CN215012708U - Circulating water fish culture device integrating culture, tail water treatment and recycling - Google Patents

Circulating water fish culture device integrating culture, tail water treatment and recycling Download PDF

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Publication number
CN215012708U
CN215012708U CN202120822461.2U CN202120822461U CN215012708U CN 215012708 U CN215012708 U CN 215012708U CN 202120822461 U CN202120822461 U CN 202120822461U CN 215012708 U CN215012708 U CN 215012708U
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water
fish
fish culture
culture tank
water body
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朱联东
李天瑞
尹志红
胡丹
褚若愚
李卓
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Wuhan University WHU
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Wuhan University WHU
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60—Fishing; Aquaculture; Aquafarming

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Abstract

The utility model discloses a circulating water fish culture device integrating culture, tail water treatment and recycling, which comprises a fish culture tank and a water body purification unit. The system enables water in the fish tank and the water body purification device to circularly flow through the hydraulic lifting device, so that the water resource utilization rate of the circulating water fish culture is improved; the water inlet pipe is arranged at the bottom of the fish tank, so that water flows into the fish tank in a bottom flushing mode, the utilization rate of bait is improved, and precipitation is reduced; the fishing net is used for fishing the fish school with a specific size through the tubular motor, the lead screw and the fishing net, so that the manual labor is saved, and the fishing efficiency is improved; the artificial floating island is arranged in the water body purification device, so that nitrogen, phosphorus and organic matters in the aquaculture wastewater are removed; through setting up the manure collection device, collect the surplus bait and breed excrement and urine that flow out from breeding the fish tank. Compared with the traditional culture mode, the method has the characteristics of water saving, land saving, high density intensification and controllable discharge.

