Direct smelting vessel and cooler therefor
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United States of America Patent
Stats
-
Jul 17, 2012
Grant Date -
Feb 25, 2010
app pub date -
May 18, 2007
filing date -
May 18, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A direct smelting vessel and a hearth cooler element are disclosed. The vessel includes a refractory lined hearth. An inner surface of an upper part of the hearth extends upwardly and outwardly to side walls of the vessel. The upper part of the hearth incorporates a hearth cooler disposed outwardly behind the refractory lining of that part of the hearth and below the cooling panels on the side walls of the vessel. The hearth cooler comprises a plurality of cooler elements. Each cooler element has a hollow open-backed shell structure having base, top and side walls formed integrally in a cast structure and incorporating coolant flow passages.
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