CN114287405B - Equipment for trapping fishes based on offshore wind power - Google Patents
Equipment for trapping fishes based on offshore wind power Download PDFInfo
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- CN114287405B CN114287405B CN202210035735.2A CN202210035735A CN114287405B CN 114287405 B CN114287405 B CN 114287405B CN 202210035735 A CN202210035735 A CN 202210035735A CN 114287405 B CN114287405 B CN 114287405B
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention discloses equipment for trapping fishes based on offshore wind power, which comprises: the trapping device comprises a trapping fish net cage, a trapping device, a compressed air tank, a compressor, a turbine, a generator and a heat exchanger; the fish trapping net cage is arranged in a scouring pit at the bottom of the pile foundation; the trapping device is arranged above the fish trapping net cage and is electrically connected with the generator; the electric energy generated by the offshore wind power supplies power to the compressor, and the compressor compresses air in the compressed air tank; the compressed air in the compressed air tank drives a turbine which drives a generator to generate electricity and supply power to the trapping device; the heat exchanger realizes the heat transmission between the compressed air tank and the water area around the fish trapping cage. The method comprises the following steps of (1) adopting a compressor, a turbine and a generator as energy conversion devices, adopting a compressed air tank as a wind power energy storage device and adopting a heat exchanger as an energy transfer device; the redundant electric energy generated by offshore wind power can be stored, and the trapping of different types of fishes is realized by utilizing the wind power.
Description
Technical Field
The invention relates to a device and a method for trapping fishes, in particular to equipment for trapping fishes based on offshore wind power.
Background
With the continuous development of land resources, the land resources become gradually short; in this case, it is important to increase the development and utilization of resources in the marine field. In recent years, with increasingly serious energy crisis and environmental problems, renewable energy sources such as offshore wind power and the like are receiving more and more attention. The coastline of China is as long as 1.8 kilometers, and has the natural advantages of developing offshore wind power. Compared with onshore wind power, offshore wind power has the characteristics of being close to an electrical load center, no land resource occupation of an offshore wind turbine, high efficiency of the offshore wind turbine and the like. The large-scale application of offshore wind power can effectively deal with energy crisis problems and environmental problems. However, the power generation of offshore wind power is affected by seasons and weather conditions, and has instability; moreover, the mechanical transmission of offshore wind power determines the upper limit of conversion, the mechanical rotation comes from wind energy, and the wind energy resource is not uniformly distributed in seasons; in addition, the fluctuation of offshore wind power generation is large, the power generation is not completely matched with stable power demand, and the fluctuation of the power grid frequency is easily caused to be large. Therefore, how to overcome the technical defects of the offshore wind power and make the offshore wind power fully utilized is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to overcome the instability of offshore wind power, and provides a technical scheme which can fully utilize offshore wind power with larger frequency fluctuation, namely equipment for trapping fishes based on offshore wind power.
In order to achieve the purpose, the invention adopts the following technical scheme:
an apparatus for trapping fish based on offshore wind power, comprising: the trapping device comprises a trapping fish net cage, a trapping device, a compressed air tank, a compressor, a turbine, a generator and a heat exchanger;
the fish trapping net cage is arranged in a scouring pit at the bottom of the pile foundation;
the trapping device is arranged above the fish trapping net cage and is electrically connected with the generator;
the compressor is connected with a compressed air tank, and the compressed air tank is connected with a fish trapping cage; the electric energy generated by the offshore wind power supplies power to the compressor, and the compressor compresses air in the compressed air tank;
the compressed air tank is connected with the turbine, the turbine is connected with the generator, and the generator is connected with the trapping device; the compressed air in the compressed air tank drives a turbine which drives a generator to generate electricity and supply power to the trapping device;
the heat exchanger is connected between the compressed air tank and the fish trapping cage; in the process of compressing air by the compressor, the heat exchanger conveys the heat of the compressed air in the compressed air tank to the fish trapping net cage; in the process of generating electricity by the generator, the heat exchanger conveys the heat of the water area around the fish trapping net cage to the compressed air tank.
