Microporous ceramic aerator for aquaculture

Abstract

The utility model provides a kind of microporous ceramic aerator for aquaculture, including aeration main body, first end cap and second end cap, aeration main body is integrally formed microporous ceramic body, the first end cap and second end cap are respectively sealed and cover on the first port and second port, and are connected by fastener to realize fixed;The cooperation of each component does not need to use glue to bond, to avoid the problem such as short life, influence aeration quality caused by delamination cracking etc..At the same time, the second part of aeration main body without aeration is covered by air-tight isolation layer, to ensure aeration effect.

Description

Technical Field

[0001] This utility model relates to the field of aquaculture equipment, specifically to a microporous ceramic aerator for aquaculture. Background Technology

[0002] Sufficient dissolved oxygen in aquaculture can increase stocking density, promote fish metabolism, make them more active, enhance their feeding ability, and thus accelerate their growth. At the same time, it can reduce fish agitation caused by oxygen deficiency, decrease fighting injuries, and improve the survival rate and quality of farmed fish. Therefore, it is necessary to invent a microporous ceramic aerator for aquaculture that addresses these characteristics.

[0003] Currently, microporous ceramic aerators on the market consist of microporous ceramic plates and a base. The microporous ceramic plates, base, and other assembly structures are all bonded together with glue. The quality of the glue bonding varies, and long-term immersion in water can easily cause delamination and cracking, resulting in problems such as short lifespan and reduced aeration quality. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a microporous ceramic aerator for aquaculture.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows: A microporous ceramic aerator for aquaculture includes an aeration body, a first end cap, and a second end cap. The aeration body is an integrally formed microporous ceramic body. The aeration body has an air chamber and a first port and a second port that are connected to and opposite to the air chamber. The first end cap and the second end cap are respectively sealed and covered on the first port and the second port, and the first end cap and the second end cap are connected and fixed by fasteners. An air injection connector connected to the air chamber is provided on the first end cap or the second end cap. The aeration body is configured with a first part for aeration and a second part for non-aeration. An airtight isolation layer is provided on the inner surface and / or outer surface of the second part.

[0006] Furthermore, the isolation layer is a glaze layer.

[0007] Furthermore, the aeration body is a hollow, elongated microporous ceramic body formed in one piece, with the first port and the second port being two ports in the length direction, respectively.

[0008] Furthermore, the first part and the second part are distributed vertically in the height direction, with the first part being the upper half of the aeration body in the height direction and the second part being the lower half of the aeration body in the height direction.

[0009] Furthermore, the fastener is a connecting rod, which passes through the air chamber of the aeration body, and the first end cap and the second end cap are fixed at both ends of the connecting rod, respectively.

[0010] Furthermore, the fastener is a connecting screw, with external threads at both ends. The first end cap and the second end cap are provided with mounting holes. The end of the connecting screw passes through the mounting holes to the outside of the first end cap or the second end cap and is fixedly connected by a nut.

[0011] Furthermore, the fasteners and nuts are made of stainless steel.

[0012] Furthermore, both the first end cap and the second end cap are made of PVC (polyvinyl chloride).

[0013] Furthermore, a silicone sealing gasket is used to achieve a sealed fit between the first end cap and the first port, and between the second end cap and the second port.

[0014] The technical solution provided by this utility model has the following beneficial effects: The aeration body of this application is a one-piece molded microporous ceramic body. The first end cap and the second end cap are respectively sealed and fitted onto the first port and the second port, and are fixed together by fasteners. The various components do not require glue to fit together, avoiding problems such as short lifespan and reduced aeration quality caused by delamination and cracking. At the same time, the aeration body does not require a second aeration part to be covered by an airtight isolation layer to ensure the aeration effect. Attached Figure Description

[0015] Figure 1 The figure shown is a three-dimensional schematic diagram of the microporous ceramic aerator used in aquaculture in the embodiment. Figure 2 The image shown is a top view of the microporous ceramic aerator used in aquaculture in the embodiment. Figure 3 The image shown is a side view of the microporous ceramic aerator used in aquaculture in the embodiment. Figure 4 The figure shown is a cross-sectional schematic diagram of the aeration body in the embodiment. Detailed Implementation

[0016] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0017] In the description of this utility model, terms such as "upper", "lower", "left", "right", "front", and "rear" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, 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. Therefore, they should not be construed as limitations on this utility model.

