CN102587317A - Composite ecological component for weakening waves and controlling, stopping and guiding algae, manufacturing method and application thereof - Google Patents
Composite ecological component for weakening waves and controlling, stopping and guiding algae, manufacturing method and application thereof Download PDFInfo
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- CN102587317A CN102587317A CN2012100231331A CN201210023133A CN102587317A CN 102587317 A CN102587317 A CN 102587317A CN 2012100231331 A CN2012100231331 A CN 2012100231331A CN 201210023133 A CN201210023133 A CN 201210023133A CN 102587317 A CN102587317 A CN 102587317A
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- 230000003313 weakening effect Effects 0.000 title abstract 8
- 239000002131 composite material Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 22
- 229920002972 Acrylic fiber Polymers 0.000 claims abstract description 17
- 239000004698 Polyethylene Substances 0.000 claims abstract description 9
- -1 polyethylene Polymers 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 6
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- 239000004677 Nylon Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
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Abstract
The invention belongs to the technical field of eco-environmental engineering, and particularly relates to a design of a composite ecological component for weakening waves and controlling, stopping and guiding algae. The composite ecological component can be applied to ecology recovering engineering of large-scale water body. A system consists of a two-layer wave weakening algae controlling belt and a single-layer algae stopping and guiding belt; the two-layer wave weakening algae controlling belt consists of round wood piles, polyethylene twisted wire fish nets, a gabion and an algae removing biomembrane, which can effectively control the algae while weakening the waves; and the single-layer algae stopping and guiding belt constructed by round wood piles, steel tubes, a piece of acrylic fiber cloth, floating spheres and a gabion is arranged at the inner side of the two-layer wave weakening algae controlling belt, thereby further stopping and guiding the algae by utilizing the drive of wind power and lake current. The composite ecological component provided by the invention is high in wave resisting strength, obvious in wave weakening effect, stable in flowability and strong in adjustability, can be applied to eutrophic lakes with huge waves and can realize the organic combination of controlling, removing, stopping and guiding of the algae based on resisting wind and weakening waves, thereby being significant in protecting and repairing the water environment of the lakes.
Description
One, technical field
The invention belongs to the ecological environment field of engineering technology, be specifically related to a kind of wave control algae that is used to disappear, block algae and draw algae, and then the design and the application process thereof of the complex ecological member that purifies water.
Two, technical background
In large-size lake; Hydrodynamisms such as stormy waves are the disturbance lake bed sediment continually; Nutritive salt discharges in a large number in the deposit, has direct driving action for formation, the enrichment of blue-green alga bloom, and how the control blue-green alga bloom is one of difficult problem in the engineering when reducing the stormy waves adverse effect.
Through patent and literature search, finding has some waves that disappear, blocks the algae measure in the ecological environment field of engineering technology.Hu Weiping invention a kind of disappears, and (patent No.: 200620072816.6), the unrestrained function that disappears is obvious, but does not have the ecological purification function with bamboo raft for wave; The littoral zone, lake of the Li Wenchao design unrestrained device (patent No.: 200410014926.2) that comprehensively disappears; Comprise wood fence type wave eliminating band, block type soft wave eliminating band, artificial bank front wave absorbing band three parts; Hit the band forward position at wave the unrestrained barrier that disappears is set, embankment is provided with the absorption band along the rigidity lake simultaneously, eliminates the reflection wave; But this barrier is comparatively effective at littoral zone, does not suit than far away and profundal zone for offshore; (patent No.: 200520125530), be made up of at least one enclosure unit, each enclosure unit comprises float band, skirt body to the retaining algae enclosure device of design such as domestic Zhang Fanghai, and is provided with the counterweight chain in the bottom; Simultaneously, the fitted seal through connecting ring and hasp between adjacent two enclosure unit links together, and this technology can effectively be tackled algae, but does not control the function of algae.Therefore, at present, block the algae device for the wave that disappears that is suitable in the profundal zone and remain a blank with control algae ecological functions.
Thereby, a kind of wave control algae that disappears that development can be used in the bigger eutrophy lake of stormy waves, block algae and draw algae complex ecological member and be very important.
