CN115961600B - Algae cleaning robot and algae cleaning method - Google Patents
Algae cleaning robot and algae cleaning method Download PDFInfo
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- CN115961600B CN115961600B CN202310240857.XA CN202310240857A CN115961600B CN 115961600 B CN115961600 B CN 115961600B CN 202310240857 A CN202310240857 A CN 202310240857A CN 115961600 B CN115961600 B CN 115961600B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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Abstract
The invention discloses an algae cleaning robot and an algae cleaning method. The utility model provides a clear algae robot, includes the robot body, be equipped with power device, body turn to and advancing device, algae collection device and storage device on the robot body, algae collection device is including locating the collection box on the robot body, be equipped with high-pressure water jet device and algae suction device in the collection box. An algae removal method, comprising the following steps: step 1, cutting the rhizome of algae by high-pressure water flow; step 2, centralizing floating algae through centripetal force action of a screw conveyor on water flow; step 3, sucking algae through a submersible pump and discharging the algae to a storage device; and 4, enabling algae and water flow to pass through a filter screen in the storage device, and simultaneously realizing flowback. Can thoroughly clear up and collect the river bottom algae, make the bottom plant mix into the riverbed, carry out supplementary water purification, and then reduce manual work intensity, improve the operating efficiency, reduce the treatment cost.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an algae removal robot and an algae removal method.
Background
The algae not only can destroy the ecological balance of the water source, but also can cause the local water source to lose the use function, thereby causing great loss of regional water resources, water environment and regional economy. According to investigation, some algae removal treatment measures are adopted in the water areas of partial areas, but the effect is poor, algae growing at the river bottom are difficult to clean at one time, the algae are difficult to clean repeatedly, the symptoms and root causes are often treated, and not only are large manpower and material resources wasted, but also the cleaning efficiency is low. Wherein, even some modes, not only easily make the bed mud turn up to the alga removal in-process of river bottom, but also easily cause the secondary pollution of river, finally make again to the river course seeding the sediment plant water purification degree of difficulty increase, and the sediment plant also hardly adheres to on the riverbed, leads to its survival rate low, can not reach the purpose of purifying.
Disclosure of Invention
The invention aims at: aiming at the problems, the algae cleaning robot and the algae cleaning method can thoroughly clean and collect algae at the river bottom, mix the bottom plants and mix the bottom plants into the river bed for auxiliary water purification, further reduce the labor intensity, improve the working efficiency and reduce the treatment cost.
The technical scheme adopted by the invention is as follows:
the utility model provides a clear algae robot, includes the robot body, be equipped with power device, body turn to and advancing device, algae collection device and storage device on the robot body, algae collection device is including locating the collection box on the robot body, be equipped with high-pressure water jet device and algae suction device in the collection box.
Alternatively, the algae suction device comprises a screw conveyor and a submersible pump, wherein the submersible pump is connected with an input pipeline and an output pipeline, and the input end of the input pipeline is arranged beside the screw conveyor; the output end of the output pipeline is communicated with the storage device.
Alternatively, the algae suction device is arranged at the rear side of the collecting box, and an opening is arranged at the front side of the collecting box.
Alternatively, the high-pressure water jet device comprises a high-pressure jet pipe hinged on the collecting box, and a plurality of high-pressure nozzles are arranged on the high-pressure jet pipe.
Alternatively, the high-pressure spray pipe is arranged on the side surface of the collecting box through a transmission chain.
Alternatively, the high-pressure spray pipes comprise two high-pressure spray pipes arranged on the left side and the right side of the collecting box, the two high-pressure spray pipes are respectively arranged on the collecting box through transmission chains, and the transmission chains are connected through transmission gear pairs.
Alternatively, the collecting box is arranged on the robot floating body in a lifting manner through a lifting device, the lifting device comprises a base arranged on the robot floating body and a lifting rod penetrating through the robot floating body, a winch system is arranged on the base, and the winch system is connected with the lifting rod.
Alternatively, the collecting box is rotatably connected with the lifting device through the rotating seat.
Alternatively, roller groups are arranged on the left side and the right side of the collecting box.
