阅读说明：本技术 一种基于物联网技术的智能渔业工业化养殖系统 (Intelligent fishery industrial aquaculture system based on Internet of things technology ) 是由 万立美 蔡建中 于 2019-08-23 设计创作，主要内容包括：本发明公开了一种基于物联网技术的智能渔业工业化养殖系统,包括蓄水池、净化池、输水管、增氧箱、消毒池、送水管、养殖池、沉淀物处理机构和循环机构,所述净化池开设在蓄水池的正下方,所述输水管的左侧与蓄水池的出水口可拆卸式安装,所述增氧箱的进水口与输水管的右端可拆卸式安装,所述消毒池开设在增氧箱的右边,所述送水管的左端与消毒池的出水口可拆卸式安装,所述养殖池等距离开设在消毒池的右边,所述沉淀物处理机构设置在养殖池的右边,所述循环机构设置在养殖池的左边,该基于物联网技术的智能渔业工业化养殖系统,通过降低水循环过程中沉淀物的含量,提高污水处理效率的同时,降低了在循环过程中水资源的流失量。(The invention discloses an intelligent fishery industrialized culture system based on the technology of the internet of things, which comprises a reservoir, a purification tank, a water delivery pipe, an oxygenation tank, a disinfection tank, a water delivery pipe, a culture tank, a precipitate treatment mechanism and a circulation mechanism, wherein the purification tank is arranged under the reservoir, the left side of the water delivery pipe is detachably arranged with the water outlet of the reservoir, the water inlet of the oxygenation tank is detachably arranged with the right end of the water delivery pipe, the disinfection tank is arranged on the right side of the oxygenation tank, the left end of the water delivery pipe is detachably arranged with the water outlet of the disinfection tank, the culture tanks are equidistantly arranged on the right side of the disinfection tank, the precipitate treatment mechanism is arranged on the right side of the culture tank, the circulation mechanism is arranged on the left side of the culture tank, and the intelligent fishery industrialized culture system based on the technology of the internet of things reduces the content of precipitates in the water circulation process, the efficiency of sewage treatment is improved, and the loss of water resources in the circulating process is reduced.)

1. the utility model provides an intelligence fishery industrialization farming systems based on internet of things, its characterized in that: comprises a reservoir (1), a purification tank (2), a water delivery pipe (3), an oxygenation box (4), a disinfection tank (5), a water delivery pipe (6), a culture tank (7), a sediment treatment mechanism (8) and a circulation mechanism (9), the purification tank (2) is arranged under the reservoir (1), the left side of the water pipe (3) is detachably arranged with the water outlet of the reservoir (1), the water inlet of the oxygen increasing box (4) is detachably arranged with the right end of the water pipe (3), the disinfection tank (5) is arranged on the right side of the oxygen increasing box (4), the left end of the water supply pipe (6) is detachably arranged with the water outlet of the disinfection tank (5), the cultivation pond (7) is equidistantly arranged on the right side of the disinfection pond (5), the sediment treatment mechanism (8) is arranged on the right side of the cultivation pond, and the circulation mechanism (9) is arranged on the left side of the cultivation pond (7).

2. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: the oxygenation box (4) comprises a box body (401), a side support (402), a top sealing cover (403), a spiral water channel (404) and torrent oxygenation pieces (405), the bottom of the box body (1) is placed on the ground, the side support (402) is installed at the top of the outer ring of the box body (1) through bolts at equal intervals, the outer wall of the top sealing cover (403) is installed on the side support (402) through bolts, the spiral water channel (404) is arranged on the inner wall of the box body (1), and the torrent oxygenation pieces (405) are arranged on the inner wall of the spiral water channel (404) at equal intervals.

3. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: modularization water course (501) are installed to the bottom equidistance of disinfection pond (5) inner wall, disinfection lamps and lanterns (502) are detachably installed to the top equidistance of disinfection pond (501) inner wall.

4. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: the sediment treatment mechanism (8) comprises a recovery tank (801), a sewage discharge pipe (802), a sewage discharge paddle (803), a bearing frame (804), a suspension platform (805), a water squeezing sheet (806), a compression movable plate (807) and a secondary return pipe (808), the recovery tank (801) is arranged on the right side of the culture tank (7), the left side of the sewage discharge pipe (802) is communicated with the culture tank, the sewage draining paddle (802) is arranged in the inner cavity of the sewage draining pipe (802), the bottom of the bearing frame (804) is detachably connected with the edge of the recovery tank (801) through bolts, the suspension table (805) is arranged on the bearing frame (804) in a lifting way, the water squeezing sheet (806) is fixedly connected with the inner wall of the recovery tank (801), the compression movable plate (807) is movably arranged at the bottom of the inner cavity of the recovery tank (801), the right side of the secondary return pipe (808) is detachably arranged with the water outlet of the recovery tank (801).

5. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: circulation mechanism (9) are including first return tube (901), setting tank (902), circulating pipe (903), division board (904) and strain heavy return tube (905), the detachable installation of the right side of first return tube (901) and the delivery port of breeding pond (7), the right side of setting tank (902) and the detachable installation in left side of first return tube (901), the right side of circulating pipe (903) and the detachable installation in left side of setting tank (902), the left side of division board (904) and the fixed welding in left side of setting tank (902) inner wall, strain the detachable installation in bottom of the bottom of heavy return tube (905) and the bottom of setting tank (902) inner wall.

6. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: PH value sensor (101) are installed to the inner chamber of cistern (1), turbidity sensor (201) are installed to the inner chamber setting of purification tank (2), breed the left side of pond (7) inner chamber and install liquid temperature sensor (701), breed the right side installation oxygen content sensor (702) of pond (7) inner chamber.

7. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 6, which is characterized in that: the output ends of the turbidity sensor (201), the PH value sensor (101), the liquid temperature sensor (701) and the oxygen content sensor (702) are all in wireless connection with the intelligent monitoring cloud platform.

8. the intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 1, characterized in that: the switch valve between the water storage tank (1) and the purification tank (2), the control valve between the water storage tank (1) and the oxygenation tank (4) and the control valve between the culture tank (7) and the purification tank (2) are all connected with the intelligent monitoring cloud platform in a wireless control mode.

9. The intelligent fishery industrial aquaculture system based on the technology of the internet of things according to claim 4, characterized in that: the two sides of the suspension platform (801) are tangent to the outer surface of the water squeezing sheet (806), and the limit position of the compression movable plate (807) is an inner cavity which is received into the water squeezing sheet (806).

Technical Field

The invention relates to the technical field of industrial aquaculture, in particular to an intelligent fishery industrial aquaculture system based on the technology of the Internet of things.

Background

The industrial circulating water culture is a modern fishery production system integrating an aquatic organism technology, an aquatic engineering technology, a belt information selection technology and a fishery operation management technology, provides an optimal growth environment for aquatic organisms through the functions of facilities and equipment, and carries out intensive, standardized and standardized modern production, the industrial circulating water culture is free from the constraint of the traditional aquaculture on the natural environment, and the high-density healthy culture of cultured aquatic products has the remarkable advantages of high yield, high quality, ecology, safety, energy conservation and emission reduction and the like through various technical means such as water temperature regulation, water quality filtration and sterilization, biomembrane degradation, comprehensive oxygenation, recycling, water quality online monitoring and the like, is a necessary way for the conversion of the rough aquaculture mode to the modern industrial aquaculture mode in China, and is a way for the oriented intensification of aquaculture, Scale and modernization are inevitable options.

At present, circulating water culture systems in China mainly comprise two types, one type is the upgrading of the traditional running water culture system, the structure is simpler, the manufacturing cost is lower, but the culture density and the circulating effect are relatively poorer; the other type of water treatment facilities with relatively complete functions has better water treatment capacity, along with the further refinement of aquaculture management technology, fishes and shrimps need to be cultured, water needs to be cultured firstly, the water quality control function in the culture becomes more and more important, a farmer needs a set of system to reduce or eliminate substances harmful to the culture in water, a circulating water system basically meets the requirements, the existing circulating water culture system is mainly closed, the culture environment is not limited by external water sources and climate, but the circulating water culture system has some serious problems, for example, when the aquatic product in each season is replaced, a large amount of water can be discharged along with solid pollutants at the bottom layer, and water vapor evaporated in the culture process is added, so the water circulation system needs to supplement water resources after each circulation period, the difference is only in the amount of the replenishing water resource.

disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an intelligent fishery industrialized aquaculture system based on the technology of the Internet of things, and solves the problem that the circulating water aquaculture system is too much in water resource loss and high in supplement frequency.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an intelligence fishery industrialization farming systems based on internet of things, includes cistern, purification tank, raceway, oxygenation case, disinfection pond, flow pipe, breed pond, precipitate processing mechanism and circulation mechanism, the purification tank is seted up under the cistern, the left side of raceway and the detachable installation of delivery port of cistern, the water inlet of oxygenation case and the detachable installation of right-hand member of raceway, the right at oxygenation case is seted up in the disinfection pond, the left end of flow pipe and the detachable installation of delivery port in disinfection pond, breed pond equidistance and leave the right of establishing at the disinfection pond, precipitate processing mechanism sets up the right at the breed pond, circulation mechanism sets up the left side at the breed pond.

Preferably, the oxygen increasing box comprises a box body, side supports, a top sealing cover, a spiral water channel and torrent oxygen increasing sheets, wherein the bottom of the box body is placed on the ground, the side supports are equidistantly arranged at the top of the outer ring of the box body through bolts, the outer wall of the top sealing cover is arranged on the side supports through bolts, the spiral water channel is arranged on the inner wall of the box body, the torrent oxygen increasing sheets are equidistantly arranged on the inner wall of the spiral water channel, a certain distance difference exists between the bottom of the top sealing cover and the top of the box body, mainly in order to enable more air to enter an inner cavity of the oxygen increasing box, each torrent oxygen increasing sheet can only torrefy part of water flow, but enough amount is equidistantly arranged, so that the torrent water flow can be guaranteed, and the oxygen content brought into the water flow is enough.

Preferably, the bottom equidistance of disinfection pond inner wall is installed the modularization water course, the detachable disinfection lamps and lanterns of installing of top equidistance of disinfection pond inner wall, the modularization water course is the one-to-one, mutual noninterference to the disinfection pond sets up after the oxygenation link, like this rivers after having contacted a large amount of air alright with carry out final disinfection, until entering into and breeding the pond in, can not receive the pollution, more safety ring protects, can also guarantee the safety of aquatic thing simultaneously.

Preferably, the sediment treatment mechanism comprises a recovery tank, a blow-off pipe, a blow-off paddle, a bearing frame, a suspension platform, a water squeezing sheet, a compression movable plate and a secondary return pipe, the recovery tank is arranged on the right side of the culture tank, the left side of the blow-off pipe is communicated with the culture tank, the blow-off paddle is arranged in an inner cavity of the blow-off pipe, the bottom of the bearing frame is detachably connected with the edge of the recovery tank through bolts, the suspension platform is arranged on the bearing frame in a lifting manner, the water squeezing sheet is fixedly connected with the inner wall of the recovery tank, the compression movable plate is arranged at the bottom of the inner cavity of the recovery tank, the right side of the secondary return pipe is detachably arranged with a water outlet of the recovery tank, the suspension platform and the compression movable plate are both controlled by a motor to act, and a plurality of holes are formed in the surface of the bending, the extruded water falls from the holes along the outer surface of the extrusion sheet while allowing the extruded sediment to be discharged in the form of a strip.

Preferably, the circulating mechanism comprises a first return pipe, a settling tank, a circulating pipe, a partition board and a filtering and sinking elbow pipe, the right side of the first return pipe is detachably mounted with a water outlet of the culture pond, the right side of the settling tank is detachably mounted with the left side of the first return pipe, the right side of the circulating pipe is detachably mounted with the left side of the settling tank, the left side of the partition board is fixedly welded with the left side of the inner wall of the settling tank, the bottom of the filtering and sinking elbow pipe is detachably mounted with the bottom of the inner wall of the settling tank, holes at two ends of the settling tank are positioned on the same horizontal plane, and openings with complete filtering and sinking are positioned on the same horizontal plane with openings at two sides, so that the impact of water flow can be reduced when discharging sewage, precipitates in the sewage can stay inside the filtering and sinking elbow pipe due to self gravity, the sediment is convenient to clean.

