| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To propose a method which can repair the damaged part of a blast furnace body without causing a gap even if the shape of the inner surface of the steel shell in a blast furnace to be constructed is roughened. <P>SOLUTION: In the method for repairing the damaged part of a blast furnace body, when the level of a charge in the furnace is lowered to a position below the damaged part of the furnace body by the lebel-reduction and blast-control technique of the blast furnace, a damaged stave or the like present there is removed to make a state where the inner surface of the steel shell is exposed, a renewal stave is arranged, and repair is performed, a renewal stave unit obtained by beforehand lining a plastic refractory on the side facing the steel shell of the stave body is arranged at the damaged part of the blast furnace body, and the damaged part of the blast furnace body is repaired. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
