Aeration oxygenation device for small shed breeding

Abstract

The utility model belongs to the technical field of the oxygenation equipment of aquaculture, especially is involved with a kind of aeration oxygenation device for small shed cultivation, including float strip and gas supply pipe, the float strip upper side is equipped with tow rope, and lower side is equipped with aeration mechanism;The aeration mechanism includes adapter pipe, and one end of the adapter pipe is rotatably installed on the float strip, and the other end is equipped with rudder plate, the adapter pipe is spaced apart multiple along the length direction of the float strip, and there is the through gap capable of passing through the rudder plate between adjacent two adapter pipes, every adapter pipe is communicated with the gas supply pipe by swivel joint, and the rudder plate is equipped with several aeration holes communicated with the adapter pipe.The aeration oxygenation device for small shed cultivation has the advantages of simple structure, easy to use and good aeration oxygenation effect.

Description

Technical Field

[0001] This utility model belongs to the technical field of aquaculture oxygenation equipment, and in particular relates to an aeration and oxygenation device for small-scale aquaculture. Background Technology

[0002] Currently, the market demand for diversified shrimp products is growing, and single-species farming models can no longer meet the needs of industrial development. Freshwater shrimp, a traditional high-quality aquatic product in my country, is highly favored by consumers for its delicious meat and rich nutrition. In particular, the new variety "Taihu No. 3," bred by the Freshwater Fisheries Research Center of the Chinese Academy of Fishery Sciences, has characteristics such as rapid growth, strong disease resistance, and the ability to overwinter naturally. Moreover, a single introduction can be used for continuous breeding for three years, providing new germplasm resources for freshwater shrimp farming in northern regions.

[0003] Currently, the small-shed shrimp farming model has shown good adaptability in northern regions, with superior heat retention compared to traditional open-air ponds. Especially during the early spring low-temperature season, it effectively maintains stable water temperatures and promotes shrimp growth. However, small-shed farming requires continuous and efficient aeration equipment to maintain dissolved oxygen levels. Common technologies employ impeller-type, waterwheel-type, or microporous aerators, which work by dispersing air bubbles into the water through mechanical shearing or compression, increasing the gas-liquid contact area and thus raising dissolved oxygen concentration. However, due to the presence of surface-active substances such as proteins, polysaccharides, and oils in the water, the bubbles adsorb these substances as they rise, forming stable foam. This foam accumulates on the surface, forming a layer of scum several centimeters thick. Furthermore, the limited space inside the small shed makes manual cleaning difficult, causing the scum layer to isolate the air-water interface, hindering oxygen re-dissolution and affecting the aeration effect. Utility Model Content

[0004] In view of this, the present invention aims to propose an aeration and oxygenation device for small-scale aquaculture to solve the problem that foam tends to accumulate on the water surface during existing small-scale aquaculture aeration, thus affecting the oxygenation effect.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows: An aeration and oxygenation device for small-scale aquaculture includes floats and air supply pipes. A traction rope is provided above the floats, and an aeration mechanism is provided below them. The aeration mechanism includes a transfer pipe, one end of which is rotatably mounted on the floats, and the other end is provided with a rudder plate. Multiple transfer pipes are spaced apart along the length of the floats, and there is a passage gap between adjacent transfer pipes that allows the rudder plate to pass through. Each transfer pipe is connected to the air supply pipe through a rotary joint, and the rudder plate is provided with several aeration holes that communicate with the transfer pipes.

[0006] Furthermore, the rudder plate has an inclined surface above it, with one end of the inclined surface facing the adapter pipe. The aeration holes include upper aeration holes, which are located on the inclined surface.

[0007] Furthermore, the aeration holes include end aeration holes, which are located on the side of the rudder plate opposite to the transfer pipe.

[0008] Furthermore, the aeration holes include side aeration holes, which are arranged on both sides of the rudder plate.

[0009] Furthermore, the rudder plate and the adapter pipe are arranged in an L-shaped structure.

[0010] Furthermore, the float bar is provided with float plates, and two float plates are provided on both sides of the float bar, with the two float plates and the float bar arranged in an inverted T-shape.

[0011] Furthermore, the float bar has a recessed portion in the middle for gathering foam.

[0012] Furthermore, a baffle is provided above the float bar, and the length direction of the baffle is the same as the length direction of the float bar.