Electric energy generated by offshore wind power is transmitted to the compressor, the compressor is electrically driven to compress air in the compressed air tank, the air in the compressed air tank is changed into high-pressure high-temperature air, in the process, the temperature of the compressed air tank can rise, and part of heat of the compressed air tank is transmitted to the fish luring net cage by virtue of the heat exchanger, so that the water temperature of a water area around the fish luring net cage can rise, and the temperature-loving fishes are lured to be close to the fish luring net cage to be caught. When electric energy is needed, high-temperature and high-pressure gas in the compressed air tank drives the turbine to work, the turbine drives the generator to generate electricity, in the process, the temperature of the compressed air tank is reduced, heat of a water area around the fish trapping net cage is conveyed to the compressed air tank by virtue of the heat exchanger, so that the water temperature of the water area around the fish trapping net cage is reduced, and the fishes loving cold are attracted to be close to the fish trapping net cage to be trapped. According to the invention, the trapping cage, the trapping device, the compressed air tank, the compressor, the turbine, the generator and the heat exchanger are arranged at the bottom of the wind power pile foundation, so that electric energy with large frequency fluctuation generated by offshore wind power equipment is directly used for supplying power to the trapping device and changing the water temperature around the trapping cage, thereby realizing the purpose of trapping fishes with different water temperatures.
Wherein the compressed air tank, the compressor, the turbine, the generator and the heat exchanger may be disposed above the fish trapping cage. The specific position setting does not influence the achievement of the object of the invention.
The fish trapping net cage can be an annular fish trapping net cage and is arranged around the pile foundation. In order to facilitate the installation and the disassembly, the fish trapping net cage adopts a modular design. The fish trapping cage comprises: the net cage fish inlet and the net cage fish outlet. The fish inlet of the net cage is an inlet for fish arranged on the annular fish trapping net cage, and the fish enters the annular fish trapping net cage through the fish inlet of the net cage. The fish outlet of the net cage is the outlet of fish arranged on the annular fish trapping net cage, and the fish leaves the annular fish trapping net cage through the fish outlet of the net cage and enters the fish conveying pipeline.
The trapping device is used for trapping fishes to be close to the trapping fish net cage; including but not limited to a fish attracting light or/and a fish attracting sonic wave. The fish luring lamp is a lamp for luring and collecting fish in water, and lures fishes to gather at the annular fish luring net cage to catch the fishes by adopting light with high brightness and dark blue wave bands. The fish luring acoustic wave device lures specific fishes by emitting specific acoustic waves, and the audio signal source emits audio signals such as water flow sound, coupling sound and the like, so that the aim of luring the fishes is fulfilled.
The compressor is a driven fluid machine which raises low-pressure low-temperature gas into high-pressure high-temperature gas through compression.
The compressed air tank is a high-pressure-resistant and corrosion-resistant steel tank body; the internal portion of jar is full of the air, and when inside gas was compressed, inside gas pressure rose, and the temperature rises, can get up the electric energy conversion of marine wind power to the air internal energy and store, when treating needs electric energy, the turbine rotation can be driven to the compressed air internal energy.
The turbine converts the internal energy of the air into kinetic energy to drive a generator connected with the turbine.
The generator is used for converting mechanical energy generated by the turbine into electric energy, the mechanical energy drives the generator to work, the generator works to generate electric energy, and the electric energy is transmitted to the trapping device through a power transmission line.
