CN210352749U

CN210352749U - Three-dimensional aquaculture system

Info

Publication number: CN210352749U
Application number: CN201921279470.0U
Authority: CN
Inventors: 顾根生
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-21
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to an aquaculture field discloses a three-dimensional aquaculture system, include: the device comprises a rectangular frame, a culture pond, a feeding system and a purification device; the rectangular frame is provided with a plurality of unit layers which are arranged and distributed up and down, and a culture pond is arranged in each unit layer; a sewer pipeline is arranged at the bottom of the culture pond; the feeding system comprises a sliding rail mechanism arranged in each unit layer, a feeding box movably arranged on the sliding rail mechanism and a driving device; the purification device comprises a filter device, a purification water inlet pipe, a purification water outlet pipe and a drainage pump, wherein the drainage pump works, sewage containing impurities at the bottom of the culture pond enters the filter device through a sewer pipe and the purification water inlet pipe, and water filtered by the filter device flows into each culture pond through the purification water outlet pipe. In this way, the utility model discloses can breed more aquatic products under the less condition of area, can also put in the foodstuff automatically to breeding the pond to can the water in the circulating filtration breeding pond.

Description

Three-dimensional aquaculture system

Technical Field

The utility model relates to an aquaculture field especially relates to a three-dimensional aquaculture system.

Background

Traditional aquaculture modes include soil pond culture, elevated pond culture, industrial culture, common container culture and the like. The soil pond culture and the elevated pond culture generally need to directly utilize water or be built at a position close to a water source, are greatly influenced by environment, climate, water pollution, epidemic diseases and the like, and have the advantages of more site selection limitation, large floor area, low culture success rate and low yield; the industrial cultivation is large in one-time investment and large in scale, and generally cultivated individual households or small enterprises are usually affected by factors such as shortage of funds, high investment amount, long investment recovery period, difficulty in controlling risks and high management difficulty and are difficult to implement, so that the conventional industrial cultivation mode is not popularized yet; at present, a box type culture mode adopting a container as a culture container appears in the market, but the mode is only to simply reform the container into a common culture container, the space utilization rate is low, and the real high-density high-yield culture cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a three-dimensional aquaculture system, can breed more aquatic products under the less condition of area, can also put in the foodstuff automatically to breeding the pond to can the water in the loop filter breeding pond.

In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a stereoscopic aquaculture system comprising: the system comprises a culture frame for culturing aquatic products, a feeding system arranged on the culture frame and used for feeding food, and a purification device connected with the culture frame and used for treating sewage and performing water circulation; the cultivation frame comprises a rectangular frame and cultivation ponds, the rectangular frame is provided with a plurality of unit layers which are arranged and distributed up and down, and each unit layer is internally provided with one cultivation pond; a sewer pipeline for sewage discharge is arranged at the bottom of the culture pond, and a plurality of sewer holes for the inflow of sediments at the bottom of the culture pond are distributed on the sewer pipeline; the feeding system comprises a sliding rail mechanism arranged in each unit layer, a feeding box movably arranged on the sliding rail mechanism and a driving device for controlling the feeding box to move back and forth along the sliding rail mechanism, and the feeding box is positioned above the culture pond in the corresponding unit layer; the purification device comprises a filter device, a purification water inlet pipe connected with a water inlet of the filter device, a purification water outlet pipe connected with a water outlet of the filter device, and a drainage pump for controlling water in the filter device to flow circularly; the purification water inlet pipe is communicated with all sewer pipelines, the purification water outlet pipe is provided with a plurality of water outlet ports, and the plurality of water outlet ports respectively lead to the plurality of culture ponds one by one; the drainage pump works, sewage containing impurities at the bottom of the culture pond enters the filtering device through the sewer pipe and the purification water inlet pipe, and water filtered by the filtering device flows into each culture pond through the purification water outlet pipe.

Preferably, the filtering device comprises a primary filtering tank, a secondary filtering tank and a tertiary filtering tank which are connected in sequence; the connecting hole between the first-stage filtering tank and the second-stage filtering tank, the connecting hole between the second-stage filtering tank and the third-stage filtering tank and the water outlet on the third-stage filtering tank are all positioned above the corresponding filtering tank; the bottom of each filtering pond bottom is provided with a drain pipe communicated with the corresponding filtering pond, and the drain pipe is provided with a switch valve.

