Bottom oxygenation device for shrimp and crab culture

Abstract

The utility model discloses a shrimp and crab culture bottom oxygenation device which comprises a base plate, an air pump is fixedly installed on the top of the base plate, an air outlet pipe is fixedly connected to the outer wall of the left side of the air pump, an air conveying hose is fixedly connected to the outer wall of the left side of the air outlet pipe, and a connecting pipe is fixedly connected to the bottom of the air conveying hose. A gas storage cylinder is fixedly connected to the bottom of the connecting pipe, a plurality of gas spraying branch pipes are fixedly installed in the middle of the outer surface of the gas storage cylinder and tangent to the outer surface of the gas storage cylinder, and a bottom plate is fixedly connected to the bottom of the gas storage cylinder; a fixing ring is fixedly connected to the top of the outer surface of the air cylinder, and a breathable protective shell is movably connected to the bottom of the fixing ring. According to the aeration device, the aeration opening can be prevented from being blocked by microorganisms by arranging the breathable protective shell and the air injection branch pipe, and the aeration depth can be freely adjusted by arranging the inhaul cable.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, in particular to a bottom aeration device for shrimp and crab farming. Background Art

[0002] Shrimp-crab polyculture is an ecological aquaculture mode of polyculture of two different crustaceans. This mode mainly utilizes their different habitats. For example, crabs inhabit the bottom layer of the shrimp pond, which can make full use of the residual bait of prawns, play a role in purifying water quality, and at the same time can also achieve good economic benefits.

[0003] In actual aeration use of the prior art, due to the large number of microorganisms in the pond, and the pipes and aeration ports are both arranged at the bottom of the pond. As the use time increases, microorganisms attach and grow in the pipes and aeration ports, causing the aeration pipes to be blocked, and the aeration depth of the aeration device is fixed and cannot be adjusted, so it cannot adapt to oxygen supply at different depths and is limited in use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a bottom aeration device for shrimp and crab farming.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: It includes a base plate, an air pump is fixedly installed on the top of the base plate, an air outlet pipe is fixedly connected to the left outer wall of the air pump, an air delivery hose is fixedly connected to the left outer wall of the air outlet pipe, a connecting pipe is fixedly connected to the bottom of the air delivery hose, one end of the air delivery hose far away from the air outlet pipe extends below the base plate, a gas storage cylinder is fixedly connected to the bottom of the connecting pipe, a jet branch pipe is fixedly installed in the middle of the outer surface of the gas storage cylinder, the number of the jet branch pipes is multiple, the jet branch pipes are tangent to the outer surface of the gas storage cylinder, a bottom plate is fixedly connected to the bottom of the gas storage cylinder, a fixing ring is fixedly connected to the top of the outer surface of the gas storage cylinder, and a breathable protective shell is movably connected to the bottom of the fixing ring.

[0006] As a further description of the above technical scheme:

[0007] Through holes are formed in the outer surface of the base plate, and the cable is located inside the through holes.

[0008] As a further description of the above technical scheme:

[0009] A support frame is fixedly connected between the bottom of the base plate and the outer wall of the air delivery hose, and the number of the support frames is two.

[0010] As a further description of the above technical scheme:

[0011] Float cylinders are fixedly installed at the bottom of the base plate, the number of the float cylinders is two, and the two float cylinders are respectively installed at the left and right ends of the base plate.

[0012] As a further description of the above technical solution:

[0013] A connecting block is fixedly connected to the left side of the top of the air storage cylinder. A first disc is fixedly installed on the left side of the top of the substrate. A motor is fixedly connected to the outer wall of the front side of the first disc. The output end of the motor is fixedly connected to a rotating shaft. The other end of the rotating shaft is connected to a second disc. A round roller is fixedly connected to the outer surface of the rotating shaft. A cable is movably connected to the outer surface of the round roller. One end of the cable away from the round roller is fixedly connected to the top of the connecting block.

[0014] As a further description of the above technical solution:

[0015] A fixing block is fixedly connected to the outer wall of the front end of the second disc. The outer wall of the fixing block is fixedly connected to one end of the cable away from the connecting block.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, for this bottom aeration device for shrimp and crab farming, by setting the jet branch pipe and the breathable protective shell, during use, the air pump supplies air into the air delivery hose through the air outlet pipe. The gas passes through the air delivery hose, enters the air storage cylinder through the connecting pipe, and is discharged through the jet branch pipe on the outer surface of the air storage cylinder. The gas ejection direction is tangent to the outer surface of the air storage cylinder, pushing the breathable protective shell to rotate along the bottom of the fixed ring, and the gas is discharged from the breathable holes on the surface of the breathable protective shell. Compared with the prior art where there is no protection measure for the oxygen outlet, microorganisms attach to and grow in the pipeline and the oxygen outlet, causing the oxygen outlet to be blocked. This bottom aeration device for shrimp and crab farming can protect and clean the oxygen outlet, avoiding the oxygen outlet being blocked by microorganisms.

