Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Low-thermal-conductivity magnesium hercynite brick for cement kiln and preparation method thereof
The invention discloses a low thermal conductivity magnesium hercynite brick for a cement kiln and a preparation method thereof, and the low thermal conductivity magnesium hercynite brick comprises the following raw materials by weight: 50-60% of high iron magnesia; 20-25% of magnesite clinker; 5-10% of fused magnesium aluminate spinel; 10-20% of magnesium aluminate spinel hollow spheres; the high-iron magnesia, the sintered magnesia, the fused magnesia-alumina spinel and the magnesia-alumina spinel hollow spheres are creatively introduced, and a synergistic interaction effect can be generated by controlling the addition amount and the particle size of the substances, so that the microscopic structure in the refractory brick can be effectively improved, and the heat conductivity coefficient of the refractory brick is effectively reduced; and the normal-temperature compressive strength, the refractoriness under load and the thermal shock stability of the material are effectively improved.
本发明公开了一种水泥窑用低导热镁铁铝尖晶石砖及其制备方法，以重量百分比计，包括以下原料：高铁镁砂50‑60％；烧结镁砂20‑25％；电熔镁铝尖晶石5‑10％；镁铝尖晶石空心球10‑20％；结合剂3‑6％，创造性的引入高铁镁砂、烧结镁砂、电熔镁铝尖晶石和镁铝尖晶石空心球，通过控制这些物质的添加量和粒度大小，可以产生协同增效的作用，可以有效改善耐火砖内部的显微组织结构，有效降低了耐火砖的导热系数，并且还有效提高了其常温耐压强度、荷重软化温度和热震稳定性。
Low-thermal-conductivity magnesium hercynite brick for cement kiln and preparation method thereof
The invention discloses a low thermal conductivity magnesium hercynite brick for a cement kiln and a preparation method thereof, and the low thermal conductivity magnesium hercynite brick comprises the following raw materials by weight: 50-60% of high iron magnesia; 20-25% of magnesite clinker; 5-10% of fused magnesium aluminate spinel; 10-20% of magnesium aluminate spinel hollow spheres; the high-iron magnesia, the sintered magnesia, the fused magnesia-alumina spinel and the magnesia-alumina spinel hollow spheres are creatively introduced, and a synergistic interaction effect can be generated by controlling the addition amount and the particle size of the substances, so that the microscopic structure in the refractory brick can be effectively improved, and the heat conductivity coefficient of the refractory brick is effectively reduced; and the normal-temperature compressive strength, the refractoriness under load and the thermal shock stability of the material are effectively improved.
本发明公开了一种水泥窑用低导热镁铁铝尖晶石砖及其制备方法，以重量百分比计，包括以下原料：高铁镁砂50‑60％；烧结镁砂20‑25％；电熔镁铝尖晶石5‑10％；镁铝尖晶石空心球10‑20％；结合剂3‑6％，创造性的引入高铁镁砂、烧结镁砂、电熔镁铝尖晶石和镁铝尖晶石空心球，通过控制这些物质的添加量和粒度大小，可以产生协同增效的作用，可以有效改善耐火砖内部的显微组织结构，有效降低了耐火砖的导热系数，并且还有效提高了其常温耐压强度、荷重软化温度和热震稳定性。
Low-thermal-conductivity magnesium hercynite brick for cement kiln and preparation method thereof
一种水泥窑用低导热镁铁铝尖晶石砖及其制备方法
XIE HU (Autor:in) / LIU DESONG (Autor:in) / YANG ZHONGDE (Autor:in) / LI RENJUN (Autor:in) / ZHENG ZIXIAO (Autor:in) / LIN XINYUAN (Autor:in) / TIAN XIAOYAN (Autor:in) / HU FEI (Autor:in)
17.01.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Production method of low-thermal-conductivity magnesium hercynite brick for rotary cement kiln
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