Ecological circulation system for industrial breeding

Abstract

The invention relates to the technical field of aquaculture facilities, and provides an ecological circulation system for industrial culture, which comprises a circular culture pond, a water outlet is arranged at the bottom of the circular culture pond, and the bottom of the circular culture pond is inclined towards the water outlet; two water inlets are further formed in the pond bottom of the circular culture pond and symmetrically formed in the two sides of the water outlet; the reservoir is arranged at the water outlet end of the water outlet; the purifying pond is adjacent to the water storage pond, and the water inlet side of the purifying pond is connected with the water outlet side of the water storage pond; and the temperature control device is connected with the purification pond and the circular culture pond respectively. The culture area, the water storage area, the purification area and the temperature control component are separately arranged and connected in series to form a circulation system, and the advantage of convenient maintenance is achieved; the two water inlets are arranged, so that the hydrodynamic design is optimized, and dirt can be conveniently, quickly and effectively gathered; the temperature control device is introduced, so that the water temperature control precision is improved, and the influence on fish health caused by overlarge aquaculture water temperature fluctuation is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aquaculture facilities, and particularly relates to an ecological circulation system for industrialized aquaculture. BACKGROUND

[0002] In the field of aquaculture, water quality and temperature are important factors for the healthy growth of farmed animals. In the field of industrialized aquaculture, circular breeding ponds are widely used because of their uniform water flow, no dead angle, and obvious "tea cup" effect. With the continuous optimization and upgrading of the design of breeding ponds, more and more functions are added, and the existing breeding ponds are mostly designed with modular filter material bins, which need to be repeatedly disassembled for maintenance, resulting in complex operation and high labor cost. On the one hand, the traditional heater causes a loss of heat conduction, resulting in an imbalance in the temperature field uniformity, which can cause a gradient temperature difference of ±3-5℃ in the local water body, seriously affecting the health of farmed fish. On the other hand, the existing breeding system has defects in fluid dynamics design, resulting in insufficient water power and being unable to effectively collect and discharge pollutants. SUMMARY

[0003] The present application provides an ecological circulation system for industrialized aquaculture to solve the technical problems of inconvenient maintenance, low temperature regulation precision, and insufficient pollution discharge efficiency of the existing breeding circulation system.

[0004] The present application provides an ecological circulation system for industrialized aquaculture, which comprises a circular breeding pond, the bottom of the circular breeding pond is provided with a drain port, and the bottom is inclined to the drain port; the bottom of the circular breeding pond is also provided with two water inlets, and the two water inlets are symmetrically arranged on the two sides of the drain port. Further comprising: a water storage tank is arranged at the water outlet end of the drain port; a purification tank is arranged adjacent to the water storage tank, and the water inlet side of the purification tank is connected with the water outlet side of the water storage tank; a temperature control device is connected with the purification tank and the circular breeding pond, respectively.

[0005] According to the ecological circulation system for industrialized aquaculture provided by the present application, further comprising: a drain pipe, one end of the drain pipe is detachably inserted into the drain port, and the drain pipe is arranged along the vertical direction; When the drain pipe is inserted into the drain port, the circular breeding pond is in water level control mode; when the drain pipe is disconnected from the drain port, the circular breeding pond is in full drainage mode.

[0006] According to the ecological circulation system for industrialized aquaculture provided by the present application, further comprising: a filter part is arranged at the end of the drain pipe away from the drain port.

[0007] The ecological circulation system for industrialized breeding provided by the present application further comprises: a water inlet pipe, one end of the water inlet pipe being connected with the water inlet, the other end of the water inlet pipe being closed, and the water inlet pipe being arranged along a vertical direction; water outlet holes being arranged at intervals along the length direction of the water inlet pipe; wherein the water inlet pipe is capable of rotating around its axis to adjust the orientation of the water outlet holes.

[0008] The ecological circulation system for industrialized breeding provided by the present application further comprises: a water return pipe, one end of the water return pipe being arranged in the purification tank, the other end of the water return pipe being connected with the temperature control device; a water pump arranged in the purification tank and connected with the other end of the water return pipe away from the temperature control device; an upper water pipe, one end of the upper water pipe being connected with the water inlet, the other end of the upper water pipe being connected with the temperature control device.