Description

Circulating water fish culture device integrating culture, tail water treatment and recycling
Technical Field
The utility model relates to an aquaculture field, concretely relates to collect breed, tail water treatment and retrieval and utilization circulating water device of breeding fish as an organic whole.
Background
In China, the aquaculture industry makes outstanding contributions in the aspects of ensuring the supply of high-quality animal protein, reducing the utilization strength of aquatic organism resources in natural water areas, promoting the flourishing of the fishery industry, having rich fisherman lives and the like. The development of aquaculture industry has achieved tremendous achievements from low-density and extensive culture mode to intensive and industrial culture mode with high investment, high density and high output under the guidance of development guidelines of 'mainly breeding' in fishery law. According to the data of the Ministry of agricultural in rural areas of China, the total output of aquaculture in China exceeds 5000 ten thousand tons in 2018, which accounts for more than 78% of the total output of aquatic products in China, and is the only major fishery country in the world where the total amount of aquaculture aquatic products exceeds the total amount of fishing.
With the increasing market demand and the development of aquaculture industry scale and technology, the industry mode gradually changes to high-density intensive culture. In order to obtain larger yield, a large amount of bait, fertilizer and other input products are used in the culture process, but the bait, the fertilizer and other input products cannot be completely ingested by culture products, and most of the bait, the fertilizer and other input products are mostly ingested by the culture productsThe fractions are discharged to the environment. The residual bait and the excrement of the culture body can release inorganic dissolved N (NH)+3)、P(PO3 －4) And organic dissolved N (DON), P (DOP), the nutrient elements in the two forms can directly enter the water environment, the organic granular N, P is precipitated to the water bottom in the forms of residual baits and excrement to form sediments, and N, P elements in the sediments can enter the water body again through mineralization and decomposition, thereby causing the eutrophication of the aquaculture water body.
The mode of catching is bred at present and is adopted artifical fishing net to catch, but the mesh size of fishing net is fixed unchangeable, is not convenient for catch the shoal of fish of equidimension not, needs the manual work to operate simultaneously, and fishing net catches intensity of labour big, and the time length and the efficiency that consume are not high, need rationally improve breed and catch efficiency. Researches show that in the culture process, the capital proportion of the input bait exceeds 60 percent of the total fish culture cost, so that the improvement of the utilization rate of the bait and the reduction of the bait coefficient are very important for reducing the culture cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a circulating water aquaculture device, a collection is bred, tail water treatment and retrieval and utilization circulating water device of breeding as an organic whole promptly to solve the bait utilization ratio that proposes among the above-mentioned background art not enough, the inconvenient regulation of fishing net size and breed waste water treatment and retrieval and utilization problem.
In order to achieve the above purpose, the utility model provides a collect breed, tail water treatment and retrieval and utilization circulating water fish culture device as an organic whole, its characterized in that: comprises a fish culture tank and a water body purification unit;
the water body purification unit is connected with the fish culture tank through a pipeline; the water body purification unit is arranged below the water outlet of the fish tank; the fish culture tank is communicated with the water body purification unit through a plurality of water pipes, and the porous water inlet pipe at the inlet of the fish culture tank is arranged at the bottom of the fish culture tank, so that water at the bottom of the fish culture tank is impacted to form bottom flushing flow when the water flows out of the outlet end of the water body purification unit;
a fishing device is arranged in the fish tank; the fishing device comprises a fishing net, a plurality of first screw rods, a plurality of second screw rods, a first tubular motor, a second tubular motor and a control panel, and the fishing net is lifted through the joint work of the first screw rods and the second screw rods so as to fish a fish school;
a motor is fixedly installed on the right side of the top end of the fish culture tank, and the output end of the motor is fixedly welded with the first screw rod; a group of nuts are sleeved on the surface of the first screw rod, and the back of the left side of each nut is installed on the first tubular motor through a bearing seat; the fishing net is wrapped on the surface of the first tubular motor, and the inner part of the left side of the fishing net is wrapped with the second tubular motor; the positive end and the negative end of the second tubular motor are connected with another group of nuts through a bearing seat; the inner part of the other group of nuts is sleeved with the second screw rod, and two ends of the second screw rod are arranged in the fish tank through bearing seats; the surface of the bottom end of the first screw rod is welded with a first belt pulley, and one end of a connecting belt is sleeved on the surface of the first belt pulley; a second belt pulley is wrapped inside the other end of the connecting belt, and the top end of the second belt pulley is fixedly connected with a second screw rod; the control panel is arranged at the top end of the right side of the fish culture tank, and limiting rods are fixed on two sides of the inside of the fish culture tank.
According to the preferable scheme, the water body purification unit consists of a rectangular cubic water body purification device and a manure collection device with the lower end in a triangular prism shape, an ultraviolet disinfection device and an artificial floating island technology are selected as purification technologies, aquatic plants are used as a main body, high polymer materials are used as carriers and substrates, and the technical principle of soilless culture is applied; the ultraviolet disinfection device is arranged at the front end of a water inlet of the water body water purification device; the water body water purifying device is connected with the fish culture tank through a pipeline and is combined with the manure collecting device to form the water body water purifying device; the manure collecting device is arranged below the water body purifying device and is used for collecting the excessive bait and the cultivation manure flowing out of the fish tank; the bottom of the manure collecting device is provided with a drain outlet, and a drain valve is arranged on the drain outlet.
