AU2020100279A4 - Device and Method for Rapidly Removing Algal Blooms in Water Body - Google Patents
Device and Method for Rapidly Removing Algal Blooms in Water Body Download PDFInfo
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- AU2020100279A4 AU2020100279A4 AU2020100279A AU2020100279A AU2020100279A4 AU 2020100279 A4 AU2020100279 A4 AU 2020100279A4 AU 2020100279 A AU2020100279 A AU 2020100279A AU 2020100279 A AU2020100279 A AU 2020100279A AU 2020100279 A4 AU2020100279 A4 AU 2020100279A4
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from 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
- E02B15/10—Devices for removing the material from the surface
- E02B15/106—Overflow skimmers with suction heads; suction heads
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
The present invention discloses a device for rapidly removing algae blooms in a water body,
which comprises a ship body, wherein a driving system is arranged at a tail part of the ship body,
an algae suction system, a dehydration system and an algae storage system which are sequentially
communicated are arranged on the ship body, two sides of the ship body are respectively provided
with an outwardly extending algae collector which forms an algae collecting groove along with
the corresponding side of the ship body, the algae suction system comprises algae suction devices
which are respectively arranged at the two sides of the ship body and are adjustable in angle, and
the algae suction devices are positioned at inner sides of corresponding algae collecting grooves.
The algae blooms in the water body are collected and treated through the algae suction system, the
dehydration system and the algae storage system which are arranged on the ship body, the ship
body can move circumferentially on the water surface around a rotating shaft under the action of
driving force and traction force in a work project. Meanwhile, the length change of a traction rope
is controlled by a motor, so that the ship body can pass through each area of the water body; by
adopting a small ship body, the algal bloom removal work in a narrow water area or a shallow
water area can be completed. Therefore, human resources are saved, and working efficiency is
improved. The present invention is applied to the field of water body algal bloom treatment.
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Description
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Description
Device and Method for Rapidly Removing Algal Blooms in Water Body
Technical Field The present invention relates to the field of water body algal bloom treatment, in particular to a device and a method for rapidly removing algal blooms in a water body.
Background Art Blue algae are prokaryotes, also called blue-green algae or cyanobacteria. Most blue algae have a pectic coating outside their cell walls, so they are also called myxomycete algae. Among the algae, blue algae are the simplest and most primitive unicellular organisms, such as Microcystis, Nostoc, Anabaena, etc. Blue algae are the earliest photosynthetic oxygen evolution organisms, which plays an important role in changing the atmospheric environment at the surface of the earth from anaerobic to aerobic. Many blue algae (such as anabaena) can directly fix nitrogen in the atmosphere, so that the soil fertility is improved, and crop yield is increased. Some blue algae are also used as food for people, such as well-known Nostoc flagelliforme and Nostoc commune, spirulina, etc.
However, as the eutrophication of water is increasingly serious, cyanobacteria bloom in abundance to form a layer of blue-green and odorous scrum on the water surface, called "water bloom". The accumulation of excessive blue algae in the water body may consume a large amount of oxygen in the water body and cause deterioration of water quality and even the death of fishes when oxygen in the water is depleted in a severe case, so that aquatic organisms and the ecosystem thereof are seriously affected. Moreover, some types of blue algae, such as Microcystis will produce microcystins (MCs for short) which is also an important cause of liver cancer in addition to direct toxicity to fishes, humans and livestock.
The removal of blue algae is usually accomplished by physical, chemical and biological methods. In recent years, some algaecides are most commonly used in chemical methods to remove algae. Copper sulfate is the most widely used algaecide. However, organic flocculants cannot be degraded so as to result in new pollution sources. Besides, clay can result in a large amount of sludge, algaecides can also cause harm to aquatic organisms, and chemicals are easy to generate the phenomena of oxygen deficit, poisoning and the like. The ecological methods involve microbial technology, ecosystem restoration technology and the like. The microbial technology is greatly influenced by water quality of the water body, and the ecosystem restoration needs a long time due to the construction of ecological space for forming a food chain. This technology is stable, but slightly insufficient for emergent treatment of blue algae water bloom. Some physical methods use ultraviolet radiation or ultrasound to remove algae, but these methods may threaten operators and other organisms in the water body. In addition to the above methods, directly fishing and collecting blue algae is a preferred method to quickly eliminate the harm of blue algae. In open water areas, special blue algae fishing vessels are usually used for fishing, concentrating and transporting, and a algae-water separation station is used for dehydration. Manual fishing are usually applied to small water areas and sallow water areas such as fishponds and streams with terminated ends, rivers, lakes and the like. The algae slurry fished by this method has a high water content, and the water content may still reach more than 95% even when the algae slurry is in a dense state. This fishing method has high labor intensity, poor working environment and low efficiency for operators, especially because the blue algae bloom mostly occurs in high-temperature weather.