Three, summary of the invention
The problem that the present invention need solve is:
Invent a kind of wave control algae that disappears that can be applicable to the bigger eutrophy lake of stormy waves, block algae and draw algae complex ecological member.This method has that anti-unrestrained intensity is high, the unrestrained effect that disappears significantly, stable with ripple property, realize that simultaneously controlling algae draws advantages such as algae effectively blocking algae, be applicable to that the ecology synthesis of the open waters that stormy waves is bigger is administered.
Technical scheme of the present invention is:
The present invention comprises that mainly two parts form: disappear wave control algae band and parallel of bilayer is positioned at the bilayer wave control algae that disappears and blocks algae with the individual layer at inboard 20 m places and draw algae and be with, and sees accompanying drawing 1-2.
The bilayer wave control algae band that disappears: agent structure is the disappear unrestrained enclosure and the algae biomembrane medium that disappears of the bilayer of parallel wide 15 m; The unrestrained enclosure that disappears is made up of log pile, polyvinyl hank knotting fishing net, gabion: whenever place log pile at a distance from 5 m, and log pile diameter 20 cm, high 6 m go deep into lakebed 2 m, and log pile connects fixedly polyvinyl hank knotting fishing net through the 6# plastic coated wire ropes; Fishing net top is by the three-layer polyethylene hank knotting fishing net of high 3.5 m, fishing net diameter 0.1-0.2 mm, mesh 0.1-0.2 cm; Stacked forming; Base portion is the monolayer polyethylene hank knotting fishing net of high 50 cm, is convenient to carry out the water body exchange of inside and outside both sides at the enclosure base portion, can effectively cut down hydraulic pressure; Simultaneously, enclosure bottom extension weighs down diameter 20 cm gabions to be fixed, and fills stone in the gabion, and outer parcel rubber rolls tightly with steel wire, and to improve capacity of anti-storm, the stability of the double-deck wave control algae band that disappears of enhancing is seen accompanying drawing 3; Between bilayer disappears the parallel circle timber of wave control algae band, connect the 6# plastic coated wire ropes, the algae biomembrane medium that disappears of phycomycete is dissolved in the suspension switching, this medium diameter 20 cm, and arrangement pitch is 5m, effectively controls blue-green algae; Simultaneously, a large amount of microorganisms can be adhered in disappear algae biomembrane medium and polyvinyl hank knotting fishing net surface, and microorganism is through the nutriment in the metabolic decomposition water of self; In the algae control algae that disappears; Can effectively remove water pollutant, strengthen the water body in lake self-purification capacity, see accompanying drawing 4.
Individual layer blocks algae and draws algae band: by log pile, steel pipe, acrylic fibers cloth, swim and gabion is formed; Individual layer blocks algae and draws algae band two ends through diameter 20cm, and the steel loop of ring footpath 6 mm is fixed in steel pipe with the acrylic fibers cloth of high 4m; The high 7m of steel pipe, diameter 15cm, wall thickness 5mm; Go deep into lakebed 2.5m, steel loop is embedded in outward on the steel pipe, and 30cm begins to arrange from the steel pipe top; Every interval 50cm arranges one, totally 8 steel loops, and steel loop is fixing then to help making acrylic fibers sarong body to slide up and down along with SEA LEVEL VARIATION; Acrylic fibers sarong body integral body is positioned between double log pile, the high 5.5m of this timber, diameter 20cm; Go deep into lakebed 1.5 m, every 10m places one group of log pile, parallel distance 5m between group; Connect through diameter 10mm nylon rope between parallel timber; Guarantee that individual layer blocks algae and draws algae band and between double timber, float, and produce adaptive adjustment, see accompanying drawing 5, accompanying drawing 7 with the variation of hydrodynamic force and stormy waves; Acrylic fibers sarong body top connects diameter 30cm and encrypts cylindrical ball float band to keep suspending power; The bottom is then weighed down so that diameter 20cm gabion is heavy; Wherein, encrypt the outer parcel of cylindrical ball float rubber waterproof layer, to prevent fragmentation; Its base portion is through 300mm*30mm*2.5mm stainless steel shoulder pole and 10# stainless steel bolt, and the 30# pad is locked; Fill stone in the gabion, outer parcel rubber rolls tightly with steel wire, sees accompanying drawing 6.