Preferably, a PH value sensor is installed in the inner cavity of the reservoir, a turbidity sensor is installed in the inner cavity of the purification tank, a liquid temperature sensor is installed on the left side of the inner cavity of the culture tank, and an oxygen content sensor is installed on the right side of the inner cavity of the culture tank.

Preferably, the output ends of the turbidity sensor, the pH value sensor, the liquid temperature sensor and the oxygen content sensor are all in wireless connection with the intelligent monitoring cloud platform.

Preferably, the switch valve between the water storage tank and the purification tank, the control valve between the water storage tank and the oxygen increasing box and the control valve between the culture tank and the purification tank are connected with the intelligent monitoring cloud platform in a wireless control mode, no matter which index is unqualified, the circulating water cannot enter the next flow, and each index data can also be transmitted to the receiving terminal through the signal transmission device.

Preferably, both sides of the suspension table are tangent to the outer surface of the wringing sheet, and the limit position of the compression movable plate is an inner cavity for accommodating and entering the wringing sheet.

(III) advantageous effects

the invention provides an intelligent fishery industrial aquaculture system based on the technology of the Internet of things. The method has the following beneficial effects:

(1) This intelligence fishery industrialization farming systems based on internet of things through the content that reduces the water cycle in-process precipitate, when improving sewage treatment efficiency, has reduced the loss of water resources in the cycle process, lets the environmental protection and the science more of water cycle aquaculture.

(2) This intelligent fishery industrialization farming systems based on internet of things adopts the breed water discharge cycle use mode of hierarchical formula, separates the breed water and the water-containing precipitate of simplicity step by step and discharges, reduces the water content of handling when the precipitate discharges on the one hand, avoids water loss too much, and on the other hand avoids a large amount of precipitates to flow along with the circulating water, reduces the later stage sewage treatment degree of difficulty.

(3) This intelligence fishery industrialization farming systems based on internet of things carries out recovery processing to the precipitate, through the mode of carrying out the fragmentary processing to the precipitate, not only can carry out the degree of depth with the water resource that the precipitate is inclusive and retrieve, increases the efficiency that water cycle used, more importantly smashes the convenient subsequent use that supplies the industrial chain with the knot or accumulational precipitate.

(4) This intelligence fishery industrialization farming systems based on internet of things, hydrologic cycle adopt the vortex state to shift and transport, when cooperating specific water course and flowing, has increased the oxygen content in the circulating water to reach the breed of more scientific with lower cost, thereby improve the economic benefits that aquatic thing was bred.

Drawings

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

FIG. 2 is a front cross-sectional view of the oxygen increasing box of the present invention;

FIG. 3 is a left side elevation view of the invention in its retracted position;

FIG. 4 is a schematic view of the inner cavity structure of the disinfection tank of the present invention;

FIG. 5 is a schematic view of the inner chamber structure of the settling tank of the present invention;

FIG. 6 is a flow chart of the cultivation system of the present invention.

