Experimental freshwater fish culture device

Abstract

The utility model provides an experimental freshwater fish culture device, and belongs to the technical field of aquaculture. According to the structure of the device, a filling pump is arranged on an output pipe, a heater and a temperature sensor are arranged in a main water tank, an aeration disc is fixed to the inner bottom face of the main water tank, a plurality of filling pipes are connected to a filling pipe frame and extend into a plurality of breeding tanks respectively, and water pumping pipes are arranged in the breeding tanks. A plurality of water pumping pipes are connected to a water pumping pipe frame, the water pumping pipe frame is connected to the hard pipe section through a backflow pipe, and a water pump is arranged on the backflow pipe. According to the utility model, the distribution relation between the main water tank and each culture tank is constructed, when water in each culture tank needs to be changed, each valve and each water pump are opened, and sewage in each culture tank is replaced by clean water in the main water tank, so that an efficient and flexible water changing function is realized. When the overall cleanliness of the water in the system is obviously reduced, only the water in the main water tank needs to be changed; in addition, the filter located in the main water tank can prolong the water changing period of the main water tank.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the aquaculture technical field, concretely is an experimental freshwater fish culture device. BACKGROUND

[0002] Freshwater fish culture is an industrial activity of feeding fish by feeding feed, fertilizer or relying on natural bait in pond, reservoir, lake and other freshwater bodies. Compared with other aquaculture activities, freshwater fish culture is a category with higher technical level and refinement degree, and the technical level has a significant impact on yield and quality, which is the main factor determining economic benefits.

[0003] The technical requirements of freshwater fish culture include pond condition control and water quality management. The oxygen solubility of the pond should be controlled at 3-7mg / L, the water transparency is 30-60cm, the pH value should be between 7.8-8.6, the water temperature is adjusted according to the variety of the fish, and the ammonia nitrogen content should be controlled below 0.2mg / L. The daily feeding amount should be adjusted according to the weather and water temperature to ensure the pond water clean and sanitary, and the disease prevention and control work is done well. In addition to the above typical technical requirements, the breeding conditions need to be repeatedly explored during the process research and development stage. Since different breeding conditions are often constructed during this process, at present, it is mostly realized by several small culture tanks. During the experimental process lasting for several months, the water of each small culture tank needs to be changed regularly, which is a very large workload and occupies a large amount of man-hours. SUMMARY

[0004] The technical problem to be solved by the utility model is: for a large number of small culture tanks, how to simplify the cumbersome operation of changing water one by one.

[0005] In order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0006] An experimental freshwater fish breeding device includes a main water tank, a breeding tank, a filter, an output port, an output pipe, a heater, an aeration plate, a return pipe, a first control valve, a filling pipe rack, a second control valve, a filling pipe, a filling pump, a water pump, a water pipe rack, a third control valve, a water pipe, a temperature sensor, a slot, and a hard pipe section. A filter is horizontally intercepted in the main water tank, an output port is provided at the lower part of the main water tank, the output port is connected to the filling pipe rack through the output pipe, a filling pump is provided on the output pipe, a heater and a temperature sensor are respectively provided in the main water tank, and a filter is provided at the bottom of the main water tank. An aeration plate is fixed to the inner bottom surface of the water tank, a first control valve is provided at the output port, several filling pipes are connected to the filling pipe rack, a second control valve is provided on the filling pipes, and the several filling pipes extend to several breeding tanks respectively. A water pump is provided in the breeding tank, and the several water pumps are connected to the water pump rack. A third control valve is provided on the water pump rack. The water pump rack is connected to the hard pipe section through a return pipe, and a water pump is provided on the return pipe. The hard pipe section is fixed on the slot, and the slot is plugged into the upper end of the wall panel of the main water tank. The hard pipe section and the output port are respectively located on the upper and lower sides of the filter.

[0007] Preferably, a mounting plate is fixedly connected to the lower portion of the side wall of the main water tank, and the heater and the temperature sensor are respectively mounted on the mounting plate.

[0008] Preferably, the hard pipe section is in a broken line shape, the rear section of the hard pipe section is fixed horizontally on the slot, and the front section of the hard pipe section is inclined downward.

[0009] Preferably, the width of the slot at the opening is smaller than the width of the slot at the root, and the thickness of the wall panel is between the width of the slot at the opening and the width of the slot at the root.

