CN203096703U - Water source area lake and reservoir alga filter net - Google Patents
Water source area lake and reservoir alga filter net Download PDFInfo
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- CN203096703U CN203096703U CN2013200746554U CN201320074655U CN203096703U CN 203096703 U CN203096703 U CN 203096703U CN 2013200746554 U CN2013200746554 U CN 2013200746554U CN 201320074655 U CN201320074655 U CN 201320074655U CN 203096703 U CN203096703 U CN 203096703U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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Abstract
The utility model relates to the technical field of alga treatment water bodies, in particular to a water source area lake and reservoir alga filter net. The water source area lake and reservoir alga filter net is suitable for large-scale cleaning of algae on water surfaces of drinking water source areas. The water source area lake and reservoir alga filter net has the advantages of being high in efficiency and low in maintenance cost. The water source area lake and reservoir alga filter net comprises supporting floating balls and an intercepting net, wherein the supporting floating balls are arranged on the top of the intercepting net. Sinkers are arranged on the bottom of the intercepting net. The supporting floating balls are made of oil-absorbing strands. The intercepting net is made of oil-absorbing cotton. The water source area lake and reservoir alga filter net is simple, reasonable and compact in structure. Raw materials of the water source area lake and reservoir alga filter net have the advantages of being wide in source and easy to purchase. Meanwhile, a manufacturing and synthesizing process of the water source area lake and reservoir alga filter net is simple.
Description
Technical field
The utility model relates to administers the algae water technical field, relates in particular to a kind of water head site Hu Ku filter algae net, is applicable to that drinking water seedbed water surface algae removes on a large scale, has high efficiency, the low advantage of safeguarding cost.
Background technology
In the various pollution problems of storehouse, lake water ecological environment, body eutrophication (Eutrophication) is that one of the most general, that harm is maximum outstanding problem takes place, influence and restricting the coordinated development of economic society, become one of the most serious main Environmental Problems that the world today faces, and more and more caused people's great attention.
Body eutrophication is meant biological required nitrogen (N), the water body that phosphorus inorganic nutrients such as (P) thing enters relative closures such as lake, river mouth, bay in a large number, under suitable external environment combined factors effect, cause that algae breeds rapidly, cause the phenomenon of breakout of water bloom.Simultaneously, also may cause water body peculiar smell to occur, cause water quality deterioration.
Under field conditions (factors), the lake also can carry out the transition to eutrophic state from poor nutritional status, but this natural process is very slow.Industrial wastewater and the caused body eutrophication of sanitary sewage that the anthropogenic discharge contains nutriment then can occur at short notice.When the eutrophication phenomenon appearred in water body, planktonic algae bred in a large number, formed wawter bloom.Because of the color difference of dominant planktonic algae, the water surface often presents blueness, redness, brown, milky etc.
After the algae pollution problem appears in China lake, various algae collecting devices and kill the algae net and arise at the historic moment.Problems such as but traditional algae collecting device ubiquity efficient is low, energy consumption is high, and area coverage is little are unfavorable for long-term operation maintenance.And kill the removal that the algae net is used for algae such as sewage and lake more, its chemical composition of killing in the algicide that algae adheres on the net is not suitable for throwing in use at water head sites such as reservoirs.Therefore, need take new filtration interception technology for the large-area algae interception of the higher water head site of water quality requirement.
The utility model content
The shortcoming of prior art in view of the above, target of the present utility model are the filter algae net that a kind of running cost is lower, area coverage is big, be applicable to water head site Hu Ku is provided, in order to effective interception algae, and reduction algae bio amount.The described filter algae net that is applicable to water head site Hu Ku, comprise screen pack, support ball float and sinking sinker, it is simple and reasonable for structure, compact, has remedied the vacancy of the physical filter algae net that is not applicable to water head site Hu Ku at present, and its component have the characteristics of easy replacement simultaneously.Realized that raw material sources are extensive, production technology is simple, component are easily replaced, the production maintenance cost is cheap, do not influenced original water quality, the good advantage of algae filter effect.
To achieve the above object of the invention, the utility model first aspect provides a kind of physics filter algae net that is applicable to water head site Hu Ku, comprise and support ball float and interception net, described support ball float is positioned at described interception net top, described interception sieve bottom is provided with the sinking sinker, the material of described support ball float is a wick, and the material of described interception net is an oil absorbent material.
Preferably, described interception net comprises the multilayer oil absorbent material.
Concrete, the size of described interception net can be adjusted according to the depth of water and the interception width of water head site Hu Ku.
The material of described sinking sinker is the plumbous rope of counterweight, the plumbous rope of counterweight is set in the bottom of interception net makes the vertical subsidence smoothly of described interception net, to guarantee the vertical extended configuration of dictyosome, prevents washing away of wave simultaneously.
Described wick can be adjusted length according to actual conditions as supporting ball float, can be fixed on the surface of water to guarantee wick, helps the algae of adsorbing and tackling the water body top layer.
