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          鎂碳磚系列

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          鎂碳磚系列

          • 所屬分類:定型耐火制品

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          • 發布日期:2020/09/04
          • 在線詢價
          • 詳細介紹

          大石橋鎂碳磚



          鎂碳磚系列

          * 鎂碳磚

          鎂碳磚采用電熔鎂砂(燒結鎂砂)和結晶完全的石墨為原料,以酚醛樹脂作為結合劑,經過加壓和熱處理而成。因為它具有熱震穩定性好、耐剝落、耐侵蝕的特性,所以被廣泛應用于煉鋼轉爐、電爐、鋼包精煉爐等冶金工業窯爐。鎂碳磚在高溫下使用時,會形成穩定的分子結構。氧化鎂和碳互不相溶的特點使材料本身的耐火性能得以有效的保留,碳的熱傳導性好,熱膨脹系數和彈性系數都較低,能有效的防止高溫剝落和渣滲透,使其在使用過程中不容易發生結構剝落,碳對爐渣有不潤濕的特性,因而強化了鎂碳磚耐侵蝕的性能。


          * 鎂鈣碳磚

          鎂鈣碳磚是以優質鎂砂、鎂白云石砂和石墨為原料,以無水樹脂做結合劑,在特殊工藝條件下制成。產品抗爐渣侵蝕性好,耐剝落性能和抗熱震性能優異,可以凈化鋼水,特別是在真空條件下,顯示出極佳的穩定性。廣泛應用于生產簾線鋼的鋼包包壁、生產不銹鋼的精煉鋼包襯、生產不銹鋼的GOR轉爐爐底、脫硅轉爐或脫磷轉爐鋼水的周轉鋼包包襯,以及高溫真空精煉操作的VOD包壁和包底等。


          * 鋁鎂碳磚

          鋁鎂碳磚是以剛玉、高鋁礬土和優質電熔鎂砂、高純鎂砂以及石墨為主要原料制成的耐火制品。其特征是在高溫下除了因含碳具有耐侵蝕性和不易剝落的優點外,還具有因使用時受熱生成尖晶石而顯示出高的殘余線膨脹率的優點,因而成為新發展的優質襯磚,廣泛應用于使用條件苛刻的盛鋼桶內襯、普通鋼包襯和爐外精煉爐襯等。


          * 鎂鋁碳磚

          鎂鋁碳磚的性能介于鎂碳磚和鋁鎂磚之間,可用于鋼包渣線和包壁之間的過渡區,也可用于鋼包包壁部位等。



          Magnesia carbon brick series


          * magnesia carbon bricks

            Magnesia carbon brick is made of fused magnesia(sintered magnesia) and crystallized graphite,and phenolic resin is used as binder.Because of its good thermal shock stability,peeling resistance and erosion resistance,it is widely used in steel-making converter,electric furnace,ladle refining furnace and other metallurgical industrial furnaces. When MgO-C brick is used at high temperature,stable molecular structure will be formed.The refractory performance of the material itself is effectively preserved due to the fact that magnesium oxide and carbon are not mutually soluble.The thermal conductivity of carbon is good,the coefficient of thermal expansion and the coefficient of elasticity are low,which can effectively prevent high-temperature peeling and slag penetration,so that it is not easy to occur structural peeling in the use process.Carbon has the characteristics of non wetting slag,thus strengthening the corrosion resistance of magnesia carbon brick.


          * Magnesia calcium carbon brick

            Magnesia-calcium carbon brick is made of high-quality magnesia,magnesia dolomite sand and graphite,using anhydrous resin as the binder,and made under special process conditions.The product has good resistance to slag erosion,excellent spalling resistance and thermal shock resistance.It can purify molten steel,especially under vacuum conditions,and shows excellent stability. Widely used in the production of ladle walls for cord steel,refined steel cladding for stainless steel,bottom of GOR converters for stainless steel production,circulating ladle linings for molten steel in desilication converters and dephosphorization converters,and VOD cladding for high temperature vacuum refining And the bottom of the bag.


          * alumina-magnesia-carbon brick

            Alumina magnesia carbon brick is a refractory product made of corundum,bauxite,high-quality fused magnesia,high-purity magnesia and graphite.It is characterized by the advantages of corrosion resistance and not easy to peel off due to the carbon content at high temperature,as well as the advantages of high residual linear expansion rate due to the formation of spinel by heating during use.Therefore,it has become a newly developed high-quality lining brick,which is widely used in the lining of adle,ordinary ladle and refining furnace outside the furnace under harsh service conditions.



          * Magnesium-aluminum-carbon brick

            The properties of Mg-Al-C bricks are between Mg-C bricks and Al-Mg bricks,which can be used in the transition zone between the ladle slag line and the cladding wall,as well as the ladle cladding wall area.




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          關鍵詞:營口耐火材料,大石橋耐火材料,大石橋鎂碳磚

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