Vortex Air Mill Ore Grinding | Gold Refining Metal Extraction Forum
What's happening with our unit is we are using about 115PSI, continuous drive air compressor. The feed material is about 30 mesh, homogeneous. The air mill air discharge is strong so its flowing through the unit. The problem we are having is when we add the feed material through the intake port, air is blowing back up the intake port and the ...