Abstract: Much coal dust is produced during mining,crushing and loading operations and at the various transfer points of the coal blending center. The case is particularly serious at and around the opencast mine-a situation seriously jeopardizing the working operation and safety. To avert the situation,the LFD-45 laminated film flat bag collector are used for dust control at the crushing-loading system of the Rujigou Anthracite Branch. Practice shows that the bag collector can operate with a dust collection efficiency of 99. 60%,well demonstrating its effectiveness for prevention of environmental pollution and for ensuring safety operation.