首钢京唐炼钢生产过程中产生的固体废物的烧结

IF 3.1 2区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING Journal of Iron and Steel Research(International) Pub Date : 2017-07-01 DOI:10.1016/S1006-706X(17)30105-X
Yuan-dong Pei , Sheng-li Wu , Shao-guo Chen , Zhi-xing Zhao , Gang An , Zheng-ming Cheng , Yao-sheng Luo
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引用次数: 4

摘要

充分利用钢铁生产过程中产生的废弃物,实现节能减排、低碳生产和循环经济。通过对首钢京唐不同类型工业固体废弃物的研究,对其烧结利用进行了优化。首先,对各种可用于烧结的固体废物进行了基本试验,包括化学成分、燃料热值、高温保温时间、烧结罐试验等。结果表明:当前烧结条件下的适宜固废比为:钢渣5%、水垢2.0%、环境灰2.0%、旋风灰分1.0%;高炉干灰、烧结电场灰、炼钢灰在烧结时不宜循环。在燃料结构上,焦化灰分和果仁焦均应低于15%。通过优化固体废弃物的添加,显著降低了有害元素对烧结和高炉的危害,满足了高炉原料的需求,取得了效益。固体废物的资源化利用为循环经济和可持续发展做出了贡献。
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Sintering of solid waste generated in iron and steel manufacturing process in Shougang Jingtang

It is important to make full use of waste generated in the iron and steel manufacturing process for energy saving, emission reduction, low carbon production and a circular economy. Based on research on different kinds of industrial solid wastes from Shougang Jingtang, wastes have been optimized for use in sintering. At first, basic tests for all kinds of solid wastes that may be used in sintering were carried out, including chemical composition, calorific value of a fuel, holding time at high temperatures, the sintering pot test, etc. The results show that the appropriate solid waste ratios for current sintering conditions are: steel slag <5%, scale 2.0%, environmental ash 2.0%, and cyclone ash 1.0%; blast furnace dry ash, sintering electric field ash, and steelmaking ash should not be circulated in sintering. As for the fuel structure, both coking ash and nut coke should be below 15%. By optimizing the addition of solid wastes, the damage of harmful elements to sintering and blast furnaces has been significantly reduced, which satisfies the demands for blast furnace materials and earns benefits. The utilization of solid wastes has made a contribution to the circular economy and sustainable development.

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来源期刊
CiteScore
4.30
自引率
0.00%
发文量
2879
审稿时长
3.0 months
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