[0013] Furthermore, the float is made of foam plastic.

[0014] Compared with existing technologies, the aeration and oxygenation device for small-scale aquaculture described in this utility model has the following advantages: This utility model discloses an aeration and oxygenation device for small-scale aquaculture, which has the advantages of simple structure, ease of use, and good aeration and oxygenation effect. By using a traction rope to move the floats, not only can the aeration mechanism be moved, improving the oxygenation effect and uniformity of the water in all parts of the small greenhouse, but the floats can also clean up the foam on the water surface when they move. By collecting the foam at both ends of the small greenhouse, it is convenient for staff to clean up the foam, reducing the difficulty of cleaning the foam and improving the efficiency of subsequent oxygen integration into the water, thus ensuring the oxygen content in the water. Attached Figure Description

[0015] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings: Figure 1 This is a schematic diagram of the structure of an aeration and oxygenation device for small-scale aquaculture as described in an embodiment of this utility model; Figure 2 This is a schematic diagram of the structure of the float bars in an aeration and oxygenation device for small-scale aquaculture as described in an embodiment of this utility model; Figure 3This is a schematic diagram of the rudder plate in an aeration and oxygenation device for small-scale aquaculture as described in an embodiment of this utility model; Figure 4 This is a schematic diagram of the structure of an aeration and oxygenation device for small-scale aquaculture as described in an embodiment of this utility model, in which baffles are installed on the float bars.

[0016] Explanation of reference numerals in the attached figures: 1. Float bar; 2. Towing rope; 3. Air supply pipe; 4. Transfer pipe; 5. Rudder plate; 6. Rotary joint; 7. Float plate; 8. Angled section; 9. Upper aeration hole; 10. End aeration hole; 11. Side aeration hole; 12. Recessed part; 13. Baffle. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] An aeration and oxygenation device for small-scale aquaculture, such as Figures 1 to 4As shown, it includes a float 1 and an air supply pipe 3. A traction rope 2 is provided above the float 1 and an aeration mechanism is provided below it. The aeration mechanism includes a transfer pipe 4. One end of the transfer pipe 4 is rotatably mounted on the float 1, and the other end is provided with a rudder plate 5. Multiple transfer pipes 4 are spaced apart along the length of the float 1. There is a passage gap between two adjacent transfer pipes 4 that allows the rudder plate 5 to pass through. Each transfer pipe 4 is connected to the air supply pipe 3 through a rotary joint 6. The rudder plate 5 is provided with several aeration holes that communicate with the transfer pipe 4.

[0022] For example, the float 1 is made of foam plastic and has a clamp for fixing the air supply pipe 3. The clamp can be fixed to the float 1 by adhesive or other means. Those skilled in the art can also choose other methods to install the air supply pipe 3 according to actual needs, and use the rotary joint 6 to achieve a stable rotary connection between the transfer pipe 4 and the air supply pipe 3. This will not be elaborated here. In actual use, an external pipeline can be used to connect oxygen supply pipes and oxygen cylinders and other oxygen supply equipment. It should be noted that the external pipeline needs to have a spare length to meet the needs of the air supply pipe 3 moving with the float 1. For example, the external pipeline can be suspended on the top of the shed by a slide rail. One end of the external pipeline is connected to the oxygen cylinder and the other end is connected to the air supply pipe 3, which can achieve a stable air supply to the air supply pipe 3 during the movement. Those skilled in the art can also choose other air supply methods according to actual needs, as long as they can achieve the air supply to the air supply pipe 3 and the transfer pipe 4, and ensure that oxygen can be aerated into the water through the aeration holes. This will not be elaborated here either.

[0023] In practical applications, the float 1 is provided with mounting holes for assembling the adapter pipe 4. The adapter pipe 4 can be rotatably mounted on the float 1 via bearings or other means. Bearing sleeves or bearing seats for mounting bearings can be fixed on the float 1, and the bearing sleeves or bearing seats can be fixed to the float 1 by adhesive bonding or other methods. In addition, the rudder plate 5 has a cavity that allows communication between the adapter pipe 4 and the aeration holes. The rudder plate 5 can be connected to the adapter pipe 4 by plugging or bonding. If necessary, a sealing structure, such as a sealing ring, can also be provided to achieve a seal between the rudder plate 5 and the adapter pipe 4 to prevent air leakage.

