|
|
|
| Analysis and Countermeasure for Descaling Indivisibility of Oxide Scale |
| DING Bo1,DING Mei-liang1,GUAN Jian-hui1,MAO Yong-ming2 |
1. Institute of Research of Iron and Steel, Shasteel, Zhangjiagang 215625, Jiangsu, China
2. Jiangsu Shasteel Group Co., Ltd., Zhangjiagang 215625, Jiangsu, China |
|
|
|
|
Abstract The reason that oxide scale of continuous casting slab cannot be incompletely removed was analyzed by SEM. The results show that the inner layer of oxide scale of continuous casting slab for Q235B, Q345B and SPA-H embeds in steel matrix in the form of cuneiform. The oxide scale embedded in steel matrix is mainly Fe2SiO4. With increasing silicon, the content of Fe2SiO4 in the matrix increases, leading to the increment of adhesion force between inner layer oxide scale and steel matrix, which is the fundamental reason for the incomplete remove of oxide scale of continuous casting slab. Therefore, the methods to remove the oxide scale of continuous casting slab were proposed. On the one hand, the temperature of continuous casting slab should be elevated to above 1173℃ by optimization of the heating process, on the other hand, in order to increase the effect of high-pressure water descaling, high-pressure water descaling system parameters can be optimized.
|
|
Received: 07 January 2013
Published: 18 June 2013
|
|
|
|
| [1] |
中村峻之. 热轧板坯氧化铁皮的高温剥离性 [J]. 世界钢铁，1995,（4）: 48-54
|
| [2] |
薛念福，李里，陈继林, 等. 热轧带钢除鳞技术研究 [J]. 钢铁钒钛, 2003, 24(3) : 52-59.
|
| [3] |
马冬青. 板带热轧工艺学 [M]. 北京：冶金工业出版社，1998：483-507.
|
| [1] |
中村峻之. 热轧板坯氧化铁皮的高温剥离性 [J]. 世界钢铁，1995,（4）: 48-54
|
| [4] |
李峰, 张震. 中厚板生产高压水除鳞效果分析及基本参数设计 [J]. 中国重型装备, 2011, (1) : 4-6.
|
| [2] |
薛念福，李里，陈继林, 等. 热轧带钢除鳞技术研究 [J]. 钢铁钒钛, 2003, 24(3) : 52-59.
|
| [5] |
刘振宇，于洋，郭晓波，等. 板带热连轧中氧化铁皮的控制技术 [J]. 轧钢, 2009, 26(1) : 5-9.
|
| [3] |
马冬青. 板带热轧工艺学 [M]. 北京：冶金工业出版社，1998：483-507.
|
| [4] |
李峰, 张震. 中厚板生产高压水除鳞效果分析及基本参数设计 [J]. 中国重型装备, 2011, (1) : 4-6.
|
| [5] |
刘振宇，于洋，郭晓波，等. 板带热连轧中氧化铁皮的控制技术 [J]. 轧钢, 2009, 26(1) : 5-9.
|
| [6] |
赵宗波. 现代热轧带钢除鳞技术 [J]. 轧钢, 1993, (4) : 28-31.
|
| [6] |
赵宗波. 现代热轧带钢除鳞技术 [J]. 轧钢, 1993, (4) : 28-31.
|
| [7] |
韩清刚. 热轧带钢粗轧高压水除鳞系统数值计算 [J]. 轧钢, 2010, 2(27) : 40-43.
|
| [8] |
魏亚彬, 屈明友, 郭艳花. 高压水除鳞技术在邯钢CSP 生产线上的应用 [J]. 轧钢, 2008, 25(1) : 59-61.
|
| [7] |
韩清刚. 热轧带钢粗轧高压水除鳞系统数值计算 [J]. 轧钢, 2010, 2(27) : 40-43.
|
| [9] |
高昕. 高压水除鳞喷嘴的设计与试验研究 [J]. 钢铁, 1982, 7 (17) : 28-33.
|
| [8] |
魏亚彬, 屈明友, 郭艳花. 高压水除鳞技术在邯钢CSP 生产线上的应用 [J]. 轧钢, 2008, 25(1) : 59-61.
|
| [9] |
高昕. 高压水除鳞喷嘴的设计与试验研究 [J]. 钢铁, 1982, 7 (17) : 28-33.
|
| [10] |
Huang Gu. Research on properties of woven fabrics treated by high pressure water jet [J]. Journal of Dong Hua University (eng.ed.), vol.18, No.4 (2001), pp, 94-96.
|
| [11] |
魏天斌. 热轧氧化铁皮的成因及去除方法 [J].钢铁研究, 2003, (4) : 54-58.
|
| [10] |
Huang Gu. Research on properties of woven fabrics treated by high pressure water jet [J]. Journal of Dong Hua University (eng.ed.), vol.18, No.4 (2001), pp, 94-96.
|
| [11] |
魏天斌. 热轧氧化铁皮的成因及去除方法 [J].钢铁研究, 2003, (4) : 54-58.
|
| [1] |
ZHOU Cong-rui， CHEN Xiao-long， ZHOU Ming-ke，FAN Lei， MEI Peng， BAO Si-qian. Cause analysis of surface blackening of SPHC hot rolled strip after pickling[J]. PHYSICS EXAMINATION AND TESTING, 2020, 38(3): 41-. |
| [2] |
zhong-peng. Analysis of the formation mechanism of surface skin on tinplate[J]. , 2020, 45(3): 0-0. |
| [3] |
. Analysis and control of slag inclusion defect of low carbon steel slab[J]. , 2020, 45(2): 0-0. |
| [4] |
LAN Peng, TIE Zhan-peng, ZHANG Wei, MIAO Hong-sheng, YAN Qing-zhong, ZHANG Jia-quan. Research progress on spot segregation defects in continuously cast semi-products[J]. Iron and Steel, 2020, 55(2): 11-22. |
| [5] |
XIE shizheng. Effect of roller EMS on macrostructure and properties of high strength steel[J]. , 2020, 45(1): 0-0. |
| [6] |
AI Songyuan, LONG Mujun, ZHANG Mengyuan, CHEN Dengfu,. Hightemperature strength of L245MB slab and elastic #br# properties of iron matrix[J]. Iron and Steel, 2019, 54(8): 194-201. |
|
|
|
|
2013, Vol. 48 
