CN107012847A - A kind of algae processing unit and method - Google Patents
A kind of algae processing unit and method Download PDFInfo
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- CN107012847A CN107012847A CN201710285338.XA CN201710285338A CN107012847A CN 107012847 A CN107012847 A CN 107012847A CN 201710285338 A CN201710285338 A CN 201710285338A CN 107012847 A CN107012847 A CN 107012847A
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- algae
- residue
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- processing unit
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- 241000195493 Cryptophyta Species 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000005189 flocculation Methods 0.000 claims abstract description 4
- 230000016615 flocculation Effects 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 8
- 229920002472 Starch Polymers 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 7
- 235000019698 starch Nutrition 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000008239 natural water Substances 0.000 claims description 3
- 238000009991 scouring Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000009300 dissolved air flotation Methods 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/045—Separating means for recovering oil floating on a surface of open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/046—Collection of oil using vessels, i.e. boats, barges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/106—Overflow skimmers with suction heads; suction heads
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of algae processing unit, including hull, collection algae device, foldable supporting cantilever, cable, support bar and defeated algae slurry pipe；The invention also discloses the method that algae is handled using the algae processing unit, the algae in water is collected after flocculation by collecting algae device, it is delivered to hull storage, flexibility is strong, efficient, with low cost, it is simple to operate, the fast enriching that algae in water body in large can be achieved is collected, and is effectively improved except algae efficiency.
Description
Technical field
The present invention relates to a kind of algae processing unit and method, belong to environmental technology field.
Background technology
Water body in lake eutrophication and large-area alga eruption are one of main water environmental problems that China faces.Algae
Outburst not only influences water landscape, also produces heavy damage to water ecological setting；If alga eruption occurs in water head site water body,
Water factory's operation and quality of water supply can then be endangered.How efficiently, large area, safety except algae be one most important the problem of.
Algae measure method is removed both at home and abroad, be common are and is received algae method using the machinery such as continuous Microfiltration, thickening, utilizes magnetics
Except the new technique of algae, chemical agent except algae method, using eating the biological biological inhibition method of algae type, repaiied by the ecology for recovering vegetation
Multiple method, and using the biological agent method of microbial action, and some microwaves are except methods such as algaes.But current control measure are all deposited
In certain defect, Mechanical Method removes algae inefficiency, and magnetics is difficult to large-scale application except algae, and chemical agent is high except the universal cost of algae,
And there is secondary pollution, biological inhibition and restoration of the ecosystem can not make quickly processing etc. to the algae disaster broken out.Therefore,
A kind for the treatment of effeciency height, emergent efficient, rapid flexible, algae-removing method with low cost are found for controlling and handling algae and water
Outburst has very important meaning.
The content of the invention
It is an object of the invention to provide a kind of algae processing unit and method, realize that technical scheme is as follows：
A kind of algae processing unit, including hull 1, collection algae device, foldable supporting cantilever 5, cable 14, support bar 15 and defeated
Algae starches pipe 16；
Hull 1 has two, is separately positioned on the afterbody of hull 1 provided with electric control chamber 11, algae-residue compression reserve zone 13 and motor 2, motor 2
Both sides；
Collection algae device includes air supporting water distribution 4, flocculant concentration device 6, kickboard 7, pump 8, grid 9, scrapes algae plate 10 and algae-residue collecting chamber
12；Kickboard 7 is wrapped in outside algae-residue collecting chamber 12, and flocculant concentration device 6 is placed in the internal upper part of algae-residue collecting chamber 12, and pump 8 is placed in algae
In slag collecting chamber 12；
Support bar 15 is provided between algae-residue collecting chamber 12 and algae-residue compression reserve zone 13, support bar 15 is used to support cable 14 and defeated
Algae starches pipe 16；The one end of cable 14 is connected with electric control chamber 11, and the other end is connected with air supporting water distribution 4 and pump 8 respectively, is air supporting water distribution
4 and pump 8 provide electric energy；Defeated algae slurry pipe 16 one end is stretched into algae-residue compression reserve zone 13, and the other end is connected with pump 8；Support bar 15
Both sides are respectively provided with a foldable supporting cantilever 5, and foldable one end of supporting cantilever 5 is connected with motor 2, and the other end connects with kickboard 7
Connect, the foldable burst of supporting cantilever 5 ensures stability of the device in overwater service provided with keg float 3, two foldable supports are hanged
Angle adjustable between arm 5, scope is 30~160 °；Between two foldable supporting cantilevers 5, set before algae-residue collecting chamber 12
Algae plate 10 is scraped, algae-residue collecting chamber 12 is scraped and air supporting water distribution 4, air supporting are set before algae plate 10 with scraping the junction of algae plate 10 provided with opening
Grid 9 is set before water distribution 4.
