CN105764588B - The floating filter system of blue-green algae is directly filtered out in water body - Google Patents

The floating filter system of blue-green algae is directly filtered out in water body Download PDF

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Publication number
CN105764588B
CN105764588B CN201380080960.7A CN201380080960A CN105764588B CN 105764588 B CN105764588 B CN 105764588B CN 201380080960 A CN201380080960 A CN 201380080960A CN 105764588 B CN105764588 B CN 105764588B
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China
Prior art keywords
blue
water body
green algae
chain
fake
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Expired - Fee Related
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CN201380080960.7A
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Chinese (zh)
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CN105764588A (en
Inventor
陈旗新
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Guangzhou Yongqi Environmental Protection Engineering Co ltd
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/05Floating filters

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Abstract

The present invention relates to a kind of floating filter system that blue-green algae is directly filtered out in water body;By two float chains, a weighted rod chain, a strip screen pack a, collecting tank a, floating drum that fake is just hung with water is constituted;Vertically both sides are sewed or are fixed with two screen cloths at the screen pack back side, and soft pipeline is formed on the upper edge of screen cloth and lower edge, float chain and weighted rod chain can be penetrated respectively;Wherein fake is equipped with each bar float chain and the junction of weighted rod chain and the front of termination;Also include the fake for being arranged at each float chain junction and weighted rod chain junction, and the tow strap of connection fake and floating drum lower section fake, so that when the floating drum is dragged forward, the upward centroclinal dip of screen pack, filtration system forms the funnel using collecting tank the bottom of as in the plane.It is in funnel-form spread when the present invention is towed in water body, plays tangential flow filter, blue-green algae directly effectively can be concentrated in wide water body and finally remove blue-green algae.

