CN103288160B - Device for removing algae in eutrophicated water body by mobile floatation platform and application method thereof - Google Patents
Device for removing algae in eutrophicated water body by mobile floatation platform and application method thereof Download PDFInfo
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- CN103288160B CN103288160B CN201310236600.3A CN201310236600A CN103288160B CN 103288160 B CN103288160 B CN 103288160B CN 201310236600 A CN201310236600 A CN 201310236600A CN 103288160 B CN103288160 B CN 103288160B
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Abstract
The invention provides a device for removing algae in a eutrophicated water body by a mobile floatation platform and an application method thereof, relating to the technical field of environmental protection. The invention can effectively solve the problems of excess dependence on the ship hull, complex structure, high construction and operating cost, incapability of providing appropriate floatation separation environment, low utilization ratio of microbubbles, unideal separation efficiency and the like in the existing floatation ship alga removal device. The device is composed of a floatation separation system, a floating alga residue collecting system, an ultrasonic alga eliminating system, an alga residue dehydration system and the like. A microbubble modifier can be added into a microbubble generation system to enhance the sticking probability between the microbubbles and the alga cells. The device can implement in-situ separation and collection of alga cells in the eutrophicated water body, has an oxygenation aeration function, and can remove nutrient substances capable of inducing large-scale growth of algae to some extent. Besides, the device can be applied to the field of oil sludge separation and collection in a water body.
Description
Technical field
The present invention relates to remove device and the using method thereof of algae, be specifically related to portable air floating platform and remove the apparatus and method of algae in eutrophication water.
Background technology
Lake, reservoir, river, inshore eutrophication problem are emphasis and the difficult problems that China's surface water environment system is administered all the time, Taihu Lake, Dian Chi, Chaohu, Hongchehu Lake, Jiaozhou Bay, Bohai Sea Gulf, Zhujiang River estuario, Deng the burst growth that blue-green algae all occurred, up to this point still there is eutrophication situation in various degree.The burst growth of algae, not only affects water landscape, and causes water ecological setting to worsen, and makes it lose self-purification capacity.If select the water body of eutrophication as quoting water water source, on the one hand, a large amount of frustules enter into water treatment system, can produce many adverse influences to the operation of technique, on the other hand, the algae toxin that frustule discharges is Typical Endocrine Disrupting Chemicals, and HUMAN HEALTH is caused serious injury.Therefore, take rationally effectively except algae means just seem especially important.
At present, for the measure that in eutrophication water, algae removal process is taked, mainly contain physics, chemistry and biological method both at home and abroad, common physical method comprises the processes such as filtration, absorption, membrane sepn, air supporting, its great majority are bank base treatment systems, lack handiness, and pending water needs to promote, and energy consumption is very large.In addition, adopt machinery or manually algae-residue salvaged to efficiency low.Add the method for chemical agent, easily produce secondary pollution, and in the process being killed at frustule, a large amount of algae toxin are discharged into the security that has a strong impact on water quality in water body.Bioremediation, by the artificial ecosystem that builds, as artificial swamp, can directly be removed algae, also can cut down the nutritive substance that brings out algal bloom, but it is effective slow, when algae starts amount reproduction, is difficult to play a role fast.
Air supporting is a kind of typical solid-liquid separation technique, frustule itself is present in water with suspended state exactly simultaneously, therefore by microbubble is incorporated in algae-containing water body, be conducive to the adhesion floating of microbubble and frustule, make air flotation technology bring into play to greatest extent its advantage.For the removal of algae in the wide eutrophication water in waters, there is many drawbacks in bank base air-float technology at present.And directly air-float technology is applied to, in eutrophication water, to realize the air-floating apparatus that algae original position separates very rare, and existing to the system construction except algae air supporting boat equipment, all be overly dependent upon in type hull, complex structure, laid down cost is high, suitable dissolved air flotation environment can not be provided, and microbubble utilization ratio is low, and separation efficiency is undesirable.
Summary of the invention
The object of the invention is to be overly dependent upon hull in order to solve existing air supporting ship treatment unit, complex structure, laid down cost is high, suitable dissolved air flotation environment can not be provided, microbubble utilization ratio is low, the problem that separation efficiency is undesirable, and the portable air floating platform proposing is removed device and the using method thereof of algae in eutrophication water.
Portable air floating platform is removed the device of algae in eutrophication water, is to consist of dissolved air flotation gathering system, floating algae-residue gathering system, algae-residue dewatering system, power system and ultra-sonic generator array;
Wherein, described dissolved air flotation gathering system consists of two parallel floating drums, algae-residue gathering barrel and microbubble generation systems; Two described parallel floating drums provide buoyant support, two parallel floating drums connect by rigid support post, described parallel floating drum hollow, in the middle of parallel floating drum, by transverse section dividing plate, each floating drum is divided into two storage areas, microbubble generation systems is pressure air-dissolving microbubble generation systems or Airfloat pump microbubble generation systems; Described pressure air-dissolving microbubble generation systems consists of booster water pump, pressure air-dissolving tank, piston type air compressor and the reliever that stretches under water, described piston type air compressor air outlet and the water outlet of booster water pump are communicated with inlet mouth and the water-in of pressure air-dissolving tank respectively, and the outlet of pressure air-dissolving tank is communicated with the import of reliever; The outlet of reliever passes in water body, described Airfloat pump microbubble generation systems consists of polyphasic flow Airfloat pump, knockout drum and reliever, the gas-liquid two-phase spout of described polyphasic flow Airfloat pump is communicated with knockout drum entrance, and the outlet of knockout drum is communicated with the import of reliever; The outlet of reliever passes in water body;
Described floating algae-residue gathering system by two pull algae cantilever, pusher algae water automatically separate screen be arranged on pusher algae water automatically the algae-residue receiving tank at separate screen rear form; It is that the smooth surface that enters the intermediate projections that the micropore turbogrid plates in water body are connected with its rear end by a slice oblique cutting forms that described pusher algae water separates screen automatically, both with bolts or welding, the smooth surface two ends floating drum parallel with two of intermediate projections is bolted, the welding of algae-residue receiving tank floating drum parallel with two or bolt connect, algae-residue receiving tank be arranged at intermediate projections smooth surface trailing edge under;
Described algae-residue dewatering system consists of algae-residue suction water pump and accurate filter; Described algae-residue suction pump outlet is communicated with accurate filter water-in, and the outlet of algae-residue gathering barrel is communicated with the entrance of algae-residue suction water pump; Two described ultra-sonic generator arrays are separately positioned on two parallel floating drum outsides of portable air floating platform;
Described microbubble generation systems, power system, algae-residue dewatering system are all arranged on service platform, and service platform is arranged on parallel floating drum top.
