CN109258440B - Implementation method of fishing-light integrated pond engineering circulating water culture system - Google Patents

Abstract

The invention belongs to the technical field of aquaculture, and discloses an implementation method of a fishing light integrated pond engineering circulating water aquaculture system, wherein during operation, a water lifting and oxygenation section pushes middle-layer water in a front-end deepwater area to a aquaculture section; the residual bait and feces generated in the cultivation process are driven by water flow to move to the dirt sucking section; under the action of the rear retaining wall, part of residual bait and excrement is precipitated in the dirt absorbing section, the precipitated residual bait and excrement is pumped into a dirt collecting tank by a dirt absorbing pump, after the dirt collecting tank is precipitated, supernatant is discharged back to a purifying area, and precipitated solids are used for planting vegetables and fruits; carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, and putting fish in the water to further absorb suspended matters in the water; and (5) planting Chinese herbal medicines in a floating bed in the sewage collecting pool. The invention not only maintains the two advantages of 'green energy' of 'fishing light integration' and three-dimensional multiplexing of land, but also plays the advantages of 'green fishery' of pond engineering circulating water cultivation.

Description

Implementation method of fishing-light integrated pond engineering circulating water culture system

Technical Field

The invention belongs to the technical field of aquaculture, and particularly relates to an implementation method of a fishing light integrated pond engineering circulating water aquaculture system.

Background

Currently, the current state of the art commonly used in the industry is as follows:

china is a large country of aquaculture, the main aquaculture mode is pond aquaculture, traditional pond aquaculture, vast farmers do not have tail water purification consciousness, and some farmers do not know how to purify the aquaculture tail water, and some aquaculture tail water is not purified in order to save cost, no matter what kind of reasons, the direct discharge of the aquaculture tail water causes a certain degree of pressure to the environment and even causes environmental pollution.

And (5) a pond engineering circulating water culture system. The traditional aquaculture pond is modified by a modern civil engineering technology, and the original aquaculture unit and the water quality purification unit are separated, so that only about 2-5% of the original water surface area is used, the original yield even exceeding the original total water surface area is cultivated, and the original pond fish culture mode in China is thoroughly changed. The rest about 95-98% of the water surface is used for purifying the water so that the water quality of the whole ecological system of the pond is always in an ecological, healthy and efficient running state. However, this system faces the problem of increased power demand, and how to use 95-98% of the water surface is also in need of solving. The integrated fishing and lighting is in the Jiangsu region, a photovoltaic power station is built on a fish pond, water body fish culture and water surface power generation are carried out simultaneously, land resources are effectively utilized, the land dilemma for the photovoltaic power generation is broken, and a novel fishery facility for the growth of the fishery cultured fish is not affected, so that the purposes of increasing income, saving energy and reducing emission are achieved. However, to simultaneously exert all the advantages of ecological cultivation and 'fishing light integration' of the pond engineering circulating water, a plurality of problems still need to be solved.

In summary, the problems of the prior art are:

traditional pond culture does not purify the culture tail water, and the aquaculture tail water is directly discharged, so that a certain degree of pressure is caused to the environment, even the environment is polluted, and the environment is not polluted.

The existing 'fishing light integration' does not utilize the ecological cultivation technology of pond engineering circulating water, fully utilizes land resources, achieves 'green energy', and does not achieve 'green fishery'.

The existing ecological culture technology for the pond engineering circulating water can effectively treat the culture tail water, achieves standard discharge, achieves green fishery, does not fully utilize land resources, and is not combined with photovoltaic power generation.

Difficulty and meaning for solving the technical problems:

the primary problem for solving the problems is that the pond engineering circulating water culture technology is quite sophisticated compared with the prior art. Therefore, the main difficulty of the fish-light integrated pond engineering circulating water culture is how to implement the pond engineering circulating water culture in the fish-light integrated pond.

Meaning: the ' fishing light integrated ' pond engineering circulating water culture system implementation method ' provided by the invention is used for modifying the ' fishing light integrated ' pond, and the ' fishing light integrated ' fishery part is improved by using the pond engineering circulating water culture technology, so that the ' fishing light integrated ' two advantages of ' green energy ' and three-dimensional multiplexing of the land are reserved, the ' green fishery ' advantage of pond engineering circulating water culture is exerted, and the ' fishing light integrated ' pond engineering circulating water culture system implementation method is a multi-win mode of one-two-one-more-two.

