Process for cleaning filter element of tubular type apparatus and filtracao

摘要

A filtering apparatus including a plurality of tubular fabric type filter elements open at both extremities and positioned in a frame in vertical position with contaminated air to be directed therethrough from the upper extremity through the walls of the tubular filtering elements. The fabric type filter elements are cleaned by creating air curtains at the open extremities thereof causing an internal drop in pressure in the filtering elements due to the blockage of airflow therethrough and resulting in collapse of the filtering elements and reverse airflow through the bag to remove particulates entrained in the fabric and allowing the same to be deposited by gravity through the lower opening of the filtering elements.