发明授权
US08986598B2 Alumina-coated spinel-silicon carbide refractory composition with high corrosion resistance to coal slag and method for manufacturing the same
有权
氧化铝涂层的尖晶石 - 碳化硅耐火材料组合物对煤渣具有高耐腐蚀性及其制造方法
- 专利标题： Alumina-coated spinel-silicon carbide refractory composition with high corrosion resistance to coal slag and method for manufacturing the same
- 专利标题（中）： 氧化铝涂层的尖晶石 - 碳化硅耐火材料组合物对煤渣具有高耐腐蚀性及其制造方法
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申请号： US13674306申请日： 2012-11-12
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公开(公告)号： US08986598B2公开(公告)日： 2015-03-24
- 发明人: Chang Sam Kim , Sang Whan Park
- 申请人： Korea Institute of Science and Technology
- 申请人地址： KR Seoul
- 专利权人： Korea Institute of Science and Technology
- 当前专利权人： Korea Institute of Science and Technology
- 当前专利权人地址： KR Seoul
- 代理机构： Ladas & Parry LLP
- 优先权： KR10-2012-0033003 20120330
- 主分类号： C04B35/628
- IPC分类号： C04B35/628 ; C04B35/565
摘要：
Disclosed is an alumina-coated spinel-silicon carbide refractory composition with good resistance to coal slag penetration and a method for manufacturing the same. The refractory composition refractory composition comprising 3 to 10 parts by weight of fine alpha alumina powder with respect to the weight of the refractory mixture, wherein the mixture is prepared by mixing alumina-coated spinel aggregates and silicon carbide in a ratio of 10:90 to 40:60 wt %, a dispersant, and an alumina sol as a binder.
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