正在加载图片...
·1376 工程科学学报,第38卷,第10期 N,满足链篦机-一回转窑生产工艺对预热球强度大于每 (张启轩.我国铁合金工业的现状及加快实施创新对策.铁合 个400N的要求:与传统的铁矿球团相比,铬铁矿球团 金,2000(2):33) 焙烧所需的温度高,当焙烧温度从1250℃提高到1350 [Li D H.Research on Optimization of Granulation and Sintering Process of Chromite Ores [Dissertation].Chongqing:Chongqing ℃,球团强度从每个1078N提高到1973N. University,2012 (2)在铬铁矿球团焙烧过程中,(Fe,Mg)(Cr, (李东海.铬铁矿制粒烧结工艺优化研究[学位论文].重庆: Al),0,氧化生成(Fe,Mg)(Cr,Fe,Al),0,和铬铁铝复 重庆大学,2012) 合氧化物(Cr,Fe,Al),03,(Cr,Fe,Al),03主要分布在 9] Yan J F,Chen J X,Hu L Chrome Metallurgy.Beijing:Metal- 颗粒外层,颗粒内部为针状(Cr,Fe,Al),O3与(Fe, lurgical Industry Press,2007 Mg)(Cr,Fe,Al),0,形成交织结构. (阁江峰,陈加希,胡亮.铬治金.北京:治金工业出版社, 2007) (3)Cr/Fe比的降低和焙烧温度的升高均有助于 [10]Yang S M.Problems and thinking about FeCr production and de- (Cr,fe,A),0,向颗粒外层富集,其再结晶有利于球 velopment in our country.Ferro-lloys,1996,27 (3):48 团的固结,从而提高球团强度.因此,生产铬铁矿氧化 (杨世明.我国铬铁生产发展中的问题与思路.铁合金, 球团时,在满足不同牌号铬铁合金生产对Cr/Fe比要 1996,27(3):48) 求的情况下,在高Cr/Fe比原料中可适量配加低Cr/Fe 1] Tathavadkar V D,Antony M P,Jha A.The physical chemistry of 比原料,可以降低生产难度,同时有利于节能降耗 thermal decomposition of South African chromite minerals.Metall Mater Trans B,2005,36(1)75 参考文献 [12]Wang H J,Lang Y P,Wang X J,et al.Investigation on the pel- [Liu P X,Chu S J.Study on chromite ore cold pellets of powder. letizing and sintering process with South African ferrochrome fine Res Iron Steel,2011,39(3)12 ore.Ferro-lloys,2013,44(1)6 (刘培骁,储少军.铬粉矿冷压球团的研究.钢铁研究,2011, (王海娟,啷永沛,汪晓今,等.南非铬铁粉矿球团烧结工艺 39(3):12) 的探索.铁合金,2013,44(1):6) Zhu D Q,Li J,Fan X H,et al.Methods of chromite fines ag- [13]Li J.Study on New Technology of Chromite Pellet Sintering and glomeration.Sintering Pelletizing,2004,29(2):27 Agglomeration Mechanism [Dissertation].Changsha:Central (朱德庆,李建,范晓慧,等。铬铁矿粉造块方法综述.烧结 South University,2004 球团,2004,29(2):27) (李建.铬铁矿粉球团烧结新工艺及固结机理研究[学位论 B]Zhu D Q,Li J,Pan J,et al.Experimental study on sintering of 文].长沙:中南大学,2004) chromite fines.Iron Steel,2007,42(8):7 [14]Fu J Y,Jiang T,Zhu D Q.Sintering and Pelleting.Changsha: (朱德庆,李建,潘建,等.铬铁矿粉烧结试验研究.钢铁, Central South University of Technology Press,1996 2007,42(8):7) (傅菊英,姜涛,朱德庆.烧结球团学.长沙:中南工业大学 4]Shoko N R,Malila N N.Briquetted chrome ore fines utilization in 出版社,1996) ferrochrome production at zimbabwe alloys /Tenth International [15]Qi T G.Theory and Technology for Intensified Oxidative Roasting Ferroalloys Congress.Cape Town,2004:291 of Chromite Ore [Dissertation].Changsha:Central South Uni- 5]Zhu D Q,Zhang H L,Pan J,et al.Study on new technology of versity,2011 chromite pellet sintering and agglomeration mechanism.Met Mine, (齐天贵.铬铁矿强氧化;烧理论与技术研究[学位论文] 2010(5):99 长沙:中南大学,2011) (朱德庆,仉宏亮,潘建,等.铬铁粉矿球团烧结新工艺及固 [16]Zhu D Q,Li J,Pan J,et al.Sintering behaviors of chromite 结机理研究.金属矿山,2010(5):99) fines and the consolidation mechanism.Int Miner Process, [6]Zheng M G,Lai L G.Scenario analysis of China's demand for 2008,86(1):58 chrome ore.Resour Ind,2011,13(4):43 [17]Chen P.Research on Preparation and Separation Beharior by Re- (郑明贵,赖亮光。中国铬矿需求情景分析.资源与产业, duction of Nickel-Chromium Composite Sinters [Dissertation ] 2011,13(4):43) Chongqing:Chongqing University,2014 Zhang Q X.Present situation of China ferroalloy industry and (陈攀.镍铬复合烧结矿的制备与还原分离行为研究[学位 countermeasures to innovate quickly.Ferro-lloys,2000(2):33 论文].