Water circulation and oxygenation integrated device for gymnocypris przewalskii parent fish temporary rearing pond

Abstract

The utility model discloses a water circulation and oxygenation integrated device for a gymnocypris przewalskii parent fish temporary rearing pond, and belongs to the technical field of aquaculture equipment. The device comprises an annular pool body, a filtering part and an oxygenation system, and the annular pool body forms continuous circulation by simulating natural river water flow, eliminates a stagnant water area and adapts to the migration habit of the gymnocypris przewalskii; the filtering part is composed of a first filtering tank, a second filtering tank, a protein separator, a micro-filtering tank and a clean water tank which are connected in series in a multi-stage manner, and particulate matters, dissolved organic matters and ammonia nitrogen pollutants are efficiently removed through gradient interception, adsorption and dynamic micro-filtration; the oxygenation system integrates water distribution pipe jet oxygenation and aeration pipe diffusion oxygenation, and realizes uniform distribution of dissolved oxygen in combination with water flow circulation driven by a circulating pump. According to the device, through the integrated design of an annular structure, multi-stage collaborative filtering and oxygenation circulation, the problems that a traditional breeding system is not thorough in water quality purification, uneven in dissolved oxygen, poor in ecological adaptability and the like are solved, the stress reaction of parent fishes is remarkably reduced, and the survival rate and breeding efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of aquaculture technology, specifically to an integrated device for water circulation and oxygenation in a temporary holding pond for broodstock of naked carp in Qinghai Lake. Background Technology

[0002] The Qinghai Lake naked carp (Gymnocypris przewalskii) is a rare fish species endemic to Qinghai Lake, possessing significant ecological and economic value. Due to its migratory nature, artificial breeding of the Qinghai Lake naked carp faces numerous challenges, such as its specific requirements for water flow environments, stress response control, and the complexity of water quality management. To improve the survival rate and reproductive success rate of the Qinghai Lake naked carp, simulating its natural ecological environment has become crucial for artificial breeding.

[0003] In traditional aquaculture systems, traditional ponds often use rectangular or square structures, resulting in low water circulation efficiency and an inability to simulate the water flow characteristics of natural rivers. This causes naked carp parent fish to experience stress due to the failure to meet their reverse-current habits, leading to a reduced survival rate and the formation of stagnant water areas. This results in uneven dissolved oxygen distribution, accumulation of metabolic waste, and ultimately, water quality deterioration.

[0004] In addition, conventional filtration systems typically rely on single physical filtration (such as sand filtration) or chemical adsorption (such as activated carbon), which are insufficient in removing dissolved organic matter such as proteins and ammonia nitrogen, making it difficult to meet the water quality requirements of high-density aquaculture.

[0005] Therefore, an integrated water circulation and oxygenation device for the temporary rearing pond of naked carp broodstock in Qinghai Lake is proposed to address the current shortcomings. Utility Model Content

[0006] To address the problems of existing technologies, this invention provides an integrated device for water circulation and oxygenation in the temporary holding pond for broodstock naked carp in Qinghai Lake.

[0007] The technical problem to be solved by this utility model is to overcome the defects of the above-mentioned technology and provide an integrated device for water circulation and oxygenation in the temporary holding pond of naked carp in Qinghai Lake.

[0008] To solve the above-mentioned technical problems, the technical solution provided by this utility model is an integrated water circulation and oxygenation device for a temporary holding pond for Qinghai Lake naked carp broodstock: including a pond body, an oxygenation pump, and a filtration unit.

[0009] The pool has a ring-shaped structure and a culture chamber. The filtration section is located in the middle of the inner side of the pool. The filtration section includes a first filtration pool, a second filtration pool, a protein separator, a microfiltration pool, and a clear water pool connected in sequence. A water pump is provided at the bottom of the pool. The water pump is connected to the pool and the first filtration pool through a water pumping pipe. A water distribution pipe connected to the outside of the clear water pool through a circulation pump is provided. The oxygenation pump is located in the clear water pool and is connected to the water distribution pipe through a pipeline.

[0010] As an improvement, the first filter tank is equipped with a quartz sand filter layer, and the second filter tank is equipped with an activated carbon adsorption layer.

[0011] As an improvement, both filter pool one and filter pool two are provided with overflow plates on the same side.