Description

The floating filter system of blue-green algae is directly filtered out in water body
Technical field
It is especially a kind of to be used to salvage tangentially flowing through for wide algae in water area the present invention relates to a kind of floating filter system Filter system.
Background technology:
Algae is vital in terms of forming and maintaining existing Atmospheric composition.It is in terms of biological food is provided It is vital.However, being also harmful when it breaks out, and water body can be poisoned.The basic reason of alga eruption is water The surplus of nutriment in body.Algae living is the cleaner of nutriment in water body in fact.But when it is dead and decomposes, It again returns to nutriment in water body.In most circumstances, blue algae bloom is once will continue to that temperature is dropped to It is sufficiently low.Blue-green algae directly salvaged from water body to walk be probably blue algae bloom most direct, the most rapid hand for solving the problems, such as to be harmful to Section.
The blue-green algae fishing operation that is being used in Chinese Taihu Lake and Dian Chi is that about 50 millimeters of water body top layer is contained into algae at present Water body is siphoned away, and siphoned away algae-containing water is then reprocessed by flocculation-sedimentation-filtering.Can only in such salvaging activity reality It could be carried out in the bank for leeward, bay or the water surface more calmness for having formed high density wawter bloom.
Other blue-green algae isolation technics also have direct filtering, such as U.S. Patent number USP No.4255261, Dodd etc. Described in 1981, USP No.8496120, Willuweit etc. 2013.
The premise that above-mentioned technology is used is that all pending sewage containing algae must all be pumped into processing equipment or facility.It is blue Algae is very tiny cyanobacterium, even if its weight concentration in water body is all very low during great outburst.Even if so only taking out It is difficult to afford that the water for taking 50 millimeters of water surface, which is also,.
The content of the invention:
The directly filtering system of concentration blue-green algae but can be not limited in huge water body it is an object of the invention to provide a kind of System, rather than will again be concentrated after algae water extraction water body.
It is a further object to provide a kind of device that can but be not limited to collect and remove blue-green algae in water body.
It is a further object to provide a kind of slipstream(cross flow)The application process of filter, for gram Take the organic matter as blue-green algae and stifled problem is glued in filter membrane surface.
Invention further aims to provide a devcie and method is to remove substantial amounts of low concentration in great water body Blue-green algae.
Invention further aims to provide a devcie and method, by water body simultaneously by thicker pollution Thing separates and harvested the fresh blue-green algae of high-purity with blue-green algae.
Invention further aims to provide a devcie and method, the process of a large amount of blue-green algaes in water body is removed In, the interference to other biological and its living environments in water body is reduced to greatest extent.
It is a further object to provide a kind of device of high-efficiency low energy consumption and method to remove in great water body The blue-green algae of low concentration.
It is a further object to provide a kind of pure physical unit and method, tried without any chemistry Concentrated under conditions of agent and remove substantial amounts of blue-green algae in water body.
Invention further aims to provide a devcie and method can prevent blue-green algae from entering protected water body While remove substantial amounts of blue-green algae.
Technical scheme:
The technical scheme provided according to the present invention, directly filters out the floating filter system of blue-green algae in water body;It is floating by two Subchain, a weighted rod chain, a strip screen pack a, collecting tank a, floating drum that fake is just hung with water is constituted;The mistake Vertically both sides sew or are fixed with two screen cloths at the filter screen back side, soft pipeline are formed on the upper edge of screen cloth and lower edge, difference can To penetrate float chain and weighted rod chain;Wherein rope is equipped with each bar float chain and the junction of weighted rod chain and the front of termination Circle;Also include the fake for being arranged at each float chain junction and weighted rod chain junction, and restricted below connection fake and floating drum The tow strap of circle so that when the floating drum is dragged forward, the upward centroclinal dip of screen pack, filtration system is formed in the plane Using collecting tank as the funnel at bottom.
As a further improvement on the present invention, wherein filter medium is the smooth thin layer filter screen in surface, permeable but can retain Stop most blue-green algae bacterioflora and thicker material.
As a further improvement on the present invention, wherein thicker dead-end filtration system is fully able to by water and cyanobacterium Cluster, simply retains thicker impurity, and the weighted rod chain is replaced by counterweight rope.
As a further improvement on the present invention, when it is dragged in water or in water, along the floating of float chain on The force action of power and the lower Action of Gravity Field along weighted rod chain, whole piece screen pack is remained under uniform tension force.
As a further improvement on the present invention, two airbags are respectively fixed with before and after the bottom part down of collecting tank therein.
As a further improvement on the present invention, screeding device is installed above collecting tank bottom therein.
As a further improvement on the present invention, filter screen therein is provided with one on both sides float middle-of-chain position top and lacked Mouthful;Its breach is mutually encapsulated with described collecting tank forward position.
As a further improvement on the present invention, its application be tangential flow filtration system, when system in water body to reach The underflow stream that the formation of filter screen retention is flowed towards collecting tank when dynamic.
As a further improvement on the present invention, filtration system is towed in water body, rather than by being pumped into water or filtrate To form the pressure difference on filter screen both sides.
As a further improvement on the present invention, the front of the filtration system is the dead-end filtration system with parallel rope Be connected by fake with rear tangential flow filtration system so that such combined system when dragging forward, the screen pack to The funnel-form using collecting tank the bottom of as is formed in upper centroclinal dip, the filtration system plane at rear.
