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The postmortem study of used refractory brick in EAF dust recovery kiln

The postmortem study of used refractory brick in EAF dust recovery kiln The aim of this study is to investigate the postmortem analysis of the used andalusite bricks in EAF dust recovery kiln. The bricks have been damaged by erosion and thermal spalling. Different samples are collected from reaction zone in the furnace and characterized by chemical (X-ray fluorescence, X-ray diffraction), physical (porosity, strength), and microstructural analyses (SEM equipped with EDS). It has been found that chloride, oxide, and sulfate phases in EAFD caused refractory erosion. Oxide phases are detected at the hot side of the bricks while chloride phases have detrimental effects on the cold side of the brick. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Australian Ceramic Society Springer Journals

The postmortem study of used refractory brick in EAF dust recovery kiln

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Australian Ceramic Society
Subject
Materials Science; Ceramics, Glass, Composites, Natural Materials; Materials Engineering; Inorganic Chemistry
ISSN
2510-1560
eISSN
2510-1579
DOI
10.1007/s41779-017-0109-8
Publisher site
See Article on Publisher Site

Abstract

The aim of this study is to investigate the postmortem analysis of the used andalusite bricks in EAF dust recovery kiln. The bricks have been damaged by erosion and thermal spalling. Different samples are collected from reaction zone in the furnace and characterized by chemical (X-ray fluorescence, X-ray diffraction), physical (porosity, strength), and microstructural analyses (SEM equipped with EDS). It has been found that chloride, oxide, and sulfate phases in EAFD caused refractory erosion. Oxide phases are detected at the hot side of the bricks while chloride phases have detrimental effects on the cold side of the brick.

Journal

Journal of the Australian Ceramic SocietySpringer Journals

Published: Jul 12, 2017

References