Preferably, air supporting water distribution 4 selects pressurized dissolved air flotation.
Preferably, pump 8 is submersible sewage pump or immersible pump.
Preferably, grid 9 is semi-submersible type grid, is made up of fine fack with coarse rack.
The method that algae is handled using the algae processing unit, two are adjusted according to the amount of Measures of Algae in Water Body by motor 2
Angle between the foldable support arm 5 of root, and foldable supporting cantilever 5 is placed in 0.25~1.5m under water；Hull 1 is advanced forward
During, the large-scale suspension on the water surface comes together in algae under the tractive force, the scouring force of current, wind direction air blast effect of ship
The position of grid 9, algae and large-scale suspension are separated after being filtered through grid 9, and there is the lower end of air supporting water distribution 4 release to be located at floating algal layer
0.25~1.5m of lower section, starts to discharge micro-bubble, alga cells and the microbubble of high degree of dispersion in natural water are adhered to each other,
It is set mutually to assemble and be floated to the surface under buoyancy；Algae plate 10 of scraping followed by is received the algae of floating on water from algae-residue
Collection room 12 is collected into algae-residue collecting chamber 12 with scraping the opening of the junction of algae plate 10, and flocculant concentration device 6 adds flocculant to algae-residue
Flocculated, the algae-residue after flocculation is then starched into the algae-residue compression reserve zone that pipe 16 is transported to hull 1 by defeated algae using pump 8
13, so as to complete the removal of algae in water.
Beneficial effects of the present invention：
1st, using foldable supporting cantilever 5, be not only convenient for collect algae equipment transport, can also according to river course, lake, reservoir width
Degree is adjusted arrangement, and navigation and river course patrol are not influenceed；
2nd, it can reduce according to river direction flow velocity, wind direction and wind velocity, by adjusting the angle and depth of foldable supporting cantilever 5
Resistance, improves collection algae effect；
3rd, algae part is collected（Including air supporting water distribution 4, grid 9 and scrape algae plate 10）With dehydration part（Including flocculant concentration device 6 and pump
8）Separation, increase effectively the use space of alga removing ship, is that the laying of equipment and the storage of algae-residue are provided convenience；
4th, the separation of collection algae part and dehydration part, it is possible to achieve offshore directly handles disposal algae-residue；
5th, air-float technology is applied in large-area alga eruption processing.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is Fig. 1 A-A profiles；
Fig. 3 is Fig. 1 B-B profiles；
In figure：1- hulls, 2- motors, 3- keg floats, 4- air supporting water distributions, the foldable supporting cantilevers of 5-, 6- flocculant concentration devices, 7- is floated
Plate, 8- pumps, 9- grids, 10- scrapes algae plate, 11- electric control chambers, 12- algae-residue collecting chambers, 13- algae-residues compression reserve zone, 14- cables,
15- support bars, the defeated algae slurry pipes of 16-.
Embodiment
Embodiment 1
A kind of algae processing unit, including hull 1, collection algae device, foldable supporting cantilever 5, cable 14, support bar 15 and defeated
Algae starches pipe 16；
Hull 1 has two, is separately positioned on the afterbody of hull 1 provided with electric control chamber 11, algae-residue compression reserve zone 13 and motor 2, motor 2
Both sides；
Collection algae device includes air supporting water distribution 4, flocculant concentration device 6, kickboard 7, pump 8, grid 9, scrapes algae plate 10 and algae-residue collecting chamber
12；Kickboard 7 is wrapped in outside algae-residue collecting chamber 12, and flocculant concentration device 6 is placed in the internal upper part of algae-residue collecting chamber 12, and pump 8 is placed in algae
In slag collecting chamber 12；
Support bar 15 is provided between algae-residue collecting chamber 12 and algae-residue compression reserve zone 13, support bar 15 is used to support cable 14 and defeated
Algae starches pipe 16；The one end of cable 14 is connected with electric control chamber 11, and the other end is connected with air supporting water distribution 4 and pump 8 respectively；Defeated algae starches pipe 16
One end is stretched into algae-residue compression reserve zone 13, and the other end is connected with pump 8；The both sides of support bar 15 are respectively provided with a foldable support and hanged
Arm 5, foldable one end of supporting cantilever 5 is connected with motor 2, and the other end is connected with kickboard 7, and the foldable burst of supporting cantilever 5 is set
There is the angle adjustable between keg float 3, two foldable supporting cantilevers 5, scope is 30~160 °；It is outstanding in two foldable supports
Set between arm 5, before algae-residue collecting chamber 12 and scrape algae plate 10, algae-residue collecting chamber 12 scrapes algae with scraping the junction of algae plate 10 provided with opening
Set before plate 10 and grid 9 is set before air supporting water distribution 4, air supporting water distribution 4.
