杂质含量对硅砖高温性能的影响  

Effect of impurity content on high temperature properties of silicon brick

作　　者：李愿 贺粉霞 翟皖予 史改军 董宾宾 Li Yuan;He Fenxia;Zhai Wanyu;Shi Gaijun;Dong Binbin(Sinosteel Luonai Materials Technology Corporation,Luoyang 471039,China;Luoyang Institute of Science and Technology,Luoyang 471023,China)

机构地区：[1]中钢洛耐科技股份有限公司,洛阳471039 [2]洛阳理工学院,洛阳471023

出　　处：《耐火与石灰》2023年第4期11-14,17,共5页Refractories & Lime

摘　　要：硅砖中的杂质对其耐火度、荷重软化温度有一定影响,一定量的杂质能够促进石英进行晶型转化,有利于降低硅砖的真密度和热膨胀率。生产中要充分考虑各种杂质对产品不同性能的影响,科学控制Na_(2)O、K_(2)O和Al_(2)O_(3)等杂质含量,使产品的综合性能更好。The impurities in silica brick have a certain effect on it s refractoriness and refractoriness under load,a certain amount of impurities can promote the crystal transformation of quartz,which is beneficial to reduce the true density and thermal expansion coefficient of silica brick.The effects of various impurities on different properties of the product should be fully considered in the production,and the contents of impurities such as Na_(2)O,K_(2)O and Al_(2)O_(3) should be scientifically controlled so as to improve the comprehensive properties of the product.

关 键 词：硅砖 杂质 耐火度 荷重软化温度 真密度 热膨胀率 高温性能 

分 类 号：TQ175.711[化学工程—硅酸盐工业]