... material, metallurgy and chemical, The mainly drying material are coal slurry , lignite, coal powder, slag, clay stone, chicken manure, sand, sawdust ... a source of heat. the material to combustion can be: coal, wood and other solid fuel.Number 2, feeding device: ... fan, water spray precipitator links made accessories.Serial number 12, boiler centrifugal induced draft fan: to produce air fan, air pressure ...