A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace

G. X. Wang; B. Y. Pei; A. B. Yu; H. G. Du

A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace

G. X. Wang, B. Y. Pei, A. B. Yu, H. G. Du

Chemical & Biological Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

4 Citations (Scopus)

Abstract

A combined theoretical and experimental study has been conducted to better understand the alkali-erosion behaviour of silicon carbide refractory in blast furnace environment, which is important to blast furnace life extension. The erosion mechanism due to the interaction between molten alkali and silicon carbide refractory is first analysed thermodynamically, then studied by analysing the microscopic structure and resultant composition of the eroded refractory by means of scanning electron microscope (SEM) and X-ray diffraction (XRD) techniques. The results indicate that the alkali-erosion is mainly due to the formation of SiO₂, resulting from the oxidation of SiC, and then K₂SiO₃ and/or K₂O 2SiO₂ compound by the reaction with K_(1,g) on the working surface of the refractory lining.

Original language	English
Title of host publication	2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings
Publisher	Iron and Steel Society
Pages	1435-1441
Number of pages	7
ISBN (Electronic)	1886362254, 9781886362253
Publication status	Published - 1998
Event	International Congress on the Science and Technology of Ironmaking and Ironmaking 1998 - Toronto, Canada Duration: 22 Mar 1998 → 25 Mar 1998 Conference number: 2nd & 57th https://www.tib.eu/en/search/id/TIBKAT:248418378/2nd-International-Congress-on-the-Science-and-Technology/ (Website)

Conference

Conference	International Congress on the Science and Technology of Ironmaking and Ironmaking 1998
Country/Territory	Canada
City	Toronto
Period	22/03/98 → 25/03/98
Internet address	https://www.tib.eu/en/search/id/TIBKAT:248418378/2nd-International-Congress-on-the-Science-and-Technology/ (Website)

Cite this

@inproceedings{d78dfa679d3f4c62af1e622282a2f5fe,

title = "A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace",

abstract = "A combined theoretical and experimental study has been conducted to better understand the alkali-erosion behaviour of silicon carbide refractory in blast furnace environment, which is important to blast furnace life extension. The erosion mechanism due to the interaction between molten alkali and silicon carbide refractory is first analysed thermodynamically, then studied by analysing the microscopic structure and resultant composition of the eroded refractory by means of scanning electron microscope (SEM) and X-ray diffraction (XRD) techniques. The results indicate that the alkali-erosion is mainly due to the formation of SiO2, resulting from the oxidation of SiC, and then K2SiO3 and/or K2O 2SiO2 compound by the reaction with K(1,g) on the working surface of the refractory lining.",

author = "Wang, \{G. X.\} and Pei, \{B. Y.\} and Yu, \{A. B.\} and Du, \{H. G.\}",

note = "Publisher Copyright: {\textcopyright} 1998 2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings. All rights reserved.; International Congress on the Science and Technology of Ironmaking and Ironmaking 1998 ; Conference date: 22-03-1998 Through 25-03-1998",

year = "1998",

language = "English",

pages = "1435--1441",

booktitle = "2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings",

publisher = "Iron and Steel Society",

url = "https://www.tib.eu/en/search/id/TIBKAT:248418378/2nd-International-Congress-on-the-Science-and-Technology/",

}

Wang, GX, Pei, BY, Yu, AB & Du, HG 1998, A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace. in 2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings. Iron and Steel Society, pp. 1435-1441, International Congress on the Science and Technology of Ironmaking and Ironmaking 1998, Toronto, Ontario, Canada, 22/03/98.

A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace. / Wang, G. X.; Pei, B. Y.; Yu, A. B. et al.
2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings. Iron and Steel Society, 1998. p. 1435-1441.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

TY - GEN

T1 - A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace

AU - Wang, G. X.

AU - Pei, B. Y.

AU - Yu, A. B.

AU - Du, H. G.

N1 - Conference code: 2nd & 57th

PY - 1998

Y1 - 1998

N2 - A combined theoretical and experimental study has been conducted to better understand the alkali-erosion behaviour of silicon carbide refractory in blast furnace environment, which is important to blast furnace life extension. The erosion mechanism due to the interaction between molten alkali and silicon carbide refractory is first analysed thermodynamically, then studied by analysing the microscopic structure and resultant composition of the eroded refractory by means of scanning electron microscope (SEM) and X-ray diffraction (XRD) techniques. The results indicate that the alkali-erosion is mainly due to the formation of SiO2, resulting from the oxidation of SiC, and then K2SiO3 and/or K2O 2SiO2 compound by the reaction with K(1,g) on the working surface of the refractory lining.

AB - A combined theoretical and experimental study has been conducted to better understand the alkali-erosion behaviour of silicon carbide refractory in blast furnace environment, which is important to blast furnace life extension. The erosion mechanism due to the interaction between molten alkali and silicon carbide refractory is first analysed thermodynamically, then studied by analysing the microscopic structure and resultant composition of the eroded refractory by means of scanning electron microscope (SEM) and X-ray diffraction (XRD) techniques. The results indicate that the alkali-erosion is mainly due to the formation of SiO2, resulting from the oxidation of SiC, and then K2SiO3 and/or K2O 2SiO2 compound by the reaction with K(1,g) on the working surface of the refractory lining.

UR - http://www.scopus.com/inward/record.url?scp=4243317210&partnerID=8YFLogxK

M3 - Conference Paper

AN - SCOPUS:4243317210

SP - 1435

EP - 1441

BT - 2nd International Congress on the Science and Technology of Ironmaking and 57th Ironmaking Conference Proceedings

PB - Iron and Steel Society

T2 - International Congress on the Science and Technology of Ironmaking and Ironmaking 1998

Y2 - 22 March 1998 through 25 March 1998

ER -

A Study of Interaction between, Alkali Metals and SiC Refractory in the Blast Furnace

Abstract

Conference

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