CN114247066B - Forest fire prevention system based on water conservancy and photovoltaic power generation - Google Patents

Abstract

The invention discloses a forest fire prevention system based on hydraulic power and photovoltaic power generation, which comprises a lower warehouse, a reversible water turbine generator set and an upper warehouse, wherein a solar power generation device is installed on the periphery of the lower warehouse, the upper warehouse is built on the upland and forms a height difference with the lower warehouse, the reversible water turbine generator set is respectively connected with the lower warehouse and the upper warehouse through water pipelines, a warehouse pump station is arranged on the upper warehouse, a plurality of water conveying steel pipes are arranged along the contour line of a forest in a flow area and connected with the water conveying steel pipes through the warehouse pump station, and wireless control switch faucets are arranged on the water conveying steel pipes at key nodes of watershed. The solar energy water-saving forest irrigation system can solve the problem of daily power consumption in remote areas in all weather, is particularly suitable for solving the problem of forest fire prevention in areas with steep terrain and difficult foraging, effectively utilizes water resources in reservoirs or lakes to generate electricity, and simultaneously achieves the effects of fire prevention and forest irrigation.

Description

Forest fire prevention system based on water conservancy and photovoltaic power generation

Technical Field

The invention belongs to the field of agriculture and fishery breeding, and particularly relates to a forest fire prevention system based on waterpower and photovoltaic power generation.

Background

Forest fires are the most dangerous enemies of forests and the most terrible disasters of forestry, which can cause the most harmful and devastating consequences to forests. Forest fires not only burn pieces of forest to damage animals in the forest, but also reduce the reproductive capacity of the forest, cause soil impoverishment and destroy forest conservation water sources, and even cause the ecological environment to lose balance.

Dense forests are generally arranged around reservoirs or lake basins, forests in areas with steep topography and difficult foraging are particularly difficult to prevent fire, when weather is dry, fire disasters are easy to happen, and water in the reservoirs or lakes cannot be effectively utilized.

Disclosure of Invention

The invention aims to provide a forest fire prevention system based on hydraulic power and photovoltaic power generation, which can solve the problem of daily power consumption in remote areas all weather, is particularly suitable for solving the problem of forest fire prevention in areas with steep terrain and difficult people to find, effectively utilizes water resources in reservoirs or lakes to generate electricity, and has the effects of fire prevention and forest irrigation.

In order to realize the purpose, the invention adopts the technical scheme that: a forest fire prevention system based on hydraulic power and photovoltaic power generation comprises a lower warehouse, a reversible water turbine generator set and an upper warehouse, wherein a solar power generation device is installed on the periphery of the lower warehouse, the upper warehouse is built on the highland and forms a height difference with the lower warehouse, the reversible water turbine generator set is respectively connected with the lower warehouse and the upper warehouse through water pipelines, a warehouse pump station is arranged on the upper warehouse, a plurality of water conveying steel pipes are arranged along the contour line of a forest in a river basin and connected with the water conveying steel pipes through the warehouse pump station, and wireless control switch faucets are arranged on the water conveying steel pipes at key nodes of watershed.

Furthermore, the water delivery steel pipes are arranged in a grid shape along the flow field forest, each grid junction point is provided with a wireless control switch faucet, a plurality of temperature sensors are arranged between two adjacent wireless control switch faucets, and the temperature sensors are connected with the wireless control switch faucets adjacent to the temperature sensors through temperature relays.

Furthermore, the wireless control switch faucet is provided with at least four water outlets along the staggered direction of the grids, each water outlet is provided with an independent electromagnetic valve, and the electromagnetic valves are connected with the temperature sensors corresponding to the installation directions of the electromagnetic valves.

Furthermore, the distance between two adjacent wireless control switch faucets is less than the water spraying distance of the wireless control switch faucets.

Furthermore, the water outlet is arranged in a branching way, and two adjacent wireless control switch faucets jet and stagger the temperature sensors adjacent to the wireless control switch faucets, and form a water curtain isolation belt.