Summary of the Invention In order to solve above problems, the present invention aims to provide a device for quickly removing algal blooms in a water body, which can quickly and effectively remove the algal blooms in a narrow water area or a shallow water area.
The technical solution adopted in the present invention is a device for rapidly removing algal blooms in a water body, which comprises a ship body, wherein a driving system is arranged at a tail part of the ship body, an algal suction system, a dehydration system and an algal storage system which are sequentially communicated are arranged on the ship body, two sides of the ship body are respectively provided with an outwardly extending algal collector which forms an algae collecting groove along with the corresponding side of the ship body, the algal suction system comprises algal suction devices which are respectively arranged at the two sides of the ship body and are adjustable in angle, and the algae suction devices are positioned at inner sides of corresponding algae collecting grooves.
As a further improvement of the above technical solution, the algae collectors are of a plate-shaped structure, and a plurality of water permeable holes are distributed on the algae collectors.
As a further improvement of the above technical solution, the algae suction devices are provided with sewage filtering nets thereon.
As a further improvement of the above technical solution, the algae suction system further comprises a pump and algae suction pipes corresponding to the algae suction devices, the dehydration system comprises a dehydrator, the algae storage system comprises an algae storage tank arranged on the ship body, one end of each algae suction pipe is in communication with the corresponding algae suction device and the other end thereof is in communication with an input end of the pump, an output end of the pump is in communication with an input end of the dehydrator through an algae pumping pipe, and an output end of the dehydrator is positioned above the algae storage tank.
As a further improvement of the above technical solution, the bottom surface of the algae storage tank is an inclined surface, and the output end of the dehydrator is positioned right above the higher side of the inclined surface.
As a further improvement of the above technical solution, the device for rapidly removing algal blooms in the water body further comprises an aeration system which comprises an aeration machine and an aeration pipe, wherein the bottom of the ship body is provided with an aeration port, one end of the aeration pipe is in communication with an output end of the aeration machine, and the other end thereof extends into water through the aeration port.
As a further improvement of the above technical solution, the device for rapidly removing algal blooms in the water body further comprises a traction system which comprises a connecting rope, a traction rope, a rotating body and a rotating shaft fixedly inserted into the water bottom, wherein one end of the connecting rope is fixedly connected to a head part of the ship body and the other end thereof is fixedly connected to a tail part of the ship body, and one end of the traction rope is connected to a middle part of the connecting rope and the other end thereof is connected to the rotating body which is rotationally connected onto the rotating shaft.
As a further improvement of the above technical solution, the rotating body is provided with a rope winding shaft and a motor thereon, the traction rope is wound on the rope winding shaft, and the motor is fixedly arranged at the top of the rotating body and is in transmission connection with the rope winding shaft.
The present invention further provides a method for rapidly removing algal blooms in a water body, which adopts the technical solution as follows: a method for rapidly removing algal blooms in the water body, which adopts the device for rapidly removing the algal blooms in the water body and comprises the following steps of: a. measuring and calculating: selecting a size for the algae collectors according to the area and openness of a water area and the outbreak condition of algal blooms, and calculating an initial length of the traction rope, a number of times for changing the length of the traction rope, a number of rotation turns for the rope winding shaft every time when the length of the traction rope is changed, and a time interval between two times for changing the length of the traction rope; b. preparing and starting up: setting the motor according to the calculated parameters, assembling elements of the device for rapidly removing algal blooms in the water body and then starting the elements, so that the ship body moves circumferentially on the water surface around the rotating shaft under the action of driving force and traction force; c. collecting algae: guiding the algae blooms on the water body to pass through the algae collectors, converge within algae collecting grooves and enter into a dehydrator after passing through algae suction devices, algae suction pipes and an algae pumping pipe under the action of a pump; d. processing algae: dehydrating algae slurry by the dehydrator and discharging the processed algae residues into the algae storage tank.
