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1. 发明公开

EP1864064A1 METHOD FOR THE LIQUEFACTION OF A HYDROCARBON-RICH SYSTEM 审中-公开
标题翻译：过程液化的富烃类系统
公开(公告)号：EP1864064A1
公开(公告)日：2007-12-12
申请号：EP06724956.5
申请日：2006-03-07
申请人： Shell Internationale Research Maatschappij B.V.
发明人： KAART, Sander
IPC分类号： F25J1/02 , F25B40/02 , F25B7/00
CPC分类号： F25J1/0022 , F25B7/00 , F25B2400/13 , F25B2400/23 , F25J1/0055 , F25J1/0057 , F25J1/0087 , F25J1/009 , F25J1/0254 , F25J1/0267 , F25J1/0268 , F25J1/0292 , F25J1/0297
摘要： The present invention relates to a method for the liquefaction of a hydrocarbon-rich stream, preferably a natural gas containing stream, by heat exchanging against a refrigerant (1a-d) . The liquid refrigerant (19) is evaporated using heat from the hydrocarbon-rich stream, thereby obtaining an evaporated refrigerant (3a-d) . The evaporated refrigerant (3a-d) is subsequently compressed (5), cooled (10) against ambient thereby fully condensing the compressed refrigerant. Next, the fully condensed compressed refrigerant (12) is further sub-cooled (14) by indirect heat exchange against an auxiliary refrigerant being cycled in an auxiliary refrigerant. Then the subcooled refrigerant (16) is expanded (18) thereby forming the liquid refrigerant (19).

2. 发明公开

EP2366085A2 LIQUEFACTION METHOD AND SYSTEM 有权
标题翻译：液化的方法和系统
公开(公告)号：EP2366085A2
公开(公告)日：2011-09-21
申请号：EP09760300.5
申请日：2009-11-16
申请人： Air Products and Chemicals, Inc.
发明人： BROSTOW, Adam, Adrian , ROBERTS, Mark, Julian
IPC分类号： F25J1/02
CPC分类号： F25J1/005 , F25J1/0022 , F25J1/004 , F25J1/0052 , F25J1/0072 , F25J1/0087 , F25J1/009 , F25J1/0095 , F25J1/0097 , F25J1/0204 , F25J1/0205 , F25J1/0254 , F25J1/0263 , F25J1/0265 , F25J1/0267 , F25J1/0268 , F25J1/0283 , F25J1/0284 , F25J1/0288 , F25J1/0294 , F25J2220/62 , F25J2230/08 , F25J2230/32 , F25J2270/16 , F25J2290/62
摘要： A feed gas is liquefied using a closed loop refrigeration system in which a cooled compressed gaseous refrigerant stream (150) is expanded (136) to provide a first expanded gaseous refrigerant stream (154) that is substantially vapor and is used to cool and substantially liquefy a feed gas stream (100) through indirect heat exchange (110). The substantially liquefied feed gas stream (102) preferably is subcooled through indirect heat exchange (112) against a second expanded gaseous refrigerant stream (172) that preferably also is substantially vapor and can be provided by a cooled compressed gaseous refrigerant stream (170) or by a portion of the first expanded gaseous refrigerant stream (152). Cooling duty for the compressed gaseous refrigerant stream (146) is provided by a portion (160) of the first expanded gaseous refrigerant stream (152), gaseous refrigerant (156) partially warmed by said heat exchange (110) against feed gas, and/or second expanded gaseous refrigerant stream (174) warmed by said subcooling (112).

