焦炭热性质评价方法的研究进展
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摘要
焦炭是高炉炼铁最重要的原燃料,其性质直接关系到高炉冶炼的效率和成本。焦炭的热性质备受炼焦和高炉炼铁领域关注,各国研究者根据对焦炭溶损反应的试验研究结果,相继提出了新的方法来测试和评价焦炭的热性质,获得简捷而实用的焦炭热性质指标对高炉生产至关重要。总结了当前对焦炭溶损反应行为以及焦炭热性质评价方法的研究进展,归纳了各种焦炭热性质评价方法的特点,提出了关于焦炭反应行为和焦炭性质评价方法的一些新思路和研究方向。
Coke is one of the most important raw materials for blast furnace ironmaking. The property of coke is related to the efficiency and cost of blast furnace process directly. The thermal property of coke has become a rising concern in the coking and iron making industry. New methods were proposed to test the thermal properties of coke constantly based on the experimental results. It is important to obtain a simple and practical coke thermal property index for blast furnace production. The work reviews some progresses in reaction behavior of coke in blast furnace and evaluation methods of coke thermal property. The characteristics of coke thermal property evaluation methods were summarized. Some new ideas and research directions about coke reaction behavior and coke property evaluation were also proposed.
Coke is one of the most important raw materials for blast furnace ironmaking. The property of coke is related to the efficiency and cost of blast furnace process directly. The thermal property of coke has become a rising concern in the coking and iron making industry. New methods were proposed to test the thermal properties of coke constantly based on the experimental results. It is important to obtain a simple and practical coke thermal property index for blast furnace production. The work reviews some progresses in reaction behavior of coke in blast furnace and evaluation methods of coke thermal property. The characteristics of coke thermal property evaluation methods were summarized. Some new ideas and research directions about coke reaction behavior and coke property evaluation were also proposed.
引文
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[3]汪琦.焦炭溶损对高炉冶炼的影响和焦炭高温性能讨论[J].鞍钢技术,2013,46(5):1.(WANG Qi.Effect of coke solution loss reaction on iron-making by blast furnace and discussion on high temperature properties of coke[J].Angang Technology,2013,46(5):1.)
[4]傅永宁.我国高炉焦炭的评价与改进[J].炼铁,1986,5(6):17.(FU Yong-ning.Evaluation and improvement of coke in China's blast furnace[J].Ironmaking,1986,5(6):17.)
[5]WANG Q,GUO R,ZHAO X F,et al.A new testing and evaluating method of cokes with greatly varied CRI and CSR[J].Fuel,2016,182(10):879.
[6]Goleczka J,Tucker J.Coke quality and its assessment in the CRE laboratory[J].Ironmaking Conference Proceedings,1985,44(1):217.
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[8]陈佰军,吴瑞琴,王梅菊,等.八钢2 500 m3高炉适应焦炭质量劣化的生产实践[J].新疆钢铁,2016,23(3):30.(CHEN Bai-jun,WU Rui-qin,WANG Mei-ju,et al.Production practice of coking quality deterioration in 2 500 m3blast furnace at Bayi Steel[J].Xinjiang Iron and Steel,2016,23(3):30.)
[9]CHENG A.Coke quality requirements for blast furnaces[J].Ironmaking and Steelmaking,2001,28(8):78.
[10]GUO R,WANG Q.Relationship between coke properties and solution loss behavior and its influence,on post-reaction strength of coke[J].Revue De Métallurgie,2012,109(6):443.
[11]周师庸,叶菁,郭继平,等.富氧喷煤条件下高炉内焦炭显微结构的研究[J].钢铁,1997,32(8):1.(ZHOU Shi-yong,YE Jing,GUO Ji-ping,et al.Study on microstructure of coke in blast furnace with oxygen-enriched blast and coal injection[J].Iron and Steel,1997,32(8):1.)
[12]张庆瑞.碱金属富集与循环[J].钢铁,1982,17(11):78.(ZHANG Qing-rui.Accumulation and circulation of alkalis in the BF[J].Iron and Steel,1982,17(11):78.)
[13]王冲,谢冬,冯帅,等.碱金属对高炉原料冶金性能的影响[J].钢铁研究,2017,45(1):6.(WANG Chong,XIE Dong,FENG Shuai,et al.Influence of alkali metals on metallurgical performance of charge for blast furnace[J].Research on Iron and Steel,2017,45(1):6.)
[14]刘家兴,富庆余.碱金属对焦炭影响的试验[J].炼铁,1986,5(4):61.(LIU Jia-xing,FU Qing-yu.Test on influence of alkali metals on coke[J].Ironmaking,1986,5(4):61.)
