High-density fish culture device

Abstract

The invention discloses a high-density fish culture device. The high-density fish culture device comprises a culture barrel, an outer barrel, a coil pipe, an impeller, a throat pipe nozzle, submerged plants, an inner barrel, a motor and a coil pipe filler. A breeding cavity is formed in the breeding barrel, the outer barrel on the outer side and the breeding barrel define a water treatment cavity communicated with the breeding cavity, a coil pipe and biological filler are arranged in the water treatment cavity, the coil pipe is filled with coil pipe filler, a bottom end inlet of the coil pipe is communicated with the breeding cavity, and a top end outlet of the coil pipe is connected with a throat pipe nozzle through an impeller; the impeller drives water in the culture cavity to flow through the coil pipe, is sprayed into the water treatment cavity from the throat pipe nozzle, and flows back to the culture cavity after passing through the biological filler; a photocatalyst is arranged on the inner wall of the breeding barrel, an inner barrel and submerged plants are arranged in the breeding cavity, a fine net and an illuminating lamp capable of illuminating the inside and the outside of the inner barrel simultaneously are installed on the inner barrel, and the inner barrel is driven by a motor to rotate. According to the device, under the condition of high-density breeding, low-energy-cost large-flow water flow circulating flowing and water purification can be achieved.

Description

Technical Field

[0001] The invention belongs to the field of fish farming, and in particular relates to a high-density fish farming device. Background Art

[0002] High-density factory fish farming is an advanced farming method that uses modern industrial technology and modern biological technology to breed high-quality fish in indoor fish farming workshops at high density. This farming method has the following characteristics:

[0003] (1) Small footprint: High-density farming can be achieved in a limited space, thereby improving the utilization rate of land and water resources;

[0004] (2) High yield: Through scientific management and the application of technology, higher yield per unit area can be achieved;

[0005] (3) No pollution: Since the breeding is carried out indoors, the water quality and environment can be effectively controlled, reducing pollution to the environment;

[0006] (4) High economic benefits: Due to its high yield and no pollution, factory fish farming can achieve higher economic benefits;

[0007] (5) Automation of operation and management: Through modern technical means, operations such as automated feeding and water quality monitoring can be realized, which improves management efficiency. At present, factory fish farming has become a trend in the aquaculture industry and has achieved remarkable results.

[0008] However, factory fish farming also has its flaws, the biggest of which is its high energy consumption, complicated supporting facilities, and the need for continuous electricity to maintain large-flow water circulation and water purification. Summary of the invention

[0009] In view of the shortcomings of the prior art, the present invention provides a high-density fish farming device, which can realize high-flow water circulation and water purification with low energy cost under the condition of high-density farming.

[0010] The technical solution adopted by the present invention is:

[0011] The high-density fish farming device comprises a breeding barrel, an outer barrel, a coil, an impeller, a throat nozzle, submerged plants, an inner barrel, a motor and a coil filler; a breeding chamber is arranged in the breeding barrel, the outer barrel arranged outside the breeding barrel and the breeding barrel are enclosed to form a water treatment chamber connected with the breeding chamber, the water treatment chamber is arranged with a coil and a biological filler, the coil is filled with a coil filler, the bottom inlet of the coil is connected with the breeding chamber, and the top outlet is connected with the throat nozzle through the impeller; the impeller can drive the water in the breeding chamber to flow through the coil and then spray into the water treatment chamber from the throat nozzle, and return to the breeding chamber after being treated with the biological filler; the inner wall of the breeding barrel has a photocatalyst coating, the breeding chamber is arranged with an inner barrel, the inner barrel is arranged with submerged plants, a fine net and a lighting lamp that can simultaneously illuminate the inside and outside of the inner barrel are installed on the inner barrel, and the inner barrel can be driven to rotate by a motor.

[0012] Preferably, the photocatalyst is a visible light responsive type.

[0013] Preferably, the coil filler is a mixture of activated carbon and cation exchange resin, and the volume ratio of the activated carbon to the cation exchange resin is 1:1-2.

[0014] Furthermore, the high-density fish farming device further comprises a guide groove installed on the farming barrel and a baffle installed on the outer barrel, the inlet of the guide groove is directly opposite to the outlet of the throat nozzle, the outlet of the guide groove is connected to the water treatment chamber, and the baffle is directly opposite to the outlet of the throat nozzle. The outlet of the throat nozzle is set to be flat.

