350 tpd dri kiln specifications specification of 500 tpd sponge iron kiln rotary kiln process for 350 tpd sponge iron lurgi stabilizer 35 tph for 350 tpd dri kiln 3 50 tph for 500 o for kiln and cooler 350 tpd support roller assembly for cooler only 100 tpd know more