In the figure: 1 water storage tank, 101 PH value sensor, 2 purification tank, 201 turbidity sensor, 3 water delivery pipe, 4 oxygenation tank, 401 box, 402 side support, 403 capping cover, 404 spiral water channel, 405 torrent oxygenation sheet, 5 disinfection tank, 501 modular water channel, 502 disinfection lamp, 6 water delivery pipe, 7 culture tank, 701 liquid temperature sensor, 702 oxygen content sensor, 8 precipitate processing mechanism, 801 recovery tank, 802 blow-down pipe, 803 blow-down paddle, 804 bearing frame, 805 suspension platform, 806 water squeezing sheet, 807 compression movable plate, 808 secondary reflux pipe, 9 circulation mechanism, 901 first reflux pipe, 902 sedimentation tank, 903 circulation pipe, 904 partition plate, 905 filtering and sinking elbow pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements or in a relationship wherein two elements interact with each other. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: an intelligent fishery industrial aquaculture system based on the technology of the Internet of things comprises a water storage tank 1, a purification tank 2, a water delivery pipe 3, an oxygenation box 4, a disinfection tank 5, a water delivery pipe 6, a culture tank 7, a precipitate processing mechanism 8 and a circulating mechanism 9, wherein a PH value sensor 101 is installed in an inner cavity of the water storage tank 1, a turbidity sensor 201 is installed in an inner cavity of the purification tank 2, a liquid temperature sensor 701 is installed on the left side of the inner cavity of the culture tank 7, an oxygen content sensor 702 is installed on the right side of the inner cavity of the culture tank 7, the output ends of the turbidity sensor 201, the PH value sensor 101, the liquid temperature sensor 701 and the oxygen content sensor 702 are all in wireless connection with an intelligent monitoring cloud platform, a switch valve between the water storage tank 1 and the purification tank 2, a control valve between the water storage tank 1 and the oxygenation box 4 and a control valve between the culture tank 7 and the purification tank 2 are all in, no matter which index is unqualified, the circulating water cannot enter the next flow, all index data can also pass through a signal transmission device to be sent to a receiving terminal, two sides of a suspension platform 801 are tangent to the outer surface of a water squeezing piece 806, the limit position of a compression movable plate 807 is an inner cavity for accommodating and entering the water squeezing piece 806, a purification tank 2 is arranged under a reservoir 1, the left side of a water conveying pipe 3 is detachably arranged with a water outlet of the reservoir 1, a water inlet of an oxygen increasing box 4 is detachably arranged with the right end of the water conveying pipe 3, a disinfection tank 5 is arranged on the right side of the oxygen increasing box 4, the left end of a water conveying pipe 6 is detachably arranged with a water outlet of the disinfection tank 5, breeding tanks 7 are equidistantly arranged on the right side of the disinfection tank 5, a sediment treatment mechanism 8 is arranged on the right side of the breeding tanks, a circulating mechanism 9 is arranged on the left side of the breeding tanks 7, the oxygen increasing box 4 comprises a box body 401, side supports 402, a capping cover 403, a spiral water channel 404 and torrent oxygen increasing sheets 405, wherein the bottom of the box body 1 is placed on the ground, the side supports 402 are equidistantly arranged on the top of the outer ring of the box body 1 through bolts, the outer wall of the capping cover 403 is arranged on the side supports 402 through bolts, the spiral water channel 404 is arranged on the inner wall of the box body 1, the torrent oxygen increasing sheets 405 are equidistantly arranged on the inner wall of the spiral water channel 404, a certain distance difference exists between the bottom of the capping cover 403 and the top of the box body 401, mainly in order to enable more air to enter the inner cavity of the oxygen increasing box 4, each torrent oxygen increasing sheet 405 only can torrefy part of water flow, but enough quantity is equidistantly arranged, the torrent water flow can be ensured, namely, the oxygen content in the water flow is enough, modular water channels 501 are arranged at the bottom of the inner wall of the disinfection pool, the disinfection lamp 502 is detachably installed on the top of the inner wall of the disinfection tank 501 at equal intervals, the modularized water channels 501 are in one-to-one correspondence and do not interfere with each other, and the disinfection tank is arranged after the oxygenation link, so that the water flow after contacting with a large amount of air can be finally disinfected until entering the culture tank 7, the disinfection tank is not polluted, and is safer and more environment-friendly, and the safety of aquatic organisms can be ensured simultaneously, the precipitate processing mechanism 8 comprises a recovery tank 801, a sewage discharge pipe 802, a sewage discharge paddle 803, a bearing frame 804, a hanging table 805, a water squeezing sheet 806, a compression movable plate 807 and a secondary return pipe 808, the recovery tank 801 is arranged on the right side of the culture tank 7, the left side of the sewage discharge pipe 802 is communicated with the culture tank, the sewage discharge paddle 802 is arranged in the inner cavity of the sewage discharge pipe 802, the bottom of the bearing frame 804 is, the hanging table 805 is arranged on the bearing frame 804 in a lifting manner, the water squeezing sheets 806 are fixedly connected with the inner wall of the recovery tank 801, the compression movable plate 807 is movably arranged at the bottom of the inner cavity of the recovery tank 801, the right side of the secondary return pipe 808 is detachably arranged with the water outlet of the recovery tank 801, the hanging table 805 and the compression movable plate 807 are controlled by a motor to act, a plurality of holes are formed in the surface of the bent part of the water squeezing sheets 806 at equal intervals, extruded sediments are discharged in a strip shape, simultaneously, the extruded water falls along the outer surface of the water squeezing sheets 806 from the holes, the circulating mechanism 9 comprises a first return pipe 901, a settling tank 902, a circulating pipe 903, a partition plate 904 and a filtering and sinking bent pipe 905, the right side of the first return pipe 901 is detachably arranged with the water outlet of the culture tank 7, the right side of the settling tank 902 is detachably arranged with the left side of the first return pipe, the right side of circulating pipe 903 and the detachable installation in left side of settling tank 902, the left side of partition board 904 and the left side fixed weld of settling tank 902 inner wall, the bottom of straining heavy return bend 905 and the detachable installation in bottom of settling tank 902 inner wall, the hole at settling tank 902 both ends is in on the same horizontal plane, and strain heavy opening 905 completely and be in the same horizontal plane with the opening of both sides, can reduce the impact of rivers when arranging sewage like this, the precipitate in the sewage just can be because self gravity stops inside straining heavy return bend 905, wherein strain the bottom of heavy pipe 905 and need set up the switch, the convenience is cleared up the precipitate.

