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Medium-frequency induction furnace alkaline ramming material
The invention relates to the technical field of refractory materials, in particular to a medium-frequency induction furnace alkaline ramming material, which is prepared by uniformly mixing the following raw materials: 20-65wt% of fused magnesite, 34-77wt% of calcined magnesite dolomite, 1-3wt% of silicon dioxide micro powder and 0.5-1wt% of a boric acid sintering agent; wherein in the fused magnesite, MgO content is greater than 94 wt%, and Fe2O3 content is less than or equal to 1wt%; the content of MgO in the calcined magnesite dolomite is 70-80wt%, and the content of CaO in the calcined magnesite dolomite is 18-25wt%; the particle size of the silicon dioxide micro powder is less than 10 microns, and SiO2 content in the silicon dioxide micro powder is more than or equal to 95wt%; the particle size of the boric acid powder is less than 0.088 mm, and H3BO3 content in the boric acid powder is greater than or equal to 99wt%. The medium-frequency induction furnace alkaline ramming materialhas the characteristics of being convenient to construct, good in volume stability, capable of purifying molten steel, high in alkaline slag resistance and long in service life.
本发明涉及耐火材料技术领域，尤其涉及一种中频感应炉用碱性捣打料，其使用以下原料混合均匀：电熔镁砂20～65wt％、煅烧镁白云石34～77wt％、二氧化硅微粉1～3wt％及硼酸烧结剂0.5～1wt％；其中，电熔镁砂中MgO＞94wt％，FeO≤1wt％；煅烧镁白云石中MgO含量为70～80wt％，CaO含量为18～25wt％；二氧化硅微粉的粒径小于10μm，二氧化硅微粉中SiO≥95wt％；硼酸粉的粒径＜0.088mm，硼酸粉中HBO≥99wt％。本发明制备的中频感应炉用碱性捣打料具有施工方便、体积稳定性好、能净化钢水、抗碱性渣能力强和使用寿命长的特点。
Medium-frequency induction furnace alkaline ramming material
The invention relates to the technical field of refractory materials, in particular to a medium-frequency induction furnace alkaline ramming material, which is prepared by uniformly mixing the following raw materials: 20-65wt% of fused magnesite, 34-77wt% of calcined magnesite dolomite, 1-3wt% of silicon dioxide micro powder and 0.5-1wt% of a boric acid sintering agent; wherein in the fused magnesite, MgO content is greater than 94 wt%, and Fe2O3 content is less than or equal to 1wt%; the content of MgO in the calcined magnesite dolomite is 70-80wt%, and the content of CaO in the calcined magnesite dolomite is 18-25wt%; the particle size of the silicon dioxide micro powder is less than 10 microns, and SiO2 content in the silicon dioxide micro powder is more than or equal to 95wt%; the particle size of the boric acid powder is less than 0.088 mm, and H3BO3 content in the boric acid powder is greater than or equal to 99wt%. The medium-frequency induction furnace alkaline ramming materialhas the characteristics of being convenient to construct, good in volume stability, capable of purifying molten steel, high in alkaline slag resistance and long in service life.
本发明涉及耐火材料技术领域，尤其涉及一种中频感应炉用碱性捣打料，其使用以下原料混合均匀：电熔镁砂20～65wt％、煅烧镁白云石34～77wt％、二氧化硅微粉1～3wt％及硼酸烧结剂0.5～1wt％；其中，电熔镁砂中MgO＞94wt％，FeO≤1wt％；煅烧镁白云石中MgO含量为70～80wt％，CaO含量为18～25wt％；二氧化硅微粉的粒径小于10μm，二氧化硅微粉中SiO≥95wt％；硼酸粉的粒径＜0.088mm，硼酸粉中HBO≥99wt％。本发明制备的中频感应炉用碱性捣打料具有施工方便、体积稳定性好、能净化钢水、抗碱性渣能力强和使用寿命长的特点。
Medium-frequency induction furnace alkaline ramming material
中频感应炉用碱性捣打料
HAN GUOCHENG (author) / JIA ZHENGGANG (author) / CHEN HUAZHONG (author) / JIANG WEI (author) / LI BING (author)
2020-04-17
Patent
Electronic Resource
Chinese
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