An algae removal method, comprising the following steps:
and 4, enabling algae and water flow to pass through a filter screen in the storage device, and simultaneously realizing flowback.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the algae cleaning robot and the algae cleaning method, the high-pressure water jet principle is utilized to cut the root systems and the rhizomes of the algae, and then the cut algae plants are collected, so that the cleaning efficiency is high, and the cleaning is thorough; and the river bottom silt can be mixed into the plant seeds at the bottom, so that the survival rate of the water purification of the plant at the bottom is increased, and the aim of assisting in water purification is fulfilled.
2. The algae cleaning robot disclosed by the invention controls the algae collecting device to be lowered to any operation water depth, has a large working range, and can efficiently clean algae plants and impurities in channels, river channels or inland water under various hydrologic conditions on the water surface and the water bottom; and the contact surface with the water bottom can be reduced, the collecting device is protected, different topography conditions can be adapted, algae on the side and the bottom can be cleaned, and the long-term stable action can be realized.
3. The algae-cleaning robot disclosed by the invention has the advantages of higher safety coefficient and safe and reliable structure; the novel algae collecting mode has stronger comprehensive capacity, and integrates continuous salvage, solid-liquid separation, storage and transportation functions into a whole by utilizing the comprehensive treatment mode of intelligent control, water flow annular cutting, spiral conveying and ecological filtering; the algae cleaning operation is implemented, and other problems affecting the water quality are not generated; the manual labor intensity of algae cleaning operation can be effectively reduced, the algae cleaning efficiency is improved, the algae cleaning cost is reduced, and the automation and the intellectualization of the algae cleaning operation are realized.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a front view of an algae removal robot.
Fig. 2 is a sectional view A-A of fig. 1.
Fig. 3 is a schematic perspective view of an algae removal robot.
Fig. 4 is an enlarged view at B of fig. 3.
Fig. 5 is a front view of the collection box.
Fig. 6 is a C-C cross-sectional view of fig. 5.
Fig. 7 is a top view of the collection box.
Fig. 8 is a D-D cross-sectional view of fig. 7.
Fig. 9 is a schematic perspective view of the collection box.
Fig. 10 is a schematic perspective view of a second collection box.
The marks in the figure: the device comprises a 1-robot floating body, a 2-driving control center, a 3-floating body steering and propelling device, a 4-algae collecting device, a 41-collecting box, a 42-high-pressure water jet device, a 421-high-pressure spray pipe, a 422-high-pressure spray nozzle, a 43-algae sucking device, a 431-screw conveyor, a 432-submersible pump, a 433-input pipeline, a 434-output pipeline, a 44-transmission chain, a 45-track, a 46-transmission gear pair, a 47-roller group, a 48-rotating motor, a 49-rotating connecting rod, a 5-storage device, a 6-lifting device, a 61-base, a 62-lifting rod, a 63-winch system, a 64-guiding wheel group and a 7-rotating seat.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The utility model provides a clear algae robot, shown in fig. 1-4, includes robot body 1, be equipped with power device, body turn to and advancing device 3, algae collection device 4 and storage device 5 on the robot body 1, algae collection device 4 is including locating the collection box 41 on the robot body 1, shown in fig. 5-10, be equipped with high-pressure water jet device 42 and algae suction device 43 in the collection box 41.
The high-pressure water jet device 42 comprises a high-pressure pump, the high-pressure pump is connected with a nozzle, the instant system energy of a power source is converted into pressure energy by the high-pressure pump by applying the liquid pressurizing principle, water flow with huge pressure energy passes through the small-hole nozzle and then the pressure energy is converted into kinetic energy, so that the high-speed jet is formed to cut the root system and the rhizome of the algae, the cleaning purpose can be achieved, in addition, river bottom silt can be mixed into the plant seeds of the bottom, the survival rate of the water purification of the bottom plant is increased, the purpose of assisting the water purification is achieved, in addition, the algae winding can be effectively prevented by adopting the water flow cutting mode for cutting the cutter body. Further, the cutting direction of the high-pressure water jet device 42 can be controlled. The cut algae enter the inside of the collecting box 41 and finally are conveyed to the storage device 5 on the floating body through the algae suction device 43. Meanwhile, the high-pressure water jet device 42 and the algae suction device 43 can control the water flow direction and the cutting direction, and when the high-pressure water jet device 42 and the suction direction are in the same direction, the algae movement can be accelerated, so that the suction efficiency is improved; when the high-pressure water jet device 42 is opposite to the suction direction, the cutting direction can be opposite to the inclination direction of the algae stem, and the algae stem can be cut more thoroughly.
