钢铁工业消耗大量能源和原材料并产生工业废料，大部分废料来自炼铁．因此，为了维持钢铁工业不断发展，新的工艺必须考虑这个地球村各处的环境法规．本文针对中国的情况，并考虑其未来的需求，评述了高炉法、电弧炉中的HBI／DRI法以及回转炉底／熔炼还原法等三种冶炼钢铁工艺的特点.
The steel industry consumes large amounts of energy and raw materials and produces industrial wastes, Most of the waste is produced in ironmaking. therefore, forsustainable development new processes will have to observe environmental regula-tions anywhere in this global village, in view of the situation in Chian. the characteris-tics of three types of ironmaking technology. i.e.. blast furnace. HBI / DRI in EAF androtary hearth / smelting reduction are reviewed for the country's furture needs.
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