The device using method that the portable air floating platform that the present invention proposes is removed algae in eutrophication water completes by following concrete steps:
One, portable air floating platform moves on the water surface with the speed of 50～1000m/h, by reliever in dissolved air flotation gathering system, produce micron order and nano level microbubble, and adhere to the frustule in flow section water body in the middle of two the parallel floating drums of flowing through, make frustule float to the water surface and form algae-residue, by algae-residue gathering barrel, the algae-residue that floats to the water surface is collected;
Two, pull algae cantilever and draw in and assemble and automatically separate in the algae-residue receiving tank that screen drops into screen rear by pusher algae water swimming in algae-residue on the water surface for two of portable air floating platform, and along the low algae-residue receiving tank in middle high two ends, be slipped in the storage area of parallel floating drum front end and store;
Three, the algae-residue of collecting in parallel floating drum front end storage area and algae-residue gathering barrel, through the dehydration of algae-residue dewatering system, shifts the dry algae-residue after dehydration in the storage area that enters parallel floating drum rear end and stores;
Wherein, in step 1, to the portable air floating platform operational process of step 3, be arranged on two ultra-sonic generator arrays in parallel floating drum outside, utilize ultrasonic wave the suspension frustule in surface water to be killed simultaneously.
The long-width ratio of the portable air floating platform in the portable air floating platform removal of the present invention eutrophication water in the device of algae is 2～4:1, travelling speed>=0m/h, economical operation speed is 50m/h～1000m/h, in economical operation velocity range, the length of air floating platform is chosen to be 4～50m, width is chosen to be 2～20m, the depth of immersion of reliever in water is chosen to be 0.5～3.0m, multiple relievers are fixed by the support being arranged between two parallel floating drums, and the portable air floating platform unit time is processed water yield 50m
3/ h～10000m
3/ h, purifying water body area 100m
2/ h～20000m
2/ h; The recirculation water that in microbubble generation systems, the unit time participates in molten gas measures and is decided to be the 5%～30%(that processes the water yield in the unit time and by volume calculates), the air capacity being provided by air compressor machine in pressure air-dissolving microbubble generation systems is controlled at the 1～10%(that processes the water yield in the unit time and by volume calculates), the working pressure of pressure air-dissolving tank is controlled at 0.2MPa～0.8MPa; Polyphasic flow Airfloat pump negative inspiratory pressure amount in Airfloat pump microbubble generation systems is controlled at the 1～10%(that processes the water yield in the unit time and by volume calculates), the pressure-controlling of knockout drum is at 0.2MPa～0.8MPa.
The present invention comprises following beneficial effect:
The device that the portable air floating platform that the present invention proposes is removed algae in eutrophication water mainly contains three functions: the one, and, utilize dissolved air flotation process to carry out separated and collected to the frustule that suspends in water body; The 2nd,, utilize automatic algae-residue to salvage assembly the floating algae-residue on the water surface is collected, and the process such as storage, dehydration and the transhipment of later stage algae-residue that two processes are collected; The 3rd,, the ultrasonic wave of utilizing the ultra-sonic generator array that is arranged on parallel floating drum both sides to produce is destroyed the pseudo-cavity (air bag) of the blue-green algae that swims, makes frustule lose floating ability, is deposited to water body deep and removes.
The device that the portable air floating platform of the present invention is removed algae in eutrophication water is compared with existing air supporting ship algae-removing device, it is advantageous that the support of being completely free of hull, only rely on one group of parallel floating drum to provide buoyant support to get final product constructing function platform, greatly reduce the cost of its construction, simple structure, design and easy to process.Portable air floating platform integrates air floatation alga removing and automatically drags for algae and algae-residue dehydrating function, and its non_mechanical of all having realized algae-residue in floating algae-residue gathering system and air supporting separation system is collected automatically.And really having realized the original position of algae water in eutrophication water separates.
The present invention is by microbubble generation systems, adds metal coagulating agent, cats product, cationic polymers, chitosan, modified chitosan derivative microbubble is carried out to positive charge modification.Make microbubble surface element subregion show positive polarity.Frustule in eutrophication micro-polluted surface water body, Humus larger molecular organics, colloid and mineral grain, cause and smell taste material, nanoparticle, giardia lamblia and Cryptosporidium, all aobvious electronegativities in various degree of pathogenic micro-organism, the present invention uses microbubble positive charge modification technology in dissolved air flotation gathering system, nontoxic by adding, harmless, the microbubble properties-correcting agent of readily biodegradable, microbubble is carried out to modification, can improve frustule and other colloids in microbubble and water positively charged after modification, particulate matter, the adhesive efficiency of the pollution substances such as pathogenic micro-organism, can make up to a certain extent due to the mixed cell that lacks microbubble and frustule, and the problem that the adhesive efficiency of bringing reduces.Can obtain desirable separated and collected efficiency, can not bring secondary pollution owing to adding chemical agent again.
The present invention is applied in the eutrophication water of algae excessive growth, not only can remove fast and effectively algae in water, and air supporting process itself is exactly the process of an oxygenic aeration, for the lifting of dissolved oxygen content in water body and the recovery of self-purification capacity, all can play positive promoter action.Can effectively destroy the release of nitrogen, phosphorus nutrition material in water body layering and inhibition Sediments.In this external microbubble floating-upward process except main and frustule adhere to, can also adhere to a large amount of soil ulmin, protein-based organic substance and suspension organic granular, can cut down to a certain extent the nutrition source content that brings out algae excessive growth, really reach and treat both principal and secondary aspect of disease.
The present invention is by ultrasonic algae removing technology and air floatation alga removing and automatically drag for algae technology and combine, utilization is arranged on the ultrasonic wave of the ultra-sonic generator array transmitting of parallel floating drum both sides and destroys the pseudo-cavity (air bag) of the blue-green algae that swims, make frustule lose floating ability, being deposited to water body deep removes, ultrasonic technique algae removal technology is the technology of blue-green algae in a kind of safe, economic removal earth surface water source water body, easy and simple to handle, use safety, efficiency high, be difficult for causing secondary pollution, it is combined and makes it have more handiness with air supporting hull, has realized ultrasonic original position except algae.
