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Processes 2016, 4(4), 36; doi:10.3390/pr4040036

A Review on the Dissection of Quenched Blast Furnaces—Spanning from the Early 1950s to the 1970s

1
Mine Management Division, Department of Mining & Mineral Resources, Chinalco China Copper Corporation Limited, Beijing 100082, China
2
Department of Mining and Materials Engineering, McGill University, Montreal, QC H3A 0C5, Canada
Academic Editor: Michael Henson
Received: 24 August 2016 / Revised: 19 September 2016 / Accepted: 20 September 2016 / Published: 10 October 2016
View Full-Text   |   Download PDF [1493 KB, uploaded 10 October 2016]   |  

Abstract

Since its invention until the 1950s, the iron blast furnace was viewed as a strange ‘black box’. Its operation was largely empirical and much of the information needed for monitoring and control of the process was yet to be known. More complete information was needed concerning the process such as the reduction of iron-bearing raw materials, the distribution of materials throughout the stack, the size, location, and structure of the fusion zone, and the transfer of silicon, sulfur, and carbon to the slag and metal. Hence, to obtain a better understanding of the blast furnace process, some iron-makers came up with the idea of quenching the contents of the furnace following normal operations. This was done in a neutral nitrogen atmosphere. The quenched contents were then sampled for analysis. Thus, this paper was written to discuss such works, spanning from the early 1950s to the 1970s. Care has been taken to include most of their findings and readers who have a fair amount of iron-making knowledge should be able to see and understand the in-furnace phenomena as the ‘black box’ unfolds itself. Most of the text will be focused on two important studies into the matter, the first being the U.S. Bureau of Mines case in 1959 and the next being the Iron and Steel Institute of Japan (ISIJ) studies in the 1970s. The contribution of these works to modern day blast furnace operation is also discussed in the paper. View Full-Text
Keywords: blast furnace; tuyere zone; hearth; burden behavior blast furnace; tuyere zone; hearth; burden behavior
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, W. A Review on the Dissection of Quenched Blast Furnaces—Spanning from the Early 1950s to the 1970s. Processes 2016, 4, 36.

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