Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alumina-based sintered corundum mullite and production and preparation method thereof
The invention discloses alumina-based sintered corundum mullite and a production and preparation method thereof, the alumina-based sintered corundum mullite adopts corundum phase and mullite as main crystalline phases, and comprises the following chemical components in percentage by mass: less than or equal to 87% of Al2O3, less than or equal to 1% of Fe2O3, less than or equal to 8% of SiO2, less than or equal to 2.2% of TiO2, less than or equal to 0.6% of CaO, less than or equal to 0.6% of MgO and less than or equal to 0.6% of Na2O, and the sum of the content percentages of the components is equal to 100%. The preparation method comprises the following steps: S1, material preparation: selecting high-quality alumina from the mined natural bauxite ore through the mined natural bauxite ore; according to the present invention, the design is reasonable, the natural bauxite raw material is adopted as the main raw material, the resource utilization rate is improved, the reasonable and efficient use of the bauxite ore is achieved, the production cost is low, the water absorption rate is low, the volume density is large, and the good wear resistance, the good erosion resistance and the good high-temperature mechanical property are provided.
本发明公开了一种矾土基烧结刚玉莫来石及其生产制备方法，其中的矾土基烧结刚玉莫来石，主晶相为刚玉相和莫来石，以质量百分比计其化学成分为：Al2O3≤87％，Fe2O3≤1％，SiO2≤8％，TiO2≤2.2％，CaO≤0.6％，MgO≤0.6％，Na2O≤0.6％，且上述各组分含量百分数之和等于100％，制备方法包括以下步骤：S1材料准备：通过该开采的天然铝矾土矿，从开采的天然铝矾土矿中选取优质矾土。本发明设计合理，以天然铝矾土生料为主要原料，提高资源利用率，实现了铝矾土矿的合理高效使用，生产成本低，且吸水率低、体积密度大，具有很好的耐磨、抗侵蚀和高温力学性能。
Alumina-based sintered corundum mullite and production and preparation method thereof
The invention discloses alumina-based sintered corundum mullite and a production and preparation method thereof, the alumina-based sintered corundum mullite adopts corundum phase and mullite as main crystalline phases, and comprises the following chemical components in percentage by mass: less than or equal to 87% of Al2O3, less than or equal to 1% of Fe2O3, less than or equal to 8% of SiO2, less than or equal to 2.2% of TiO2, less than or equal to 0.6% of CaO, less than or equal to 0.6% of MgO and less than or equal to 0.6% of Na2O, and the sum of the content percentages of the components is equal to 100%. The preparation method comprises the following steps: S1, material preparation: selecting high-quality alumina from the mined natural bauxite ore through the mined natural bauxite ore; according to the present invention, the design is reasonable, the natural bauxite raw material is adopted as the main raw material, the resource utilization rate is improved, the reasonable and efficient use of the bauxite ore is achieved, the production cost is low, the water absorption rate is low, the volume density is large, and the good wear resistance, the good erosion resistance and the good high-temperature mechanical property are provided.
本发明公开了一种矾土基烧结刚玉莫来石及其生产制备方法，其中的矾土基烧结刚玉莫来石，主晶相为刚玉相和莫来石，以质量百分比计其化学成分为：Al2O3≤87％，Fe2O3≤1％，SiO2≤8％，TiO2≤2.2％，CaO≤0.6％，MgO≤0.6％，Na2O≤0.6％，且上述各组分含量百分数之和等于100％，制备方法包括以下步骤：S1材料准备：通过该开采的天然铝矾土矿，从开采的天然铝矾土矿中选取优质矾土。本发明设计合理，以天然铝矾土生料为主要原料，提高资源利用率，实现了铝矾土矿的合理高效使用，生产成本低，且吸水率低、体积密度大，具有很好的耐磨、抗侵蚀和高温力学性能。
Alumina-based sintered corundum mullite and production and preparation method thereof
一种矾土基烧结刚玉莫来石及其生产制备方法
SHAN ZHILIN (Autor:in) / ZHANG MIAO (Autor:in) / SHAN GANG (Autor:in) / SHAN JIE (Autor:in) / SHAN WENCHUN (Autor:in) / WANG JIAOXIAN (Autor:in)
01.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2023
Composites of sintered mullite reinforced corundum granules and method for its preparation
| Europäisches Patentamt | 2021
Composites of sintered Mullite reinforced corundum granules and method for its preparation
| Europäisches Patentamt | 2017
Composites of sintered Mullite reinforced corundum granules and method for its preparation
| Europäisches Patentamt | 2018