The present invention all can be used as the effective means of algae minimizing at the different times of body eutrophication, eutrophication early stage and initial stage can utilize its dissolved air flotation gathering system and ultrasonic algae removal system to carry out minimizing to algae, reduce the risk of alga eruption growth; The intermediary and later stages of alga eruption growth in eutrophication process, can utilize its dissolved air flotation gathering system, mounted ultrasonic algae removal system and floating algae-residue gathering system synergy, algae is effectively removed, simultaneously can be according to the surface water body type difference of concrete application, select air-floated movable platform and the corresponding economical operation speed of different size, at the less continental river road, city of flow section, the undersized air-floated movable platform of the optional use in view lake; In the larger river of flow section, river, lake, reservoir, artificial swamp, inshore, can select larger-size.The concrete layout number of units of air floating platform determines according to algal grown situation and water surface area, can arrange that many simultaneously except algae in subregion.
In addition the present invention can also be applied to the cleaning removal of greasy dirt in water body, comprises offshore drilling platform leakage, is leaked to the emergent cleaning of greasy dirt in water body after Calculation of Ship Grounding's, especially petrochemical complex product ships that transport accident are stranded.As the generation of U.S.'s Gulfian crude oil leakage event in 2010 and Kang Fei in June, 2011 Peng Lai oil spill events.The present invention both can collect the greasy dirt of floating on water, now pusher algae water automatically separates screen and is equivalent to weir skimmer, can utilize again microbubble to carry out separated and collected to the emulsified oil droplet of suspended state, and the adhesion removal efficiency that adds meeting raising positive charge microbubble and negative charge suspension oil droplet of microbubble improved chemical.
Accompanying drawing explanation
Fig. 1 is that portable air floating platform of the present invention is removed the device vertical view of algae in eutrophication water;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
In conjunction with Fig. 1 to Fig. 4, carry out the description of embodiment one.
Embodiment one: portable air floating platform device as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the portable air floating platform of present embodiment is removed the device of algae in eutrophication water, is to consist of dissolved air flotation gathering system, floating algae-residue gathering system, algae-residue dewatering system C, power system D and ultra-sonic generator array E;
Wherein, described dissolved air flotation gathering system consists of two parallel floating drums 1, algae-residue gathering barrel 2 and microbubble generation systems A1; Two described parallel floating drums 1 provide buoyant support, two parallel floating drums 1 connect by rigid support post, described parallel floating drum 1 hollow, in the middle of parallel floating drum 1, by transverse section dividing plate, each floating drum is divided into storage area 1-2 and 1-3, microbubble generation systems A1 is pressure air-dissolving microbubble generation systems or Airfloat pump microbubble generation systems; Described pressure air-dissolving microbubble generation systems consists of booster water pump 3, pressure air-dissolving tank 4, piston type air compressor 5 and the reliever 6 that stretches under water, described piston type air compressor 5 air outlets and the water outlet of booster water pump 3 are communicated with inlet mouth and the water-in of pressure air-dissolving tank 4 respectively, and the outlet of pressure air-dissolving tank 4 is communicated with the import of reliever 6; The outlet of reliever 6 passes in water body, described Airfloat pump microbubble generation systems consists of polyphasic flow Airfloat pump 15, knockout drum 16 and reliever 6, the gas-liquid two-phase outlet of described polyphasic flow Airfloat pump 15 is communicated with knockout drum 16 entrances, and the outlet of knockout drum 16 is communicated with the import of reliever 6; The outlet of reliever 6 passes in water body;
Described floating algae-residue gathering system by two pull algae cantilever 9, pusher algae water automatically separate screen be arranged on pusher algae water automatically the algae-residue receiving tank 11 at separate screen rear form; It is that the smooth surface 10-1 that enters the intermediate projections that the micropore turbogrid plates 10-2 in water body is connected with its rear end by a slice oblique cutting forms that described pusher algae water separates screen automatically, both with bolts or welding, the smooth surface 10-1 two ends floating drum 1 parallel with two of intermediate projections is bolted, algae-residue receiving tank 11 floating drum 1 parallel with two weld or bolt connect, algae-residue receiving tank 11 be arranged at intermediate projections smooth surface 10-1 trailing edge under;
Described algae-residue dewatering system C consists of algae-residue suction water pump 7 and accurate filter 8; Described algae-residue suction water pump 7 water outlets are communicated with accurate filter 8 water-ins, and the outlet of algae-residue gathering barrel 2 is communicated with the entrance of algae-residue suction water pump 7; Two described ultra-sonic generator array E are separately positioned on two parallel floating drum 1 outsides of portable air floating platform;
Described microbubble generation systems A1, power system D, algae-residue dewatering system C are all arranged on service platform 12, and service platform 12 is arranged on parallel floating drum 1 top.
The service platform 12 of present embodiment is the platform forming by crossing guidance tape or waffle slab.
Present embodiment comprises following beneficial effect:
The device that the portable air floating platform that present embodiment proposes is removed algae in eutrophication water mainly contains three functions: the one, and, utilize dissolved air flotation process to carry out separated and collected to the frustule that suspends in water body; The 2nd,, utilize automatic algae-residue to salvage assembly the floating algae-residue on the water surface is collected, and the process such as storage, dehydration and the transhipment of later stage algae-residue that two processes are collected; The 3rd,, the ultrasonic wave of utilizing the ultra-sonic generator array that is arranged on parallel floating drum both sides to produce is destroyed the pseudo-cavity (air bag) of the blue-green algae that swims, makes frustule lose floating ability, is deposited to water body deep and removes.
The device that the portable air floating platform of present embodiment is removed algae in eutrophication water is compared with existing air supporting ship algae-removing device, it is advantageous that the support of being completely free of hull, only rely on one group of parallel floating drum to provide buoyant support to get final product constructing function platform, greatly reduce the cost of its construction, simple structure, design and easy to process.Portable air floating platform integrates air floatation alga removing and automatically drags for algae and algae-residue dehydrating function, and its non_mechanical of all having realized algae-residue in floating algae-residue gathering system and air supporting separation system is collected automatically.And really having realized the original position of algae water in eutrophication water separates.
