| 摘要 |
An apparatus for inner block of heating furnace is provided to prevent lowering the furnace pressure of in falls to heating in case the extract door is opened and to prevent the inflow of the external air. An apparatus for inner block of heating furnace comprises as follows: cut-off means(40) cuts off the furnace pressure decline within the furnace(20) and external air inflow in case the extract door(4) is opened; a driving means is installed at the upper heating and provide the driving force for the cut off of the cut-off means; a base member ascend and descend in cut-off means while shuting the opening(20a) tightly and the driving means is connected to the top; one or more insulating member is installed at the lower part of the base member and is included a plurality of penetration holes is formed. |