[0012] As an improvement, a temporary storage tank connected to the protein separator is provided between the microfiltration tank and the protein separator. A filter cylinder is installed in the microfiltration tank and rotates laterally. A drive motor is provided on the temporary storage tank. The drive motor is connected to a drive wheel that meshes with the filter cylinder. A guide channel connected to a clear water tank is provided coaxially inside the filter cylinder. A water pump is provided in the temporary storage tank. The water pump is connected to a spray pipe installed diagonally above the filter cylinder.

[0013] As an improvement, the cross-section of the guide channel is an inverted trapezoidal structure with an open top, and the water spray pipe is arranged correspondingly to the guide channel.

[0014] As an improvement, an overflow plate is provided at one end of the clear water tank near the microfiltration tank.

[0015] As an improvement, the water distribution pipe is located above the liquid surface, the water distribution pipe is horizontally inclined, and water distribution nozzles that are inclined downwards are evenly distributed on the water distribution pipe.

[0016] As an improvement, an aeration pipe is provided laterally at one end of the pool near the clear water pool, and the aeration pipe is connected to an oxygenation pump through a pipeline.

[0017] As an improvement, a base is also included, in which the water pump is fixedly installed.

[0018] The advantages of this utility model compared with the prior art are as follows:

[0019] 1. By simulating the natural river flow through a circular pool and combining it with the directional jetting drive of the water distribution pipe, a uniform and continuous circular water flow environment is formed, effectively eliminating stagnant water areas, adapting to the upstream migration habits of Qinghai Lake naked carp, significantly reducing the stress response of parent fish, and improving the uniformity of dissolved oxygen and nutrient distribution in the water, providing ecological induction conditions for the reproductive behavior of parent fish.

[0020] 2. The filtration section adopts a compact modular layout, which is arranged sequentially along the length of the pool body to reduce pipeline detours and lower energy consumption and failure rate; the gear transmission structure of the drive motor and the filter cartridge 3041, combined with the inclined inverted trapezoidal design of the guide channel, realizes efficient collection and transportation of filtered water and avoids secondary pollution.

[0021] 3. It adopts a four-stage series filtration mechanism of physical interception (quartz sand filter layer), chemical adsorption (activated carbon adsorption layer), and protein separation (protein separator and dynamic microfiltration (rotary filter cartridge)) to achieve gradient removal of pollutants such as large particulate residual food, dissolved organic matter, protein and ammonia nitrogen. The pollutant retention rate is higher, which realizes fine filtration and ensures the cleanliness and stability of water quality.

[0022] 4. The integrated water distribution pipe spray oxygenation and aeration pipe diffusion oxygenation dual oxygenation module achieves uniform distribution of dissolved oxygen in the whole pool through the gas-liquid mixing effect of the circulating pump driving water flow and the micropore aeration of the aeration pipe. At the same time, the deep coupling of water circulation and oxygenation ensures timely discharge of metabolic waste and maintains water quality stability.

[0023] 5. The device has a simple structure and is easy to implement. By compactly integrating various functional modules, it has a small footprint and effectively combines water purification, water circulation and oxygenation functions. It is suitable for aquaculture sites with limited space and can better meet the needs of Qinghai Lake naked carp parent fish for the aquaculture environment, thereby improving their survival rate and reproductive success rate. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of an integrated water circulation and oxygenation device for a temporary holding pond for broodstock naked carp in Qinghai Lake. Figure 1 .

[0025] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle.

[0026] Figure 3 This is a schematic diagram of the structure of an integrated water circulation and oxygenation device for a temporary holding pond for broodstock naked carp in Qinghai Lake. Figure 2 .

[0027] Figure 4 This is a schematic diagram of the bottom structure of an integrated water circulation and oxygenation device for a temporary holding pond for naked carp broodstock in Qinghai Lake, according to this utility model.

[0028] Figure 5 This is a top view of an integrated water circulation and oxygenation device for a temporary holding pond for naked carp broodstock in Qinghai Lake, according to this utility model.

[0029] Figure 6 yes Figure 5 Sectional view at point BB.

[0030] Figure 7 yes Figure 5 Sectional view at point CC.

[0031] As shown in the figure:

[0032] 1. Pool body; 2. Aerator pump.

[0033] 3. Filtration section, 301. Filtration tank one, 302. Filtration tank two, 303. Protein separator;

[0034] 304, Microfiltration tank; 3041, Filter cartridge; 3042, Drive motor; 3043, Drive wheel; 3045, Guide channel; 3046, Water pump one; 3047, Spray pipe.