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[16]蔡皓宇,陈辉,张勇,等.入炉碱负荷与焦炭劣化的关系[J].中国冶金,2015,25(12):17.(CAI Hao-yu,CHEN Hui,ZHANG Yong,et al.Relationship between alkali load and degradation of koke[J].China Metallurgy,2015,25(12):17.)
[17]赵宏博,蔡皓宇,程树森,等.钾、钠对焦炭劣化作用[J].北京科技大学学报,2013,35(4):438.(ZHAO Hong-bo,CAI Haoyu,CHENG Shu-sen,et al.Degradation effect of potassium and sodium on coke[J].Journal of University of Science and Technology Beijing,2013,35(4):438.)
[18]周师庸.探讨现行高炉焦炭质量指标模拟性的积极意义[J].钢铁,2000,35(2):1.(ZHOU Shi-yong.Imitation significance of current quality indexes of coke in blast furnace production[J].Iron and Steel,2000,35(2):1.)
[19]刘永新,张波波,王福先,等.碱金属对焦炭热性能的影响[J].煤炭转化,2008,31(3):43.(LIU Yong-xin,ZHANG Bo-bo,WANG Fu-xian,et al.Effect of alkali metals on thermal properties of coke[J].Coal Conversion,2008,31(3):43.)
[20]杨先觉.碱金属对焦炭反应性和反应后强度的影响[J].武汉科技大学学报,1996,19(3):269.(YANG Xian-jue.Alkalis affect both reactivity and strength after reaction coke[J].Journal of Wuhan University of Science and Technology,1996,19(3):269.)
[21]郑朋超,张建良,刘征建,等.碱金属对焦炭热性能的影响[J].中国冶金,2017,27(5):19.(ZHENG Peng-chao,ZHANG Jianliang,LIU Zheng-jian,et al.Effect of alkali metals on thermal properties of coke[J].China Metallurgy,2017,27(5):19.)
[22]余松,赵宏博,程树森,等.高炉内碱金属和碱金属氯化物对焦炭的影响[J].钢铁研究学报,2011,23(5):20.(YU Song,ZHAO Hong-bo,CHENG Shu-sen,et al.Influence of alkali and alkali-chloride on coke in the blast furnace[J].Journal of Iron and Steel Research,2011,23(5):20.)
[23]赵宏博,程树森.高炉碱金属富集区域钾、钠加剧焦炭劣化新认识及其量化控制模型[J].北京科技大学学报,2012,34(3):333.(ZHAO Hong-bo,CHENG Shu-sen.New cognition on coke degradation by potassium and sodium in alkali enriched regions and quantificational control model for BF[J].Journal of University of Science and Technology Beijing,2012,34(3):333.)
[24]华北理工大学.一种检测碱金属对焦炭反应性及反应后强度影响的装置:中国,201610717637.1[P].2016-08-02.(North China University of Science an Technology.A Device for Detecting Influence of Alkali Metals on Coke Reactivity and Strength after Reaction:China,201610717637.1[P].2016-08-02.)
[25]竺维春,张雪松.风口焦炭取样研究对高炉操作的指导[J].钢铁研究,2009,37(2):13.(ZHU Wei-chun,ZHANG Xue-song.Using the results of tuyere coke sampling to guide blast furnace operation[J].Research on Iron and Steel,2009,37(2):13.)
[26]姚昭章,郑明东.炼焦学[M].北京:冶金工业出版社,2005.(YAO Zhao-zhang,ZHENG Ming-dong.Coking[M].Beijing:Metallurgical Industry Press,2005.)
[27]方觉,邵剑华,王兴艳.高炉用焦炭的高温抗压强度[J].钢铁研究学报,2007,19(4):12.(FANG Jue,SHAO Jian-hua,WANG Xing-yan.High temperature strength of coke for blast furnace[J].Journal of Iron and Steel Research,2007,19(4):12.)
[28]郭文涛,薛庆国,凌超,等.孔隙结构特征对焦炭高温抗拉强度的影响[J].北京科技大学学报,2016,38(7):930.(GUO Wen-tao,XUE Qing-guo,LING Chao,et al.Influence of pore structure features on the high temperature tensile strength of coke[J].Journal of University of Science and Technology Beijing,2016,38(7):930.)
[29]Naito M,Okamoto A,Yamaguchi K.Improvement of blast furnace reaction efficiency by use of high reactivity coke[J].Tetsuto-Hagané,2001,87(5):357.
[30]Nomura S,Ayukawa H,Kitaguchi H,et al.Improvement in blast furnace reaction efficiency through the use of highly reactive calcium rich coke[J].ISIJ International,2005,45(3):316.
[31]Nomura S,Naito M,Yamaguchi K.Post-reaction strength of catalyst-added highly reactive coke[J].ISIJ International,2007,47(6):831.
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