Optimization of the coal slime thermal drying system of Longhua Mine Coal Preparation Plant

Despite the fact that the use of the plant′s existing drying system has overcome the knotty problem in treatment of coal slime and yielded economic returns, yet other problems regarding acid corrosion, insufficiency of fuel coal combustion and inconsistency of dried product prop up. To address these problems, a series of measures such as re-adjustment of flowsheet of drying process, size of fuel coal and auxiliary equipment. Through the adoption of the technical measures, a favorable socio-economical result has been obtained.