METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR
    1.
    发明申请
    METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR 审中-公开
    冷却油气流及其装置的方法

    公开(公告)号:WO2010063789A3

    公开(公告)日:2015-02-19

    申请号:PCT/EP2009066297

    申请日:2009-12-03

    Abstract: The present invention provides a method of cooling a hydrocarbon stream, such as a method of liquefying a natural gas stream to provide a liquefied natural gas stream and an apparatus therefore, the method comprising at least the steps of : (a) heat exchanging a hydrocarbon stream (10) against one or more refrigerant streams (20) to provide a cooled hydrocarbon stream (30) and one or more at least partly evapourated refrigerant streams (40); (b) compressing the one or more at least partly evapourated refrigerant streams (40) in at least one refrigerant compressor (150) to provide one or more compressed refrigerant streams (60); (c) driving one or more turbines (200) to directly mechanically drive the at least one refrigerant compressor (150) and provide one or more hot discharge streams (220, 460) from the one or more turbines (200); and (d) thermally desalinating a salinated water stream (280) in a thermal desalination unit (250) with at least a part of the heat energy derived from at least one of the one or more hot discharge streams (220, 460) to provide a desalinated water stream (260).

    Abstract translation: 本发明提供了一种冷却烃流的方法,例如液化天然气流以提供液化天然气流的方法,因此该方法至少包括以下步骤:(a)将烃 (10)与一个或多个制冷剂流(20)相连以提供冷却的烃流(30)和一个或多个至少部分蒸发的制冷剂流(40); (b)压缩至少一个制冷剂压缩机(150)中的一个或多个至少部分蒸发的制冷剂流(40),以提供一个或多个压缩的制冷剂流(60); (c)驱动一个或多个涡轮机(200)以直接机械地驱动所述至少一个制冷剂压缩机(150)并且提供来自所述一个或多个涡轮机(200)的一个或多个热排放流(220,460); 和(d)在热脱盐单元(250)中将至少一部分热能衍生自所述一个或多个热排放流(220,460)中的至少一个的热能脱盐水(280),以提供 脱盐水流(260)。

    METHOD AND APPARATUS FOR COOLING AND/OR LIQUEFYING A HYDROCARBON STREAM
    3.
    发明申请
    METHOD AND APPARATUS FOR COOLING AND/OR LIQUEFYING A HYDROCARBON STREAM 审中-公开
    用于冷却和/或液化烃流的方法和装置

    公开(公告)号:WO2009071538A3

    公开(公告)日:2010-03-11

    申请号:PCT/EP2008066623

    申请日:2008-12-02

    Abstract: A refrigerant stream (10) is provided at a refrigerant pressure, and passed through at least three heat exchange steps (12, 14, 16, 18) operating at different pressure levels. A hydrocarbon stream (20) is passed through at least two of these heat exchange steps to provide a cooled hydrocarbon stream (30). A fraction of the refrigerant stream (10) is expanded and evaporated at each heat exchange step (12, 14, 16, 18) to a different pressure, to provide a first evaporated refrigerant stream (40) at a first evaporation pressure, and at least two other evaporated refrigerant streams (50, 60, 70) at evaporation pressures lower than the first evaporation pressure. The first evaporated refrigerant stream (40) is compressed through a highest-pressure compressor stage (22) to provide at least a fraction of the refrigerant stream (10) at the refrigerant pressure, and the other evaporated refrigerant streams (50, 60, 70) are compressed through at least two parallel lower pressure compressor stages (24, 26, 28) to provide two or more part-compressed refrigerant streams (50a, 60a, 70a), all of which part-compressed refrigerant streams (50a, 60a, 70a) being passed through the highest pressure compressor stage (22).

    Abstract translation: 制冷剂流(10)以制冷剂压力提供,并且通过在不同压力水平下操作的至少三个热交换步骤(12,14,16,18)。 烃流(20)通过这些热交换步骤中的至少两个以提供冷却的烃流(30)。 一部分制冷剂流(10)在每个热交换步骤(12,14,16,18)处被膨胀和蒸发到不同的压力,以在第一蒸发压力下提供第一蒸发的制冷剂流(40) 至少两个蒸发的制冷剂流(50,60,70),其蒸发压力低于第一蒸发压力。 第一蒸发的制冷剂流(40)通过最高压力的压缩机级(22)被压缩,以在制冷剂压力下提供至少一部分制冷剂流(10),另一个蒸发的制冷剂流(50,60,70 )通过至少两个平行的低压压缩机级(24,26,28)压缩,以提供两个或更多个部分压缩的制冷剂流(50a,60a,70a),所有这些部分压缩的制冷剂流(50a,60a,70a) 70a)通过最高压力的压缩机级(22)。

    METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM
    4.
    发明申请
    METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM 审中-公开
    用于冷却油气流的方法和装置

    公开(公告)号:WO2009007435A2

    公开(公告)日:2009-01-15

    申请号:PCT/EP2008059046

    申请日:2008-07-10

    Abstract: A mixed refrigerant stream (10) comprising a first mixed refrigerant is passed through one or more heat exchangers (12) to provide a cooled mixed refrigerant stream (20). At least a fraction of a cooling stream (30) comprising a second mixed refrigerant is expanded to provide one or more expanded cooling streams (40a), at least one of which may be passed through one or more of the heat exchangers (12), to cool the mixed refrigerant stream (10) thereby providing the cooled mixed refrigerant stream (20). The temperature (T1) and the flow (F1) of at least part of the cooled mixed refrigerant stream (20) is monitored, and the flow (F2) of the cooling stream (30) is controlled using the flow F1 and the temperature T1.

