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Principles of work:The damp raw material enters into helix bed from feed inlet at the top and moves along with the helix bed from up to down and make jumping motion to the bottom and then discharge under the action of vibration force at the circle and gravity. Meanwhile clean hot air enters into it from the bottom of helix bed and carries out heat exchange with raw material on the helix bed fully and exhausts from the outlet at the top. In this way the dry purpose of damp raw material is reached.