[0024] Optionally, two or four traction ropes 2 can be set at the left and right ends of the float 1. Each traction rope 2 can be fixed to the float 1 by means of screws, adhesives, etc., so that the operator can pull the traction ropes 2 at the left and right ends of the float 1 at the same time, thereby driving the float 1 to move stably and ensuring that the float 1 can effectively remove the foam on the water surface.

[0025] Using the above setup, when the traction rope 2 moves the float 1, the rudder plate 5, under the action of the water flow, can drive the adapter pipe 4 to rotate, causing the rudder plate 5 to rotate to the side opposite to the direction of movement of the float 1. This allows the oxygen discharged through the aeration holes of the rudder plate 5 to move away from the foam accumulated in the direction of movement of the float 7, ensuring that the oxygen can dissolve better in the water. At the same time, by pulling the traction rope 2 to move the float 1 back and forth, the foam accumulated on the water surface can also be pushed to both ends of the shed, making it easier for staff to clean and reducing the difficulty of cleaning the foam. This is beneficial to improving the efficiency of subsequent oxygen integration into the water and ensuring the oxygen content in the water. In addition, by moving the float 1, the aeration mechanism can also be moved, avoiding excessively high local oxygen content in the water caused by continuous aeration in the same position. This is beneficial to improving the uniformity of oxygen content throughout the water, which is conducive to the activity and growth of shrimp.

[0026] In a preferred embodiment of this example, a sloping portion 8 is provided above the rudder plate 5, with one end of the sloping portion 8 facing the adapter pipe 4 at an upward angle. The aeration holes include upper aeration holes 9, which are located on the sloping portion 8.

[0027] Using the above configuration, when the traction rope 2 is pulled to move the float 1, the float 7 will tend to tilt due to the resistance of the water and the tension of the traction rope 2. By setting an inclined section 8 above the rudder plate 5 and using the upper aeration holes 9 on the inclined section 8 for continuous aeration, the airflow ejected from the upper aeration holes 9 will generate a certain rotational force on the rudder plate 5, thereby offsetting part of the force that causes the float 7 to tilt. While achieving aeration and oxygenation, it is also beneficial to improve the stability of the float 7 when it moves.

[0028] In a preferred embodiment of this example, the aeration holes include end aeration holes 10, which are located on the side of the rudder plate 5 opposite to the transfer pipe 4. For example, the diameter of the end aeration holes 10 can be larger than the diameter of the upper aeration holes 9, so that more oxygen can be discharged to the side opposite to the moving direction of the float 1, thereby preventing the oxygen-generated bubbles from mixing with the existing foam again, which helps to reduce the amount of foam formed during aeration and oxygenation.

[0029] Using the above configuration, when the traction rope 2 is pulled to move the float 1, the airflow ejected from the end aeration hole 10 can move further away from the float 7, which is beneficial to improving the oxygenation effect of this aeration and oxygenation device.

[0030] In a preferred embodiment of this example, the aeration holes include side aeration holes 11, which are provided on both sides of the rudder plate 5.

[0031] Using the above configuration, multiple side aeration holes 11 can be provided on the side of the rudder plate 5, which helps to increase the number of aeration holes on the surface of the rudder plate 5 and further improves the oxygenation effect of this aeration and oxygenation device.

[0032] In a preferred embodiment of this invention, the rudder plate 5 and the adapter pipe 4 are arranged in an L-shape. With this structure, when the float 1 moves, the water flow can quickly rotate the rudder plate 5 through impact, until the length direction of the rudder plate 5 is the same as the moving direction of the float 1. At this time, the rudder plate 5 is located on the side opposite to the moving direction of the float 1, and the oxygen sprayed from the aeration holes can better oxygenate the water.

[0033] In a preferred embodiment of this example, the float bar 1 is provided with float plates 7, and two float plates 7 are provided on both sides of the float bar 1, and the two float plates 7 are arranged in an inverted T-shape with the float bar 1.