[0035] 305. Clear water tank; 3051. Overflow plate II;

[0036] 306. Circulating pump; 307. Water distribution pipe; 308. Overflow plate; 309. Temporary storage tank; 3010. Water distribution nozzle.

[0037] 4. Breeding chamber, 5. Water pump, 6. Water pumping pipe, 7. Aeration pipe, 8. Base. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the utility model embodiments clearer, the technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. The components of the utility model embodiments described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0039] In the description of the embodiments of the utility model, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model. Furthermore, terms such as "first," "second," and "third" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0040] Furthermore, the use of terms such as "horizontal," "vertical," and "sag" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0041] In the description of the utility model embodiments, "a plurality of" means at least two.

[0042] In the description of the embodiments of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0043] As shown in the attached diagram, an integrated water circulation and oxygenation device for a temporary holding pond for broodstock of naked carp in Qinghai Lake includes a pond body 1, an oxygenation pump 2, and a filtration unit 3.

[0044] The pool 1 has a ring structure and a breeding chamber 4. Specifically, the ring structure can simulate the water flow environment of a natural river, forming a continuous and uniform water flow, reducing dead water areas in the breeding pool, ensuring more uniform water quality, and the continuous flow of water in the ring pool 1 helps to evenly distribute oxygen and nutrients throughout the entire temporary holding pool. It also helps to timely discharge metabolic waste and harmful substances, maintaining the cleanliness and stability of the water quality.

[0045] In this embodiment, the Qinghai Lake naked carp, as a migratory fish, has the habit of swimming upstream. The ring structure can simulate its natural migration route, which helps the parent fish adapt to the artificial breeding environment, reduces stress response, and improves survival rate and reproductive success rate.

[0046] Meanwhile, the circular structure of the pond 1 makes the management and observation of the aquaculture pond more convenient. Staff can patrol along the circular pond to promptly identify and address any issues. Furthermore, the design of the circular structure of the pond 1 also facilitates the observation of the behavior and growth of the parent fish, providing strong support for aquaculture management.

[0047] The filtration section 3 is located in the middle of the inner side of the pool body 1. The filtration section 3 includes a first filtration pool 301, a second filtration pool 302, a protein separator 303, a microfiltration pool 304, and a clear water pool 305 connected in sequence. In this embodiment, the first filtration pool 301, the second filtration pool 302, the protein separator 303, the microfiltration pool 304, and the clear water pool 305 are arranged in sequence from left to right along the length of the pool body 1.

[0048] In practice, a water pump 5 is installed at the bottom of the pool body 1. The water pump 5 is connected to the filter tank 301 through a water pumping pipe 6, and can transport the water in the pool body 1 to the filter tank 301. In this embodiment, a base 8 is also included, and the water pump 5 is fixedly installed in the base 8.

[0049] Specifically, the bottom of the first filter pool 301 and the second filter pool 302 are provided with flow ports to achieve communication between the first filter pool 301 and the second filter pool 302. In practice, the first filter pool 301 is provided with a quartz sand filter layer to intercept large particles of residual bait and feces in the water, thereby achieving preliminary filtration of the water. The second filter pool 302 is provided with an activated carbon adsorption layer to adsorb dissolved organic matter and toxins.

[0050] Furthermore, to ensure the connectivity between filter tank 1 301 and filter tank 2 302, overflow plates 308 are provided on the same side of both filter tank 1 301 and filter tank 2 302. Specifically, the overflow plates 308 are located at the left end of both filter tank 1 301 and filter tank 2 302, and the quartz sand filter layer and activated carbon adsorption layer are located at the bottom of the filter tank. The water flows down in a waterfall-like manner through the overflow plates 308, which can ensure the filtration effect.

[0051] The protein separator 303 is connected to the filter tank 302 via a pipeline to achieve efficient removal of organic matter such as proteins and ammonia nitrogen from the water.

[0052] Furthermore, to ensure the normal operation of the microfiltration tank 304, a temporary storage tank 309 connected to the protein separator 303 is provided between the microfiltration tank 304 and the protein separator 303. The temporary storage tank 309 is connected to the protein separator 303 through a pipeline. The temporary storage tank 309 temporarily stores the water after it has passed through the protein separator 303 to ensure the filtration requirements of the microfiltration tank 304.

