Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method and application of high-volume-density tabular corundum
The invention relates to the technical field of chemical engineering, in particular to a preparation method and application of high-volume-density tabular corundum. The preparation method comprises the following steps: roasting high-quality aluminum oxide, and then carrying out heat preservation and rapid cooling to obtain a tabular corundum raw material with preset indexes; grinding the tabular corundum raw material to a preset particle size, and then molding to a preset moisture content and preset strength to obtain tabular corundum balls; and drying the tabular corundum balls to a preset final moisture content, and then carrying out sintering and crystal form conversion to obtain the high-volume-density tabular corundum, wherein the high-quality aluminum oxide is an aluminum oxide product with the purity of 99.9% or above; the volume density of the tabular corundum product can be effectively improved through a series of measures of preferably selecting different raw materials, finely controlling the grinding granularity, improving the balling uniformity, optimizing various parameters of vertical furnace calcination, stabilizing the thermal field of the vertical furnace and the like.
本申请涉及化工技术领域，尤其涉及一种高体积密度板状刚玉的制备方法及应用；所述制备方法包括：对高品氧化铝进行焙烧，后进行保温并快速冷却，得到预设指标的板状刚玉原料；对所述板状刚玉原料进行粉磨至预设粒径，后进行成型至预设水分含量和预设强度，得到板状刚玉球料；对所述板状刚玉球料进行烘干至预设终点水分含量，后进行烧结和晶型转化，得到高体积密度的板状刚玉；其中，所述高品质氧化铝为纯度在99.9％以上的氧化铝产品；通过优选不同原料、粉磨粒度细化控制、提升成球均匀性、优化立炉煅烧各参数、稳定立炉热场等系列措施，可以有效提高板状刚玉产品的体积密度。
Preparation method and application of high-volume-density tabular corundum
The invention relates to the technical field of chemical engineering, in particular to a preparation method and application of high-volume-density tabular corundum. The preparation method comprises the following steps: roasting high-quality aluminum oxide, and then carrying out heat preservation and rapid cooling to obtain a tabular corundum raw material with preset indexes; grinding the tabular corundum raw material to a preset particle size, and then molding to a preset moisture content and preset strength to obtain tabular corundum balls; and drying the tabular corundum balls to a preset final moisture content, and then carrying out sintering and crystal form conversion to obtain the high-volume-density tabular corundum, wherein the high-quality aluminum oxide is an aluminum oxide product with the purity of 99.9% or above; the volume density of the tabular corundum product can be effectively improved through a series of measures of preferably selecting different raw materials, finely controlling the grinding granularity, improving the balling uniformity, optimizing various parameters of vertical furnace calcination, stabilizing the thermal field of the vertical furnace and the like.
本申请涉及化工技术领域，尤其涉及一种高体积密度板状刚玉的制备方法及应用；所述制备方法包括：对高品氧化铝进行焙烧，后进行保温并快速冷却，得到预设指标的板状刚玉原料；对所述板状刚玉原料进行粉磨至预设粒径，后进行成型至预设水分含量和预设强度，得到板状刚玉球料；对所述板状刚玉球料进行烘干至预设终点水分含量，后进行烧结和晶型转化，得到高体积密度的板状刚玉；其中，所述高品质氧化铝为纯度在99.9％以上的氧化铝产品；通过优选不同原料、粉磨粒度细化控制、提升成球均匀性、优化立炉煅烧各参数、稳定立炉热场等系列措施，可以有效提高板状刚玉产品的体积密度。
Preparation method and application of high-volume-density tabular corundum
一种高体积密度板状刚玉的制备方法及应用
WANG LEI (Autor:in) / ZHANG JIAN (Autor:in) / ZHANG CHAO (Autor:in) / XU MIN (Autor:in) / ZHANG LIANTAO (Autor:in) / JIA TAO (Autor:in) / HU XUDONG (Autor:in) / HU XIANGJUN (Autor:in) / LIU JING (Autor:in)
12.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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