Furthermore, the temperature sensor is arranged to protrude out of the ground and is installed in a sealing mode through heat conduction materials.

Compared with the prior art, the invention has the following beneficial effects: 1. the whole watershed forest is protected against fire by relying on water resources in the reservoirs and the lakes. 2. The fire prevention area is arranged in a grid mode, and the wireless control switch faucet is automatically controlled through the temperature sensor according to the fire spreading direction to prevent and extinguish fire. 3. The water outlet is arranged in a branching way, so that a water curtain fireproof isolation belt with higher width is formed, and the fire spread is effectively prevented.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of fire spread in a fire zone of the grid of the present invention;

FIG. 3 is a schematic view of the grid of the present invention after the fire spreading direction is changed;

FIG. 4 is a schematic diagram of the fire protection of the fire-protected area of the grid of the present invention after the temperature sensor is connected to other wireless control switch taps;

FIG. 5 is a schematic diagram of the cooperation of a fish-vegetable symbiotic water surface farmland system;

FIG. 6 is a front view of a fish-vegetable symbiotic water surface farmland system structure;

FIG. 7 isbase:Sub>A sectional view taken along line A-A of FIG. 5;

FIG. 8 is a schematic structural diagram of a fish catching system of a fish-vegetable symbiotic water surface farmland system;

FIG. 9 is a schematic structural view of a V-shaped gate of a fish and vegetable symbiotic water surface farmland system;

FIG. 10 is a schematic view of an oxygen supply system of a fish and vegetable symbiotic water surface farmland system;

FIG. 11 is a structural plan view of a fish repelling system of a fish and vegetable symbiotic water surface farmland system;

FIG. 12 is a structural diagram of a sediment collecting and irrigating system for fish dung and the like in a fish-vegetable symbiotic water surface farmland system;

FIG. 13 is a structure diagram of a fish food delivery system of a fish-vegetable symbiotic water surface farmland system;

FIG. 14 is an enlarged view of portion A of FIG. 7;

FIG. 15 is an enlarged view of portion B of FIG. 8;

FIG. 16 is an enlarged view of portion C of FIG. 5;

in the figure: 1. <xnotran> , 2. , 3. , 4. , 5., 8. , 9. , 10. , 11. , 12.V , 121., 122. , 123., 124., 13. , 131., 132., 133. , 14. , 141. , 142. , 143. , 15. , 151. , 152. , 153., 154. , 155., 156. , 16. , 161. , 162. , 163. , 164. , 17. , 171., 172., 173., 18. , 181. , 182., 183., 184., 185. , 186., 187. , 188., 19.V , 191. , 192. , 193. . </xnotran>

Detailed description of the preferred embodiments

Referring to fig. 1-4, the forest fire prevention system based on hydraulic power and photovoltaic power generation comprises a lower reservoir, a reversible water-turbine generator set and an upper reservoir, wherein a solar power generation device is installed on the periphery of the lower reservoir, the upper reservoir is built on the upland and forms a height difference with the lower reservoir, the reversible water-turbine generator set is respectively connected with the lower reservoir and the upper reservoir through water pipelines, a reservoir pump station is arranged on the upper reservoir, a plurality of water conveying steel pipes are arranged along the contour line of a forest of a river basin and connected with the water conveying steel pipes through the reservoir pump station, and wireless control switch faucets are arranged on the water conveying steel pipes at key nodes of watershed. The invention is suitable for places such as reservoirs, lakes, ponds and the like, and fire prevention is carried out on the whole watershed forest by depending on water resources of the places such as the reservoirs, the lakes, the ponds and the like. The upper reservoir 2 is generally built in a reservoir, and can even be a rubber capsule water bag, while the lower reservoir 1 is a reservoir, a lake or the like. When a forest fire breaks out, the wireless control switch faucet 10 in the fire passing area is remotely started to extinguish fire and prevent fire; when the forest area has no rainfall and is dry in air for a long time, the upper reservoir pump station 9 is started to spray to the whole flow field or wet the forest land along the contour line, and the problem of forest fire prevention is thoroughly solved. And the local forest with steep terrain, difficult to find and large fall is difficult to prevent and extinguish fire, but the benefit of building a small pumped storage power station is better, namely, the invention has better fire prevention and extinguishment benefit under similar application conditions. Besides, the forest can absorb part of water resources, and other water resources can be circulated back to the reservoir, so that the water resources are hardly wasted. In practical application, the photovoltaic power generation is based on the principle that self-power utilization is preferred, power is supplied to accessory equipment, an upper storehouse pump station 9, a wireless control switch faucet 10 and the like on a water surface farmland and a V-shaped fish tank, residual electricity is pumped to a highland through a water pumping and energy storage power station, and finally, the residual electricity is on line; the pumped storage power station generates electricity at night or in rainy days, because the price of the photovoltaic electricity on the internet is only 0.4113 yuan/kwh, the agricultural electricity consumption is 0.6534 yuan/kwh, the pumped storage power station generally generates three-degree electricity by using four-degree electricity, namely 0.5484 yuan/kwh by using pumped storage electricity at night, the method for converting the photovoltaic electricity into the water electricity to enable the project to be self-used is a method with better economic benefit, and the project can also have self-supply electricity all day long. The temperature sensor 11 may be an emp thermal PT100 temperature sensing probe, and the temperature relay may be a Ziehl temperature relay.

