Tuyeres for a blast furnace

Details Tuyeres for a blast furnace Tuyeres for a blast furnace

1975-09-30

1977-08-23

Dost, Gerald A.

Metallurgical apparatus

Means for introducing fluent into vessel, e.g., tuyere

Having means preventing damage to introducing means, e.g.,...

C21B 716

Patent

active

040435423

ABSTRACT:
Tuyeres for a blast furnace are disclosed wherein a coating is formed on the inner and outer peripherential surfaces of the tuyere body by subjecting the surfaces to a calorizing treatment to diffuse a diffusion agent comprising a powdery mixture of alumina and aluminum at a treating temperature of about 800.degree. C. The tuyere body is shaped so as to form an inner jacket, and the walls of the tuyere body forming the inner jacket may also be subjected to a calorizing treatment.

REFERENCES:
patent: 1711603 (1929-05-01), Lay
patent: 3096160 (1963-07-01), Puyear
patent: 3345197 (1967-10-01), Martini et al.
patent: 3831918 (1974-08-01), Mori et al.
Metalcasting Dictionary, 1st edition, 1968, p. 34.

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