F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 3/16 (2006.01) B22D 1/00 (2006.01) C21C 5/48 (2006.01) C22B 9/05 (2006.01)
Patent
CA 2064417
ABSTRACT A multifluid nozzle is described, which serves to blow gaseous fluids into metal-containing molten materials and which will effect a thorough and fast mixing of the fluids when they have left the nozzle and even when material of the nozzle has been consumed. A nozzle core (1) consists of a round- section solid rod, which is formed in its outside surface with helical grooves (2), which have a lead angle of 15 to 60 degrees relative to the nozzle axis. The nozzle core (1) is surrounded by one or more annu- lar nozzle tubes (3, 4), which have a smooth inside surface and are formed on their outside surface with grooves (5, 6). The outermost nozzle tube (4) is sur- rounded by an annular outer tube (7), which has a smooth inside surface.
Vydra Karel
Werner Dietrich
Metallgesellschaft Aktiengesellschaft
Robic
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