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摘要

The invention relates to a method for the rearrangement of damaged cooling, especially in cast-iron cooling boxes (1) of a blast furnace. Grooves (2) for new cooling pipes (6) are made on the exterior surface of the boxes, the pipes (6) are installed in the grooves (2) with the aid of a suitable mix, and the cooling-water circulation is connected to pass via the new pipes (6).