日照钢铁固废尘泥处理实践
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摘要
介绍了国内外处理固废尘泥的几种工艺,重点介绍了火法处理法中的回转窑工艺、转底炉工艺;并对公司近几年烧结机头灰、转炉灰、高炉灰等含锌尘泥的处理工艺流程及技术特点做了重点描述;介绍了公司2010—2018年随着固废尘泥成分变化,特别是2017年转炉大量添加废钢,转炉灰锌质量分数大幅上升后,为实现公司含锌粉尘有价元素效益最大化和零外排,转底炉在处理含锌尘泥方面做了有益的实践和尝试,也给出了一些处理钢厂固废尘泥的建议,给国内同行处理固废尘泥提供了一定的借鉴。
This paper introduces several technologies of treating the solid waste dust mud at home and abroad,focusing on the rotary kiln process and the rotary hearth furnace process in the fire treatment process,and also emphatically introduces the technological processes and technical characteristics of the treatment processes of the sintering machine ash,the converter ash and the zinc-bearing dust slime such as blast furnace ash in recent years. With the change of solid waste sludge composition from 2010 to 2018,the practice and experience of the converter bottom furnace in treating the zinc containing dust mud are introduced,especially after 2017,a large amount of scrap steel is added to converter and the content of zinc in converter ash is greatly increased,in order to maximize the benefit and realize the zero discharge of the zinc containing dust,the rotary hearth furnace has made beneficial practices and attempts in dealing with the zinc dust and mud. Some suggestions for treating solid waste sludge in steel plant are also given,which can provide a reference for domestic counterparts.
This paper introduces several technologies of treating the solid waste dust mud at home and abroad,focusing on the rotary kiln process and the rotary hearth furnace process in the fire treatment process,and also emphatically introduces the technological processes and technical characteristics of the treatment processes of the sintering machine ash,the converter ash and the zinc-bearing dust slime such as blast furnace ash in recent years. With the change of solid waste sludge composition from 2010 to 2018,the practice and experience of the converter bottom furnace in treating the zinc containing dust mud are introduced,especially after 2017,a large amount of scrap steel is added to converter and the content of zinc in converter ash is greatly increased,in order to maximize the benefit and realize the zero discharge of the zinc containing dust,the rotary hearth furnace has made beneficial practices and attempts in dealing with the zinc dust and mud. Some suggestions for treating solid waste sludge in steel plant are also given,which can provide a reference for domestic counterparts.
引文
[1]刘胜涛,王凯,朱利.首秦资源类固废综合回收利用实践[J].中国冶金,2018,28(11):73.(LIU Sheng-tao,WANG Kai,ZHU Li. Practice on comprehensive recycling of solid waste resources in Shouqin Company[J]. China Metallurgy,2018,28(11):73.)
[2]常治宇,张建良,宁晓钧,等.柳钢4号高炉侧壁温度升高与侵蚀状态分析[J].中国冶金,2018,28(6):13.(CHANG Zhiyu,ZHANG Jian-liang,NING Xiao-jun,et al. Analysis of temperature rise and erosion state on sidewall of No.4 BF in Liusteel[J]. China Metallurgy,2018,28(6):13.)
[3]马洪修,张建良,焦克新,等.高炉炉缸侵蚀特征及侵蚀原因探析[J].钢铁,2018,53(9):14.(MA Hong-xiu,ZHANG Jianliang,JIAO Ke-xin,et al. Analysis of erosion characteristics and causes of blast furnace hearth[J]. Iron and Steel,2018,53(9):14.)
[4]张恒,张建良,焦克新,等.高炉板壁结合冷却器破损原因解析[J].钢铁,2018,53(8):28.(ZHANG Heng,ZHANG Jian-liang,JIAO Ke-xin,et al. Analysis on damage cause to staveplate compound cooling system of a commercial blast furnace[J]. Iron and Steel,2018,53(8):28.)
[5]王静松,杨慧贤,余雪松,等转底炉处理冶金粉尘工艺的锌钾钠脱除及烟气形成[J].重庆大学学报,2011,(34)3:83.(WANG Jing-song,YANG Hui-xian,YU Xue-song,et al.Study on mechanism of Zn,K,Na removal and flue gas formation in RHF direct reduction treat metallurgical dust process[J]. Journal of Chongqing University,2011(,34)3:83.)