[0009] The ecological circulation system for industrialized breeding provided by the present application, the temperature control device comprises: a housing arranged at one side of the purification tank; a first interface arranged in the housing and connected with the water return pipe; a second interface arranged in the housing and connected with the upper water pipe; a semiconductor refrigeration part arranged inside the housing; a heating part arranged inside the housing.

[0010] The ecological circulation system for industrialized breeding provided by the present application further comprises: an anti-siphon part arranged between the second interface and the upper water pipe and adapted to prevent the tank water from flowing back to the temperature control device.

[0011] The ecological circulation system for industrialized breeding provided by the present application further comprises: a frame body, the frame body comprising at least a first platform and a second platform arranged at intervals along a vertical direction, the second platform being located at the lower side of the first platform; wherein the circular breeding tank is arranged on the first platform, and the water storage tank, the purification tank and the temperature control device are all arranged on the second platform.

[0012] The ecological circulation system for industrialized breeding provided by the present application, The water storage pool and the purification pool are separated by a partition plate, and the height of the partition plate is not more than half of the height of the water storage pool.

[0013] According to the ecological circulation system for industrialized aquaculture provided by the application, the system further comprises: A sensor unit is arranged in the purification pool.

[0014] The above one or more technical solutions provided by the application have at least the following beneficial technical effects: the aquaculture area, the water storage area, the purification area and the temperature control component are arranged separately and connected in series to form a circulation system, compared with the traditional design of integrating various modules in a circular aquaculture pool, the application has the advantage of convenient maintenance; two water inlets are arranged in the circular aquaculture pool, which optimizes the fluid dynamics design and facilitates rapid and effective collection of pollutants; the temperature control device is connected in series in the system, which improves the water temperature control accuracy, and through the circulation of water flow, the water temperature distribution can be balanced to avoid excessive fluctuation of the water temperature affecting the health of fish. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 is one of the schematic diagrams of the ecological circulation system for industrialized aquaculture provided by the embodiments of the application; Figure 2 is the second schematic diagram of the ecological circulation system for industrialized aquaculture provided by the embodiments of the application; Figure 3 is the third schematic diagram of the ecological circulation system for industrialized aquaculture provided by the embodiments of the application; Figure 4 is the fourth schematic diagram of the ecological circulation system for industrialized aquaculture provided by the embodiments of the application.

[0017] Reference signs: 1, circular aquaculture pool; 11, drain port; 12, water inlet; 13, drain pipe; 14, filter part; 15, water inlet pipe; 151, water outlet hole; 2, water storage pool; 3, purification pool; 4, temperature control device; 41, shell; 42, first interface; 43, second interface; 5, backwater pipe; 6, water pump; 7, water supply pipe; 8, frame; 81, first platform; 82, second platform; 9, partition plate. DETAILED DESCRIPTION

[0018] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below in conjunction with the accompanying drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0019] The technical solutions in the embodiments of the present application are described below in conjunction with Figures 1-4 The ecological circulating system for industrialized aquaculture in the embodiments of the present application is described.

[0020] As Figures 1-3 shown, the ecological circulating system for industrialized aquaculture in the embodiments of the present application comprises a circular breeding pond 1, and a drain port 11 is arranged at the bottom of the circular breeding pond 1, and the bottom of the circular breeding pond 1 is inclined to the drain port 11; two water inlets 12 are further arranged at the bottom of the circular breeding pond 1, and the two water inlets 12 are symmetrically arranged at two sides of the drain port 11; further comprising: a water storage pond 2, a purification pond 3 and a temperature control device 4; the water storage pond 2 is arranged at the water outlet end of the drain port 11; the purification pond 3 is arranged adjacent to the water storage pond 2, and the water inlet side of the purification pond 3 is connected with the water outlet side of the water storage pond 2; the temperature control device 4 is connected with the purification pond 3 and the circular breeding pond 1 respectively.