Disclosure of Invention

Aiming at the problems existing in the prior art, the invention provides an implementation method of a fishing light integrated pond engineering circulating water culture system. The system combines the photovoltaic power generation and the pond engineering circulating water ecological breeding technology, scientifically plans the whole pond, and has all the advantages of pond engineering breeding and photovoltaic power generation.

The invention is realized in such a way that the implementation method of the fishing light integrated pond engineering circulating water culture system comprises the following steps: the 'fishing light integrated' photovoltaic power generation part is reserved, the pond of the fishing part is subjected to planning layout again, the 'fishing light integrated' pond is divided into A, B areas by using a water retaining wall, and the A, B areas are subjected to partition reconstruction according to functions. After the transformation is completed, when the system is operated, the water in the whole pond is recycled clockwise.

The implementation object is a pond, and the pond is rectangular or quasi-rectangular;

the implementation method is characterized in that a water retaining wall is built in the middle of the pond, and the water retaining wall is built by adopting modified PVC plates, so that the whole pond is divided into A, B areas;

the area A comprises a deep water area at the front end of the area A, an area A cultivation area, an area A water purification area and an area A room area for management;

the water purifying area A comprises a sewage collecting pool in the area A, a deep water area at the rear end of the area A, a river channel at the rear end of the area A and a photovoltaic power generation area in the area A;

the area B comprises a deep water area at the front end of the area A, an area A cultivation area, an area A water purification area and an area B room area for management;

the water purifying area B comprises a sewage collecting pool in area B, a deep water area at the rear end of area B, a river channel at the rear end of area B and a photovoltaic power generation area in area B.

The deep water area at the front end of the area A is positioned right in front of the cultivation area A, the deep water area at the front end of the area B is positioned right in front of the cultivation area B, and mechanical excavation is adopted, so that the depth is deeper than that of the cultivation area;

the sum of the areas of the culture area A and the culture area B is smaller than 2% of the pond area, and the area ratio of the culture area A to the culture area B is 1:1-2:3.

The culture areas in the area A and the culture areas in the area B contain a plurality of culture units with the depth of 2.5m, and can be constructed by reinforced concrete, modified PVC plates, stainless steel, glass fiber reinforced plastics and the like, and each culture unit is divided into a front water lifting oxygenation section, a culture section and a sewage suction section;

the front end water lifting oxygenation section is provided with a first blocking net and a second blocking net between the front end water lifting oxygenation section and the cultivation section, a third blocking net and a fourth blocking net are arranged between the cultivation section and the sewage suction section, and a fifth blocking net is arranged between the sewage section and the water purification area.

The front water lifting and oxygenation section is provided with a water lifting and oxygenation device, and the water lifting and oxygenation device is an antibacterial nano oxygenation grid;

the bottom of the cultivation section is flat, and antibacterial nano oxygenation tubes are arranged on the bottoms of the two long sides;

the sewage suction section is an integral body and is connected with all the cultivation sections;

the sewage suction section comprises a diversion canal which is communicated with the sewage collecting pool in the area A and the sewage collecting pool in the area B, the water outlet of the sewage suction pump is communicated with the diversion canal, and the water inlet is close to the bottom of the sewage suction section.

The apertures of the first blocking net, the fourth blocking net and the fifth blocking net are stainless steel wire nets with the diameters of 1-2 cm; the second blocking net and the third blocking net are polyethylene knotless soft nets, and the aperture is 5 mm;

the area of the photovoltaic power generation area A and the area of the photovoltaic power generation area B account for 80-90% of the whole water surface, the river channel at the rear end of the area A and the deep water area at the front end of the area A are both the photovoltaic power generation area A, and the river channel at the rear end of the area B and the deep water area at the front end of the area B are both the photovoltaic power generation area B.

