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    • 66. 发明授权
    • Process for producing a ceramic product for use as a construction
material
    • 制造用作建筑材料的陶瓷制品的方法
    • US5230845A
    • 1993-07-27
    • US743740
    • 1991-08-12
    • Ryusuke HashimotoMinoru Iwase
    • Ryusuke HashimotoMinoru Iwase
    • C02F11/00C04B18/08C04B18/10C04B33/00C04B33/13C04B33/135C04B33/24
    • C04B18/103C04B33/13C04B33/24Y02W30/92
    • The invention provides a process for producing a ceramic product for use as a construction material. According to the process of the invention, 2 to 50% by weight, based on the total weight, of sludge ashes containing 0.3 to 0.8 mole of CaO in Seger formula, 0.1 to 0.5 mole of MgO in Seger formula, and 0.2 mole or more of P.sub.2 O.sub.5 in Seger formula is added to a ceramic raw material. A desired percentage can be selected from the range of 2 to 50% to produce a ceramic product with desired properties. Also, according to the invention, a molded body can be fired at a temperature lower than a temperature used to fire a molded body with no sludge ashes to produce a ceramic product which is comparable to a ceramic product produced by firing the latter molded body. That is, according to the invention, a molded body can be fired at a temperature of 900.degree. to 1,200 .degree. C. to produce such a ceramic product.
    • 本发明提供一种制造用作建筑材料的陶瓷制品的方法。 根据本发明的方法,在Seger公式中,基于总重量为2〜50重量%的含有0.3〜0.8摩尔CaO的污泥灰分,Seger式中为0.1〜0.5摩尔MgO,0.2摩尔以上 的Seger配方中的P2O5添加到陶瓷原料中。 所需百分比可以从2至50%的范围内选择,以产生具有所需性质的陶瓷产品。 此外,根据本发明,可以在低于用于对没有污泥灰的火焰成型体的温度的温度下烧成成型体,以制造与通过烧制后者成型体制造的陶瓷制品相当的陶瓷制品。 也就是说,根据本发明,可以在900-1200℃的温度下烧制成型体以制备这种陶瓷产品。