[0018] 2. Compared with the prior art, for this bottom aeration device for shrimp and crab farming, by setting the cable, when the motor is started during use, the output end of the motor drives the rotating shaft to rotate, the rotating shaft drives the round roller to rotate, the round roller drives the cable on the surface to rotate and be tensioned, the cable drives the connecting block to move, and the connecting block drives the air storage cylinder to move, thereby adjusting the oxygen supply depth. Compared with the prior art where the length of the oxygen supply pipe is fixed and cannot be tensioned, and the oxygen supply depth cannot be adjusted, this bottom aeration device for shrimp and crab farming can freely adjust the position of the air storage cylinder, thereby adjusting the oxygen supply depth. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a front view of the overall structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the air storage cylinder in the utility model;

[0022] Figure 4 Internal structure diagram of the present utility model;

[0023] Figure 5 Partial structure diagram of the present utility model.

[0024] Legend description:

[0025] 1. Substrate; 2. Air pump; 3. Air outlet pipe; 4. Air delivery hose; 5. Connecting pipe; 6. Air storage cylinder; 7. Fixed ring; 8. Breathable protective shell; 9. Jet branch pipe; 10. Bottom plate; 11. Connecting block; 12. First disc; 13. Motor; 14. Rotating shaft; 15. Round roller; 16. Through hole; 17. Cable; 18. Support frame; 19. Floating cylinder; 20. Second disc; 21. Fixed block. Specific implementation manner

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the following further details the present application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0027] Referring to Figures 1-5 , a bottom aeration device for shrimp and crab farming provided by the present utility model: includes a substrate 1, an air pump 2 is fixedly installed on the top of the substrate 1, an air outlet pipe 3 is fixedly connected to the left outer wall of the air pump 2 for facilitating the delivery of gas, an air delivery hose 4 is fixedly connected to the left outer wall of the air outlet pipe 3, a connecting pipe 5 is fixedly connected to the bottom of the air delivery hose 4, one end of the air delivery hose 4 away from the air outlet pipe 3 extends below the substrate 1, a connecting pipe 5 is fixedly connected to the bottom of the air storage cylinder 6 for storing a large amount of delivered gas, a jet branch pipe 9 is fixedly installed in the middle of the outer surface of the air storage cylinder 6, the number of jet branch pipes 9 is multiple, the jet branch pipes 9 are tangent to the outer surface of the air storage cylinder 6, which is beneficial to the jet to push the breathable protective shell 8 to rotate and improves the operation efficiency of the device, the bottom of the air storage cylinder 6 is fixedly connected to a bottom plate 10 to improve the stability of the device, a fixed ring 7 is fixedly connected to the top of the outer surface of the air storage cylinder 6, a breathable protective shell 8 is movably connected to the bottom of the fixed ring 7, and the breathable protective shell 8 can rotate along the bottom of the fixed ring 7.

[0028] As Figures 1-2 shown, through holes 16 are provided on the outer surface of the substrate 1, a cable 17 is located inside the through holes 16 for facilitating the retraction of the cable 17, a support frame 18 is fixedly connected between the bottom of the substrate 1 and the outer wall of the air delivery hose 4, and the number of support frames 18 is two to improve the stability of the device, a floating cylinder 19 is fixedly installed at the bottom of the substrate 1, the number of floating cylinders 19 is two, and the two floating cylinders 19 are respectively installed at the left and right ends of the substrate 1 to improve the overall stability.

[0029] As Figure 1 andFigure 4 As shown in the figure, a connecting block 11 is fixedly connected to the left side of the top of the air storage cylinder 6, which is convenient for connecting the cable 17. A first disc 12 is fixedly installed on the left side of the top of the substrate 1. A motor 13 is fixedly connected to the outer wall of the front side of the first disc 12. The output end of the motor 13 is fixedly connected to a rotating shaft 14. The output end of the motor 13 drives the rotating shaft 14 to rotate. The other end of the rotating shaft 14 is connected to a second disc 20. A roller 15 is fixedly connected to the outer surface of the rotating shaft 14. The rotating shaft 14 drives the roller 15 to rotate. A cable 17 is movably connected to the outer surface of the roller 15. The roller 15 drives the cable 17 to rotate and wind. One end of the cable 17 away from the roller 15 is fixedly connected to the top of the connecting block 11. The cable 17 drives the connecting block 11 to move, improving the operation efficiency of the device.

