COAL BASED THERMAL POWER PLANTS: COAL MILLS FOR .
Dec 13, 2011· Boilers for steam generation in power plants and process industries use coal as fuel. The percentage of boilers operating with coal as fuel outnumbers the boilers using all other fuels combined. ... In this mill the grinding balls can be replenished on the line. ... Ball mills can be designed for a very high capacity like 75 tons per hour ...