Double-layer fishpond

Abstract

The utility model discloses a double-layer fishpond which comprises a box body, a first partition plate is transversely installed in the box body to divide the box body into a fish living area and a water circulation filtering area, and a sedimentation bin is arranged on the outer side of the box body in an extending mode. A second partition plate is longitudinally fixed in the precipitation bin in a sealed mode to divide the precipitation bin into a fish manure precipitation area and a primary filtering area, and a fish blocking net and a gate are sequentially installed between the fish living area and the fish manure precipitation area; a first overflow port is formed in the second partition plate; a first filter screen is transversely mounted in the middle of the primary filter area; a water inlet hole communicated with the water circulation filtering area is formed below the first filter screen, and an excrement discharge pipe is mounted at the bottom of the fish excrement settling area; the water circulation filtering area is communicated with the fish living area through a water inlet pipe; a drainage pipe is mounted at the bottom of the box body and is communicated with the precipitation bin and the water circulation filtering area respectively. The double-layer fishpond integrates breeding and filtering, the site is saved, automatic circulating pollution discharge and filtering unattended breeding is achieved, and the breeding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of agricultural facilities, in particular to a double-layer fish pond. Background Art

[0002] Traditional aquaculture typically utilizes single-layer ponds, which have numerous drawbacks, including inadequate filtration systems and low water resource utilization. Lack of a suitable filtration system can lead to deteriorating water quality, impacting fish health, while low water resource utilization reduces unit water output, hindering a stable and efficient supply of aquatic products. Therefore, in order to improve aquaculture efficiency and reduce production costs, the development of more scientific equipment suitable for factory fish farming is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a double-layer fish pond.

[0004] The technical solution for achieving the purpose of the utility model is: a double-layer fish pond, which includes an open box body, a first partition plate is installed horizontally inside the box body, the edge of the first partition plate is sealed and fixed to the inner wall of the box body, the upper part of the first partition plate is the fish living area, the lower part of the first partition plate is the water circulation filtration area, the outer side of the box body is provided with a sedimentation bin extending along the length direction of the box body, the first partition plate is inclined downward relative to the horizontal plane on the side of the sedimentation bin; a second partition plate is sealed and fixed longitudinally inside the sedimentation bin, the second partition plate divides the sedimentation bin into a fish feces sedimentation area and a primary filtration area, the fish feces sedimentation area and the primary filtration area are arranged along the width direction of the box body, and the fish living area and the fish feces sedimentation area are arranged in sequence. A fish-blocking net and a gate are installed, the mesh size of the fish-blocking net is limited to that through which fish feces can pass, and a feces discharge pipe is installed at the bottom of the fish feces sedimentation area; a first overflow port is provided on the second partition plate, which passes through the primary filtration area and the fish feces sedimentation area, and a first filter screen is installed horizontally in the middle of the primary filtration area, and the horizontal position of the first filter screen is lower than the horizontal position of the first overflow port; a water inlet hole connected to the water circulation filtration area is provided on the inner wall of the primary filtration area below the first filter screen; the water circulation filtration area is connected to the fish living area through a water inlet pipe, and the water inlet pipe is located on the opposite side of the water inlet hole, and a water pump is installed on the water inlet pipe; a drain pipe is installed at the bottom of the box body, and the drain pipe is connected to the sedimentation bin and the water circulation filtration area respectively.

[0005] Furthermore, a fish feces observation window is installed on the sedimentation bin.

[0006] Furthermore, the inclination angle of the first partition plate is 1° to 5°.

[0007] Furthermore, the bottom of the sedimentation bin is tilted downward from one side of the second partition plate to the opposite side of the second partition plate.

[0008] Furthermore, the first filter screen is in the shape of a bucket that is larger at the top and smaller at the bottom.

[0009] Furthermore, a second filter screen is installed on the first overflow port.

[0010] Furthermore, an overflow pipe is provided in the fish manure sedimentation area, a second overflow port is opened on the upper end side of the overflow pipe, and the overflow pipe is communicated with the drain pipe.

[0011] Furthermore, several filter units are installed in the water circulation filter area, and each filter unit is arranged at intervals along the length direction of the water circulation filter area. The filter unit includes a filter cartridge, and the two ends of the filter cartridge are respectively sealed and fixed to the two end faces in the width direction of the water circulation filter area, and water baffles are sealed on the upper and lower sides of the filter cartridge.

[0012] Furthermore, a plurality of water quality observation windows are installed at intervals on the side walls of the water circulation and filtration area. Each area has an observation window to monitor water quality changes in real time.