The utility model does not have specific (special) requirements to the material of oil absorbent material and wick, and described oil absorbent material and wick all can obtain by commercially available approach.
The utility model second aspect provides the application of described water head site Hu Ku filter algae net in water head site large-area alga interception field.
The utility model third aspect provides a kind of and utilizes described water head site Hu Ku filter algae net that water head site Hu Ku is carried out physics filter algae method, and its concrete grammar is by water (flow) direction, described water head site Hu Ku filter algae net to be vertically placed on the delivery port of water head site.
Preferably, the supply volume of described water head site Hu Ku filter algae net is one to three, and concrete supply volume adjustment is according to being: the algae granule number is 5.0 * 10
6Individual with one of interior input; 5.0 * 10
6~ 5.0 * 10
7Two of individual inputs; 5.0 * 10
7Three of individual above inputs.。
Preferably, 35% of the height 〉=depth of water of described interception net.
Preferably, the width of described interception net is as the criterion can cover the described delivery port water surface fully.
Concrete, owing to water body flows and reason such as water level fluctuation, described interception net is when real work, it is shaped as arc, the width of interception net can be greater than the developed width of delivery port, and those skilled in the art can be according to actual conditions, and appropriateness is adjusted the width of interception net.
Preferably, the replacing frequency of described water head site Hu Ku filter algae net is 3-7 days summer, 20-30 days winter.
According to the difference in season, the frequency that filter algae net is changed is distinguished to some extent.Summer, algae reproduction speed was very fast owing to fully have the condition that algae adapts to growth, therefore once filtered the replacing of algae net in every 3-7 days; Winter, algae reproduction speed was more slow, once filtered the replacing of algae net in every 20-30 days.
The utlity model has following advantage:
(1) innovation.Do not occur at present being applicable to the algae interception equipment of storehouse, water head site lake type on the market, of the present utility modelly this vacancy occurs having filled up.
(2) simple and reasonable for structure, compact.Raw material sources of the present utility model extensively, have the advantages that easily to purchase.It is also very simple to make synthesis technique and part replacement simultaneously.
(3) maintenance cost is low, workable.In a single day the utility model comes into operation and need not to carry out regular maintenance and do not have the energy consumption cost except that regular replacing.
(4) adapt to big water surface operation.The utility model draft can reach 2 meters, and working width can be adjusted length according to footprint, applicable to the interception of the blue-green algae scale of large-scale water head site Hu Ku.
(5) regulation effect is not significantly, have influence to water quality.The utility model adopts the method for physics interception, and this method can not exert an influence to original water quality.
Description of drawings
Fig. 1 is shown as the utility model structural representation.
Fig. 2 is shown as the utility model vertical view.
Fig. 3 is shown as the utility model lateral view.
The element numbers explanation
1 supports ball float
2 interception nets
3 sinking sinkers
The specific embodiment
Below by particular specific embodiment embodiment of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this manual.
See also Fig. 1 to Fig. 3.Notice, the appended graphic structure that illustrates of this manual, ratio, size etc., all only in order to cooperate the content that manual disclosed, understand and reading for person skilled in the art scholar, be not in order to limit the enforceable qualifications of the utility model, event is the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not influencing under effect that the utility model can produce and the purpose that can reach, the technology contents that all should still drop on the utility model and disclosed gets in the scope that can contain.Simultaneously, quoted in this manual as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under no essence change technology contents, when also being considered as the enforceable category of the utility model.
As Figure 1-3, the utility model provides a kind of physics filter algae net that is applicable to water head site Hu Ku, comprise and support ball float 1 and interception net 2, described support ball float 1 is positioned at described interception net 2 tops, described interception net 2 bottoms are provided with sinking sinker 3, the material of described support ball float 1 is a wick, and the material of described interception net 2 is double-deck oil absorbent material.The material of described sinking sinker is the plumbous rope of counterweight, the plumbous rope of counterweight is set in the bottom of interception net makes the vertical subsidence smoothly of described interception net, to guarantee the vertical extended configuration of dictyosome, prevents washing away of wave simultaneously.Described wick can be adjusted length according to actual conditions as supporting ball float, can be fixed on the surface of water to guarantee wick, helps the algae of adsorbing and tackling the water body top layer.
With the husky reservoir of green grass is example, and this reservoir is one of main water head site in Shanghai.The about 66km of area
2, the design effective storage is 4.35 hundred million m
3, the water supply scale reaches 7,190,000 m
3/ day.The problem of algae is the great problem that the husky reservoir of green grass faces.
By throw in the actual use of the utility model filter algae net at the husky reservoir of green grass, show that the utility model obtained good regulation effect.Concrete input mode is: the husky reservoir water delivery district's trashrack of green grass (the trashrack clear span is 56.0m, and trashrack service bridge length overall is 69.6m, depth of water 6-7 rice) throw in respectively before use two high be 2 meters, be about 100 meters filter algae net.