[0015] Furthermore, the high-density fish farming device also includes a sieve plate arranged at the bottom of the farming chamber, and submerged plants are planted in the sediment below the sieve plate.

[0016] Furthermore, a first connection port is provided at the bottom of the breeding barrel and is located above the sieve plate; the first connection port is connected to one end of a short tube in the water treatment chamber, and the other end of the short tube extends upward to the upper part of the water treatment chamber; a second connection port is provided at the bottom of the breeding barrel and is located below the sieve plate, and the second connection port is connected to the mud discharge port on the outer barrel through a pipe.

[0017] Preferably, a third connection port is provided at the bottom of the breeding barrel, so that the water treatment chamber is connected with the bottom of the breeding chamber.

[0018] Preferably, a fourth connection port is provided at the bottom of the breeding barrel, and the bottom inlet of the coil is connected to the breeding chamber through the fourth connection port.

[0019] Preferably, a plurality of fine nets are detachably mounted on the outer wall of the inner barrel, and each fine net is arranged along the axial direction of the inner barrel to collect suspended particles in the water.

[0020] Preferably, the number of the lighting lamps is greater than one, and all the lighting lamps are evenly spaced along the axial direction of the inner barrel.

[0021] The beneficial effects of the present invention are:

[0022] 1. This device uses the light-attraction of fish to drive the movement of fish by rotating the light bulb, which can save a lot of electricity compared to driving the movement of fish by pushing large water flow;

[0023] 2. This device is equipped with a water treatment device, which can repeatedly treat pollutants in the water to make the water meet the requirements for fish growth;

[0024] 3. Since this device does not need to keep the water flow rate high for a long time, corresponding plants can be planted in the barrel. These plants and plant microorganisms can directly consume nitrogen and other nutrients in the water, promote plant growth, and can also become fish bait;

[0025] 4. The role of light can not only guide the swimming of fish, but also provide light excitation for the catalyst on the barrel wall, so that the catalyst can play a degradation effect, and can provide light for photosynthesis for the plants in the center of the barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The structure diagram of the high-density fish farming device provided by the present invention is as follows Figure 1 (without diversion groove);

[0027] Figure 2 The structure diagram of the high-density fish farming device provided by the present invention is as follows Figure 2 (with diversion groove);

[0028] Figure 3 A schematic diagram of the structure of the inner barrel in the high-density fish farming device provided by the present invention;

[0029] Figure 4 A schematic diagram of the water circulation path of the high-density fish farming device provided by the present invention;

[0030] Figure 5 A schematic diagram of the water circulation process of the high-density fish farming device provided by the present invention;

[0031] Figure 6 A top view of the high-density fish farming device provided by the present invention;

[0032] Figure 7 This is a schematic diagram of baffles and guide grooves in the high-density fish farming device provided by the present invention.

[0033] In the figure: 1. breeding barrel, 2. sieve plate, 3. outer barrel, 4. coil, 5. biological filler, 6. connection port, 7. mud discharge port, 8. impeller, 9. throat nozzle, 10. submerged plant, 11. inner barrel, 12. convex groove, 13. fine net, 14. rotating shaft, 15. belt, 16. motor, 17. coil filler, 18. guide groove, 19. baffle, 61. first connection port, 62. second connection port, 63. short pipe, 64. third connection port, 65. fourth connection port, 111. lighting lamp. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] like Figure 1 As shown, the high-density fish farming device includes a farming barrel 1, an outer barrel 3, a coil 4, an impeller 8, a throat nozzle 9, a submerged plant 10, an inner barrel 11, a motor 16 and a coil filler 17. A breeding chamber is arranged in the breeding barrel 1, and an outer barrel 3 arranged outside the breeding barrel 1 is enclosed with the breeding barrel 1 to form a water treatment chamber connected with the breeding chamber, a coil 4 and a biological filler 5 are arranged in the water treatment chamber, the coil 4 is filled with a coil filler 17, the bottom inlet of the coil 4 is connected with the breeding chamber, and the top outlet is connected with the throat nozzle 9 through an impeller 8; the impeller 8 is used to drive the circulation of the water body, after the water body in the breeding chamber is sucked into the coil 4, it is sprayed into the water treatment chamber from the throat nozzle 9, flows through the biological filler 5, and then flows back to the breeding chamber; the inner wall of the breeding barrel 1 has a photocatalyst coating, an inner barrel 11 is arranged in the breeding chamber, submerged plants 10 are arranged in the inner barrel 11, a fine net 13 and a lighting lamp 111 that can simultaneously illuminate the inside and outside of the inner barrel 11 are installed on the inner barrel 11, the inner barrel 11 is connected to the motor 16 in a transmission manner, and the inner barrel 11 can be driven by the motor 16 to rotate.

