Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Spinel micro-powder castable for steel ladle and method for preparing prefabricated part from the castable
The invention relates to the technical field of refractory materials, and provides a spinel micro-powder castable for a steel ladle and a method for preparing a prefabricated part from the castable. The spinel micro-powder castable for the steel ladle is prepared from the following components in parts by mass: 25-40 parts of tabular corundum particles, 15-25 parts of white corundum particles, 15-20 parts of fused magnesia-alumina spinel particles, 8-12 parts of white corundum fine powder, 6-10 parts of alpha-Al2O3 micro powder, 3-5 parts of sintered spinel micro powder, 6-7 parts of cement, 1-2 parts of steel fibers and 1-3 parts of additives. Through the sintered spinel micro powder, the castable is more compact, the porosity is reduced, the pore diameter is reduced, and meanwhile, the generation of calcium hexaluminate (CA6) is promoted, so that the matrix structure is optimized. The castable has high normal-temperature strength and high-temperature strength and excellent high-temperature breaking strength, slag corrosion resistance and thermal shock resistance, and the service life of a steel ladle material is effectively prolonged.
本发明涉及耐火材料技术领域。本发明提供了一种钢包用尖晶石微粉浇注料和由该浇注料制备预制件的方法，所述钢包用尖晶石微粉浇注料包含如下质量份的组分：板状刚玉颗粒25~40份、白刚玉颗粒15~25份、电熔镁铝尖晶石颗粒15~20份、白刚玉细粉8~12份、α‑AlO微粉6~10份、烧结尖晶石微粉3~5份、水泥6~7份、钢纤维1~2份、外加剂1~3份。本发明的烧结尖晶石微粉使浇注料更加致密，孔隙率降低，孔径减小，同时促进六铝酸钙（CA）的生成，使基质结构得到优化。该浇注料具有较高的常温强度、高温强度，具有优异的高温抗折强度、抗渣侵蚀性和抗热震性，有效提高了钢包材料的使用寿命。
Spinel micro-powder castable for steel ladle and method for preparing prefabricated part from the castable
The invention relates to the technical field of refractory materials, and provides a spinel micro-powder castable for a steel ladle and a method for preparing a prefabricated part from the castable. The spinel micro-powder castable for the steel ladle is prepared from the following components in parts by mass: 25-40 parts of tabular corundum particles, 15-25 parts of white corundum particles, 15-20 parts of fused magnesia-alumina spinel particles, 8-12 parts of white corundum fine powder, 6-10 parts of alpha-Al2O3 micro powder, 3-5 parts of sintered spinel micro powder, 6-7 parts of cement, 1-2 parts of steel fibers and 1-3 parts of additives. Through the sintered spinel micro powder, the castable is more compact, the porosity is reduced, the pore diameter is reduced, and meanwhile, the generation of calcium hexaluminate (CA6) is promoted, so that the matrix structure is optimized. The castable has high normal-temperature strength and high-temperature strength and excellent high-temperature breaking strength, slag corrosion resistance and thermal shock resistance, and the service life of a steel ladle material is effectively prolonged.
本发明涉及耐火材料技术领域。本发明提供了一种钢包用尖晶石微粉浇注料和由该浇注料制备预制件的方法，所述钢包用尖晶石微粉浇注料包含如下质量份的组分：板状刚玉颗粒25~40份、白刚玉颗粒15~25份、电熔镁铝尖晶石颗粒15~20份、白刚玉细粉8~12份、α‑AlO微粉6~10份、烧结尖晶石微粉3~5份、水泥6~7份、钢纤维1~2份、外加剂1~3份。本发明的烧结尖晶石微粉使浇注料更加致密，孔隙率降低，孔径减小，同时促进六铝酸钙（CA）的生成，使基质结构得到优化。该浇注料具有较高的常温强度、高温强度，具有优异的高温抗折强度、抗渣侵蚀性和抗热震性，有效提高了钢包材料的使用寿命。
Spinel micro-powder castable for steel ladle and method for preparing prefabricated part from the castable
一种钢包用尖晶石微粉浇注料和由该浇注料制备预制件的方法
GENG PENG (Autor:in) / WANG TUANSHOU (Autor:in) / REN LIN (Autor:in) / ZHAO XIANHUA (Autor:in) / ZHANG SHENG (Autor:in) / LI JIAN (Autor:in) / GAO MEI (Autor:in) / LIU MEIRONG (Autor:in)
22.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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