ESTRUTURA DE PASSAGEM DE OXIGENIO EM UM MUNHAO DE SUPORTE DE RECIPIENTE CONVERSOR DE ACO

ESTRUTURA DE PASSAGEM DE OXIGENIO EM UM MUNHAO DE SUPORTE DE RECIPIENTE CONVERSOR DE ACO

The structure of the oxygen passage in a supporting trunnion (41) of a steel converter vessel (1) comprises a hollow chamber (46) provided where a trunnion shaft (42) projects from a trunnion ring. In the hollow chamber (46) is inserted a hermetic manifold (47) to which a horizontal pipe (52) commun...

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Bibliographische Detailangaben
Hauptverfasser: HIRANO SHINGO, WADA KOJI, SADACHIKA MASARU, KAWACHI HIROAKI, WATARI SHUJI, YUKITO IO, SEKI MASAHIKO
Format: Patent
Sprache:por
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Zusammenfassung:The structure of the oxygen passage in a supporting trunnion (41) of a steel converter vessel (1) comprises a hollow chamber (46) provided where a trunnion shaft (42) projects from a trunnion ring. In the hollow chamber (46) is inserted a hermetic manifold (47) to which a horizontal pipe (52) communicating with a rotary joint (9) and a vertical pipe (53) communicating with an oxygen tuyere in the bottom of the converter vessel (1) are welded. Inside the manifold (47) there is fitted a communicating member (59) containing a bend-like passage through which the horizontal and vertical pipes (52, 53) communicate with each other. This structure of the oxygen passage prevents the danger of an oxygen-induced combustion.