CN101691249A - Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat - Google Patents
Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat Download PDFInfo
- Publication number
- CN101691249A CN101691249A CN200910196312A CN200910196312A CN101691249A CN 101691249 A CN101691249 A CN 101691249A CN 200910196312 A CN200910196312 A CN 200910196312A CN 200910196312 A CN200910196312 A CN 200910196312A CN 101691249 A CN101691249 A CN 101691249A
- Authority
- CN
- China
- Prior art keywords
- ship
- slag
- residue
- algae
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention belongs to the technical field of environmental protection, and particularly relates to a device and a method for processing large-area algal blooms in natural water bodies through the combined use of a floatation boat and a residue scraping boat. The floatation boat consists of a boat hull and a rear floatation component which comprises a micro air bubble generating device and a micro air bubble releasing device. The residue scraping boat consists of a boat hull and a front residue scraping component which comprises a residue collecting arm, a residue scraping tipping bucket and an algal residue trough. The method comprises the following basic processes for algal removal that: the floatation boat moves forward, the floatation micro air bubble releasing device positioned on the backside of the boat hull starts to release micro air bubbles, and algal cells and the highly dispersed micro air bubbles in the natural water bodies are adhered to each other so that the algal cells and the micro air bubbles are gathered with each other and float to the water surface under the action of buoyancy; and the residue scrapping boat following up the floatation boat in the driving process uses the residue collecting arm to intensively collect the algal residues suspended up in a water surface range and uses a residue collecting hopper to collect the algal residues into the algal residue trough so as to remove the algae in water. The device and the method have the advantages of convenient construction, high efficiency, low cost and simple operation.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of air supporting ship and scrape treatment unit and the treatment process of slag ship coupling large-area alga eruption of natural water body.
Background technology
Water body in lake eutrophication and large-area alga eruption are one of main water environmental problems of facing of China.In the many lakes of China, for example Taihu Lake, Dian Chi, Chaohu and Hongchehu Lake etc. all have serious body eutrophication to pollute, and blue algae bloom in various degree took place.Alga eruption not only influences water landscape, also water ecological setting is produced havoc.If alga eruption occurs in the waterhead area water body, then can endanger the quality safety of the operation and the water supply of water factory, and the algae toxin can also pass through food chain remote effect human health.
At present, the measure of common both at home and abroad processing and control alga eruption can be divided into physics method, chemical method and biological process three classes substantially.The physics method is common utilizes continuous Microfiltration, thickening, flocculation, flotation and machinery such as manually drag for clearly and receive the algae method continuously, and utilize magnetics to remove the new technique of algae; The chemical agent that has that chemical method is common removes the algae method; Having that biological process is common utilizes the biology of food algae type biology to suppress method, relies on the restoration of the ecosystem method of restore vegetation, and the biotechnological formulation method of utilizing microbial process.But all there is certain defective in present measure of control: mechanical process is removed the algae inefficiency, and magnetics is removed algae and is difficult to large-scale application; The general cost height of chemical process, and have secondary pollution; Biological inhibition and restoration of the ecosystem can't be made fast the algae disaster that has broken out and handling.Therefore, seek a kind of processing efficiency height, emergent algae-removing method rapid, with low cost and non-secondary pollution exists very important meaning for control and the outburst for the treatment of water body algae.
At present, air flotation technology is mainly used in water treatment field such as sanitary sewage, trade effluent, and efficiently removing algae aspect in water factory also has practical application.Because algae is very light, traditional precipitation solid-liquid separation process is difficult to its effective removal, and air flotation technology has shown exclusive advantage.Air flotation technology feeds microbubble a large amount of, high dispersing in algae-containing water, make it to adhere to mutually as carrier and algae, forms global density and floats to the water surface on less than the buoyancy aid of water, to finish the treatment process that algae is separated from water.The air supporting facture has the processing efficiency height than traditional coagulant sedimentation except that algae aspect, and suitability is strong, pharmaceutical quantities adds advantages such as few.Handle but air-float technology is applied in large-area alga eruption, practical application is not arranged as yet, if can be well in conjunction with characteristics such as air-float technology are efficient rapid, this technology may become a new trend of blue algae bloom treatment technology.
Summary of the invention
The objective of the invention is to propose a kind of air supporting ship and scrape treatment unit and the treatment process of slag ship coupling large-area alga eruption of natural water body.
