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    • 6. 发明专利
    • UTILIZING PROCESS OF COAL ASH
    • JP2006320804A
    • 2006-11-30
    • JP2005144855
    • 2005-05-18
    • SAN KAKO HANBAI KK
    • ISHIKAWA YUTAKA
    • B09B3/00C04B18/10C04B24/26C04B28/02
    • PROBLEM TO BE SOLVED: To provide a utilizing process of coal ash which is capable of easily producing a solid matter, wherein the solid matter is hard to lose its shape and destroy even if it falls from high altitude and does not form a mass through mutual adhesion, which is capable of effectively utilizing the solid matter as an alternate material of sea sand and a material of construction and is further capable of extremely enhancing the yield to mold the solid matter from coal ash. SOLUTION: The utilizing process of coal ash comprises supplying a kneading agent 6 obtained by mixing cement, a solidification agent comprised of a nonionic type polymer, a chemical agent comprised of polyacrylamide as a main ingredient and water with the coal ash to a vacuum extrusion molding machine 10. Then, the short cylindrical solid matter 7 is molded by conducting the extrusion under vacuum extrusion by the vacuum extrusion molding machine 10. The percent by weight of water to 100 of the coal ash is set to 22 to 35 in the kneading agent 6. The diameter D of the short cylindrical solid matter 7 is set to 5 mm to 20 mm and the length L is set to 5 mm to 20 mm. COPYRIGHT: (C)2007,JPO&INPIT