1)  Magnesia-calcia bricks
镁钙砖
2)  magnesia brick rich in CaO
镁钙砖
3)  unfired magnesia-calcium brick
不烧镁钙砖
1.
The unfired magnesia-calcium brick has been developed and used in 90t LF refining furnace in centain steelplant.
以合成镁钙砂、电熔镁砂为原料,以无水树脂做结合剂,添加适量的添加剂,研制出了LF精炼炉用不烧镁钙砖
4)  MgO-CaO brick with high CaO content
高钙镁钙砖
5)  fired magnesia-calcium brick
烧成镁钙砖
1.
The production and application status of magnesite-dolomite refractories such as fired magnesia-calcium brick,unburned magnesia-calcium(carbon) brick and Mg-Ca coating mixture for tundish etc are introduced and it is pointed out that magnesite-dolomite refractories should be developed on high CaO content,high grade,seriation and non-shaped refractories in the near future.
介绍了我国烧成镁钙砖、不烧镁钙(碳)砖和镁钙质中间包涂料等镁钙质耐火材料的生产和使用现状,指出今后我国的镁钙质耐火材料应向高CaO含量、高档次、系列化和不定形方向发展。
6)  Magnesia-Calcia Lining
镁钙炉衬
参考词条
补充资料:镁钙砖
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CAS号:

性质:又称高钙镁砖。以方镁石为主晶相,以硅酸三钙为次晶相的镁质耐火材料。含MgO80%~87%,CaO6%~9%,CaO/SiO2比在 2.2~3.0之间。其显显结构特征为方镁石与硅酸二钙及硅酸三钙直接接触,低共熔物(4CaO·Al2O3·Fe2O3成细脉状填充于硅酸二钙和硅酸三钙的晶隙间。气孔率低。荷重软化开始温度一般高于1700℃,抗碱性渣性能良好。但抗热震性较差。以钙镁砂为原料,经粉碎、配料、混炼、成型后,在1550~1600℃高温下烧成。可用于炼钢侧吹转炉风眼处、平炉炉顶和吹氧转炉上等处。

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