The coal slime is coal washing process of industrial waste residue.Due to coal slurry with high moisture content, high viscosity, high water and low calorific value such many other adverse conditions, it is difficult to realize industrial use,based on the coal slime industry market and the characteristics of coal slurry, through many times technical research and practice,Dingli company developed a new generation of coal slime drying system meticulously, drying product moisture is less than 15%, the calorific value of coal can achieve 2800-4200 kcal/kg,it is a good fuel of coal boiler.This set of equipment technology is mature, stable running, convenient operation and maintenance.
Fllows are characteristics of slime drying equipment:
1. Dingli coal slime dryer, with strong overload capacity, large quantity, less fuel consumption, dry low cost;
2. Adopts downstream drying method,the flue gas and wet material into the drying machine by one side of the dryer,it can take advantage of the high temperature flue gas to obtain high evaporation strength, low outlet temperature of the dryer,with high thermal efficiency.
3. It can change operation parameters according to the different material properties, the material in the dryer cylinder body can form stable whole curtain fabric, and the heat exchange more adequately;
4. New type feeding and discharging device, preventing drum dryer feeding jams, discontinuous and uneven return phenomenon, reduce the load of dust removal system;
5. New type of internal structure, to strengthen the effect on scattered material cleaning and heat conduction, eliminates the cylinder to moisture, has a more flexible adaption of sticky and moisture of the materials;
6. New type coal slime drying equipment to achieve the "zero thrust", greatly reducing the wheel wear, the cylinder has smooth and reliable operation;
7. The drying machine adopts "self-aligning roller device", make the wheel and roll ring with a linear contact, thus greatly reduces the wear and power loss;
8. Adopt unique large coal slime delay drying technology, guarantee the coal slime drying uniformity.
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