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Rotary Drying Process

Views: | Update time:2013-03-11 09:27:51
  • Rotary dryer Instruction:

    Rotary dryer is widely used for drying materials in the industries of cemet, mine, contruction, chemical, food, 
    compoud fertilizer, etc. Feeding and discharging unit is installed with thermocouple to control drier 
    temperature. The temperature change of drier's feeding end can be indicated by the thermometer to control the inner drier temperature ( generally 250-350
    °C)


    Rotary dryer working principle:

    Rotary dryer adopts direct flow type of heating with heat soure from firing unit. The material to be dried is pushed back immindiately by spiral board when enters the shell from feeding tank and feeding chute. Because the drier is installed in slope, material flows to the back end under gravity and rotation force, meanwhile, it is lifted by board repeatedly and thrown down accordingly, which make the material form even curtain, and exchange heat sufficiently with inner the heat flow. In the end, water in the material is dried by repeatedly scattering.

    Rotary Drying Flow Diagram




     

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