Blow pipe and gas lance for blast furance
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United States of America Patent
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-
Aug 13, 1996
Grant Date -
N/A
app pub date -
Jul 31, 1995
filing date -
Jul 31, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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