Reducing wear particulates in a coal pulverizer gearbox
Typical maintenance costs and intervals for each pulverizer gearbox were as follows: Oil changes required every 12 months at a cost of 5,000 in material and labor and 20,000 to 50,000 in lost electrical production, typical of most coalfired power generation units of this timeframe. This particular plant had 13 of these coal pulverizers ...