[0013] The double-layer fish pond realized by the utility model has the following advantages:

[0014] 1. The double-layer fish pond integrates breeding and filtration, saving space, realizing automatic circulation sewage filtration and unmanned breeding, and improving breeding efficiency.

[0015] 2. Recycling of purified water saves water resources.

[0016] 3. The first partition board is designed with an inclination, which makes it difficult for fish excrement and residual fish food to accumulate. Fish excrement and residual fish food will be collected in the sedimentation bin with the water flow and discharged regularly through the feces pipe, so that the water can be kept in a good condition for a long time.

[0017] 4. The double-layer fish pond is movable and can be put into use as long as there is a suitable site. The installation period is short and the production is fast, without the need to invest in high-cost infrastructure.

[0018] 5. Simple operation, no complicated program control, and easy maintenance in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the double-layer fish pond according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the top view of the double-layer fish pond according to an embodiment of the present utility model;

[0021] Figure 3 for Figure 2 AA sectional view;

[0022] Figure 4 This is a schematic diagram of the main structure of the double-layer fish pond according to an embodiment of the present utility model;

[0023] Figure 5 for Figure 4 BB-direction cross-sectional structural diagram;

[0024] Figure 6 This is a schematic diagram of the top structure of the water circulation filtration area described in an embodiment of the present utility model.

[0025] The arrows represent the direction of water flow. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] like Figures 1 to 6 As shown, a double-layer fish pond includes an open box body 1, a first partition plate 11 is installed horizontally inside the box body 1, the edge of the first partition plate 11 is sealed and fixed to the inner wall of the box body 1, the above the first partition plate 11 is the fish living area 10, the below of the first partition plate 11 is the water circulation filtration area 20, the outside of the box body 1 is provided with a sedimentation bin 2 extending along the length direction of the box body 1, the first partition plate 11 is tilted downward relative to the horizontal plane toward the side of the sedimentation bin 2, and the inclination angle a of the first partition plate is 1° to 5°.

[0028] The interior of the sedimentation bin 2 is longitudinally sealed and fixed with a second partition plate 21, which divides the sedimentation bin 2 into a fish feces sedimentation area 30 and a primary filtration area 40. The fish feces sedimentation area 30 and the primary filtration area 40 are arranged along the width direction of the box body 1, and a fish blocking net 3 and a gate 4 are installed in sequence between the fish living area 10 and the fish feces sedimentation area 30. The mesh size of the fish blocking net 3 is limited to allow fish feces to pass through; the second partition plate 21 is provided with a first overflow port 22 that passes through the primary filtration area 30 and the fish feces sedimentation area 30, and a first filter screen 5 is horizontally installed in the middle of the primary filtration area 40, and the horizontal position of the first filter screen 5 is lower than the first overflow port The flow outlet 22 is in a horizontal position, and the first filter screen 5 is in a bucket shape with a larger top and a smaller bottom; a second filter screen 6 is installed on the first overflow port 22; an overflow pipe 23 is provided in the fish manure sedimentation area 30, and a second overflow port 231 is provided on the upper end side of the overflow pipe 23; the bottom 24 of the sedimentation bin 2 is tilted downward from one side of the second partition plate 21 to the opposite side of the second partition plate 21, and a feces discharge pipe 7 is installed at the bottom 24 of the sedimentation bin 2 where the fish manure sedimentation area 30 is located, and a fish manure observation window 8 is installed on the sedimentation bin 2; a water inlet hole 25 connected to the water circulation filtration area 20 is provided on the inner side wall of the primary filtration area 40 below the first filter screen 5.

[0029] The water circulation filtration area 20 is connected to the fish living area 10 via an inlet pipe 12. The inlet pipe 12 is located on the opposite side of the water inlet hole 25. A water pump (not shown) is installed on the inlet pipe 12. A drain pipe 13 is installed at the bottom of the box body 1. The drain pipe 13 is connected to the water circulation filtration area 20 and the overflow pipe 23 respectively. Several filter units 9 are installed in the water circulation filtration area 20. Each filter unit is arranged at intervals along the length of the water circulation filtration area 20. The filter unit 9 includes a filter cartridge 91. The two ends of the filter cartridge 91 are respectively sealed and fixed to the two end faces 101 of the width direction of the water circulation filtration area 10. Water retaining plates 92 are sealed and installed on the upper and lower sides of the filter cartridge 91. Several water quality observation windows 102 are installed at intervals on the side walls of the water circulation filtration area 10.

