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    • 110. 发明专利
    • ROCK WOOL AND ITS PRODUCTION
    • JPH1135336A
    • 1999-02-09
    • JP20999697
    • 1997-07-18
    • TAISEI CORP
    • SUGIMOTO KENJI
    • C04B14/46C03B37/06C03C1/00C04B18/04D01F9/08
    • PROBLEM TO BE SOLVED: To effectively utilize general wastes by splashing the molten slag formed by firing the incineration ashes obtain. by firing of the general wastes at a high temp., thereby making the slag fibrous. SOLUTION: The incineration ashes obtd. by firing the general wastes in a stoker furnace or fluidized bed furnace are fired at a high temp. of 1400 to 1600 deg.C to obtain the molten slag. The ashes obtd. by firing bovine bones are added at need to this molten slag and after foreign matter is removed, the molten slag is put into an electric furnace of a high tap., etc., and is melted at the high temp. The molten slag 4 is then dropped like striae onto a high- speed spin and is splashed, by which the molten slag is made fibrous or the surface of the molten slag 4 is irradiated with a laser 2, by which the molten slag is melted. Simultaneously high-velocity gas is blown from a high-speed air device 3 to the molten slag to splash the molten part of the molten slag 4, by which the molten slag is made fibrous and rock wool 5 is obtd. The burnt ashes of the bovine bones are added to the molten slag 4, by which the fall of the m.p. is prevented and the quality is stabilized. The good viscous stock is thus obtd. and the production management is made stable and easy.