The equipment mainly filters out fine particles in water, suspended solids, effluent SDI≤5, working pressure ≤0.6MPa, working temperature 5-50 degrees, filter material is divided into single filter material and double filter material, and the water collecting device is divided into curved plate And cloth water cap, the inner surface anti-corrosion is divided into epoxy resin paint and rubber layer one or two layers, the operation mode is divided into manual, semi-automatic and automatic.