| 摘要 |
<p>PURPOSE: A door of an electric furnace is provided to prevent the reduction of coupling force due to thermal expansion because the cover plate has a curvature. CONSTITUTION: A door of an electric furnace comprises a rear plate(51) covering a door hole of the electric furnace, a front plate(52) positioned separate from the rear plate, a flow path part(53) built in between the rear plate and the front plate to form a flow path, a cover plate(54) attached to the ends of the rear and front plates, an inlet pipe(55) installed on the upper side of the cover plate and connected to the flow path, an outlet pipe(56) installed on the lower side of the cover plate and connected to the flow path, a water feed pipe(57), a drain pipe(58) and a circulation tank(59).</p> |