Furthermore, the baffle plate device is arranged at the junction of the artificial floating island and the manure collecting device and on one side close to the water inlet of the water body purifying device, and the baffle plate is lowered by the pulley during working so as to separate the water body purifying device from the manure collecting device, so that the manure collecting device discharges manure.
Furthermore, a circulating water pump is further arranged and lifts water flowing out of the water body purification device to the fish culture tank, so that water body circulation flowing between the fish culture tank and the water body purification device is realized.
Furthermore, the first screw rods and the second screw rods in the fish culture tank are arranged in two groups, the two groups of first screw rods are symmetrically distributed along the horizontal central axis of the fish culture tank, and the two groups of second screw rods are symmetrically distributed along the horizontal central axis of the fish culture tank; the inner wall of the screw nut is provided with an internal thread, and the internal thread of the inner wall of the screw nut is matched with the external thread on the surface of the second screw rod for use.
Furthermore, the fishing net arranged in the fish tank is of a net structure, and the size of meshes of the fishing net is reduced from left to right in sequence.
Furthermore, a fish outlet is arranged above one side of the fish culture tank communicated with the water body purification device and is used for temporarily placing fish school lifted by the fishing net; and an anti-jumping net rack is also arranged above the fish culturing tank to prevent fishes from jumping out when fishing the fish school.
Furthermore, the manure collecting device is also provided with a photoelectric sensor, when the manure collected in the manure collecting device is enough to shield light to a set value, the photoelectric sensor is triggered, the sensor automatically controls the baffle to operate, the baffle is put down, and a drain valve on a drain outlet at the bottom is opened to drain the manure.
Furthermore, the sewage draining outlet is also provided with a sewage sucking device to ensure that the sewage is sucked by the manure collecting device without interfering with the upper water body.
The technical scheme of the utility model design thinking:
1. circulating water culture device with bottom flushing mode water inlet
An automatic bait feeder is arranged in the fish tank for feeding at regular time and quantity. At present, researches show that in the culture process, the capital specific gravity of the input bait exceeds 60 percent of the total fish culture cost, so the utilization rate of the bait is improved, the bait coefficient is very important to reducing the culture cost, the outlet end of the water inlet pipe is arranged at the bottom of the fish culture tank, the water body can flow to the fish culture tank in a bottom flushing mode, the formation of sediments in the water body of the fish culture tank is prevented, the bait can float, and the utilization rate of the bait is improved.
2. Circulating water culture device capable of fishing specific-size fish shoal
The mode of catching is bred at present and is adopted artifical fishing net to catch, but the mesh size of fishing net is fixed unchangeable, is not convenient for catch the shoal of fish of equidimension not, needs the manual work to operate simultaneously, and fishing net catches intensity of labour big, and the time that consumes is long and efficiency is not high. Compared with the prior art, the fishing device of the recirculating aquaculture device is provided with the tubular motor and the fishing net with the size distribution, fish schools with specific sizes can be fished as required, the fishing efficiency is improved, the labor intensity of workers is reduced through the installation of the first lead screw and the second lead screw, and the time consumed by fishing is reduced.
3. But manure collection device of automatic collection and discharge cultivation manure
The artificial floating island is used for collecting surplus bait and culture excrement flowing out of the fish culture tank, a baffle is arranged between the artificial floating island and the excrement and excrement collection device, the size of the baffle is designed to be consistent with that of the bottom surface of the water purification rectangular device, the water purification device and the excrement and excrement collection device are just separated into two non-circulating areas when the baffle is put down, and when the device does not discharge mud, the baffle is kept close to one surface of the water purification device, so that the excrement and excrement falls into an excrement and excrement collection area under the self gravity; and a photoelectric sensor is arranged in the manure collecting area, when enough manure is collected by the triangular prism part and light is shielded to a set value, the photoelectric sensor is triggered, the baffle plate is put down, and a bottom sewage outlet is opened to discharge the manure. And when necessary, the sewage draining outlet can be provided with sewage sucking equipment, so that sewage is sucked at the cone part of the fish tank, and the upper water body is not interfered.
4. Develops a circulating water fish culture device integrating culture, tail water treatment and recycling.
The utility model has the advantages and beneficial effects as follows:
the utility model discloses the key of technique lies in adopting advanced cultivation technique, adopts circulating water and artifical chinampa sewage treatment technique, collects environmental protection, water conservation, high yield in an organic whole. The technical key lies in researching and developing an integrated device for the ecological breeding of the connected tail water treatment and the controlled container circulating water green ecological breeding and a system thereof. Comprises an automatic fish-farming system, a feces collection system and a circulating water recycling system. Advanced automation system and standardized operation standard flow are adopted to carry out multidirectional management and monitoring on aquaculture water environment (temperature, dissolved oxygen and ammonia nitrogen content), bait casting and tail water treatment. The circulating water culture technology is adopted to purify and treat culture tail water, water pollution is strictly controlled, healthy aquatic products are cultured, and non-point source pollution of rural breeding is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