The implementation method is further implemented when fish culture is carried out after partition transformation is completed, and comprises the following steps:

the water lifting and oxygenation section takes a Roots blower as power and takes an antibacterial nanotube as a medium to push middle-layer water in a front-end deepwater zone to the cultivation section; the residual bait and feces generated in the cultivation process are driven by water flow to move to the dirt sucking section;

under the action of the rear retaining wall, part of residual bait and feces are deposited on the sewage suction section, and the other part of residual bait and feces flow to a purification area after the cultivation area along with water; the settled residual bait and feces are pumped into a dirt collecting tank by a dirt sucking pump, after the dirt collecting tank is settled, the supernatant is discharged back to a purifying area, and solids are used for planting vegetables, melons, fruits and Chinese herbal medicines;

carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, and putting fish in the water to further absorb suspended matters in the water; and planting a floating bed at the overflow position of the supernatant in the sewage collecting pool.

After the further implementation, the water body of the pond forms micro-flow water internal circulation of 'the front end deep water zone of the zone A, the zone A cultivation zone, the zone A water purification zone, the front end deep water zone of the zone B, the zone B cultivation zone, the zone B water purification zone, the front end deep water zone of the zone A'.

In a further implementation process, the blocking net implementation method is as follows:

the lower parts of the first blocking net and the second blocking net are connected with the upper edge of the front blocking wall, and the lower edge of the front blocking wall is connected with the bottom of the culture unit into a whole;

the third blocking net and the fourth blocking net are connected with the bottom of the cultivation unit to form a whole at the joint of the cultivation section and the sewage suction section;

the fifth blocking net lower part is connected with the upper edge of the rear retaining wall, and the lower edge of the rear retaining wall is connected with the bottom of the culture unit into a whole;

the fifth blocking net is fixed, the first blocking net to the fourth blocking net are movably removed, and when the net with the aperture of 5 mm is not escaped from the fish fry, the first blocking net to the fourth blocking net are fixed at the corresponding positions in front of and behind the cultivation section;

when the fish grows up and cannot escape from the blocking net with the aperture of 1 cm, the second blocking net and the third blocking net are removed;

when the dissolved oxygen of the water body is lower than 3mg/L, the bottom oxygenation facilities are opened in an emergency.

In summary, the invention has the advantages and positive effects that:

the invention re-plans and lays out the fishery part of the 'integrated fishing light' by applying the pond engineering circulating water culture technology to the 'integrated fishing light', and carries out partition transformation according to functions. When the system operates, the water lifting and oxygenation section pushes middle-layer water in the front-end deepwater area to the cultivation section; the residual bait and feces generated in the cultivation process are driven by water flow to move to the dirt sucking section; under the action of the rear retaining wall, part of residual bait and excrement is precipitated in the dirt absorbing section, the precipitated residual bait and excrement is pumped into a dirt collecting tank by a dirt absorbing pump, after the dirt collecting tank is precipitated, supernatant is discharged back to a purifying area, and precipitated solids are used for planting vegetables and fruits; carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, and putting fish in the water to further absorb suspended matters in the water; and (5) planting Chinese herbal medicines in a floating bed in the sewage collecting pool. The invention fully exerts the advantages of pond engineering circulating aquaculture and the advantage of 'fishing light integration', not only retains the two advantages of 'green energy' of 'fishing light integration' and three-dimensional multiplexing of land, but also exerts the advantages of 'green fishery' of pond engineering circulating water aquaculture, realizes multi-party profit, and is an organic combination of 'green energy and green fishery'. Is a multi-win mode with one plus one being greater than two.

Drawings

FIG. 1 is a schematic diagram of a fishing light integrated pond engineering circulating water culture system provided by an embodiment of the invention.

FIG. 2 is a plan view of the fishing light integrated pond engineering circulating water culture system provided by the embodiment of the invention.

In the figure: 0. a cultivation area; 01. a water lifting and oxygenation section; 011. a first barrier net; 012. a second barrier net; 013. a front retaining wall; 02. a cultivation section; 021. a third barrier net; 022. a fourth barrier net; 03. a soil pick-up section; 031. a fifth barrier net; 032. a rear retaining wall; 1. a pond; 2. the direction of the water flow; 3. a water retaining wall; 4. the front end deep water area of the area A; 5. the cultivation area A is a cultivation area; 51. a device room in the area A; 6. the water purifying area of the area A; 61. a region A sewage collecting pool; 62. the deep water area at the rear end of the area A; 63. the river channel at the rear end of the area A; 64. the A area photovoltaic power generation area; 7. deep water at the front end of the zone B; 8. the water tank cultivation area in the area B; 81. a device room in the area B; 9. the water purifying area of the area B; 91. a sewage collecting pool in the area B; 92. the deep water area at the rear end of the area B; 93. the river channel at the rear end of the zone B; 94. the photovoltaic power generation area of the area B; 10. room area for management.