Present embodiment is by microbubble generation systems, adds metal coagulating agent, cats product, cationic polymers, chitosan, modified chitosan derivative microbubble is carried out to positive charge modification.Make microbubble surface element subregion show positive polarity.Frustule in eutrophication micro-polluted surface water body, Humus larger molecular organics, colloid and mineral grain, cause and smell taste material, nanoparticle, giardia lamblia and Cryptosporidium, all aobvious electronegativities in various degree of pathogenic micro-organism, present embodiment is used microbubble positive charge modification technology in dissolved air flotation gathering system, nontoxic by adding, harmless, the microbubble properties-correcting agent of readily biodegradable, microbubble is carried out to modification, can improve frustule and other colloids in microbubble and water positively charged after modification, particulate matter, the adhesive efficiency of the pollution substances such as pathogenic micro-organism, can make up to a certain extent due to the mixed cell that lacks microbubble and frustule, and the problem that the adhesive efficiency of bringing reduces.Can obtain desirable separated and collected efficiency, can not bring secondary pollution owing to adding chemical agent again.
Present embodiment is applied in the eutrophication water of algae excessive growth, not only can remove fast and effectively algae in water, and air supporting process itself is exactly the process of an oxygenic aeration, for the lifting of dissolved oxygen content in water body and the recovery of self-purification capacity, all can play positive promoter action.Can effectively destroy the release of nitrogen, phosphorus nutrition material in water body layering and inhibition Sediments.In this external microbubble floating-upward process except main and frustule adhere to, can also adhere to a large amount of soil ulmin, protein-based organic substance and suspension organic granular, can cut down to a certain extent the nutrition source content that brings out algae excessive growth, really reach and treat both principal and secondary aspect of disease.
Present embodiment is by ultrasonic algae removing technology and air floatation alga removing and automatically drag for algae technology and combine, utilization is arranged on the ultrasonic wave of the ultra-sonic generator array transmitting of parallel floating drum both sides and destroys the pseudo-cavity (air bag) of the blue-green algae that swims, make frustule lose floating ability, being deposited to water body deep removes, ultrasonic technique algae removal technology is the technology of blue-green algae in a kind of safe, economic removal earth surface water source water body, easy and simple to handle, use safety, efficiency high, be difficult for causing secondary pollution, it is combined and makes it have more handiness with air supporting hull, has realized ultrasonic original position except algae.
Present embodiment all can be used as the effective means of algae minimizing at the different times of body eutrophication, eutrophication early stage and initial stage can utilize its dissolved air flotation gathering system and ultrasonic algae removal system to carry out minimizing to algae, reduce the risk of alga eruption growth; The intermediary and later stages of alga eruption growth in eutrophication process, can utilize its dissolved air flotation gathering system, mounted ultrasonic algae removal system and floating algae-residue gathering system synergy, algae is effectively removed, simultaneously can be according to the surface water body type difference of concrete application, select air-floated movable platform and the corresponding economical operation speed of different size, at the less continental river road, city of flow section, the undersized air-floated movable platform of the optional use in view lake; In the larger river of flow section, river, lake, reservoir, artificial swamp, inshore, can select larger-size.The concrete layout number of units of air floating platform determines according to algal grown situation and water surface area, can arrange that many simultaneously except algae in subregion.
In addition present embodiment can also be applied to the cleaning removal of greasy dirt in water body, comprises offshore drilling platform leakage, is leaked to the emergent cleaning of greasy dirt in water body after Calculation of Ship Grounding's, especially petrochemical complex product ships that transport accident are stranded.As the generation of U.S.'s Gulfian crude oil leakage event in 2010 and Kang Fei in June, 2011 Peng Lai oil spill events.Present embodiment both can be collected the greasy dirt of floating on water, now pusher algae water automatically separates screen and is equivalent to weir skimmer, can utilize again microbubble to carry out separated and collected to the emulsified oil droplet of suspended state, and the adhesion removal efficiency that adds meeting raising positive charge microbubble and negative charge suspension oil droplet of microbubble improved chemical.
Embodiment two: present embodiment is different from embodiment one: the material of described parallel floating drum 1 is stainless steel, aluminium alloy, plastics, glass reinforced plastic, synthetic resins or polyurethane material, described parallel floating drum 1 section form is not limit, parallel floating drum 1 section be curved surface and plane mutually combine surround, separately curved surface surrounds or plane surrounds.Other are identical with embodiment one.
In present embodiment, parallel floating drum 1 and section type thereof are for enough buoyant support and drafts are provided, and for air supporting process provides the water surrounding of sealing, and reduce the running resistance in water.
Embodiment three: present embodiment is different from embodiment one or two: microbubble positive charge improved chemical throwing device 13 is set in described microbubble generation systems A1, described microbubble positive charge improved chemical throwing device 13 is arranged on service platform 12, and microbubble positive charge improved chemical throwing device 13 medicine outlets are communicated with the feeding opening of pressure air-dissolving tank 4 or knockout drum 16; The microbubble positive charge improved chemical that described microbubble positive charge improved chemical throwing device 13 adds is metal coagulating agent, cats product, cationic polymers, chitosan or modified chitosan derivative, and added amount of chemical is 0.1mg/L～30mg/L;
If microbubble generation systems A1 is pressure air-dissolving microbubble generation systems, microbubble positive charge improved chemical adopt pressure air-dissolving tank 4 directly add or tank before add;
If microbubble generation systems A1 is Airfloat pump microbubble generation systems, microbubble positive charge improved chemical adopts and adds before polyphasic flow Airfloat pump 15 pumps or knockout drum 16 directly adds.Other is identical with embodiment one or two.
In present embodiment, chitosan and modified chitosan derivative are nontoxic, harmless, have good biocompatibility and biodegradable, can except in algae, apply at the surface water body as drinking water resource.
Embodiment four: present embodiment is different from one of embodiment one to three: metal coagulating agent is the one or more combination in aluminum chloride, Tai-Ace S 150, ferrous sulfate, ferric sulfate, iron(ic) chloride, poly-ferric chloride, polymerize aluminum chloride and polyaluminium sulfate.Other is identical with one of embodiment one to three.
Embodiment five: present embodiment is different from one of embodiment one to four: cats product is the one or more combination in fatty amines cats product, quaternary cationics, ring-type cats product, aggretion type cats product, fluorine-containing quaternary cationics, siliceous quaternary cationics and amine oxide cats product.Other is identical with one of embodiment one to four.
Embodiment six: present embodiment is different from one of embodiment one to five: cationic polymers is one or both combinations in polyamine cation polymkeric substance and polyquaternium cationoid polymkeric substance.Other is identical with one of embodiment one to five.
