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    • 6. 发明专利
    • Pretreatment of coal for liquefaction
    • 煤气预处理
    • JPS60212483A
    • 1985-10-24
    • JP6914484
    • 1984-04-09
    • Sumitomo Heavy Ind LtdSumitomo Sekitan Kogyo Kk
    • SHINANO KUNIZOUAOKI KAORUMATSUI SHIGERUMATSUO KIYOTAKA
    • C10G1/00
    • PURPOSE: To simplify the liquefaction process, and to enable the effective utilization of circulating solvent, by supply the liquefied product of a coal liquefaction process to an aqueous slurry of coal powder, and granulating the coal powder using the liquefied product as the binder.
      CONSTITUTION: Coal 11 is crushed usually to ≤2W3mm and thrown into a wet crusher 15 together with water 13 to obtain a coal-water slurry 17 having a coal powder concentration of preferably 10W50%. The slurry is, if necessary, diluted with water 19, and introduced into the granulator 23. Separately, the granulator 23 is fed with a granulation binder comprising the liquefied product 41 (usually light oil, medium oil and/or heavy oil) produced by the liquefaction process 39, and if necessary, with a pH-controlling agent. When the slurry is agitated in the granulator 23, the surface of the oleophilic coal is coated with the circulating solvent, and the coal powder is coagulated and granulated by the binding effect of the liquefied product and the shearing force caused by the agitation.
      COPYRIGHT: (C)1985,JPO&Japio
    • 目的:为了简化液化过程,并能够有效利用循环溶剂,通过将煤液化过程的液化产物供应给煤粉的含水浆料,并使用液化产物作为粘合剂造粒煤粉。 构成:煤11通常被粉碎至<= 2-3mm。 并与水13一起投入湿式破碎机15,得到煤粉浓度优选为10〜50%的煤水17。 如果需要,将浆液用水19稀释,并引入造粒机23.另外,造粒机23供给造粒粘合剂,该造粒粘合剂包含由以下物质制成的液化产品41(通常为轻油,中油和/或重油) 液化过程39,如果需要,用pH控制剂。 当在造粒机23中搅拌浆料时,亲水煤的表面涂覆有循环溶剂,并且通过液化产物的结合作用和由搅拌引起的剪切力使煤粉凝结和造粒。