The heat exchanger is used for transferring heat from a hot fluid to a cold fluid. When the compressor works, a part of heat of the compressed air tank is conveyed to the annular fish trapping cage at the bottom of the pile foundation through the heat conveying pipeline by virtue of the heat exchanger, so that the water temperature of a water area around the annular fish trapping cage is increased, and temperature-loving fishes are attracted to be close to the annular fish trapping cage to perform trapping. Meanwhile, when electric energy is needed, high-temperature and high-pressure gas in the compressed air tank drives the turbine to work, and then the generator is driven to generate electricity, in the process, heat energy is converted into electric energy, heat in the water area around the annular fish trapping cage is conveyed to the compressed air tank through the heat conveying pipeline by virtue of the heat exchanger, so that the water temperature in the water area around the annular fish trapping cage is reduced, and fishes favored to be cold are attracted to be close to the annular fish trapping cage to be trapped and trapped.
The device can also comprise a rotating mechanism; the rotating mechanism is movably connected with the pile foundation and fixedly connected with the fish trapping net cage, wherein the movable connection means that the rotating mechanism can rotate around the pile foundation, and the rotating mechanism drives the fish trapping net cage to rotate around the pile foundation; or the rotating mechanism is fixedly connected with the pile foundation and movably connected with the fish trapping net cage, wherein the movable connection means that the fish trapping net cage rotates around the pile foundation through the rotating mechanism.
The rotating mechanism mainly comprises a sleeve and a limiting piece, wherein the sleeve is sleeved on the pile foundation, is fixedly connected with the pile foundation and is movably connected with the fish trapping net cage; so that the fish trapping net cage rotates along the casing pipe by taking the pile foundation as a shaft; the limiting parts are fixed on the sleeve and positioned at the top and the bottom of the sleeve so as to prevent the fish trapping cage from moving up and down. The locating part can mainly comprise top buckle and bottom buckle, and top buckle and bottom buckle are located the top and the bottom of sleeve pipe respectively. The sleeve comprises a plurality of first circular ring pieces, a plurality of second circular ring pieces with different sizes and more than two L-shaped connecting pieces; the first circular ring pieces are vertically arranged at intervals, and the inner sides of the first circular ring pieces are fixed on the vertical parts of the L-shaped connecting pieces; the second circular ring piece and the first circular ring piece are concentrically arranged, and the bottom surface of the second circular ring piece is fixed on the horizontal part of the L-shaped connecting piece.
The device can also comprise an automatic bait feeding box; the automatic bait feeding box is arranged above the fish trapping cage and is electrically connected with the generator; is used for attracting marine fishes by throwing bait. The automatic bait feeding box can adjust bait feeding time and frequency according to target fish species.
The device can also comprise hydrological monitoring equipment; the hydrological monitoring equipment is arranged above the fish trapping cage and is electrically connected with the generator; used for monitoring the temperature, water quality, flow rate, flow velocity and the like of the seabed. The target fish species can be predicted according to the result monitored by the hydrological monitoring equipment, so that the fishing work efficiency is greatly improved. The hydrological monitoring equipment can transmit monitoring data in real time in a wireless communication mode.
The equipment can also comprise an oxygen generator, wherein the oxygen generator is arranged above the fish trapping cage and is electrically connected with the generator; used for preparing oxygen; the working principle is that oxygen is prepared by utilizing the water electrolysis oxygen preparation technology. The oxygen generator lures fishes to gather by improving the oxygen content of seawater at the annular fish-luring net cage so as to catch the fishes.
The equipment can also comprise a water flow guide plate, the water flow guide plate is arranged around the fish inlet of the net cage, and the direction can be automatically adjusted according to the incoming flow direction, so that the fish inlet of the net cage of the fish luring net cage is always kept on the incoming flow side, the fish is easier to catch, and the fishing efficiency is further improved.
The device can also comprise a fish conveying pipeline, wherein the inlet of the fish conveying pipeline is connected with the fish outlet of the fish trapping net cage; the function is to transport the fish from the fish trapping cage to the sea. The fish conveying pipeline and the fish trapping net cage can be connected through a pipeline clamping device, and the fish trapping net cage and the fish conveying pipeline can be tightly connected together through the pipeline clamping device.
