DEVICE FOR OPENING OR CLOSING OPENING, IN PARTICULAR BOTTOM OPENING OF MATERIAL BUNKER FOR FURNACE WITH THE BOTTOM OPENING LOCATED IN A LOWER PLACE

摘要

PURPOSE: A device for opening or closing a bottom opening of material bunker for furnace is provided to reduce the manufacturing cost and to safely opening/closing the opening by putting the material bunker near to entrance of the furnace i.e a bottom opening is installed in a lower place. CONSTITUTION: An opening/closing device opens or closes a bottom opening(11) of a material bunker installed on the upper side of an inlet of a furnace. The opening/closing device comprises a tilting disc(10) connected to a driving section. The tilting disc(10) is positioned vertically to pivoting shafts(13,14) of pivoting arms(15,16). The tilting disc is deflected along two pivoting arms which are pivotably installed around the pivoting shafts. The tilting disc(10) is extended in parallel to each other.