How to maintain the multi-bag filter element

Multi-bag filter cartridge maintenance method When the filter cartridge is used to meet the design flow rate (the pressure gauge difference is 0.1 MPa before and after the flow rate drops significantly), please turn off the filter from the filter, remove the filter cartridge from the filter, rinse the surface with water, and then first Soak in 4% hydrochloric acid for 24 hours, then soak in 4% sodium hydroxide for 24 hours, then rinse with water (two O-rings are removed during soaking to prevent swelling).