Analysis of Fluid Flow of Liquid Steel through Clogged Nozzles: Thermodynamic Analysis and Flow Simulations

被引：14

作者：

Gonzalez-Solorzano, Maria Guadalupe ^{[1
]}

Morales, Rodolfo Davila ^{[1
]}

Gutierrez, Enif ^{[2
]}

Guarneros, Javier ^{[3
]}

Chattopadhyay, Kinnor ^{[4
]}

机构：

[1] UPALM, Dept Met & Mat Engn ESIQIE, Inst Politecn Nacl, Ed 7, Mexico City 07738, DF, Mexico

[2] Inst Tecnol Morelia, Ctr Posgrad Met, Ave Tecnol 1500, Morelia 58120, Michoacan, Mexico

[3] K&E Technol, Grp Fluid Flow Control, Manizales 88 Col San Pedro Zacatenco, Mexico City 07369, DF, Mexico

[4] Proc Met Res Labs, Dept Mat Sci & Engn, 184 Coll St,Suit 140, Toronto, ON M5S 3E4, Canada

来源：

STEEL RESEARCH INTERNATIONAL | 2020年 / 91卷 / 11期

关键词：

clogging; inclusion adherences; internal flows; hydrophobic; SUBMERGED ENTRY NOZZLE; INTERFACIAL PROPERTIES; IMMERSION NOZZLE; ULC STEEL; TI; ALUMINA; IRON; DEPOSITION; INCLUSION; MECHANISM;

D O I：

10.1002/srin.202000049

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Selected raw materials, surface treatment, and control of the internal flow fundamentals are applied to manufacture an anticlogging nozzle. This nozzle is compared with another one manufactured with a conventional alumina-graphite (AG) composite in a plant trial. The two nozzles, with and without clogging, are replicated with plastic and rubber materials and the flows, under unclogged and clogged conditions, are characterized using water modelling and mathematical simulations. The new nozzle material yields considerably less clogging than the nozzle with the conventional AG after casting four heats, yet, there is still clogging. Flow patterns, because of clogging, change radically and represent serious conditions for slab integrity and the productivity of the caster.

引用

页数：14

共 52 条

[31] Interfacial properties of molten low carbon steel containing Ti, Nb or B in relation to the behavior of fine particles in continuous casting process [J].

Mukai, Kusuhiro ;

Zhong, Liangcai ;

Zeze, Masafumi .

ISIJ INTERNATIONAL, 2006, 46 (12) :1810-1816

[32] Effects of Interfacial Properties between Molten Iron and Alumina on Neck Growth of Alumina Balls at Sintering in Molten Iron [J].

Nakamoto, Masashi ;

Tanaka, Toshihiro ;

Suzuki, Masanori ;

Taguchi, Kenji ;

Tsukaguchi, Yuichi ;

Yamamoto, Takaiku .

ISIJ INTERNATIONAL, 2014, 54 (06) :1195-1203

[33]

Ogibayashi S., 1995, Taikabutsu Overseas, V15, P3

[34]

Pope S. B., 2000, Turbulent Flows, P358

[35] A Physical Model to Study the Effects of Nozzle Design on Dispersed Two-Phase Flows in a Slab Mold Casting Ultra-Low-Carbon Steels [J].

Salazar-Campoy, Maria M. ;

Morales, R. D. ;

Najera-Bastida, A. ;

Calderon-Ramos, Ismael ;

Cedillo-Hernandez, Valentin ;

Delgado-Pureco, J. C. .

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2018, 49 (02) :812-830

[36] Mechanism of alumina adhesion to continuous caster nozzle with reoxidation of molten steel [J].

Sasai, K ;

Mizukami, Y .

ISIJ INTERNATIONAL, 2001, 41 (11) :1331-1339

[37] Direct Measurement of Agglomeration Force Exerted between Alumina Particles in Molten Steel [J].

Sasai, Katsuhiro .

ISIJ INTERNATIONAL, 2014, 54 (12) :2780-2789

[38]

Sigworth G. K., 1974, Metal Science, V8, P298

[39]

Sun HP, 1998, HIGH TEMP MATER PROC, V17, P257

[40]

Tennekes H., 1972, 1 COURSE TURBULENCE, P27

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