bottom ash hopper furnace hopper冷灰斗
black ash furnace黑灰炉
ash from sintering furnace烧结灰
dry ash furnace固态排渣炉膛
revolving black ash furnace旋转黑灰炉
open black ash furnace敞式黑灰炉
boiler with dry-ash furnace固态排渣锅炉
furnace ash炉灰
blast furnace ash铁精