SUBMERSIBLE NOZZLE FOR CABLE WITH FIBRE-OPTIC CORE Russian patent published in 2020 - IPC G01K1/16 G01J5/02 

FIELD: measurement technology.

SUBSTANCE: disclosed group of inventions relates to means for feeding cable with fibre-optic core into molten metal bath and immersion system and immersion nozzle for method implementation. Submerged nozzle (1) for feeding cable (6) with fibre-optic core into bath (11) of molten metal in direction of immersion into metal bath (11) comprises nozzle body (15), multiple idle correct nozzle devices (13) inside housing (15) and surrounded by housing (15) carrying tube (17) for guiding cable (6) with fibre-optic core, wherein purge gas inlet (7) provides purging gas supply into annular space (16) outside of bearing tube (17) and inside housing (15), wherein separating partition (18) separates plurality of idle right nozzle devices (13) from annular space (16). Dipping system for feeding cable (6) with fibre-optic core into bath (11) of molten metal comprises feed and straightening device (4) and submersible nozzle (1), wherein supply and straightening device (4) comprises plurality of rollers (20, 21) for feeding cable (6) with fibre-optic core in direction of metal supply into bath (11), as well as first straightening of cable (6) with fibre-optic core.

EFFECT: this group of inventions makes it possible to efficiently measure temperature in bath with molten metal.

9 cl, 8 dwg