Fish culture system utilizing reservoir bottom water

Abstract

The utility model discloses a fish culture system utilizing reservoir bottom water, which relates to the technical field of fish culture and comprises a treatment pond, a hatching tank, a culture pond, a first water pipe and a second water pipe, the hatching tank is used for hatching fish fertilized eggs, the culture pond is used for fish culture, the treatment pond is used for containing reservoir bottom water, and a biological purification area is arranged in the treatment pond. Aquatic plants are planted in the biological purification area, the first water pipe is arranged between the treatment pond and the hatching tank and can communicate the treatment pond with the hatching tank so that water purified by the biological purification area can reach the hatching tank, and the second water pipe is arranged between the hatching tank and the culture pond and can communicate the hatching tank with the culture pond. Water in the hatching tank can reach the culture pond; according to the fish culture system utilizing the reservoir bottom water, the use safety and the use rate of the reservoir bottom water can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fish breeding, in particular to a fish breeding system utilizing reservoir bottom water. Background Art

[0002] The bottom water of the reservoir has the characteristics of low water temperature, low dissolved oxygen and high nitrate content. It is usually not directly used for fish farming, especially for farming of silver fish and other fish with high water quality requirements, and even more so for hatching fertilized eggs of silver fish and other fish. In the prior art, regarding the utilization of the bottom water of the reservoir, it is usually necessary to add a large amount of chemical substances to the bottom water to decompose nitrates. The water treatment process is complicated, costly and has low water utilization rate. In addition, it is not safe to use the water treated with chemical substances for hatching fertilized fish eggs. Utility Model Content

[0003] The utility model aims to provide a fish breeding system using reservoir bottom water, so as to solve the problems existing in the above-mentioned prior art and improve the safety and utilization rate of the use of reservoir bottom water.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a fish breeding system utilizing reservoir bottom water, comprising a treatment pool, a hatching tank, a breeding pool, a first water pipe and a second water pipe, wherein the hatching tank is used for hatching fertilized fish eggs, the breeding pool is used for fish breeding, the treatment pool is used for containing reservoir bottom water, the treatment pool is provided with a biological purification area, aquatic plants are planted in the biological purification area, the first water pipe is arranged between the treatment pool and the hatching tank, the first water pipe can connect the treatment pool with the hatching tank, so that water purified in the biological purification area can reach the hatching tank, the second water pipe is arranged between the hatching tank and the breeding pool, the second water pipe can connect the hatching tank with the breeding pool, so that water in the hatching tank can reach the breeding pool.

[0006] Preferably, a bottom water inlet pipe is provided on the treatment pool, and a sedimentation area is provided in the treatment pool. The sedimentation area receives the bottom water discharged from the bottom water inlet pipe, and a first dividing dam is fixedly provided between the sedimentation area and the biological purification area. A first filter net is fixedly provided on the first dividing dam, and the upper and middle parts of the water in the sedimentation area can pass through the first filter net and enter the biological purification area.

[0007] Preferably, the treatment pool has a lifting area, the lifting area is connected to the first water pipe, a second dividing dam is fixedly provided between the lifting area and the biological purification area, a second filter net is fixedly provided on the second dividing dam, and water in the biological purification area can pass through the second filter net into the lifting area; an aerator is fixedly provided in the lifting area.

[0008] Preferably, a heating rod is fixedly provided in the lifting area.

[0009] Preferably, an ultraviolet disinfection lamp is fixedly provided in the first water pipe.

[0010] Preferably, a plurality of solar panels are fixedly installed in the lifting area, each of which is electrically connected to the oxygenator, the heating rod and the ultraviolet disinfection lamp, and each of which is used to supply power to the oxygenator, the heating rod and the ultraviolet disinfection lamp.

[0011] Preferably, it further comprises a third water pipe, wherein the third water pipe is disposed between the breeding pond and the treatment pond, and the third water pipe can connect the breeding pond with the treatment pond so that the water in the breeding pond can reach the treatment pond.

[0012] Preferably, a plurality of the hatching tanks are provided in parallel between the first water pipe and the second water pipe.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The utility model provides a fish breeding system utilizing reservoir bottom water, wherein a treatment pool is provided for accommodating the reservoir bottom water, wherein a biological purification zone is provided in the treatment pool, wherein aquatic plants are planted in the biological purification zone, and the water entering the biological purification zone is biologically purified by the aquatic plants, and elements such as N and P in the water can be effectively absorbed, thereby achieving water purification and avoiding the addition of a large amount of chemical substances into the reservoir bottom water. The water quality of the water after biological purification is better and the safety is higher, thereby meeting the water quality requirements for hatching fertilized fish eggs. The water purified in the biological purification zone can reach an incubation tank for hatching fertilized fish eggs, and the water used for hatching fertilized fish eggs can reach a breeding pond for fish breeding, thereby achieving graded utilization of the water after biological purification and improving the utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of a fish farming system utilizing reservoir bottom water provided by the utility model;

