炼钢厂含铁固体废弃物资源化回收利用
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摘要
首钢京唐钢铁联合有限责任公司是首钢搬迁调整的重要载体,钢铁厂的建设并非是污染物的转移,而是按照循环经济的理念,做到固体废弃物接近"零排放"。重点论述了首钢京唐炼钢厂转炉一次除尘灰、炉渣、余钢等固体废弃物的处理难点及工艺控制点,并结合京唐公司"全三脱"工艺特点,相继开发了脱碳炉热态渣返回脱磷炉、钢包铸余渣返回脱磷半钢包回收利用等技术,实现了炼钢厂固体废弃物的厂内循环利用。
Shougang Jingtang United Iron and Steel Co.,Ltd.is an important carrier for the relocation of Shougang,the construction of the steel plant is not the transfer of pollution,but in accordance with the concept of circular economy to make the solid waste close to "zero emissions".The difficulties in the disposing and process control point for converter dust,converter slag,residual steel and other solid waste in Shougang Jingtang are mainly discussed.Combined with the characteristics of Jingtang " Full Treatment process",a series of recycling technologies such as the hot slag of decarburization returning dephosphorization furnace and the "semi steel" ladle recycle by casting slag returning dephosphorization are developed.It has realized the recycling of solid waste in steel-making plant.
Shougang Jingtang United Iron and Steel Co.,Ltd.is an important carrier for the relocation of Shougang,the construction of the steel plant is not the transfer of pollution,but in accordance with the concept of circular economy to make the solid waste close to "zero emissions".The difficulties in the disposing and process control point for converter dust,converter slag,residual steel and other solid waste in Shougang Jingtang are mainly discussed.Combined with the characteristics of Jingtang " Full Treatment process",a series of recycling technologies such as the hot slag of decarburization returning dephosphorization furnace and the "semi steel" ladle recycle by casting slag returning dephosphorization are developed.It has realized the recycling of solid waste in steel-making plant.
引文
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[4]朱桂林,孙树杉,郝以党.开创钢铁工业固体废物高价值综合利用新局面[J].钢铁,2003,38(增刊):43.
[5]于先坤,杨洪,华绍广.冶金固废资源化利用现状及发展[J].金属矿山,2015,464(2):177.
[6]覃洁,阮积海.钢铁联合企业固体废物综合利用分析[J].环境工程,2011,29(5):109.
[7]赵成林,张宁,朱晓雷,等.LF热态渣循环利用技术[J].钢铁,2015,50(12):110.
[8]陈均.转炉除尘资源作终渣调整剂的试验[J].钢铁,2014,49(12):80.
[9]孙亮,张立国,郑志辉,等.冷却造渣剂的研究与应用实践[J].中国冶金,2016,26(12):61.
[10]江腾飞,朱良,刘风刚,等.铁水预处理脱硫渣铁回收再利用[J].钢铁,2017,52(2):24.
[11]马怀营,裴元东,潘文.钢渣替代烧结白灰的试验[J].中国冶金,2017,27(2):18.
[12]张寿荣,张卫东.中国钢铁企业固体废弃物资源化处理模式和发展方向[J].钢铁,2017,52(4):1.
[13]殷瑞钰.钢厂模式与工业生态链-钢铁工业的未来发展模式[J].中国冶金,2003,13(12):19.
[14]张寿荣.钢铁工业与技术创新[J].中国冶金,2005,15(5):5.
[15]张福明,钱世崇,殷瑞钰.钢铁厂流程结构优化与高炉大型化[J].钢铁,2012,47(7):1.
[16]樊君,赵俊学,陈艳梅,等.现代转炉炼钢各工序炉渣的再利用研究综述[J].中国冶金,2010,20(12):43.