

Author: Pehlke Robert D. Henning Gary S.
Publisher: Maney Publishing
ISSN: 0008-4433
Source: Canadian Metallurgical Quarterly, Vol.15, Iss.1, 1976-01, pp. : 83-89
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Abstract
Heat flow and temperature distribution in iron blast furnace hearths has been investigated using a digital computer implemented simulation. Furnace hearths, with and without underhearth cooling, have been simulated to provide dynamic thermal response characteristics and to explore refractory material requirements for improved hearth design.A digital computer program utilizing numerical approximations to the heat flow equations in three dimensions (two dimensions with radial symmetry in the third) was used to calculate unsteady state heat transfer characteristics. Stave cooling, carbon and ceramic refractories, refractory thermal property variations, salamander formation, underhearth cooling systems, and other design and operating parameters were considered in evaluating the steady and unsteady state temperature distributions in blast furnace hearths.
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