钢铁厂含锌粉尘处理工艺的现状及发展  

Present State and Development of Zinc-bearing Dust Treatment Process in Iron and Steel Plants

作　　者：巨建涛[1] 党要均[1] 

机构地区：[1]西安建筑科技大学冶金工程学院,西安710055

出　　处：《材料导报》2014年第9期109-113,共5页Materials Reports

摘　　要：分析了钢铁厂不同工序产生的粉尘的化学成分和特性,在此基础上介绍了国内外含锌粉尘的处理现状,详细叙述了含锌粉尘的处理流程——闭路循环流程、半闭路循环流程、开路循环处理流程的特点。通过对不同处理工艺的对比分析,认为直接还原法中的转底炉工艺具有使用原料、能源的灵活性好,基建投资低,环保措施得力等优点,在我国有很好的发展前景。The composition and properties of dust generated by different processes in iron and steel plants are analyzed.The present state of disposal technologies of Zn-bearing dust at home and abroad are introduced.The feature of closed-circuit cycle processes,semiclosed circuit cycle processes and open-circuit cycle processes are analyzed and compared.Finally,it is point out that the treatment of znic-bearing dust by rotary hearth furnace have some advantages in direct reduction technology,which have good flexibility to material and energy,low investment in infrastructure,effective in environment initiatives,so the technology will have a good prospects for development in China.

关 键 词：含锌粉尘 循环利用 处理工艺 直接还原 

分 类 号：TF09[冶金工程—冶金物理化学]