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Ferrosilicon nitride mullite silicon carbide brick for silicomanganese alloy ladle and preparation method of ferrosilicon nitride mullite silicon carbide brick
The invention relates to a ferro-silicon nitride mullite silicon carbide brick for a silicon-manganese alloy ladle and a preparation method of the ferro-silicon nitride mullite silicon carbide brick, and belongs to the technical field of silicon-manganese alloy ladle linings. The silicon iron nitride mullite silicon carbide brick is prepared from the following raw materials in percentage by mass: 15 to 20 percent of 5 to 3 mm alumina, 15 to 25 percent of 1 to 0 mm alumina, 19 to 24 percent of 0.074 mm alumina fine powder, 18 to 26 percent of 3 to 1 mm mullite, 1 to 5 percent of 1 to 0 mm silicon carbide, 2 to 8 percent of 0.074 mm silicon carbide fine powder, 2 to 6 percent of 0.074 mm alumina powder, 1 to 4 percent of 0.074 mm silicon iron nitride, 4 to 9 percent of 0.074 mm Guangxi white mud and 1 to 2 percent of 0.074 mm metal silicon powder. The product provided by the invention has excellent slag corrosion resistance, melt scouring resistance and thermal shock resistance, and the service life is obviously prolonged; meanwhile, the invention provides a preparation method beneficial to industrial production.
本发明涉及一种硅锰合金包用氮化硅铁莫来石碳化硅砖及其制备方法，属于硅锰合金包衬技术领域。本发明所述的氮化硅铁莫来石碳化硅砖，包括以下质量百分含量的原料：5‑3mm矾土15‑20％、1‑0mm矾土15‑25％、0.074mm矾土细粉19‑24％、3‑1mm莫来石18‑26％、1‑0mm碳化硅1‑5％、0.074mm碳化硅细粉2‑8％、0.074mm氧化铝粉2‑6％、0.074mm氮化硅铁1‑4％、0.074mm广西白泥4‑9％、0.074mm金属硅粉1‑2％。本发明所述的制品具有优异的抗熔渣侵蚀性、抗熔液冲刷性和抗热震性能，使用寿命明显提高；同时本发明提供了一种利于工业化生产的制备方法。
Ferrosilicon nitride mullite silicon carbide brick for silicomanganese alloy ladle and preparation method of ferrosilicon nitride mullite silicon carbide brick
The invention relates to a ferro-silicon nitride mullite silicon carbide brick for a silicon-manganese alloy ladle and a preparation method of the ferro-silicon nitride mullite silicon carbide brick, and belongs to the technical field of silicon-manganese alloy ladle linings. The silicon iron nitride mullite silicon carbide brick is prepared from the following raw materials in percentage by mass: 15 to 20 percent of 5 to 3 mm alumina, 15 to 25 percent of 1 to 0 mm alumina, 19 to 24 percent of 0.074 mm alumina fine powder, 18 to 26 percent of 3 to 1 mm mullite, 1 to 5 percent of 1 to 0 mm silicon carbide, 2 to 8 percent of 0.074 mm silicon carbide fine powder, 2 to 6 percent of 0.074 mm alumina powder, 1 to 4 percent of 0.074 mm silicon iron nitride, 4 to 9 percent of 0.074 mm Guangxi white mud and 1 to 2 percent of 0.074 mm metal silicon powder. The product provided by the invention has excellent slag corrosion resistance, melt scouring resistance and thermal shock resistance, and the service life is obviously prolonged; meanwhile, the invention provides a preparation method beneficial to industrial production.
本发明涉及一种硅锰合金包用氮化硅铁莫来石碳化硅砖及其制备方法，属于硅锰合金包衬技术领域。本发明所述的氮化硅铁莫来石碳化硅砖，包括以下质量百分含量的原料：5‑3mm矾土15‑20％、1‑0mm矾土15‑25％、0.074mm矾土细粉19‑24％、3‑1mm莫来石18‑26％、1‑0mm碳化硅1‑5％、0.074mm碳化硅细粉2‑8％、0.074mm氧化铝粉2‑6％、0.074mm氮化硅铁1‑4％、0.074mm广西白泥4‑9％、0.074mm金属硅粉1‑2％。本发明所述的制品具有优异的抗熔渣侵蚀性、抗熔液冲刷性和抗热震性能，使用寿命明显提高；同时本发明提供了一种利于工业化生产的制备方法。
Ferrosilicon nitride mullite silicon carbide brick for silicomanganese alloy ladle and preparation method of ferrosilicon nitride mullite silicon carbide brick
硅锰合金包用氮化硅铁莫来石碳化硅砖及其制备方法
LI ZONGBAO (Autor:in) / REN JIANXIU (Autor:in) / WANG JILU (Autor:in)
22.04.2022
Patent
Elektronische Ressource
Chinesisch
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