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High-strength chromium-magnesium-free refractory ramming material and preparation method thereof
The invention relates to the technical field of refractory materials, in particular to a high-strength chromium-magnesium-free refractory ramming material and a preparation method thereof. The material comprises the following raw materials in parts by weight: 20-40 parts of high-purity magnesia particles; 6-9 parts of anhydrous magnesium sulfate; 4-8 parts of white corundum fine powder; 6-10 parts of zirconium oxide fiber; 2-4 parts of a complexing agent and a buffering agent; 3-6 parts of an adhesive; and 2-5 parts of an enhancer. The ramming material does not contain chromium, so that harm to a human body and the environment is avoided; the zirconium oxide enables the thermal chemical property of the ramming material to be more stable, and the corrosion resistance, the oxidation resistance and the thermal shock resistance are further enhanced; and due to the magnesium lactate magnesium enhancer, the sintering resistance and the volume stability of the ramming material are improved.
本发明涉及耐火材料技术领域，尤其涉及一种高强化无铬镁耐火捣打料及其制备方法。包括以下重量份的原料：高纯度镁砂颗粒20～40份；无水硫酸镁6～9份；白刚玉细粉4～8份；氧化锆纤维6～10份；络合剂和缓冲剂2～4份；粘合剂3～6份；强化剂2～5份。捣打料不含铬，避免了对人体和环境的危害；氧化锆使得捣打料的热化学性质更加稳定、耐腐蚀、抗氧化、抗热震性能进一步加强；乳酸镁镁质强化剂使得捣打料的抗烧结性和体积稳定性得到提升。
High-strength chromium-magnesium-free refractory ramming material and preparation method thereof
The invention relates to the technical field of refractory materials, in particular to a high-strength chromium-magnesium-free refractory ramming material and a preparation method thereof. The material comprises the following raw materials in parts by weight: 20-40 parts of high-purity magnesia particles; 6-9 parts of anhydrous magnesium sulfate; 4-8 parts of white corundum fine powder; 6-10 parts of zirconium oxide fiber; 2-4 parts of a complexing agent and a buffering agent; 3-6 parts of an adhesive; and 2-5 parts of an enhancer. The ramming material does not contain chromium, so that harm to a human body and the environment is avoided; the zirconium oxide enables the thermal chemical property of the ramming material to be more stable, and the corrosion resistance, the oxidation resistance and the thermal shock resistance are further enhanced; and due to the magnesium lactate magnesium enhancer, the sintering resistance and the volume stability of the ramming material are improved.
本发明涉及耐火材料技术领域，尤其涉及一种高强化无铬镁耐火捣打料及其制备方法。包括以下重量份的原料：高纯度镁砂颗粒20～40份；无水硫酸镁6～9份；白刚玉细粉4～8份；氧化锆纤维6～10份；络合剂和缓冲剂2～4份；粘合剂3～6份；强化剂2～5份。捣打料不含铬，避免了对人体和环境的危害；氧化锆使得捣打料的热化学性质更加稳定、耐腐蚀、抗氧化、抗热震性能进一步加强；乳酸镁镁质强化剂使得捣打料的抗烧结性和体积稳定性得到提升。
High-strength chromium-magnesium-free refractory ramming material and preparation method thereof
一种高强化无铬镁耐火捣打料及其制备方法
ZHAO XIANHUA (Autor:in) / ZHANG YIXIAN (Autor:in) / HOU ZHONGYANG (Autor:in) / JIN ZHAO (Autor:in) / CHEN DONGMING (Autor:in) / TANG XIANGHAI (Autor:in)
21.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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