Coal pulverisation with vertical roller mills | Engineer Live
As such the coal pulveriser is truly the ''heart'' of the combustion process for a coalfired power station. Coal pulveriser design In general, coal pulverisers are designed to achieve the maximum rated capacity grinding a design coal with a grindability of 55 HGI and 812 per cent moisture and achieving a discharge fineness of 70 per cent passing a 200 mesh screen (74 micron) and per cent