[0034] For example, the float 7 can be integrally formed with the float bar 1, or it can be fixed to the float bar 1 by means of adhesive bonding or other methods. For example, the float 7 can also be made of foam plastic. By adopting an inverted T-shaped structure, it is beneficial to improve the stability of the float bar 1 and the float 7 on the water surface, ensuring that the towing rope 2 can continuously drive the float bar 1 to move stably, preventing the float bar 1 from overturning, and enabling the aeration mechanism to continuously aerate and oxygenate the water.

[0035] In a preferred embodiment of this invention, the float 1 has a recessed portion 12 in the middle for gathering foam. By providing the recessed portion 12, the foam can be gathered towards the middle of the float 1, preventing the foam from overflowing from the left and right ends of the float 1, which is beneficial to improving the skimming and cleaning effect of the float 1 on the foam on the water surface.

[0036] Optionally, the length of the float 1 can be equal to or less than the width of the water surface inside the shed, so that the float 1 can better scrape off the foam on the water surface when it moves. When the float 1 is pulled parallel to the shed by the traction rope 2, the foam on the water surface can converge towards the concave part 12 in the middle of the float 1 and move with the float 1 to the end of the shed. The operator can then easily clean the foam at the end of the shed using cleaning tools such as buckets and scrapers, reducing the difficulty of cleaning the foam.

[0037] In a preferred embodiment of this invention, a baffle 13 is provided above the float 1, and the length direction of the baffle 13 is the same as the length direction of the float 1. For example, the baffle 13 can be made of plastic and fixed to the float 1 by means of adhesive bonding or other methods. The baffle 13 can increase the height of the float 1, preventing the foam from passing over the float 1 when it moves, which is beneficial to further improve the foam removal effect of the float 1.

[0038] Optionally, the baffle 13 can be an arc-shaped plate and flush with the recessed portion 12 of the float 1, so that the baffle 13 can also play a good role in gathering foam.

[0039] This utility model discloses an aeration and oxygenation device for small-scale aquaculture, which has the advantages of simple structure, ease of use, and good aeration and oxygenation effect. By using a traction rope to move the floats, not only can the aeration mechanism be moved, improving the oxygenation effect and uniformity of the water in all parts of the small greenhouse, but the floats can also clean up the foam on the water surface when they move. By collecting the foam at both ends of the small greenhouse, it is convenient for staff to clean up the foam, reducing the difficulty of cleaning the foam and improving the efficiency of subsequent oxygen integration into the water, thus ensuring the oxygen content in the water.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An aeration and oxygenation device for small-scale greenhouse aquaculture, characterized in that: The device includes a float (1) and an air supply pipe (3). The float (1) is provided with a traction rope (2) above it and an aeration mechanism below it. The aeration mechanism includes a transfer pipe (4). One end of the transfer pipe (4) is rotatably mounted on the float (1), and the other end is provided with a rudder plate (5). Multiple transfer pipes (4) are spaced apart along the length of the float (1). There is a gap between two adjacent transfer pipes (4) that allows the rudder plate (5) to pass through. Each transfer pipe (4) is connected to the air supply pipe (3) through a rotary joint (6). The rudder plate (5) is provided with several aeration holes that communicate with the transfer pipes (4).

2. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: The rudder plate (5) has an inclined surface (8) above it, and one end of the inclined surface (8) is inclined upward toward the transfer pipe (4). The aeration hole includes an upper aeration hole (9), which is located on the inclined surface (8).

3. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: The aeration holes include end aeration holes (10), which are located on the side of the rudder plate (5) away from the transfer pipe (4).

4. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: The aeration holes include side aeration holes (11), which are arranged on both sides of the rudder plate (5).

5. An aeration and oxygenation device for small-scale aquaculture according to any one of claims 1-4, characterized in that: The rudder plate (5) and the adapter pipe (4) are arranged in an L-shape.

6. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: The float (1) is provided with float plates (7), and two float plates (7) are provided on both sides of the float (1). The two float plates (7) and the float (1) are arranged in an inverted T-shape.

7. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: The float (1) has a recess (12) in the middle for gathering foam.

8. The aeration and oxygenation device for small-scale aquaculture according to claim 1, characterized in that: A baffle (13) is provided above the float (1), and the length direction of the baffle (13) is the same as the length direction of the float (1).

9. An aeration and oxygenation device for small-scale aquaculture according to any one of claims 1, 6-8, characterized in that: The float (1) is made of foam plastic.

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