Preferably, the device also comprises a dry-wet separator, a collecting barrel and an ecological pool; the entry of dry wet separating centrifuge with the blow off pipe is connected, the solid-state exit of dry wet separating centrifuge is provided with the collecting vessel, the liquid export of dry wet separating centrifuge accesss to ecological pool, aquatic plant has been bred in the ecological pool.

Preferably, the rectangular frame comprises a plurality of vertical rods which are vertically arranged, a plurality of laminates which are positioned among the vertical rods and horizontally arranged and used for separating and forming unit layers, and a plurality of supports which are positioned in each unit layer, arranged on the corresponding laminates in parallel and used for supporting the culture pond in a matching way; the bracket is vertically fixed on the laminate positioned below in the unit layer; the laminated plate is composed of a plurality of cross rods; the vertical rods and the transverse rods are assembled by sleeving a plurality of short rods; and an arched shed is arranged at the top of the rectangular frame.

Preferably, the feeding box is movably hung on the sliding rail mechanism through a hanging rod; the feeding box is rotatably connected with the hanging rod, and a plurality of leakage holes for food materials in the feeding box to fall are distributed at the bottom of the feeding box; the driving device is a driving motor, the sliding rail mechanism is an electric sliding rail, and the hanging rod is fixedly connected with a sliding block on the electric sliding rail; the driving motor works to control the electric sliding rail to move, so that the feeding box moves back and forth along the rail of the electric sliding rail.

Preferably, the inner surface of the bottom of the culture pond is inclined and sunken towards the lower water hole from the edge, and the inclination of the inclined and sunken part is between 0 and 20 degrees; the sewer pipeline is a straight-through pipeline, and the sewer hole is positioned on the side wall of the straight-through pipeline; the straight-through pipeline is horizontally and transversely embedded at the bottom of the culture pond, and the length direction of the straight-through pipeline is the same as that of the culture pond; one end of the straight-through pipeline is closed, and the other end of the straight-through pipeline is communicated with a purification water inlet pipe.

Preferably, the system also comprises a water injection system for ensuring the water storage amount in the culture pond; the water injection system comprises a water injection pump connected with a water source, a water injection head arranged in each culture pond and used for adding water, and a water level electromagnetic valve arranged in each culture pond and used for detecting whether the water level of the corresponding culture pond is lower than the lowest water level or reaches the highest water level; the water injection head is connected with the water injection pump through a hose, and an electromagnetic switch is arranged on the hose; when the water level in the culture pond is lower than the lowest water level, the water level electromagnetic valve in the culture pond controls the water injection pump to work and the corresponding electromagnetic switch to be switched on, and when the water level in the culture pond reaches the highest water level, the water injection pump is controlled to stop working and the corresponding electromagnetic switch to be switched off.

Preferably, the system also comprises a monitoring system for monitoring the environmental temperature and the water quality in the culture pond; the monitoring system comprises a temperature monitoring module, a water quality monitoring module, a control center and a display screen; the temperature monitoring module detects the water temperature in the culture pond in real time and sends the detected temperature data information to the control center; the water quality monitoring module detects the water quality of the culture pond in real time and sends the detected water quality data information to the control center; and the control center receives the data information sent by the temperature monitoring module and the water quality monitoring module, processes the data information and sends the processed data information to the display screen for real-time data display.

Preferably, the inner wall of the culture pond is internally provided with a heat insulation layer made of heat insulation materials, and the inner wall of the culture pond, which is in contact with water, is additionally provided with an environment-friendly layer made of food-grade nano-layer materials; and a nest for housing water products is arranged in the culture pond.

Preferably, an aerator is also included; and a plurality of air pipes of the aerator are respectively communicated with each culture pond.

