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Lightweight calcium hexaluminate-magnesium aluminate spinel refractory material and preparation method thereof
The invention discloses a lightweight calcium hexaluminate-magnesium aluminate spinel refractory material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: taking 18-29wt% of porous calcium hexaluminate-magnesium aluminate spinel ceramic material particles with the particle size of 3-5mm and the micro-nano aperture and 25-35wt% of porous calcium hexaluminate-magnesium aluminate spinel ceramic material particles with the particle size of 1-2.9 mm and the micro-nano aperture as aggregates; the preparation method comprises the following steps: by taking an aggregate as a matrix, 26-38wt% of micro-nano aperture porous calcium hexaluminate-magnesium aluminate spinel ceramic material fine powder with the particle size of less than 0.088 mm, 5-15wt% of aluminum oxide fine powder, 2-15wt% of light-burned magnesite fine powder and 5-15wt% of light-burned dolomite fine powder as the matrix, firstly putting the aggregate into a stirrer, adding a magnesium chloride solution accounting for 3-10wt% of the sum of the aggregate and the matrix, mixing, then adding the matrix, stirring, and uniformly mixing to obtain a mixture; and carrying out mechanical pressing, drying, neutralizing at 1450-1700 DEG C in a nitrogen atmosphere, carrying out heat preservation, and cooling to obtain the lightweight calcium hexaluminate-magnesium aluminate spinel refractory material.
本发明公开了一种轻量化六铝酸钙‑镁铝尖晶石耐火材料及其制备方法。其技术方案是：以18～29wt％的粒径为3～5mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料颗粒、25～35wt％的粒径为1～2.9mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料颗粒为骨料，26～38wt％的粒径小于0.088mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料细粉、5～15wt％的氧化铝细粉、2～15wt％的轻烧菱镁矿细粉和5～15wt％的轻烧白云石细粉为基质，先将骨料置于搅拌机中再外加骨料和基质之和3～10wt％的氯化镁溶液，混合，再加入基质，搅拌，机压成型，干燥，在氮气气氛中和1450～1700℃下保温，冷却，制得轻量化六铝酸钙‑镁铝尖晶石耐火材料。
Lightweight calcium hexaluminate-magnesium aluminate spinel refractory material and preparation method thereof
The invention discloses a lightweight calcium hexaluminate-magnesium aluminate spinel refractory material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: taking 18-29wt% of porous calcium hexaluminate-magnesium aluminate spinel ceramic material particles with the particle size of 3-5mm and the micro-nano aperture and 25-35wt% of porous calcium hexaluminate-magnesium aluminate spinel ceramic material particles with the particle size of 1-2.9 mm and the micro-nano aperture as aggregates; the preparation method comprises the following steps: by taking an aggregate as a matrix, 26-38wt% of micro-nano aperture porous calcium hexaluminate-magnesium aluminate spinel ceramic material fine powder with the particle size of less than 0.088 mm, 5-15wt% of aluminum oxide fine powder, 2-15wt% of light-burned magnesite fine powder and 5-15wt% of light-burned dolomite fine powder as the matrix, firstly putting the aggregate into a stirrer, adding a magnesium chloride solution accounting for 3-10wt% of the sum of the aggregate and the matrix, mixing, then adding the matrix, stirring, and uniformly mixing to obtain a mixture; and carrying out mechanical pressing, drying, neutralizing at 1450-1700 DEG C in a nitrogen atmosphere, carrying out heat preservation, and cooling to obtain the lightweight calcium hexaluminate-magnesium aluminate spinel refractory material.
本发明公开了一种轻量化六铝酸钙‑镁铝尖晶石耐火材料及其制备方法。其技术方案是：以18～29wt％的粒径为3～5mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料颗粒、25～35wt％的粒径为1～2.9mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料颗粒为骨料，26～38wt％的粒径小于0.088mm的微纳米孔径的多孔六铝酸钙‑镁铝尖晶石陶瓷材料细粉、5～15wt％的氧化铝细粉、2～15wt％的轻烧菱镁矿细粉和5～15wt％的轻烧白云石细粉为基质，先将骨料置于搅拌机中再外加骨料和基质之和3～10wt％的氯化镁溶液，混合，再加入基质，搅拌，机压成型，干燥，在氮气气氛中和1450～1700℃下保温，冷却，制得轻量化六铝酸钙‑镁铝尖晶石耐火材料。
Lightweight calcium hexaluminate-magnesium aluminate spinel refractory material and preparation method thereof
一种轻量化六铝酸钙-镁铝尖晶石耐火材料及其制备方法
XIE ZHENGYA (author) / ZHANG YUWEN (author) / YE SHUIXIN (author) / WU WENHE (author) / ZHU KAI (author) / LU XIONGGANG (author)
2024-01-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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