| 摘要 |
<p>1498834 Electric arc furnaces ASEA AB 7 May 1975 [21 May 1974] 19116/75 Heading F4B [Also in Division H5] In a direct current arc furnace, use is made of the effect of current flowing through electrodes and the welt to direct the arc to a desired part of the furnace by mounting the furnace vessel 10 such that it is rotatable about a vertical axis, the arcing electrode being stationary and closer to the axis than a hearth electrode 4. For pouring of the finished metal and of slag, the vessel is provided with spouts 6, 7 and is tiltable about a horizontal axis. The arcing electrode can have a position such as 1 or 2 or 3 with corresponding arc directions 1, 2, 3.</p> |
