Mostly the machine is used in per burning of rigid magnet oxygen Pulverized fodder; it is also suitable for the cement, metallurgy and Chemical industry. It is made up of main kiln body and supporting Drive set cooling pipe and supporting drive set, fuel system, electricity Control secondary air set, exhaust dust set and warm-up kiln body etc. The machine has function like: give an alarm for over temperature, give an alarm for over loading, auto control for working temperature,oxygenatmosphere is adjustable in the kiln etc.