A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and preparation method thereof
The invention discloses a magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and a preparation method thereof. According to the preparation method, low-grade magnesium borate boron ore or tailings thereof, low-grade bauxite or bauxite tailings thereof and coke powder are used as main raw materials, carbon thermal reduction nitridation reaction is performed at an appropriate temperature according to requirements of needed refractory materials by virtue of component design, and the product is crushed and ground after cooling to obtain MgAl2O4-BN-Sialon multiphase refractory raw material powder. The magnesium-aluminum spinel-BN-Sialon prepared by the method provided by the invention mainly comprises the composition phases of beta-Sialon, Mg-Sialon, BN, MgAl2O4 (magnesium-rich or aluminum-rich magnesium-aluminum spinel) and a small amount of Al6O3N4, Fe3Si and the like; and the preparation method disclosed by the invention has the significant advantages of high solid waste resource utilization degree, low cost and low energy consumption.
Magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and preparation method thereof
The invention discloses a magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and a preparation method thereof. According to the preparation method, low-grade magnesium borate boron ore or tailings thereof, low-grade bauxite or bauxite tailings thereof and coke powder are used as main raw materials, carbon thermal reduction nitridation reaction is performed at an appropriate temperature according to requirements of needed refractory materials by virtue of component design, and the product is crushed and ground after cooling to obtain MgAl2O4-BN-Sialon multiphase refractory raw material powder. The magnesium-aluminum spinel-BN-Sialon prepared by the method provided by the invention mainly comprises the composition phases of beta-Sialon, Mg-Sialon, BN, MgAl2O4 (magnesium-rich or aluminum-rich magnesium-aluminum spinel) and a small amount of Al6O3N4, Fe3Si and the like; and the preparation method disclosed by the invention has the significant advantages of high solid waste resource utilization degree, low cost and low energy consumption.
Magnesium-aluminum spinel-BN-Sialon multiphase refractory raw material and preparation method thereof
HOU XIFENG (author) / HUANG JUNTONG (author) / WANG XIAOJUN (author) / ZHANG SHANGDUO (author) / CUI YINGWU (author)
2015-07-08
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2015
Magnesium aluminate spinel refractory material and preparation method thereof
| European Patent Office | 2021
Magnesium aluminate spinel refractory material and preparation method thereof
| European Patent Office | 2020
Calcium hexaluminate-magnesium aluminate spinel multiphase refractory material for glass kiln
| European Patent Office | 2021