[0010] Preferably, a boss is provided on the inner wall of the main water tank, and the filter is fixedly connected to the boss.

[0011] Preferably, the filter comprises a grooved frame, a pressing frame and filter material, wherein the filter material is embedded in the grooved frame, a pressing frame is pressed on the upper end of the edge of the filter material, and the pressing frame and the grooved frame are connected by bolts to press and fix the filter material.

[0012] Preferably, the aeration holes of the aeration plate extend linearly, a vertically extending partition is provided in the main water tank, a gap is provided between the bottom end of the partition and the inner bottom surface of the main water tank, and a interlayer is provided between the partition and the side wall of the main water tank. The extension pipe connected to the aeration plate passes through the gap and passes upward through the interlayer to exit the main water tank.

[0013] Preferably, the slot is plugged into the partition.

[0014] In the above technical scheme, the main water tank serves as a water storage space and is used for arranging the filter; the culture tanks serve as experimental culture spaces; the filter is used for filtering and purifying the backflow water in the main water tank; the output port sends the water filtered by the filter to the filling pipe frame through the output pipe, and then sends the water to the culture tanks through the filling pipes, and the filling pump provides power for the process. The heater and the temperature sensor are used for adjusting the water temperature. The aerator serves to increase oxygen. The first control valve is used for controlling the on-off of the output pipe. The filling pipe frame is a multi-pass structure, and sends the water from the output pipe to the filling pipes. The second control valve is used for controlling the on-off of the filling pipes. The water pump is used for providing power to draw the water in the culture tanks, and the water is sent back to the main water tank through the water drawing pipe, the water drawing pipe frame, the backflow pipe and the hard pipe section in turn, and the third control valve is used for controlling the on-off of the water drawing pipe. The insertion slot facilitates the row fixing of the hard pipe section.

[0015] The utility model provides a kind of experimental freshwater fish culture device. This device constructs the distribution relationship of main water tank and several culture tanks, when needing to replace water to each culture tank, open each valve and water pump, replace the sewage in each culture tank by the clean water pre-injected in main water tank, realize efficient flexible water-replacing function. When the overall cleanliness of water in system significantly decreases, only need to replace water to main water tank;And, filter located in main water tank can extend the water-replacing period of main water tank to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall view of the utility model;

[0017] Fig. 2 It is the structure diagram of main water tank and filter in the utility model;

[0018] Fig. 3 It is the split state diagram of filter in the utility model;

[0019] In the drawing:

[0020] 1, main water tank 2, culture tank 3, filter 4, output port

[0021] 5, output pipe 6, heater 7, aerator 8, backflow pipe

[0022] 9, first control valve 10, filling pipe frame 11, second control valve 12, filling pipe

[0023] 13, filling pump 14, water pump 15, water drawing pipe frame 16, third control valve

[0024] 17, water drawing pipe 18, mounting plate 19, temperature sensor 20, insertion slot

[0025] 21, hard pipe section 22, boss 23, frame body with slot 24, pressing frame

[0026] 25 filter material 26 aeration hole 27 extension pipe 28 partition. DETAILED DESCRIPTION

[0027] The specific embodiments of the present application will be described in detail below. In order to avoid too many unnecessary details, the structures or functions which are well known will not be described in detail in the following examples. The approximate language used in the following examples can be used for quantitative expression, indicating that the amount can be allowed to have certain changes without changing the basic functions. Unless defined, the technical and scientific terms used in the following examples have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] Example 1