Specifically, the robot floating body 1 provides water support for each device and integrates each device as a matrix, so that the robot can be guaranteed to perform construction operation in a water area within a navigable range, wherein the whole robot floating body 1 is manufactured by steel welding, has a high safety coefficient, and is safe and reliable in structure. Further, the robot floating body adopts the structure of a catamaran, the stability is better, and the gap between the catamaran can provide space for arranging the algae collecting device 4. The power device comprises a floating body power unit and a floating body hydraulic control unit, wherein the floating body power unit comprises a diesel engine set, a generator set, a transmission shaft, a gearbox and other necessary facilities, provides power and speed change functions for navigation of the robot floating body 1, ensures the power supply requirement of the algae removal robot, and further, the collecting box power system can also adopt clean energy sources such as solar energy, wind energy and the like to supply power; the floating body hydraulic control unit comprises hydraulic equipment such as a hydraulic station, a steering engine oil cylinder, a hydraulic motor and the like, and meets the functional requirements of all hydraulic facilities and hydraulic transmission of the algae cleaning robot. The floating body steering and propulsion device 3 comprises necessary equipment such as a rudder system, a propeller and the like for sailing, and the algae-cleaning robot is steered by changing the water flow direction through left-right rotation. The algae collecting device 4 collects algae underwater and conveys the algae to the storage device 5 for temporary storage, and after the robot finishes cleaning operation, the robot sails to the unloading position to load and unload sundries such as algae collected in the storage device 5, so that cleaning work is completed. The storage device 5 is formed by a metal structure, and is internally provided with a conveying net chain, a hydraulic control motor, a chain wheel and other component facilities, so that the purposes of solid-liquid separation and easy unloading can be realized.
As another specific embodiment, the algae suction device 43 includes a screw conveyor 431 and a submersible pump 432, the submersible pump 432 is connected with an input pipeline 433 and an output pipeline 434, and an input end of the input pipeline 433 is disposed beside the screw conveyor 431; the output of the output conduit 434 leads to the storage device 5. Specifically, the spiral conveyer 431 can exert a centripetal force on the water flow, so that the floating algae can be quickly brought to the periphery of the input end of the input pipeline 433 through the water flow, and the algae can be quickly sucked into the submersible pump 432 and then conveyed to the storage device 5 through the adsorption force generated by the operation of the submersible pump 432. Wherein, the submerged pump is internally provided with a reamer, so that secondary cutting can be carried out on algae.
As another specific embodiment, the algae suction means 43 is provided at the rear side of the collecting tank 41, and the front side of the collecting tank 41 is provided with an opening. Specifically, algae can be caused to enter the collection tank 41; and, the rivers flow from front to back, pass through the opening earlier and then lead to algae suction means 43, can drive the algae that floats and flow to algae suction means 43 department.
As another specific embodiment, the high-pressure water jet device 42 includes a high-pressure nozzle 421 hinged to the collecting tank 41, and a plurality of high-pressure nozzles 422 are provided on the high-pressure nozzle 421. The high-pressure spray pipe 421 can swing within a certain range, so that a fillet cutting effect is formed on the rhizome of the algae, the rhizome of the algae is ensured to be acted by cutting force in the circumferential direction, and the purpose of thoroughly and quickly removing the algae is finally achieved. Further, the high-pressure nozzle 421 is provided to the collection tank 41 by a rotary motor 48, and the high-pressure nozzle 421 is provided to the rotary motor 48 by a rotary link 49.
