Coal pulverisation with vertical roller mills | Engineer Live
Coal pulverisation with vertical roller mills 1st February 2013. ... 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 passing a ...