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Coal Slag Rotary Drum Dryer

Coal Slag Rotary Drum Dryer

  • 【Daily Capacity(t/d)】:60-150T/D
  • 【Final Moisture(%)】:<5%
  • 【Drying Temperature(°C)】:400±30℃
  • 【Total Installed Power (Kw)】:78-160KW
Coal Slag Rotary Drum Dryer Overview
Product Introduction
Three-layer dryer, also known as rotary dryer, is currently one of the main equipment in the mineral processing equipment. it is mainly used for drying  particulate materials of a certain humidity and granularity, such as yellow sand used in mortar industry, grit in casting industry, slag used in building materials cement industry. According to the final moisture requirements, the moisture content after drying can reach 1%-0.5% or below.
Working Principle
The wet material is fed into the inner layer of the three-layer drum by the feeding device to achieve downstream drying. The material is continuously picked up and scattered under the copying board in the inner layer and spirally conveyed to achieve heat exchange. The material moves to the other end of the inner layer and enters. In the middle layer, counter-current drying is performed, and the materials are continuously raised in the middle layer. This is a two-step progress. The material in the middle layer not only fully absorbs the heat dissipated by the inner drum, but also absorbs the heat from the middle drum while prolonging its drying time, the material in this state will achieve the best dry state. The material goes to the other end of the middle layer and falls into the outer layer. The material in the outer drum is in a rectangular multi-loop manner. The material that achieves the drying effect quickly moves out of the drum under the action of hot air. The wet material that does not reach the drying effect cannot be fast due to its own weight. The material is fully dried in this rectangular copying board to achieve a drying effect and the drying process is completed. Dust-laden dust discharged through the dust collection equipment to collect dust.
Product Characteristic
a. The internal structure of the drying equipment design has a unique delay-out device, extending the stay time of the material in the drum, improving the exchange time between material and hot air, which obtains better drying effect.
b. The main drive of the drying drum adopts frequency conversion control to reduce the power consumption, and the drum speed can be adjusted and controlled precisely to meet the non-uniformity of moisture in the dry feed.
c. The interior is equipped with a cleaning device to prevent the adhesion caused by the material over-adhesion phenomenon.
d. The system has a power outage protection system to prevent fire, explosion and other security hazards caused by power failure.
e. Drying system for the discharge device uses the company's latest patented technology, which has been in a number of projects and other applications.
f. PLC control system to realize automatic monitoring of the whole system, with centralized and in-situ conversion function.
g. High-distribution system is equipped with monitoring system, the workshop without dead-ends, the operator in the control room according to the material and after drying the product material situation, at any time to regulate the drying system operating parameters.
h. The system has simple operation and low maintenance rate.


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