Tap spout for metallurgical vessels and method of repairing

Details Tap spout for metallurgical vessels and method of repairing Tap spout for metallurgical vessels and method of repairing

1989-12-26

1991-01-15

Andrews, Melvyn J.

Metallurgical apparatus

Process

266 45, 266195, 266236, 266272, 266281, 264 30, 222604, F27D 116

Patent

active

049847694

ABSTRACT:
A tap spout, particularly for allowing molten metal to be discharged from oxygen-steel converters, includes a replaceable unit including a tubular wear lining and a jointing layer secured thereto. An inner lining of the tap spout may thus be repaired with relatively simple maintenance work by removing the inner lining and subsequently inserting the replaceable unit into an outer lining of the tap spout to form a new inner lining of the tap spout. The replaceable unit is adapted to facilitate either a press fit, and in particular, a fit ensured by axial compression of the jointing layer, or an expansion fit with the outer lining to secure the replaceable unit therein.

REFERENCES:
patent: 3463475 (1969-08-01), Buchholz
patent: 4427184 (1984-01-01), Steinwider et al.

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