Steel converter vessel tuyere block construction

Details Steel converter vessel tuyere block construction Steel converter vessel tuyere block construction

1977-02-10

1978-10-31

Lake, Roy

Metallurgical apparatus

Process

266224, 266270, 266 47, C21C 548

Patent

active

041230426

ABSTRACT:
A tuyere assembly for use in metallurgical vessels includes a tubular metallic tuyere housing which is cast in a book of refractory material. When the tuyere block is installed in a metallurgical vessel, a tuyere is inserted within the tubular tuyere housing and the space between the tuyere assembly and the housing sealed with a suitable refractory material. After a significant portion of the tuyere assembly has burned away during metallurgical operations, the tuyere may be withdrawn from the tuyere housing and a new tuyere substituted. Any refractory lining which has burned away in the vicinity of the new tuyere may be built up with a chemically bonded gunning mixture which sets to form a dense refractory material around the tuyere assembly.

REFERENCES:
patent: RE25528 (1964-03-01), Hall
patent: 405392 (1889-06-01), Bertrand
patent: 3330645 (1967-07-01), Moustier et al.
patent: 3397878 (1968-08-01), Holmes et al.
patent: 3829073 (1974-08-01), Courard
patent: 4007035 (1977-02-01), Smith
patent: 4023781 (1977-05-01), Fritz et al.

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