Embodiment seven: present embodiment is different from one of embodiment one to six: modified chitosan is the chitosan derivatives after acidylate, amination, etherificate, esterification, grafting, crosslinked or blending reaction modification.Other is identical with one of embodiment one to six.
Chitosan derivatives in present embodiment after modification, have nontoxic, harmless, the advantage of readily biodegradable, and there is higher positive charge density and water-soluble preferably.
Embodiment eight: present embodiment is different from one of embodiment one to seven: the drum surface of described algae-residue gathering barrel 2 has the slag inlet 2-1 along its axial distribution, algae-residue gathering barrel 2 both ends of the surface centers connect with the parallel floating drum of two by fixed rotating shaft, by rotation, regulate the slag inlet 2-1 draft of algae-residue gathering barrel 2, described draft is 1.0～1.2 times of algae-residue thickness on the water surface.Other is identical with one of embodiment one to seven.
The algae-residue gathering barrel 2 of present embodiment can regulate by rotation axis the height of algae-residue gathering barrel opening, to guarantee that air floating platform all can effectively collect floating algae-residue different drafts and the different scum silica frost thickness in the situation that automatically.
Embodiment nine: present embodiment is different from one of embodiment one to eight: reliever 6 is TJ type reliever, TV type reliever, TS type reliever, reducing valve reliever or micropore reliever.Other is identical with one of embodiment one to eight.
Embodiment ten: present embodiment is different from one of embodiment one to nine: be provided with " Y " shape strainer between the booster water pump 3 in described pressure air-dissolving microbubble generation systems A1 and pressure air-dissolving tank 4; Between polyphasic flow Airfloat pump 14 in Airfloat pump microbubble generation systems A1 and knockout drum 15, be provided with " Y " shape strainer, other is identical with one of embodiment one to nine.
Embodiment 11: present embodiment is different from one of embodiment one to ten: pull algae cantilever 9 for symmetroid structure for described two, pull algae cantilever 9 for every and form frame supported thing by light-duty stainless steel or aluminum alloy materials, in frame supported thing, be inlaid with the screen cloth or the filter cloth that are microvoid structure; Other is identical with one of embodiment one to ten.
It is 10～30cm that two of present embodiment pull the height of algae cantilever 9 more than the water surface, the height being deep in water is 10～30cm, pull algae cantilever 9 ends for two and be connected with portable air floating platform by fixed rotating shaft, pull algae cantilever 9 for two and be all greater than 1.5m in the projecting length of portable air floating platform working direction;
Length and the opening width of in this implementation step, pulling algae cantilever 9 are all adjustable, when the water surface, two cantilevers can be regained during without floating algae-residue, be individually fixed in the outside of two parallel floating drums.
Embodiment 12: present embodiment is different from one of embodiment one to ten: the smooth surface 10-1 that a slice oblique cutting that described pusher algae water separates screen automatically enters the intermediate projections that turbogrid plates 10-2 in water body and its rear end connect forms " V " font and piles up groove in junction; Wherein, the angle of turbogrid plates 10-2 and horizontal plane is 5～60 °, and the vertical height that turbogrid plates 10-2 is inserted in water is 20～70cm.Other is identical with one of embodiment one to 12.
It is adjustable up and down that pusher algae water described in present embodiment separates the height of screen automatically, and micropore screen and horizontal plane angle size are adjustable, to adapt to the variation of air floating platform draft and floating on water algae-residue layer thickness.
Embodiment 13: present embodiment is different from one of embodiment one to 12: described two ultra-sonic generator array E that are arranged on parallel floating drum 1 outside, by dozens of ultrasonic vibrator 17 and Stainless steel mesh, form, the transmitted power of ultrasonic vibrator is 0.1～2kw, frequency is 15～100kHz, the ultrasonic vibrator 17 of each side is arranged on the Nodes of stainless (steel) wire lattice structure, form ultra-sonic generator array E, two ultra-sonic generator array E are bolted with four groups of vertical chutes that are arranged on parallel floating drum 1 outside by its four main stress muscle, two ultra-sonic generator array E degree of depth in water is 0～1m.Other is identical with one of embodiment one to 12.
Embodiment 14: present embodiment is different from one of embodiment one to 13: described power system D provides power jointly for a kind of in diesel generation power system or solar power system or two kinds; Wherein, solar electrical energy generation is the top that the solar panel in system is arranged on sunshade 14, and described sunshade 14 is fixed on service platform 12.Other is identical with one of embodiment one to 13.
Embodiment 15: present embodiment is different from one of embodiment one to 14 is that in the middle of described floating algae-residue receiving tank 11, high both sides are low, algae-residue receiving tank 11 both sides are with 5%～50% gradient slope aspect two side floats, and are communicated with the storage space 1-2 of floating drum front end.Other is identical with one of embodiment one to 14.
Embodiment 16: the portable air floating platform of present embodiment is removed the using method of the device of algae in eutrophication water, completes by following concrete steps:
One, portable air floating platform moves on the water surface with the speed of 50～1000m/h, by reliever 6 in dissolved air flotation gathering system, produce micron order and nano level microbubble, and adhere to the frustule in flow section water body in the middle of two the parallel floating drums of flowing through, make frustule float to the water surface and form algae-residue, by algae-residue gathering barrel 2, the algae-residue that floats to the water surface is collected;
Two, pull algae cantilever 9 and draw in and assemble and automatically separate in the algae-residue receiving tank 11 that screen drops into screen rear by pusher algae water swimming in algae-residue on the water surface for two of portable air floating platform, and along the low algae-residue receiving tank 11 in middle high two ends, be slipped in the storage area 1-2 of parallel floating drum front end and store;
Three, the algae-residue of collecting in parallel floating drum front end storage area 1-2 and algae-residue gathering barrel 2, through algae-residue dewatering system C dehydration, shifts the dry algae-residue after dehydration in the storage area 1-3 that enters parallel floating drum rear end and stores;
Wherein, in step 1, to the portable air floating platform operational process of step 3, be arranged on two ultra-sonic generator array E in parallel floating drum 1 outside, utilize ultrasonic wave the suspension frustule in surface water to be killed simultaneously.