In the figure: 1. an ultraviolet disinfection device; 2. an aerator; 3. a first lead screw; 4. a first tubular motor; 5. a porous water inlet pipe; 6. a fish tank; 7. a fishing net; 8. a blowoff valve; 9. a photoelectric sensor; 10. a baffle plate; 11. a fish outlet; 12. a jump-proof net rack; 13. a water circulating pump; 14. a second lead screw; 15. a second tubular motor; 16. artificial floating islands; 17. a water body purification device; 18. a manure collection device; 19. a control panel.
Detailed Description
The technical solution in the embodiment of the present invention will be further described with reference to the drawings in the drawings of the embodiment of the present invention.
As shown in figure 1, the circulating water culture device comprises a fish culture tank 6, a water body purification device 17 and a manure collection device 18. A fishing device is arranged in the fish tank 6 and comprises a fishing net 7, a first screw rod 3, a second screw rod 14, a first tubular motor 4, a second tubular motor 15 and a control panel 19 which are designed to be distributed in size.
When fishing is needed, the corresponding mesh size is selected according to the size of the fish to be fished, the control panel is operated to control the first tubular motor 4 and the second tubular motor 15 to work, and the first tubular motor 4 and the second tubular motor 15 rotate. When a large mesh is needed, the fishing net 7 moves to the right and rolls on the surface of the second tubular motor 15, and the fishing net with a large mesh on the left side extends from the surface of the first tubular motor 4, so that the fishing net 7 is a mesh with a proper size; when a small mesh is required, the fishing net 7 is rolled to the left on the surface of the first tubular motor, and the fishing net with the small mesh on the right is stretched from the surface of the second tubular motor 15, so that the fishing net is a mesh with a proper size. After the mesh sizes are adjusted, the control panel 19 is operated again to enable the two groups of motors to work, the motors drive the second screw rods 14 to rotate through the transmission shafts, the second screw rods 14 rotate to drive the screw nuts to move upwards through threads on the surfaces of the second screw rods 14 and the inner walls of the screw nuts, the other group of motors drive the other group of first screw rods 3 and the second screw rods 14 to rotate simultaneously, the two groups of screw nuts drive the fishing nets to move upwards slowly, small fish groups are left on the surfaces of the fishing nets 7 from the midstream of the meshes of the fishing nets, the fish groups with the sizes are matched, when the screw nuts and the fishing nets move to the top ends of the first screw rods and the second screw rods, proper inclination angles are presented, the fish groups are convenient to fish, and the anti-jumping net racks 12 are further arranged above each fish culture tank to prevent fish from jumping out when the fish groups are fished.
The water body purification device is composed of a rectangular cubic water body purification device 17 and a manure collection device 18, the lower end of the water body purification device is a triangular prism, the purification process selects an ultraviolet disinfection device 1 and an artificial floating island 16, and the ultraviolet disinfection device is arranged at the front end of a water inlet.
A manure collecting device 18 is arranged below the water body purifying device 17 and is used for collecting surplus bait and culture manure flowing out of the fish tank 6, a baffle plate 10 is arranged between the artificial floating island 16 and the manure collecting device 18, the size of the baffle plate is designed to be consistent with that of the bottom surface of the water purifying rectangular device, the water purifying device 17 and the manure collecting device 18 are just separated into two non-circulating areas when the baffle plate is put down, and when the artificial floating island 16 and the manure collecting device 18 do not discharge mud, the baffle plate 10 is kept close to one surface of the water purifying device 18, so that the manure falls into the manure collecting area 18 under the self gravity; and a photoelectric sensor 9 is arranged in the manure collecting area, when enough manure is collected by the triangular pyramid part and the light is shielded to a set value, the photoelectric sensor 9 is triggered, the baffle plate 10 is put down, and the bottom sewage outlet 8 is opened to discharge the manure. If necessary, the sewage draining exit can be provided with a sewage sucking device to ensure that the sewage is sucked at the triangular pyramid part 18 of the manure collecting device without interfering with the upper water body.
The specific embodiments of the present invention described are merely illustrative of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a collect breed, tail water treatment and retrieval and utilization circulating water fish culture device as an organic whole which characterized in that: comprises a fish culture tank (6) and a water body purification unit;
the water body purification unit is connected with the fish culture tank (6) through a pipeline; the water body purification unit is arranged below the water outlet of the fish culture tank (6); the fish culture tank (6) is communicated with the water body purification unit through a plurality of water pipes, and a porous water inlet pipe at the inlet of the fish culture tank (6) is arranged at the bottom of the fish culture tank (6), so that water at the bottom of the fish culture tank (6) is impacted to form bottom flushing flow when the water flows out of the outlet end of the water body purification unit;
a fishing device is arranged in the fish culture tank (6); the fishing device comprises a fishing net (7), a plurality of first screw rods (3), a plurality of second screw rods (14), a first tubular motor (4), a second tubular motor (15) and a control panel (19), and the fishing net (7) is lifted through the joint work of the first screw rods (3) and the second screw rods (14) so as to fish a fish group;