Embodiment 2
A kind of algae processing unit, structure is substantially the same manner as Example 1, and difference is, air supporting water distribution 4 is pressure air-dissolving gas
Floating, pump 8 is submersible sewage pump.
Embodiment 3
A kind of algae processing unit, structure is substantially the same manner as Example 1, and difference is, pump 8 is immersible pump, and grid 9 is half
Submersible grid, is made up of fine fack with coarse rack.
Embodiment 4
The method that algae is handled using any one algae processing unit in embodiment 1 to 3, it is logical according to the amount of Measures of Algae in Water Body
The angle crossed between the two foldable support arms 5 of regulation of motor 2, and foldable supporting cantilever 5 is placed in 0.25~1.5m under water；
Hull 1 is forward in traveling process, and tractive force, the scouring force of current, wind direction of the large-scale suspension with algae in ship on the water surface blow
Action comes together in the position of grid 9 under, and algae and large-scale suspension are separated after being filtered through grid 9, and the lower end of air supporting water distribution 4, which has, releases
Put device and be located at 0.25~1.5m below floating algal layer, start to discharge micro-bubble, alga cells and high degree of dispersion in natural water
Microbubble is adhered to each other, and it is mutually assembled and is floated to the surface under buoyancy；Algae plate 10 of scraping followed by hangs the water surface
Floating algae-residue is collected into algae-residue collecting chamber 12, flocculant concentration device 6 from algae-residue collecting chamber 12 with scraping the opening of the junction of algae plate 10
Add flocculant to flocculate to algae-residue, the algae-residue after flocculation then is starched into pipe 16 by defeated algae using pump 8 is transported to hull 1
Algae-residue compresses reserve zone 13, so as to complete the removal of algae in water.
Claims (6)
1. a kind of algae processing unit, including hull（1）, collection algae device, foldable supporting cantilever（5）, cable（14）, support
Bar（15）Starch and manage with defeated algae（16）；
Hull（1）Provided with electric control chamber（11）, algae-residue compression reserve zone（13）And motor（2）, motor（2）There are two, set respectively
In hull（1）Two sides of tail；
Collecting algae device includes air supporting water distribution（4）, flocculant concentration device（6）, kickboard（7）, pump（8）, grid（9）, scrape algae plate（10）
With algae-residue collecting chamber（12）；Kickboard（7）It is wrapped in algae-residue collecting chamber（12）Outside, flocculant concentration device（6）It is placed in algae-residue collection
Room（12）Internal upper part, pump（8）It is placed in algae-residue collecting chamber（12）It is interior；
Algae-residue collecting chamber（12）Reserve zone is compressed with algae-residue（13）Between be provided with support bar（15）, support bar（15）For supporting cable
Line（14）Starch and manage with defeated algae（16）；Cable（14）One end and electric control chamber（11）Connection, the other end respectively with air supporting water distribution（4）With
Pump（8）Connection；Defeated algae slurry pipe（16）Algae-residue compression reserve zone is stretched into one end（13）It is interior, the other end and pump（8）Connection；Support bar
（15）Both sides are respectively provided with a foldable supporting cantilever（5）, foldable supporting cantilever（5）One end and motor（2）Connection, the other end
With kickboard（7）Connection, foldable supporting cantilever（5）Burst is provided with keg float（3）, two foldable supporting cantilevers（5）Between
Angle adjustable；In two foldable supporting cantilevers（5）Between, algae-residue collecting chamber（12）Algae plate is scraped in preceding setting（10）, algae-residue collection
Room（12）With scraping algae plate（10）Junction is provided with opening, scrapes algae plate（10）Preceding setting air supporting water distribution（4）, air supporting water distribution（4）Before
Grid is set（9）.
2. algae processing unit according to claim 1, it is characterised in that air supporting water distribution（4）For pressurized dissolved air flotation.
3. algae processing unit according to claim 1, it is characterised in that two foldable supporting cantilevers（5）Between
Angular range is 30~160 °.
4. algae processing unit according to claim 1, it is characterised in that pump（8）For submersible sewage pump or immersible pump.
5. algae processing unit according to claim 1, it is characterised in that grid（9）For semi-submersible type grid, by fine fack
Constituted with coarse rack.