Detailed Description

The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Traditional pond culture does not purify the culture tail water, and the direct discharge of aquaculture tail water causes a certain degree of pressure to the environment and even causes environmental pollution.

In the prior art, the ecological culture and 'fishing light integration' of pond engineering circulating water are not utilized; the income can not be increased, and the energy is saved and the emission is reduced.

The embodiment of the invention provides a processing method of a fishing light integrated pond engineering circulating water culture system, which comprises the following steps: when the water lifting and oxygenation system is operated, the water retaining wall divides the whole pond into A, B areas, and water in the whole pond is recycled clockwise; the method specifically comprises the following steps:

the water lifting and oxygenation section takes a Roots blower as power and takes an antibacterial nanotube as a medium to push middle-layer water in a front-end deepwater zone to the cultivation section; the residual bait and feces generated in the cultivation process are driven by water flow to move to the dirt sucking section;

under the action of the rear retaining wall, part of residual bait and feces are deposited on the sewage suction section, and the other part of residual bait and feces flow to a purification area after the cultivation area along with water; the settled residual bait and feces are pumped into a dirt collecting tank by a dirt sucking pump, after the dirt collecting tank is settled, the supernatant is discharged back to a purifying area, and solids are used for planting vegetables, melons, fruits and Chinese herbal medicines;

carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, and putting fish in the water to further absorb suspended matters in the water; and planting a floating bed at the overflow position of the supernatant in the sewage collecting pool.

When fish culture is carried out, the fifth blocking net is fixed, the first blocking net to the fourth blocking net are movably removed, and when the net with the aperture of 5 mm is put in, the first blocking net to the fourth blocking net are fixed at the corresponding positions in front of and behind the culture section;

when the fish grows up and cannot escape from the blocking net with the aperture of 1 cm, the second blocking net and the third blocking net are removed;

when the dissolved oxygen of the water body is low, the bottom oxygenation facility is opened in an emergency.

As shown in fig. 1-2, the fishing light integrated pond engineering circulating water culture system provided by the embodiment of the invention comprises a pond 1, wherein the pond 1 is rectangular or rectangular-like in east-west direction; the water circulation direction 2 of the culture system is clockwise; a water retaining wall 3 is arranged in the pond 1, the water retaining wall 3 is positioned in the middle of the pond 1 and divides the whole pond 1 into A, B areas; the area A comprises a deep water area 4 at the front end of the area A, an area A cultivation area 5 and an area A water purification area 6; the A region cultivation region 5; the water purifying area 6 of the area A comprises a sewage collecting tank 61 of the area A, a deep water area 62 at the rear end of the area A, a river channel 63 at the rear end of the area A and a photovoltaic power generation area 64 of the area A; the zone B comprises a zone B front end deep water zone 7, a zone B cultivation zone 8 and a zone B water purification zone 9; the B region cultivation region 8; the water purifying area 9 of the area B comprises a sewage collecting tank 91 of the area B, a deep water area 92 at the rear end of the area B, a river channel 93 at the rear end of the area B and a photovoltaic power generation area 94 of the area B. The whole area is provided with 1-2 blocks of room areas 10 for management.

The pond 1 is rectangular or quasi-rectangular in east-west direction;

the water circulation direction 2 of the culture system is clockwise;

the total area sum of the culture areas 5 and 8 of the region B is smaller than 2% of the pond area, and the area ratio of the culture areas 5 and the culture areas of the region A, B is controlled to be 1:1-2:3, preferably 1:1.

The water retaining wall 3 is positioned in the middle of the pond 1, is positioned in the east-west direction, keeps a distance from the sides of the pond in the south-north direction, and is positioned on the same plane with the upper opening of the water tank, and a modified PVC plate with higher strength is generally adopted to divide the whole pond 1 into A, B areas.

The area A comprises a deep water area 4 at the front end of the area A, an area A cultivation area 5 and an area A water purification area 6; the zone B comprises a deep water zone 7 at the front end of the zone B, a zone B cultivation zone 8 and a zone B water purification zone 9.