The water delivery steel pipes 8 are arranged in a grid shape along a flow field forest, each grid intersection point is provided with a wireless control switch faucet 10, a plurality of temperature sensors 11 are arranged between two adjacent wireless control switch faucets 10, and the temperature sensors 11 are connected with the wireless control switch faucets 10 adjacent to the temperature sensors through temperature relays. Therefore, the fire-extinguishing area is rasterized, when the fire direction is towards the temperature sensor 11 on the boundary of the grid area, the two wireless control switch faucets 10 connected with the temperature sensor 11 are opened to spray water, and the fire-extinguishing and fire-preventing effects are achieved. Of course, the temperature sensor 11 at the grid boundary can be connected with two adjacent wireless control switch taps 10 and then connected with other wireless control switch taps 10 on the grid boundary which is parallel to the temperature sensor and increases outwards, so that multi-layer fire protection line control according to the fire spreading direction can be realized. Of course, the connection mode needs to be determined according to the terrain, the forest density and the vegetation type.

The wireless control switch faucet 10 is provided with at least four water outlets along the grid staggered direction, each water outlet is provided with an independent electromagnetic valve, and the electromagnetic valves are connected with the temperature sensors 11 corresponding to the installation directions of the electromagnetic valves. The fire zones are rasterized, and the grid side lines of each rasterized protection zone can be sprayed with water curtains through the water outlets to form independent fire belts, so that the fire spreading is effectively prevented, and the method is more suitable for dense forests with trees.

Wherein, the distance between two adjacent wireless control switch taps 10 is less than the water spraying distance of the wireless control switch taps 10. Prevent that the fire prevention area that the water curtain formed from appearing the blank region, influence fire prevention effect.

Wherein, the water outlet is arranged in a branching way, two adjacent wireless control switch taps 10 jet and stagger the temperature sensors 11 adjacent to the two wireless control switch taps, and a water curtain isolation belt is formed. The water curtain alternately sprays, can effectively increase the width of water curtain fire prevention area, effectively prevents the intensity of a fire to stretch to can also stagger with temperature sensor 11, prevent that the water spray from influencing temperature sensor 11's temperature sensing effect, thereby make temperature relay close the solenoid valve, realize intelligent control's effect. Of course, the solenoid valve may not be closed after being opened, and must be manually closed.

The temperature sensor 11 is arranged to protrude from the ground and is hermetically mounted through a heat conducting material. The temperature sensor protrudes out of the ground, so that the temperature delayed by a fire spread can be better detected, and the problem that the fire-proof area is rasterized at the fire spread part and the electromagnetic valve is not opened is solved. And the temperature sensor 11 can be protected by the heat conduction material which is sealed and installed, and the temperature sensing effect of the temperature sensor 11 is not influenced.

