| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water-cooling apparatus of a long service life for an electric furnace combustion tower. <P>SOLUTION: In this water-cooling apparatus for the electric furnace combustion tower, a heat exchange passage 12 of repetitive meandering shape formed of a metal pipe for cooling water to flow through is disposed on the inner surface side of a base 11, and the surface of the heat exchange passage 12 is provided with a large number of metal protrusions 7A projected in an opposite direction to the base 11 side, at prescribed spaces. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