As a further improvement of the above technical solution, in the step c, aeration is performed in the water by an aeration machine, so that the algal blooms in the water floats out of the water surface.
The present invention has beneficial effects that: in the invention, the algae bloom in the water body are collected and treated through the algae suction system, the dehydration system and the algae storage system which are arranged on the ship body, the ship body can move circumferentially on the water surface around the rotating shaft under the action of driving force and traction force in a working project, and meanwhile, the length change of the traction rope is controlled through the motor, so that the ship body can pass through each area in the water body; by adopting a small ship body, the algal bloom removal work in a narrow water area or a shallow water area can be completed. Therefore, this invention has simple operation, saves energy and human resources, and further improves the working efficiency.
Brief Description of the Drawings The present invention is further illustrated by the following figures in combination with embodiments.
Fig. 1 is an overall block diagram of the present invention.
Detailed Description of the Invention As shown in Fig. 1, the device for rapidly removing the algae blooms in the water body comprises a ship body 1. The head part of the ship body 1 is in a shape of a shuttle tip so as to reduce water resistance to a certain extent. Furthermore, the body streamlined at two sides is easy to shunt algae. The ship body 1 is provided with a driving system 2 at the tail part thereof The driving system 2 comprises an engine and a propeller which are in transmission connection, so as to provide driving force for advancing of the ship body 1. The ship body 1 is provided with an algae suction system, a dehydration system and an algae storage system which are sequentially communicated. Two sides of the ship body 1 are respectively provided with an outwardly extending algae collector 3 which forms an algae collecting groove 4 along with the corresponding side of the ship body 1. The algae suction system comprises algae suction devices (5) which are respectively arranged at the two sides of the ship body (1) and are adjustable in angle. The algae suction devices 5 are made of metal bellows. The angle of each algae suction device 5 is adjusted by operators according to the moving direction of the ship body 1 and the outbreak condition of the algae blooms in the water body. The algae suction devices 5 are positioned at inner sides of corresponding algae collecting grooves. The algae blooms in the water body are collected and treated through the algae suction system, the dehydration system and the algae storage system which are arranged on the ship body 1, wherein the algae collectors 3 play a guiding and gathering role on the algae blooms floating on the water body during the movement of the ship body 1, so that it is convenient for the algae suction system to collect.
Further preferably, the algae collectors 3 are of a plate-shaped structure made of plastic or metal. A plurality of water permeable holes which are not shown are distributed on the algae collectors 3, the water permeable holes can reduce the resistance received by the algae collectors 3 when the algae collectors 3 advance in water. The diameter of the water permeable holes is 5-10 mm. The density of the water permeable holes on the algae collectors 3 is increased or decreased according to the requirements based on the actual water algal bloom condition.
Further preferably, each algae suction devices 5 is provided with a sewage filtering net which is not shown, to prevent other relatively large floats on the water surface from clogging the algae suction devices 5. The sewage filtering nets are stainless steel nets, and the diameter of the sewage filtering nets is 15-20 mm.
Further preferably, the algae suction system further comprises a pump 6 and algae suction pipes 7 corresponding to the algae suction devices 5. The dehydration system comprises a dehydrator 8 which is connected with a dehydrator water outlet pipe 21 for discharging water in the dehydrator into the water body. The algae storage system comprises an algae storage tank 9 arranged on the ship body 1. One end of each algae suction pipe 7 is in communication with the corresponding algae suction device and the other end thereof is in communication with the input end of the pump 6. The output end of the pump 6 is in communication with the input end of the dehydrator 8 through an algae pumping pipe 10. An output end of the dehydrator 8 is positioned above the algae storage tank 9, and an algae storage tank water outlet pipe 22 is arranged in the algae storage tank 9 for discharging and cleaning up water in the algae storage tank 9.
