Dispensing – Molten metal dispensing – Flow controllers or assists
Patent
1995-09-29
1997-10-28
Kastler, Scott
Dispensing
Molten metal dispensing
Flow controllers or assists
222607, B22D 4150
Patent
active
056814984
ABSTRACT:
Discharge nozzle (10) for a crystallizer for continuous casting of slabs, which is suitable to cooperate with means feeding molten steel and to discharge that molten steel into the crystallizer (41) and has its outlet (15) positioned below the meniscus (42) and includes a first intake chamber (13) defining a conduit having a dimension of its cross-section (S) and a nominal diameter (D), that first intake chamber (13) being associated at its lower end with a second expansion chamber (12), which has a nominal dimension of its through passage having a cross-section of at least 1.2 D by 1.2 D, the second expansion chamber (12) containing at a distance (23) of at least 0.3 D from the outlet of the first intake chamber (13) an energy absorbing baffle (14), the second expansion chamber (12) having a height (26) of at least 7.0 D and an outlet (15, 115, 215)) with a wide side (28; 2.times.128; 2.times.228) of at least 4.5 D and a narrow side (32) of at least 0.5 D, the second expansion chamber (12) having at its lower end a terminal segment (27, 127) of at least 1.0 D.
REFERENCES:
patent: 5205343 (1993-04-01), Strubel et al.
patent: 5314099 (1994-05-01), Butz e t al.
Kapaj Nuredin
Pavlicevic Milorad
Poloni Alfredo
Danieli & C. Officine Meccaniche SpA
Kastler Scott
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