Steelmaking lance with integral temperature probe
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United States of America Patent
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-
Jul 29, 2003
Grant Date -
N/A
app pub date -
Apr 5, 2002
filing date -
Oct 6, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention concerns a blowing lance and a procedure for the metallurgical treatment of molten steel in a converter with oxygen top blown over the molten steel. In order to monitor the treatment process the intention is for a temperature probe (21) to be integrated into the water-cooled lance head (2) behind the front end (11a) of the lance head and between the cooling chambers (5-10) formed in the lance head (2). The signal lines (26) of the temperature probe run through the lance body (1), more specifically, in a central protective pipe which has no fluid communication with the cooling medium or to the oxygen conducted by the lance.
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