The invention can also be combined with a fish-vegetable symbiotic water surface farmland system, thereby realizing fish-vegetable symbiosis, and the specific method is that a plurality of floating body farmlands 16 are arranged on the lower reservoir 1 in parallel and are fixed by a water surface farmland fixing system 17, a water surface V-shaped fish tank 12 is arranged between two floating body farmlands 16, the top of the water surface V-shaped fish tank 12 is a water surface and is provided with a channel 124, a fish food throwing system 14, a fish dung and other substrate sludge collecting and irrigating system 15 are arranged on the channel 124, a vegetable greenhouse 164 is arranged on the floating body farmlands 16, and the solar power generation device 3 is arranged on the vegetable greenhouse 164. The fish-vegetable symbiotic water surface farmland system is suitable for places such as reservoirs, lakes, ponds and the like, a large amount of agricultural land can be increased, sediment is easily collected through the V-shaped fish tank 12, vegetables and pasture are irrigated, the environment is protected, zero emission is achieved, the irrigated water returns to the clean water reservoir after being absorbed by plants and filtered by soil, the reservoir automatically supplies clean water to the V-shaped fish tank 12, water body circulation is formed, and the water utilization efficiency is 100%. In the daytime, the solar power generation device 3 supplies power to the reversible water-turbine generator set 4, the oxygen supply system 13, the fish driving system 18 and other devices, and conveys the water in the lower reservoir 1 to the upper reservoir 2 through the water pipeline 5, and at night, the upper reservoir 2 can be stored with water and opened, and the water flows down to the reversible water-turbine generator set 4 through the water pipeline 5, and the reversible water-turbine generator set 4 generates power to supply power to the devices. Therefore, multiple functions of photovoltaic power generation, fish culture, vegetable planting and the like are integrated, the limitation of the terrain is small, large-area popularization can be realized, and great economic benefits can be created in the aspects of agriculture and tourism.

The floating body farmland 16 comprises floating carriers 161, geotextiles 162 and fixed frames 163, the floating carriers 161 are immersed in the water, the floating carriers 161 are assembled by adopting a plurality of polystyrene foam materials and are connected and formed through the geotextiles 162, the top of the floating carriers 161 is a planting area, the fixed frames 163 are arranged around the floating carriers 161, retaining plates are arranged on the fixed frames 163 in an upward extending mode, and planting soil covers the planting area. Polystyrene foam is used as the floating carrier 161, the polystyrene foam has a large number of micropores and has a certain water locking function, but water cannot be discharged into the reservoir completely, and after vegetables and pasture are irrigated by the bottom mud, the irrigated water returns to the reservoir through the absorption of plants and the filtration of soil, so that water circulation is formed.

Wherein, V type fish tank 12 includes prevention of seepage membrane 121, design yuans of steel 122 and fastener 123, prevents that seepage membrane 121 sews up into whole V type fish tank 12, and the edge thickens, both ends are sealed, and V type fish tank 12 upper edge both sides are every half meter establish a buckle as fastener 123, and design yuans of steel 122 is located V type fish tank 12 bottoms. The water for fish culture and the water in the reservoir are separated, the water in the reservoir is prevented from being polluted, and the water falls down through the gravity of the shaping steel 122, so that the fish tank is ensured to be in a V-shaped state, and the fish manure is easy to concentrate and deposit. In the practical application in-process, can set up two apertures at 12 upper portion both ends in V type fish groove, under general conditions, because the bed mud extraction, 12 water levels in V type fish groove can be less than reservoir water level slightly, through the aperture to realize automatic water supply's function.

Wherein, still including oxygen system 13, oxygen system 13 includes main air supply pipe 131, outlet duct 132 and air compressor 133, and air compressor 133 arranges at 12 both ends in V type fish groove, and main air supply pipe 131 encircles V type fish groove 12 all around to be connected with air compressor 133, and outlet duct 132 evenly arranges the well lower part in V type fish groove 12 to connect main air supply pipe 131, still arranged the atmosphere bottle at 12 both ends in V type fish groove. Prevent that aquatic dissolved oxygen volume is not enough to make the fish concentrate on the well upper portion in fish groove simultaneously, guarantee deposition such as fish feces of fish groove bottom.