The utility model has the advantages that: the utility model can cultivate more aquatic products under the condition of small floor space, and has high output value; foodstuff can be automatically put into the culture pond, and the labor intensity of workers is reduced; the purification device can circularly filter the water in the culture pond to ensure the water quality in the culture pond; the heat-insulating layer can play a role in heat insulation, so that energy can be effectively saved; the environment-friendly layer can ensure the safety of aquaculture and has stronger anti-fouling effect; the design of the sewer pipeline can discharge harmful substances such as residual baits, excrement and the like precipitated at the bottom of the culture pond along with water flow; the nest arranged in the culture pond can reduce the possibility of fighting the aquatic products in the culture pond due to territory; the oxygen-increasing machine arranged in the culture pond can ensure the oxygen content of water in the culture pond; the water injection system can ensure the height of the water level in the culture pond and automatically add water when the water level is too low; the monitoring system can monitor the water temperature in the culture pond and the quality of the water quality in the culture pond in real time, so that the staff can conveniently and timely perform corresponding treatment, and the management is easy; the rectangular frame is convenient to assemble and build due to structural design, and different numbers of unit layers can be built according to the culture requirements; the dry-wet separator can perform dry-wet separation treatment on high-concentration sewage accumulated during filtration, the separated solid can be used as fertilizer, the separated liquid water can be discharged into the ecological pool to breed aquatic plants, the purpose of fully utilizing the sewage is achieved, and meanwhile, the pollution problem caused by the sewage is also solved.

Drawings

FIG. 1 is a schematic front view of a preferred embodiment of a three-dimensional aquaculture system of the present invention;

FIG. 2 is a schematic left sectional view of a three-dimensional aquaculture system of the present invention;

FIG. 3 is a schematic view of the purification device of the three-dimensional aquaculture system of the present invention;

FIG. 4 is a schematic view of the structure of a culture pond in a three-dimensional aquaculture system of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the feeding box in the three-dimensional aquaculture system of the present invention.

The parts in the drawings are numbered as follows: 1. a rectangular frame; 11. a vertical rod; 12. laminating the board; 13. a support; 14. a transparent arched shed; 2. a culture pond; 21. a heat-insulating layer; 22. an environmental protection layer; 23. a sewer pipeline; 3. a purification device; 31. a primary filtering tank; 32. a secondary filtering tank; 33. a third stage filter tank; 34. draining pump; 35. a blow-off pipe; 36. opening and closing the valve; 37. a dry-wet separator; 38. a collection barrel; 39. an ecological pool; 4. purifying the water inlet pipe; 5. a purification water outlet pipe; 61. a slide rail mechanism; 62. a hanging rod; 63. a drive device; 64. a feeding box; 641. a leak hole; 7. the nest is provided.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 5, an embodiment of the present invention includes:

a stereoscopic aquaculture system comprising: a breed frame for breeding aquatic products (aquatic products such as fish, shrimp, crab), set up the food feeding system who is used for regularly putting in the foodstuff on breeding the frame, link to each other with breeding the frame and be used for handling sewage and carry out hydrologic cycle's purifier 3 for guarantee the water injection system of the water storage volume in breed pond 2, the monitored control system who is used for monitoring ambient temperature and breed quality of water in the pond 2, and be used for guaranteeing the oxygen-increasing machine (not shown in the figure) of the interior water oxygen content of breed pond 2.

The culture rack comprises a rectangular frame 1 and a culture pond 2; the rectangular frame 1 is provided with a plurality of unit layers which are arranged and distributed up and down, and a culture pond 2 is arranged in each unit layer; the structural design can cultivate more aquatic products as much as possible under the condition of limited floor area. Breed 2 highly being less than the height on unit layer (the height on unit layer is the bed height of rectangular frame 1 promptly), not only can the easy to assemble breed 2 like this, can also the easy to assemble arrange other devices, like throw food system etc to and the distance interval that leaves can accelerate the temperature transmission, improve the gas permeability, guarantee that each temperature of breeding in the 2 ponds is all the same, convenient accuse temperature, in addition, can also make things convenient for the audio-visual growth conditions who observes aquatic products in breeding 2 ponds of staff. A plurality of trachea of oxygen-increasing machine lead to every breed pond 2 respectively, and tracheal end of giving vent to anger has the air bubble stone, and the air bubble stone is arranged in the aquatic to guarantee the oxygen content of every 2 mesowaters of breeding the pond.

