Claims
- 1. In a process for treating a bath of molten metal in a refractory-lined metallurgical furnace by introducing oxygen into said bath, the improvement comprising:
- controllably injecting liquid hydrocarbons through at least one single tube tuyere in said refractory lining located beneath the dynamic level of said bath, said tuyere being sufficiently spaced away from the source of said oxygen introduction to prevent free gaseous oxygen from contacting said hydrocarbons and said liquid hydrocarbons being injected in sufficient quantity so as to direct said hydrocarbons toward selected portions of said refractory lining and thereby to retard the wear of said selected portions.
- 2. The improvement recited in claim 1 wherein: said liquid hydrocarbons comprise fuel oil.
CROSS REFERENCE TO RELATED APPLICATIONS
This is a continuation-in-part of U.S. application Ser. No. 590,054, filed June 25, 1975 and now abandoned, which is a continuation of U.S. application Ser. No. 234,727, filed Mar. 15, 1972, now abandoned.
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2562813 |
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|
3206549 |
Knuppel et al. |
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3859078 |
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Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
590054 |
Jun 1975 |
|
Parent |
234727 |
Mar 1972 |
|