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    • 3. 发明公开
    • 세라믹 화이바함유 고로 출선구 폐쇄용 내화물
    • 陶瓷纤维包装用于插入吹塑泡孔
    • KR1020040022258A
    • 2004-03-12
    • KR1020020052708
    • 2002-09-03
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김효준
    • C04B35/565
    • C04B35/66C04B35/565C04B35/76C04B2235/5224
    • PURPOSE: Ceramic fiber-contained refractories for plugging blast furnace tap hole are provided, which have high temperature strength, corrosion-resistance, and the prevention of cracking. CONSTITUTION: The ceramic fiber-contained refractories comprise 12-22wt.% of silicon carbide, 5-10wt.% of alumina-based fiber that is a low-temperature fiber(1-5mm length) containing less than 40wt.% of alumina for toughness and porosity, 5-10wt.% of clay for plasticity, 4-8wt.% of titanium oxide to increase the hot strength at high temperature, 6-10wt.% of amorphous graphite for corrosion resistance against slag, 2-5wt.% of metal silicon, 4-9wt.% of silicon nitride iron, the balance of fused alumina, and inevitable impurities.
    • 目的:提供用于堵塞高炉矿井的陶瓷纤维耐火材料,具有高温强度,耐腐蚀性和防止开裂的优点。 构成:含陶瓷纤维的耐火材料包括碳化硅12-22wt%,5-10wt%的氧化铝基纤维,它是含有小于40wt。%氧化铝的低温纤维(1-5mm长) 韧性和孔隙率,可塑性粘土的5-10重量%,氧化钛的4-8重量%,高温下的热强度,6-10重量%的无定形石墨,耐腐蚀性,2-5重量% 的金属硅,4-9重量%的氮化硅铁,余下的熔融氧化铝和不可避免的杂质。