A sewer pipeline 23 for sewage discharge is arranged at the bottom of the culture pond 2, and a plurality of sewer holes for the inflow of sediments at the bottom of the culture pond 2 are distributed on the sewer pipeline 23; the sewer pipeline 23 is a straight-through pipeline, and the sewer hole is positioned on the side wall of the straight-through pipeline; the straight-through pipeline is horizontally and transversely embedded at the bottom of the culture pond 2, and the length direction of the straight-through pipeline is the same as that of the culture pond 2; one end of the straight-through pipeline is closed, and the other end of the straight-through pipeline is communicated with a purification water inlet pipe 4 in a purification device 3; this structural design can improve blowdown efficiency, and the blowdown is effectual. The inner surface of the bottom of the culture pond 2 is inclined and sunken towards the lower water hole from the edge, the inclination of the inclined and sunken part is between 0 and 20 degrees and comprises 0 and 20 degrees; the design of the inclined recess at the bottom of the culture pond 2 can discharge impurities precipitated at the bottom of the culture pond 2 with higher efficiency, and the impurities can be conveniently crawled when aquatic products such as shrimps and the like are cultured with the inclination of 0-20 degrees; wherein, the crawling of shrimp aquatic products, the work of oxygen-increasing machine all can arouse the flow of breed 2 aquatic waters to can make food waste, excrement and urine etc. in the breed 2 flow into in the lower water hole, but can not deposit at the bottom of the pool of breeding 2. In order to ensure the structural strength of the culture pond 2 and reduce the cost as much as possible, the whole bottom of the culture pond 2 is of a structure which is inclined and sunken from the periphery to the round hole, namely, the outer surface of the bottom of the culture pond 2 is parallel to the inner surface of the bottom of the culture pond 2 correspondingly, and the thickness of the bottom of the culture pond 2 is unchanged. Normally, the size of the sewer holes will be smaller than the size of the aquatic products in the culture pond 2 to prevent the aquatic products from entering the sewer pipe 23. However, since the aquatic products in the culture pond 2 grow from small to large, when the aquatic products are young, the size of the aquatic products in the culture pond 2 may be smaller than or equal to the size of the sewage holes, and at this time, a layer of filter screen is laid on the sewage holes, and the size of the mesh of the filter screen is only suitable for harmful substances such as residual bait, feces and the like to pass through.

An insulating layer 21 made of insulating materials is arranged in the inner wall of the culture pond 2; the heat preservation layer 21 can play a role in heat preservation, energy can be effectively saved, the temperature in the culture pond 2 can be guaranteed in winter, heat energy loss is greatly reduced, the cost generated by heating is reduced, heating is less, and even normal growth of aquatic products can be guaranteed in winter without heating. An environment-friendly layer 22 made of food-grade nano-layer materials is additionally arranged on the inner wall of the culture pond 2 contacting with water; the environmental protection layer 22 can guarantee the safety of aquaculture, has stronger anti-pollution effect, can avoid foodstuff residue, aquatic products excrement and urine etc. to adhere on the inner wall of breed pond 2, prevents to breed the bacterium. A nest 7 for water supply and housing is arranged in the culture pond 2; the possibility of fighting the aquatic products in the culture pond 2 due to territory can be reduced, and the healthy growth of the aquatic products is ensured.

The rectangular frame 1 comprises a plurality of vertical rods 11 which are vertically arranged, a plurality of laminates 12 which are positioned among the vertical rods 11 and horizontally arranged and used for separating and forming unit layers, and a plurality of brackets 13 which are positioned in each unit layer, arranged on the corresponding laminates 12 in parallel and used for supporting the culture pond 2 in a matching way; the bracket 13 is vertically fixed on the layer plate 12 positioned below in the unit layer; the laminate 12 is composed of a plurality of cross bars; the vertical rods 11 and the transverse rods are assembled by sleeving a plurality of short rods; the whole structure of the rectangular frame 1 is simple, and the rectangular frame is convenient and easy to build. The top of rectangular frame 1 is provided with transparent arched shed 14, can effectually reduce the influence that weather change caused to aquaculture in 2, and can further guarantee the temperature of breeding the interior aquatic products of 2.

The feeding system comprises a slide rail mechanism 61 arranged in each unit layer, a feeding box 64 movably arranged on the slide rail mechanism 61, and a driving device 63 for controlling the feeding box 64 to move back and forth along the slide rail mechanism 61, wherein the feeding box 64 is positioned above the culture pond 2 in the corresponding unit layer. The driving device 63 is a driving motor, and the slide rail mechanism 61 is an electric slide rail; the feeding box 64 is fixedly connected with a slide block on the electric slide rail through a hanging rod 62, and the feeding box 64 is rotatably connected with the hanging rod 62; the driving motor works to control the electric sliding rail to move, so that the feeding box 64 is driven to move, the feeding box 64 can swing left and right in the moving process to feed food in the culture pond 2 in a divergent mode, aquatic products at all positions in the culture pond 2 can eat the food, and squeezing and snatching can not occur; the bottom of the feeding box 64 is provided with a plurality of leaking holes 641 for food to fall from the feeding box 64, which is convenient for uniform feeding of food.

