请问中频炉料石英砂配比和添加剂配方?谢谢!

2025-03-16 15:15:27
推荐回答(1个)
回答1:

砂粒配比:炉衬打结用的砂粒大致上有三个等级,粗砂粒(2~6)mm,熔点高,约占20%~25%。

炉衬材料;40-70目占25-30%,20-40目占20-30%,10-20目占25-30%,大于180粉占20-30%,【6-8目可添加10%】另加硼酸1.5-2%做粘结剂。 炉颈材料;20-40目占30%,40-70目占50%,粉料占 20%,外加水玻璃10%作粘结剂。

在炉衬中起骨架作用。粗砂粒比例过高会降低电炉的绕结性能和强度,适当提高粗砂粒比例有利于提高炉衬的耐急冷热性,减少产生裂纹的可能性。

扩展资料:

石英有较高的耐火性能,工业上将石英砂常分为:普通石英砂,精制石英砂,高纯石英砂,熔融石英砂及硅微粉等。

普通石英砂,即SiO2≥90—99%、 Fe2O3≤0.06—0.02%,耐火度1750℃,外观:部分大颗粒表面有黄皮包囊。普通石英砂一般是采用天然石英矿石,经破碎,水洗,烘干,二次筛选而成的一种水处理滤料;该滤料具有:无杂质,无棱角,密度大,机械强度高,载污能力线使用周期长的特点,是化学水处理的理想材料。

粒度范围5—220目,可按用户要求粒度生产。主要用途:冶金,墨碳化硅,玻璃及玻璃制品,搪瓷,铸钢,水过滤,泡花碱,化工,喷吵等行业。

参考资料来源:百度百科-石英砂

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