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轉爐用合成鎂白云石爐襯損毀機理的研究

  • 摘要: 本文通過對合成鎂白云石砂及其使用后爐襯的巖相(金監)定,論述了合成鎂白云石制品的巖相特征。并指出在使用中反應層形成一以方鎂石為主,以硅酸三鈣為膠結相的方鎂石密集層,是這種產品性能所以優良的主要根據。如果方鎂石密集層與爐渣中的Fe2O2不斷作用,則其體積大增,從而在反應層中就產生過大的應力,產生平行熱面的應力裂紋,進而造成層狀剝落,導致爐襯趨于損毀。文章還通過與日本產品的對比,找出差距。

     

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