The purification device 3 comprises a filter device, a purification water inlet pipe 4 connected with a water inlet of the filter device, a purification water outlet pipe 5 connected with a water outlet of the filter device, and a drainage pump 34 for controlling the water in the filter device to flow circularly; the purification water inlet pipe 4 is communicated with all the sewer pipes 23, the purification water outlet pipe 5 is provided with a plurality of water outlet ports, and the plurality of water outlet ports are respectively communicated with the plurality of culture ponds 2 one by one; the drainage pump 34 works, sewage containing impurities at the bottom of the culture pond 2 enters the filtering device through the sewer pipeline 23 and the purification water inlet pipe 4, and water filtered by the filtering device flows into each culture pond 2 through the purification water outlet pipe 5; the drainage pump 34 works to circulate the water, so as to filter harmful substances such as residual bait, excrement and the like in the water, ensure the quality of the water in the culture pond 2, and have high sewage treatment efficiency, good sewage treatment effect and no water waste. The filtering device comprises a primary filtering tank 31, a secondary filtering tank 32 and a tertiary filtering tank 33 which are connected in sequence; the primary filtering tank 31 adopts a physical method, and mainly removes substances such as large suspended substances, sand grains and the like in the wastewater by means of grid interception, sedimentation and the like; the secondary filter tank 32 adopts a biochemical method, and removes suspended and dissolved organic matters and nutrient salts such as nitrogen, phosphorus and the like in the wastewater by means of life movement of microorganisms and the like; the third-stage filtering tank 33 also adopts a physical method, and impurities in water are removed again mainly through filtering means such as sponge and the like, so that the quality of the water is ensured, and the recycling is convenient. The connecting hole between the first-stage filtering tank 31 and the second-stage filtering tank 32, the connecting hole between the second-stage filtering tank 32 and the third-stage filtering tank 33 and the water outlet on the third-stage filtering tank 33 are all positioned above the corresponding filtering tanks, so that relatively clean water after filtering flows into the next tank; the bottoms of the primary filtering tank 31, the secondary filtering tank 32 and the tertiary filtering tank 33 are all in a concave shape, the lowest part of the bottom of each filtering tank is provided with a sewage discharge pipe 35 communicated with the corresponding filtering tank, and the sewage discharge pipe 35 is provided with a switch valve 36; the structural design can regularly discharge high-concentration sewage precipitated at the bottom of the tank.

The purification device 3 also comprises a dry-wet separator 37, a collecting barrel 38 and an ecological pool 39; the inlet of the dry-wet separator 37 is connected with the sewage discharge pipe 35, the solid outlet of the dry-wet separator 37 is provided with the collecting barrel 38, the liquid outlet of the dry-wet separator 37 leads to the ecological pool 39, and aquatic plants are cultured in the ecological pool 39. The aquatic plant is one or the combination of any more of cress, wild rice stem, lotus, water lily, bamboo reed leaves, cattail, loosestrife, allium japonicum thunb, green leaf allium fistulosum and acorus calamus, and can absorb nutrient substances dissolved in water, so that the water quality is purified.

The water injection system (not shown in the figure) comprises a water injection pump connected with a water source (such as a water tank, a water tap and the like), a water injection head arranged in each culture pond 2 for adding water, and a water level electromagnetic valve arranged in each culture pond 2 for detecting whether the water level of the corresponding culture pond 2 is lower than the lowest water level or reaches the highest water level; the water injection head is connected with the water injection pump through a hose, the hose is convenient for wiring arrangement, and an electromagnetic switch is arranged on the hose; when the water level in the culture pond 2 is lower than the lowest water level, the water level electromagnetic valve in the culture pond 2 controls the water injection pump to work and the corresponding electromagnetic switch to be switched on, and when the water level in the culture pond 2 reaches the highest water level, the water injection pump is controlled to stop working and the corresponding electromagnetic switch to be switched off. The water injection system can automatically inject a proper amount of water into the culture pond 2 when the water level in the culture pond 2 is too low, so as to maintain the water amount in the culture pond 2.

