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Raw Coal Rotary Drum Dryer

Raw Coal Rotary Drum Dryer

  • 【Daily Capacity(t/d)】:500-2000T/D
  • 【Final Moisture(%)】:11±3%
  • 【Drying Temperature(°C)】:>380℃
  • 【Total Installed Power (Kw)】:128-460KW
Raw Coal Rotary Drum Dryer Overview

Raw Coal Rotary Drum Dryer Introduction
 
According to the degree of coal, raw coal can be divided into lignite, bituminous coal, anthracite, peat. Raw coal's moisture that exceed 8%, will lead to low calorific value, insufficient combustion and other adverse conditions, has a negative impact to the economy and safety , about these characteristics of raw coal Dongding has developed the drying equipment to improve the quality of raw coal so that raw coal combust more thoroughly, and reduce pollution to the environment.

Raw Coal Rotary Drum Dryer Drying Process Description
 
Firstly, wet material is crushed by the crushing machine, transported to the screw conveyor by the belt conveyor, then go into the rotary drum, after drying, most of the dry material will be discharged through the belt conveyor, the left material will go into the cyclone dust collector, where the dust will be collected, with the function of induced draft fan, the left material will discharged through the conveyor.

Raw Coal Rotary Drum Dryer Advantages
 
1. The hot flue gas directly contacts with the materials, sufficient heat exchange and high production capacity.
2, Reasonable system configuration, it can use part of coal powder drying for fuel production, reduce costs and secondary pollution.
3, The system is equipped with PLC control system and video monitoring system, with a high degree of automation and simple operation;
4, The system through a unique sealing structure, no leakage, completely solve the sealing difficulties, to achieve a full range of non-oxidation negative pressure operation, eliminate the possibility of lignite combustion explosion, safe and reliable operation;
5, Low investment, low operating cost and and short investment recovery time.

Raw Coal Parameter
 
Specifications Production capacity (T/D) Initial moisture (%) Final moisture (%) Total power (kw) Floor area (m2)  
DDMTG2224 500 35~40 11±3 128 8*40
DDMTG2528 700 35~40 11±3 143 8*45
DDMTG2830 1000 35~40 11±3 260 10*50
DDMTG3432 1500 35~40 11±3 320 12*50
DDMTG4035 2000 35~40 11±3 460 15*55


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