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    • 37. 发明公开
    • Method for drying filter cake
    • 韦尔法罕zur Trocknung eines Filterkuchens
    • EP2703758A1
    • 2014-03-05
    • EP13150720.4
    • 2013-01-09
    • Linde Aktiengesellschaft
    • Wang, ZhuoxianZhu, Jianjun
    • F26B21/04F26B25/00B01D29/84
    • F26B21/04F26B25/006
    • In order to overcome the problems that earlier methods have experienced, a method for drying filter cake is proposed, comprising the steps of:
      a) feeding wet filter cake into at least one drier (E101);
      b) feeding drier gas into said drier (E101);
      c) recovering solvent-containing gas from said drier (E101);
      d) feeding said solvent-containing gas to at least one cryogenic condensation system (E102);
      e) feeding at least one inert gas to said cryogenic condensation system (E102);
      f) condensing solvent from said solvent-containing gas;
      g) recovering solvent-free gas from said cryogenic condensation system (E102); and
      h) feeding said solvent-free gas to said drier (E101).
    • 为了克服早期方法所遇到的问题,提出了一种干燥滤饼的方法,包括以下步骤:a)将湿滤饼送入至少一个干燥机(E101)中; b)将干燥气体送入所述干燥器(E101); c)从所述干燥器(E101)回收含溶剂的气体; d)将含溶剂的气体供给至少一个低温冷凝系统(E102); e)将至少一种惰性气体供给所述低温冷凝系统(E102); f)从所述含溶剂的气体中冷凝溶剂; g)从所述低温冷凝系统回收无溶剂气体(E102); 和h)将所述无溶剂气体供给到所述干燥器(E101)中。