Aeration and oxygenation equipment is a new type of water body oxygenation equipment rising in recent years. It is a set of aeration and oxygenation system composed of roots blower, main pipe, ventilation hose pipe, connector, hose, aeration tube and aeration disks. It is a new type of aeration and oxygenation technology. The aeration pipe is generally a microporous pipe made of polymer material, and the diameter of the micropores is generally about 0.01-0.05. Under water, due to the surface tension, water will not penetrate into the pipe. During operation, clean air (oxygen) is extruded from the micropores under the pressure of 0.2-0.3mpa, and countless micro bubbles with a diameter of 0.5-2mm are generated in the water. In the water, a mist spiral rises, and the diffusion distance is about 1.5-3m. The main principles of this technology are as follows: first, the oxygen produced by the algae in the water body is carried from the surface of the water body to the bottom of the pond through exchange through aeration; The second is to increase the contact area between the air and the water body and increase the dissolved oxygen in the water body by raising the bubbles; Third, part of the gas itself is dissolved in the water, which improves the dissolved oxygen content of the water body. Especially in the case of special aquaculture or deep water depth, the dissolved oxygen effect on the lower water body is good, so that the dissolved oxygen and nutrients are evenly distributed in the whole water body and ensure the healthy growth of aquatic organisms. It has effectively solved the problem of increasing oxygen in high-density, industrialized and intensive aquaculture.

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