He Qinglin
,
Evans Geoff
,
Zulli Paul
,
Tanzil Francis
… Blast gas discharge from the taphole in the course of the blast furnace hearth drainage was experimentally studied using a packed bed cold model. … Under certain conditions, the gas-liquid interface in the region directly above the taphole becomes unstable, leading to viscous finger formation and subsequently early blast gas discharge from the taphole. …
ISIJ International 52(5), 774-778, 2012
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