As a further improvement on the present invention, when the combined system dragged in water body move ahead when, application it is wherein thicker Dead-end filtration system and tangential flow filtration system compound action, thus most of thicker floating impurity by with blue algae slurry point From.
As a further improvement on the present invention, the floating drum is fixed on upstream or the windward of water body to be protected, or non- Navigate by water water body in, directly described fake is lain on the bank by rope, thus blue-green algae be not only blocked in protected water body it Outside, and it is collected and removes later.
As a further improvement on the present invention, around a waters, a series of floating drum and floating are fixed in intake Filtration system, therefore blue-green algae is not only blocked, and can be collected by collecting tank.
Brief description of the drawings:
Fig. 1 is floating filter system concept floor map.
Fig. 2 is floating filter system set floor map.
Fig. 3 is the lateral cross schematic diagram of collecting tank.
Fig. 4 is the lateral cross schematic diagram of the first basic combination of the invention.
Fig. 5 is the lateral cross schematic diagram of second of collective combinations mode of the invention.
Fig. 6 is the floor map of the third combination of the invention.
Embodiment:
As shown in Figure 1:In the basic embodiment of the present invention, floating filter system is included in two float chains 1, a strip Along sealing-in and the screen pack 2 that falls in below the float chain, one be located in the middle of two float chains and filter screen and its front end with Collecting tank or collection device 3 that they are tightly connected, a succession of weighted rod chain 4 for hanging on the lower edge of screen pack 2 are arranged at each floating The junction of subchain 1 and the fake 5 of the junction of weighted rod chain 4, one under water side hang tether circle tow floating drum 7, and connection The tow strap 6 of the foregoing lower section tether circle of fake 5 and floating drum 7, forms a funnel in the plane.Advantageous alternative is that the float chain 1 is made long tubular airbag by high polymer material, growth cylinder can be stretched after inflating and straight and upright.Advantageous alternative is that the filter screen 2 With smooth surface, high intensity is non-resilient or low elasticity, will not be biodegradable, permeable but can retain most of blue-green algae cluster Group.Advantageous alternative is that with weather-proof Web materials hose-like is seamed at the back side of the upper lower edge of filter screen, to insert long cylinder airbag With weighted rod chain 4.The collecting tank may be selected to make of fiberglass, be equipped with electric trowelling device.The proportion of the tow strap 6 is equal to Or close to 1.
In second technical scheme being derived by first technical scheme shown in Fig. 2, in foregoing basic scheme Front increase a thicker floating filter system.Filter screen 8 therein is relatively thick, can allow for water and blue-green algae passes freely through, but Most of thicker floating object can be filtered.Former and later two floating filter systems are lain in the connection of fake 5 as tow strap 6 and formed shown in Fig. 2 Planar distribution.
In the 3rd technical scheme being derived by the first string shown in Fig. 6, the float on collection device both sides The length of quantity and filter screen.
In all technical schemes, the diameter of float chain 1 and the weight of weighted rod chain 4 all should be selected appropriately, so that Screen pack 2 and filter screen bear enough tension force about 8 and are held substantially flat all the time in water body.
Ideal situation is the bottom for the entrance and afterbody for being separately fixed at collecting tank with airbag 9 and airbag 10 two Portion, user can freely adjust the draft and angle of collecting tank entrance and afterbody by inflating or deflating.Collecting tank On be equipped with scrapper conveyor 11 and be easy to the blue-green algae mud for concentrating porch to scrape to the afterbody of collecting tank.
Shown in Fig. 1 and Fig. 4:In the first embodiment of the present invention, when floating filter system is dragged, tow strap 6 is tight Zhang Shi, the forward upward of screen pack 2 is tilted(Normal points to front upper place), in the plane collecting tank both sides filter screen incline in opposite directions towards center Tiltedly.When filtration system is moved forward, most water can by screen pack, and most blue-green algae cluster will be retained and The forward position of filter screen forms blue-green algae underflow.Because filter screen is towards being acute angle with direction of advance, retained blue-green algae underflow will be along filter Net surface is formed towards the slipstream positioned at funnel bottom collecting tank 3.Favourable way is to make filtering net surface with angular separation of advancing Less than both sides screen pack in plane and the angle of direction of advance, so contribute to prevent or reduce lower edge of the blue-green algae underflow from filter screen Escape.When water condition allows, filter screen length can be up to hundred meters, and vertical height may be at one meter or less than one meter.One As in the case of, floating filter system pace is slow so that the pressure difference very little on filter screen two sides, so that blue-green algae etc. is in screen surface Viscous stifled effect minimize.
Shown in Fig. 2 and Fig. 5:In second of embodiment of the present invention, when combination floating filter system is in wide waters When being dragged forward, afloat thicker debris will be intercepted by the filter screen 8 in front, and water and blue-green algae will easily pass and reach To the screen pack 2 of back.Most of blue-green algae, which will be intercepted by the screen pack 2 of back and be formed high concentration algae slurry, tangentially flows to collecting tank 3.The blue-green algae so collected is purer, and follow-up beneficial utilize more is worth.
In the third embodiment of the invention shown in Fig. 6, the two ends of floating filter system are fixed on two sides(Allow If)Or on the floating drum 7, with wind direction or water (flow) direction formation angle.Filtering net surface(Normal)Oblique upwards it should face blue-green algae Mobile direction.Collecting tank in other words hopper base regardless of whether at center, should all be located at the downstream of blue-green algae moving direction.With it is general Logical oil fence column is compared, and floating filter system not only prevents or reduced blue-green algae into downstream or leeward water body, can also be easier Ground removes these blue-green algaes assembled by collecting the blue algae slurry of concentration in collecting tank.
In all above-mentioned embodiments, the concentration of gained algae slurry is the angle of filter screen and current, dragging speed, wind direction And wind speed, the comprehensive effect of the factor such as the draft of collecting tank.Energetical recommendation drags floating filter system windward.

