Used MineralTex Calciner/Rotary Furnace. Hi-temp 316 stainless steel tube is approximately 27” diameter x 20’ long. Direct natural gas, gas fired. Temp rating: 1,725 deg F. With auger system, special bulk bag unloader, dust collection system and additional parts including reconditioned vaporizer, high temp regulator, high pressure regulator, 2 PSI low regulator, relief valve and insulation. Gear reduction- 2 variable speed frequency drives and 2 potentiometers. Built 2009. Previous use: colored sand.