[0053] The microfiltration tank 304 contains a filter cylinder 3041 that rotates laterally. The filter cylinder 3041 has a hollow cylindrical structure and is rotatably arranged along the length of the tank body 1. The temporary storage tank 309 is equipped with a drive motor 3042. Specifically, the drive motor 3042 is located at the upper part of the temporary storage tank 309 and above the filter cylinder 3041. The drive motor 3042 is connected to a drive wheel 3043 that meshes with the filter cylinder 3041. In this embodiment, the end of the filter cylinder 3041 is coaxially provided with a driven disc that meshes with the drive wheel 3043. By driving the drive wheel 3043 through the drive motor 3042, the filter cylinder 3041 can be rotated.

[0054] The filter cylinder 3041 is coaxially provided with a guide channel 3045 that communicates with the clear water tank 305. One end of the guide channel 3045 extends into the filter cylinder 3041 and is adapted to its length. The other end of the guide channel 3045 communicates with the clear water tank 305, so as to realize the transportation of water filtered by the filter cylinder 3041 into the clear water tank 305. In actual implementation, in order to ensure the smoothness of the transportation by the guide channel 3045, the guide channel 3045 is set at a certain angle.

[0055] The cross-section of the guide channel 3045 is an inverted trapezoidal structure with an open top. The guide channel 3045 is located above the axis of the filter cylinder 3041. The guide channel 3045 receives and transports the water after it has been filtered by the filter cylinder 3041. At the same time, the inverted trapezoidal structure of the guide channel 3045 can expand the receiving area and ensure the transport of the filtered water.

[0056] The temporary storage tank 309 is equipped with a water pump 3046, which is used to transport the water in the temporary storage tank 309 to the microfiltration tank 304 for filtration through the filter cartridge 3041.

[0057] The water pump 3046 is connected to a spray pipe 3047 positioned diagonally above the filter cylinder 3041, and the spray pipe 3047 is correspondingly positioned with respect to the guide channel 3045. In practice, the spray pipe 3047 is located at the end of the microfiltration tank 304 furthest from the drive motor 3042. To ensure that the filtered water can flow into the guide channel 3045, the spray pipe 3047 is positioned diagonally above the filter cylinder 3041 with its spray nozzle facing the filter cylinder 3041, thereby allowing the water filtered by the filter cylinder 3041 to fall directly into the guide channel 3045.

[0058] An overflow plate 3051 is provided at one end of the clear water tank 305 near the microfiltration tank 304. The overflow plate 3051 is provided to prevent the guide channel 3045 from being directly connected to the clear water tank 305.

[0059] The outside of the clear water tank 305 is provided with a water distribution pipe 307 connected to a circulation pump 306. The circulation pump 306 is located inside the clear water tank 305. The water distribution pipe 307 is set horizontally and inclined. The water distribution pipe 307 is sprayed by the circulation pump 306 to deliver water, so as to realize the continuous flow of water in the tank 1.

[0060] The water distribution pipe 307 is located above the liquid surface, and the water distribution pipe 307 is evenly distributed with water distribution nozzles 3010 that are inclined downwards, so that the water flow is sprayed obliquely on the water surface, and the water is continuously flowed in the pool body 1 while realizing water circulation.

[0061] The oxygenation pump 2 is installed in the clear water tank 305 and connected to the water distribution pipe 307 through a pipeline. While realizing water circulation, it increases the oxygen content in the circulating water.

[0062] Furthermore, to ensure the oxygenation effect, an aeration pipe 8 is provided laterally at one end of the pool body 1 near the clear water pool 305. The aeration pipe 8 is connected to the oxygenation pump 2 through a pipeline, and the oxygen content in the water can be further increased by the flow of water in the pool body 1.

[0063] In specific implementation, an electrical control cabinet can also be set up, and the oxygenation pump 2, protein separator 303, drive motor 3042, water pump 3046, circulation pump 306 and water pump 5 are all connected to the electrical control cabinet.

[0064] In this embodiment, the oxygenation pump 2 is a Haili ACO-018 high-pressure vortex air pump, the protein separator 303 is a Jebao DP-5 high-efficiency protein separator, the water pump 5 is a Grundfos SP series water pump, the circulation pump 306 is a Grundfos UPS 32-80 centrifugal pump, the drive motor 3042 is a SEW DRS71S4 geared motor, the water pump 3046 is a Xinjie CM10-10 centrifugal pump, and the electrical control cabinet is equipped with a Siemens S7-1200 PLC controller.