As another specific embodiment, the high-pressure nozzle 421 is disposed on the side of the collecting tank 41 through a transmission chain 44. The high-pressure nozzle 421 can be controlled to move left and right, and further, a wider range of cleaning can be performed. Further, a rail 45 is further provided between the high-pressure nozzle 421 and the collecting tank 41, so as to support and guide the high-pressure nozzle.
As another specific embodiment, the high-pressure nozzles 421 include two high-pressure nozzles 421 disposed on the left side and the right side of the collecting tank 41, and the two high-pressure nozzles 421 are disposed on the collecting tank 41 through transmission chains 44, and the transmission chains 44 are connected through a transmission gear pair 46. Synchronous movement can be realized, and the high-pressure spray pipes 421 on the two sides are prevented from being interfered by movement.
As another specific embodiment, the collecting tank 41 is arranged on the robot floating body 1 in a liftable manner through the lifting device 6, the lifting device 6 comprises a base 61 arranged on the robot floating body 1 and a lifting rod 62 penetrating through the robot floating body 1, a winch system 63 is arranged on the base 61, and the winch system 63 is connected with the lifting rod 62. When the robot floating body 1 sails to the algae collecting area, the lifting device 6 can lift the algae collecting device 4, so that the algae collecting device can be lowered to any operation water depth. Specifically, the base 61 is fixed on the robot floating body 1, and is integrally of a metal structure, and is a main stress unit for algae cleaning construction. The winch device comprises a winch, a steel rope, a pulley block and the like. The robot is used for realizing the function of automatically collecting algae collecting systems. The lifting rod 62 can ensure that the collection box 41 is lifted and lowered in the guiding direction, and prevent tilting. Further, the guiding wheel set 64 for guiding the lifting part is provided on the base 61, so that friction of the lifting part in the lifting process can be reduced, and smooth lifting of the collecting box 41 can be ensured. The guide wheel sets 64 are provided on both sides of the lifting unit, and can position the lifting unit.
As a further specific embodiment, the collection box 41 is rotatably connected to the lifting device 6 by means of the swivel base 7. The rotating seat 7 can freely rotate in front, back, left and right directions according to the specific water bottom surface.
As another specific embodiment, roller sets 47 are provided on the left and right sides of the collecting box 41. In the face of various complex road conditions at the water bottom, the device can be used for supporting the collection box 41 to move more flexibly at the water bottom, so that the collection box 41 has stronger environmental adaptability. And the contact area with the water bottom can be effectively reduced, the resistance of the water bottom and the collecting device is reduced, and the blockage and damage of impurities such as water bottom silt, stones and the like to the injection collecting box 41 are avoided.
As another specific embodiment, the robot floating body 1 is further provided with a driving control center 2, and a control system assembly is arranged in the driving control center 2. The driving control center 2 is used as a central command center of the algae removal robot, comprises a control system assembly for all operations and sailing of the algae removal robot, can monitor, transmit and control the robot construction operation in real time, and can provide a relevant background data interface to realize intelligent control. Specifically, the control system assembly is connected with the control systems of the power device, the floating body steering and propelling device 3, the algae collecting device 4 and the storage device 5.
An algae removal method, comprising the following steps:
and 4, enabling algae and water flow to pass through a filter screen in the storage device, and simultaneously realizing flowback.
The system of the power source can be converted into pressure energy by utilizing the liquid pressurization principle, and then the pressure energy is converted into kinetic energy, so that a high-speed jet is formed to cut the root system and the rhizome of the algae, the cleaning purpose can be achieved, in addition, river bottom silt can be mixed into the plant seeds at the bottom, the survival rate of the water purification of the plant at the bottom is increased, the purpose of assisting in water purification is achieved, in addition, the algae winding can be effectively prevented by adopting a water flow cutting mode for cutting the cutter body. The cut algae enter the inside of the collecting box 41 and finally are conveyed to the storage device 5 on the floating body through the algae suction device 43. Meanwhile, the high-pressure water jet device 42 and the algae suction device 43 can control the water flow direction and the cutting direction, and when the high-pressure water jet device 42 and the suction direction are in the same direction, the algae movement can be accelerated, so that the suction efficiency is improved; when the high-pressure water jet device 42 is opposite to the suction direction, the cutting direction can be opposite to the inclination direction of the algae stem, and the algae stem can be cut more thoroughly. The filter screen can realize the purposes of solid-liquid separation and easy unloading, and the liquid is discharged into the river again.
