| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an oxygen blowing device for an electric furnace capable of easily and excellently turning a turning arm, and smoothly performing the in/out action of a lance for blowing oxygen. SOLUTION: A based end part of a turning arm 4 is supported by a turning table 11 on a working floor in a horizontally turntable manner. A traveling wheel 12 to be rolled on the working floor and a geared motor 15 to drive the traveling wheel in the forward and reverse directions are provided on a tip part of the turning arm 4, and the turning arm 4 is horizontally turned by driving the traveling wheel 12. A lance 6 for blowing oxygen which is connected to the tip part of the turning arm 4 goes in/out an electric furnace 2 through link mechanisms 25, 26, 27, 28 in an interlocking manner with the horizontal turn of the turning arm 4.</p> |