[0018] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0019] Reference Figures 1 to 4 As shown in the figure, this embodiment provides a microporous ceramic aerator for aquaculture, including an aeration body 10, a first end cap 21, and a second end cap 22. The aeration body 10 has an air chamber 101 and a first port (not shown in the figure) and a second port (not shown in the figure) connected to the air chamber 101 and arranged opposite to each other. Specifically, the aeration body 10 is an integrally formed microporous ceramic body, specifically made of alumina ceramic. In this embodiment, the aeration body 10 has a hollow elongated structure with a closed square cross-section. Figure 4 As shown, the hollow chamber inside is the air chamber 101, and the first port and the second port are two ports in the length direction, respectively. Of course, in other embodiments, the cross-section of the aeration body 10 can also be a regular shape such as a circle, triangle, or hexagon, or it can be an irregular shape, etc., and its specific shape is not limited.

[0020] The first end cap 21 and the second end cap 22 are respectively sealed and fitted onto the first port and the second port. Specifically, in this embodiment, the first end cap 21 is sealed and fitted onto the first port by a silicone sealing gasket (not shown in the figure), and the second end cap 22 is sealed and fitted onto the second port by a silicone sealing gasket (not shown in the figure). Simultaneously, the first end cap 21 and the second end cap 22 are connected and fixed together by a fastener 30. That is, a fastener 30 is provided between the first end cap 21 and the second end cap 22, with both ends of the fastener 30 connected to the first end cap 21 and the second end cap 22 respectively, to fix the first end cap 21 and the second end cap 22 onto the first port and the second port, respectively, achieving a mechanical fixed connection. An air injection connector 23 is provided on the first end cap 21 or the second end cap 22, communicating with the air chamber. This air injection connector 23 is used to connect an external air source to inject pure oxygen into the air chamber 101 of the aeration body 10.

[0021] Furthermore, since the aeration body 10 is a one-piece molded microporous ceramic body with a microporous structure throughout, the aeration area is too large. In order to ensure the aeration effect and reduce the aeration area, in this embodiment, the aeration body 10 is configured with a first part for aeration and a second part for non-aeration. The inner surface and / or outer surface of the second part are provided with an airtight isolation layer 11. In this embodiment, the isolation layer 11 is provided on the outer surface of the second part; in this way, the second part cannot be aerated.

[0022] In use, external pure oxygen is injected into the air chamber 101 through the air injection connector 23. When the pressure exceeds the critical pressure of the microporous ceramic aerator 10, the pure oxygen seeps out through the micropores of the aeration body 10 and forms tiny mist-like bubbles that dissolve in the water. This device increases the gas concentration in the liquid, thereby increasing the gas content.

[0023] The aeration body 10 of this application is a one-piece molded microporous ceramic body, which changes the existing technology's combination structure of microporous ceramic sheets and a base, thus avoiding the need for glue assembly of the aeration body 10. The first end cap 21 and the second end cap 22, which are respectively sealed and covered on the first and second ports, are connected and fixed by fasteners 30. The fit of each component does not require glue bonding, avoiding problems such as short lifespan and reduced aeration quality caused by delamination and cracking. At the same time, the aeration body 10 does not require a second aeration part to be covered by an airtight isolation layer 11 to ensure the aeration effect.

[0024] Specifically, in this embodiment, the isolation layer 11 is a glaze layer. The glaze layer has good adhesion to the ceramic aeration body 10, is not easy to fall off, and can also effectively block aeration. Of course, in other embodiments, other isolation layers 11 with good adhesion and air tightness can also be used.

[0025] The first part and the second part are distributed vertically in the height direction, such as Figure 4 As shown, in the quadrilateral cross-section, the first part is the upper half of the aeration body 10 in the height direction, and the second part is the lower half of the aeration body 10 in the height direction, that is, the aforementioned glaze layer 11 is attached to the outer surface of the lower half. Of course, in other embodiments, the division of the first and second parts can be adjusted according to the actual situation. For example, the first and second parts can also be distributed along the length direction, and the proportion of the first and second parts can also be designed according to the actual situation.

[0026] The fastener 30 is a connecting rod that passes through the air chamber 101 of the aeration body 10, making full use of the space inside the air chamber 101 and providing good protection for the connecting rod. The first end cap 21 and the second end cap 22 are fixed to the two ends of the connecting rod, respectively. Specifically, the connecting rod is a connecting screw with external threads at both ends. The first end cap 21 and the second end cap 22 have mounting holes (not shown in the figure). The end of the connecting screw passes through the mounting hole to the outside of the first end cap 21 or the second end cap 22 and is fixedly connected by a nut 31.

