国家“十二五”规划提出大力发展循环经济和推行循环型生产方式,对钢铁行业提出了要在资源综合利用和节能减排等方面取得新进展的要求。钢铁行业要发展循环经济和实现可持续发展,废钢铁无疑是首选原材料,因为它是可无限循环利用的。以吨为单位进行比较,废钢铁炼钢比铁矿石炼钢,可节约能源60%,减 The national “Twelfth Five-Year Plan” put forward to vigorously develop the circular economy and the implementation of circular production methods, the steel industry proposed to make new progress in the comprehensive utilization of resources and energy-saving emission reduction and other requirements. Iron and steel industry To develop a recycling economy and achieve sustainable development, scrap iron is undoubtedly the preferred raw material because it can be recycled indefinitely. Tons as a unit for comparison, steel scrap iron ore steelmaking, can save 60% of energy, less