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SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material and preparation method thereof
The invention discloses a SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material and a preparation method thereof. The preparation method comprises the following steps: preparing periclase-forsterite aggregate; the method comprises the following steps: heating high-silicon magnesite to 800-1000 DEG C at a rate of 3-8 DEG C/min, keeping the temperature for 2-4 hours, preparing high-silicon magnesite clinker, crushing and sieving to obtain 180-325-mesh high-silicon magnesite clinker fine powder; the method comprises the following steps: drying polycrystalline silicon waste for 24-36 hours under the condition of 110-150 DEG C, crushing and sieving to obtain polycrystalline silicon waste fine powder of 180-325 meshes; the method is high in resource utilization rate; the periclase-forsterite-silicon carbide-carbon refractory material has very low elemental carbon content, can reduce recarburization of molten steel, and is suitable for smelting of low-carbon steel and ultra-low carbon steel; the SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material prepared by the method disclosed by the invention is good in thermal shock resistance and good in slag corrosion resistance, and the service life of the refractory material is effectively prolonged.
本发明公开了一种SiC晶须增强的方镁石‑镁橄榄石‑碳化硅‑碳耐火材料及其制备方法，方镁石‑镁橄榄石骨料的制备；将高硅菱镁矿以3～8℃/min的速率升温至800～1000℃，保温2～4h，制备高硅菱镁矿熟料，破碎、过筛，得到180～325目高硅菱镁矿熟料细粉；将多晶硅废料在110～150℃条件下干燥24～36h，破碎、过筛，得到180～325目多晶硅废料细粉。本发明方法资源利用率高；方镁石‑镁橄榄石‑碳化硅‑碳耐火材料中单质碳含量很低，可以减少对钢水的增碳，适用于低碳钢和超低碳钢的冶炼；本发明方法制备的SiC晶须增强的方镁石‑镁橄榄石‑碳化硅‑碳耐火材料抗热震性好、抗渣侵蚀性好、有效提高耐火材料的使用寿命。
SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material and preparation method thereof
The invention discloses a SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material and a preparation method thereof. The preparation method comprises the following steps: preparing periclase-forsterite aggregate; the method comprises the following steps: heating high-silicon magnesite to 800-1000 DEG C at a rate of 3-8 DEG C/min, keeping the temperature for 2-4 hours, preparing high-silicon magnesite clinker, crushing and sieving to obtain 180-325-mesh high-silicon magnesite clinker fine powder; the method comprises the following steps: drying polycrystalline silicon waste for 24-36 hours under the condition of 110-150 DEG C, crushing and sieving to obtain polycrystalline silicon waste fine powder of 180-325 meshes; the method is high in resource utilization rate; the periclase-forsterite-silicon carbide-carbon refractory material has very low elemental carbon content, can reduce recarburization of molten steel, and is suitable for smelting of low-carbon steel and ultra-low carbon steel; the SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material prepared by the method disclosed by the invention is good in thermal shock resistance and good in slag corrosion resistance, and the service life of the refractory material is effectively prolonged.
本发明公开了一种SiC晶须增强的方镁石‑镁橄榄石‑碳化硅‑碳耐火材料及其制备方法，方镁石‑镁橄榄石骨料的制备；将高硅菱镁矿以3～8℃/min的速率升温至800～1000℃，保温2～4h，制备高硅菱镁矿熟料，破碎、过筛，得到180～325目高硅菱镁矿熟料细粉；将多晶硅废料在110～150℃条件下干燥24～36h，破碎、过筛，得到180～325目多晶硅废料细粉。本发明方法资源利用率高；方镁石‑镁橄榄石‑碳化硅‑碳耐火材料中单质碳含量很低，可以减少对钢水的增碳，适用于低碳钢和超低碳钢的冶炼；本发明方法制备的SiC晶须增强的方镁石‑镁橄榄石‑碳化硅‑碳耐火材料抗热震性好、抗渣侵蚀性好、有效提高耐火材料的使用寿命。
SiC whisker reinforced periclase-forsterite-silicon carbide-carbon refractory material and preparation method thereof
一种SiC晶须增强的方镁石-镁橄榄石-碳化硅-碳耐火材料及其制备方法
QI XIN (author) / LUO XUDONG (author) / TAO YING (author) / ZHAO JINGMING (author) / QU TAO (author) / LI SINAN (author) / MENG XIANGRAN (author)
2024-07-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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