Device for opening the taphole of a shaft furnace

Details Device for opening the taphole of a shaft furnace Device for opening the taphole of a shaft furnace

1990-01-09

1993-03-09

Swann, J. J.

Metallurgical apparatus

Means sealing or opening aperture in vessel

269234, 269254CS, 254 29R, E21B 1900

Patent

active

051924897

ABSTRACT:
A method for opening the taphole of a shaft furnace by withdrawing a rod, held in the hardened sealing compound of the taphole, includes engaging a coupling device onto the end of the rod, gripping the rod using a clamp longitudinally displaceable by a hydraulic jack, pulling out the rod by a length corresponding to the stroke of the jack and repeating this operation until the rod is completely withdrawn from the taphole.

REFERENCES:
patent: 2893275 (1959-07-01), Lindemann
patent: 4378186 (1983-03-01), Alexandre
patent: 4502665 (1985-03-01), Yoder
patent: 4602770 (1986-07-01), Mailliet et al.
patent: 4747581 (1988-05-01), Mailliet et al.
patent: 4842248 (1989-06-01), Shy
Chem. Tech. 10 Jg, Heft. 7, Jul. 1958 pp. 405-407.

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