A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Two-step calcination method for preparing periclase-forsterite complex-phase refractory raw material
The invention discloses a method for preparing a periclase-forsterite complex-phase refractory raw material by a two-step calcination method. The periclase-forsterite complex-phase refractory raw material is prepared by sequentially carrying out pretreatment, light burning, ball pressing and re-burning on a magnesite raw material and directly sintering; the magnesite raw material is high-silicon magnesite or reverse flotation magnesite tailings; the pretreatment comprises the steps of drying and crushing high-silicon magnesite or reverse flotation magnesite tailings. The periclase-forsterite complex-phase refractory raw material is prepared by using solid high-silicon magnesite and reverse flotation magnesite tailings as raw materials through a two-step calcination method, so that the utilization rate of magnesite resources is increased, and the complex-phase refractory raw material with excellent performance, which has the grain size of greater than 50 microns and the volume density of greater than 2.8 g/cm < 3 >, is obtained; the complete preparation process for preparing the periclase-forsterite multiphase refractory material from the high-silicon magnesite or reverse flotation magnesite tailings is formed, and green and intelligent new upgrading of the refractory material industry is promoted.
本发明公开了二步煅烧法制备方镁石‑镁橄榄石复相耐火原料，菱镁矿原料依次通过预处理、轻烧、压球和重烧，直接烧结制得方镁石‑镁橄榄石复相耐火原料；菱镁矿原料为高硅菱镁矿或反浮选菱镁矿尾矿；预处理是将高硅菱镁矿或反浮选菱镁矿尾矿进行烘干和破碎工序。本发明通过利用作为固高硅菱镁矿和反浮选菱镁矿尾矿为原料，通过二步煅烧的方法制备方镁石‑镁橄榄石复相耐火原料，不仅提高了菱镁矿资源利用率，并且获得晶粒尺寸大于50μm、体积密度大于2.8g/cm3的性能优异的复相耐火原料，形成了一套完整的高硅菱镁矿或反浮选菱镁矿尾矿制备方镁石‑镁橄榄石复相耐火材料的制备工艺，促进了耐火材料行业的绿色智能新升级。
Two-step calcination method for preparing periclase-forsterite complex-phase refractory raw material
The invention discloses a method for preparing a periclase-forsterite complex-phase refractory raw material by a two-step calcination method. The periclase-forsterite complex-phase refractory raw material is prepared by sequentially carrying out pretreatment, light burning, ball pressing and re-burning on a magnesite raw material and directly sintering; the magnesite raw material is high-silicon magnesite or reverse flotation magnesite tailings; the pretreatment comprises the steps of drying and crushing high-silicon magnesite or reverse flotation magnesite tailings. The periclase-forsterite complex-phase refractory raw material is prepared by using solid high-silicon magnesite and reverse flotation magnesite tailings as raw materials through a two-step calcination method, so that the utilization rate of magnesite resources is increased, and the complex-phase refractory raw material with excellent performance, which has the grain size of greater than 50 microns and the volume density of greater than 2.8 g/cm < 3 >, is obtained; the complete preparation process for preparing the periclase-forsterite multiphase refractory material from the high-silicon magnesite or reverse flotation magnesite tailings is formed, and green and intelligent new upgrading of the refractory material industry is promoted.
本发明公开了二步煅烧法制备方镁石‑镁橄榄石复相耐火原料，菱镁矿原料依次通过预处理、轻烧、压球和重烧，直接烧结制得方镁石‑镁橄榄石复相耐火原料；菱镁矿原料为高硅菱镁矿或反浮选菱镁矿尾矿；预处理是将高硅菱镁矿或反浮选菱镁矿尾矿进行烘干和破碎工序。本发明通过利用作为固高硅菱镁矿和反浮选菱镁矿尾矿为原料，通过二步煅烧的方法制备方镁石‑镁橄榄石复相耐火原料，不仅提高了菱镁矿资源利用率，并且获得晶粒尺寸大于50μm、体积密度大于2.8g/cm3的性能优异的复相耐火原料，形成了一套完整的高硅菱镁矿或反浮选菱镁矿尾矿制备方镁石‑镁橄榄石复相耐火材料的制备工艺，促进了耐火材料行业的绿色智能新升级。
Two-step calcination method for preparing periclase-forsterite complex-phase refractory raw material
二步煅烧法制备方镁石-镁橄榄石复相耐火原料
LUO XUDONG (author) / WU SHENG (author) / ZHAO JINGMING (author)
2024-07-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Preparation method of periclase-forsterite complex-phase refractory raw material
| European Patent Office | 2024
Method for synthesizing periclase-forsterite refractory material at low temperature
| European Patent Office | 2024
| European Patent Office | 2024