Method and apparatus for determining completion of a cast in bla

Details Method and apparatus for determining completion of a cast in bla Method and apparatus for determining completion of a cast in bla

1981-08-20

1982-10-19

Rutledge, L. Dewayne

Metallurgical apparatus

Process

Plugging or tapping

222590, 222591, 266 99, 266158, C21B 712, B22D 3900

Patent

active

043546684

ABSTRACT:
Method and apparatus for determining when the cast of a blast furnace is substantially completed in a blast furnace cast system wherein direct viewing of the taphole is obstructed during the cast. In a system wherein viewing of the taphole is obstructed by hood means covering the iron trough, substantial completion of the cast may be determined by sensing changes in ambient conditions, e.g., a change in temperature within the hood means, vibration of the hood, and/or a change in the color of the flame generated at the discharge end of a slag runner.

REFERENCES:
patent: 3994210 (1976-11-01), Davis
patent: 4019563 (1977-04-01), Bergman et al.
patent: 4245820 (1981-01-01), Muryn
Nicola, A. G., "Blast Furnace Cast House Emission Control", Iron and Steel Engineer, pp. 33-39, Aug. 1979.

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