the length of water pipe (5) is come according to the degree of depth of water body, general terminal at 0.5-1.5m place, distance water body bottom surface.Silt with the bottom when preventing that water body from flowing takes up, and a splash pan (6) is set under water pipe (5), and splash pan (6) is fixed on the water body bottom surface, and size is greater than water pipe (5) external diameter.
Further, the prosopyle is set at water pipe (5) middle part in order to improve the current mass-transfer efficiency.
The bio-contact oxidation module that step 2 is made drops in the water body, is distributed in circulation of sun power water body and reoxygenation system (1) on every side.Mass (3) sinks under water, and filler unit (2) is suspended in the water body, and floating marker (4) swims on the water surface.In order to prevent to twine between the bio-contact oxidation module, so when putting into water, the distance 〉=4m between the control mass (3).Distance between bio-contact oxidation module and circulation of sun power water body and the reoxygenation system (1) is 40-70m.The concrete arrangement form of bio-contact oxidation module can be that circle, rectangle, square, fan-shaped, camber line shape or other are irregularly shaped, and repairing the mass transfer condition that the bio-contact oxidation module obtains best pollutent and oxygen etc. with water body in-situ is principle.
The installation of circulation of bio-contact oxidation module and sun power water body and reoxygenation system: when being applied to open water body such as lake, reservoir, filler unit (2) can be suspended in the water body according to the different depth of waters.The present invention is used in combination it with circulation of sun power water body and reoxygenation system.Selecting for use according to concrete working conditions of the circulation of sun power water body and reoxygenation system (1) specification and model determines that using priciple is: make above-mentioned bio-contact oxidation module obtain the mass transfer condition of best pollutent and oxygen etc.In the target water body, the usage quantity of bio-contact oxidation module and circulation of sun power water body and reoxygenation system, combination water body pollution situation and management goal are foundation with Theoretical Calculation and practical experience; The layout latticed form of bio-contact oxidation module is a foundation with Theoretical Calculation, water body flow characteristics and practical experience, arranges that specifically latticed form can be that rectangle, square, fan-shaped, camber line shape and other are irregularly shaped.The corresponding arrangement form of circulation of sun power water body and reoxygenation system, the mass transfer condition that obtains best pollutent and oxygen etc. with the bio-contact oxidation module is a principle.Below with its effect of case introduction.
Application examples 1
1, use the waters: use in the checking of drinking water source ground, Jinan City reservoir, the whole storage capacity of reservoir is about 4,000 ten thousand cubes, and average depth is about 6 meters
2, Zhuan Zhi making and installation:
In the depth of water is that a water body circulation of cover sun power and a reoxygenation system is installed in the waters of 6m, and length of pipe is selected 4m, the water-bed 1m of distance.
Select stacking volume to be about 7.5m
3The bio-contact oxidation polyethylene elastomer filler of (7500), this elastic filler profile are center foraminous multiaspect sphere.It is divided into 75 parts, with cord per ten fillers are worn into a stringly, to tie up be a filler unit (2) to per ten strings, promptly in each filler unit (2) 100 of spherical elastic fillers arranged, this filler unit (2) is irregular cylindricality, and each filler unit (2) is about 1m.Again per 3 filler units (2) are connected to a filler unit group by cord, interval 1m between each filler unit (2), two ends connect mass (3) and floating marker (4) respectively, make 25 bio-contact oxidation modules.Mass (3) is tied up by cord by 4 common grass planting bricks and is formed, and every brick nearly weighs 3kg.Floating marker (4) selects for use reddish yellow phase secondary color plastics fishing net to float, and the diameter that fishing net floats is 20cm.
With circulation of sun power water body and reoxygenation system (1) is the center, distance is 20m between bio-contact oxidation module and circulation of sun power water body and the reoxygenation system (1), surround a circle, the circumferential distance between the mass of adjacent bio-contact oxidation module (3) is about 5m.Utilize the power of circulation of sun power water body and reoxygenation system (1) to promote the mass transfer of water body water, pollutent and dissolved oxygen on every side, the original position of utilizing filler unit (2) to carry out water body purifies.
3, compliance test result: it is stable that sun power water body circulation and reoxygenation system install the back, the bio-contact oxidation module throw in to the water two week back filling surface biofilms good, in regional center and around water intaking do water quality detection and average.In addition a similar water quality condition reservoir in only drop into equal amts the polyethylene elastomer filler purify, the water quality situation before and after purifying sees the following form 1:
Water quality analysis data contrast table before and after two kinds of purification styles of table 1 purify
| Item compared | Before filler purifies | After filler purifies | Before apparatus of the present invention purify | After apparatus of the present invention purify |
| COD Mn | 4.8 mg/L | 4.1 mg/L | 5.1mg/L | 2.8 mg/L |
| Chlorophyll a | 8.1μg/L | 7.0μg/L | 8.2μg/L | 4.4μg/L |
| Algae | 512.3 ten thousand/L | 453.8 ten thousand/L | 511.9 ten thousand/L | 202.4 ten thousand/L |
By data as seen, after apparatus of the present invention are installed, in this waters in the water oxygen-consumption, chlorophyll content and amount of algae reduced by 45.1%, 46.3% and 60.5% respectively, and use purify waste water middle oxygen-consumption, chlorophyll content and amount of algae of polyethylene elastomer filler only to reduce by 14.6%, 13.6% and 11.4% respectively merely.