The invention provides an algae-cleaning robot, which comprises the following working processes:
1. the algae collecting device 4 is moved to the algae collecting area by utilizing the steering and propulsion system of the robot floating body 1; at this time, the winch system 63 on the support frame is started to vertically lower the lifting rod 62 of the lifting device 6 through the pulley block to the water bottom.
2. Starting the high-pressure pump in the algae collecting device 4, and utilizing the principle of high-pressure water jet, along with the increase of pump pressure, gradually increasing the jet water flow speed and water pressure jetted from the high-pressure nozzle at the bottom of the collecting system, so that a good cutting effect is finally formed on the rootstocks of the algae. If the water jet cutting is not thorough, the rotary motor 48 can enable the two groups of high-pressure spray pipes 421 to swing clockwise and anticlockwise within the range of 0-90 degrees, a fillet cutting effect is formed on the roots and stems of the algae, the roots and stems of the algae can be ensured to be acted by cutting force in the circumferential direction, and finally thorough and rapid algae removal is achieved.
3. When the algae rootstock is cut off to form a floating state, the floating algae is quickly brought to the periphery of the suction inlet of the submersible pump 432 under the action of centripetal force generated by the spiral conveyor 431 at the end part of the collecting tank 41 on water flow, the algae is quickly sucked into the submersible pump 432 under the action of adsorption force generated by the operation of the submersible pump 432, and is discharged into the output pipeline 434 through the submersible pump 432, and the algae is discharged from the output pipeline 434 to the storage device 5 under the action of pumping pressure.
4. At this time, liquid, moisture, etc. are directly fed back into the water from the mesh holes of the storage device 5, and solids, particles, etc. remain in the storage device 5 for temporary storage. After the robot finishes the collection operation, the robot moves to a specified point to discharge, so that the whole algae cleaning work is finished.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (7)
1. An algae removal robot which is characterized in that: the device comprises a robot floating body (1), wherein a power device, a floating body steering and pushing device (3), a algae collecting device (4) and a storage device (5) are arranged on the robot floating body (1), the algae collecting device (4) comprises a collecting box (41) arranged on the robot floating body (1), and a high-pressure water jet device (42) and an algae absorbing device (43) are arranged in the collecting box (41);
the algae suction device (43) comprises a screw conveyor (431) and a submersible pump (432), wherein the submersible pump (432) is connected with an input pipeline (433) and an output pipeline (434), and the input end of the input pipeline (433) is arranged beside the screw conveyor (431); the output end of the output pipeline (434) is communicated with the storage device (5);
the algae suction device (43) is arranged at the rear side of the collecting box (41), and an opening is arranged at the front side of the collecting box (41);
the high-pressure water jet device (42) comprises a high-pressure jet pipe (421) hinged to the collecting box (41), and a plurality of high-pressure nozzles (422) are arranged on the high-pressure jet pipe (421).
2. The algae removal robot of claim 1, wherein: the high-pressure spray pipe (421) is arranged on the side surface of the collecting box (41) through a transmission chain (44).
3. The algae removal robot of claim 2, wherein: the high-pressure spray pipes (421) are arranged on the left side and the right side of the collecting box (41), the two high-pressure spray pipes (421) are respectively arranged on the collecting box (41) through transmission chains (44), and the transmission chains (44) are connected through transmission gear pairs (46).
4. The algae removal robot of claim 1, wherein: the collecting box (41) is arranged on the robot floating body (1) in a lifting mode through the lifting device (6), the lifting device (6) comprises a base (61) arranged on the robot floating body (1) and a lifting rod (62) penetrating through the robot floating body (1), a winch system (63) is arranged on the base (61), and the winch system (63) is connected with the lifting rod (62).