The air supporting ship that the present invention proposes with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, by air supporting ship hull 12, air floatation component, air-floating apparatus 8 and scrape slag ship hull 13 and form, air-floating apparatus 8 is installed on air supporting ship hull 12 tops, air floatation component is made up of molten gas releasing device and micropore dissolved air release 7, two collapsible supporting cantilever 5 one ends are positioned at air supporting ship hull 12 two sides of tail, and two collapsible supporting cantilever 5 can along with air supporting ship hull 12 connecting portion rotating certain angle, collapsible supporting cantilever 5 the other ends connect molten gas releasing device, and molten gas releasing device connects micropore dissolved air release 7; Scrape slag ship hull 13 and be provided with the pre-storage area 1 of algae-residue, algae-residue compression zone 2, dried algae-residue storage area 3 and power, electric control chamber 4 from front to back successively, algae-residue dehydration equipment 10 is positioned at 2 belows, algae-residue compression zone of scraping slag ship hull 13, floating algae-residue tipping bucket collection device 9 is positioned at algae-residue storage area 1 one sides of scraping slag ship hull 13, scraping slag ship hull 13 fores is provided with and scrapes slag arm 11, scraping slag arm 11 for two stretches out to oblique the place ahead from the fore of scraping slag ship hull 13, scrape the slag arm for two and be the 91-179 degree, air-floating apparatus 8 adopts air compressor machine or air dissolved pump.
Among the present invention, described micropore dissolved air release 7 should be positioned at floating algal layer below, and the degree of depth is by algae thickness decision in the water body, generally at 0.3m～1.2m under water.
Among the present invention, molten gas releasing device can adopt the molten gas trigger bar 6 of micropore, and the molten gas trigger bar 6 optional usefulness of micropore have the material of certain intensity, as one or more combinations in steel, PVC, bamboo bar or the batten etc.; The molten gas trigger bar 6 of micropore is one to multiple section, connects two collapsible supporting cantilever 7 ends respectively, evenly is embedded with micropore dissolved air release 7 on the molten gas trigger bar 6 of micropore.The cavitation air flotation method needs the concrete size according to the cavitation device, determines its quantity and spacing.
Among the present invention, if adopt pressure air-dissolving jar air supporting method, to carry insoluble bubble secretly into air compressor machine and dissolved air water and enter the air supporting zone for preventing that pressure water from pouring in down a chimney, filling tank should adopt the mode of top water inlet, air inlet, and automatic control device is set, control compressed-air actuated entering.
Among the present invention,, can on dissolved air water pipeline and pneumatic line, adorn filter screen, reliever can not pulled down cleaning when not moving in the winter time simultaneously for preventing that micropore dissolved air release 7 stops up on the collapsible supporting cantilever 5.
Among the present invention, the angle between two collapsible supporting cantilever 5 is 30～180 degree, and cantilever always covers water surface width should be suitable; Collapsible supporting cantilever 5 optional usefulness have the material of certain intensity, as one to multiple kind in steel, PVC, bamboo bar or the batten etc.; The length of collapsible supporting cantilever 5 should determine that its projecting length at the hull direct of travel at least should be more than 1m according to factors such as ship's speed, algae characteristic, the degree of depth.The supporting cantilever height should determine according to the algae characteristic, and the above height of its water surface should be less than 30cm, highly at least should be more than 10cm below the water surface; The supporting cantilever shape can be selected rectangle or trapezoidal (the big rear end of front end is little) for use, and vertical water surface direction is scalable to regulate height.
Among the present invention, scrape slag ship 13 two folding slag arms 11 of scraping are installed, stretch out to oblique the place ahead respectively from fore, both are 91～179 degree angles.Scrape the length of slag arm 11 and should determine that its projecting length at the hull direct of travel at least should be more than 1m according to factors such as ship's speed, algae characteristic, the degree of depth.Scraping slag arm 11 height should determine according to the algae characteristic, and the above height of its water surface should be less than 30cm, highly at least should be more than 10cm below the water surface; Scrape slag arm 11 shapes and can select rectangle or trapezoidal (the little rear end of front end is big) for use, vertical water surface direction is scalable to regulate height.