Further preferably, the bottom surface of the algae storage tank 9 is an inclined surface, and the output end of the dehydrator 8 is positioned right above the higher side of the inclined surface, so that algae residues discharged from the dehydrator 8 can be gradually accumulated from the bottom of the algae storage tank 9 under the action of gravity.
Further preferably, the device for rapidly removing the algal blooms in the water body further comprises an aeration system which comprises an aeration machine 11 and an aeration pipe 12. The bottom of the ship body 1 is provided with an aeration port 13. One end of the aeration pipe 12 is in communication with an output end of the aeration machine 11, and the other end thereof extends through the aeration port 13 to the position of 1 m below the water surface. The aeration machine 11 is a nano-aeration machine, so the aeration system can increase the dissolved oxygen amount in the water body by generating gas. Meanwhile, the nano-gas can generates a large amount of microbubbles in the water body so as to form an "air net" consisting of a large amount of microbubbles in the water at a depth of 1.0 m. Therefore, the algae in the water can be effectively driven out of the water surface, which will facilitate collection and dehydration treatment.
Further preferably, the device for rapidly removing the algal blooms in the water body further comprises a traction system which comprises a connecting rope 14, a traction rope 15, a rotating body 16 and a rotating shaft 17 fixedly inserted into the water bottom. One end of the connecting rope 14 is fixedly connected to the head part of the ship body 1 and the other end thereof is fixedly connected to the tail part of the ship body 1. One end of the traction rope 15 is connected to the middle part of the connecting rope 14 and the other end thereof is connected to the rotating body 16, which is rotationally connected onto a rotating shaft 17 via a connecting shaft 20. The ship body 1 is allowed to move circumferentially around the rotating shaft 17 under the combined action of the driving force of the drive system 2 and the traction force of the traction system.
Further preferably, the rotating body 16 is provided with a rope winding shaft 18 and a motor 19 thereon. The traction rope 15 is wound on the rope winding shaft 18, and the motor 19 is fixedly arranged at the top of the rotating body 16 and is in transmission connection with the rope winding shaft 18. The rotation of the rope winding shaft 18 is controlled by the motor 19, so as to control the extension and shortening of the traction rope 15, thereby increasing or reducing the rotation radius of the circumferential movement of the ship body 1 to remove the algae blooms throughout the whole water area.
The embodiment of the present invention also provides a method for rapidly removing the algal blooms in the water body, which adopts the technical solution as follows:
a method for rapidly removing algal blooms in the water body, which adopts the device for rapidly removing the algal blooms in the water body and comprises the following steps of:
a. measuring and calculating: selecting a size for the algae collectors according to the area and openness of a water area and the outbreak condition of algal blooms, and calculating an initial length of the traction rope, a number of times for changing the length of the traction rope, a number of rotation turns for the rope winding shaft every time when the length of the traction rope is changed, and a time interval between two times for changing the length of the traction rope;
b. preparing and starting up: setting the motor 19 according to the calculated parameters, assembling elements of the device for rapidly removing algal blooms in the water body and then starting the elements, so that the ship body 1 moves circumferentially on the water surface around the rotating shaft 17 under the action of driving force and traction force; c. collecting algae: guiding the algae blooms on the water body to pass through the algae collectors 3, converge within the algae collecting grooves 4 and enter into the dehydrator 8 after passing through the algae suction devices 5, the algae suction pipes 7 and the algae pumping pipe under the action of the pump 6; d. processing algae: dehydrating algae slurry by the dehydrator 8 and discharging the processed algae residues into the algae storage tank 9.
The algae blooms in the water body are collected and treated through the algae suction system, the dehydration system and the algae storage system which are arranged on the ship body 1. The ship body 1 can move circumferentially on the water surface around the rotating shaft 17 under the action of driving force and traction force in a work project. Meanwhile, the length change of the traction rope is controlled by the motor 19, so that the ship body 1 can pass through each area of the water body; by adopting a small ship body 1, the algal bloom removal work in a narrow water area or a shallow water area can be completed. Therefore, simple operation and energy and human resource conservation is achieved, and the working efficiency is further improved.
