Metallurgical vessel, in particular an electric arc furnace

C - Chemistry – Metallurgy – 22 – B

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39/98

C22B 4/08 (2006.01) F27D 3/15 (2006.01)

Patent

CA 1228477

ABSTRACT OF THE DISCLOSURE: Electric arc furnace having a tapping hole in the bottom of the vessel or in the bottom of a part of the vessel, which projects in a bay window-like manner, and a closure arrangement for the tapping hole, compri- sing a closure plate which is movable from a closure posi- tion of closing the tapping hole from the outside into an open position of opening the tapping hole, by means of a first lever which is pivotally mounted to the outside of the vessel and which is pivotal by a drive means, whe- reby the closure plate is mounted to an arm which is con- nected rotatably to the first pivotal lever and which is guided by means of a second pivotal lever which at a spac- ing from the first lever on the one hand is pivotally con- nected to the outside of the vessel and on the other hand is connected rotatably to the arm.

461972

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