This wave control algae that disappears, block algae draw the research experiment of algae complex ecological member be with Taihu Lake as research object, its technical data is applicable to Taihu Lake, concrete technical data should combine with the waters characteristic of practical application, adjusts; Specifically should follow: in the complex ecological member parallel peripheral at a distance between spacing, should guarantee 2 times of the historical maximum wavelength in lake and more than, disappear wave and block the algae effect guaranteeing; The height of complex ecological member should be determined by the maximum wave height and the depth of water in lake jointly, guarantees that enclosure is higher than the lake highest water level on records.
The present invention compared with prior art its beneficial effect is:
Compare with the existing wave that disappears, the simple function that blocks the algae technology, the wave control algae that disappears, block algae draw algae complex ecological member effectively realized in extensive waters, disappearing wave, control algae, block algae, draw the compound ecological protection of algae.The anti-unrestrained intensity of this member is high, the remarkable controllability of the unrestrained effect that disappears is strong, stable with ripple property; Can be according to conditions such as concrete hydrodynamic force, wind-force; Can in the tangible large-size lake of year SEA LEVEL VARIATION, use, on wind resistance disappears the basis of wave, realize disappear algae and block the combination that algae is drawn algae of control algae.Through the use of this member, can effectively isolate blue-green algae in the eutrophication pollution waters, protection water quality, for the good basis that the aquatic ecosystem recovery provides, significant with reparation to the protection of lake water environment.
Four, description of drawings
Fig. 1: the wave control algae that disappears, block algae and draw algae complex ecological member vertical view
A: log pile; B: steel pipe; C: three-layer polyethylene hank knotting fishing net; D: monolayer polyethylene hank knotting fishing net; E: gabion; The F:6# plastic coated wire ropes; G: biomembrane medium; H: ball float band; I: acrylic fibers sarong body; J: nylon rope; K: steel loop; L: lakebed.
Fig. 2: the wave control algae that disappears, block algae and draw algae complex ecological member plan view
A: log pile; B: steel pipe; The F:6# plastic coated wire ropes; H: ball float band; J: nylon rope.
Fig. 3: the bilayer wave control algae band elevation that disappears
A: log pile; C: three-layer polyethylene hank knotting fishing net; D: monolayer polyethylene hank knotting fishing net; E: gabion; The F:6# plastic coated wire ropes; L: lakebed.
Fig. 4: the bilayer wave control algae band sectional drawing that disappears
A: log pile; The F:6# plastic coated wire ropes; G: biomembrane medium; L: lakebed.
Fig. 5: individual layer blocks algae and draws algae band side view
A: log pile; B: steel pipe; E: gabion; H: ball float band; I: acrylic fibers sarong body; K: steel loop; L: lakebed; M:10# stainless steel bolt and 30# pad; N: stainless steel shoulder pole; L: lakebed.
Fig. 6: individual layer blocks algae and draws algae band sectional drawing
E: gabion; I: acrylic fibers sarong body; M:10# stainless steel bolt and 30# pad; N: stainless steel shoulder pole; O: encrypt ball float; P: rubber; Q: steel wire.
Fig. 7: individual layer blocks algae and draws the algae band---steel loop connection acrylic fibers cloth and steel tubular structure figure
B: steel pipe; I: acrylic fibers sarong body; K: steel loop.
Five, the specific embodiment
The above-mentioned wave that disappears is controlled algae, is blocked the method for using that algae is drawn algae complex ecological member.(1) this technology is on the basis of wave control algae that disappears, and utilizes wind field, flow field driving force to block algae, draw algae, should be according to the hydrology geographical conditions of reality; Take into full account factors such as the long-term wind direction in waters, project district, SEA LEVEL VARIATION and the distribution of lakebed mud; In conjunction with local cardinal wind, especially summer, autumn cardinal wind, the placement location of complex ecological member is set; Block algae, draw the algae function with maximum realization; Help blue-green algae to the lakeside enrichment, salvage point, help machinery to remove algae in conjunction with blue-green algae is set; (2) make log pile, steel pipe, steel loop, ball float band, gabion respectively with subsequent use, shown in plan, demarcate log pile, the predetermined position that sets of steel pipe, and survey through engineering and to look qualified back and begin to drive piles through the engineer operation ship in the water surface; The polyvinyl hank knotting fishing net bottom hung gabion that makes is connected on the log pile, and acrylic fibers sarong body top connects the ball float band, the bottom hung gabion is embedded on the steel pipe through the steel loop adapter sleeve, builds disappear wave control algae band and individual layer of bilayer successively and blocks algae and draw the algae band; Be with the suspension algae biomembrane medium that disappears in the bilayer wave control algae that disappears, and the later stage is carried out tour, inspection and maintenance work.