The front end deepwater zone 4 of the zone A and the zone B comprise a front end deepwater zone 7 of the zone B, and are positioned right in front of the cultivation zone A of the A, B zone, the cultivation zone B of the A, B zone A and the cultivation zone 8 of the zone B, and have the depth of 3 meters, the width, the cultivation zone length and the like, and the length is 50-100 meters.

The A region cultivation area 5 and the B region cultivation area 8 are matched with a certain area A region equipment room 51 and a certain area B region equipment room 81 for building equipment rooms and managing rooms, the A region cultivation area 5 and the B region cultivation area contain a plurality of cultivation units 0, each cultivation unit is divided into a front-end water lifting oxygenation section 01, a cultivation section 02 and a sewage suction section 03, a first blocking net 011 and a second blocking net 012 are arranged between the front-end water lifting oxygenation section 01 and the cultivation section 02, a third blocking net 021 and a fourth blocking net 022 are arranged between the cultivation section 02 and the sewage suction section 03, and a fifth blocking net 031 is arranged between the sewage section 03 and the water purification section 6.

The breeding unit 0 comprises one or more of the following conditions:

the first blocking net 011 and the second blocking net 012 are connected with the upper edge of the front retaining wall 013, the retaining wall is 1 m high and 5m long, and the lower edge of the front retaining wall 013 is connected with the bottom of the cultivation unit 0 into a whole.

The lower part of the fifth blocking net 031 is connected with the upper edge of the rear retaining wall 032, the height of the retaining wall is 1 meter, the length of the retaining wall is 5 meters, and the lower edge of the rear retaining wall 032 is connected with the bottom of the cultivation unit 0 into a whole.

The diameters of the stainless steel wire meshes of the first barrier 011, the fourth barrier 022 and the fifth barrier 031 are 1-2 cm, and the diameters of the steel wires are larger than 1.2 mm. The second barrier 012 and the third barrier 021 are polyethylene knotless soft net with aperture of 5 mm.

The front water lifting and oxygenation section 01 is provided with a water lifting and oxygenation device, and the water lifting and oxygenation device is an antibacterial nano oxygenation grid.

The bottom of the cultivation section 02 is flat, the length is 22 meters, the width is 5 meters, the depth is 2.5 meters, and antibacterial nano oxygenation tubes are distributed on the base cloth on the two long sides.

The soil sucking section 03 is an integral body and is connected with all the cultivation sections 02, the width is 3-20 m, the length is that a plurality of cultivation sections 02 are overlapped in width, and the depth is 2.5 m. The sewage suction section 03 comprises a diversion canal, the diversion canal is the same as the sewage collection pond 61 in the area A and the sewage collection pond 91 in the area B, the water outlet of the sewage suction pump is communicated with the diversion canal, and the water inlet is close to the bottom of the sewage suction section 03.

The water purifying area 6 in the area A and the water purifying area B comprise an area A sewage collecting pool 61, an area B sewage collecting pool 91, an area A rear end deep water area 62, an area B rear end deep water area 92, an area A rear end river channel 63, an area B rear end river channel 93, an area A photovoltaic power generation area 64 and an area B photovoltaic power generation area 94.

The specifications of the A area sewage collecting tank 61 and the B area sewage collecting tank 91 are related to the flow of the sewage suction pump, and the capacity is 3-5 times of the hourly discharge capacity of the sewage suction pump.

The length and width of the deep water area 62 at the rear end of the area A and the deep water area 92 at the rear end of the area B are equal to the length of the dirt sucking section 03 and are 3 meters deep.

The lower openings of the river channel 63 at the rear end of the area A and the river channel 93 at the rear end of the area B are 5-15 m wide, and are deeper than 2.5m, and the lengths of the river channels extend to the other area.

The area of the photovoltaic power generation area 64 in the area A and the area of the photovoltaic power generation area 94 in the area B are about 80-90% of the whole water surface, the area A water purification area 6 and the area B water purification area 9 remove the rear end deep water area 62 in the area A and the rear end deep water area 92 in the area B, and the area A rear end river channel 63, the area B rear end river channel 93, the area A front end deep water area 4 and the area B front end deep water area 7 can be used as the area A photovoltaic power generation area 64 and the area B photovoltaic power generation area 94.

