... fuels can be:1, solid fuel, such as: coal, coke.2, liquid fuel, such as: diesel oil ... , heavy oil.3, gas fuel, such as: coal gas, natural gas, liquid gas.High temperature combustion ... room, to contact the dried material, heating and water evaporation, thus obtain the dry products. In order ... a fuel burning device, such as: coal burner, fuel oil burner, coal gas burner and so on.The application:1 chemical ...