Method of blowing smelting shaft furnaces and tuyeres used for s

Details Method of blowing smelting shaft furnaces and tuyeres used for s Method of blowing smelting shaft furnaces and tuyeres used for s

1976-08-06

1979-02-06

Lake, Roy

Metallurgical apparatus

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

Having means for simultaneously feeding diverse materials

266186, C21B 716, C21C 548

Patent

active

041380983

ABSTRACT:
In the blowing of smelting shaft furnaces tuyeres are used which are not water-cooled and which comprise three concentric conduits leading directly into the furnace, the central conduit receiving the hot blast, the intermediate conduit receiving an oxidizing gas which is not preheated and the outer conduit receiving a fluid or emulsion containing hydrocarbons.

REFERENCES:
patent: 936781 (1909-10-01), Kemp
patent: 3701517 (1972-10-01), Gray
patent: 3706549 (1972-12-01), Knuppel et al.
patent: 3794308 (1974-02-01), Ponghis et al.
patent: 3823931 (1974-07-01), Wells et al.
patent: 3844767 (1974-10-01), Rheinlander
patent: 3844768 (1974-10-01), Leroy et al.
patent: 3891429 (1975-06-01), Cox et al.
patent: 3897048 (1975-07-01), Pearce et al.
patent: 3917243 (1975-11-01), Borgnat et al.
patent: 4043541 (1977-08-01), Sprunck

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