| 摘要 |
PURPOSE:To repair the walls of a blast furnace with high durability by reducing the charging materials in the blast furnace down to a level below the repairing part of the furnace wall, suspending a panel through the opening at the furnace top, tightening the same to protect the repairing part and packing shapeless refractories by pressure into the clearance formed by the repairing part and the panel. CONSTITUTION:Charging materials 1 in a blast furnace are reduced down to a level below the repairing part (a) of the furnace wall, and the blast furnace is blown down. A panel 9 which is manufactured beforehand is suspended through the opening 2 at the furnace top into the furnace to face the part (a), and the other ends of the chains 11 detained to the panel 9 are drawn to the outside of the furnace through the holes 16 opened in the furnace body. Then, supporting pipes 17 of the prescribed length covering the chains 11 are inserted onto the chains from the outside of the furnace and the chains 11 are tensed and detained at the rear ends thereof by which the panel 9 is fixed to the furnace body. Heat resistant and fire resistant packing materials 18 are forced in the clearance between the panel 9 and the part (a) through the pipes 17 and are allowed to solidify. |
