This was due to more efficient combustion of larger coke particles in a granulated mix and also to better granulation and therefore higher green feed permeability and sintering permeability.

• 这是因为制粒后的烧结混合料里的较大焦粉颗粒燃烧效率更高，制粒效果更好，因而原始料层透气性和烧结透气性更好。