[0036] like Figure 1 As shown, in an embodiment of the present invention, the inner barrel 11, the breeding barrel 1, and the outer barrel 3 are coaxially arranged in sequence from the inside to the outside.

[0037] like Figure 1 As shown, in the embodiment of the present invention, the annular interlayer formed by the outer barrel 3 and the breeding barrel 1 serves as a water treatment chamber. A coil 4 is arranged in the water treatment chamber. The area around the coil 4 is filled with biological fillers 5.

[0038] Preferably, the surface of the biological filler 5 is loaded with microorganisms, and pollutants in water can be degraded by the microorganisms.

[0039] Preferably, the photocatalyst on the inner wall of the aquaculture barrel 1 is a visible light responsive catalyst. The photocatalyst can be excited to generate photogenerated electrons and holes under visible light irradiation, thereby inducing redox reactions and degrading organic pollutants in water.

[0040] Preferably, a metal compound having visible light catalytic degradation function is used as the photocatalyst, such as bismuth vanadate, tungsten oxide, iron oxide, etc.

[0041] Specifically, the number of the lighting lamps 111 on the inner barrel 11 is at least one. When the number of the lighting lamps 111 is one, the lighting lamps 111 need to be arranged below the water level in the culture chamber. When the number of the lighting lamps 111 is greater than one, all the lighting lamps 111 are evenly spaced along the axial direction of the inner barrel 11.

[0042] like Figure 6 As shown, in an embodiment of the present invention, the inner barrel 11 and the motor 16 are connected in transmission manner as follows: the motor 16 is installed on one side of the breeding barrel 1, the output shaft of the motor 16 is connected to the top of the rotating shaft 14 through a belt 15, and the bottom end of the rotating shaft 14 is fixedly connected to the top of the inner barrel 11.

[0043] Preferably, the coil filler 17 is a mixture of activated carbon and cation exchange resin. The mixture of activated carbon and cation exchange resin can remove dissolved organic matter and heavy metal ions in water through adsorption and ion exchange.

[0044] Preferably, in the mixture of activated carbon and cation exchange resin, the volume ratio of activated carbon to cation exchange resin is 1:1-2.

[0045] Furthermore, the high-density fish farming device also includes a guide groove 18 and a baffle 19. The relative positions of the baffle and the guide groove are as shown in FIG. Figure 7 As shown (the throat nozzle 9 and other structures are not shown). The guide groove 18 is used to guide the water flow sprayed from the throat nozzle 9 into the water treatment chamber. The guide groove 18 is arranged relative to the throat nozzle 9 and spaced apart. The guide groove 18 is installed on the top of the inner wall of the breeding tank 1 (such as Figure 7 as shown) or the upper part (as shown Figure 2 As shown in the figure, the inlet of the guide groove 18 is directly opposite to the outlet of the throat nozzle 9, so that the water flow can be smoothly and stably sprayed into the guide groove 18 from the throat nozzle 9, and the outlet side of the guide groove 18 is connected to the water treatment chamber. The throat nozzle 9 can guide the water flow and increase the flow rate. After the high-speed water flow releases the dissolved harmful gases such as carbon dioxide in the air and increases the dissolved oxygen content, it is smoothly introduced into the water treatment chamber through the guide groove 18. The baffle 19 is arranged on the side of the outer barrel 3 close to the guide groove 18, that is, the baffle 19 and the throat nozzle 9 are arranged relative to each other.

[0046] like Figure 2 As shown, in an embodiment of the present invention, the throat nozzle 9 and the guide groove 18 have a certain inclination angle relative to the inner wall of the breeding barrel 1, which increases the release amount of harmful gases and dissolved oxygen by prolonging the time of high-speed water flow in the air.

[0047] Furthermore, the outlet of the throat nozzle 9 is configured as a flat outlet, preferably a flat outlet extending left and right, so that the contact area between the water flow sprayed from the throat nozzle 9 and the air is further increased.

[0048] Furthermore, the high-density fish farming device further comprises a sieve plate 2 arranged at the bottom of the farming chamber. Heavier sediments in the water will naturally settle below the sieve plate 2.