[0021] Specifically, in the present embodiment, the breeding area, the water storage area, the purification area and the temperature control component are separately arranged and connected in series to form a circulating system, compared with the traditional design that each module is integrated in the circular breeding pond 1, the present application has the advantage of convenient maintenance; two water inlets 12 are arranged at the circular breeding pond 1, which optimizes the fluid dynamics design and facilitates rapid and effective collection of pollutants; the temperature control device 4 is connected in series in the system, which improves the water temperature control accuracy, and balances the water temperature through circulation to avoid excessive fluctuation of the breeding water temperature affecting the health of fish.

[0022] It should be understood that the shape of the circular breeding pond 1 is an open-topped barrel-shaped pond body; the drain port 11 can not necessarily be arranged at the center of the bottom of the circular breeding pond 1, that is, the arrangement position of the drain port 11 is not specifically limited here, as long as the bottom of the circular breeding pond 1 is inclined from the edge to the drain port 11, which can achieve good pollution collection effect; in addition, the water inlets 12 are arranged at two sides of the drain port 11, which limits the general position of the water inlets 12, specifically, the water inlets 12 can be arranged close to the pool wall, so that when the two water inlets 12 simultaneously supply water, a better cyclone effect can be achieved, thereby improving the collection efficiency of pollutants at the bottom of the pond.

[0023] In some possible implementation manners, the pool wall of the circular breeding pool 1 is made of transparent tempered glass, so as to facilitate observation of the environmental condition in the pool and the state of the breeding organisms in the pool; the bottom of the circular breeding pool 1 is inclined at an angle of 5°-10°, preferably 8°, and the bottom of the circular breeding pool 1 is inclined at a structure such that the height difference between the pool bottom edge and the drain port 11 is at least 4 cm, so as to ensure that the pollutants can be smoothly collected to the drain port 11.

[0024] As shown in Figure 2 , the ecological circulation system for industrialized breeding provided by the embodiment of the present application further comprises: a backup drain hole, which is also arranged at the bottom of the circular breeding pool 1 and is directly connected to the outside of the system through a pipeline, and the backup drain hole is controlled by a valve, so that the sewage can be directly and quickly discharged when the circular breeding pool 1 is thoroughly cleaned.

[0025] As shown in Figures 1-3 , the ecological circulation system for industrialized breeding provided by the embodiment of the present application further comprises: a drain pipe 13, one end of which is detachably inserted into the drain port 11, and the drain pipe 13 is arranged in a vertical direction; wherein, when the drain pipe 13 is inserted into the drain port 11, the circular breeding pool 1 is in a water level control mode; and when the drain pipe 13 is disconnected from the drain port 11, the circular breeding pool 1 is in a full drainage mode.

[0026] It should be understood that the drain pipe 13 can include various models, and the lengths of the drain pipes 13 of different models are different, and the length of the drain pipe 13 corresponds to the water level elevation of the circular breeding pool 1, so that by using drain pipes 13 of different lengths, the purpose of controlling the water level of the circular breeding pool 1 is achieved.

[0027] As shown in Figure 3 , the ecological circulation system for industrialized breeding provided by the embodiment of the present application further comprises: a filter part 14, which is arranged at the end of the drain pipe 13 away from the drain port 11.

[0028] In some possible implementation manners, the filter part 14 is a cap body with holes, which is buckled at the end of the drain pipe 13 away from the drain port 11, so as to not only ensure that the water in the circular breeding pool 1 flows through the holes, but also prevent the blockage of the drain port 11 by blocking the bait, feces and other impurities outside the filter part 14; in addition, a filter screen can be installed at the opening of the drain pipe 13, which can collect the pollutants and facilitate data recording.

[0029] As shown in Figures 1-3As shown, an ecological cycle system for industrialized aquaculture provided according to an embodiment of the present invention further includes: a water inlet pipe 15, one end of which is connected to a water inlet 12, the other end of which is closed, and the water inlet pipe 15 is arranged in a vertical direction; water outlet holes 151 are provided at intervals along the length of the water inlet pipe 15; wherein, the water inlet pipe 15 is rotatable about its axial direction to adjust the orientation of the water outlet holes 151.

