... on bag type dust collector. widely used in aluminium casting furnace, copper furnace, etc. pulsetype dust collector is a new high ... based on bag type dust collector. widely used in aluminium casting furnace, copper furnace, grinding, drying machine, and soot and other dust ... is 99.8%. for 5 tons melting furnace, usually volume is 5000m3/hfor 12 tons melting furnace, usually volume is 12000m3/hfor 2 ...