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    • 5. 发明专利
    • REPAIR OF LINING REFRACTORY IN TORPEDO LADLE
    • JP2000212624A
    • 2000-08-02
    • JP1017599
    • 1999-01-19
    • KAWASAKI STEEL COKAWASAKI REFRACTORIES CO LTD
    • KIYOTA SADAKIMIKUMAGAI MASATOKAMO MOMOKIURUSHIYA AKITOSHITERAYAMA SATORUKOMATSUBARA NOBORU
    • C21C1/06F27D1/16
    • PROBLEM TO BE SOLVED: To extend the using term of a brick till being demolished and wasted by forming the contacting parts of new bricks at a poured molten iron padding portion with monolithic refractory in the longitudinal direction of a torpedo ladle as the structure of teeth of a comb. SOLUTION: This repairing method is the one, with which the worn bricks at the poured molten iron padding portion are replaced with the new brickes, and on the worn bricks except this padding portion, the monolithic refractory is lined to a desired thickness. The structure of the teeth of the comb means to form the state in which the bricks and monolithic refractory are mutually inserted in the plane view at the contacting parts. The bricks 6 at the padding portion whose thickness become thin by using, are demolished and removed and replaced with the new bricks. At this time, the contacting parts 8 with the monolithic refractory in the longitudinal direction of the torpedo ladle are laid with the new bricks so as to form the structure of the teeth of the comb. As for the worn bricks except the padding portion, a part thereof is replaced with anchor bricks 10 and the monolithic refractory is lined on this portion. The pulling-up at the contacting parts of the new bricks with the monolithic refractory is prevented and the wearing speeds at the contacting parts are reduced. The lining work of the monolithic refractory is executed with a wet-spraying or a pouring method.