[0065] In specific implementation of this utility model:

[0066] 1) Pumping and purification stage:

[0067] The water pump 5 located at the bottom of the pool 1 pumps the sewage in the pool 1 through the overflow plate 308 to the filter tank 301. The quartz sand intercepts large particles of uneaten food and feces in the water, thus achieving preliminary filtration of the water.

[0068] After being filtered by filter tank 301, the water enters filter tank 302 through overflow plate 308, where dissolved organic matter and toxins are adsorbed by the activated carbon adsorption layer, achieving secondary filtration.

[0069] After secondary filtration, the water is treated by protein separator 303 to achieve efficient removal of organic matter such as protein and ammonia nitrogen. The water is then temporarily stored in storage tank 309 and pumped into microfiltration tank 304 by water pump 3046.

[0070] 2) Microfiltration and Reinfusion Stage:

[0071] The water spray pipe 3047 sprays water onto the rotating filter cylinder 3041, and the filtered water flows into the clear water pool 305 through the guide channel 3045.

[0072] The circulating pump 306 sprays water from the clear water pool into the pool body through the water distribution pipe 307, realizing water circulation and forming a continuous water flow to simulate the natural breeding environment of the parent fish.

[0073] 3) Oxygenation and circulation maintenance:

[0074] The oxygenation pump 2 supplies oxygen to the water distribution pipe 307 and the aeration pipe 8, maintaining a high dissolved oxygen level in the water through dual oxygenation via jet water flow and air bubbles.

[0075] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An integrated water circulation and oxygenation device for a temporary holding pond for broodstock naked carp in Qinghai Lake, characterized in that: It includes a pool body (1), an oxygenation pump (2), and a filter unit (3); The pool body (1) has a ring structure and a breeding chamber (4). The filter section (3) is located in the middle of the inner side of the pool body (1). The filter section (3) includes a filter pool one (301), a filter pool two (302), a protein separator (303), a microfiltration pool (304), and a clear water pool (305) connected in sequence. A water pump (5) is provided at the bottom of the pool body (1). The water pump (5) is connected to the pool body (1) and the filter pool one (301) through a water pumping pipe (6). A water distribution pipe (307) is provided on the outside of the clear water pool (305) and connected to the water distribution pipe (307) through a circulation pump (306). The oxygenation pump (2) is located in the clear water pool (305) and is connected to the water distribution pipe (307) through a pipeline.

2. The integrated water circulation and oxygenation device for breeding Qinghai Lake naked carp according to claim 1, characterized in that: The first filter pool (301) is provided with a quartz sand filter layer, and the second filter pool (302) is provided with an activated carbon adsorption layer.

3. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 2, characterized in that: Both filter tank one (301) and filter tank two (302) are provided with overflow plates (308) on the same side.

4. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 1, characterized in that: A temporary storage tank (309) communicating with the protein separator (303) is provided between the microfiltration tank (304) and the protein separator (303). A filter cylinder (3041) is arranged horizontally and rotates inside the microfiltration tank (304). A drive motor (3042) is provided on the temporary storage tank (309). The drive motor (3042) is connected to a drive wheel (3043) that meshes with the filter cylinder (3041). A guide channel (3045) communicating with a clear water tank (305) is provided coaxially inside the filter cylinder (3041). A water pump (3046) is provided in the temporary storage tank (309). The water pump (3046) is connected to a spray pipe (3047) arranged obliquely above the filter cylinder (3041).

5. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 4, characterized in that: The cross-section of the guide channel (3045) is an inverted trapezoidal structure with an open top, and the water spray pipe (3047) is correspondingly arranged with the guide channel (3045).

6. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 1, characterized in that: An overflow plate (3051) is provided at one end of the clear water tank (305) near the microfiltration tank (304).

7. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 1, characterized in that: The water distribution pipe (307) is located above the liquid surface. The water distribution pipe (307) is set horizontally and inclined. Water distribution nozzles (3010) are evenly distributed on the water distribution pipe (307) and set downward.

8. The integrated device for water circulation and oxygenation of the temporary breeding pond of Gymnocypris przewalskii according to claim 1, characterized in that: The pool body (1) is provided with an aeration pipe (8) at one end near the clear water pool (305), and the aeration pipe (8) is connected to the oxygenation pump (2) through a pipeline.

9. The integrated water circulation and oxygenation device for breeding Qinghai Lake naked carp according to claim 1, characterized in that: It also includes a base (9), and the water pump (5) is fixedly installed in the base (9).

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