The monitoring system (not shown in the figure) comprises a temperature monitoring module, a water quality monitoring module, a control center and a display screen; the temperature monitoring module detects the water temperature in the culture pond 2 in real time and sends the detected temperature data information to the control center; the water quality monitoring module detects the water quality of the culture pond 2 in real time and sends the detected water quality data information to the control center; the control center receives the data information sent by the temperature monitoring module and the water quality monitoring module, processes the data information and sends the processed data information to the display screen for real-time data display; so that the staff can know the water temperature information in the culture pond 2 and the water quality information in the culture pond 2 at any time.

The three-dimensional aquaculture system is also matched with a warehouse for placing a large amount of food materials and a laboratory for water quality experimental detection; the warehouse can facilitate workers to add food materials into the feeding box 64, the workload of the workers for taking the food materials from a distance is reduced, and the working efficiency is improved; the laboratory can make things convenient for the staff regularly to carry out the experiment to the quality of water in the pond 2 and detect, can also supply the staff to live in simultaneously.

The utility model can cultivate more aquatic products under the condition of small floor space, and has high output value; foodstuff can be automatically put into the culture pond 2, and the labor intensity of workers is reduced; the purifying device 3 can circularly filter the water in the culture pond 2 to ensure the water quality in the culture pond 2; the heat-insulating layer 21 can play a role in heat insulation, so that energy can be effectively saved; the environment-friendly layer 22 can ensure the safety of aquaculture and has stronger anti-fouling effect; the sewer pipe 23 is designed to discharge harmful substances such as residual baits and feces deposited at the bottom of the culture pond 2 together with water flow; the nest 7 arranged in the culture pond 2 can reduce the possibility of fighting the aquatic products in the culture pond 2; the oxygen-increasing machine arranged in the culture pond 2 can ensure the oxygen content of the water in the culture pond 2; the water injection system can ensure the height of the water level in the culture pond 2 and automatically add water when the water level is too low; the monitoring system can monitor the water temperature in the culture pond 2 and the quality of the water quality in the culture pond 2 in real time, so that the staff can conveniently and timely perform corresponding treatment, and the management is easy; the rectangular frame 1 is convenient to assemble and build due to the structural design, and different numbers of unit layers can be built according to the culture requirements; the dry-wet separator 37 can perform dry-wet separation treatment on high-concentration sewage accumulated during filtration, the separated solid can be used as fertilizer, the separated liquid water can be discharged into the ecological pool 39 to cultivate aquatic plants, the purpose of fully utilizing the sewage is achieved, and meanwhile, the pollution problem caused by the sewage is solved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A stereoscopic aquaculture system, comprising: the system comprises a culture frame for culturing aquatic products, a feeding system arranged on the culture frame and used for feeding food, and a purification device connected with the culture frame and used for treating sewage and performing water circulation; the cultivation frame comprises a rectangular frame and cultivation ponds, the rectangular frame is provided with a plurality of unit layers which are arranged and distributed up and down, and each unit layer is internally provided with one cultivation pond; a sewer pipeline for sewage discharge is arranged at the bottom of the culture pond, and a plurality of sewer holes for the inflow of sediments at the bottom of the culture pond are distributed on the sewer pipeline; the feeding system comprises a sliding rail mechanism arranged in each unit layer, a feeding box movably arranged on the sliding rail mechanism and a driving device for controlling the feeding box to move back and forth along the sliding rail mechanism, and the feeding box is positioned above the culture pond in the corresponding unit layer; the purification device comprises a filter device, a purification water inlet pipe connected with a water inlet of the filter device, a purification water outlet pipe connected with a water outlet of the filter device, and a drainage pump for controlling water in the filter device to flow circularly; the purification water inlet pipe is communicated with all sewer pipelines, the purification water outlet pipe is provided with a plurality of water outlet ports, and the plurality of water outlet ports respectively lead to the plurality of culture ponds one by one; the drainage pump works, sewage containing impurities at the bottom of the culture pond enters the filtering device through the sewer pipe and the purification water inlet pipe, and water filtered by the filtering device flows into each culture pond through the purification water outlet pipe.

2. A stereoscopic aquaculture system according to claim 1, characterized in that: the filtering device comprises a primary filtering tank, a secondary filtering tank and a tertiary filtering tank which are connected in sequence; the connecting hole between the first-stage filtering tank and the second-stage filtering tank, the connecting hole between the second-stage filtering tank and the third-stage filtering tank and the water outlet on the third-stage filtering tank are all positioned above the corresponding filtering tank; the bottom of each filtering pond bottom is provided with a drain pipe communicated with the corresponding filtering pond, and the drain pipe is provided with a switch valve.

