Journal
MATERIALS
Volume 14, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ma14010192
Keywords
ironmaking; blast furnace; cohesive zone; softening; numerical modelling; horizontal probe
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Funding
- AGH University of Science and Technology [16.16.110.663]
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This article discusses the importance of coke layers in blast furnace operation and the methods of identifying individual coke layers in the cohesive zone using numerical calculations and analytical geometry. By calculating the area of coke layers, the blast furnace operation can be quickly assessed subjectively by its crew.
Coke is the only batch component that does not soften in blast furnace thermal conditions. It is especially important at the temperatures of the cohesive zone forming because coke layers are the only gas-permeable charge. The aim of the work described in this article is the identification of individual coke layers situation in the cohesive zone. Numerical calculations of the cohesive zone situation are based on the horizontal below burden probe measures, however, coke layers are calculated using analytical geometry. The results can be presented as a bitmap; the individual and total area of the coke layers passing gases through the cohesive zone is also calculated. This form of results allows for subjective but quick assessment of the blast furnace operation by its crew.
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