A coal ash crusher consisting of a double roll, single stage ash crusher is positioned at the discharge of the ash hopper. The ash is to be used in a coal fired power plant burning Powder River Basin coal. The ash from the collector is required to be crushed and delumped before entering the pneumatic conveying system which removes the ash to a storage silo.
The crusher contains two crusher rolls with a preset gap between the rolls. It has adjustable gap settings, tramp metal roll relief and is designed to operate in the wet, hot ash environment.