To sum up analyze, circulation of sun power water body and reoxygenation system are combined with above-mentioned conventional bio-contact oxidation technology, then can make full use of sun power water body circulation and reoxygenation system water body separated layer and Circulation, effectively improve water body circulation and excess oxygen, improve of the original position repair of conventional bio-contact oxidation technology greatly, realize the water quality reparation and the ecological recovery of water body open water body such as lake, reservoir.
Claims (9)
1. the open water body restorative procedure of little pollution is characterized in that utilizing circulation of sun power water body and reoxygenation system to make the water motion through being suspended in the filler unit in the water body, utilizes the pollutent in the filler degradation water in the filler unit.
2. method according to claim 1 is characterized in that: described filler unit is connected with the mass that sinks to the bottom.
3. the open water body prosthetic device of employed little pollution in the claim 1, comprise the circulation of sun power water body and the reoxygenation system (1) that are fixed in the open water body, it is characterized in that several bio-contact oxidation modules that distributing on every side in sun power water body circulation and reoxygenation system (1), described bio-contact oxidation module is formed by connecting by floating marker (4), 1 filler unit (2) and mass (3) successively at least, and filler is a polymer carrier in the described filler unit (2).
4. device according to claim 3 is characterized in that the distance 〉=4m between the mass (3) of adjacent bio-contact oxidation module, and the distance between the adjacent filler unit (2) is 40-80cm.
5. according to claim 3 or 4 described devices, it is characterized in that the distance between circulation of bio-contact oxidation module and sun power water body and the reoxygenation system (1) is 40-70m.
6. according to claim 3 or 4 described devices, it is characterized in that circulation of sun power water body and reoxygenation system (1) comprise the solar panel that is positioned on the water surface, the energy transmission device that is positioned at undersurface water screw and connection solar panel and water screw.
7. device according to claim 6 is characterized in that under the water screw water pipe of placing perpendicular to the water body bottom surface (5) being set.
8. device according to claim 7 is characterized in that water pipe (5) is 0.5-1.5m apart from the distance of water body bottom surface, and a splash pan (6) is set under the water pipe (5), and splash pan (6) is fixed on the water body bottom surface.
9. device according to claim 7 is characterized in that water pipe (5) middle part is provided with the prosopyle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106181110A CN102126783A (en) | 2010-12-31 | 2010-12-31 | Method and device for repairing micro-polluted opening water bodies |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106181110A CN102126783A (en) | 2010-12-31 | 2010-12-31 | Method and device for repairing micro-polluted opening water bodies |
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| CN102126783A true CN102126783A (en) | 2011-07-20 |
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| CN2010106181110A Pending CN102126783A (en) | 2010-12-31 | 2010-12-31 | Method and device for repairing micro-polluted opening water bodies |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342258A (en) * | 2011-08-10 | 2012-02-08 | 中国水产科学研究院南海水产研究所 | Offshore eutrophic sea area nutrient-substance extinction device |
| CN102531178A (en) * | 2011-09-22 | 2012-07-04 | 中国环境科学研究院 | Combination device for treating cultivation wastewater of solar ecological compound purification pond |
| CN105645590A (en) * | 2015-12-21 | 2016-06-08 | 南京领先环保技术股份有限公司 | Solar-powered water cycle purification biological and ecological island |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654356A (en) * | 2004-12-30 | 2005-08-17 | 西安建筑科技大学 | Reinforced biological contacting oxidation water correction apparatus |
| CN1686835A (en) * | 2005-04-20 | 2005-10-26 | 聂法玉 | Microwave energy saving water purifier |
| CN201942555U (en) * | 2010-12-31 | 2011-08-24 | 济南市供排水监测中心 | Micro-polluted open water body restoration device |
-
2010
- 2010-12-31 CN CN2010106181110A patent/CN102126783A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654356A (en) * | 2004-12-30 | 2005-08-17 | 西安建筑科技大学 | Reinforced biological contacting oxidation water correction apparatus |
| CN1686835A (en) * | 2005-04-20 | 2005-10-26 | 聂法玉 | Microwave energy saving water purifier |
| CN201942555U (en) * | 2010-12-31 | 2011-08-24 | 济南市供排水监测中心 | Micro-polluted open water body restoration device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342258A (en) * | 2011-08-10 | 2012-02-08 | 中国水产科学研究院南海水产研究所 | Offshore eutrophic sea area nutrient-substance extinction device |
| CN102531178A (en) * | 2011-09-22 | 2012-07-04 | 中国环境科学研究院 | Combination device for treating cultivation wastewater of solar ecological compound purification pond |
| CN102531178B (en) * | 2011-09-22 | 2013-11-06 | 中国环境科学研究院 | Combination device for treating cultivation wastewater of solar ecological compound purification pond |
| CN105645590A (en) * | 2015-12-21 | 2016-06-08 | 南京领先环保技术股份有限公司 | Solar-powered water cycle purification biological and ecological island |
| CN105645590B (en) * | 2015-12-21 | 2018-12-25 | 南京领先环保技术股份有限公司 | A kind of water circulating purification biological and ecological island of Driven by Solar Energy |
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Application publication date: 20110720 |