In the step b, as an example, an open water area is 30 m long, and the water area covered by the device for rapidly removing the water bloom in the water body is 3 m wide. Therefore, the relation for the initial length of the traction rope, the number of times for changing the length of the traction rope, the number of rotation turns for the rope winding shaft every time when the length of the traction rope is changed, and the time interval between the two times for changing the length of the traction rope is as follows:
Initial Length of Traction Rope = Width of Water Area/2 - Width of Water Area Covered by Algae Collectors at Two Sides = 30/2-3 = 12 m; in order to prevent the device from crashing into objects ashore and the rotating shaft 17 at the center, the initial length of the traction rope is at most 11 m and at least 4 m;
Number of Times for Changing Length of Traction Rope = [Width of Water Area/2 + Width of Water Area Covered by Algae Collectors at Two Sides] x 2 = [30/2+ 3] x 2=10;
Number of Rotation Turns for Rope Winding Shaft Every Time When Length of Traction Rope is Changed = Length of Rope Extended or Retracted Every Time + Length of Rope Extended or Retracted per Revolution of Rope Winding Shaft = Width of Water Area Covered by Algae
Collectors at Two Sides + Length of Rope Extended or Retracted per Revolution of Rope Winding Shaft; assuming that the length of rope extended or retracted per revolution of the rope winding shaft is 0.5 m, Number of Rotation Turns for Rope Winding Shaft Every Time When Length of Traction Rope is Changed= 3+0.5 = 6;
Time Interval Between Two Times for Changing Length of Traction Rope = Initial Length of Traction Ropex2[+ Speed of Advance of Device; in order to sufficiently collect algae on the surface of the water body, the time interval for adjusting the length of the rope should not be too short. The time interval should be 3 times of the time taken for an operation cycle of the device when the traction rope has the largest length, which is equal to [11 x 2E+ Speed of Advance of Device for Rapidly Removing Algae Blooms in Water Body] x 2; assuming that the speed of advance of the device for rapidly removing the algae blooms in the water body is 2 m/s, the time interval between the two times for changing the length of the traction rope is thus 70 s.
Therefore, when the open water area is 30 m long, the water area covered by the device for rapidly removing the algae blooms in the water body is 3 m wide, the initial length of the traction rope is 11 m, the length of the rope extended or retracted per revolution of the rope winding shaft is 0.5 m, and the speed of advance of the device for rapidly removing the algae blooms in the water body is 2 m/s, the number of times for changing the length of the traction rope 15 is 10, wherein the traction rope is shortened for the first to fifth times, and the traction rope is increased for the sixth to tenth times; the number of rotation turns for the rope winding shaft every time when the length of the traction rope is changed is 6, and the time interval between the two times for changing the length of the traction rope is 70 s. That is, the motor is started for 10 times in total, wherein the first 5 times are forward rotation, the last 5 times are reverse rotation, the motor is started in every s, and the output shaft rotates 6 revolutions every time to the motor is started.
Further preferably, in the step c, aeration is performed in the water by the aeration machine 11, so that the algal blooms in the water floats out of the water surface.
Of course, the present invention is not limited to the above-mentioned embodiments, and equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the appended claims.
Claims (9)
1. A device for rapidly removing algal blooms in a water body, characterized by comprising a ship body (1), wherein a driving system (2) is arranged at a tail part of the ship body (1), an algae suction system, a dehydration system and an algae storage system which are sequentially communicated are arranged on the ship body (1), two sides of the ship body (1) are respectively provided with an outwardly extending algae collector (3) which forms an algae collecting groove (4) along with the corresponding side of the ship body (1), the algae suction system comprises algae suction devices (5) which are respectively arranged at the two sides of the ship body (1) and are adjustable in angle, and the algae suction devices (5) are positioned at inner sides of corresponding algae collecting grooves;
further comprising a traction system which comprises a connecting rope (14), a traction rope (15), a rotating body (16) and a rotating shaft (17) fixedly inserted into the water bottom, wherein one end of the connecting rope (14) is fixedly connected to a head part of the ship body (1) and the other end thereof is fixedly connected to a tail part of the ship body (1), and one end of the traction rope (15) is connected to a middle part of the connecting rope (14) and the other end thereof is connected to the rotating body (16) which is rotationally connected onto the rotating shaft (17).