[0030] It should be understood that one end of the drain pipe 13 is connected to the inlet 12, and the other end is closed. Multiple outlet holes 151 are provided on the drain pipe 13 so that water can only be discharged through the outlet holes 151. Both drain pipes 13 can rotate around their axial direction, that is, the orientation of the outlet holes 151 can be adjusted to adjust the direction of water discharge. By adjusting the direction of water discharge of a single drain pipe 13 or two drain pipes 13, different water flow directions can be formed in the circular aquaculture pond 1, thereby promoting the formation of a strong vortex in the pond and pushing uneaten feed / feces to the drain outlet 11, which is convenient for discharge from the circular aquaculture pond 1 in the full drainage mode. In this way, fluid dynamics are optimized and the efficiency and effect of pollutant discharge are improved.

[0031] It should be understood that the efficiency and effectiveness of pollutant discharge are not only related to the water flow in the pool, but also to the diameter of the drain pipe 13, as well as the inlet flow rate and velocity. In some specific embodiments, experiments have shown that the larger the diameter of the drain pipe 13, the higher the pollutant removal rate. Specifically, when the inlet flow rate is 17.6 L / min, and there is only one inlet pipe 15, with an inlet angle of 45° (the angle between the orientation of the outlet hole 151 and the tangent to the wall of the circular aquaculture pool 1), the pollutant removal rate is 84.5%. When two inlet pipes 15 are installed, with both inlet angles of 45°, the pollutant removal rate is 96.1%. Therefore, under the same conditions, two inlet pipes 15 have a better pollutant collection effect than a single inlet pipe 15. Furthermore, since both inlet pipes 15 can rotate, the pollutant removal rate can also be obtained when the inlet angles of the two inlet pipes 15 are different, thus obtaining the optimal arrangement parameters.

[0032] like Figure 4 As shown, an ecological cycle system for industrialized aquaculture provided according to an embodiment of the present invention further includes: a return water pipe 5, a water pump 6, and a water supply pipe 7; one end of the return water pipe 5 is disposed in the purification tank 3, and the other end of the return water pipe 5 is connected to the temperature control device 4; the water pump 6 is disposed in the purification tank 3 and is connected to the end of the return water pipe 5 away from the temperature control device 4; one end of the water supply pipe 7 is connected to the water inlet 12, and the other end of the water supply pipe 7 is connected to the temperature control device 4.

[0033] It should be understood that the water in the circular culture pond 1 flows into the water storage pond 2 through the drain 11 via the drain pipe 13, and then enters the purification pond 3. The water purified by the purification pond 3 is pumped into the temperature control device 4 via the water return pipe 5 by the water pump 6. After the temperature control device 4 regulates the temperature of the purified water, the water is transported to the water inlet 12 via the water inlet pipe 7, and then is replenished to the circular culture pond 1, so as to realize the ecological purification and circulation of the breeding water.

[0034] As shown in Figure 4 The ecological circulation system for industrialized breeding provided by the embodiment of the present application comprises a temperature control device 4, which comprises a shell 41, a first interface 42, a second interface 43, a semiconductor refrigeration part, and a heating part. The shell 41 is arranged on one side of the purification pond 3. The first interface 42 is arranged on the shell 41, and the first interface 42 is connected with the water return pipe 5. The second interface 43 is arranged on the shell 41, and the second interface 43 is connected with the water inlet pipe 7. The semiconductor refrigeration part is arranged inside the shell 41. The heating part is arranged inside the shell 41.

[0035] In some possible embodiments, the shell 41 of the temperature control device 4 is subjected to anodic oxidation treatment of 6061-T6 aluminum alloy, and has a thickness of 1.5-2 mm. The high-temperature area is covered with a SUS310S stainless steel protective cover and a composite heat insulation layer (ceramic fiber board + aerogel felt). The surface of the shell 41 is coated with a tungsten carbide cobalt alloy and a nano coating prepared by a sol-gel method.

[0036] In some possible embodiments, the temperature control device 4 is integrated with a heat pump system to realize efficient refrigeration and heating functions, and can achieve a temperature control accuracy of ±0.5℃. The heat pump system comprises a compressor, a condenser, an expansion valve, and an evaporator, which are connected by pipelines to form a refrigerant circulation loop.