The equipment can also comprise an air inlet pipeline, wherein an air outlet of the air inlet pipeline is connected with an air inlet of the compressor; the air intake duct is used to transport air at sea level to the compressor so that the compressor can normally compress the air to store energy in the compressed air tank.
The device can also comprise power transmission lines which are respectively connected between the offshore wind power device and the compressor, between the generator and each trapping device and between the generator and the heat exchanger, and are used for realizing electric energy transmission between the offshore wind power device and the compressor, between the generator and each trapping device and between the generator and the heat exchanger.
The equipment can also comprise a heat transmission pipeline, and the heat transmission pipeline is connected between the compressed air tank and the heat exchanger, between the heat exchanger and the fish trapping cage and used for realizing heat energy transmission between the compressed air tank and the fish trapping cage.
The equipment can also comprise a gravel layer which is arranged between the fish trapping net cage/rotating mechanism and the bottom surface of the scouring pit and is used for bearing the fish trapping net cage and the rotating mechanism.
The device may further comprise a grouting layer. The grouting layer is positioned between the side surface of the fish trapping cage and the side surface of the scouring pit, and grouting equipment is used for injecting grout through the grouting pipe to form a grouting reinforcement area around the fish trapping cage for reinforcing the fish trapping cage.
The invention has the beneficial effects that:
the wind power energy storage device is arranged, and redundant electric energy generated by offshore wind power can be stored. The electric energy stored by the wind power energy storage device can supply the electricity demand of various machines, and the machines can be used for guaranteeing and maintaining the normal work of the fish trapping net cage, so that the fish trapping effect of the fish trapping net cage is improved.
A compressor, a turbine and a generator are used as energy conversion devices, a compressed air tank is used as a wind power energy storage device, and a heat exchanger is used as an energy transfer device. The electric energy generated by the offshore wind power is transmitted to the compressor to drive the compressor, and the compressor compresses the air in the compressed air tank; the compressor converts the electric energy into mechanical energy and further into air internal energy. The compressed air is stored in the compressed air tank, namely, the electric energy generated by the offshore wind power is stored in the compressed air tank in the form of air internal energy, so that the simple storage of the offshore wind power is realized, and the problem that the offshore wind power is difficult to utilize due to large unstable frequency fluctuation is solved. The heat exchanger can transfer the heat energy of the compressed air tank to the sea area around the fish trapping cage or transfer the heat energy of the sea area around the fish trapping cage to the compressed air tank, so that the temperature of the local sea area is raised, and the trapping of fishes which are favored to have specific temperature is realized. Compressed air in the compressed air tank drives the turbine and the turbine to drive the generator to generate electricity, internal energy of air is converted into mechanical energy and then converted into electric energy, power is supplied to the trapping device, and the trapping device utilizes wind power. Through the conversion and the storage of the wind power, the utilization of the wind power is realized, and the trapping of different types of fishes (like temperature and cold) is realized.
The fish trapping cage is arranged in the scouring pit at the bottom of the pile foundation, can slow down the incoming flow speed of ocean currents, plays a role in scouring protection, has higher environmental friendliness for seabed ecology, and can greatly reduce damage to seabed environment compared with the traditional offshore wind power scouring pit protection design.
The trapping device is arranged above the trapping net cage, and the various devices act synergistically to play a good fish trapping effect.
Drawings
FIG. 1 is a schematic side sectional view of a pile foundation erosion pit;
FIG. 2 is a schematic side cross-sectional view of an apparatus provided by an embodiment of the invention;
fig. 3 is a schematic side sectional view of an annular fish trapping cage according to an embodiment of the present invention;
fig. 4 is a schematic top view of an annular fish trapping cage according to an embodiment of the present invention;
fig. 5 is a schematic top view of an annular fish trapping cage module according to an embodiment of the present invention;
FIG. 6 is a schematic view of a heat exchanger.