Among the present invention, the collapsible supporting cantilever 5 on the air supporting ship 12 may contract to hull side when alga eruption is not arranged, also can do cleaning boat for riverway, does not influence the normal navigation in the river course.
Among the present invention, floating algae-residue tipping bucket collection device 9 is installed on the fore of scraping slag ship 13, is made up of an acclive tipping bucket (adjustable-height) and an algae-residue groove thereafter, the floating algal layer that swims on the water surface after air supporting can being handled shovels in the algae-residue groove, thereby removes the algae in the water body.
The air supporting ship that the present invention proposes with scrape the treatment process of slag ship coupling to large-area alga eruption of natural water body, concrete steps are as follows:
The speed that the air supporting ship is pressed 10m/h～200m/h to overtake, the bubble releasing device that is positioned at the collapsible supporting cantilever 5 top water body below 0.3m～1.2m of air supporting stern both sides discharges micro-bubble, the micro-bubble diameter is 10～80 microns, alga cells and natural water camber dispersive micro-bubble adhere to mutually, make it assemble mutually and float downward to the water surface in buoyancy; The slag ship is scraped in the process of moving immediately following a segment distance in the rear, two collapsible floating algaes of scraping slag arm 11 at the concentrated water surface of the V-shaped collection of hull direct of travel, collapsible projecting length of scraping slag arm 11 at least should be more than 1m, the above height of its water surface should be less than 30cm, highly at least should be more than 10cm below the water surface; Taken in the pre-storage area of algae-residue by the dreg scraping unit spare of fore through the collapsible slag arm 11 concentrated floating algae-residues that accumulate in fore of scraping, thereby reach the purpose of removing algae in the natural water.
Among the present invention, the function of algae water being separated and collecting designs at the air supporting ship respectively and scrapes on two ships of slag ship, can control its travel speed and the spacing of travelling according to the effect of algae-residue dissolved air flotation, in order to avoid the algae-residue layer of dissolved air flotation occurs destroying, and after algae-residue fully floats, scrape slag again, therefore can more effectively reach purpose except that algae.
Advantage of the present invention is as follows:
1, it is wide that the air supporting ship of design covers coverage of water, than traditional physical treatment process efficient height, unites the algae-residue collection device of scraping the slag ship, need not manually to drag for clearly, can significantly save the labour.
2, air-float technology can start rapidly, removes algae fast, uses when being fit to large-area alga eruption, and does not add chemical agent, has created condition for the comprehensive utilization of algae-residue, can not cause secondary pollution.
3, with two steps of separation and collection of algae, design the air supporting ship respectively and scrape the slag ship.This method can according to the air supporting ship handle water body algae-residue come-up situation adjustment later scrape slag foot speed and with the spacing of travelling of air supporting ship, remove algae more effectively.Simultaneously, air supporting ship can be joined one or the above slag ship of scraping.
4, air-floating apparatus can be installed on hull easily, and the supporting cantilever on the hull is collapsible, and the molten gas trigger bar of micropore sinks to the water surface degree of depth and can regulate according to practical situation.The air supporting ship and scrape the slag ship algae not burst period also can be used as cleaning boat for riverway, this method is applied widely.
The present invention is applied in air-float technology in the processing of big area natural water alga eruption, and the efficient that has overcome traditional method is low, the cost height, and manpower requirement is big, and forms shortcomings such as secondary pollution easily, can remove the algae of breaking out in the water body effectively fast.The air supporting ship, scrape the slag ship and unite use, can more effective removing come-up algae-residue.The present invention builds convenience, efficient, with low cost, and simple to operate.
Description of drawings
Fig. 1 is a vertical view of the present invention.
Fig. 2 is a side-view of the present invention.
Number in the figure: the pre-storage area of 1 algae-residue, 2 algae-residue compression zones, 3 dried algae-residue storage areas, 4 power, electric control chamber, 5 collapsible supporting cantilever, the molten gas trigger bar of 6 micropores, 7 micropore dissolved air releases, 8 air-floating apparatus, 9 floating algae-residue tipping bucket collection devices, 10 algae-residue dehydration equipments, 11 scrape the slag arm, 12 are the air supporting ship, and 13 for scraping the slag ship.
