摘要 |
<p>PURPOSE: A device for switching a steel-tapping hole of electric furnace is provided to improve the safety of operator by preventing the deformation of a flap door and switching a steel-tapping hole without the interference of a steel-tapping hole. CONSTITUTION: A device for switching a steel-tapping hole of electric furnace comprises a flap door(7) and an adhering unit(19). The flap door is separated from the steel-tapping hole of electric furnace. The flap door circles using a circulating unit and switches the steel-tapping hole. According to the supply of the fluid, the adhering unit contacts the flap door to the steel-tapping hole. The flap door comprises an upper plate, a plurality of recessed holes and a rounded portion.</p> |