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耐火材料是高温工业,尤其是钢铁工业的重要基础材料。钢铁工业用耐火材料的消耗占耐火材料总消耗量的60%以上,钢铁工业用耐火材料的发展水平基本上反映着耐火材料工业的整体水平。最近10多年来,钢铁冶炼新技术如高炉大型化、大型转炉顶底复合吹炼、炉外精炼、高效连铸连轧、高功率、超高功率电炉及直流电弧炉等得到了广泛的应用。钢铁冶炼技术的发展对耐火材料工业不断提出新的挑战,促进优质、高效、长寿、多功能新型耐火材料不断出现。节能、功能化、长寿命优质新型耐火材料已经
Refractory materials are high-temperature industrial, especially in the iron and steel industry, an important basic material. The consumption of refractory materials in the steel industry accounts for more than 60% of the total consumption of refractory materials. The development level of refractory materials in the iron and steel industry basically reflects the overall level of the refractory industry. In the recent 10 years, new technologies for iron and steel smelting have been widely applied such as large-scale blast furnace, large-scale converter top and bottom compound blowing, furnace refining, high efficiency continuous casting and rolling, high power, ultra-high power electric furnace and DC electric arc furnace. The development of steel smelting technology continues to present new challenges to the refractory industry, promoting the emergence of high quality, high efficiency, long life and multi-functional new refractory materials. Energy-saving, functional, long-life high-quality new refractories already