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Rotary Drum Dryer

The cooling machine is also known as the rotary drum cooler , which can support the rotary kiln to form a complete production system. In the actual production process, the cooling machine is mainly used to cool the materials with a certain temperature and particle size by supporting the dryer machine , which can greatly improve the cooling rate, reduce labor intensity and improve production as well as further remove part of the water and reduce the grain temperature of materials. At the same time, the rotary drum cooler can be also used for the cooling of other powdered and granular materials. The cooling machine is the main configuration device of the rotary kiln production system. It has the advantages of simple structure and stable performance. The exhaust gas can be introduced into rotary kiln after the heat exchange, thus improving the thermal efficiency of the entire system.

1. Compact structure, high cooling efficiency, reliable performance and strong adaptability.
2. High production capacity, low energy consumption;
3. Stable operation, long service life.
Working principle
The materials are transported to the hopper by the belt conveyor or bucket elevator and then enter the feeding end through the feeding pipe of the charger. The inclination of the feeding pipe is greater than the natural inclination of the materials so that the material can smoothly flows into the cooler. The cylinder of the cooling machine is a rotating cylinder that tilts slightly into the horizontal. Adding materials from the higher end and the heating medium flows out from the lower end, forming the countercurrent contacting with the materials. Sometimes, the heat carrier and materials flow into the cylinder together. With the rotation of the cylinder, the materials move to the lower end under the role of gravity. When the wet materials move forward in the cylinder body, they directly or indirectly get the heat of the heating medium so that the hot material can be cooled and then discharged on the discharge end by the belt conveyor or screw conveyor.

Original link:  http://www.mine-crusher.com/news_173.htm

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