In present embodiment, the long-width ratio of portable air floating platform is 2～4, travelling speed>=0m/h, economical operation speed 50m/h～1000m/h, in economical operation velocity range, the length of air floating platform is chosen to be 4～50m, and width is chosen to be 2～20m, and the depth of immersion of reliever 6 in water is chosen to be 0.5～3.0m, the microbubble diameter that reliever 6 produces is 10～60 μ m, and the portable air floating platform unit time is processed water yield 50m
3/ h～10000m
3/ h, purifying water body area 100m
2/ h～20000m
2/ h;
In present embodiment step 1, the recirculation water that in microbubble generation systems A1, the unit time participates in molten gas measures and is decided to be the 5%～30%(that processes the water yield in the unit time and by volume calculates), recirculation water can be former water or floating water afterwards; The air capacity being provided by air compressor machine in pressure air-dissolving microbubble generation systems is controlled at the 1～10%(that processes the water yield in the unit time and by volume calculates), the working pressure of pressure air-dissolving tank is controlled at 0.2MPa～0.8MPa; Polyphasic flow Airfloat pump negative inspiratory pressure amount in Airfloat pump microbubble generation systems is controlled at the 1～10%(that processes the water yield in the unit time and by volume calculates), the pressure-controlling of knockout drum is at 0.2MPa～0.8MPa.
In present embodiment step 2, the dry algae-residue after dehydration is transferred to the interior temporary transient storage in space 3 of parallel floating drum rear end, removes moisture and directly flows back in water body.Dry algae-residue after dehydration can prop up regular unloading transhipment by support vessel.
Present embodiment comprises following beneficial effect:
The device that the portable air floating platform that present embodiment proposes is removed algae in eutrophication water mainly contains three functions: the one, and, utilize dissolved air flotation process to carry out separated and collected to the frustule that suspends in water body; The 2nd,, utilize automatic algae-residue to salvage assembly the floating algae-residue on the water surface is collected, and the process such as storage, dehydration and the transhipment of later stage algae-residue that two processes are collected; The 3rd,, the ultrasonic wave of utilizing the ultra-sonic generator array that is arranged on parallel floating drum both sides to produce is destroyed the pseudo-cavity (air bag) of the blue-green algae that swims, makes frustule lose floating ability, is deposited to water body deep and removes.
The device that the portable air floating platform of present embodiment is removed algae in eutrophication water is compared with existing air supporting ship algae-removing device, it is advantageous that the support of being completely free of hull, only rely on one group of parallel floating drum to provide buoyant support to get final product constructing function platform, greatly reduce the cost of its construction, simple structure, design and easy to process.Portable air floating platform integrates air floatation alga removing and automatically drags for algae and algae-residue dehydrating function, and its non_mechanical of all having realized algae-residue in floating algae-residue gathering system and air supporting separation system is collected automatically.And really having realized the original position of algae water in eutrophication water separates.
Present embodiment is by microbubble generation systems, adds metal coagulating agent, cats product, cationic polymers, chitosan, modified chitosan derivative microbubble is carried out to positive charge modification.Make microbubble surface element subregion show positive polarity.Frustule in eutrophication micro-polluted surface water body, Humus larger molecular organics, colloid and mineral grain, cause and smell taste material, nanoparticle, giardia lamblia and Cryptosporidium, all aobvious electronegativities in various degree of pathogenic micro-organism, present embodiment is used microbubble positive charge modification technology in dissolved air flotation gathering system, nontoxic by adding, harmless, the microbubble properties-correcting agent of readily biodegradable, microbubble is carried out to modification, can improve frustule and other colloids in microbubble and water positively charged after modification, particulate matter, the adhesive efficiency of the pollution substances such as pathogenic micro-organism, can make up to a certain extent due to the mixed cell that lacks microbubble and frustule, and the problem that the adhesive efficiency of bringing reduces.Can obtain desirable separated and collected efficiency, can not bring secondary pollution owing to adding chemical agent again.
Present embodiment is applied in the eutrophication water of algae excessive growth, not only can remove fast and effectively algae in water, and air supporting process itself is exactly the process of an oxygenic aeration, for the lifting of dissolved oxygen content in water body and the recovery of self-purification capacity, all can play positive promoter action.Can effectively destroy the release of nitrogen, phosphorus nutrition material in water body layering and inhibition Sediments.In this external microbubble floating-upward process except main and frustule adhere to, can also adhere to a large amount of soil ulmin, protein-based organic substance and suspension organic granular, can cut down to a certain extent the nutrition source content that brings out algae excessive growth, really reach and treat both principal and secondary aspect of disease.
Present embodiment is by ultrasonic algae removing technology and air floatation alga removing and automatically drag for algae technology and combine, utilization is arranged on the ultrasonic wave of the ultra-sonic generator array transmitting of parallel floating drum both sides and destroys the pseudo-cavity (air bag) of the blue-green algae that swims, make frustule lose floating ability, being deposited to water body deep removes, ultrasonic technique algae removal technology is the technology of blue-green algae in a kind of safe, economic removal earth surface water source water body, easy and simple to handle, use safety, efficiency high, be difficult for causing secondary pollution, it is combined and makes it have more handiness with air supporting hull, has realized ultrasonic original position except algae.
Present embodiment all can be used as the effective means of algae minimizing at the different times of body eutrophication, eutrophication early stage and initial stage can utilize its dissolved air flotation gathering system and ultrasonic algae removal system to carry out minimizing to algae, reduce the risk of alga eruption growth; The intermediary and later stages of alga eruption growth in eutrophication process, can utilize its dissolved air flotation gathering system, mounted ultrasonic algae removal system and floating algae-residue gathering system synergy, algae is effectively removed, simultaneously can be according to the surface water body type difference of concrete application, select air-floated movable platform and the corresponding economical operation speed of different size, at the less continental river road, city of flow section, the undersized air-floated movable platform of the optional use in view lake; In the larger river of flow section, river, lake, reservoir, artificial swamp, inshore, can select larger-size.The concrete layout number of units of air floating platform determines according to algal grown situation and water surface area, can arrange that many simultaneously except algae in subregion.
In addition present embodiment can also be applied to the cleaning removal of greasy dirt in water body, comprises offshore drilling platform leakage, is leaked to the emergent cleaning of greasy dirt in water body after Calculation of Ship Grounding's, especially petrochemical complex product ships that transport accident are stranded.As the generation of U.S.'s Gulfian crude oil leakage event in 2010 and Kang Fei in June, 2011 Peng Lai oil spill events.Present embodiment both can be collected the greasy dirt of floating on water, now pusher algae water automatically separates screen and is equivalent to weir skimmer, can utilize again microbubble to carry out separated and collected to the emulsified oil droplet of suspended state, and the adhesion removal efficiency that adds meeting raising positive charge microbubble and negative charge suspension oil droplet of microbubble improved chemical.