[6]蒋新民.钢铁厂烧结机头电除尘灰综合利用[D].湘潭:湘潭大学,2010.(JIANG Xin-min. Comprehensive Utilization of ElEctrostatic Precipitator Dust in Sintering Head of Iron and Steel Works[D]. Xiangtan:Xiangtan University,2010)
[7]刘颖.转底炉内冶金粉尘含碳球团直接还原过程数学模型研究[D].北京:北京科技大学,2012.(LIU Ying. Study on Mathematical Model of Direct Reduction Process of Metallurgical Dust Containing Carbon Pellets in Rotary Hearth Furnace[D].Beijing:University of Science and Technology Beijing,2012.)
[8]刘自民,饶磊,桂满城,等.马钢含铁尘泥综合利用研究与实践[J].中国冶金,2018,28(9):71.(LIU Zi-min,RAO Lei,GUI Man-cheng,et al. Research and practice of comprehensive utilization of Fe-containing dust in Masteel[J]. China Metallurgy,2018,28(9):71.)
[9]王君贤.转底炉处理冶金含锌尘泥的理论分析及实验研究[D].重庆:重庆大学,2012.(WANG Jun-xian. Theoretical Analysis and Experimental Study on Treatment of Metallurgical Zinc Containing Dust and Sludge by Rotary Hearth Furnace[D]. Chongqing:Chongqing University,2012.)
[10]邹凌云,孙普.高炉炉尘回转窑法制备次氧化锌的工业实践[J].南方冶金,2016,8(211):44.(ZOU Ling-yun,SUN Pu. Industrial practice of producing zinc oxide by blast furnace dust rotary kiln process[J]. Southern Metallurgy,2016,8(211):44.)
[11]李生忠.钢铁厂含锌尘泥处理直接还原转底炉的设计和应用[J].工业炉,2015,37(1):24.(LI Sheng-zhong. Design and application of direct reduction rotary hearth furnace with zinc dust and sludge treatment in iron and steel works[J]. Industrial Furnace,2015,37(1):24.)
[12]康凌晨,张垒,张大华,等.烧结机头电除尘灰的处理与利用[J].工业安全与环保,2015(41):3.(KANG Ling-chen,ZHANG Lei,ZHANG Da-hua,et al. Treatment and utilization of dust from sintering machine head[J]. Industrial Safety and Environmental Protection,2015(41):3.)
[13]黄杰.谈转底炉的发展[J].中国冶金,2007,17(4):23.(HUANG Jie. Talking about the development of rotary hearth furnace[J]. China Metallurgy,2007,17(4):23.)
[14]许海川.钢厂尘泥的整体优化处理[J].中国冶金,2009,19(12):33.(XU Hai-chuan. Integrated optimization of dust and sludge in steel works[J]. China Metallurgy,2009,19(12):33.)
[15]康芷源.处理含锌粉尘的转底炉料层温度分布特性研究[D].重庆:重庆大学,2015.(KANG Zhi-yuan. Study on Temperature Distribution Characteristics of Bottom Charge Layer for Treating Zinc Containing Dust[D]. Chongqing:Chongqing University,2015.)
[16]党要均.高炉粉尘还原脱锌试验研究[D].西安:西安建筑科技大学,2014.(DANG Yao-jun. Experimental Study on Reducing Dezine of Blast Furnace Dust[D]. Xi'an:Xi'an University of Architecture and Technology,2014.)
[17]李博,毛艳丽,王博蔚,等.转底炉技术及其在含铁尘泥处理中的应用[J].鞍钢技术,2017(6):8.(LI Bo,MAO Yan-li,WANG Bo-wei,et al. Rotary hearth furnace technology and its application in treatment of iron containing dust and sludge[J].Angang Technology,2017(6):8.)
[2]常治宇,张建良,宁晓钧,等.柳钢4号高炉侧壁温度升高与侵蚀状态分析[J].中国冶金,2018,28(6):13.(CHANG Zhiyu,ZHANG Jian-liang,NING Xiao-jun,et al. Analysis of temperature rise and erosion state on sidewall of No.4 BF in Liusteel[J]. China Metallurgy,2018,28(6):13.)
[3]马洪修,张建良,焦克新,等.高炉炉缸侵蚀特征及侵蚀原因探析[J].钢铁,2018,53(9):14.(MA Hong-xiu,ZHANG Jianliang,JIAO Ke-xin,et al. Analysis of erosion characteristics and causes of blast furnace hearth[J]. Iron and Steel,2018,53(9):14.)