It is more that the husky reservoir algae of green grass has water body top layer Microcystis aeruginosa, the characteristics that middle level and lower floor successively decrease.The utility model is mainly selected the preceding input of the trashrack of water delivery district end.Because water delivery district trashrack must be through the zone for the conveying of reservoir water source, what throw in filter algae mesh before this zone is in order to carry out last filtration.
Filter the algae experiment in July, changing frequency is 7 days/time, and every morning, 8:00 sampled, and gets 30 days average according to comparing, measure filtering algae net chlorophyll a preceding and that filter after algae is netted, and compare filtering algae net alga cells number, algae granule number preceding and that filter after algae is netted.Obtain following result by experiment: chlorophyll a had descended more than 50% before the chlorophyll a behind the filter algae net was netted than the filter algae, and the alga cells number has descended 1/3, and the algae granule number has descended 75%.The result shows that the utility model has interception result significantly to algae.
With the husky reservoir of green grass is example, and this reservoir is one of main water head site in Shanghai.The about 66km of area
2, the design effective storage is 4.35 hundred million m
3, the water supply scale reaches 7,190,000 m
3/ day.The problem of algae is the great problem that the husky reservoir of green grass faces.
By throw in the actual use of the utility model filter algae net at the husky reservoir of green grass, show that the utility model obtained good regulation effect.Concrete input mode is: the husky reservoir water delivery district's trashrack of green grass (the trashrack clear span is 56.0m, and trashrack service bridge length overall is 69.6m, depth of water 6-7 rice) throw in respectively before use two high be 2 meters, be about 100 meters filter algae net.
It is more that the husky reservoir algae of green grass has water body top layer Microcystis aeruginosa, the characteristics that middle level and lower floor successively decrease.The utility model is mainly selected the preceding input of the trashrack of water delivery district end.Because water delivery district trashrack must be through the zone for the conveying of reservoir water source, what throw in filter algae mesh before this zone is in order to carry out last filtration.
Filter the algae experiment in November, changing frequency is 30 days/time, and every morning, 8:00 sampled, and gets 30 days average according to comparing, measure filtering algae net chlorophyll a preceding and that filter after algae is netted, and compare filtering algae net alga cells number, algae granule number preceding and that filter after algae is netted.Obtain following result by experiment: chlorophyll a had descended more than 30% before the chlorophyll a behind the filter algae net was netted than the filter algae, and the alga cells number has descended 1/5, and the algae granule number has descended 50%.The result shows that the utility model has interception result significantly to algae.
Water head site Hu Ku is as the important source of urbanite water consumption, its water quality safety broad masses' deeply concerned interests, and the quality at water source in the microcystis waterbloom phenomenon serious threat reservoir that is on the rise.And the utility model is at the control algae characteristics of water head site Hu Ku, and the physics improvement method of a kind of effective algae is provided, and improved the water quality at water source conscientiously, ensured broad masses' interests.In sum, the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (3)
1. a water head site Hu Ku filter algae net is characterized in that, comprises and supports ball float and interception net, described support ball float is positioned at described interception net top, described interception sieve bottom is provided with the sinking sinker, and the material of described support ball float is a wick, and the material of described interception net is an oil absorbent material.
2. a kind of water head site Hu Ku filter algae net as claimed in claim 1 is characterized in that described interception net comprises the multilayer oil absorbent material.
3. a kind of water head site Hu Ku filter algae net as claimed in claim 1 is characterized in that the material of described sinking sinker is the plumbous rope of counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200746554U CN203096703U (en) | 2013-02-17 | 2013-02-17 | Water source area lake and reservoir alga filter net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200746554U CN203096703U (en) | 2013-02-17 | 2013-02-17 | Water source area lake and reservoir alga filter net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096703U true CN203096703U (en) | 2013-07-31 |
Family
ID=48848120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200746554U Expired - Lifetime CN203096703U (en) | 2013-02-17 | 2013-02-17 | Water source area lake and reservoir alga filter net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993588A (en) * | 2013-02-17 | 2014-08-20 | 上海城投原水有限公司青草沙水库管理分公司 | Water source lake and reservoir algae filtering net |
| CN105764588A (en) * | 2013-10-31 | 2016-07-13 | 陈旗新 | Floating filter system for in- situ algae removal |
-
2013
- 2013-02-17 CN CN2013200746554U patent/CN203096703U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993588A (en) * | 2013-02-17 | 2014-08-20 | 上海城投原水有限公司青草沙水库管理分公司 | Water source lake and reservoir algae filtering net |
| CN105764588A (en) * | 2013-10-31 | 2016-07-13 | 陈旗新 | Floating filter system for in- situ algae removal |
| CN105764588B (en) * | 2013-10-31 | 2017-07-28 | 陈旗新 | The floating filter system of blue-green algae is directly filtered out in water body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |