Limonite Rotary KilnRotary KilnsHenan Hongke Heavy ...
Pulverized coal with particle size less than 10 mm and moisture less than 15% is mixed with 08% by weight to enter the rotary kiln; limonite fines are dried, magnetized, arsenic removed and desulfurized in the same rotary kiln, and the rotary kiln rotates at a speed of rpm; the roasting zone temperature of the rotary kiln is 800 +150 C, and the drying zone temperature is 350. The ...