The great demand of blast furnace for coke and the serious dependance of BF production on quantity and quality of coking coal become the key problems in Chinese ironmakihg Industry.

• 炼铁系统存在的最主要问题是:高炉要消耗大量焦炭,高炉对焦煤的数量和质量的依赖性很强,而焦煤资源有限。