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第2期 郭汉杰等:治金活性石灰烧制过程最佳工艺制度 151 400r 500r (a) (b) 300 400 300 200 ◆一保温5min 200 一保温10min 100 ☆一保温15min 10 ◆保温5min合一保温15min ◆ 米一保温20min 量一保温10min一×保温20min 1000 1100115012001250 1000 1100115012001250 煅烧温度/℃ 煅烧温度℃ 图4预热温度为900℃时煅烧温度与石灰活性度的关系.(a)预热时间45mim:(b)预热时间60mim Fig.4 Relationship between calcination temperature and lime activity at the pre-heating temperature 900C:(a)pre-heating time 45min:(b)pre heating time 60min (2)石灰的活性度的最好值为410mL,对应的 1999(4):7 预热温度为700℃,预热时间为45min,煅烧温度为 (苏天森.冶金石灰面临的形势和任务.石灰,1999(4):7) 1150℃,煅烧时间为15min, [5]Feng X P,Zhang Z W.The calcination process of active lime Sei Technol Overseas Build Mater,2003.24(5):6 (3)当预热温度为800℃,获得最高活性度的 (冯小平,张正文,活性石灰的煅烧工艺研究·国外建材科技, 煅烧制度难以控制,预热时间短时,最高活性度对 2003,24(5):6) 应的煅烧温度的范围小;而预热时间长时,得到的最 [6]Pan C L.The metallurgical effects of activited lime made by ro- 高活性度也只有363mL,对应的煅烧温度1150℃, tary kiln.Steelmaking.1997.13(3):24 (盘昌烈.回转窑活性石灰炼钢效果.炼钢,1997,13(3):24) 煅烧时间只有5mim, [7]The Edit Group of Converter Furnace.The Design and Mainte- (4)预热温度为900℃时,要获得高的活性度, nance of Converter Furnace.Beijing:Metallurgical Industry 整个煅烧制度更难控制,这个温度在石灰石煅烧过 Press,1978:125 程中,建议不予采用, (回转窑编辑组.回转窑(设计、使用、维修),北京:冶金工业 出版社,1978.125) 参考文献 [8]Tang YX.The analysis of index for producing active lime.Steel- [1]Song Y H.Zhang X F.The production and application of active making,2001,17(3):50 lime in metallurgy.J Hebei Inst Technol.2006,28(1):5 (唐亚新.影响石灰活性的因素分析.炼钢,2001,17(3):50) (宋延辉,张羡夫.活性石灰的生产及在治金中的应用.河北 [9]Meng JX.Investigation of Baosteel Lime and Dolomite on Best 理工学院学报,2006,28(1):5) Calcination Condition and Dissolution Rate in Steelmaking Ini- [2]Yu H C.Wei Y B.Huang J.Application of active lime in liquid tial Slag [Dissertation ]Beijing:University of Science and Tech- steel refining.Steelmaking.2004.20(1):30 nology Beijing.006:13 (于华财,魏运波,黄健。活性石灰在铜水精炼中的应用.炼 (孟金霞,宝钢石灰和白云石的最佳锻烧条件和在转炉初渣中 钢,2004,20(1):30) 熔化速率的研究[学位论文].北京:北京科技大学,2006:13) [3]ChenZ Q.Comparison and selection of three types of active lime [10]Li RZ.Han Y.Han YY.et al.Application of active lime in shaft kilns.Steelmaking.1999.15(5):52 oxygen converter process.Iron Steel.1989.24(10):25 (陈子琦.活性石灰竖窑窑型比较.炼钢,1999,15(5):52) (李仁志,韩晔,韩云元,等.活性石灰在转炉炼钢中的应 [4]SouTS.The situation and mission of metallurgical lime.Lime. 用.钢铁,1989,24(10):25)图4 预热温度为900℃时煅烧温度与石灰活性度的关系.(a) 预热时间45min;(b) 预热时间60min Fig.4 Relationship between calcination temperature and lime activity at the pre-heating temperature900℃:(a) pre-heating time45min;(b) pre￾heating time60min (2) 石灰的活性度的最好值为410mL‚对应的 预热温度为700℃‚预热时间为45min‚煅烧温度为 1150℃‚煅烧时间为15min. (3) 当预热温度为800℃‚获得最高活性度的 煅烧制度难以控制.预热时间短时‚最高活性度对 应的煅烧温度的范围小;而预热时间长时‚得到的最 高活性度也只有363mL‚对应的煅烧温度1150℃‚ 煅烧时间只有5min. (4) 预热温度为900℃时‚要获得高的活性度‚ 整个煅烧制度更难控制.这个温度在石灰石煅烧过 程中‚建议不予采用. 参 考 文 献 [1] Song Y H‚Zhang X F.The production and application of active lime in metallurgy.J Hebei Inst Technol‚2006‚28(1):5 (宋延辉‚张羡夫.活性石灰的生产及在冶金中的应用.河北 理工学院学报‚2006‚28(1):5) [2] Yu H C‚Wei Y B‚Huang J.Application of active lime in liquid steel refining.Steelmaking‚2004‚20(1):30 (于华财‚魏运波‚黄健.活性石灰在钢水精炼中的应用.炼 钢‚2004‚20(1):30) [3] Chen Z Q.Comparison and selection of three types of active lime shaft kilns.Steelmaking‚1999‚15(5):52 (陈子琦.活性石灰竖窑窑型比较.炼钢‚1999‚15(5):52) [4] Sou T S.The situation and mission of metallurgical lime.L ime‚ 1999(4):7 (苏天森.冶金石灰面临的形势和任务.石灰‚1999(4):7) [5] Feng X P‚Zhang Z W.The calcination process of active lime. Sci Technol Overseas Build Mater‚2003‚24(5):6 (冯小平‚张正文.活性石灰的煅烧工艺研究.国外建材科技‚ 2003‚24(5):6) [6] Pan C L.The metallurgical effects of activited lime made by ro￾tary kiln.Steelmaking‚1997‚13(3):24 (盘昌烈.回转窑活性石灰炼钢效果.炼钢‚1997‚13(3):24) [7] The Edit Group of Converter Furnace.The Design and Mainte￾nance of Converter Furnace.Beijing: Metallurgical Industry Press‚1978:125 (回转窑编辑组.回转窑(设计、使用、维修).北京:冶金工业 出版社‚1978:125) [8] Tang Y X.The analysis of index for producing active lime.Steel￾making‚2001‚17(3):50 (唐亚新.影响石灰活性的因素分析.炼钢‚2001‚17(3):50) [9] Meng J X.Investigation of Baosteel L ime and Dolomite on Best Calcination Condition and Dissolution Rate in Steelmaking Ini￾tial Slag [Dissertation].Beijing:University of Science and Tech￾nology Beijing‚2006:13 (孟金霞.宝钢石灰和白云石的最佳锻烧条件和在转炉初渣中 熔化速率的研究[学位论文].北京:北京科技大学‚2006:13) [10] Li R Z‚Han Y‚Han Y Y‚et al.Application of active lime in oxygen converter process.Iron Steel‚1989‚24(10):25 (李仁志‚韩晔‚韩云元‚等.活 性石灰在转炉炼钢中的应 用.钢铁‚1989‚24(10):25) 第2期 郭汉杰等: 冶金活性石灰烧制过程最佳工艺制度 ·151·
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