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Low-carbon magnesium-carbon refractory material added with C@Cr3C2 composite powder and preparation method of low-carbon magnesium-carbon refractory material
The invention relates to a low-carbon magnesium-carbon refractory material added with C@Cr3C2 composite powder and a preparation method of the low-carbon magnesium-carbon refractory material. The technical scheme is as follows: the method comprises the steps: taking 60-80 wt% of fused magnesite aggregate, 10-30 wt% of fused magnesite fine powder, 1-4 wt% of aluminum powder, 1-4 wt% of silicon powder, 1-4 wt% of crystalline flake graphite and 1-5 wt% of C@Cr3C2 composite powder as raw materials, and adding 3.5-6 wt% of phenolic resin; premixing aluminum powder, silicon powder and C@Cr3C2 composite powder to obtain a mixture I; adding the fused magnesite aggregate into a stirrer, performing stirring, adding phenolic resin, performing stirring, adding the fused magnesite fine powder and the mixture I, performing stirring, adding crystalline flake graphite, performing stirring, carrying out compression molding, performing curing, putting the mixture into an air furnace, sintering at 1,200-1,500 DEG C in a carbon-buried atmosphere, and performing natural cooling to obtain the low-carbon magnesium-carbon refractory material added with the C@Cr3C2 composite powder. The product prepared bythe invention has high strength, excellent oxidation resistance and excellent slag resistance.
本发明涉及一种添加C@Cr3C2复合粉体的低碳镁碳耐火材料及其制备方法。其技术方案是：以60～80wt％的电熔镁砂骨料、10～30wt％的电熔镁砂细粉、1～4wt％的铝粉、1～4wt％的硅粉、1～4wt％的鳞片石墨和1～5wt％的C@Cr3C2复合粉体为原料，外加原料3.5～6wt％的酚醛树脂；先将铝粉、硅粉和C@Cr3C2复合粉体预混，得混合料I；再将电熔镁砂骨料加入搅拌机中，搅拌，加入酚醛树脂，搅拌，然后加入电熔镁砂细粉和混合料I，搅拌，加入鳞片石墨，搅拌，压制成型，固化，置于空气炉中，在1200～1500℃和埋碳气氛中烧成，自然冷却，制得添加C@Cr3C2复合粉体的低碳镁碳耐火材料。本发明所制制品具有高强度、优异的抗氧化性和优良的抗渣性。
Low-carbon magnesium-carbon refractory material added with C@Cr3C2 composite powder and preparation method of low-carbon magnesium-carbon refractory material
The invention relates to a low-carbon magnesium-carbon refractory material added with C@Cr3C2 composite powder and a preparation method of the low-carbon magnesium-carbon refractory material. The technical scheme is as follows: the method comprises the steps: taking 60-80 wt% of fused magnesite aggregate, 10-30 wt% of fused magnesite fine powder, 1-4 wt% of aluminum powder, 1-4 wt% of silicon powder, 1-4 wt% of crystalline flake graphite and 1-5 wt% of C@Cr3C2 composite powder as raw materials, and adding 3.5-6 wt% of phenolic resin; premixing aluminum powder, silicon powder and C@Cr3C2 composite powder to obtain a mixture I; adding the fused magnesite aggregate into a stirrer, performing stirring, adding phenolic resin, performing stirring, adding the fused magnesite fine powder and the mixture I, performing stirring, adding crystalline flake graphite, performing stirring, carrying out compression molding, performing curing, putting the mixture into an air furnace, sintering at 1,200-1,500 DEG C in a carbon-buried atmosphere, and performing natural cooling to obtain the low-carbon magnesium-carbon refractory material added with the C@Cr3C2 composite powder. The product prepared bythe invention has high strength, excellent oxidation resistance and excellent slag resistance.
本发明涉及一种添加C@Cr3C2复合粉体的低碳镁碳耐火材料及其制备方法。其技术方案是：以60～80wt％的电熔镁砂骨料、10～30wt％的电熔镁砂细粉、1～4wt％的铝粉、1～4wt％的硅粉、1～4wt％的鳞片石墨和1～5wt％的C@Cr3C2复合粉体为原料，外加原料3.5～6wt％的酚醛树脂；先将铝粉、硅粉和C@Cr3C2复合粉体预混，得混合料I；再将电熔镁砂骨料加入搅拌机中，搅拌，加入酚醛树脂，搅拌，然后加入电熔镁砂细粉和混合料I，搅拌，加入鳞片石墨，搅拌，压制成型，固化，置于空气炉中，在1200～1500℃和埋碳气氛中烧成，自然冷却，制得添加C@Cr3C2复合粉体的低碳镁碳耐火材料。本发明所制制品具有高强度、优异的抗氧化性和优良的抗渣性。
Low-carbon magnesium-carbon refractory material added with C@Cr3C2 composite powder and preparation method of low-carbon magnesium-carbon refractory material
添加C@Cr3C2复合粉体的低碳镁碳耐火材料及其制备方法
DING JUN (author) / LI WEI (author) / DENG CHENGJI (author) / YU CHAO (author) / WANG XING (author) / ZHU HONGXI (author)
2021-02-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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