Abstract: Aiming at the problems existed in pulverizing system of Dengfeng Corporation Limited of China Resources Power Holdings Company Limited, which includes the high entraining pulverizing coal rate of tertiary air, the rotor of serious wear of the mill fan and high energy consumption for coal pulverizing, the key operation parameters of pulverizing system were introduced in detail, and some concrete measures for comprehensive improvement and optimization of pulverizing system were proposed. The energy saving effect of the pulverizing system is remarkable after the optimized regulation.

Key words: pulverizing system, steel ball, economical grain fineness, air flow, optimization, energy saving