| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize refuse incineration ashes and to lower the firing temp. of tiles by press molding and drying a mixture composed of the fused slag of the refuse incineration ashes and clay minerals, then firing the moldings. SOLUTION: The refuse incineration ashes are heated and melted to 1150 to 1300 deg.C and are then pulverized to obtain the molten slag of the refuse incineration ashes. The dry body or slurry obtd. by mixing 30 to 95% molten slag of the refuse incineration ashes, 5 to 70% clay minerals, such as feldspar and pottery stone, having a grain size of <=100μm and, if necessary, water is granulated to obtain the dry body for molding or granular powder for molding. The dry body for molding or granular powder for molding is press molded and is dried and the moldings are fired at 800 to 1150 deg.C. |