重庆:重庆大学,2014)工程科学学报,第 38 卷,第 10 期 N,满足链篦机--回转窑生产工艺对预热球强度大于每 个 400 N 的要求; 与传统的铁矿球团相比,铬铁矿球团 焙烧所需的温度高,当焙烧温度从 1250 ℃提高到 1350 ℃,球团强度从每个 1078 N 提高到 1973 N. ( 2) 在铬 铁 矿 球 团 焙 烧 过 程 中,( Fe,Mg) ( Cr, Al) 2O4 氧化生成( Fe,Mg) ( Cr,Fe,Al) 2O4 和铬铁铝复 合氧化物( Cr,Fe,Al) 2O3,( Cr,Fe,Al) 2O3 主要分布在 颗粒外 层,颗 粒 内 部 为 针 状( Cr,Fe,Al) 2O3 与( Fe, Mg) ( Cr,Fe,Al) 2O4 形成交织结构. ( 3) Cr / Fe 比的降低和焙烧温度的升高均有助于 ( Cr,Fe,Al) 2O3 向颗粒外层富集,其再结晶有利于球 团的固结,从而提高球团强度. 因此,生产铬铁矿氧化 球团时,在满足不同牌号铬铁合金生产对 Cr / Fe 比要 求的情况下,在高 Cr / Fe 比原料中可适量配加低 Cr / Fe 比原料,可以降低生产难度,同时有利于节能降耗. 参 考 文 献 [1] Liu P X,Chu S J. Study on chromite ore cold pellets of powder. Res Iron Steel,2011,39( 3) : 12 ( 刘培骁,储少军. 铬粉矿冷压球团的研究. 钢铁研究,2011, 39( 3) : 12) [2] Zhu D Q,Li J,Fan X H,et al. Methods of chromite fines ag￾glomeration. Sintering Pelletizing,2004,29( 2) : 27 ( 朱德庆,李建,范晓慧,等. 铬铁矿粉造块方法综述. 烧结 球团,2004,29( 2) : 27) [3] Zhu D Q,Li J,Pan J,et al. Experimental study on sintering of chromite fines. Iron Steel,2007,42( 8) : 7 ( 朱德庆,李建,潘建,等. 铬铁矿粉烧结试验研究. 钢铁, 2007,42( 8) : 7) [4] Shoko N R,Malila N N. Briquetted chrome ore fines utilization in ferrochrome production at zimbabwe alloys / / Tenth International Ferroalloys Congress. Cape Town,2004: 291 [5] Zhu D Q,Zhang H L,Pan J,et al. Study on new technology of chromite pellet sintering and agglomeration mechanism. Met Mine, 2010( 5) : 99 ( 朱德庆,仉宏亮,潘建,等. 铬铁粉矿球团烧结新工艺及固 结机理研究. 金属矿山,2010( 5) : 99) [6] Zheng M G,Lai L G. Scenario analysis of China’s demand for chrome ore. Resour Ind,2011,13( 4) : 43 ( 郑明贵,赖亮光. 中国铬矿需求情景分析. 资源与产业, 2011,13( 4) : 43) [7] Zhang Q X. Present situation of China ferroalloy industry and countermeasures to innovate quickly. Ferro-Alloys,2000( 2) : 33 ( 张启轩. 我国铁合金工业的现状及加快实施创新对策. 铁合 金,2000( 2) : 33) [8] Li D H. Research on Optimization of Granulation and Sintering Process of Chromite Ores [Dissertation]. Chongqing: Chongqing University,2012 ( 李东海. 铬铁矿制粒烧结工艺优化研究[学位论文]. 重庆: 重庆大学,2012) [9] Yan J F,Chen J X,Hu L. Chrome Metallurgy. Beijing: Metal￾lurgical Industry Press,2007 ( 阎江峰,陈加希,胡亮. 铬冶金. 北京: 冶金工业出版社, 2007) [10] Yang S M. Problems and thinking about FeCr production and de￾velopment in our country. Ferro-Alloys,1996,27( 3) : 48 ( 杨世明. 我国铬铁生产发展中的问题与思路. 铁 合 金, 1996,27( 3) : 48) [11] Tathavadkar V D,Antony M P,Jha A. The physical chemistry of thermal decomposition of South African chromite minerals. Metall Mater Trans B,2005,36( 1) : 75 [12] Wang H J,Lang Y P,Wang X J,et al. Investigation on the pel￾letizing and sintering process with South African ferrochrome fine ore. Ferro-Alloys,2013,44( 1) : 6 ( 王海娟,郎永沛,汪晓今,等. 南非铬铁粉矿球团烧结工艺 的探索. 铁合金,2013,44( 1) : 6) [13] Li J. Study on New Technology of Chromite Pellet Sintering and Agglomeration Mechanism [Dissertation]. Changsha: Central South University,2004 ( 李建. 铬铁矿粉球团烧结新工艺及固结机理研究[学位论 文]. 长沙: 中南大学,2004) [14] Fu J Y,Jiang T,Zhu D Q. Sintering and Pelleting. 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 出版社,1996) [15] Qi T G. Theory and Technology for Intensified Oxidative Roasting of Chromite Ore [Dissertation]. Changsha: Central South Uni￾versity,2011 ( 齐天贵. 铬铁矿强氧化焙烧理论与技术研究[学位论文]. 长沙: 中南大学,2011) [16] Zhu D Q,Li J,Pan J,et al. Sintering behaviors of chromite fines and the consolidation mechanism. Int J Miner Process, 2008,86( 1) : 58 [17] Chen P. Research on Preparation and Separation Behavior by Re￾duction of Nickel--Chromium Composite Sinters[Dissertation]. Chongqing: Chongqing University,2014 ( 陈攀. 镍铬复合烧结矿的制备与还原分离行为研究[学位 论文]. 重庆: 重庆大学,2014) · 6731 ·
<<向上翻页
©2008-现在 cucdc.com 高等教育资讯网 版权所有