[0037] Specifically, the shell 41 is internally provided with a water-cooled heat exchanger, which is connected in series between the water return pipe 5 and the water inlet pipe 7 via the first interface 42 and the second interface 43. In the refrigeration mode, the breeding water flowing through the heat exchanger is taken as a cooling object, and transfers heat to the refrigerant in the evaporator, so as to realize temperature reduction. In the heating mode, the flow direction of the refrigerant is switched by a four-way valve, and the breeding water flowing through the heat exchanger is taken as a heating object, and absorbs the heat released by the refrigerant in the condenser, so as to realize temperature increase.

[0038] Preferably, the heat exchanger adopts a serpentine copper pipe structure, and the outer wall of the copper pipe is closely attached with flow guide fins, so as to significantly enhance the heat exchange efficiency between the heat exchanger and the breeding water. In addition, the temperature control device 4 can be integrated with an auxiliary PTC electric heating module, which is used to quickly supplement heat when the ambient temperature is extremely low, and ensures the heating efficiency.

[0039] The ecological circulation system for industrialized aquaculture provided by the embodiment of the present application further comprises an anti-siphon part arranged between the second interface 43 and the upper water pipe 7 and adapted to prevent the pond water from flowing back to the temperature control device 4.

[0040] In some possible embodiments, the anti-siphon part is a T-shaped tee reverse connection one-way valve, which forms a physical barrier to block the siphon circuit, thereby preventing the upper water pipe 7 from siphoning and causing the pond water to flow back into the temperature control device 4.

[0041] The ecological circulation system for industrialized aquaculture provided by the embodiment of the present application further comprises a safety protection module comprising an isolation transformer, a leakage protector, an insulation protection cover and an insulation heat conducting part.

[0042] It should be understood that the temperature control device 4 has three different modes of refrigeration, heating and automatic mode. In the automatic mode, the device automatically adopts the refrigeration or heating mode according to the temperature set by the user and the temperature of the aquaculture water, so that the water temperature reaches the target temperature. In terms of safety protection, the temperature control device 4 has anti-siphon power-off protection and leakage isolation protection. When the water pump 6 is detected to be abnormally stopped, the power supply is automatically cut off and emergency drainage is started to prevent siphon backflow from damaging the equipment. The leakage isolation technology adopts double insulation materials and grounding protection, and the leakage current is ≤10mA, which is far beyond the industry safety standard.

[0043] As shown in Figures 1-4 The ecological circulation system for industrialized aquaculture provided by the embodiment of the present application further comprises a frame body 8, which comprises at least a first platform 81 and a second platform 82 arranged vertically and spaced apart, and the second platform 82 is located on the lower side of the first platform 81. The circular breeding pond 1 is arranged on the first platform 81, and the water storage tank 2, the purification tank 3 and the temperature control device 4 are arranged on the second platform 82.

[0044] In some possible embodiments, the frame body 8 comprises a frame and a bottom plate, and the first platform 81 and the second platform 82 are both circular. The second platform 82 is divided into fan-shaped partitions, and the water storage tank 2, the purification tank 3 and the temperature control device 4 are arranged in the fan-shaped partitions respectively. The system parts are integrated on the frame body 8, which has high integration, reasonable structure design and saves space. The first platform 81 and the second platform 82 are connected through connecting columns, and the bottom surface of the second platform 82 is provided with universal wheels, which facilitates the movement of the frame body 8. Limiting parts are arranged on the universal wheels, which can lock and limit the universal wheels.

[0045] As shown in Figure 1 The ecological circulation system for industrialized aquaculture provided by the embodiment of the present application further comprises a frame body 8, which comprises at least a first platform 81 and a second platform 82 arranged vertically and spaced apart, and the second platform 82 is located on the lower side of the first platform 81. The circular breeding pond 1 is arranged on the first platform 81, and the water storage tank 2, the purification tank 3 and the temperature control device 4 are arranged on the second platform 82.

[0046] In some possible embodiments, the height of the partition 9 is preferably one third of the height of the purification tank 3; that is, when the water level of the water storage tank 2 reaches one third of the height, the water in the water storage tank 2 will overflow to the purification tank 3, and the water storage tank 2 plays a role of regulating water level and buffering.