[0029] An experimental freshwater fish breeding device, such as Figs. 1-3As shown, it includes a main water tank 1, a breeding tank 2, a filter 3, an output port 4, an output pipe 5, a heater 6, an aeration plate 7, a return pipe 8, a first control valve 9, a filling pipe rack 10, a second control valve 11, a filling pipe 12, a filling pump 13, a water pump 14, a water pump rack 15, a third control valve 16, a water pump 17, a temperature sensor 19, a slot 20, and a hard pipe section 21. The filter 3 is intercepted laterally in the main water tank 1, an output port 4 is provided at the lower part of the main water tank 1, the output port 4 is connected to the filling pipe rack 10 through the output pipe 5, a filling pump 13 is provided on the output pipe 5, a heater 6 and a temperature sensor 19 are respectively provided in the main water tank 1, and a temperature sensor 19 is provided at the bottom of the main water tank 1. An aeration plate 7 is fixed to the inner bottom surface, a first control valve 9 is provided at the output port 4, a number of filling pipes 12 are connected to the filling pipe rack 10, a second control valve 11 is provided on the filling pipe 12, and the several filling pipes 12 extend to several breeding tanks 2 respectively. A water pumping pipe 17 is provided in the breeding tank 2, and the several water pumping pipes 17 are connected to the water pumping pipe rack 15. A third control valve 16 is provided on the water pumping pipe 17. The water pumping pipe rack 15 is connected to the hard pipe section 21 through the return pipe 8. A water pump 14 is provided on the return pipe 8. The hard pipe section 21 is fixed on the slot 20, and the slot 20 is plugged into the upper end of the wall panel of the main water tank 1. The hard pipe section 21 and the output port 4 are respectively located on the upper and lower sides of the filter 3. In the above technical solution, the main water tank 1 serves as a water storage space and also houses the filter 3. The aquaculture tanks 2 serve as experimental aquaculture spaces. The filter 3 filters and purifies the return water from the main water tank 1. The outlet 4 delivers water that has passed through the filter 3 via the outlet pipe 5 to the filling pipe rack 10, which then delivers it to each aquaculture tank 2 via filling pipes 12. The filling pump 13 provides power for this process. The heater 6 and temperature sensor 19 regulate the water temperature. The aeration disk 7 provides oxygen. The first control valve 9 controls the flow of the outlet pipe 5. The filling pipe rack 10 is a multi-way structure that delivers water from the outlet pipe 5 to each filling pipe 12. The second control valve 11 controls the flow of each filling pipe 12. The water pump 14 is used to provide power to pump water out of each aquaculture tank 2. This water is then returned to the main water tank 1 through the water pump pipe 17, the water pump rack 15, the return pipe 8, and the hard pipe section 21. The third control valve 16 is used to control the on / off of the water pump pipe 17. The slots 20 facilitate the fixed arrangement of the hard pipe sections 21.

[0030] Example 2

[0031] An experimental freshwater fish breeding device, such as Figs. 1-3As shown, it includes a main water tank 1, a breeding tank 2, a filter 3, an output port 4, an output pipe 5, a heater 6, an aeration plate 7, a return pipe 8, a first control valve 9, a filling pipe rack 10, a second control valve 11, a filling pipe 12, a filling pump 13, a water pump 14, a water pump rack 15, a third control valve 16, a water pump 17, a temperature sensor 19, a slot 20, and a hard pipe section 21. The filter 3 is intercepted laterally in the main water tank 1, an output port 4 is provided at the lower part of the main water tank 1, the output port 4 is connected to the filling pipe rack 10 through the output pipe 5, a filling pump 13 is provided on the output pipe 5, a heater 6 and a temperature sensor 19 are respectively provided in the main water tank 1, and a temperature sensor 19 is provided at the bottom of the main water tank 1. An aeration plate 7 is fixed to the interior bottom surface, a first control valve 9 is provided at the outlet 4, and several filling pipes 12 are connected to the filling pipe rack 10, each of which is equipped with a second control valve 11. The filling pipes 12 extend into several aquaculture tanks 2. A water extraction pipe 17 is provided in each aquaculture tank 2, connected to a water extraction pipe rack 15, each equipped with a third control valve 16. The water extraction pipe rack 15 is connected to a hard pipe section 21 via a return pipe 8, which is equipped with a water pump 14. The hard pipe section 21 is fixed to a slot 20, which is plugged into the upper end of the wall panel of the main water tank 1. The hard pipe section 21 and the outlet 4 are located above and below the filter 3, respectively. A mounting plate 18 is fixedly connected to the lower side wall of the main water tank 1, and the heater 6 and temperature sensor 19 are respectively mounted on the mounting plate 18. The hard pipe section 21 is in the shape of a broken line. The rear section of the hard pipe section 21 is horizontally fixed to the slot 20, and the front section of the hard pipe section 21 is tilted downward. The width of the slot 20 at the opening is smaller than the width of its root, and the thickness of the wall panel is between the width of the slot 20 at the opening and the width of the root. A boss 22 is provided on the inner wall of the main water tank 1, and the filter 3 is fixedly connected to the boss 22. The filter 3 includes a slotted frame 23, a pressing frame 24 and a filter material 25, wherein the filter material 25 is embedded in the slotted frame 23, and a pressing frame 24 is pressed on the upper end of the edge of the filter material 25. The pressing frame 24 and the slotted frame 23 are connected by bolts to press the filter material 25 tightly. Aeration holes 26 of aeration plate 7 extend linearly. A vertically extending partition 28 is located within main water tank 1. A gap exists between the bottom of partition 28 and the interior bottom of main water tank 1. A layer exists between partition 28 and the sidewalls of main water tank 1. Extension pipe 27 connected to aeration plate 7 passes through this gap and upward through the layer to exit main water tank 1. Slot 20 is inserted into partition 28.