The system comprises a compressor 1, a compressed air tank 2, a turbine 3, a generator 4, a fish luring lamp 5, a fish luring sound wave device 6, an automatic bait feeding box 7, hydrological monitoring equipment 8, an oxygen generator 9, a heat exchanger 10, an offshore wind power pile foundation 11, a water flow guide plate 12, an annular fish luring net cage 13-1, a net cage fish inlet 13-2, a net cage fish outlet 13-3, a pipeline fastening device 14, a fish conveying pipeline 15, an air inlet pipeline 16, a power transmission line 17, a heat conveying pipeline 18, a gravel layer 19, a grouting layer 20, a sleeve 20, a top fastening buckle 20-1 and a bottom fastening buckle 20-2.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The structures, proportions, and dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and therefore, the present disclosure is not limited to the essential meanings of the technology, and any modifications of the structures, changes of the proportions, or adjustments of the dimensions, should be within the scope of the disclosure without affecting the efficacy and attainment of the same. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 6, an apparatus for trapping fish based on offshore wind power, comprising: the fish trapping cage, the trapping device, the compressed air tank 2, the compressor 1, the turbine 3, the generator 4 and the heat exchanger 10; the fish trapping net cage is arranged in a scouring pit at the bottom of the pile foundation; the trapping device is arranged above the fish trapping net cage and is electrically connected with the generator 4; the compressor 1 is connected with a compressed air tank 2, and the compressed air tank 2 is connected with a fish trapping net cage; the compressed air tank 2 is connected with the turbine 3, the turbine 3 is connected with the generator 4, and the generator 4 is connected with the trapping device; the electric energy generated by offshore wind power supplies power to the compressor 1, and the compressor 1 compresses air in the compressed air tank 2; the compressed air in the compressed air tank 2 drives a turbine 3, and the turbine 3 drives a generator 4 to generate electricity and supply power to the trapping device; the heat exchanger 10 is connected between the compressed air tank 2 and the fish trapping cage; in the process of compressing air by the compressor 1, the heat exchanger 10 transmits the heat of the compressed air in the compressed air tank 2 to the fish trapping net cage; during the power generation process of the generator 4, the heat exchanger 10 transfers the heat of the water area around the fish catching cage to the compressed air tank 2.
Wherein, the fish luring net cage comprises a net cage fish inlet 13-1 and a net cage fish outlet 13-2. The compressed air tank 2, the compressor 1, the turbine 3, the generator 4 and the heat exchanger 10 may be disposed above the fish catching cage. The compressed air tank 2, the compressor 1, the turbine 3, the generator 4 and the heat exchanger 10 may all employ the existing compressed air tank 2, the compressor 1, the turbine 3, the generator 4 and the heat exchanger 10.
The electric energy generated by the offshore wind power is transmitted to the compressor 1 through a power transmission line 16; the connection compressed air tank 2 of the compressor 1 refers to an air inlet of the air outlet of the compressor 1, which is connected with the compressed air tank 2; the compressed air tank 2 is connected with the fish trapping cage, which means that energy transmission can be carried out between the compressed air tank 2 and the fish trapping cage, and specifically, the compressed air tank 2 and the fish trapping cage can be connected through a heat transmission pipeline 17. The heat exchanger 10 may be connected to the compressed air tank 2 and the fish trapping cage by a heat transfer pipe 17.
The compressed air tank 2 is connected with the turbine 3, that is, the outlet of the compressed air tank 2 is connected with the inlet of the turbine 3. The connection between the turbine 3 and the generator 4 may be via a pulley connection or a sprocket connection. The generator 4 is connected to the trapping device by means of an electrical connection, in particular, via a power line 16.
