Mainly used for baking peanuts and other granular nuts food. The machine is made of coal (which can also be made into electric heating type, fuel oil, or gas-fired infrared catalytic combustion type) as the heat source, and the material is baked by the principle of heat conduction. When baking, the baking product is not in contact with the pyrotechnic In the baked material in the drum by the spiral pieces continue to promote the formation of uninterrupted rolling, so that the heat evenly and effectively ensure the quality of baking, color, taste.use coal gas, diesel, electricity as fuel.