Blow pipe and gas lance for blast furance

Details Blow pipe and gas lance for blast furance Blow pipe and gas lance for blast furance

1995-07-31

1996-08-13

Kastler, Scott

Metallurgical apparatus

Process

Tuyere operation

266182, 266225, C21B 716

Patent

active

055448682

ABSTRACT:
An improved fuel lance and blow pipe system for injecting supplemental fuel into a blast furnace includes a lance support on the blow pipe housing by use of a quick disconnect coupling for releasably coupling the lance to the blow pipe and accurately fix the lance to discharge supplemental fuel into the hot blast. The coupling can be manually operated to disconnect the lance, without use of tools, to permit the lance to be retracted for inspection or replacement, or to facilitate packing of the tuyeres directing the hot blast into the furnace.

REFERENCES:
patent: 3626501 (1971-12-01), Baird et al.
patent: 3758090 (1973-09-01), Shimotsuma et al.
patent: 4921532 (1990-05-01), Corbett et al.
patent: 5333840 (1994-08-01), Skold et al.
patent: 5411393 (1995-05-01), Askin et al.

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