1984
DOI: 10.2355/tetsutohagane1955.70.16_2216
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Studies on Some Aspects of Deterioration of Coke in Blast Furnace

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Cited by 26 publications
(9 citation statements)
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“…It has not been shown that Ca-rich coke starts to react at a lower temperature range than conventional coke does when the mixture of Ca-rich coke and conventional coke are charged in a blast furnace. Although it is known that coke reactivity is promoted by condensed alkali vapor in an actual blast furnace, 21) there have been no studies on the behavior of Caloaded highly reactive coke in the presence of alkali and the interaction of the catalytic activity of Ca and alkali is unclear.…”
Section: Introductionmentioning
confidence: 99%
“…It has not been shown that Ca-rich coke starts to react at a lower temperature range than conventional coke does when the mixture of Ca-rich coke and conventional coke are charged in a blast furnace. Although it is known that coke reactivity is promoted by condensed alkali vapor in an actual blast furnace, 21) there have been no studies on the behavior of Caloaded highly reactive coke in the presence of alkali and the interaction of the catalytic activity of Ca and alkali is unclear.…”
Section: Introductionmentioning
confidence: 99%
“…It was reported that a sudden decrease of coke diameter was observed at the cohesive zone's temperature range (1 473 K-1 723 K), which was thought to be introduced the solution loss reaction as well as the some amount of volume breakage. 5) One of the possible reasons of the volume breakage is that coke particles undergo sudden impacts by collapsing into the voids below the coke layer which is introduced when ore particles disappear by melting.…”
Section: Introductionmentioning
confidence: 99%
“…10,11) On the other hand, it is necessary to prove that formed iron coke starts to react in a lower temperature range than conventional coke does in the BIS test in order to ascribe the decrease in the thermal reserve zone temperature to the decrease in the reaction beginning temperature of iron coke. Furthermore, since coke reactivity is promoted by condensed alkali vapor in an actual blast furnace, 12) it is necessary to prove that the use of formed iron coke can decrease the thermal reserve zone temperature in the presence of alkali.…”
Section: Introductionmentioning
confidence: 99%