... service life, high efficiency, energy-saving Best popular grindle mill machine with best price for 2012 salesTechnical capabilityMFD fan-type grinder mill ... stove and annealing furnace, grinding coal and put the coal powder into the combustion chamber to burning. It can be corollary ... burning ratio and low coal cost, etc. After grinding, the coal powders are fine and even, full burning. Compared with ...