1. Spring bag cage have a satisfactory number of turns and flexibility, styled after the distance should be uniform. 2. Silicone precipitator dust bag cage cost far less than stainless steel frame and corrosion resistance, high temperature performance 3. The outer bag bag cage it is necessary to dispose of by corrosion , according to different needs plating . Spray or paint , such as for high temperature , corrosion outside its use should clear the temperature needs to be satisfied . 4. Bag cage needs the support ring and longitudinal reinforcement spread evenly, and should have a satisfactory strength and stiffness , to accept the filter bag and cleaning status of the gas pressure , to avoid the onset of the normal shipping process and apparatus bump and shock formation damage and deformation. 5. The bag cage all welding joints should be strong , does not allow sealing off . Weld and weld . 6. Touch the bag cage should look bright and smooth , does not allow the burr . Rugged and burrs.