The shallow air flotation equipment has the air flotation water purification technology to a certain extent. The principle of "zero speed" enables the flotation body to float vertically to the water surface in a relatively static environment, the floating distance is reduced to a small extent, and is not affected by the flow rate of the water. The theoretical pool depth is only about 450mm, and the retention of sewage in the air The time is only 3-5 minutes, and the size of the equipment is greatly reduced.

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