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朱德庆等:分流预成型强化制粒改善镜铁矿粉烧结性能 ·993· 8.0%,焦粉配加量4.20%,混合制粒3min的条件下 process (CAP)for preparing blast fumace burden.fronmaking 进行烧结,所得混合料的透气性指数为0.136,垂直烧 Steelmaking,2010,37(1):1 结速度为33.52 mm-min,利用系数为l.71tm2h-1 ] Wang Y F.Wu S L,Han HL.Improvement in quality and quan- tity indices of sinter with high proportion of limonite.J Unie Sci (相比常规制粒工艺提高了18.75%),转鼓强度为 Technol Beijing,2010,32(3):292 63.80%,固体燃耗为65.24kg1.与常规制粒工艺 (王跃飞,吴胜利,韩宏亮.高褐铁矿配比下提高烧结矿产质 下的烧结指标相比,分流预成型强化制粒工艺能显著 量指标.北京科技大学学报,2010,32(3):292) 改善混合料制粒效果,提高烧结产质量指标,实现高配 8] Yuan W B.Development of a new agglomeration method and its 比镜铁矿烧结. application in Japan.Sintering Pelletizing,1990(1):7 (3)镜铁精矿经分流预成型强化制粒工艺后,改 (袁文彬.日本铁矿石造块新法的研究与应用.烧结球团, 1990(1):7) 善烧结混合料的透气性,降低烧结所需焦比,使得烧结 Borges W.Application of HPS in Monievade plant of Belgomineira 过程中料层的氧位提高,生成更多的铁酸钙及赤铁矿. company.Angang Technol,2005(4):52 同时,经分流预成型强化制粒工艺后,成品烧结矿结晶 (Borges W.贝尔戈一米内拉黑色治金公司Monievade厂小球 完善,矿物之间胶结紧密,内部气孔由不规则大孔变为 烧结工艺(HP)的应用.鞍钢技术,2005(4):52) 总体分布较为均匀且大小适中的规则球形,改善了烧 [10]Pal J,Ghorai S,Goswami M C,et al.Development of pellet- 结矿的强度和还原性 sinter composite agglomerate for blast.IS/J Int,2014,54 (3): 620 参考文献 [11]Pan J,Zhu D Q,Hamilton P et al.Improving granulating and WangZY.Process and Mechanism Research of Improring Sintering sintering performance by pretreating specularite concentrates Performance of Brazilian Specularite Bearing Mixture [Disserta- through mechanical activation./S/J Int,2013,53(12):2013 tion].Changsha:Central South University,2006 [12]Hu Y H,Feng Q M.Technology and Equipment for Mineral Re- (王志远.巴西镜铁矿强化烧结工艺及机理研究[学位论文] sources Processing.Beijing:Science Press,2006 长沙:中南大学,2006) (胡岳华,冯其明.矿物资源加工技术与设备.北京:科学出 Fang JJ,Li X B,Yue Z L,et al.Production practice of the iron 版社,2006) ore sintering with high ratio of specularite in Yong-ong Company. [13]Zhu D Q,Li J,Pan J.et al.Sintering behaviours of chromite Henan Metall,2013,21(2):36 fines and the consolidation mechanism.Int J Miner Process, (方俊杰,李新兵,岳增林,等.永通公司大比例配加镜铁矿 2008,86(14):58 的生产实践.河南治金,2013,21(2):36) [14]Fu J Y,Jiang T,Zhu D Q.Sintering and Pelletizing.Changsha: B]Chen W,Gao B Y,Yand Y B,et al.Experiment study on sinte- Central South University of Technology Press,1996 ring properties of specularite.Henan Metall,2012,20(3):6 (傅菊英,姜涛,朱德庆.烧结球团学.长沙:中南工业大学 (陈伟,高丙寅,杨玉兵,等.镜铁矿烧结性能试验研究.河 出社,1996) 南治金,2012,20(3):6) [15]Kawachi S,Kasama S.Effect of micro-particles in iron ore on the 4]Zhu DQ.Tang Y Y,Vinicius M,et al.Improvement in pelletiza- granule growth and strength.IS//Int,2011,51(7):1057 tion of Brazilian specularite by high-pressure roller grinding. 6]Zhang HQ.Study of the Techology and Mechanism of High Iron Unir Sci Technol Beijing,2009,31(1):31 and Lower Silica Sintering Improved by Separated Granulation (朱德庆,唐艳云,Vinicius M,等.高压辊磨预处理强化巴西 [Dissertation].Changsha:Central South University,2001 镜铁矿球团.北京科技大学报,2009,31(1):31) (张汉泉.分流制粒强化高铁低硅烧结工艺及机理研究[学 [5]Zhu D Q,Wang Z Y,Pan J,et al.Sintering behaviors of Brazil- 位论文].长沙:中南大学,2001) ian hematite concentrate and its improvements.Iron Steel,2007, [17]Tang X R,Wang D Y,Zhang Q C.Sintering Method and 42(1):12 Process.Changsha:Central South University of Technology (朱德庆,王志远,潘建,等.润磨强化镜铁精粉烧结特性的 Pres5,1992 研究.钢铁,2007,42(1):12) (唐贤容,王笃阳,张清岑.烧结理论与工艺.长沙:中南工 [6]Jiang T.Li G H,Wang H T,et al.Composite agglomeration 业大学社,1992)朱德庆等: 分流预成型强化制粒改善镜铁矿粉烧结性能 8. 0% ,焦粉配加量 4. 20% ,混合制粒 3 min 的条件下 进行烧结,所得混合料的透气性指数为 0. 136,垂直烧 结速度为 33. 52 mm·min - 1,利用系数为 1. 