The liquid tank sealing layer flow cover is an air purification unit that can provide a local clean environment and can be flexibly installed above a process point requiring high cleanliness. The liquid tank sealing layer flow cover can be used singly or in combination. Clean area. It is mainly composed of a box, a fan, a primary air filter, a damping layer, a lamp, etc., and the outer casing is stainless steel or sprayed. The product can be hung or supported on the ground, compact and easy to use.

The liquid tank sealing layer flow cover is formed by passing the air through the high-efficiency filter at a certain wind speed to form a uniform flow layer, so that the clean air is vertically unidirectionally flowed, thereby ensuring high cleanliness in the working area to meet the process requirements. Closed structure, low profile and light weight of the outer casing.