The invention is further described in connection with specific analysis.

According to the method, as shown in fig. 1, the pond engineering circulating water culture system is built in a photovoltaic power generation pond, the pond is used for photovoltaic power generation, and according to the characteristics of pond engineering circulating water culture, the area where the photovoltaic panel is not installed is scientifically planned, so that land resources are fully utilized. When the water lifting and oxygenation system is started in operation, the whole pond is divided into A, B areas by the water retaining wall, and water in the whole pond can be recycled clockwise due to the special arrangement of the side opposite angles.

The front end deep water area of the cultivation area mainly plays a role in controlling temperature in high-temperature seasons, water temperature is prevented from being too high, fish growth is influenced, the water lifting and oxygenation section takes the Roots blower as power, the antibacterial nanotube as a medium pushes middle layer water in the front end deep water area to the cultivation section, the cultivation section is used for fish cultivation, residual bait and excrement generated in the cultivation process is driven by water flow to move to the sewage suction section, part of residual bait and excrement is precipitated in the sewage suction section due to left and right sides of the rear retaining wall, part of residual bait and excrement is then purified along with the water flow to the purification section after the cultivation area, the precipitated residual bait and excrement is pumped to the sewage collection tank by the sewage suction pump, after the sewage collection tank is precipitated, supernatant is discharged back to the purification section, and solid matter is collected for planting vegetables, melons and fruits and Chinese herbal medicines.

And (3) carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, putting silver carp, bighead carp, mandarin fish, screws, freshwater mussel, river crab and soft-shelled turtle in a certain proportion into water, further absorbing suspended matters in the water, controlling the quantity of small trash fish, constructing a stable benign ecological water area, and increasing economic benefit. Planting a floating bed with a certain area at the overflow position of the supernatant liquid in the sewage collecting pool.

When fish cultivation is carried out, the fifth blocking net is fixed all the time, the first blocking net to the fourth blocking net are movable and detachable, when fish fries (the net with the aperture of 5 mm is required to be even in specification and not escaped) are put in, the four blocking nets are required to be fixed at corresponding positions in front of and behind a cultivation section, and when the fishes grow up and not escaped from the blocking net with the aperture of 1 cm, the second blocking net and the third blocking net are detached. Or, bigger fish just put into the cultivation section, owing to the inadaptation environment, the nature of adding the top water can strike preceding block, even the fish can not run out first block, still add second, three block, because second, three block are the knotless soft network, can effectually prevent fish injury. When the dissolved oxygen of the water body is low, the bottom oxygenation facility is opened in an emergency.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (4)

1. The implementation method of the fishing light integrated pond engineering circulating water culture system is characterized by comprising the following steps of:

the method comprises the steps of reserving a 'fishing light integrated' photovoltaic power generation part, re-planning and laying out ponds of a fishery part, dividing the 'fishing light integrated' pond into an area A and an area B by using a water retaining wall, and carrying out partition reconstruction on the area A and the area B according to functions; when the pond runs, the water in the whole pond is recycled clockwise;

the water retaining wall is positioned in the middle of the pond and is built by adopting modified PVC plates;

the area A comprises a deep water area at the front end of the area A, an area A cultivation area, an area A water purification area and an area A room area for management;

the water purifying area A comprises a sewage collecting pool in the area A, a deep water area at the rear end of the area A, a river channel at the rear end of the area A and a photovoltaic power generation area in the area A;

the zone B comprises a deep water zone at the front end of the zone B, a zone B cultivation zone, a zone B water purification zone and a zone B room zone for management;

the water purifying area B comprises a sewage collecting pool of the area B, a deep water area at the rear end of the area B, a river channel at the rear end of the area B and a photovoltaic power generation area of the area B;

the sum of the areas of the culture areas of the area A and the culture area B is smaller than 2% of the pond area, and the area ratio of the area A to the area B is 1:1-2:3;

the culture areas in the area A and the culture areas in the area B are internally provided with a plurality of culture units with the depth of 2.5m, and each culture unit is constructed by adopting reinforced concrete, modified PVC plates, stainless steel or glass fiber reinforced plastics, and is divided into a front water lifting oxygenation section, a culture section and a sewage suction section;

