FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy. Upper shell of nozzle comprises a tubular member and a hollow base connected to the end of tubular member to form interior space with a casting channel to place body of nozzle therein. Base has bottom surface that mates with top part of tubular member, and two bearing areas formed by rod members and located on both sides of casting channel. In the base, on the side of bottom surface, on both sides of casting channel, ledges are provided, in which rod elements are placed. Perpendicular to ledges on bottom surface of the base, two additional ledges are placed on both sides of casting channel, in which additional rod members are placed. Rod members form a single closed structure.
EFFECT: uniform distribution of forces applied to ceramic plates of nozzle is ensured.
3 cl, 1 dwg
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