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镁碳砖系列

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镁碳砖系列

  • 所属分类:定型耐火制品

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  • 发布日期:2020/09/04
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  • 详细介绍

大石桥镁碳砖



镁碳砖系列

* 镁碳砖

镁碳砖采用电熔镁砂(烧结镁砂)和结晶完全的石墨为原料,以酚醛树脂作为结合剂,经过加压和热处理而成。因为它具有热震稳定性好、耐剥落、耐侵蚀的特性,所以被广泛应用于炼钢转炉、电炉、钢包精炼炉等冶金工业窑炉。镁碳砖在高温下使用时,会形成稳定的分子结构。氧化镁和碳互不相溶的特点使材料本身的耐火性能得以有效的保留,碳的热传导性好,热膨胀系数和弹性系数都较低,能有效的防止高温剥落和渣渗透,使其在使用过程中不容易发生结构剥落,碳对炉渣有不润湿的特性,因而强化了镁碳砖耐侵蚀的性能。


* 镁钙碳砖

镁钙碳砖是以优质镁砂、镁白云石砂和石墨为原料,以无水树脂做结合剂,在特殊工艺条件下制成。产品抗炉渣侵蚀性好,耐剥落性能和抗热震性能优异,可以净化钢水,特别是在真空条件下,显示出极佳的稳定性。广泛应用于生产帘线钢的钢包包壁、生产不锈钢的精炼钢包衬、生产不锈钢的GOR转炉炉底、脱硅转炉或脱磷转炉钢水的周转钢包包衬,以及高温真空精炼操作的VOD包壁和包底等。


* 铝镁碳砖

铝镁碳砖是以刚玉、高铝矾土和优质电熔镁砂、高纯镁砂以及石墨为主要原料制成的耐火制品。其特征是在高温下除了因含碳具有耐侵蚀性和不易剥落的优点外,还具有因使用时受热生成尖晶石而显示出高的残余线膨胀率的优点,因而成为新发展的优质衬砖,广泛应用于使用条件苛刻的盛钢桶内衬、普通钢包衬和炉外精炼炉衬等。


* 镁铝碳砖

镁铝碳砖的性能介于镁碳砖和铝镁砖之间,可用于钢包渣线和包壁之间的过渡区,也可用于钢包包壁部位等。



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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关键词:营口耐火材料,大石桥耐火材料,大石桥镁碳砖

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