Embodiment
Further describe the present invention in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: as depicted in figs. 1 and 2, device is by the air supporting ship and scrape the slag ship and corresponding component is formed, and two kinds of ships keep same direction running, and the air supporting ship is preceding, scrape the slag ship after.Air-floating apparatus 8 is installed on the air supporting ship, air floatation component is made up of molten gas releasing device and micropore dissolved air release 7, and be barricaded as support by two collapsible sway braces 5, the micro-bubble releasing device is stretched out air supporting ship hull, be positioned over below the water surface of hull travel direction rear, apart from air supporting ship hull certain distance.Scrape the slag ship and be divided into the pre-storage area 1 of algae-residue, algae-residue compression zone 2, dried algae-residue storage area 3 and power, electric control chamber 4 from front to back successively, dreg scraping unit spare is formed by scraping slag arm 11, floating algae-residue tipping bucket collection device 9 and algae-residue dehydration equipment 10; Scrape slag ship the place ahead and be provided with slag scraper and floating algae-residue tipping bucket collection device 9.
The molten gas releasing device of pressurized dissolved air flotation method can adopt the molten gas trigger bar of micropore, and the molten gas trigger bar of micropore can be selected the PVC material for use; Folding molten gas trigger bar is divided into 5 sections, is connected with two supporting cantilever ends respectively, evenly embeds dissolved air release on the bar.
The air supporting ship adopts pressure air-dissolving jar air supporting method, and air supporting ship hull is wide to be 3m, the collapsible supporting cantilever 10.6m of air supporting ship, and both sides are 60 degree angles launches, and it is 1 of VA65 type air compressor machine that hull is installed air-floating apparatus 8, gas production rate 0.04m
3/ min, 1 of reflux pump is installed in air-floating apparatus 8 zones; Scrape the wide 3m of slag ship hull, collapsible supporting cantilever 10.6m, both sides are 109 degree angles launches, and reflux pump is 2 in the air supporting hull, scrapes in the slag hull 2 of slag algae pumps, and slag algae pump is installed in power, the electric control chamber 4.The air supporting ship all is 720m/h with scraping slag ship hull speed per hour, and two ship couplings per hour can be handled 7200m
2The water surface is handled water yield 3600m
3, unit of water body algae removal rate can reach 75%, and algae-residue generation amount is 12.9t/h (water ratio 97%).
Claims (7)
- An air supporting ship with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, by air supporting ship hull (12), air floatation component, air-floating apparatus (8) and scrape slag ship hull (13) and form, it is characterized in that air-floating apparatus (8) is installed on air supporting ship hull (12) top, air floatation component is made up of molten gas releasing device and micropore dissolved air release (7), two collapsible supporting cantilever (5) one ends are positioned at air supporting ship hull (12) two sides of tail, and two collapsible supporting cantilever (5) can along with air supporting ship hull (12) connecting portion rotating certain angle, collapsible supporting cantilever (5) the other end connects molten gas releasing device, and molten gas releasing device connects micropore dissolved air release (7); Scrape slag ship hull (13) and be provided with the pre-storage area of algae-residue (1) from front to back successively, algae-residue compression zone (2), dried algae-residue storage area (3) and power, electric control chamber (4), algae-residue dehydration equipment (10) is positioned at the below, algae-residue compression zone (2) of scraping slag ship hull (13), floating algae-residue tipping bucket collection device (9) is positioned at algae-residue storage area (1) one side of scraping slag ship hull (13), scraping slag ship hull (13) fore is provided with and scrapes slag arm (11), scraping slag arm (11) for two stretches out to oblique the place ahead from the fore of scraping slag ship hull (13), scrape the slag arm for two and be the 91-179 degree, air-floating apparatus (8) adopts air compressor machine or air dissolved pump.
- 2. air supporting ship according to claim 1 with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that described micropore dissolved air release (7) should be positioned at floating algal layer below 0.3m～1.2m.
- 3. air supporting ship according to claim 1 with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that molten gas releasing device adopts the molten gas trigger bar of micropore (6), the molten gas trigger bar of micropore (6) is one to multiple section, connect two collapsible supporting cantilever (7) end respectively, evenly be embedded with micropore dissolved air release (7) on the molten gas trigger bar of micropore (6).
- 4. air supporting ship according to claim 1 with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that the angle between two collapsible supporting cantilever (5) is 30～180 degree, collapsible supporting cantilever (5) at least should be more than 1m in the projecting length of hull direct of travel; Collapsible supporting cantilever (5) shape is selected rectangle or trapezoidal for use.
