... used for fluidized bed boiler in fire power company, gangue, gypsum, alums, and such like.With advanced technology home and ... used for fluidized bed boiler in fire power company, gangue, gypsum, alums, and such like.Reversible Hammer Coal crusher Technical ... and have weak corrosivity, such as gangue, coal, salt, chalk, gypsum, tile, limestone, coke, red sandstone, slag, shale, etc. Both dry ...