... With the coal,combustion gas ,oil or electricity as energy ... be divided into coal-fired calcinator, gas-fired calcinator, oil-fired calcinator and electrothermal calcinator by ... and control system. Nature gas, water coal gas, liquid petroleum gas and other gas can be used as ... inorganic chemical, metallurgy, etc. Mainly application: oil refining catalyst, zeolite molecular sieve, active carbon adsorbent ...