Wherein, fish eat the feeding system 14 and include that small-size pump spouts ship 141, fish eat feeder 142 and first magnet 143, and fish eat feeder 142 and install on small-size pump spouts ship 141, and first magnet 143 adsorbs on the design steel element 122 of V type fish pond 12 lower part to connect in small-size pump spouts the ship 141 bottom through rope 173. So that the boat can only go forward or backward linearly at uniform speed and automatically throw fish feed during running

Wherein, sediment collection such as fish dung and irrigation system 15 spouts ship 151 including the pump, soil pick-up pump 152, arrange material pump 153, irrigation pipe 154 and pumping pipe 155, the pump is spouted and is provided with sewage collection box 156 on the ship 151, sewage collection box 156 bottom adopts the toper design, soil pick-up pump 152 and row material pump 153 are all installed on the ship 151 is spouted to the pump, sewage collection box 156 top is provided with the feed inlet, and communicate to V type fish tank 12 bottom through pumping pipe 155, pumping pipe 155 is connected to soil pick-up pump 152, sewage collection box 156 bottom is provided with the bin outlet, and connect irrigation pipe 154, irrigation pipe 154 export branching sets up towards the body farmland 16 of V type fish tank 12 both sides. Sewage and the flocculus of V type fish groove 12 bottom are drawn to soil pick-up pump 152, and pump spray ship 151 removes to the other end from V type fish groove 12 one end, and the period soil pick-up arrives and then navigates back behind the other end, and the navigation in-process is through sewage collection box 156 with sewage to the spray irrigation of surface of water farmland, also can filter the sediment that the back formed with the flocculus and collect the base fertilizer that can regard as the plant.

Wherein, surface of water farmland fixing system 17 includes pier 171 and earth anchor 172, and the body farmland 16 both ends adopt the steelframe fixed to set up the body on the steelframe and form pier 171, pier 171 passes through earth anchor 172 fixedly. The ground anchor 172 is not less than the rope 173, so that the rope 173 is prevented from being broken to cause damage, and safety redundancy is realized; at least one through long steel bar is arranged in the middle and on two sides of the floating body farmland 16 to connect all the floating bodies below the geotextile 162 into a whole, so that the steel bars are prevented from being broken to cause damage, and safety redundancy is realized.

The fish catching system 18 comprises a fish catching net 181, a steel wire rope 182, a driven wheel 183, a driving wheel 184 and a driving motor 185, guide rails 186 are arranged on floating body farmlands 16 on two sides of a V-shaped fish groove 12, the fish catching net 181 is matched with the V-shaped fish groove 12 to be formed, the edges of the fish catching net are fixed through a support, two ends of the top of the fish catching net 181 are erected on the guide rails 186 through rollers 188, the driven wheel 183 and the driving wheel 184 are respectively arranged at two ends of the V-shaped fish groove 12, the steel wire rope 182 is sleeved on the driven wheel 183 and the driving wheel 184, the driving wheel 184 is in transmission connection with the driving motor 185, the steel wire rope 182 is connected to the top of the fish catching net 181, a second magnet 187 is arranged at the bottom of the fish catching net 181, and the second magnet 187 and the shaping steel 122. In practical application, the second magnet 187 should keep a certain distance from the shaped steel 122 to prevent the two from being tightly attracted together, which makes the driving motor 185 difficult to rotate and draw; however, the distance between the two should not be larger than cm, so as to prevent the magnetic force between the fish catching net 181 and the bottom of the V-shaped fish groove 12 from weakening due to the too large distance, which leads to the too large inclination of the fish catching net 181 and the loss of the fish catching function. When the fishing net is used, the motor drives the labor-replacing driving wheel 184 to rotate, so that the steel wire rope 182 pulls the fishing net 181 to move along the guide rail 186, and after the maximum stroke is reached, the motor rotates reversely, so that the fishing net 181 returns. Certainly, since there are many V-shaped fish grooves 12 in the practical application process, a single driving motor 185 can drive a plurality of driving wheels 184 to rotate by coaxially driving the driving wheels 184 on each fish groove, so as to achieve the effect of uniformly driving fish.