Claims (10)

1. a kind of floating filter system that blue-green algae is directly filtered out in water body, it is characterised in that;By two float chains, a counterweight Rod chain, a strip screen pack a, collecting tank a, floating drum that fake is just hung with water is constituted;The screen pack back side is along upper Lower both sides sewing is fixed with two screen cloths, and soft pipeline is formed on the upper edge of screen cloth and lower edge, float chain can be penetrated respectively With weighted rod chain;Fake is equipped with each bar float chain and the junction of weighted rod chain and the front of termination;Also include being arranged at Each float chain junction and the fake of weighted rod chain junction, and each float chain junction of connection and weighted rod chain junction The tow strap of fake below fake and floating drum so that when the floating drum is dragged forward, the upward centroclinal dip of screen pack, filtering System forms the funnel using collecting tank the bottom of as in the plane;Wherein screen pack is provided with one on two float middle-of-chain positions top Individual breach;Its breach is mutually encapsulated with described collecting tank forward position.
2. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that;Wherein filtering is situated between Matter is the smooth thin layer filter screen in surface, permeable but can retain stop most blue-green algae bacterioflora and thicker material.
3. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:Its apply be Tangential flow filtration system, the underflow that the formation of screen pack retention is flowed towards collecting tank when system is moved forward in water body Stream.
4. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 3, it is characterised in that:The filtering system The front of system is dead-end filtration system, and is connected with parallel rope by fake with rear tangential flow filtration system so that so Combined system when dragging forward, the screen pack upward centroclinal dip forms in the filtration system plane at rear to collect Groove is the funnel-form at bottom;Wherein thicker dead-end filtration system is to be fully able to, by water and blue-green algae bacterioflora, simply retain thicker Impurity, and the weighted rod chain is replaced by counterweight rope.
5. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:When it is in water Or in water it is dragged when, along the buoyancy and the force action of the lower Action of Gravity Field along weighted rod chain of float chain, whole piece on Screen pack is remained under uniform tension force.
6. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:It is therein to collect Two airbags are respectively fixed with before and after the bottom part down of groove.
7. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:It is therein to collect Screeding device is installed above bottom land.
8. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:Filtration system exists Towed in water body, rather than by being pumped into water or filtrate to form the pressure difference on screen pack both sides.
9. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 4, it is characterised in that:When the combination system When system drags forward in water body, the combination of wherein thicker dead-end filtration system and the rear tangential flow filtration system of application is made With thus most of thicker floating impurity is separated with blue algae slurry.
10. the floating filter system of blue-green algae is directly filtered out in water body as claimed in claim 1, it is characterised in that:The floating drum Upstream or the windward of water body to be protected are fixed on, or in non-navigation water body, described floating drum fake is directly passed through into rope Lie on the bank, thus blue-green algae is not only blocked outside protected water body, and be collected and remove later.
CN201380080960.7A 2013-10-31 2013-11-27 The floating filter system of blue-green algae is directly filtered out in water body Expired - Fee Related CN105764588B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG2013080916A SG2013080916A (en) 2013-10-31 2013-10-31 Floating filter system for in-situ algae removal
SG201308091-6 2013-10-31
PCT/SG2013/000505 WO2015065286A1 (en) 2013-10-31 2013-11-27 Floating filter system for in- situ algae removal

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CN105764588B true CN105764588B (en) 2017-07-28

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CN111296373A (en) * 2020-02-21 2020-06-19 琼台师范学院 Collector for plankton
CN111450617B (en) * 2020-04-14 2021-10-19 李振涛 Filter equipment for river sewage treatment
CN116747591B (en) * 2023-08-22 2023-10-24 山西林海腐植酸科技有限公司 Humic acid production filter equipment
CN116973312B (en) * 2023-09-25 2023-12-12 湖北金浪勘察设计有限公司 River ecology monitoring device

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SG2013080916A (en) 2015-05-28
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