71 t·m - 2·h - 1 ( 相比常规制粒工艺提高了 18. 75% ) ,转鼓 强 度 为 63. 80% ,固体燃耗为 65. 24 kg·t - 1 . 与常规制粒工艺 下的烧结指标相比,分流预成型强化制粒工艺能显著 改善混合料制粒效果,提高烧结产质量指标,实现高配 比镜铁矿烧结. ( 3) 镜铁精矿经分流预成型强化制粒工艺后,改 善烧结混合料的透气性,降低烧结所需焦比,使得烧结 过程中料层的氧位提高,生成更多的铁酸钙及赤铁矿. 同时,经分流预成型强化制粒工艺后,成品烧结矿结晶 完善,矿物之间胶结紧密,内部气孔由不规则大孔变为 总体分布较为均匀且大小适中的规则球形,改善了烧 结矿的强度和还原性. 参 考 文 献 [1] Wang Z Y. Process and Mechanism Research of Improving Sintering Performance of Brazilian Specularite Bearing Mixture [Disserta￾tion]. Changsha: Central South University,2006 ( 王志远. 巴西镜铁矿强化烧结工艺及机理研究[学位论文]. 长沙: 中南大学,2006) [2] Fang J J,Li X B,Yue Z L,et al. Production practice of the iron ore sintering with high ratio of specularite in Yong-tong Company. Henan Metall,2013,21( 2) : 36 ( 方俊杰,李新兵,岳增林,等. 永通公司大比例配加镜铁矿 的生产实践. 河南冶金,2013,21( 2) : 36) [3] Chen W,Gao B Y,Yand Y B,et al. Experiment study on sinte￾ring properties of specularite. Henan Metall,2012,20( 3) : 6 ( 陈伟,高丙寅,杨玉兵,等. 镜铁矿烧结性能试验研究. 河 南冶金,2012,20( 3) : 6) [4] Zhu D Q,Tang Y Y,Vinicius M,et al. Improvement in pelletiza￾tion of Brazilian specularite by high-pressure roller grinding. J Univ Sci Technol Beijing,2009,31( 1) : 31 ( 朱德庆,唐艳云,Vinicius M,等. 高压辊磨预处理强化巴西 镜铁矿球团. 北京科技大学报,2009,31( 1) : 31) [5] Zhu D Q,Wang Z Y,Pan J,et al. Sintering behaviors of Brazil￾ian hematite concentrate and its improvements. Iron Steel,2007, 42( 1) : 12 ( 朱德庆,王志远,潘建,等. 润磨强化镜铁精粉烧结特性的 研究. 钢铁,2007,42( 1) : 12) [6] Jiang T,Li G H,Wang H T,et al. Composite agglomeration process ( CAP) for preparing blast furnace burden. Ironmaking Steelmaking,2010,37( 1) : l [7] Wang Y F,Wu S L,Han H L. Improvement in quality and quan￾tity indices of sinter with high proportion of limonite. J Univ Sci Technol Beijing,2010,32( 3) : 292 ( 王跃飞,吴胜利,韩宏亮. 高褐铁矿配比下提高烧结矿产质 量指标. 北京科技大学学报,2010,32( 3) : 292) [8] Yuan W B. Development of a new agglomeration method and its application in Japan. Sintering Pelletizing,1990( 1) : 7 ( 袁文彬. 日本铁矿石造块新法的研究与应用. 烧结球团, 1990( 1) : 7) [9] Borges W. Application of HPS in Monievade plant of Belgomineira company. Angang Technol,2005( 4) : 52 ( Borges W. 贝尔戈--米内拉黑色冶金公司 Monievade 厂小球 烧结工艺( HPS) 的应用. 鞍钢技术,2005( 4) : 52) [10] Pal J,Ghorai S,Goswami M C,et al. Development of pellet￾sinter composite agglomerate for blast. ISIJ Int,2014,54 ( 3) : 620 [11] Pan J,Zhu D Q,Hamilton P et al. Improving granulating and sintering performance by pretreating specularite concentrates through mechanical activation. ISIJ Int,2013,53( 12) : 2013 [12] Hu Y H,Feng Q M. Technology and Equipment for Mineral Re￾sources Processing. Beijing: Science Press,2006 ( 胡岳华,冯其明. 矿物资源加工技术与设备. 北京: 科学出 版社,2006) [13] Zhu D Q,Li J,Pan J,et al. Sintering behaviours of chromite fines and the consolidation mechanism. Int J Miner Process, 2008,86( 1--4) : 58 [14] Fu J Y,Jiang T,Zhu D Q. Sintering and Pelletizing. Changsha: Central South University of Technology Press,1996 ( 傅菊英,姜涛,朱德庆. 烧结球团学. 长沙: 中南工业大学 出社,1996) [15] Kawachi S,Kasama S. Effect of micro-particles in iron ore on the granule growth and strength. ISIJ Int,2011,51( 7) : 1057 [16] Zhang H Q. Study of the Techology and Mechanism of High Iron and Lower Silica Sintering Improved by Separated Granulation [Dissertation]. Changsha: Central South University,2001 ( 张汉泉. 分流制粒强化高铁低硅烧结工艺及机理研究[学 位论文]. 长沙: 中南大学,2001) [17] Tang X R,Wang D Y,Zhang Q C. Sintering Method and Process. Changsha: Central South University of Technology Press,1992 ( 唐贤容,王笃阳,张清岑. 烧结理论与工艺. 长沙: 中南工 业大学社,1992) · 399 ·
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