    Abstract translation: 包含第一混合制冷剂的混合制冷剂流(10)通过一个或多个热交换器(12)以提供冷却的混合制冷剂流(20)。 包括第二混合制冷剂的至少一部分冷却流(30)被膨胀以提供一个或多个膨胀冷却流(40a),其中至少一个可以通过一个或多个热交换器(12), 以冷却混合的制冷剂流(10),从而提供冷却的混合制冷剂流(20)。 监测冷却的混合制冷剂流(20)的至少一部分的温度(T1)和流量(F1),并且使用流F1和温度T1来控制冷却流(30)的流量(F2) 。

    METHOD AND APPARATUS FOR LIQUEFYING A GASEOUS HYDROCARBON STREAM

    公开(公告)号:WO2009007439A3

    公开(公告)日:2009-01-15

    申请号:PCT/EP2008/059051

    申请日:2008-07-10

    Abstract: A method and apparatus for liquefying a gaseous hydrocarbon stream such as natural gas. The method comprises at least the steps of providing a feed stream (10) and dividing the feed stream (10) to provide at least a first stream (20) and a second stream (30). The first stream (20) is liquefied using heat exchange against a liquid nitrogen stream (40) to provide a first liquefied hydrocarbon stream (60) and an at least partly evaporated nitrogen stream (70). The second stream (20) is cooled and liquefied by heat exchanging against the at least partly evaporated nitrogen stream (70) to provide a second cooled hydrocarbon stream (80).

    METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM
    8.
    发明申请
    METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM 审中-公开
    生产冷却的烃流的方法和设备

    公开(公告)号:WO2011000900A3

    公开(公告)日:2011-04-14

    申请号:PCT/EP2010059341

    申请日:2010-07-01

    Abstract: Method and apparatus for producing a cooled hydrocarbon stream (60). The method employs cooling, at at least two consecutive pressure levels, a first stream and a first mixed refrigerant stream, using portions of the first mixed refrigerant from the first mixed refrigerant stream in first and second heat exchangers (125, 145); first and second expansion devices (135, 165); and a first compressor (105) to provide the first mixed refrigerant stream. The cooling process is controlled using an advanced process controller based on model predictive control to determine simultaneously control actions for a set of manipulated variables in order to optimise at least one of a set of parameters whilst controlling at least one of a set of controlled variables. The set of manipulated variables comprises: the composition of the mixed first refrigerant, the setting of the first expansion device (135), and the setting of the second expansion device (165).

    Abstract translation: 生产冷却的烃物流(60)的方法和设备。 该方法采用在第一和第二换热器(125,145)中使用来自第一混合制冷剂流的第一混合制冷剂的一部分在至少两个连续压力水平下冷却第一流和第一混合制冷剂流; 第一和第二膨胀装置(135,165); 和提供第一混合制冷剂流的第一压缩机(105)。 使用基于模型预测控制的高级过程控制器来控制冷却过程,以同时确定一组操纵变量的控制动作,以便在控制一组受控变量中的至少一个的同时优化一组参数中的至少一个参数。 该组操作变量包括:混合的第一制冷剂的组成,第一膨胀装置(135)的设定以及第二膨胀装置(165)的设定。

    METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR
    9.
    发明申请
    METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR 审中-公开
    冷却油气流及其装置的方法

    公开(公告)号:WO2010063789A2

    公开(公告)日:2010-06-10

    申请号:PCT/EP2009/066297

    申请日:2009-12-03

    Abstract: The present invention provides a method of cooling a hydrocarbon stream, such as a method of liquefying a natural gas stream to provide a liquefied natural gas stream and an apparatus therefore, the method comprising at least the steps of : (a) heat exchanging a hydrocarbon stream (10) against one or more refrigerant streams (20) to provide a cooled hydrocarbon stream (30) and one or more at least partly evapourated refrigerant streams (40); (b) compressing the one or more at least partly evapourated refrigerant streams (40) in at least one refrigerant compressor (150) to provide one or more compressed refrigerant streams (60); (c) driving one or more turbines (200) to directly mechanically drive the at least one refrigerant compressor (150) and provide one or more hot discharge streams (220, 460) from the one or more turbines (200); and (d) thermally desalinating a salinated water stream (280) in a thermal desalination unit (250) with at least a part of the heat energy derived from at least one of the one or more hot discharge streams (220, 460) to provide a desalinated water stream (260).

    Abstract translation: 本发明提供了一种冷却烃流的方法,例如液化天然气流以提供液化天然气流的方法,因此该方法至少包括以下步骤:(a)将烃 (10)与一个或多个制冷剂流(20)相连以提供冷却的烃流(30)和一个或多个至少部分蒸发的制冷剂流(40); (b)压缩至少一个制冷剂压缩机(150)中的一个或多个至少部分蒸发的制冷剂流(40),以提供一个或多个压缩的制冷剂流(60); (c)驱动一个或多个涡轮机(200)以直接机械地驱动所述至少一个制冷剂压缩机(150)并且提供来自所述一个或多个涡轮机(200)的一个或多个热排放流(220,460); 和(d)在热脱盐单元(250)中将至少一部分热能衍生自一个或多个热排放流(220,460)中的至少一个热盐析出单元(250,460)中的盐水流(280)进行热脱盐,以提供 脱盐水流(260)。

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