6. the method for algae is handled using the algae processing unit described in claim 1 to 5 any one, according to Measures of Algae in Water Body
Amount pass through motor（2）Adjust two foldable support arms（5）Between angle, and by foldable supporting cantilever（5）It is placed in water
Lower 0.25~1.5m；Hull（1）Forward in traveling process, large-scale suspension and tractive force, current of the algae in ship on the water surface
Scouring force, come together in grid under wind direction air blast effect（9）Position, through grid（9）Algae and large-scale suspension are separated after filtering,
Air supporting water distribution（4）Lower end is located at 0.25~1.5m below floating algal layer, and discharges micro-bubble, alga cells and height in natural water
The scattered microbubble of degree is adhered to each other, and it is mutually assembled and is floated to the surface under buoyancy；Followed by scrape algae plate
（10）The algae of floating on water from algae-residue collecting chamber（12）With scraping algae plate（10）The opening of junction is collected into algae-residue collecting chamber
（12）, flocculant concentration device（6）Add flocculant to flocculate to algae-residue, then utilize pump（8）Algae-residue after flocculation is passed through
Defeated algae slurry pipe（16）It is transported to hull（1）Algae-residue compression reserve zone（13）, so as to complete the removal of algae in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285338.XA CN107012847A (en) | 2017-04-27 | 2017-04-27 | A kind of algae processing unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285338.XA CN107012847A (en) | 2017-04-27 | 2017-04-27 | A kind of algae processing unit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107012847A true CN107012847A (en) | 2017-08-04 |
Family
ID=59447341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285338.XA Pending CN107012847A (en) | 2017-04-27 | 2017-04-27 | A kind of algae processing unit and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107012847A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777746A (en) * | 2019-11-01 | 2020-02-11 | 上海大学 | Algae suction pump inlet device and algae suction method |
| CN111606473A (en) * | 2020-05-22 | 2020-09-01 | 江苏长三角环境科学技术研究院有限公司 | Efficient removal process and device for algae in water body |
| CN113636699A (en) * | 2021-09-07 | 2021-11-12 | 昆明理工大学 | Technical method for efficient algae-laden water separation of eutrophic water body |
| CN114835191A (en) * | 2022-06-02 | 2022-08-02 | 江苏电子信息职业学院 | Integrated efficient ozone air flotation device for treating algae |
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| CA2559300A1 (en) * | 2006-09-08 | 2008-03-08 | Ian F. Hood | Sewage treatment technology |
| CN101234808A (en) * | 2008-02-22 | 2008-08-06 | 合肥市东方美捷分子材料技术有限公司 | Algae flocculating purifying platform |
| CN101671060A (en) * | 2009-09-24 | 2010-03-17 | 同济大学 | Processing device of single air floatation alga removing ship for large-area alga eruption of natural water body and processing method |
| CN105764588A (en) * | 2013-10-31 | 2016-07-13 | 陈旗新 | Floating filter system for in- situ algae removal |
| CN206873423U (en) * | 2017-04-27 | 2018-01-12 | 昆明理工大学 | A kind of algae processing unit |
-
2017
- 2017-04-27 CN CN201710285338.XA patent/CN107012847A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2559300A1 (en) * | 2006-09-08 | 2008-03-08 | Ian F. Hood | Sewage treatment technology |
| CN101234808A (en) * | 2008-02-22 | 2008-08-06 | 合肥市东方美捷分子材料技术有限公司 | Algae flocculating purifying platform |
| CN101671060A (en) * | 2009-09-24 | 2010-03-17 | 同济大学 | Processing device of single air floatation alga removing ship for large-area alga eruption of natural water body and processing method |
| CN105764588A (en) * | 2013-10-31 | 2016-07-13 | 陈旗新 | Floating filter system for in- situ algae removal |
| CN206873423U (en) * | 2017-04-27 | 2018-01-12 | 昆明理工大学 | A kind of algae processing unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777746A (en) * | 2019-11-01 | 2020-02-11 | 上海大学 | Algae suction pump inlet device and algae suction method |
| CN110777746B (en) * | 2019-11-01 | 2021-05-14 | 上海大学 | Algae suction pump inlet device and algae suction method |
| CN111606473A (en) * | 2020-05-22 | 2020-09-01 | 江苏长三角环境科学技术研究院有限公司 | Efficient removal process and device for algae in water body |
| CN113636699A (en) * | 2021-09-07 | 2021-11-12 | 昆明理工大学 | Technical method for efficient algae-laden water separation of eutrophic water body |
| CN114835191A (en) * | 2022-06-02 | 2022-08-02 | 江苏电子信息职业学院 | Integrated efficient ozone air flotation device for treating algae |
| CN114835191B (en) * | 2022-06-02 | 2023-04-18 | 江苏电子信息职业学院 | Integrated efficient ozone air flotation device for treating algae |
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Application publication date: 20170804 |
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