Carbon refractory for blast furnace and method for manufacturing such
carbon refractory
    3.
    发明授权
    Carbon refractory for blast furnace and method for manufacturing such carbon refractory 失效
    高炉碳耐火材料及其制造方法

    公开(公告)号:US5576254A

    公开(公告)日:1996-11-19

    申请号:US526954

    申请日:1995-09-12

    CPC分类号: C04B35/532

    摘要: An artificial coarse-grain aggregate with particle size of 1-5 mm is prepared by adding alumina particulates as an agent for preventing molten iron erosion, metallic silicon particulates as a pore-size reducing agent, and organic binder to flake graphite with high thermal conductivity or to artificial graphite with particle size of 1 mm or less or to a mixture of both types of graphite, and then by kneading, molding, baking, crushing, and screening. By compounding the coarse-grain aggregate thus manufactured instead of the conventional coarse-grain aggregate of calcined anthracite, artificial graphite, or flake graphite to manufacture carbon refractories, large-sized carbon refractories for blast furnaces, with high thermal conductivity and resistance to molten iron, may be manufactured at high yields. In result, the obtained carbon refractories are favorable as lining material for the basin parts of blast furnaces.

    摘要翻译: 通过添加作为防止铁水侵蚀的试剂的氧化铝微粒,作为减孔剂的金属硅微粒和具有高导热性的石墨的有机粘合剂,制备粒径为1-5mm的人造粗粒骨料 或者粒径为1mm以下的人造石墨或两种类型的石墨的混合物,然后通过捏合,成型,烘烤,破碎和筛选。 通过将由此制造的粗粒骨料与煅烧无烟煤,人造石墨或片状石墨的常规粗粒骨料混合来制造碳耐火材料,用于高炉的大型碳耐火材料,具有高导热性和耐铁水性 ,可以高产率制造。 结果,获得的碳耐火材料作为高炉盆地部件的衬里材料是有利的。