FIELD: manufacturing technology.
SUBSTANCE: invention relates to a gas-blowdown device for embedding in a metallurgical vessel. Device comprises a lower, gas-tight base portion in which a gas line extends from a first end in a region of a first base portion outer surface to a second end in a region of a second base portion outer surface, wherein the second end of the gas line is made as a first portion of the articulation, the second portion of the articulation is located in the region of the outer attachment surface of the functional portion, by which the functional portion adjoins the base portion, in functional part from second section of joint through functional part to at least one gas-free surface of functional portion made as surface of gas flow passes gas distributing device, base portion and functional portion are made from refractory ceramic material.
EFFECT: gas-blowdown device is proposed.
15 cl, 5 dwg
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