[0047] According to the ecological circulation system for industrialized breeding provided by the embodiment of the present application, the purification tank 3 is further provided with a sensor unit.

[0048] In some possible embodiments, the sensor unit is provided with an ORP sensor for monitoring the oxidation-reduction potential.

[0049] It should be understood that the purification tank 3 is provided with a treatment part for purifying water quality, and the treatment part can adopt filter materials such as volcanic rock, activated carbon and gravel.

[0050] Further, in a specific embodiment of the present application: The circular breeding tank 1 mainly adopts ultra-white tempered glass material, with a radius of 50 cm, an inner wall height of 43.1 cm, an outer wall height of 42.0 cm, a design of low in the middle and high on the periphery, a middle height of 47.1 cm, and a slope design of 8 degrees. When the system is normally operated, the water level is 1 m 3 For the purpose of feeding 20 kg of fish in water, the feed feeding amount is calculated according to 2% of the fish body weight plus 1 / 3 of the residual feed amount, and according to Vcone=(1 / 3)πr 2 h, Vcylinder=πr 2 h, it can be obtained that when the water height of the circular breeding tank 1 is 35 cm, the volume of the circular breeding tank 1 is 0.28522 m 3 , 5.7 kg of grouper is bred, and 0.038 kg of feed is fed.

[0051] In addition, the shell 41 of the temperature control device 4 is made of corrosion-resistant lightweight 6061-T6 aluminum alloy (anodized), with a thickness of 1.5-2 mm, and is attached with a high-temperature zone protective cover SUS310S stainless steel and a composite thermal insulation layer (outer layer: ceramic fiber plate, inner layer: aerogel felt). Combined with tungsten-cobalt alloy and sol-gel method to prepare nano-coating technology to ensure the surface of the anti-corrosion and anti-fouling. The temperature control device 4 adopts a composite packaging structure of semiconductor refrigeration sheet (TEC) and PTC heating sheet to realize ±0.3℃ level precision temperature control, and realizes cold and hot double zone isolation design through the serpentine copper pipe and the flow guide fin.

[0052] Further, the water dynamic characteristics can be analyzed on the basis of the above parameters: In order to quantitatively describe and compare the water dynamic characteristics of the breeding tank under various operating conditions, two water dynamic quantities: average velocity (Vavg) and velocity uniformity coefficient (DU 50 ) are used to analyze the flow field.

[0053] (1) (2) Here, v is the weighted average velocity, u represents the velocity at the monitoring location (m / s), and n is the radial distance from the center of the circular culture pond 1 to the pond wall (m). The velocity distribution uniformity coefficient DU 50 quantifies the spatial flow uniformity in the circular culture pond 1; a DU 50 value close to 100% indicates an increase in the uniformity of the flow velocity distribution, v 50 represents the weighted average velocity (m / s) of the first 50% of the monitoring points, which is obtained by sorting the velocity data and applying a radial position weighting analysis.

[0054] Further, the corresponding water inflow velocity (v) and hydraulic retention time (HRT) are calculated step by step through the core formula. The core calculation process and formula are as follows: 1. Flow unit conversion: (According to: 1 L / min = 1 / 60000 m 3 / s) 2. Water inflow velocity calculation: (A = π × 10 -4 m 2 is the water inflow cross-sectional area) 3. Hydraulic retention time calculation: (V = 0.28522 m 3 is the effective volume)

[0055] It should be understood that in aquaculture, the flow pattern and water quality in the pond directly affect the survival and growth of the cultured objects. In actual production, due to the lack of rigorous scientific norms and standards, the existing culture pond hydrodynamic conditions are not ideal, the sewage collection and discharge effect is not good, the flow field and dissolved oxygen distribution are uneven, etc., which affects the healthy growth and welfare breeding of the cultured animals in the pond. Suitable water inflow velocity and hydraulic retention time can allow more time for solid waste materials (such as residual feed feces and hydrogen sulfide, etc.) in the water body to be decomposed or discharged from the system, reducing the toxic effects on the cultured fish, and being beneficial to the growth and health of the cultured fish.