[0049] like Figure 1 As shown, in an embodiment of the present invention, a submerged plant 10 is planted in the sediment below the sieve plate 2 and is located in the center of the fish farming device. When the submerged plant 10 grows, it can absorb nutrients in the water and purify the water. The top of the submerged plant 10 extends into the inner barrel 11.

[0050] Furthermore, the breeding barrel 1 is provided with a plurality of connection ports 6 , including a first connection port 61 , a second connection port 62 , a third connection port 64 and a fourth connection port 65 .

[0051] Specifically:

[0052] A first connection port 61 is provided at the bottom of the breeding barrel 1 and is located above the sieve plate 2. The first connection port 61 is connected to one end of a short tube 63 in the water treatment chamber, and the other end of the short tube 63 extends vertically upward to the upper part of the water treatment chamber.

[0053] Optionally, a filtering device, such as a filter or a filter, is provided at the inlet of the short tube 63 to filter and purify the water flow.

[0054] The bottom of the breeding barrel 1 is provided with a second connection port 62, which is located below the sieve plate 2. The bottom of the outer barrel 3 is provided with a mud discharge port 7. The second connection port 62 is connected to the mud discharge port 7 through a pipeline to discharge the sediment accumulated below the sieve plate 2 to further purify the water quality. The discharge path of the sediment is Figure 4 Indicated by the orange arrow.

[0055] A third connection port 64 is also provided at the bottom of the breeding barrel 1, so that the water treatment chamber is connected to the bottom of the breeding chamber. After the water flows into the water treatment chamber from the guide groove 18, it flows back to the breeding chamber from the bottom of the water treatment chamber.

[0056] Furthermore, a fourth connection port 65 is provided at the bottom of the culture barrel 1. The bottom inlet of the coil 4 is connected to the culture chamber through the fourth connection port 65. In a specific implementation, the fourth connection port 65 should be far away from the first connection port 61, preferably arranged opposite to it.

[0057] Furthermore, a plurality of fine meshes 13 are detachably mounted on the outer wall of the inner barrel 11 . The fine meshes 13 are arranged along the axial direction of the inner barrel 11 and are used to collect suspended particles in water.

[0058] like Figure 1 As shown, in an embodiment of the present invention, the fine net 13 is detachably mounted on the outer wall of the inner barrel 11 in the following manner: a plurality of convex grooves 12 are mounted on the outer wall of the inner barrel 11, and the number of the convex grooves 12 and the fine net 13 are the same and correspond to each other. The convex grooves 12 are arranged at intervals along the circumference of the inner barrel 11, and the length direction of each convex groove 12 is parallel to the axial direction of the inner barrel 11. A clamping groove is provided in the middle of each convex groove 12, and the shape of the clamping groove matches the edge of the fine net 13, and the edge of the fine net 13 is clamped in the convex groove 12 through the clamping groove.

[0059] Preferably, the number of the fine meshes 13 is set to 2-4.

[0060] like Figure 5 and Figure 6 As shown, the water circulation process of the high-density fish farming device of the present invention during the farming process is specifically as follows: after the impeller 8 is started, the water in the farming chamber is sucked into the bottom inlet of the coil 4 from the fourth connection port 65. After the water is purified by the coil filler 17 in the coil 4, it flows through the top outlet of the coil 4 and the impeller 8 in sequence, and then sprays out from the throat nozzle 9. The water sprayed from the throat nozzle 9 is collected by the guide groove 18 (blue arrow). The water collected in the guide groove 18 flows into the water treatment chamber, passes through the biological filler 5 under the action of gravity, and finally flows back to the farming chamber through the bottom connection port of the water treatment chamber and the farming chamber (the third connection port 64 at the bottom of the farming barrel 1) (yellow arrow). In the process of the water flow being sprayed from the throat nozzle 9 through the guide groove 18 into the water treatment chamber, the harmful gases dissolved therein (such as carbon dioxide) are released, and the oxygen content increases at the same time.

[0061] During the breeding process, the inner barrel 11 is driven to rotate by the motor 16, and the inner barrel 11 drives the lighting lamp 111 and the fine net 13 thereon to rotate. As the fine net 13 rotates, the fine net 13 can effectively salvage small suspended particles in the water. These particles are intercepted and accumulated in the fine net 13, thereby achieving preliminary purification of the water body. When there are many particles accumulated in the fine net 13, the fine net 13 can be taken out, cleaned and reinstalled.

