Blast furnace tuyere

Details Blast furnace tuyere Blast furnace tuyere

1976-07-27

1977-08-23

Dost, Gerald A.

Metallurgical apparatus

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

Having means for simultaneously feeding diverse materials

266186, C21B 716

Patent

active

040435415

ABSTRACT:
Blast furnace tuyere comprising three separate injection chambers, a first axial chamber for injecting hot blast, a second narrow annular chamber concentric therewith for injecting fuel oil and a third annular chamber concentric with the other two for injecting oxygen mixed with cold air. This tuyere dispenses with a water cooling circuit.

REFERENCES:
patent: 936781 (1909-10-01), Kemp
patent: 1073463 (1913-09-01), Banes
patent: 1393749 (1921-10-01), Carstens
patent: 3823012 (1974-07-01), Johnstone et al.

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