2. The device for rapidly removing algal blooms in a water body of claim 1, characterized in that the algae collectors (3) are of a plate-shaped structure, and a plurality of water permeable holes are distributed on the algae collectors (3).
3. The device for rapidly removing algal blooms in a water body of claim 2, characterized in that the algae suction devices (5) are provided with sewage filtering nets thereon.
4. The device for rapidly removing algal blooms in a water body of claim 3, characterized in that the algae suction system further comprises a pump (6) and algae suction pipes (7) corresponding to the algae suction devices (5), the dehydration system comprises a dehydrator (8), the algae storage system comprises an algae storage tank (9) arranged on the ship body (1), one end of each algae suction pipe (7) is in communication with the corresponding algae suction device and the other end thereof is in communication with an input end of the pump (6), an output end of the pump (6) is in communication with an input end of the dehydrator (8) through an algae pumping pipe (10), and an output end of the dehydrator (8) is positioned above the algae storage tank (9).
5. The device for rapidly removing algal blooms in a water body of claim 4, characterized in that the bottom surface of the algae storage tank (9) is an inclined surface, and the output end of the dehydrator (8) is positioned right above the higher side of the inclined surface.
6. The device for rapidly removing algal blooms in a water body of claim 5, characterized by comprising an aeration system which comprises an aeration machine (11) and an aeration pipe (12), wherein the bottom of the ship body (1) is provided with an aeration port (13), one end of the aeration pipe (12) is in communication with an output end of the aeration machine (11) and the other end thereof extends into water through the aeration port (13).
7. The device for rapidly removing algal blooms in a water body of any one of claims 1 to 6, characterized in that the rotating body (16) is provided with a rope winding shaft (18) and a motor (19) thereon, the traction rope (15) is wound on the rope winding shaft (18), and the motor (19) is fixedly arranged at the top of the rotating body (16) and is in transmission connection with the rope winding shaft (18).
8. A method for rapidly removing algal blooms in a water body, characterized in that by using the device for rapidly removing algal blooms in a water body of claim 7, comprising the following steps of:
a. measuring and calculating: selecting a size for algae collectors (3) according to the area and openness of a water area and the outbreak condition of algal blooms, and calculating an initial length of a traction rope, a number of times for changing the length of the traction rope, a number of rotation turns for a rope winding shaft every time when the length of the traction rope is changed, and a time interval between two times for changing the length of the traction rope;
b. preparing and starting up: setting a motor (19) according to the calculated parameters, assembling elements of the device for rapidly removing algal blooms in the water body and then starting the elements, so that the ship body (1) moves circumferentially on the water surface around a rotating shaft (17) under the action of driving force and traction force;
c. collecting algae: guiding the algae blooms on the water body to pass through the algae collectors (3), converge within algae collecting grooves (4) and enter into a dehydrator (8) after passing through algae suction devices (5), algae suction pipes (7) and an algae pumping pipe (10) under the action of a pump (6); d. processing algae: dehydrating algae slurry by a dehydrator (8) and discharging the processed algae residues into an algae storage tank (9).
9. The method for rapidly removing algal blooms in a water body of claim 8, characterized in that in the step c, aeration is performed in the water by an aeration machine (11), so that the algal blooms in the water floats out of the water surface.
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| AU2020100279A AU2020100279A4 (en) | 2020-02-25 | 2020-02-25 | Device and Method for Rapidly Removing Algal Blooms in Water Body |
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| AU2020100279A AU2020100279A4 (en) | 2020-02-25 | 2020-02-25 | Device and Method for Rapidly Removing Algal Blooms in Water Body |
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| CN114045806A (en) * | 2021-12-24 | 2022-02-15 | 普利资环境科技（苏州）有限公司 | Device that algal bloom was collected fast |
| CN114620846A (en) * | 2022-03-04 | 2022-06-14 | 浙江金佰利环境科技有限公司 | Submersible aeration machine for personal pond |
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