As a specific embodiment, the above apparatus may further comprise a rotating mechanism; the rotating mechanism is arranged around the pile foundation, is movably connected with the pile foundation and is fixedly connected with the fish trapping net cage, so that the rotating mechanism can rotate around the pile foundation and further drive the fish trapping net cage to rotate around the pile foundation. Or the rotating mechanism is fixedly connected with the pile foundation and movably connected with the fish trapping net cage, wherein the movable connection means that the fish trapping net cage rotates around the pile foundation through the rotating mechanism. Specifically, the rotating mechanism may be mainly composed of a sleeve 20, a top buckle 20-1 and a bottom buckle 20-2; the sleeve 20 is a cylindrical ring-shaped device, can be sleeved around the offshore wind power pile foundation 11, and can rotate freely; the top catch 20-1 and the bottom catch 20-2 are located at the top and bottom of the sleeve 20, respectively. More specifically, the sleeve 20 includes a plurality of first circular ring members, a plurality of second circular ring members of different sizes, and two or more L-shaped connecting members; the first circular ring pieces are horizontally arranged and vertically arranged at intervals, and the inner sides of the first circular ring pieces are fixed on the vertical parts of the L-shaped connecting pieces; the second ring piece is horizontally arranged and concentrically arranged with the first ring piece, and the bottom surface of the second ring piece is fixed on the horizontal part of the L-shaped connecting piece.
As a specific embodiment, the fish trapping cage may be an annular fish trapping cage 13, which is disposed around the pile foundation. Wherein, the annular fish trapping cage 13 can adopt a modular design. For example, the surface of the net is composed of netting, the whole appearance is a cylindrical net cage with a cylindrical hollow part in the middle, and the cylindrical net cage is formed by splicing four net cages respectively.
As a specific implementation scheme, the fish trapping cage can be further provided with a water flow guide plate 12, the water flow guide plate 12 is arranged around the fish inlet 13-1 of the cage, and the direction can be automatically adjusted according to the incoming flow direction, so that the fish inlet 13-1 of the cage is always kept at the incoming flow side.
As a specific embodiment, the trapping device comprises a fish attracting light 5 or/and a fish attracting acoustic wave 6. The fish luring lamp 5 or/and the fish luring sound wave device 6 are/is arranged above the fish luring net cage, are positioned at the same horizontal position and are electrically connected with the generator 4, and the generator 4 supplies power to the fish luring lamp 5 or/and the fish luring sound wave device 6.
As a specific embodiment, the above equipment may further comprise one or more than two of an automatic feeding bait box 7, a hydrological monitoring device 8 and an oxygen generator 9. Wherein, the automatic bait feeding box 7, the hydrological monitoring equipment 8 or/and the oxygenerator 9 are all arranged above the fish trapping cage, are positioned at the same horizontal position with the trapping device and are all electrically connected with the generator 4; the generator 4 supplies power to the automatic bait feeding box 7, the hydrological monitoring device 8 or/and the oxygen generator 9.
As a specific embodiment, the device can also comprise a fish conveying pipeline 14 or/and an air inlet pipeline 15, wherein the inlet of the fish conveying pipeline 14 is connected with the fish outlet 13-2 of the fish luring net cage. Specifically, the fish conveying pipeline 14 and the fish luring and catching net box can be connected through a pipeline buckling device 13-3. The outlet of the inlet duct 15 is connected to the inlet of the compressor 1.
In one embodiment, the apparatus may further include a crushed stone layer 18 and/or a slurry layer 19. The gravel layer 18 is arranged between the fish trapping cage/rotating mechanism and the bottom surface of the scouring pit, mainly consists of graded gravel (mixture consisting of aggregates with different sizes) and is used for bearing the fish trapping cage and the rotating mechanism. The grouting layer 19 is positioned between the side surface of the fish trapping cage and the side surface of the scouring pit, and grouting equipment is used for injecting grout through a grouting pipe to form a grouting reinforcement area around the fish trapping cage for reinforcing the fish trapping cage.
