Patent ID: 6296680
Filing Date: 2001-10-02
Classification: B01D

Abstract:
An apparatus for industrial applications into which particulate material contents of rupturable bags may be charged for further handling comprising:a hopper having an outlet into which said material may be charged, producing portions of settling and airborne particles of said material, and an outlet through which the settling portions of said material may be discharged;a first filter unit having an inlet communicating with said hopper inlet;a second filter unit having an inlet communicating with an outlet of said first filter unit;means for producing an airflow from said hopper inlet and sequentially through said first and second filter units whereby said portion of airborne particles of said material is drawn by said airflow through said filter units for removing said airborne particles;means include in said second filter unit defining an air plenum having an inlet communicating with said airflow producing means and an outlet communicating with a surface of a filter medium; andmeans disposed in said plenum for distributing an airflow traversing through said air plenum along a length of said filter medium surface comprising a set of baffle plates disposed in the path of said airflow whereby portions of said airflow are diverted along the length of said filter medium surface.