When the intelligent fishery industrialized aquaculture system based on the internet of things works, aquaculture water is filled into the water storage tank 1, then the water in the water storage tank 1 is conveyed to the inner cavity of the oxygenation box 4 through the water conveying pipe 3 through equipment such as a water pump, the water flow has an initial speed when entering the inner cavity of the box body 401, and moves downwards spirally along the inner cavity of the spiral water channel 404 when entering the inner cavity of the spiral water channel 404, when the water flow meets the torrent oxygenation pieces 405, part of the water flow collides with the outer side of the spiral water channel 404 and splashes, at the moment, the water flow can be fully contacted with air and carries oxygen to be converged with the water flow again, then the water flow is discharged from the outlet and enters the inner cavity of the disinfection pond 5, the water flow along each modular water channel 501, the ultraviolet rays of the disinfection lamp 502 carry out uninterrupted disinfection on flowing water, and finally the water flow is discharged to the inner cavity of the aquaculture pond 7 through the water conveying, after the culture period is completed and aquatic organisms in the inner cavity are fished out, firstly, a valve of the circulating mechanism 9 is opened, the culture water flows out along the first return pipe 901 and enters the inner cavity of the settling tank 902, at the moment, the water flow firstly fills the filtering and settling elbow 905 and then continues pumping water, the water flow firstly stops on the partition 904 directly due to the shielding of the partition 904, then the water in the inner cavity of the filtering and settling elbow 905 is discharged from the other end to enter the inner cavity of the purification tank 1 due to the gravity of the circulating water, after the circulating water is drained completely, the sediment treatment mechanism 8 is started, sediment in the culture tank 7 directly enters the inner cavity of the drain pipe 802, the sediment is collected and enters the inner cavity of the recovery tank 801 for temporary storage by the drain paddle 803 through the driving of an external motor, then the compression movable plate 807 is driven to move towards two sides by the motor, the movable compression plate 807 pushes and extrudes the sediment to approach the water squeezing sheets 806, the sediment is squeezed into strips from the holes on the water squeezing sheets 806 after being extruded and directly falls on the hanging table 805, the water of the residual large materials of the sediment can be separated from the large materials during extrusion and returns to the purification tank 2 through the secondary return pipe 808, and after circulating water is purified, a valve between the water storage tank 1 and the purification tank 2 is opened to enter the next breeding period.

The above-mentioned is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art who is within the technical scope of the present invention disclosed herein should be covered by the protection scope of the present invention by replacing or changing the technical scheme and the inventive concept thereof according to the present invention.