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Rotary dryer is the choice for high throughput capacity applications involving high moisture, friable, free-flowing commodity products and by-products. A rotating drum and strategically positioned flights combine to lift and shower product evenly through the air stream. Thermostatically controlled discharge air temperature assures precise final moistures and great sensitivity to varying product conditions. Single-pass or three-pass configurations are available to match product characteristics. Heating options include steam, gas, oil, thermal oil and auxiliary.

After the damp raw material is put into the dryer from on end, it is turned over through string-up rake inside the cylinder and distributed uniform in the dryer and contacted with countercurrent hot air fully. It speeds up heat and mass conducting of dry. During the period of dry. Raw material is affected by stirring-up rake with gradient and hot air. It can be moved and passed through the dry region and to star valve and then discharge the finished product.