[4]张恒,张建良,焦克新,等.高炉板壁结合冷却器破损原因解析[J].钢铁,2018,53(8):28.(ZHANG Heng,ZHANG Jian-liang,JIAO Ke-xin,et al. Analysis on damage cause to staveplate compound cooling system of a commercial blast furnace[J]. Iron and Steel,2018,53(8):28.)
[5]王静松,杨慧贤,余雪松,等转底炉处理冶金粉尘工艺的锌钾钠脱除及烟气形成[J].重庆大学学报,2011,(34)3:83.(WANG Jing-song,YANG Hui-xian,YU Xue-song,et al.Study on mechanism of Zn,K,Na removal and flue gas formation in RHF direct reduction treat metallurgical dust process[J]. Journal of Chongqing University,2011(,34)3:83.)
[6]蒋新民.钢铁厂烧结机头电除尘灰综合利用[D].湘潭:湘潭大学,2010.(JIANG Xin-min. Comprehensive Utilization of ElEctrostatic Precipitator Dust in Sintering Head of Iron and Steel Works[D]. Xiangtan:Xiangtan University,2010)
[7]刘颖.转底炉内冶金粉尘含碳球团直接还原过程数学模型研究[D].北京:北京科技大学,2012.(LIU Ying. Study on Mathematical Model of Direct Reduction Process of Metallurgical Dust Containing Carbon Pellets in Rotary Hearth Furnace[D].Beijing:University of Science and Technology Beijing,2012.)
[8]刘自民,饶磊,桂满城,等.马钢含铁尘泥综合利用研究与实践[J].中国冶金,2018,28(9):71.(LIU Zi-min,RAO Lei,GUI Man-cheng,et al. Research and practice of comprehensive utilization of Fe-containing dust in Masteel[J]. China Metallurgy,2018,28(9):71.)
[9]王君贤.转底炉处理冶金含锌尘泥的理论分析及实验研究[D].重庆:重庆大学,2012.(WANG Jun-xian. Theoretical Analysis and Experimental Study on Treatment of Metallurgical Zinc Containing Dust and Sludge by Rotary Hearth Furnace[D]. Chongqing:Chongqing University,2012.)
[10]邹凌云,孙普.高炉炉尘回转窑法制备次氧化锌的工业实践[J].南方冶金,2016,8(211):44.(ZOU Ling-yun,SUN Pu. Industrial practice of producing zinc oxide by blast furnace dust rotary kiln process[J]. Southern Metallurgy,2016,8(211):44.)
[11]李生忠.钢铁厂含锌尘泥处理直接还原转底炉的设计和应用[J].工业炉,2015,37(1):24.(LI Sheng-zhong. Design and application of direct reduction rotary hearth furnace with zinc dust and sludge treatment in iron and steel works[J]. Industrial Furnace,2015,37(1):24.)
[12]康凌晨,张垒,张大华,等.烧结机头电除尘灰的处理与利用[J].工业安全与环保,2015(41):3.(KANG Ling-chen,ZHANG Lei,ZHANG Da-hua,et al. Treatment and utilization of dust from sintering machine head[J]. Industrial Safety and Environmental Protection,2015(41):3.)
[13]黄杰.谈转底炉的发展[J].中国冶金,2007,17(4):23.(HUANG Jie. Talking about the development of rotary hearth furnace[J]. China Metallurgy,2007,17(4):23.)
[14]许海川.钢厂尘泥的整体优化处理[J].中国冶金,2009,19(12):33.(XU Hai-chuan. Integrated optimization of dust and sludge in steel works[J]. China Metallurgy,2009,19(12):33.)
[15]康芷源.处理含锌粉尘的转底炉料层温度分布特性研究[D].重庆:重庆大学,2015.(KANG Zhi-yuan. Study on Temperature Distribution Characteristics of Bottom Charge Layer for Treating Zinc Containing Dust[D]. Chongqing:Chongqing University,2015.)
[16]党要均.高炉粉尘还原脱锌试验研究[D].西安:西安建筑科技大学,2014.(DANG Yao-jun. Experimental Study on Reducing Dezine of Blast Furnace Dust[D]. Xi'an:Xi'an University of Architecture and Technology,2014.)
[17]李博,毛艳丽,王博蔚,等.转底炉技术及其在含铁尘泥处理中的应用[J].鞍钢技术,2017(6):8.(LI Bo,MAO Yan-li,WANG Bo-wei,et al. Rotary hearth furnace technology and its application in treatment of iron containing dust and sludge[J].Angang Technology,2017(6):8.)