5. The algae removal robot of claim 4, wherein: the collecting box (41) is rotatably connected with the lifting device (6) through the rotating seat (7).
6. The algae removal robot of claim 1, wherein: roller groups (47) are arranged on the left side and the right side of the collecting box (41).
7. An algae cleaning method is characterized in that: an algae removal robot applied to any one of claims 1-6, comprising the steps of: step 1, cutting the rhizome of algae by high-pressure water flow; step 2, centralizing floating algae through centripetal force action of a screw conveyor (431) on water flow; step 3, sucking algae through a submersible pump (432) and discharging the algae to a storage device; and 4, enabling algae and water flow to pass through a filter screen in the storage device, and simultaneously realizing flowback.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310240857.XA CN115961600B (en) | 2023-03-14 | 2023-03-14 | Algae cleaning robot and algae cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310240857.XA CN115961600B (en) | 2023-03-14 | 2023-03-14 | Algae cleaning robot and algae cleaning method |
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| CN115961600A CN115961600A (en) | 2023-04-14 |
| CN115961600B true CN115961600B (en) | 2023-05-26 |
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| GB687396A (en) * | 1951-08-09 | 1953-02-11 | Scottish Seaweed Res Ass | Improvements in or relating to devices for cutting seaweed under water |
| GB2093327A (en) * | 1981-02-21 | 1982-09-02 | Watts Derek James | High pressure liquid cutting means |
| CA2059793A1 (en) * | 1991-01-22 | 1992-07-23 | Giancarlo Ravagnan | Watercraft bucket for collecting floating materials |
| JPH08154559A (en) * | 1994-10-07 | 1996-06-18 | Asahi Chem Ind Co Ltd | Removal of miscellaneous seaweed and equipment therefor |
| CN2349266Y (en) * | 1998-08-25 | 1999-11-17 | 孙加林 | Rotary cutting suction disc type underwater soil-shifting machine |
| JP4564149B2 (en) * | 2000-09-08 | 2010-10-20 | 三井造船株式会社 | Water jet type floating material scraping device for floating material recovery device |
| DE10222427B4 (en) * | 2002-05-21 | 2004-08-12 | Kastriot Merlaku | Additional device for a liquid jet lawnmower |
| JP4952980B2 (en) * | 2006-05-31 | 2012-06-13 | 学校法人日本大学 | Algae crusher |
| JP2011036214A (en) * | 2009-08-18 | 2011-02-24 | Yasunori Araki | Water-pressure grass cutter |
| CA2805925A1 (en) * | 2013-02-06 | 2014-08-06 | Jonathan K. Biley | Method and apparatus for removing seaweed from the ocean and beach |
| CN105239544B (en) * | 2015-10-12 | 2017-11-07 | 盐城师范学院 | A kind of Taihu Lake float type green alga cleaning plant |
| CN105948390B (en) * | 2016-06-08 | 2021-02-19 | 上海中韩术环境科技有限公司 | Floating type river channel bottom pollutant removing and purifying device and method |
| CN107829420B (en) * | 2017-11-21 | 2019-10-11 | 陶盈 | A kind of algae collection and treatment device |
| CN108385750A (en) * | 2018-03-19 | 2018-08-10 | 姚飞锋 | A kind of time saving and energy saving hydraulic engineering channel cleanout device |
| CN111560930B (en) * | 2020-05-22 | 2021-06-15 | 重庆云境农业开发有限公司 | Algae cleaning device |
| CN112854162A (en) * | 2021-01-14 | 2021-05-28 | 江苏大学 | Aquatic weed removing device and method |
| CN114275933A (en) * | 2021-12-27 | 2022-04-05 | 沈阳农业大学 | Promote aquatic attitude treatment equipment of quality of water |
| CN216892335U (en) * | 2022-03-28 | 2022-07-05 | 重庆一滴水环保工程有限公司 | Purifier that ecological restoration of water was used |
| CN115231634A (en) * | 2022-07-22 | 2022-10-25 | 上海交通建设总承包有限公司 | Movable lake water body blue algae control device |
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