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Magnesia carbon brick with good thermal shock resistance stability and preparation method thereof
The invention relates to the technical field of refractory materials, and particularly discloses a magnesia carbon brick with good thermal shock resistance stability, which is prepared from the following raw materials in parts by mass: 30 to 100 parts of fused magnesia, 10 to 50 parts of carbon source, 1 to 5 parts of metal aluminum powder, 1 to 5 parts of calcium hexaluminate, 1 to 5 parts of phenolic resin, 1 to 5 parts of vanadium diboride, 1 to 5 parts of steel fiber and 1 to 2 parts of steel particle. The invention also discloses a preparation method of the magnesia carbon brick with good thermal shock resistance stability, which comprises the following steps: mixing the fused magnesia, the carbon source, the metal aluminum powder and the calcium hexaluminate, stirring at 30-40 DEG C for 10-30 minutes, adding the phenolic resin, and continuously stirring to obtain a premix a; adding vanadium diboride, steel fibers and steel particles into the premix a, uniformly mixing, and stirring at 1-10 DEG C for 5-15 minutes to obtain a premix b; aging the premix b for 1-2 hours, carrying out pressure forming, curing at 120-180 DEG C for 10-20 hours, and carrying out heat treatment at 1350-1420 DEG C for 1-2 hours.
本发明涉及耐火材料技术领域，具体公开了一种抗热震稳定性好的镁碳砖，其原料按质量份包括：电熔镁砂30‑100份，碳源10‑50份，金属铝粉1‑5份，六铝酸钙1‑5份，酚醛树脂1‑5份，二硼化钒1‑5份，钢纤维1‑5份，钢粒1‑2份。本发明还公开了上述抗热震稳定性好的镁碳砖制备方法，包括：将电熔镁砂、碳源、金属铝粉、六铝酸钙混合，30‑40℃搅拌10‑30min，加入酚醛树脂继续搅拌得到预混料a；向预混料a中加入二硼化钒、钢纤维、钢粒混合均匀，1‑10℃搅拌5‑15min，得到预混料b；将预混料b困料1‑2h，加压成型，120‑180℃固化10‑20h，1350‑1420℃热处理1‑2h。
Magnesia carbon brick with good thermal shock resistance stability and preparation method thereof
The invention relates to the technical field of refractory materials, and particularly discloses a magnesia carbon brick with good thermal shock resistance stability, which is prepared from the following raw materials in parts by mass: 30 to 100 parts of fused magnesia, 10 to 50 parts of carbon source, 1 to 5 parts of metal aluminum powder, 1 to 5 parts of calcium hexaluminate, 1 to 5 parts of phenolic resin, 1 to 5 parts of vanadium diboride, 1 to 5 parts of steel fiber and 1 to 2 parts of steel particle. The invention also discloses a preparation method of the magnesia carbon brick with good thermal shock resistance stability, which comprises the following steps: mixing the fused magnesia, the carbon source, the metal aluminum powder and the calcium hexaluminate, stirring at 30-40 DEG C for 10-30 minutes, adding the phenolic resin, and continuously stirring to obtain a premix a; adding vanadium diboride, steel fibers and steel particles into the premix a, uniformly mixing, and stirring at 1-10 DEG C for 5-15 minutes to obtain a premix b; aging the premix b for 1-2 hours, carrying out pressure forming, curing at 120-180 DEG C for 10-20 hours, and carrying out heat treatment at 1350-1420 DEG C for 1-2 hours.
本发明涉及耐火材料技术领域，具体公开了一种抗热震稳定性好的镁碳砖，其原料按质量份包括：电熔镁砂30‑100份，碳源10‑50份，金属铝粉1‑5份，六铝酸钙1‑5份，酚醛树脂1‑5份，二硼化钒1‑5份，钢纤维1‑5份，钢粒1‑2份。本发明还公开了上述抗热震稳定性好的镁碳砖制备方法，包括：将电熔镁砂、碳源、金属铝粉、六铝酸钙混合，30‑40℃搅拌10‑30min，加入酚醛树脂继续搅拌得到预混料a；向预混料a中加入二硼化钒、钢纤维、钢粒混合均匀，1‑10℃搅拌5‑15min，得到预混料b；将预混料b困料1‑2h，加压成型，120‑180℃固化10‑20h，1350‑1420℃热处理1‑2h。
Magnesia carbon brick with good thermal shock resistance stability and preparation method thereof
一种抗热震稳定性好的镁碳砖及其制备方法
ZHANG GUOHUA (author) / ZHUANG ZHIGANG (author) / ZHUANG HONGLIANG (author) / ZHUANG JUNYING (author)
2024-08-16
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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