- 5. air supporting ship according to claim 1 with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that two folding scrape slag arm (11) both be 91～179 the degree angles, scraping slag arm (11) at least should be more than 1m in the projecting length of hull direct of travel; Scraping the above height of slag arm (11) water surface should be less than 30cm, highly at least should be more than 10cm below the water surface; Scrape slag arm (11) shape and select rectangle or trapezoidal for use.
- 6. air supporting ship according to claim 1 with scrape the treatment unit of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that floating algae-residue tipping bucket collection device (9) is installed on the fore of scraping slag ship (13), is made up of an acclive tipping bucket and an algae-residue groove thereafter.
- An air supporting ship as claimed in claim 1 with scrape the treatment process of slag ship coupling to large-area alga eruption of natural water body, it is characterized in that concrete steps are as follows:The speed that the air supporting ship is pressed 10m/h～200m/h to overtake, the bubble releasing device that is positioned at water body below, collapsible supporting cantilever (5) top 0.3m～1.2m of air supporting stern discharges micro-bubble, the micro-bubble diameter is 10～80 microns, alga cells and natural water camber dispersive micro-bubble adhere to mutually, make it assemble mutually and float downward to the water surface in buoyancy; The slag ship is scraped in the process of moving immediately following a segment distance in the rear, two collapsible floating algaes of scraping slag arm (11) at the concentrated water surface of the V-shaped collection of hull direct of travel, collapsible projecting length of scraping slag arm (11) at least should be more than 1m, the above height of its water surface should be less than 30cm, highly at least should be more than 10cm below the water surface; Taken in the pre-storage area of algae-residue by the dreg scraping unit spare of fore through the collapsible concentrated floating algae-residue that accumulates in fore of slag arm (11) of scraping, thereby reach the purpose of removing algae in the natural water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101963123A CN101691249B (en) | 2009-09-24 | 2009-09-24 | Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101963123A CN101691249B (en) | 2009-09-24 | 2009-09-24 | Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691249A true CN101691249A (en) | 2010-04-07 |
| CN101691249B CN101691249B (en) | 2011-06-22 |
Family
ID=42079988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101963123A Expired - Fee Related CN101691249B (en) | 2009-09-24 | 2009-09-24 | Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101691249B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466831A (en) * | 2013-09-05 | 2013-12-25 | 百诺纳米科技（苏州）有限公司 | Harmless resourceful treatment system of algae scum |
| CN105731688A (en) * | 2016-03-08 | 2016-07-06 | 中国矿业大学 | Equipment for treating lake water suspended substances and eutrophic air flotation fillers and method thereof |
| CN106477662A (en) * | 2016-10-28 | 2017-03-08 | 刘牧 | A kind of method using the micro-nano air-flotation process water pollution of original position and its system |
| CN106577464A (en) * | 2017-01-20 | 2017-04-26 | 安阳市水产技术推广服务中心（安阳市水产科学研究所） | Device for removing harmful algae from surface layer of pool water |
| CN110271650A (en) * | 2019-07-09 | 2019-09-24 | 义乌奥莉机械科技有限公司 | A kind of duckweed collection and feed making device for aquaculture |
| CN110818006A (en) * | 2019-11-22 | 2020-02-21 | 暨南大学 | On-site blue algae automatic air flotation experimental device and method |
| CN110937649A (en) * | 2019-11-22 | 2020-03-31 | 暨南大学 | On-site air flotation experimental device and method |
| CN114573148A (en) * | 2022-04-02 | 2022-06-03 | 中国科学院水生生物研究所 | System and method for removing algae in water body through in-situ air flotation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9809464B2 (en) | 2013-11-13 | 2017-11-07 | Kent A. Bryan | Apparatus for harvesting algae from open body of water |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143826C (en) * | 2000-09-18 | 2004-03-31 | 中国科学院生态环境研究中心 | Ship-type air float method and equipment for removing algae |
| CN100497080C (en) * | 2007-07-06 | 2009-06-10 | 胡建东 | Air floating blue-green algae fishing boat |