[0030] As Figure 5 shown in the figure, a fixing block 21 is fixedly connected to the outer wall of the front end of the second disc 20. The outer wall of the fixing block 21 is fixedly connected to one end of the cable 17 away from the connecting block 11, which is convenient for winding and pulling the cable 17 and improving the stability of the device.

[0031] Working principle: When in use, first start the motor 13. The output end of the motor 13 drives the rotating shaft 14 to rotate. The rotating shaft 14 drives the roller 15 to rotate. The roller 15 drives the cable 17 on its surface to rotate and be pulled. The cable 17 drives the connecting block 11 to move. The connecting block 11 drives the air storage cylinder 6 to move to adjust the oxygen supply depth. Then, the air pump 2 supplies air into the inner part of the air delivery hose 4 through the air outlet pipe 3. The gas passes through the air delivery hose 4 and enters the air storage cylinder 6 through the connecting pipe 5. The gas is discharged through the jet branch pipe 9 on the outer surface of the air storage cylinder 6. The gas ejection direction is tangent to the outer surface of the air storage cylinder 6, pushing the breathable protective shell 8 to rotate along the bottom of the fixed ring 7. The gas is discharged from the breathable holes on the surface of the breathable protective shell 8 to oxygenate the bottom.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bottom oxygenation device for shrimp and crab farming, comprising a base plate (1), characterized in that: An air pump (2) is fixedly mounted on the top of the base plate (1); an air outlet pipe (3) is fixedly connected to the left outer wall of the air pump (2); an air delivery hose (4) is fixedly connected to the left outer wall of the air outlet pipe (3); a connecting pipe (5) is fixedly connected to the bottom of the air delivery hose (4); one end of the air delivery hose (4) away from the air outlet pipe (3) extends to the bottom of the base plate (1); an air storage cylinder (6) is fixedly connected to the bottom of the connecting pipe (5); an air jet branch pipe (9) is fixedly mounted on the middle of the outer surface of the air storage cylinder (6); a plurality of air jet branch pipes (9) are provided; the air jet branch pipes (9) are tangent to the outer surface of the air storage cylinder (6); a bottom plate (10) is fixedly connected to the bottom of the air storage cylinder (6); a fixing ring (7) is fixedly connected to the top of the outer surface of the air storage cylinder (6); and a breathable protective shell (8) is movably connected to the bottom of the fixing ring (7).

2. The bottom oxygenation device for shrimp and crab farming according to claim 1 is characterized in that: A support frame (18) is fixedly connected between the bottom of the base plate (1) and the outer wall of the gas delivery hose (4), and the number of the support frames (18) is two.

3. The bottom oxygenation device for shrimp and crab farming according to claim 2 is characterized in that: A buoy (19) is fixedly mounted on the bottom of the base plate (1), and there are two buoys (19), which are respectively mounted on the left and right ends of the base plate (1).

4. The bottom oxygenation device for shrimp and crab farming according to claim 1 is characterized in that: The top left side of the gas storage cylinder (6) is fixedly connected to a connecting block (11); the top left side of the base plate (1) is fixedly installed with a first disc (12); the front outer wall of the first disc (12) is fixedly connected to a motor (13); the output end of the motor (13) is fixedly connected to a rotating shaft (14); the other end of the rotating shaft (14) is connected to a second disc (20); the outer surface of the rotating shaft (14) is fixedly connected to a roller (15); the outer surface of the roller (15) is movably connected to a cable (17); the end of the cable (17) away from the roller (15) is fixedly connected to the top of the connecting block (11).

5. The bottom oxygenation device for shrimp and crab farming according to claim 4 is characterized in that: A through hole (16) is provided on the outer surface of the substrate (1), and the pull cable (17) is located inside the through hole (16).

6. The bottom oxygenation device for shrimp and crab farming according to claim 4 is characterized by: A fixing block (21) is fixedly connected to the outer wall of the front end of the second disc (20), and the outer wall of the fixing block (21) is fixedly connected to an end of the cable (17) away from the connecting block (11).

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