a first blocking net and a second blocking net are arranged between the front water lifting oxygenation section and the cultivation section, a third blocking net and a fourth blocking net are arranged between the cultivation section and the sewage suction section, and a fifth blocking net is arranged between the sewage section and the water purification area;

the pond is rectangular or quasi-rectangular;

the deep water area at the front end of the area A is positioned right in front of the cultivation area A, the deep water area at the front end of the area B is positioned right in front of the cultivation area B, and mechanical excavation is adopted, so that the depth is deeper than that of the cultivation area;

the front water lifting and oxygenation section is provided with a water lifting and oxygenation device, and the water lifting and oxygenation device is an antibacterial nano oxygenation grid;

the bottom of the cultivation section is flat, and antibacterial nano oxygenation tubes are arranged on the bottoms of the two long sides;

the sewage suction section is an integral body and is connected with all the cultivation sections;

the sewage suction section comprises a diversion canal which is communicated with the sewage collecting pool in the area A and the sewage collecting pool in the area B, the water outlet of the sewage suction pump is communicated with the diversion canal, and the water inlet is close to the bottom of the sewage suction section;

the apertures of the first blocking net, the fourth blocking net and the fifth blocking net are stainless steel wire nets with the diameters of 1-2 cm; the second blocking net and the third blocking net are polyethylene knotless soft nets, and the aperture is 5 mm;

the area of the photovoltaic power generation area A and the area of the photovoltaic power generation area B account for 80-90% of the whole water surface, the river channel at the rear end of the area A and the deep water area at the front end of the area A are all photovoltaic power generation areas A, and the river channel at the rear end of the area B and the deep water area at the front end of the area B are all photovoltaic power generation areas B.

2. The method for implementing the fish-light integrated pond engineering circulating water culture system according to claim 1, wherein the fish-light integrated pond engineering circulating water culture system is further implemented as follows when the fish culture is performed after the partition transformation is completed with the implementation method according to claim 1:

the water lifting and oxygenation section takes a Roots blower as power and takes an antibacterial nanotube as a medium to push middle-layer water in a front-end deepwater zone to the cultivation section; the residual bait and feces generated in the cultivation process are driven by water flow to move to the dirt sucking section;

under the action of the rear retaining wall, part of residual bait and feces are deposited on the sewage suction section, and the other part of residual bait and feces flow to a purification area after the cultivation area along with water; the settled residual bait and feces are pumped into a dirt collecting tank by a dirt sucking pump, after the dirt collecting tank is settled, the supernatant is discharged back to a purifying area, and solids are used for planting vegetables, melons, fruits and Chinese herbal medicines;

carrying out water purification fishery in a deep water area, a river channel and a photovoltaic power generation area after the cultivation area, and putting fish in the water to further absorb suspended matters in the water; and planting a floating bed at the overflow position of the supernatant in the sewage collecting pool.

3. The method for implementing the fishing light integrated pond engineering circulating water culture system according to claim 2, wherein the water body of the pond forms micro-water internal circulation of 'front end deep water zone A-zone A culture zone-zone A purified water zone-front end deep water zone B-zone B culture zone-zone B purified water zone-front end deep water zone A'.

4. The method for implementing the fishing light integrated pond engineering circulating water culture system according to claim 2, wherein the blocking net implementation method is as follows when fish culture is carried out:

the lower parts of the first blocking net and the second blocking net are connected with the upper edge of the front blocking wall, and the lower edge of the front blocking wall is connected with the bottom of the culture unit into a whole;

the third blocking net and the fourth blocking net are connected with the bottom of the cultivation unit to form a whole at the joint of the cultivation section and the sewage suction section;

the fifth blocking net lower part is connected with the upper edge of the rear retaining wall, and the lower edge of the rear retaining wall is connected with the bottom of the culture unit into a whole;

the fifth blocking net is fixed, the first blocking net to the fourth blocking net are movably removed, and when the net with the aperture of 5 mm is not escaped from the fish fry, the first blocking net to the fourth blocking net are fixed at the corresponding positions in front of and behind the cultivation section;

when the fish grows up and cannot escape from the blocking net with the aperture of 1 cm, the second blocking net and the third blocking net are removed;

when the dissolved oxygen of the water body is lower than 3mg/L, the bottom oxygenation facilities are opened in an emergency.