Stopper for a tap hole of a steel converter and method of operat

Details Stopper for a tap hole of a steel converter and method of operat Stopper for a tap hole of a steel converter and method of operat

1987-09-08

1989-05-02

Kastler, Scott

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

222597, C21C 528

Patent

active

048261394

ABSTRACT:
A stopper for a tap hole of a steel converter has a plug which can at least partly be fitted into the tap hole, and holding means for holding the plug in place in the tap hole. To avoid entry of slag into the tap hole, even on initial tipping, the plug is substantially cylindrical in shape and can be moved along the whole length of the tap hole. The holding means are adapted to lose their holding action when the stopper is subjected to the heat of the molten steel upon tipping of the converter.

REFERENCES:
patent: 4010936 (1977-03-01), Takashima
patent: 4399986 (1983-08-01), Collins
patent: 4471950 (1984-09-01), LaBate

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