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国外新产品光面滚筒长壁工作面采煤机光面滚筒已获得专利。滚筒上有叶片和一个端盘，滚筒的外表面相当光滑。采用这种结构后，由于旋转的滚筒和冒落煤块间的相互作用而发生的事故大大减少，同时使煤粒的数量、煤尘产生量及再循环量大大减少。预调耳机１０００系列预调工业...
Smooth new foreign products longwall roller face Shearer smooth roller has been patented. The drum has blades and an end plate, and the outer surface of the drum is fairly smooth. With this structure, the number of accidents due to the interaction between the rotating drum and the falling coal lumps is greatly reduced, while the amount of coal particles, the amount of coal dust generated and the amount of recirculation are greatly reduced. Preset headphones 1000 series preset industry ...