 The working principle of the hot air dryer: coal is used as the heat source in the combustion chamber, and the hot air is fed into the room from the hot air duct. Due to the action of the blower, the hot air is convective and the temperature is uniform. The waste heat is discharged from the outlet of the hot air pipe. During operation, the objects to be dried are packed with sieves and plaques, placed in iron racks in layers, and fed by rails. After the material is dried, stop the air blowing, open the iron door, the material will automatically exit the drying bin, and collect the dried material. The temperature is generally 80-120℃, and the dryer should be controlled at around 80℃, and it should be determined according to the texture and nature of the material. This kind of drying equipment has a simple structure, is easy to install, and is suitable for mass production. |
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