... bag type dust collector; 2.widely used in aluminium casting furnace, copper furnace, etc Pulse type ... used in aluminium casting furnace, copper furnace, grinding, drying machine, and soot and other dust collection and desilfurization system. ... about 120°; collecting efficiency is 99.8%.for 5 tons melting furnace, usually volume is ... people from supplier. dust collector for aluminium melting furnace