How does a Roots blower carry out aeration?

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How does a Roots blower carry out aeration? The process of using a blower with a certain volume of air and pressure to force air or other gases into water or liquids through delivery and dispersion devices is called forced aeration, and the blower used for this purpose is known as an aeration blower. Features of aeration fans: (1) They have a certain volume of air flow. The purpose of aeration is to increase the amount of dissolved oxygen in water or liquids, so as to meet the oxygen needs of aerobic organisms. (2) They possess sufficient pressure. The aeration process carried out by blowers involves the transfer of molecular mass between gas and liquid; to ensure that the gas spreads and comes into contact thoroughly with the liquid, as well as to prevent suspended particles in the liquid from sinking, the aeration fan must be able to generate enough pressure.