Wherein, one end of the two sealed ends of the V-shaped fish tank 12 is directly sealed by adopting a binder to be matched with the V-shaped impermeable membrane 121, the other end is sealed by matching the V-shaped gate 19 with the binder, and the two ends of the top of the V-shaped gate 19 are fixed on the floating farmland 16. The V-shaped gate 19 can facilitate the fish-driving system 18 to directly drive the fish out of the V-shaped fish tank 12, thereby facilitating the wild household fish. The V-shaped gate 19 can be similar to a small-sized water gate, the material is guaranteed to be light, the gate frame 191 can be designed into a V shape according to the V-shaped fish tank 12, the lifting gate plate 192 does not have requirements on the shape, the size of the gate and the lifting height only need to be passed by fish, the torque requirement on the gate is not high, and the lifting can be driven by the small-sized motor 193. Certainly, a sealing rubber pad can be arranged at the joint of the lifting flashboard 192 and the border of the gate, so that better sealing performance is ensured.

Wherein, the V-shaped fish tank 12 and the floating body farmland 16 are designed by adopting a unified building module and are installed according to the design size of the common materials in the current market, thereby saving the building materials to the maximum extent, reducing the operation cost and beautifying the space environment. The V-shaped fish tank 12 is shaped into a fish culture area with a width multiplied by depth =4000 mm multiplied by 3000 mm, an oxygen supply system 13 is arranged above 2500 mm, and the lower triangular area is a fish manure collecting area; the width of the floating body farmland 16 is 6000 mm, the thickness of the floating body in the vegetable greenhouse 164 planting area is 400 mm, the corresponding soil covering layer is not more than 222 mm, the thickness of the floating body in the open planting area is 200 mm, and the corresponding soil covering layer is not more than 111 mm; the length of the water surface farmland generally adopts 50m, 100m, 150m, 200m, 250m, 300m, 350m, 400m, 450m and 500m; each group of water surface farmlands consists of a vegetable greenhouse 164 floating body farmland 16+ V-shaped fish tank 12+ floating body farmland 16 planted in the open air, and the distance between the two groups of water surface farmlands is 4000 mm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. The utility model provides a forest fire prevention system based on water conservancy and photovoltaic power generation which characterized by: the solar energy water-saving system comprises a lower warehouse, a reversible water-turbine generator set and an upper warehouse, wherein a solar energy power generation device is installed on the periphery of the lower warehouse, the upper warehouse is built on the upland and forms a height difference with the lower warehouse, the reversible water-turbine generator set is respectively connected with the lower warehouse and the upper warehouse through water pipelines, the upper warehouse is provided with a warehouse pump station, a plurality of water conveying steel pipes are arranged along the contour line of a forest in a flow area and are connected with the water conveying steel pipes through the upper warehouse pump station, and wireless control switch faucets are arranged at key nodes of watershed on the water conveying steel pipes;

the water delivery steel pipes are arranged in a grid shape along a flow field forest, each grid junction point is provided with a wireless control switch faucet, a plurality of temperature sensors are arranged between two adjacent wireless control switch faucets, and the temperature sensors are connected with the wireless control switch faucets adjacent to the temperature sensors through temperature relays;

the wireless control switch faucet is provided with at least four water outlets along the direction of grid staggering, each water outlet is provided with an independent electromagnetic valve, and the electromagnetic valves are connected with temperature sensors corresponding to the installation directions of the electromagnetic valves;

the distance between two adjacent wireless control switch faucets is less than the water spraying distance of the wireless control switch faucets;

the water outlet is arranged in a branched way, and two adjacent wireless control switch faucets jet and stagger the temperature sensors adjacent to the wireless control switch faucets and form a water curtain isolation belt;

the temperature sensor is arranged by protruding out of the ground and is installed in a sealing way through a heat conduction material;

