FIELD: metallurgy.
SUBSTANCE: invention relates to ferrous metallurgy and can be used at out-furnace of metal working by gas in ladle. Facility contains multipart nested assembly, installed in brickwork ladle bottom, blowoff tuyer in conical metallic cartridge cases with gas-intake tube, installed under tuyer protecting tube, washer, reference ring and clutch, at that protecting tube is located in the bottom part nested block, and top part of outside surface of protecting tube and inner surface of nested block under the tuyer allows tapered part with identical taper, and reference ring allows in the center screw nest, into which it is screwed tubular adjusting screw.
EFFECT: usage of invention increases reliability during the process of services and protection against emergency drift of metal.
1 dwg, 1 ex
