1.世界直接还原技术的发展直接还原摆脱了传统生产流程对优质焦煤的依赖,省去了炼焦和烧结工序;在较低温度下作业使冶炼用设备和作业变得容易,所以被发展中国家作为发展钢铁的短流程而大力发展。近二十年来,世界上直接还原技术的发展突飞猛进,1995年世界上直接还原铁产量已达3075t,是1975年的11.4倍。 1. The development of world direct reduction technology Direct reduction from the traditional production processes rely on high-quality coking coal, eliminating the need for coking and sintering processes; operating at lower temperatures make smelting equipment and operations easier, so by developing countries As the short process of developing steel and develop vigorously. In the past two decades, the world’s direct reduction technology has made rapid progress. In 1995, the world’s direct reduced iron production reached 3075 tons, 11.4 times that of 1975.