combining a forest fire prevention system and a fish and vegetable symbiotic water surface farmland system, wherein a plurality of floating body farmlands are arranged on a lower warehouse in parallel and are fixed through a water surface farmland fixing system, a water surface V-shaped fish tank is arranged between two floating body farmlands, the top of the water surface V-shaped fish tank is a water surface and is provided with a channel, a fish food throwing system and a bottom mud collecting and irrigating system are arranged on the channel, a vegetable greenhouse is arranged on the floating body farmlands, and a solar power generation device is arranged on the vegetable greenhouse;

the floating farmland comprises a floating carrier, geotextile and a fixed frame, the floating carrier is immersed in the water surface, the floating carrier is assembled by a plurality of polystyrene foam materials and is formed by connecting the geotextile, the top of the floating carrier is a planting area, the fixed frame is arranged around the floating carrier, the fixed frame is upwards extended and provided with a soil retaining plate, and planting soil covers the planting area;

the V-shaped fish tank comprises an anti-seepage film, a shaping steel and fasteners, the anti-seepage film is sewn into the integral V-shaped fish tank, the edge is thickened, the two ends are sealed, two buckles are arranged on two sides of the upper edge of the V-shaped fish tank in each half meter as the fasteners, and the shaping steel is located at the bottom of the V-shaped fish tank;

the oxygen supply system comprises a main gas supply pipeline, gas outlet pipes and air compressors, wherein the air compressors are arranged at two ends of the V-shaped fish tank, the main gas supply pipeline is annularly distributed around the V-shaped fish tank and is connected with the air compressors, the gas outlet pipes are uniformly arranged at the middle lower part of the V-shaped fish tank and are connected with the main gas supply pipeline, and atmosphere bottles are also arranged at two ends of the V-shaped fish tank;

the fish food feeding system comprises a small pump spray ship, a fish food feeder and a first magnet, wherein the fish food feeder is arranged on the small pump spray ship, and the first magnet is adsorbed on the shaped steel element at the lower part of the V-shaped fish tank and is connected to the bottom of the small pump spray ship through a rope;

the sediment collecting and irrigating system comprises a pump spray ship, a sewage suction pump, a discharge pump, an irrigation pipe and a pumping pipe, wherein a sewage collecting box is arranged on the pump spray ship, the bottom of the sewage collecting box adopts a conical design, the sewage suction pump and the discharge pump are both arranged on the pump spray ship, the top of the sewage collecting box is provided with a feed inlet and is communicated to the bottom of the V-shaped fish tank through the pumping pipe, the sewage suction pump is connected with the pumping pipe, the bottom of the sewage collecting box is provided with a discharge port and is connected with the irrigation pipe, and the outlet of the irrigation pipe is branched towards floating farmlands on two sides of the V-shaped fish tank;

the water surface farmland fixing system comprises a wharf and ground anchors, wherein two ends of a floating body farmland are fixed by steel frames, a floating body is arranged on the steel frames to form the wharf, and the wharf is fixed by the ground anchors;

the fish catching system comprises a fish catching net, a steel wire rope, a driven wheel, a driving wheel and a driving motor, guide rails are arranged on floating body farmlands on two sides of a V-shaped fish groove, the fish catching net is matched with the V-shaped fish groove to be formed, the edge of the fish catching net is fixed through a support, two ends of the top of the fish catching net are erected on the guide rails through rollers, the driven wheel and the driving wheel are respectively arranged at two ends of the V-shaped fish groove, the steel wire rope is sleeved on the driven wheel and the driving wheel, the driving wheel is in transmission connection with the driving motor, the top of the fish catching net is connected with the steel wire rope, a second magnet is arranged at the bottom of the fish catching net, and the second magnet is close to the shaped steel;

one end of two sealing ends of the V-shaped fish tank is directly sealed by adopting a binder to be matched with the V-shaped anti-seepage film, the other end of the V-shaped fish tank is sealed by adopting a V-shaped gate to be matched with the binder, and the two ends of the top of the V-shaped gate are fixed on a floating body farmland.

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