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment
Concrete embodiment, the device that adopts portable air floating platform of the present invention to remove algae in eutrophication water carries out algae original position minimizing experiment to south China eutrophic lake.
1) portable air floating platform parameter arranges as follows:
The flow section width that parallel floating drum 1 forms is 5m, length is 15m, the degree of depth of reliever 6 in water is 1.0m, air floating platform is with the speed operation of 160m/h, adopt pressure air-dissolving microbubble generation systems, the dissolved-air pressure of pressure air-dissolving tank 4 is controlled at 0.4～0.6Mpa, control of reflux ratio at 10%(by volume), in pressure air-dissolving tank, add amination modifying chitosan derivatives-Hydroxyproyl Trimethyl quaternary ammonium chitosan as microbubble positive charge improved chemical, dosage is 2mg/L, booster water pump 3 lifts are 35m, adopt FG30 type piston type air compressor, gas production rate 0.3m
3/ min,
Two are pulled the projecting length of algae cantilever 9 in air floating platform working direction is 3m, control opening angle make two pull algae cantilever 9 foremost width be 1.2 times of the flow section width that forms of two parallel floating drums 1, be that opening width is 6m, turbogrid plates 10-1 and horizontal plane angle that pusher algae water separates screen are automatically set as 30 °;
The ultra-sonic generator array E width of floating drum both sides is respectively 2.5m, and the frequency of ultrasonic generator is 20kHz, power 40W;
2) to carry out algae minimizing specific implementation process as follows for portable air floating platform:
One, portable air floating platform on the water surface with 160m/h speed to overtake, pressure air-dissolving microbubble generation systems A1 in dissolved air flotation gathering system is by reliever 6, produce diameter micron order and the nano level surface microbubble with positive charge, reliever is following air floating platform together in proal process, microbubble is dispersed on the flow section between two parallel floating drums uniformly, microbubble adheres to frustule and other particulate pollutants in the process rising, form bubbling polymerization body, bubbling polymerization body floats to the water surface and forms scum layer, and finally by the algae-residue gathering barrel 2 of coming that moves from rear, collected removal, the draft of the slag inlet 2-1 of algae-residue gathering barrel 2 is 2cm,
Two, air floating platform on the water surface with 160m/h speed to overtake, swimming in algae-residue on the water surface pulls two of air floating platform front under the gathering congregation of algae cantilever 9, at pusher algae water, automatically separate screen front and form certain piling height, then algae-residue is crossed turbogrid plates 10-2, along the smooth surface 10-1 of intermediate projections, drop in the algae-residue receiving tank 11 of the screen back lower place, and temporarily store in the final storage area 1-2 that is slipped to two parallel floating drum 1 front ends along tipper, scum silica frost in two parallel floating drum 1 front end storage area 1-2 and algae-residue gathering barrel 2 is through the effect dehydration of algae-residue dewatering system C, dry algae-residue after dehydration shifts temporary transient storage in the storage area 1-3 that enters two parallel floating drum rear ends, the moisture removing directly flows back in water body, dry algae-residue after dehydration is regularly transported bank back by auxiliary ship and is further disposed,
Three, air floating platform on the water surface with 160m/h speed to overtake, the ultra-sonic generator array E of two parallel floating drum 1 both sides of air floating platform is installed, utilize ultrasonic wave to destroy the pseudo-cavity (air bag) of the blue-green algae that swims, make frustule lose floating ability, be deposited to water body deep and remove, further strengthen portable air floating platform except algae effect;
3) to carry out the test-results of algae minimizing as follows for portable air floating platform:
It is 800m that the dissolved air flotation gathering system unit time of this movable type air floating platform is processed the algae-containing water water yield
3/ h, is 4 ‰ containing the massfraction of frustule in the former water of algae, and dissolved air flotation gathering system can reach 85% to algae removal rate, and in the unit time, algae-residue generation is 2.5t/h(water ratio 95%); In the floating algae-residue gathering system unit time, salvaging area is 960m
2/ h, the floating algae-residue of eutrophic water surface reaches grade, the algae-residue collecting amount that suspends is 3.5t/h(water ratio 95%); In the ultra-sonic generator array E unit time, ultrasonic algae removal water surface area is 800m
2/ h;
To sum up, portable air floating platform is per hour can be to nearly 1000m
3algae-containing water carries out dissolved air flotation processing, per hour can be to nearly 2000m
2algae-containing water face is salvaged and ultrasonic algae removal automatically.Can be to find out that the present invention is in the high efficiency aspect eutrophic water algae removal from above data.The size of portable air floating platform can also be carried out design modifying according to actual needs, such as portable air floating platform is applied in narrow river course or wide lake, reservoir, inshore, to the requirement of size, may there are differences.Portable air floating platform size is larger, and the processing power of unit time is higher, but initial stage laid down cost also can strengthen thereupon, is therefore necessary to formulate in conjunction with actual needs manufacturing and designing and operational version of optimizing.In this external big area eutrophic water algae removal situation, can remove algae operation in many portable air floating platform subregions of addition simultaneously.