Case study on implementation
The present invention uses in Wuxi in 2010 ring Taihu Lake (bright river bend-Da Xi port) wetland reparation first stage of the project; In ring 2357 mu of engineering waters, Taihu Lake, combine bright river bend, Wuxi prevailing wind direction in winter in summer, long-term SEA LEVEL VARIATION, distribution situation such as the depth of water, mud are dark; And consideration is to the defencive function in tribute lake water seedbed; In that the inboard 300-500 m of embankment place makes up the wave control algae that disappears, blocks algae and draw algae complex ecological member apart from Taihu Lake, total length 4450 m, and port Bin Anchu on the leeward is provided with blue-green algae salvaging point.After engineering finishes, regularly carry out monitoring water environment, monitoring result is presented at bilayer and disappears that to block the water transparency that algae draws between the algae band minimum for wave control algae band and individual layer, is merely 11.25 cm, and phytoplankton cell density height is up to 1,775 ten thousand/L; Through the setting of complex ecological member, the phytoplankton cell density in band waters, lakeside is merely 3,500,000/L, and water transparency is up to 17cm, and the water phytoplankton cell density beyond the complex ecological member is 1,320 ten thousand/L.This result shows, this complex ecological member wave that can significantly disappear plays protective action to the early recovery of lakeside band plant; And, when summer, water body eutrophication degree was serious, has significant control algae, block algae, draw the algae function, realize biological disappear algae and the mechanical combination that removes algae, reduce water body algae density, purify water.
Claims (6)
- The wave control algae that disappears, block algae and draw algae complex ecological member, it is characterized in that being positioned at the bilayer wave control algae that disappears and blocking algae with the individual layer at inboard 20 m places and draw algae and be with two parts to constitute with parallel by the bilayer wave control algae band that disappears.
- According to the said a kind of wave control algae that disappears of claim 1, block algae and draw algae complex ecological member, it is characterized in that the bilayer wave control algae band agent structure that disappears is the disappear unrestrained enclosure and the algae biomembrane medium that disappears of the bilayer of parallel wide 15 m; The bilayer unrestrained enclosure that disappears is made up of log pile, polyvinyl hank knotting fishing net and gabion, whenever places log pile at a distance from 5 m, and log pile is through the fixing polyvinyl hank knotting fishing net of 6# plastic coated wire ropes connection; Fishing net top is by stacked the forming of three-layer polyethylene hank knotting fishing net of high 3.5 m, and base portion is the monolayer polyethylene hank knotting fishing net of high 50 cm, is convenient to carry out the water body exchange of inside and outside both sides at the enclosure base portion, can effectively cut down hydraulic pressure; Simultaneously, the enclosure bottom hangs the gabion that weighs down diameter 20cm and fixes, and to improve capacity of anti-storm, strengthens the stability of the double-deck wave control algae band that disappears; Between bilayer disappears the parallel circle timber of wave control algae band, connect the 6# plastic coated wire ropes, the algae biomembrane medium that disappears of phycomycete is dissolved in the suspension switching.
- According to the said a kind of wave control algae that disappears of claim 1, block algae and draw algae complex ecological member, it is characterized in that individual layer block algae draw the algae band by log pile, steel pipe, acrylic fibers cloth, swim and gabion is formed; Individual layer blocks algae and draws algae band two ends and through steel loop high 4m acrylic fibers cloth is fixed in steel pipe, and steel loop is embedded in outward on the steel pipe, 50cm at interval, and totally 8 steel loops, steel loop is fixing then to help making acrylic fibers sarong body to slide up and down along with SEA LEVEL VARIATION; Every 10m places one group of log pile, parallel distance 5m between group, and the nylon rope through diameter 10mm between timber connects, and guarantees that acrylic fibers sarong body floats in the water body between double timber, produces adaptive adjustment with the variation of hydrodynamic force and stormy waves; Acrylic fibers sarong body top connects the cylindrical ball float band of encryption of diameter 30cm to keep suspending power, and the bottom then with heavy bob of gabion of diameter 20cm, strengthens individual layer and blocks the stability that algae is drawn the algae band.
