Direct Heating Type / Indirect Heating Type Rotary Dryer

Brand Name:Hengyang
Certification:ISO9001
Model Number:HC-561
Minimum Order Quantity:1
Delivery Time:20-40 days
Payment Terms:T/T
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Location: Zhengzhou Henan China
Address: 500m West, Cross road of Rizhao and Industrial Road, Mazhai Industrial Zone, Zhengzhou City, China
Supplier`s last login times: within 39 hours
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Direct Heating Type / Indirect Heating type Rotary Dryer

  • Direct heating type rotary dryer
    This is a direct heating type of dryer that brings materials into direct contact with hot air to dry them by lifting them up inside the rotary shell.
  • Indirect heating type rotary dryer
    This is an indirect heating type of rotary dryer that brings materials into indirect contact with heating medium to provide heat exchanging.
    The indirect heating type of rotary dryer is classified into external heating rotary dryer and steam tube dryer, which are applied for the following conditions.

    • If you use materials that are easily affected by contact with combustion gas.
    • If you need to minimize the amount of exhaust gas from the dryer.
    • If you use materials that are apt to produce dust.
    • If you use materials that are easily affected by oxidation.
    • If you need to recover volatile component.

The main unit of the rotary dryer is an inclined shell supported by four rollers. Materials, which are fed through one end of the shell, move inside the shell along the inclination of the shell and through the rotary movement and are discharged from the other end. Materials, while moving inside the shell, are lifted up by a lifter incorporated in the shell. Then, the materials fall evenly in the shell space and exchange heat with the hot air flowing through the space to dry. Depending on the method of providing hot air for the materials, this dryer is classified into two types, that is, concurrent flow drying type by which the hot air and materials flow in the same direction and countercurrent flow drying type by which they flow in the opposite direction.
Lifter
The lifter is the most critical part having an influence on the performance of the dryer, which provides uniform dispersion of materials in the shell space. Any of the constructions shown below is used according to the physical properties of materials. Furthermore, spiral lifters designed with consideration of forced feeding of materials are used for the material feeding end.

ModelShellCapacityInlet tempOutlet temp airMotorGearbox
Inner diaLengthInclinationRotation speedModelPowerRotation Speed
mmmm0r/mint/h°C°CkWr/min
ZG121201200120002-54.72-2.5150-25060-80Y160M-47.51460ZQ350
ZG151201500120002-55.04-6150-25060-80Y160L-4151440ZQ400
ZG151501500150002-55.05-7150-25060-80Y160L-4151440ZQ500
ZG181501800150002-53.97-10150-25060-80Y200L1-618.5970ZQ500
ZG202002000200002-53.98-14150-25060-80Y200L2-622970ZQ650
ZG222202200220002-53.212-16150-25060-80Y250M-637980ZQ750
ZG242402200240002-53.014-19150-25060-80Y280S-645970ZQ850

China Direct Heating Type / Indirect Heating Type Rotary Dryer supplier

Direct Heating Type / Indirect Heating Type Rotary Dryer

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