[0017] In the figure: 1-treatment pool, 2-hatching tank, 3-breeding pool, 4-first water pipe, 5-second water pipe, 6-bottom water inlet pipe, 7-sedimentation area, 8-biological purification area, 9-lifting area, 10-first dividing dam, 11-second dividing dam, 12-aerator, 13-heating rod, 14-solar power generation panel, 15-ultraviolet disinfection lamp, 16-third water pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model aims to provide a fish breeding system using reservoir bottom water, so as to solve the problems existing in the above-mentioned prior art and improve the safety and utilization rate of the use of reservoir bottom water.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 As shown, the utility model provides a fish breeding system using reservoir bottom water, including a treatment pool 1, a hatching tank 2, a breeding pool 3, a first water pipe 4 and a second water pipe 5. The hatching tank 2 is used to hatch fish fertilized eggs, and the breeding pool 3 is used for fish breeding. The treatment pool 1 is used to contain reservoir bottom water. The treatment pool 1 has a biological purification area 8, and aquatic plants are planted in the biological purification area 8. The first water pipe 4 is arranged between the treatment pool 1 and the hatching tank 2. The first water pipe 4 can connect the treatment pool 1 with the hatching tank 2 so that the water purified by the biological purification area 8 can reach the hatching tank 2. The second water pipe 5 is arranged between the hatching tank 2 and the breeding pool 3. The second water pipe 5 can connect the hatching tank 2 with the breeding pool 3 so that the water in the hatching tank 2 can reach the breeding pool 3.

[0022] The utility model provides a fish breeding system utilizing reservoir bottom water, wherein a treatment pool 1 is provided for accommodating reservoir bottom water, wherein the treatment pool 1 is provided with a biological purification zone 8, wherein aquatic plants are planted in the biological purification zone 8, and the water entering the biological purification zone 8 is biologically purified by the aquatic plants, and can effectively absorb elements such as N and P in the water, thereby purifying the water quality and avoiding adding a large amount of chemical substances into the reservoir bottom water. The water quality of the water after biological purification is better and the safety is higher, and the water quality requirements for hatching fertilized fish eggs can be met. The water purified in the biological purification zone 8 can reach the hatching tank 2 for hatching fertilized fish eggs, and the water used for hatching fertilized fish eggs can reach the breeding pool 3 for fish breeding, thereby realizing the graded utilization of the water after biological purification and improving the utilization rate. It should be noted that the aquatic plants include submerged plants and floating plants.

[0023] Furthermore, a bottom water inlet pipe 6 is provided on the treatment pool 1, and a sedimentation area 7 is provided in the treatment pool 1. The sedimentation area 7 receives the bottom water discharged from the bottom water inlet pipe 6. A first partition dam 10 is fixedly provided between the sedimentation area 7 and the biological purification area 8. A first filter net is fixedly provided on the first partition dam 10. The middle and upper parts of the water in the sedimentation area 7 can pass through the first filter net and enter the biological purification area 8, so that the bottom water discharged from the bottom water inlet pipe 6 can be first precipitated and layered, so that the middle and upper parts of the precipitated water can pass through the first filter net and enter the biological purification area. In area 8, the difficulty of purifying the bottom water of the reservoir in the biological purification area 8 is effectively reduced; in this embodiment, the distance from the bottom of the first filter screen to the bottom of the sedimentation area 7 is 30 cm; it should be noted that a first gate plate can be set at the first filter screen on the first dividing dam 10 in combination with the use requirements. During the water storage and sedimentation process in the sedimentation area 7, the first gate plate is lowered to separate the sedimentation area 7 from the biological purification area 8. After the water in the sedimentation area 7 is completely precipitated, the first gate plate is raised to allow the upper and middle parts of the precipitated water to pass through the first filter screen and enter the biological purification area 8.

[0024] Furthermore, the treatment pool 1 has a lifting area 9, which is connected to the first water pipe 4. A second dividing dam 11 is fixedly provided between the lifting area 9 and the biological purification area 8, and a second filter is fixedly provided on the second dividing dam 11. The water in the biological purification area 8 can pass through the second filter to enter the lifting area 9; an aerator 12 is fixedly provided in the lifting area 9, which can increase the dissolved oxygen in the water in the lifting area 9, which is more suitable for hatching fertilized fish eggs; in the present embodiment, the distance from the bottom of the second filter to the bottom of the biological purification area 8 is 30 cm; it should be noted that a second gate plate can be provided at the second filter on the second dividing dam 11 according to the use requirements. During the process of biological purification of the water entering the biological purification area 8 by aquatic plants, the second gate plate is lowered to separate the lifting area 9 from the biological purification area 8. After the biological purification is completed, the second gate plate is raised to allow the water in the biological purification area 8 to pass through the second filter to enter the lifting area 9.

