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    • 1. 发明公开
    • Method of liquefying a contaminated hydrocarbon-containing gas stream
    • Verfahren zurVerflüssigungeines verschmutzten,kohlenwasserstoffhaltigen Gasstroms
    • EP2789957A1
    • 2014-10-15
    • EP13163349.7
    • 2013-04-11
    • Shell Internationale Research Maatschappij B.V.
    • Van Aken, Michiel GijsbertWolters-Den Breejen, Mariska
    • F25J1/00F25J1/02F25J3/06F25J3/08
    • F25J1/0022F25J1/0035F25J1/0037F25J1/004F25J1/0042F25J1/0202F25J1/0267F25J3/061F25J3/0635F25J3/065F25J3/067F25J3/08F25J2205/02F25J2205/10F25J2205/20F25J2220/64F25J2220/66F25J2230/30F25J2235/60F25J2245/90Y02C10/12
    • The present invention provides a method of liquefying a contaminated hydrocarbon-containing gas stream, the method comprising at least the steps of:
      (a) providing a contaminated hydrocarbon-containing gas stream (20);
      (b) cooling the contaminated hydrocarbon-containing gas stream (20) in a first heat exchanger (3) thereby obtaining a cooled contaminated hydrocarbon-containing stream (40);
      (c) cooling the cooled contaminated hydrocarbon-containing stream (40) in an expander (4) thereby obtaining a partially liquefied stream (70);
      (d) separating the partially liquefied stream (70) in a separator (5) thereby obtaining a gaseous stream (80) and a liquid stream (90);
      (e) expanding the liquid steam (90) obtained in step (d) thereby obtaining a multiphase stream (100);
      (f) separating the multiphase stream (100) in a separator (7) thereby obtaining a gaseous stream (110) and a slurry stream (120);
      (g) separating the slurry stream (120) in a solid/liquid separator (9) thereby obtaining a liquid hydrocarbon stream (170) and a concentrated slurry stream (140);
      (h) passing the gaseous stream (80) obtained in step (d) through the first heat exchanger (3) thereby obtaining a heated gaseous stream (270); and
      (i) compressing the heated gaseous stream (270) thereby obtaining a compressed gas stream (220); and
      (j) combining the compressed gas stream (220) obtained in step (i) with the contaminated hydrocarbon-containing gas stream (20) provided in step (a).
    • 本发明提供一种液化含污染烃的气流的方法,该方法至少包括以下步骤:(a)提供污染的含烃气流(20); (b)在第一热交换器(3)中冷却被污染的含烃气流(20),从而获得冷却的含污染烃类流(40); (c)在膨胀器(4)中冷却被冷却的含有污染烃的料流(40),由此获得部分液化物流(70); (d)将分离器(5)中的部分液化物流(70)分离,从而获得气流(80)和液体流(90); (e)使步骤(d)中获得的液体蒸汽(90)膨胀,从而获得多相流(100); (f)在分离器(7)中分离多相流(100),从而获得气流(110)和浆料流(120); (g)在固/液分离器(9)中分离浆料流(120),从而获得液态烃流(170)和浓缩浆液流(140); (h)使步骤(d)中获得的气流(80)通过第一热交换器(3),从而获得加热的气流(270); 和(i)压缩加热的气流(270),从而获得压缩气流(220); 和(j)将步骤(i)中获得的压缩气流(220)与步骤(a)中提供的污染的含烃气流(20)组合。