Machine for boring a tap hole of a shaft furnace

Details Machine for boring a tap hole of a shaft furnace Machine for boring a tap hole of a shaft furnace

1992-10-30

1994-08-02

Kastler, Scott

Metallurgical apparatus

Process

Plugging or tapping

266271, 266272, C21B 712

Patent

active

053338391

ABSTRACT:
A machine for boring a tap hole of a shaft furnace is presented for use in conjunction with a lost-rod process. In this process, a metal rod is driven into a botting mass, before it has completely hardened, and is removed later for opening a tap hole. Driving-in of the rod is performed with the aid of a to-and-fro movement of a clamp which can move over a mount through action of a first jack. Removal is performed with the aid of a continuous reverse movement of the clamp through the action of the first jack and of a powerful drive means, for example a second jack, driving the first jack towards the rear of the mount.

REFERENCES:
patent: 4087083 (1978-05-01), Kozuka et al.
patent: 4602770 (1986-07-01), Mailliet et al.
patent: 5009398 (1991-04-01), Lonardi
patent: 5039068 (1991-04-01), Venturini et al.
patent: 5069430 (1991-12-01), Woodings et al.
patent: 5192489 (1993-03-01), Metz et al.

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