Claims (10)
1. portable air floating platform is removed the device of algae in eutrophication water, it is characterized in that it is to consist of dissolved air flotation gathering system, floating algae-residue gathering system, algae-residue dewatering system C, power system D and ultra-sonic generator array E;
Wherein, described dissolved air flotation gathering system consists of two parallel floating drums (1), algae-residue gathering barrel (2) and microbubble generation systems A1; Described two parallel floating drums (1) provide buoyant support, two parallel floating drums (1) connect by rigid support post, described parallel floating drum (1) hollow, in the middle of parallel floating drum (1), by transverse section dividing plate, each floating drum is divided into the first storage area (1-2) and the second storage area (1-3), microbubble generation systems A1 is pressure air-dissolving microbubble generation systems or Airfloat pump microbubble generation systems; Described pressure air-dissolving microbubble generation systems is by booster water pump (3), pressure air-dissolving tank (4), piston type air compressor (5) and stretch into reliever (6) formation under water, described piston type air compressor (5) air outlet and the water outlet of booster water pump (3) are communicated with inlet mouth and the water-in of pressure air-dissolving tank (4) respectively, and the outlet of pressure air-dissolving tank (4) is communicated with the import of reliever (6); The outlet of reliever (6) passes in water body, described Airfloat pump microbubble generation systems consists of polyphasic flow Airfloat pump (15), knockout drum (16) and reliever (6), the gas-liquid two-phase outlet of described polyphasic flow Airfloat pump (15) is communicated with knockout drum (16) entrance, and the outlet of knockout drum (16) is communicated with the import of reliever (6); The outlet of reliever (6) passes in water body;
Described floating algae-residue gathering system by two pull algae cantilever (9), pusher algae water automatically separate screen and be arranged on pusher algae water automatically the algae-residue receiving tank (11) at separate screen rear form; It is that the smooth surface (10-1) that enters the intermediate projections that the micropore turbogrid plates (10-2) in water body are connected with its rear end by a slice oblique cutting forms that described pusher algae water separates screen automatically, both with bolts or welding, smooth surface (10-1) the two ends floating drums parallel with two (1) of intermediate projections are bolted, algae-residue receiving tank (11) floating drum parallel with two (1) welding or bolt connect, algae-residue receiving tank (11) be arranged at intermediate projections smooth surface (10-1) trailing edge under;
Described algae-residue dewatering system C aspirates water pump (7) by algae-residue and accurate filter (8) forms; Described algae-residue suction water pump (7) water outlet is communicated with accurate filter (8) water-in, and the outlet of algae-residue gathering barrel (2) is communicated with the entrance of algae-residue suction water pump (7); Two described ultra-sonic generator array E are separately positioned on two parallel floating drums of portable air floating platform (1) outside;
It is upper that described microbubble generation systems A1, power system D, algae-residue dewatering system C is all arranged on service platform (12), and service platform (12) is arranged on parallel floating drum (1) top.
2. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, it is characterized in that the material of described parallel floating drum (1) is stainless steel, aluminium alloy, plastics, glass reinforced plastic, synthetic resins or polyurethane material.
3. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, the drum surface that it is characterized in that described algae-residue gathering barrel (2) has the slag inlet (2-1) along its axial distribution, algae-residue gathering barrel (2) both ends of the surface center connects by fixed rotating shaft floating drum parallel with two, by rotation, regulate slag inlet (2-1) draft of algae-residue gathering barrel (2), described draft is 1.0～1.2 times of algae-residue thickness on the water surface.
4. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, it is characterized in that, in described microbubble generation systems A1, microbubble positive charge improved chemical throwing device (13) is set, it is upper that described microbubble positive charge improved chemical throwing device (13) is arranged on service platform (12), and microbubble positive charge improved chemical throwing device (13) medicine outlet is communicated with the feeding opening of pressure air-dissolving tank (4), knockout drum (16); The microbubble positive charge improved chemical that described microbubble positive charge improved chemical throwing device (13) adds is metal coagulating agent, cats product, cationic polymers, chitosan or modified chitosan derivative, and added amount of chemical is 0.1mg/L～30mg/L.
5. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, pull algae cantilever (9) for symmetroid structure for two described in it is characterized in that, pull algae cantilever (9) for every and form frame supported thing by light-duty stainless steel or aluminum alloy materials, in frame supported thing, be inlaid with the screen cloth or the filter cloth that are microvoid structure;
Wherein, two are pulled the height of algae cantilever (9) more than the water surface is 10～30cm, the degree of depth being deep in water is 10～30cm, pull algae cantilever (9) end by fixed rotating shaft floating drum parallel with two (1) connection respectively, pull algae cantilever (9) for two and be all greater than 1.5m in the projecting length of portable air floating platform working direction for two.
6. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, it is characterized in that smooth surface (10-1) that a slice oblique cutting that described pusher algae water separates screen automatically enters the intermediate projections that the turbogrid plates (10-2) in water body are connected with its rear end is at " V " font accumulation groove of junction formation; Wherein, turbogrid plates (10-2) are 5～60 ° with the angle of horizontal plane, and the vertical height that turbogrid plates (10-2) are inserted in water is 20～70cm.
7. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, in the middle of it is characterized in that described floating algae-residue receiving tank (11), high both sides are low, both sides are respectively with the parallel floating drum of 5%～50% gradient slope aspect both sides, and are communicated with the first storage area (1-2).
8. portable air floating platform according to claim 1 is removed the device of algae in eutrophication water, it is characterized in that described power system D provides power jointly for a kind of in diesel generation power system or solar power system or two kinds; Wherein, solar electrical energy generation is the top that the solar panel in system is arranged on sunshade (14), and described sunshade (14) is fixed on service platform (12).
9. portable air floating platform according to claim 1 is removed the using method of the device of algae in eutrophication water, the using method that it is characterized in that the device of algae in described portable air floating platform removal eutrophication water, completes by following concrete steps:
One, portable air floating platform moves on the water surface with the speed of 50～1000m/h, by reliever (6) in dissolved air flotation gathering system, produce micron order and nano level microbubble, frustule in flow section water body in the middle of two the parallel floating drums of flowing through is carried out to bubble adhesion, make frustule float to the water surface and form algae-residue, by algae-residue gathering barrel (2), the algae-residue that floats to the water surface is collected;
Two, pull algae cantilever (9) and draw in and assemble and automatically separate in the algae-residue receiving tank (11) that screen drops into screen rear by pusher algae water swimming in algae-residue on the water surface for two of portable air floating platform, and low algae-residue receiving tank (11) is slipped in first storage area (1-2) of parallel floating drum front end and stores along middle high two ends;
Three, the algae-residue of collecting in parallel floating drum front end the first storage area (1-2) and algae-residue gathering barrel (2), through algae-residue dewatering system C dehydration, shifts the dry algae-residue after dehydration in the second storage area (1-3) that enters parallel floating drum rear end and stores;
Wherein, in step 1, to the portable air floating platform operational process of step 3, be arranged on two ultra-sonic generator array E in parallel floating drum (1) outside, utilize ultrasonic wave the suspension frustule in surface water to be killed simultaneously.
10. portable air floating platform according to claim 9 is removed the using method of the device of algae in eutrophication water, it is characterized in that described two ultra-sonic generator array E that are arranged on parallel floating drum (1) outside, by dozens of ultrasonic vibrator (17) and Stainless steel mesh, form, the transmitted power of ultrasonic vibrator is 0.1～2kw, frequency is 15～100kHz, the ultrasonic vibrator (17) of each side is arranged on the Nodes of stainless (steel) wire lattice structure, form ultra-sonic generator array E, two ultra-sonic generator array E are bolted with four groups of vertical chutes that are arranged on parallel floating drum (1) outside by its four main stress muscle, two ultra-sonic generator array E degree of depth in water is 0～1m.
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