


Coal mill bag filter DP high & chocking problem Page 1 of 1. Mar 10, 2013 · re Coal mill bag filter DP high & chocking problem. 1 Increase purging pressure. 2 If u replace bags after 3 years, now do it after 1.4 years. 3 check ur pressure control diaphragms and pressure regulator diapghrams, if any of them is damage replace it. Get price ...