[0027] Furthermore, the connecting rod and nut 31 are preferably made of stainless steel, which is corrosion-resistant in water; at the same time, a sealing gasket is provided between the nut 31 and the mounting hole to seal the mounting hole; or the connecting screw and the mounting hole are sealed by a sealing ring, etc.

[0028] Both the first end cap 21 and the second end cap 22 are made of PVC, which has advantages such as impact resistance, corrosion resistance, not easy to damage, strong weather resistance, and waterproof, moisture-proof and insect-proof. Of course, other materials can also be used in other embodiments.

[0029] The microporous ceramic aerator for aquaculture provided in this application has the following characteristics: 1. High oxygen absorption rate: It can produce mist-like bubbles with a diameter of 0.01 to 0.5 mm. The oxygen absorption rate is 35% when the water depth is 1 meter. The absorption rate increases by 5%-10% for every 0.5 meter increase in depth.

[0030] 2. High strength: The product has a pressure resistance of at least 0.7 MPa and will not experience disc bursting. With a pressure resistance of 0.7 MPa (i.e., 7 kgf), it can be used in liquids at depths less than 70 meters.

[0031] 3. High oxygen utilization rate: The product has a large aeration area, and the oxygen absorption rate in water is 3-5 times that of ordinary microporous nanotubes.

[0032] 4. Easy installation and long service life: No sealant is used for bonding, making assembly convenient. There will be no issues with sealant separation or panel breakage. Under normal conditions without human-caused damage, the service life can reach 5-8 years.

[0033] 5. Strong corrosion resistance: It is assembled with corrosion-resistant materials (such as PVC first end cap 21 and second end cap 22, silicone sealing gasket, etc.) and high-temperature fired alumina ceramic square tube (referring to the aeration body 10), which can resist the corrosion of strong acids and alkalis and the interference of ultraviolet rays.

[0034] 6. Easy maintenance: The aeration unit can be sanded with sandpaper on-site to restore the aeration effect.

[0035] 7. Wide range of applications: It can be used for oxygenation in high-density aquaculture, reservoir oxygenation, aeration in water treatment systems, ozone generators, and microbial generators, etc.

[0036] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A microporous ceramic aerator for aquaculture, comprising an aeration body, a first end cap, and a second end cap, characterized in that: The aeration body is a one-piece molded microporous ceramic body. The aeration body has an air chamber and a first port and a second port that are connected to and opposite to the air chamber. The first end cap and the second end cap are respectively sealed and covered on the first port and the second port, and the first end cap and the second end cap are connected and fixed by fasteners. An air injection connector connected to the air chamber is provided on the first end cap or the second end cap. The aeration body is configured with a first part for aeration and a second part for non-aeration. An airtight isolation layer is provided on the inner surface and / or outer surface of the second part.

2. The microporous ceramic aerator for aquaculture according to claim 1, characterized in that: The isolation layer is a glazed layer.

3. The microporous ceramic aerator for aquaculture according to claim 1 or 2, characterized in that: The aeration body is a hollow, elongated microporous ceramic body formed in one piece, with the first port and the second port being two ports in the length direction, respectively.

4. The microporous ceramic aerator for aquaculture according to claim 3, characterized in that: The first part and the second part are distributed vertically in the height direction. The first part is the upper half of the aeration body in the height direction, and the second part is the lower half of the aeration body in the height direction.

5. The microporous ceramic aerator for aquaculture according to claim 1, characterized in that: The fastener is a connecting rod, which passes through the air chamber of the aeration body, and the first end cap and the second end cap are fixed at both ends of the connecting rod, respectively.

6. The microporous ceramic aerator for aquaculture according to claim 5, characterized in that: The fastener is a connecting screw with external threads at both ends. The first end cap and the second end cap have mounting holes. The end of the connecting screw passes through the mounting holes to the outside of the first end cap or the second end cap and is fixedly connected by a nut.

7. The microporous ceramic aerator for aquaculture according to claim 6, characterized in that: The fasteners and nuts are made of stainless steel.

8. The microporous ceramic aerator for aquaculture according to claim 1, characterized in that: Both the first end cap and the second end cap are made of PVC.

9. The microporous ceramic aerator for aquaculture according to claim 1 or 8, characterized in that: The first end cap and the first port, as well as the second end cap and the second port, are sealed together by silicone sealing gaskets.

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