[0032] The above embodiments of the present invention are described in detail, but the above contents are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the scope of application of the present invention shall be included in the scope of protection of the present invention.

Claims

1. An experimental freshwater fish breeding device, characterized in that The invention comprises a main water tank (1), a breeding tank (2), a filter (3), an output port (4), an output pipe (5), a heater (6), an aeration plate (7), a return pipe (8), a first control valve (9), a filling pipe rack (10), a second control valve (11), a filling pipe (12), a filling pump (13), a water pump (14), a water pump rack (15), a third control valve (16), a water pump (17), a temperature sensor (19), a slot (20), and a hard pipe section (21). The filter (3) is horizontally intercepted in the main water tank (1), an output port (4) is provided at the lower part of the main water tank (1), the output port (4) is connected to the filling pipe rack (10) through the output pipe (5), a filling pump (13) is provided on the output pipe (5), a heater (6) and a temperature sensor (19) are respectively provided in the main water tank (1), and a temperature sensor (19) is provided in the main water tank. An aeration plate (7) is fixed on the inner bottom surface of (1), a first control valve (9) is provided at the output port (4), a plurality of filling pipes (12) are connected to the filling pipe rack (10), a second control valve (11) is provided on the filling pipe (12), the plurality of filling pipes (12) respectively extend into a plurality of breeding tanks (2), a water extraction pipe (17) is provided in the breeding tank (2), the plurality of water extraction pipes (17) are connected to the water extraction pipe rack (15), a third control valve (16) is provided on the water extraction pipe (17), the water extraction pipe rack (15) is connected to the hard pipe section (21) through the return pipe (8), a water extraction pump (14) is provided on the return pipe (8), the hard pipe section (21) is fixed on the slot (20), the slot (20) is plugged into the upper end of the wall plate of the main water tank (1), the hard pipe section (21) and the output port (4) are respectively located on the upper and lower sides of the filter (3).

2. The experimental freshwater fish breeding device according to claim 1, characterized in that: A mounting plate (18) is fixedly connected to the lower portion of the side wall of the main water tank (1), and the heater (6) and the temperature sensor (19) are respectively mounted on the mounting plate (18).

3. The experimental freshwater fish breeding device according to claim 1, characterized in that: The hard pipe section (21) is in a broken line shape, the rear section of the hard pipe section (21) is fixed horizontally on the slot (20), and the front section of the hard pipe section (21) is inclined downward.

4. The experimental freshwater fish breeding device according to claim 1, characterized in that: The width of the slot (20) at the opening is smaller than the width of the root thereof, and the thickness of the wall plate is between the width of the slot (20) at the opening and the width of the root thereof.

5. The experimental freshwater fish breeding device according to claim 1, characterized in that: A boss (22) is provided on the inner wall of the main water tank (1), and the filter (3) is fixedly connected to the boss (22).

6. The experimental freshwater fish breeding device according to claim 1, characterized in that: The filter (3) comprises a grooved frame (23), a pressing frame (24) and a filter material (25), wherein the filter material (25) is embedded in the grooved frame (23), a pressing frame (24) is pressed on the upper end of the edge of the filter material (25), and the pressing frame (24) and the grooved frame (23) are connected by bolts to press and fix the filter material (25).

7. The experimental freshwater fish breeding device according to claim 1, characterized in that: The aeration holes (26) of the aeration plate (7) extend linearly. A vertically extending partition (28) is provided in the main water tank (1). A gap is provided between the bottom end of the partition (28) and the inner bottom surface of the main water tank (1). An interlayer is provided between the partition (28) and the side wall of the main water tank (1). An extension pipe (27) connected to the aeration plate (7) passes through the gap and passes upward through the interlayer to exit the main water tank (1).

8. The experimental freshwater fish breeding device according to claim 7, characterized in that: The slot (20) is plugged into the partition (28).

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