| 摘要 |
Melting furnace, especially an arc melting furnace, in which the furnace wall contains at least one water cooling box welded of steel plate and disposed above the melt level, whose surface facing the furnace interior is provided with projections which facilitate the adhesion of a refractory protective layer formed on this surface, wherein the wall of the water cooling box, which faces the furnace interior, has a thickness of at least 15 mm, the projections are formed of profile irons, and a refractory composition applied beforehand serves as the refractory protective layer.
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