FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy and can be used for opening and closing outlet hole of metallurgical melting vessel. In an electric arc furnace, in bottom region of which there is a wall portion with an opening, and a hole located device for moving blocking elements in a direction which is perpendicular to normal to wall surface portion in region of opening, device holds locking elements on wall portion in such a way that they fit snugly to wall portion. In order to close outlet device under hole locking member is shifted, which has no through holes, and in order to open outlet device under hole, locking member is shifted, which has at least one through-hole, so that liquid metal can flow from melting vessel through hole in locking member.
EFFECT: invention allows to reliably open and close outlet hole without wear.
3 cl, 4 dwg
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