GOING UP A GEAR

摘要

The needs and demands of a coal mill differ from those of vertical mills in other industrial applications. The coal grinding system must take into account the available heat sources for drying the raw coal, as well as the fire and explosion hazards of coal dust. The entire grinding plant must therefore be shock resistant and equipped with a number of explosion relief valves. On the other hand, the overall layout of a standard gearbox for a vertical coal mill is almost indistinguishable from the gearboxes of other vertical mills.