[0062] As the lighting lamp 111 rotates, on the one hand, the fish's tendency to move toward light allows the fish to always follow the lighting lamp 111 and keep swimming, which can save a lot of electricity compared to promoting the movement of large water flows to induce the fish to move. On the other hand, the light shines on the photocatalyst on the inner wall of the culture barrel 1, so that the photocatalyst can degrade organic matter in the water. At the same time, the light shines on the submerged plants 10 in the inner barrel 11, so that the submerged plants 10 grow vigorously and purify the water.

[0063] The above-mentioned ideal embodiments of the present invention are for inspiration. Through the above-mentioned description, relevant staff can make various changes and modifications without departing from the technical idea of ​​the present invention. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A high-density fish farming device, characterized in that: The fish farming device comprises a farming barrel (1), an outer barrel (3), a coil (4), an impeller (8), a throat nozzle (9), a submerged plant (10), an inner barrel (11), a motor (16) and a coil filler (17); A breeding chamber is arranged in the breeding barrel (1); the outer barrel (3) and the breeding barrel (1) enclose a water treatment chamber connected to the breeding chamber; a coil (4) and a biological filler (5) are arranged in the water treatment chamber; the coil (4) is filled with a coil filler (17); the bottom inlet of the coil (4) is connected to the breeding chamber, and the top outlet is connected to the throat nozzle (9) through an impeller (8); the impeller (8) can drive the water in the breeding chamber to flow through the coil (4) and then be sprayed into the water treatment chamber from the throat nozzle (9), and then flow back to the breeding chamber after being treated by the biological filler (5); The inner wall of the breeding barrel (1) has a photocatalyst coating, an inner barrel (11) is arranged in the breeding chamber, submerged plants (10) are arranged in the inner barrel (11), a fine net (13) and a lighting lamp (111) capable of simultaneously illuminating the inside and outside of the inner barrel (11) are installed on the inner barrel (11), and the inner barrel (11) can be driven to rotate by a motor (16).

2. The high-density fish farming device according to claim 1, characterized in that: The photocatalyst is a visible light responsive type.

3. The high-density fish farming device according to claim 1, characterized in that: The coil filler (17) is a mixture of activated carbon and cation exchange resin, and the volume ratio of the activated carbon to the cation exchange resin is 1:1-2.

4. The high-density fish farming device according to claim 1, characterized in that: The fish farming device further comprises a guide groove (18) mounted on the farming barrel (1) and a baffle (19) mounted on the outer barrel (3); the inlet of the guide groove (18) is directly opposite to the outlet of the throat nozzle (9); the outlet of the guide groove (18) is communicated with the water treatment chamber; the baffle (19) is directly opposite to the outlet of the throat nozzle (9); and the outlet of the throat nozzle (9) is arranged to be flat.

5. The high-density fish farming device according to claim 1, characterized in that: The fish farming device further comprises a sieve plate (2) arranged at the bottom of the farming chamber, and submerged plants (10) are planted in the sediment below the sieve plate (2).

6. The high-density fish farming device according to claim 5, characterized in that: The bottom of the breeding barrel (1) is provided with a first connection port (61), which is located above the sieve plate (2); the first connection port (61) is connected to one end of a short tube (63) in the water treatment chamber, and the other end of the short tube (63) extends upward to the upper part of the water treatment chamber; the bottom of the breeding barrel (1) is provided with a second connection port (62), which is located below the sieve plate (2); the second connection port (62) is connected to a mud discharge port (7) on the outer barrel (3) through a pipeline.

7. The high-density fish farming device according to claim 6, characterized in that: The bottom of the breeding barrel (1) is provided with a third connection port (64), so that the water treatment chamber is in communication with the bottom of the breeding chamber.

8. The high-density fish farming device according to claim 7, characterized in that: A fourth connection port (65) is provided at the bottom of the breeding barrel (1), and the bottom inlet of the coil (4) is connected to the breeding chamber through the fourth connection port (65).

9. The high-density fish farming device according to claim 1, characterized in that: A plurality of fine nets (13) are detachably mounted on the outer wall of the inner barrel (11); the fine nets (13) are arranged along the axial direction of the inner barrel (11) and are used to collect suspended particles in water.

10. The high-density fish farming device according to claim 1, characterized in that: The number of the lighting lamps (111) is greater than one, and all the lighting lamps (111) are evenly spaced and arranged along the axial direction of the inner barrel (11).

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