| 摘要 |
FIELD: heating, furnaces. ^ SUBSTANCE: invention relates to the heating furnaces equipment. A device comprises door, means of door raising and lowering and followers. The door is made in the form of a lined welded frame with two nozzles welded thereto. The nozzles allow the door to smoothly move with respect to the followers. The door lining projects from the welded frame surface and it is capable of forming a sealed "lock" upon closing the furnace door. The lining on the door back side has a double heat-insulating layer. The followers on the bottom lead-in side are made with a slope of 35°. ^ EFFECT: improving the reliability of the furnace sealing. ^ 2 cl, 2 dwg |