a motor is fixedly arranged on the right side of the top end of the fish culture tank (6), and the output end of the motor is fixedly welded with the first screw rod (3); a group of nuts are sleeved on the surface of the first screw rod (3), and the back of the left side of each nut is installed on the first tubular motor (4) through a bearing seat; the fishing net (7) is wrapped on the surface of the first tubular motor (4), and the left side of the fishing net (7) is wrapped with the second tubular motor (15); the positive end and the negative end of the second tubular motor (15) are connected with another group of nuts through a bearing seat; the interior of the other group of the screw nuts is sleeved with a second screw rod (14), and two ends of the second screw rod (14) are arranged in the fish culture tank (6) through bearing seats; a first belt pulley is welded on the surface of the bottom end of the first screw rod (3), and one end of a connecting belt is sleeved on the surface of the first belt pulley; a second belt pulley is wrapped inside the other end of the connecting belt, and the top end of the second belt pulley is fixedly connected with a second screw rod (14); the control panel (19) is arranged at the top end of the right side of the fish culture tank (6), and limiting rods are fixed on two sides of the inside of the fish culture tank (6).
2. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 1, characterized in that: the water body purification unit consists of a rectangular cubic water body purification device (17) and a manure collection device (18) with the lower end in a triangular prism shape, the purification process selects an ultraviolet disinfection device (1) and an artificial floating island (16) technology, takes aquatic plants as a main body, takes high polymer materials as a carrier and a matrix, and applies the technical principle of soilless culture; the ultraviolet disinfection device (1) is arranged at the front end of a water inlet of the water body water purification device (17); the water body water purifying device (17) is connected with the fish culture tank (6) through a pipeline and is combined with the manure collecting device (18) to form the water body water purifying device; the manure collecting device (18) is arranged below the water body purifying device (17) and is used for collecting surplus bait and cultivation manure flowing out of the fish tank (6); and a sewage draining outlet is formed in the bottom of the manure collecting device (18), and a sewage draining valve (8) is arranged on the sewage draining outlet.
3. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 2, characterized in that: still be equipped with baffle (10), baffle (10) device is on the juncture of artificial floating island (16) and manure collection device (18) and be close to water purification device (17) one side of intaking, and baffle (10) during operation is fallen by the pulley and is in order to realize water purification device (17) and manure collection device's (18) regional separation to realize manure collection device (18) and discharge the manure.
4. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 3, characterized in that: the water circulating device is also provided with a water circulating pump (13), and the water flowing out of the water body purification device (17) is lifted to the fish culture tank (6) by the water circulating pump (13), so that the water body between the fish culture tank (6) and the water body purification device (17) flows circularly.
5. The circulating water fish culture device integrating culture, tail water treatment and reuse according to any one of claims 1 to 4, characterized in that: the first screw rods (3) and the second screw rods (14) in the fish culture tank (6) are arranged in two groups, the two groups of first screw rods (3) are symmetrically distributed along the horizontal central axis of the fish culture tank (6), and the two groups of second screw rods (14) are symmetrically distributed along the horizontal central axis of the fish culture tank (6); the inner wall of the screw nut is provided with internal threads, and the internal threads on the inner wall of the screw nut are matched with the external threads on the surface of the second screw rod (14) for use.
6. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 5, characterized in that: the fishing net (7) arranged in the fish culture tank (6) is of a net structure, and the sizes of meshes of the fishing net (7) are sequentially reduced from left to right.
7. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 6, characterized in that: a fish outlet (11) is arranged above one side of the fish culture tank (6) communicated with the water body purification device and is used for temporarily placing fish school lifted by the fishing net (7); an anti-jumping net rack (12) is arranged above the fish culture tank (6) to prevent fishes from jumping out when fishing fish.
8. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to claim 7, characterized in that: the manure collecting device (18) is also provided with a photoelectric sensor (9), when enough manure is collected in the manure collecting device (18) and light is shielded to a set value, the photoelectric sensor (9) is triggered, the baffle (10) is automatically controlled by the sensor to operate, the baffle (10) is put down, and a drain valve (8) on a bottom drain outlet is opened to drain the manure.
9. The circulating water fish culture device integrating culture, tail water treatment and recycling as a whole according to any one of claims 6 to 8, characterized in that: the sewage draining exit is also provided with a sewage sucking device to ensure that the sewage is sucked by the manure collecting device (18) without interfering with the upper water body.
CN202120822461.2U 2021-04-21 2021-04-21 Circulating water fish culture device integrating culture, tail water treatment and recycling Active CN215012708U (en)

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CN202120822461.2U CN215012708U (en) 2021-04-21 2021-04-21 Circulating water fish culture device integrating culture, tail water treatment and recycling

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115568439A (en) * 2022-11-08 2023-01-06 中国水产科学研究院渔业工程研究所 Fish and vegetable symbiotic locking circulating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115568439A (en) * 2022-11-08 2023-01-06 中国水产科学研究院渔业工程研究所 Fish and vegetable symbiotic locking circulating device
CN115568439B (en) * 2022-11-08 2023-11-10 中国水产科学研究院渔业工程研究所 Fish and vegetable symbiotic locking circulation device

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