国内煤基回转窑直接还原工艺及装置述评

Illustration and Explanations of Domestic Coal -based Rotary Hearth Direct Reduction Technology and Equipment

直接还原是上世纪70年代迅速发展起来的一项新的冶铁工艺。着重对适合中国国情的煤基直接还原工艺和主要工艺装备——回转窑,在我国天津、辽宁、山东等重点企业实际应用的情况进行了系统的介绍和客观的分析与评价,并提出了国内开展这一枝术应用的一些经验与建议,可供有关领导和技术人员参考。

Direct reduction is a new iron-smelting technology, which has been rapidly developed since 1970s. This paper puts emphasis on the systematic introduction that coal -based direct reduction technology and major technological equipment -rotary hearth, which are suitable for Chinese current situation, have been practically applied in key enterprises of several provinces and regions like Tianjin, Liaoning, and Shandong, and also gives objective analysis and evaluation. Meanwhile, it puts forward some valuable experience and suggestion on domestic applications of the technology, which can provide references for the concerned executives and technicians.