The implementation method of the equipment comprises the following steps:
after the bottom of the pile foundation of the seawater wind power is flushed by the ocean current, a huge flushing pit is formed. Graded broken stones are laid at the bottom of the scouring pit to form a broken stone layer 18, so that the bottom of the scouring pit is fixed, the bearing capacity is increased, and the scouring pit is leveled. Installing a rotating mechanism: the sleeve 20 of the rotating mechanism is sleeved on the pile foundation, one end of the top buckle 20-1 is movably connected with the top of the sleeve 20, the other end of the top buckle is fixed on the pile foundation, one end of the bottom buckle 20-2 is movably connected with the bottom of the sleeve 20, and the other end of the bottom buckle is fixed on the pile foundation. The fish trapping net cage is arranged above the gravel layer 18, the fish trapping net cage is not directly contacted with the gravel layer 18, and the fish trapping net cage is fixed on a sleeve 20 of the rotating mechanism. A water flow guide plate 12 is arranged at a net cage fish inlet 13-1 of the fish trapping net cage. Then, grouting is carried out around the fish trapping cage to form a grouting reinforcement area.
Trap devices such as a fish luring lamp 5, a fish luring sound wave device 6, an automatic bait feeding box 7, hydrology monitoring equipment 8 and an oxygen generator 9 are installed above the fish luring net cage, the fish luring lamp 5 is gradually close to the pile foundation to the oxygen generator 9, the fish luring lamp 5 is farthest away from the pile foundation, and the oxygen generator 9 is closest to the pile foundation. The fish luring lamp 5, the fish luring acoustic wave device 6, the automatic bait feeding box 7, the hydrological monitoring equipment 8 and the oxygen generator 9 are all connected with the generator 4 through a power transmission line 16.
Above the trapping device is mounted a turbine 3 and a generator 4, both in the same horizontal position. A compressed air tank 2 is installed above the turbine 3 and the generator 4. A heat exchanger 10 is installed between the compressed air tank 2 and the fish trapping cage in a vertical direction. A compressor 1 is installed above the compressed air tank 2. The compressor 1 is connected with offshore wind power equipment through a power transmission line 16, an air inlet of the compressor 1 is connected with an air inlet pipeline 15, and an air outlet of the compressor 1 is connected with an air inlet of the compressed air tank 2. The outlet of the compressed air tank 2 is connected with the inlet of the turbine 3, and the turbine 3 and the generator 4 are connected through a belt pulley or a chain wheel. The compressed air tank 2 is connected with the heat exchanger 10 through a heat transmission pipeline 17, and the heat exchanger 10 is connected with the fish trapping cage through the heat transmission pipeline 17.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (8)
1. An apparatus for trapping fish based on offshore wind power, comprising: the trapping device comprises a trapping fish net cage, a trapping device, a compressed air tank, a compressor, a turbine, a generator and a heat exchanger;
the fish trapping net cage is arranged in a scouring pit at the bottom of the pile foundation;
the trapping device is arranged above the fish trapping net cage and is electrically connected with the generator;
the compressor is connected with a compressed air tank, and the compressed air tank is connected with a fish trapping net cage; the electric energy generated by the offshore wind power supplies power to the compressor, and the compressor compresses air in the compressed air tank;
the compressed air tank is connected with the turbine, the turbine is connected with the generator, and the generator is connected with the trapping device; the compressed air in the compressed air tank drives a turbine which drives a generator to generate electricity and supply power to the trapping device;
the heat exchanger is connected between the compressed air tank and the fish trapping cage; in the process of compressing air by the compressor, the heat exchanger conveys the heat of the compressed air in the compressed air tank to the fish trapping net cage; in the process of generating electricity by the generator, the heat exchanger conveys the heat of the water area around the fish trapping net cage to the compressed air tank;
the apparatus further comprises a rotation mechanism; the rotating mechanism is movably connected with the pile foundation and fixedly connected with the fish trapping net cage, wherein the movable connection means that the rotating mechanism can rotate around the pile foundation, and the rotating mechanism drives the fish trapping net cage to rotate around the pile foundation; or the rotating mechanism is fixedly connected with the pile foundation and movably connected with the fish trapping net cage, wherein the movable connection means that the fish trapping net cage rotates around the pile foundation through the rotating mechanism;
the rotating mechanism mainly comprises a sleeve and a limiting piece; the sleeve is sleeved on the pile foundation, is fixedly connected with the pile foundation and is movably connected with the fish trapping net cage; so that the fish trapping net cage rotates along the casing pipe by taking the pile foundation as a shaft; the limiting parts are fixed on the sleeve and positioned at the top and the bottom of the sleeve so as to prevent the fish trapping cage from moving up and down.
