Method for estimating geographical distribution of cohesive zone

Details Method for estimating geographical distribution of cohesive zone Method for estimating geographical distribution of cohesive zone

1981-01-09

1983-04-05

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

266 79, C21B 724

Patent

active

043789943

ABSTRACT:
A method for estimating the geographical distribution of a cohesive zone in a blast furnace which is intermittently charged with an iron ore material to produce molten iron substantially in a continuous manner is disclosed. The method comprises altering the whole or part of the composition of the charging iron ore material at a certain time point, measuring variations in the composition of produced molten iron ore slag over a given time period, and estimating the shape of the cohesive zone in the furnace on the basis of a pattern of variation of one selected component and the speed of gravitational descent of the charged material through the furnace.

REFERENCES:
patent: 2713124 (1955-07-01), Graham
patent: 3581070 (1968-11-01), Tsujihata et al.
patent: 3588067 (1969-08-01), Shimotsuma et al.
patent: 4122392 (1978-10-01), Takeuchi et al.
patent: 4197495 (1980-04-01), Matsui et al.

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