- 4. control algae, block the preparation method that algae is drawn algae complex ecological member according to the said a kind of wave that disappears of claim 1; It is characterized in that making respectively log pile, steel pipe, steel loop, ball float band, gabion with subsequent use; Carry out operation at sea through the engineer operation ship, log pile, steel pipe are squeezed into lakebed and fixed, build disappear wave control algae band and individual layer of bilayer successively and block algae and draw the algae band; And be with the suspension algae biomembrane medium that disappears in the bilayer wave control algae that disappears, the later stage is carried out tour, inspection and maintenance work.
- 5. control algae, block the method for using that algae is drawn algae complex ecological member according to the said a kind of wave that disappears of claim 1; It is characterized in that hydrology geographical conditions according to reality; Take into full account the long-term wind direction in waters, project district, SEA LEVEL VARIATION and lakebed mud distribution factor, in conjunction with local cardinal wind, especially summer, autumn cardinal wind; Position, the flexibility of complex ecological member are set, block algae, draw the algae function with maximum realization; Bin Anchu is provided with blue-green algae and salvages point on the leeward, realizes that physics blocks the combination that algae and machinery removes algae that disappears of algae, biology, reduces water body algae density, purifies water.
- The said a kind of wave control algae that disappears of claim 1, block algae and draw algae complex ecological member in the bigger eutrophy lake wind resistance of stormy waves disappear unrestrained engineering or ecological recovery application in engineering.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852124A (en) * | 2012-10-15 | 2013-01-02 | 中国科学院南京地理与湖泊研究所 | Composite alga retaining enclosure for floating plants |
| CN103548532A (en) * | 2013-10-31 | 2014-02-05 | 苏州大学 | Method for carrying out seine planting of ceratophyllum demersum |
| CN104863097A (en) * | 2014-02-20 | 2015-08-26 | 天津大学 | Flexible sand stop curtain structure |
| CN107938591A (en) * | 2017-12-06 | 2018-04-20 | 湖北工业大学 | A kind of river-like reservoir control algae device and method |
| CN111893969A (en) * | 2020-07-22 | 2020-11-06 | 苏州大学 | Method for controlling lake region sediment pollution release and blue algae accumulation |
| CN114772666A (en) * | 2022-05-27 | 2022-07-22 | 武汉中科水生环境工程股份有限公司 | Lake algae in-situ regulation and control method |
| CN115399283A (en) * | 2022-10-09 | 2022-11-29 | 海南大学 | Flow speed buffering method for drainage port of farm |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852124A (en) * | 2012-10-15 | 2013-01-02 | 中国科学院南京地理与湖泊研究所 | Composite alga retaining enclosure for floating plants |
| CN103548532A (en) * | 2013-10-31 | 2014-02-05 | 苏州大学 | Method for carrying out seine planting of ceratophyllum demersum |
| CN104863097A (en) * | 2014-02-20 | 2015-08-26 | 天津大学 | Flexible sand stop curtain structure |
| CN107938591A (en) * | 2017-12-06 | 2018-04-20 | 湖北工业大学 | A kind of river-like reservoir control algae device and method |
| CN111893969A (en) * | 2020-07-22 | 2020-11-06 | 苏州大学 | Method for controlling lake region sediment pollution release and blue algae accumulation |
| CN114772666A (en) * | 2022-05-27 | 2022-07-22 | 武汉中科水生环境工程股份有限公司 | Lake algae in-situ regulation and control method |
| CN114772666B (en) * | 2022-05-27 | 2023-08-18 | 武汉中科水生环境工程股份有限公司 | Lake algae in-situ regulation and control method |
| CN115399283A (en) * | 2022-10-09 | 2022-11-29 | 海南大学 | Flow speed buffering method for drainage port of farm |
| CN115399283B (en) * | 2022-10-09 | 2024-01-30 | 海南大学 | Method for buffering flow rate of water outlet of farm |
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| CN102587317B (en) | 2014-08-27 |
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