3. A stereoscopic aquaculture system according to claim 2, characterized in that: the device also comprises a dry-wet separator, a collecting barrel and an ecological pool; the entry of dry wet separating centrifuge with the blow off pipe is connected, the solid-state exit of dry wet separating centrifuge is provided with the collecting vessel, the liquid export of dry wet separating centrifuge accesss to ecological pool, aquatic plant has been bred in the ecological pool.

4. A stereoscopic aquaculture system according to claim 1, characterized in that: the rectangular frame comprises a plurality of vertical rods which are vertically arranged, a plurality of laminates which are arranged among the vertical rods and horizontally and used for separating and forming unit layers, and a plurality of supports which are arranged in each unit layer, distributed on the corresponding laminates in parallel and used for supporting the culture pond in a matching way; the bracket is vertically fixed on the laminate positioned below in the unit layer; the laminated plate is composed of a plurality of cross rods; the vertical rods and the transverse rods are assembled by sleeving a plurality of short rods; and an arched shed is arranged at the top of the rectangular frame.

5. A stereoscopic aquaculture system according to claim 1, characterized in that: the feeding box is movably hung on the slide rail mechanism through a hanging rod; the feeding box is rotatably connected with the hanging rod, and a plurality of leakage holes for food materials in the feeding box to fall are distributed at the bottom of the feeding box; the driving device is a driving motor, the sliding rail mechanism is an electric sliding rail, and the hanging rod is fixedly connected with a sliding block on the electric sliding rail; the driving motor works to control the electric sliding rail to move, so that the feeding box moves back and forth along the rail of the electric sliding rail.

6. A stereoscopic aquaculture system according to claim 1, characterized in that: the inner surface of the bottom of the culture pond is inclined and sunken towards the lower water hole from the edge, and the inclination of the inclined and sunken part is 0-20 degrees; the sewer pipeline is a straight-through pipeline, and the sewer hole is positioned on the side wall of the straight-through pipeline; the straight-through pipeline is horizontally and transversely embedded at the bottom of the culture pond, and the length direction of the straight-through pipeline is the same as that of the culture pond; one end of the straight-through pipeline is closed, and the other end of the straight-through pipeline is communicated with a purification water inlet pipe.

7. A stereoscopic aquaculture system according to claim 1, characterized in that: the water injection system is used for ensuring the water storage amount in the culture pond; the water injection system comprises a water injection pump connected with a water source, a water injection head arranged in each culture pond and used for adding water, and a water level electromagnetic valve arranged in each culture pond and used for detecting whether the water level of the corresponding culture pond is lower than the lowest water level or reaches the highest water level; the water injection head is connected with the water injection pump through a hose, and an electromagnetic switch is arranged on the hose; when the water level in the culture pond is lower than the lowest water level, the water level electromagnetic valve in the culture pond controls the water injection pump to work and the corresponding electromagnetic switch to be switched on, and when the water level in the culture pond reaches the highest water level, the water injection pump is controlled to stop working and the corresponding electromagnetic switch to be switched off.

8. A stereoscopic aquaculture system according to claim 1, characterized in that: the system also comprises a monitoring system for monitoring the environmental temperature and the water quality in the culture pond; the monitoring system comprises a temperature monitoring module, a water quality monitoring module, a control center and a display screen; the temperature monitoring module detects the water temperature in the culture pond in real time and sends the detected temperature data information to the control center; the water quality monitoring module detects the water quality of the culture pond in real time and sends the detected water quality data information to the control center; and the control center receives the data information sent by the temperature monitoring module and the water quality monitoring module, processes the data information and sends the processed data information to the display screen for real-time data display.

9. A stereoscopic aquaculture system according to claim 1, characterized in that: the inner wall of the culture pond is internally provided with a heat insulation layer made of heat insulation materials, and the inner wall of the culture pond, which is in contact with water, is additionally provided with an environment-friendly layer made of food-grade nano-layer materials; and a nest for housing water products is arranged in the culture pond.

10. A stereoscopic aquaculture system according to claim 1, characterized in that: the device also comprises an aerator; and a plurality of air pipes of the aerator are respectively communicated with each culture pond.