2. The apparatus of claim 1, wherein the fish trapping cage is an annular fish trapping cage disposed around the pile foundation; the annular fish trapping cage adopts a modular design.
3. The apparatus according to claim 1, wherein the trapping device comprises a fish attracting light or/and a fish attracting acoustic wave.
4. The apparatus of claim 1, wherein the sleeve comprises a plurality of first circular ring members, a plurality of second circular ring members of unequal size, and two or more L-shaped connecting members; the first circular ring pieces are vertically arranged at intervals, and the inner sides of the first circular ring pieces are fixed on the vertical part of the L-shaped connecting piece; the second circular ring piece and the first circular ring piece are concentrically arranged, and the bottom surface of the second circular ring piece is fixed on the horizontal part of the L-shaped connecting piece.
5. The apparatus of claim 1, further comprising a water flow guide plate; the fish luring net cage comprises a net cage fish inlet and a net cage fish outlet; the water flow guide plate is arranged around the fish inlet of the net cage.
6. The apparatus of claim 1, further comprising an automatic bait feeding tank, hydrological monitoring apparatus or/and an oxygen generator; the automatic bait feeding box, the hydrological monitoring equipment or/and the oxygen generator are/is arranged above the fish trapping net cage and electrically connected with the generator.
7. The apparatus of claim 1, further comprising a fish transporting duct or/and an air intake duct; the inlet of the fish conveying pipeline is connected with the fish outlet of the net cage for trapping fish; and the air outlet of the air inlet pipeline is connected with the air inlet of the compressor.
8. The apparatus according to claim 1, characterized in that it further comprises a crushed stone layer or/and a grouting layer; the gravel layer is arranged between the fish trapping net cage/rotating mechanism and the bottom surface of the scouring pit; the grouting layer is positioned between the side surface of the fish trapping cage and the side surface of the scouring pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210035735.2A CN114287405B (en) | 2022-01-13 | 2022-01-13 | Equipment for trapping fishes based on offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210035735.2A CN114287405B (en) | 2022-01-13 | 2022-01-13 | Equipment for trapping fishes based on offshore wind power |
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| Publication Number | Publication Date |
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| CN114287405A CN114287405A (en) | 2022-04-08 |
| CN114287405B true CN114287405B (en) | 2022-09-09 |
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| CN202210035735.2A Active CN114287405B (en) | 2022-01-13 | 2022-01-13 | Equipment for trapping fishes based on offshore wind power |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259809A (en) * | 1992-02-28 | 1993-11-09 | Rainey Jr Don E | Apparatus for harvesting shrimp |
| US5357708A (en) * | 1993-08-09 | 1994-10-25 | Peters Richard F | Aquatic trap |
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| SE0502246L (en) * | 2005-10-13 | 2006-07-25 | Lars Goeran Carlsson Med Lg S | Fångsbur |
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| CN204518918U (en) * | 2015-04-20 | 2015-08-05 | 新疆大学 | A kind of fishpot |
| CN206760502U (en) * | 2017-05-31 | 2017-12-19 | 内蒙古达尔科技有限公司 | A kind of screw rotary fishing device |
| CN110122435B (en) * | 2019-05-30 | 2024-02-13 | 唐山多玛乐园旅游文化有限公司 | Fish catching tool and fishing device using same |
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2022
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