Vertical Grinding Mill Coal Pulverizer Explained
Introduction This article concerns itself with vertical grinding mills used for coal pulverization only coal pulverizers although vertical grinding mills can and are used for other purposes. The 3D model in the saVRee database represents a vertical grinding bowl grinding mill types include the ball tube mill hammer mill ball and race mill and roll and ring mill.
For the dry feed Shell based IGCC plants AR coal from storage is ground and dried with hot flue gases through grinding mills to produce a 2 to 5 wt moisture coal fines for feed to the Shell gasifiers The dried coal fines are stored in surge hoppers before being pressured with nitrogen to the gasifiers through lock hoppers and dense phase