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    • 9. 发明专利
    • Method of continuous operation of counter current washing column
    • 连续运行计数器电流清洗柱的方法
    • JPS617301A
    • 1986-01-14
    • JP12649684
    • 1984-06-21
    • Mitsui Toatsu Chem Inc
    • ASANUMA TADASHIOOOKA TAKEOFUNAKOSHI YOSHIYUKI
    • C08F6/00B01J19/18B01J19/24C08F6/06C08F6/24C08F10/00
    • C08F6/24B01J19/1881B01J19/242B01J2219/00054B01J2219/00094
    • PURPOSE: To operate continuously a counter current washing column by controlling an amount of washed slurry to be extracted by an amount of heat to be added to a heating tube, and to obtain a solid polymer by washing solid polymer slurry at a fixed washing efficiency.
      CONSTITUTION: In separating steam of washing solution from solid polymer particles by extracting continuously slurry consisting of the solid polymer particles and a diluent from a continuous polymerization zone, feeding it to the top of a counter current washing column, introducing the washing solution from the bottom of the counter current column to it, extracting the washing solution from its top and the washed slurry from its bottom, sending them to a heating tube, an amount of the washed slurry to be extracted from the bottom is regulated by an amount of heat to be added to the heating tube, and, if necessary, by an amount of a solution to be separately added to the heating tube, and continuous operation is carried out by using an amount of the slurry in a tank of the final reaction in a continuous polymerization zone as its controlling value.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过控制通过加热管中加入的热量提取的洗涤浆液的量连续操作逆流洗涤塔,并通过以固定的洗涤效率洗涤固体聚合物浆料而获得固体聚合物。 构成:通过从连续聚合区中提取由固体聚合物颗粒和稀释剂组成的浆料,将洗涤溶液与固体聚合物颗粒分离,将其送入逆流洗涤塔的顶部,从底部引入洗涤溶液 从其顶部提取洗涤溶液并从其底部提取洗涤的浆液,将其送至加热管,将从底部提取的洗涤浆液的量由一定量的热量调节至 加入到加热管中,根据需要加入一定量的待加热管中分开加入的溶液,连续操作是通过在连续的最终反应槽中使用一定量的浆料 聚合区作为其控制值。