[0025] As a more preferred implementation of this embodiment, a slope of 5‰ is set between the sedimentation area 7, the biological purification area 8 and the lifting area 9 to facilitate the flow of water.

[0026] Furthermore, a heating rod 13 is fixedly provided in the lifting area 9, which can increase the temperature of the water in the lifting area 9 and is more suitable for hatching fertilized fish eggs.

[0027] Furthermore, an ultraviolet disinfection lamp 15 is fixedly provided in the first water pipe 4 to disinfect the water in the first water pipe 4, kill bacteria and zooplankton, etc., and is more suitable for hatching fertilized fish eggs.

[0028] Furthermore, a plurality of solar panels 14 are fixedly installed in the lifting area 9, and each solar panel 14 is electrically connected to the oxygenator 12, the heating rod 13 and the ultraviolet disinfection lamp 15. Each solar panel 14 is used to supply power to the oxygenator 12, the heating rod 13 and the ultraviolet disinfection lamp 15, which is energy-saving and environmentally friendly.

[0029] Furthermore, the fish farming system utilizing reservoir bottom water provided by the utility model also includes a third water pipe 16, which is arranged between the farming pool 3 and the treatment pool 1. The third water pipe 16 can connect the farming pool 3 with the treatment pool 1 so that the water in the farming pool 3 can reach the treatment pool 1, thereby realizing water recycling.

[0030] As a more preferred implementation of this embodiment, a plurality of hatching tanks 2 are provided in parallel between the first water pipe 4 and the second water pipe 5, which can improve the hatching efficiency of fish eggs and the utilization rate of water.

[0031] As a more preferred implementation of this embodiment, valves are provided on the reservoir bottom water inlet pipe 6, the first water pipe 4, the second water pipe 5 and the third water pipe 16 to control the opening and closing of each pipeline.

[0032] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A fish farming system using reservoir bottom water, characterized in that: It includes a treatment pool, a hatching tank, a breeding pool, a first water pipe and a second water pipe. The hatching tank is used to hatch fertilized fish eggs, the breeding pool is used to breed fish, the treatment pool is used to contain reservoir bottom water, the treatment pool has a biological purification area, and aquatic plants are planted in the biological purification area. The first water pipe is arranged between the treatment pool and the hatching tank, and the first water pipe can connect the treatment pool with the hatching tank so that the water purified in the biological purification area can reach the hatching tank. The second water pipe is arranged between the hatching tank and the breeding pool, and the second water pipe can connect the hatching tank with the breeding pool so that the water in the hatching tank can reach the breeding pool.

2. The fish farming system using reservoir bottom water according to claim 1, characterized in that: The treatment pool is provided with a reservoir bottom water inlet pipe, and the treatment pool has a sedimentation area. The sedimentation area receives the reservoir bottom water discharged from the reservoir bottom water inlet pipe. A first dividing dam is fixedly provided between the sedimentation area and the biological purification area. A first filter net is fixedly provided on the first dividing dam, and the upper and middle parts of the water in the sedimentation area can pass through the first filter net and enter the biological purification area.

3. The fish culture system using reservoir bottom water according to claim 2, characterized in that: The treatment pool has a lifting area, which is connected to the first water pipe. A second dividing dam is fixedly provided between the lifting area and the biological purification area. A second filter net is fixedly provided on the second dividing dam. Water in the biological purification area can pass through the second filter net into the lifting area. An aerator is fixedly provided in the lifting area.

4. The fish culture system using reservoir bottom water according to claim 3, characterized in that: A temperature increasing rod is fixedly provided in the lifting area.

5. The fish culture system using reservoir bottom water according to claim 4, characterized in that: An ultraviolet disinfection lamp is fixedly arranged in the first water pipe.

6. The fish culture system using reservoir bottom water according to claim 5, characterized in that: A plurality of solar panels are fixedly installed in the lifting area, each of which is electrically connected to the oxygenator, the heating rod and the ultraviolet disinfection lamp, and each of which is used to supply power to the oxygenator, the heating rod and the ultraviolet disinfection lamp.

7. The fish culture system using reservoir bottom water according to claim 1, characterized in that: It also includes a third water pipe, which is arranged between the breeding pond and the treatment pond. The third water pipe can connect the breeding pond with the treatment pond so that the water in the breeding pond can reach the treatment pond.

8. The fish culture system using reservoir bottom water according to claim 1, characterized in that: A plurality of hatching tanks are arranged in parallel between the first water pipe and the second water pipe.

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