A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Corundum mullite and preparation method thereof
The invention provides corundum mullite and a preparation method thereof, and the preparation method comprises the following steps: S1, crushing a bauxite ore raw material or a waste aluminum-based refractory material raw material to obtain a coarse particle material and a fine particle material; s2, carrying out dry fine grinding on the coarse particles; s3, mixing the fine particle material, a catalytic active agent, a dispersion suspending agent, aluminum oxide fine powder and water, and performing wet fine grinding; wherein the mass percent of each component is as follows: 48%-72% of the fine particle material, 0.6%-1% of the catalytic active agent, 0.5%-1.5% of the dispersion suspending agent, 5%-20% of the aluminum oxide fine powder and 21%-35% of the water; s4, mixing and stirring the dry-process fine grinding powder and the wet-process fine grinding slurry; s5, carrying out mechanical pressing on the mixed material; and S6, sintering the semi-finished product to obtain corundum mullite. According to the corundum mullite obtained by the method, a mullite crystal phase is uniformly dispersed and firmly combined with a corundum crystal phase, the component uniformity is high, wet fine grinding slurry of a part of raw materials is used as a binding agent, the moisture content can be controlled, forming and sintering are facilitated, the efficiency is improved, and the energy consumption is reduced.
本发明提供一种刚玉莫来石及其制备方法，制备方法包括以下步骤：S1.将铝矾土矿原料或废弃铝基耐火材料原料破碎，得到粗颗粒料和细颗粒料；S2.将粗颗粒料干法细磨；S3.将细颗粒料、催化活性剂、分散悬浮剂、氧化铝细粉和水混合湿法细磨；其中，各组分的质量百分比为：细颗粒料为48%‑72%、催化活性剂为0.6%‑1%、分散悬浮剂为0.5%‑1.5%、氧化铝细粉为5%‑20%、水为21%‑35%；S4.将干法细磨粉与湿法细磨泥浆混合、搅拌；S5.将混合物料机压成型；S6.将半成品烧结，得到刚玉莫来石。该方法得到的刚玉莫来石中莫来石晶相分散均匀，与刚玉晶相结合牢固，成分均匀性高，将一部分原料的湿法细磨泥浆作为结合剂，可控制水分含量，有助于成型和烧成，提高效率，降低能耗。
Corundum mullite and preparation method thereof
The invention provides corundum mullite and a preparation method thereof, and the preparation method comprises the following steps: S1, crushing a bauxite ore raw material or a waste aluminum-based refractory material raw material to obtain a coarse particle material and a fine particle material; s2, carrying out dry fine grinding on the coarse particles; s3, mixing the fine particle material, a catalytic active agent, a dispersion suspending agent, aluminum oxide fine powder and water, and performing wet fine grinding; wherein the mass percent of each component is as follows: 48%-72% of the fine particle material, 0.6%-1% of the catalytic active agent, 0.5%-1.5% of the dispersion suspending agent, 5%-20% of the aluminum oxide fine powder and 21%-35% of the water; s4, mixing and stirring the dry-process fine grinding powder and the wet-process fine grinding slurry; s5, carrying out mechanical pressing on the mixed material; and S6, sintering the semi-finished product to obtain corundum mullite. According to the corundum mullite obtained by the method, a mullite crystal phase is uniformly dispersed and firmly combined with a corundum crystal phase, the component uniformity is high, wet fine grinding slurry of a part of raw materials is used as a binding agent, the moisture content can be controlled, forming and sintering are facilitated, the efficiency is improved, and the energy consumption is reduced.
本发明提供一种刚玉莫来石及其制备方法，制备方法包括以下步骤：S1.将铝矾土矿原料或废弃铝基耐火材料原料破碎，得到粗颗粒料和细颗粒料；S2.将粗颗粒料干法细磨；S3.将细颗粒料、催化活性剂、分散悬浮剂、氧化铝细粉和水混合湿法细磨；其中，各组分的质量百分比为：细颗粒料为48%‑72%、催化活性剂为0.6%‑1%、分散悬浮剂为0.5%‑1.5%、氧化铝细粉为5%‑20%、水为21%‑35%；S4.将干法细磨粉与湿法细磨泥浆混合、搅拌；S5.将混合物料机压成型；S6.将半成品烧结，得到刚玉莫来石。该方法得到的刚玉莫来石中莫来石晶相分散均匀，与刚玉晶相结合牢固，成分均匀性高，将一部分原料的湿法细磨泥浆作为结合剂，可控制水分含量，有助于成型和烧成，提高效率，降低能耗。
Corundum mullite and preparation method thereof
一种刚玉莫来石及其制备方法
ZHAO RAN (author) / TONG XIAOSONG (author) / ZHAO HUATANG (author) / WANG ZHENYOU (author) / LIANG WEIFENG (author) / LIU JINGXUAN (author) / YAN HAO (author) / ZHAO WEI (author) / LIU MEIRONG (author)
2023-10-03
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Mullite corundum zirconia refractory slab and preparation method thereof
| European Patent Office | 2020
Corundum mullite platinum crucible protection bushing and preparation method thereof
| European Patent Office | 2020
Corundum mullite non-stick aluminum castable and preparation method thereof
| European Patent Office | 2020
| European Patent Office | 2023