[0030] During operation, the aeration pipes in the fish living area provide oxygen to the fish. Fish feces flow along the slope of the first partition plate, through the fish net and gate, and slowly flow into the sedimentation tank. The water is filtered by the second filter on the first overflow outlet and then enters the first filter in the primary filtration area for secondary filtration. The water then flows through the water inlet hole into the water circulation filtration area. The water in the water circulation filtration area passes through each filter unit along the length of the water circulation area to complete the water purification. Finally, it is pumped into the fish living area through the water inlet pipe by a water pump, completing the automatic water circulation. Fish feces and leftover fish food are collected in the sedimentation tank with the water flow and regularly discharged through the feces discharge pipe, keeping the water in good condition for a long time. To further improve land utilization, two or even three double-layer fish ponds can be stacked on top of each other.

[0031] The plates used for making a double-layer fish pond according to the present invention may be plastic plates, stainless steel plates, iron plates, etc.; the shape of the sedimentation bin is not limited, and may be of the same height and width as the box body, and is easy to process and manufacture; the fish feces observation window and water quality observation window may be added as needed, and the addition of the fish feces observation window and water quality observation window may allow the water quality changes to be grasped in real time; the inclination angle of the first partition plate is preferably 1° to 5°, which is conducive to the fish feces and residual fish food being collected with the water flow and regularly discharged from the tail fish feces trough; the structure of the first filter screen is not limited to that shown in the embodiment, and this structure has the advantage of a large filtration area; the second filter screen is set as needed, and the addition of the second filter screen may improve the filtration efficiency of the sedimentation bin; the second overflow port is set as needed, and when the amount of water is too much, the excess water will flow away from the second overflow port; the structure of the water circulation filtration area is not limited to that shown in the embodiment, and may also be other water filtration system structures in the field of aquaculture, as long as the water quality can be purified to meet the aquaculture standards.

[0032] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A double-layer fish pond, characterized by: The invention comprises an open box body, wherein a first partition plate is transversely installed inside the box body, and an edge of the first partition plate is sealed and fixed to the inner wall of the box body, the upper part of the first partition plate is a fish living area, and the lower part of the first partition plate is a water circulation filtration area, and a sedimentation bin is provided on the outer side of the box body along the length direction of the box body, and the first partition plate is tilted downward relative to the horizontal plane on one side of the sedimentation bin; a second partition plate is longitudinally sealed and fixed inside the sedimentation bin, and the second partition plate divides the sedimentation bin into a fish feces sedimentation area and a primary filtration area, and the fish feces sedimentation area and the primary filtration area are arranged along the width direction of the box body, and a fish net and a gate are sequentially installed between the fish living area and the fish feces sedimentation area. The mesh size of the fish blocking net is limited to that through which fish feces can pass, and a feces discharge pipe is installed at the bottom of the fish feces sedimentation area; a first overflow port is installed on the second partition plate, which passes through the primary filtration area and the fish feces sedimentation area, and a first filter screen is installed horizontally in the middle of the primary filtration area, and the horizontal position of the first filter screen is lower than the horizontal position of the first overflow port; a water inlet hole connected to the water circulation filtration area is provided on the inner wall of the primary filtration area below the first filter screen; the water circulation filtration area is connected to the fish living area through a water inlet pipe, and the water inlet pipe is located on the opposite side of the water inlet hole, and a water pump is installed on the water inlet pipe; a drain pipe is installed at the bottom of the box body, and the drain pipe is respectively connected to the sedimentation bin and the water circulation filtration area.

2. The double-layer fish pond according to claim 1, characterized in that: A fish excrement observation window is installed on the sedimentation bin.

3. The double-layer fish pond according to claim 1, characterized in that: The inclination angle of the first partition plate is 1° to 5°.

4. The double-layer fish pond according to claim 1, characterized in that: The bottom of the sedimentation bin is tilted downward from one side of the second partition plate to the opposite side of the second partition plate.

5. The double-layer fish pond according to claim 1, characterized in that: The first filter screen is in the shape of a bucket with a larger top and a smaller bottom.

6. The double-layer fish pond according to claim 1, characterized in that: A second filter screen is installed on the first overflow port.

7. The double-layer fish pond according to claim 1, characterized in that: An overflow pipe is provided in the fish feces sedimentation area, a second overflow port is opened on the upper end side of the overflow pipe, and the overflow pipe is communicated with the drain pipe.

8. The double-layer fish pond according to claim 1, characterized in that: Several filter units are installed in the water circulation filter area, and each filter unit is arranged at intervals along the length direction of the water circulation filter area. The filter unit includes a filter cartridge, and the two ends of the filter cartridge are respectively sealed and fixed to the two end faces in the width direction of the water circulation filter area. Water retaining plates are sealed on the upper and lower sides of the filter cartridge.

9. The double-layer fish pond according to claim 8, characterized in that: A plurality of water quality observation windows are installed at intervals on the side walls of the water circulation filtration area.

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