直接还原铁生产概况及发展

介绍了近年国内外直接还原铁生产概况,分析了不同直接还原工艺的状况,认为Midrex是最主要的直接还原铁生产工艺,资源条件决定了煤基回转窑法仍将是我国直接还原铁生产的主要方法,但应重视气基竖炉还原工艺的开发研究工作.我国直接还原铁仍将有较大的市场需求.生产规模过小、工艺设备落后是限制我国直接还原生产发展主要原因.此外,应建立稳定畅通的原料供应渠道.

PRESENT STATUS AND DEVELOPMENT TRENDS OF WORLD DIRECT REDUCTION PROCESSES

The status of direct reduction processes at home and abroad was presented and analyzed It is concluded that Midrex is still the dominant production process The natural resources and economic condition of China determines that the coal-based rotary kiln direct reduction is the main trend The process of gas-based shaft kiln has been paid close attention but more research work still need in this field There is a great demand for DRI in China, but the development of DRI production is restricted by small scale production and out-off-date facility The stable feed source is very important to DRI plant of China