[0056] According to the above calculation results, in the case of fixed volume of the culture pond, the water inflow rate is inversely proportional to the hydraulic retention time. For example, when the water inflow rate reaches 0.589 m / s, the hydraulic retention time is shortened to 25.7 minutes. This faster flow rate and shorter retention time means that the water body is replaced faster, which can more effectively flush and discharge the solid pollutants (such as fish feces and leftover feed) in the pond before sedimentation, thereby significantly improving the discharge efficiency of pollutants.

[0057] The device embodiments described above are only illustrative, wherein the units illustrated as separate components can or can not be physically separated, and the components illustrated as units can or can not be physical units, i.e., can be located in one place or distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An ecological circulation system for industrialized breeding, comprising a circular breeding pool (1), the pool bottom of the circular breeding pool (1) is provided with a drainage port (11), characterized in that, the pool bottom of the circular breeding pool (1) is inclined to the drainage port (11); the pool bottom of the circular breeding pool (1) is further provided with two water inlets (12), and the two water inlets (12) are symmetrically arranged on both sides of the drainage port (11); Further comprising: a water storage pool (2) arranged at the water outlet end of the drainage port (11); a purification pool (3) arranged adjacent to the water storage pool (2), and the water inlet side of the purification pool (3) is connected with the water outlet side of the water storage pool (2); a temperature control device (4) connected with the purification pool (3) and the circular breeding pool (1) respectively.

2. The ecological recycling system for industrialized farming according to claim 1, characterized in that, Further comprising: a drainage pipe (13) having one end detachably inserted into the drainage port (11), and the drainage pipe (13) is arranged in the vertical direction; wherein, when the drainage pipe (13) is inserted into the drainage port (11), the circular breeding pool (1) is in water level control mode; when the drainage pipe (13) is disconnected from the drainage port (11), the circular breeding pool (1) is in full drainage mode.

3. The ecological recycling system for industrialized farming according to claim 2, characterized in that, Further comprising: a filter part (14) arranged at one end of the drainage pipe (13) away from the drainage port (11).

4. The ecological recycling system for industrialized farming according to claim 1, characterized in that, Further comprising: a water inlet pipe (15) having one end connected with the water inlet (12) and the other end closed, and the water inlet pipe (15) is arranged in the vertical direction; water outlet holes (151) are arranged at intervals in the length direction of the water inlet pipe (15); wherein, the water inlet pipe (15) can rotate around its axis to adjust the orientation of the water outlet holes (151).

5. The ecological recycling system for industrialized farming according to any one of claims 1-4, characterized in that, Further comprising: a backwater pipe (5) having one end arranged in the purification pool (3) and the other end connected with the temperature control device (4); a water pump (6) arranged in the purification pool (3) and connected with one end of the backwater pipe (5) away from the temperature control device (4); an upper water pipe (7) having one end connected with the water inlet (12) and the other end connected with the temperature control device (4).

6. The ecological recycling system for industrialized farming according to claim 5, characterized in that, The temperature control device (4) comprises: a shell (41) arranged on one side of the purification pool (3); a first interface (42) arranged in the shell (41) and connected with the backwater pipe (5); a second interface (43) arranged in the shell (41) and connected with the upper water pipe (7); a semiconductor refrigeration part arranged inside the shell (41); a heating part arranged inside the shell (41).

7. The ecological recycling system for industrialized farming according to claim 6, characterized in that, Further comprising: an anti-siphon part arranged between the second interface (43) and the upper water pipe (7) to prevent pool water from flowing back to the temperature control device (4).

8. The ecological recycling system for industrialized breeding according to claim 5, characterized in that, Further comprising: A frame body (8) comprising at least a first platform (81) and a second platform (82) vertically spaced apart, the second platform (82) being located below the first platform (81); Wherein, the circular culture pond (1) is arranged on the first platform (81), and the water storage pond (2), the purification pond (3) and the temperature control device (4) are arranged on the second platform (82).

9. The ecological circulating system for industrialized culture according to any one of claims 1-4, characterized in that, The water storage pond (2) and the purification pond (3) are separated by a partition (9), and the height of the partition (9) is not more than one half of the height of the water storage pond (2).

10. The ecological recycling system for industrialized farming according to any one of claims 1-4, characterized in that, Further comprising: A sensor unit arranged in the purification pond (3).

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