| CN201176249Y (en) * | 2008-04-01 | 2009-01-07 | 中国船舶重工集团公司第七○二研究所 | Comprehensive algae pick-up boat |
-
2009
- 2009-09-24 CN CN2009101963123A patent/CN101691249B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466831B (en) * | 2013-09-05 | 2016-07-13 | 百诺纳米科技（苏州）有限公司 | A kind of algae scum silica frost harmless resource processes system |
| CN103466831A (en) * | 2013-09-05 | 2013-12-25 | 百诺纳米科技（苏州）有限公司 | Harmless resourceful treatment system of algae scum |
| CN105731688B (en) * | 2016-03-08 | 2018-05-01 | 中国矿业大学 | One kind processing lake aqueous suspension and eutrophication air supporting filler device and method thereof |
| CN105731688A (en) * | 2016-03-08 | 2016-07-06 | 中国矿业大学 | Equipment for treating lake water suspended substances and eutrophic air flotation fillers and method thereof |
| CN106477662B (en) * | 2016-10-28 | 2018-06-01 | 昆明水啸科技有限公司 | A kind of method and its system using micro-nano air-flotation process water pollution in situ |
| CN106477662A (en) * | 2016-10-28 | 2017-03-08 | 刘牧 | A kind of method using the micro-nano air-flotation process water pollution of original position and its system |
| CN106577464A (en) * | 2017-01-20 | 2017-04-26 | 安阳市水产技术推广服务中心（安阳市水产科学研究所） | Device for removing harmful algae from surface layer of pool water |
| CN110271650A (en) * | 2019-07-09 | 2019-09-24 | 义乌奥莉机械科技有限公司 | A kind of duckweed collection and feed making device for aquaculture |
| CN110818006A (en) * | 2019-11-22 | 2020-02-21 | 暨南大学 | On-site blue algae automatic air flotation experimental device and method |
| CN110937649A (en) * | 2019-11-22 | 2020-03-31 | 暨南大学 | On-site air flotation experimental device and method |
| CN110818006B (en) * | 2019-11-22 | 2022-08-30 | 暨南大学 | On-site blue algae automatic air flotation experimental device and method |
| CN110937649B (en) * | 2019-11-22 | 2022-11-01 | 暨南大学 | On-site air flotation experimental device and method |
| CN114573148A (en) * | 2022-04-02 | 2022-06-03 | 中国科学院水生生物研究所 | System and method for removing algae in water body through in-situ air flotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101691249B (en) | 2011-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101691249B (en) | Device and method for processing large-area algal blooms in natural water bodies through combined use of floatation boat and residue scraping boat | |
| CN101671060A (en) | Processing device of single air floatation alga removing ship for large-area alga eruption of natural water body and processing method | |
| CN103288160B (en) | Device for removing algae in eutrophicated water body by mobile floatation platform and application method thereof | |
| US20120248043A1 (en) | Device, method and vessel for preventing oil damages and alleviating damages | |
| KR101371405B1 (en) | Algae collection method | |
| CN203530947U (en) | Movable river surface cleaning device | |
| CN1074804C (en) | Ship for colleting garbage floated on water | |
| CN107012847A (en) | A kind of algae processing unit and method | |
| CN206941543U (en) | A kind of river ecological blocks dirty cleaning device | |
| KR101255462B1 (en) | Mobile Float Removal Device | |
| CN202169998U (en) | Decontamination boat | |
| CN103938600B (en) | A kind of water oil stain is removed retracting device | |
| CN201660460U (en) | Vertical air flotation device | |
| CN207749552U (en) | A kind of dredger | |
| CN206873423U (en) | A kind of algae processing unit | |
| CN213141466U (en) | Shallow air-float sewage treatment device | |
| CN204238199U (en) | A kind of floatation type reservoir area sewage disposal apparatus | |
| CN202449175U (en) | Liftable and movable water surface workboat | |
| CN108157271B (en) | Environment-friendly floating type sewage collection device for aquaculture system | |
| CN106315728A (en) | Complete-dissolution air-floating system | |
| CN2673956Y (en) | Air jetting and mud suspension at different points of depth type water treating equipment | |
| CN205475149U (en) | Two boat form wawter bloom clearing devices | |
| CN101560758B (en) | Jet pump suction type enteromorpha prolifera collecting equipment | |
| CN204588763U (en) | A kind of oil partiting precipitation pool | |
| CN104790363A (en) | Winch-lifted automatic intercepting device for river floatage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20150924 |
|
| EXPY | Termination of patent right or utility model |