3. 发明公开

EP2600088A3 Liquefaction method and system 有权
标题翻译：液化方法和系统
公开(公告)号：EP2600088A3
公开(公告)日：2018-03-28
申请号：EP13156856.0
申请日：2009-11-16
申请人： AIR PRODUCTS AND CHEMICALS, INC.
发明人： Brostow, Adam Adrian , Roberts, Mark Julian
IPC分类号： F25J1/00 , F25J1/02
CPC分类号： F25J1/005 , F25J1/0022 , F25J1/004 , F25J1/0052 , F25J1/0072 , F25J1/0087 , F25J1/009 , F25J1/0095 , F25J1/0097 , F25J1/0204 , F25J1/0205 , F25J1/0254 , F25J1/0263 , F25J1/0265 , F25J1/0267 , F25J1/0268 , F25J1/0283 , F25J1/0284 , F25J1/0288 , F25J1/0294 , F25J2220/62 , F25J2230/08 , F25J2230/32 , F25J2270/16 , F25J2290/62
摘要： A feed gas is liquefied using a closed loop refrigeration system in which a cooled compressed gaseous refrigerant stream (150) is expanded (136) to provide a first expanded gaseous refrigerant stream (154) that is substantially vapor and is used to cool and substantially liquefy a feed gas stream (100) through indirect heat exchange (110). The substantially liquefied feed gas stream (102) preferably is subcooled through indirect heat exchange (112) against a second expanded gaseous refrigerant stream (172) that preferably also is substantially vapor and can be provided by a cooled compressed gaseous refrigerant stream (170) or by a portion of the first expanded gaseous refrigerant stream (152). Cooling duty for the compressed gaseous refrigerant stream (146) is provided by a portion (160) of the first expanded gaseous refrigerant stream (152), gaseous refrigerant (156) partially warmed by said heat exchange (110) against feed gas, and/or second expanded gaseous refrigerant stream (174) warmed by said subcooling (112).
摘要翻译：使用闭环制冷系统使进料气体液化，其中冷却的压缩气态制冷剂流（150）被膨胀（136）以提供基本上为蒸气且用于冷却并基本液化的第一膨胀气态制冷剂流（154）通过间接热交换（110）的进料气流（100）。基本上液化的原料气流（102）优选通过间接热交换（112）相对于第二膨胀气态制冷剂流（172）过冷，所述第二膨胀气态制冷剂流优选也基本上是蒸气并且可以由冷却的压缩气态制冷剂流（170）通过第一膨胀气态制冷剂流（152）的一部分。通过第一膨胀气态制冷剂流（152）的一部分（160），通过所述热交换器（110）部分地加热而抵抗供给气体的气态制冷剂（156）和/ 或由所述过冷（112）加热的第二膨胀气态制冷剂流（174）。

4. 发明公开

EP2600088A2 Liquefaction method and system 有权
标题翻译： Verflüssigungsverfahrenund系统
公开(公告)号：EP2600088A2
公开(公告)日：2013-06-05
申请号：EP13156856.0
申请日：2009-11-16
申请人： AIR PRODUCTS AND CHEMICALS, INC.
发明人： Brostow, Adam Adrian , Roberts, Mark Julian
IPC分类号： F25J1/00 , F25J1/02
CPC分类号： F25J1/005 , F25J1/0022 , F25J1/004 , F25J1/0052 , F25J1/0072 , F25J1/0087 , F25J1/009 , F25J1/0095 , F25J1/0097 , F25J1/0204 , F25J1/0205 , F25J1/0254 , F25J1/0263 , F25J1/0265 , F25J1/0267 , F25J1/0268 , F25J1/0283 , F25J1/0284 , F25J1/0288 , F25J1/0294 , F25J2220/62 , F25J2230/08 , F25J2230/32 , F25J2270/16 , F25J2290/62
摘要： A feed gas is liquefied using a closed loop refrigeration system in which a cooled compressed gaseous refrigerant stream (150) is expanded (136) to provide a first expanded gaseous refrigerant stream (154) that is substantially vapor and is used to cool and substantially liquefy a feed gas stream (100) through indirect heat exchange (110). The substantially liquefied feed gas stream (102) preferably is subcooled through indirect heat exchange (112) against a second expanded gaseous refrigerant stream (172) that preferably also is substantially vapor and can be provided by a cooled compressed gaseous refrigerant stream (170) or by a portion of the first expanded gaseous refrigerant stream (152). Cooling duty for the compressed gaseous refrigerant stream (146) is provided by a portion (160) of the first expanded gaseous refrigerant stream (152), gaseous refrigerant (156) partially warmed by said heat exchange (110) against feed gas, and/or second expanded gaseous refrigerant stream (174) warmed by said subcooling (112).
摘要翻译：使用闭环制冷系统液化进料气体，其中冷却的压缩气态制冷剂流（150）膨胀（136）以提供基本蒸气并用于冷却和基本液化的第一膨胀气态制冷剂流（154）通过间接热交换（110）的进料气流（100）。基本上液化的进料气流（102）优选通过间接热交换（112）过冷而与第二膨胀气态制冷剂流（172）过冷，第二膨胀气态制冷剂流优选基本上是蒸气，并可由冷却的压缩气态制冷剂流（170）或通过第一膨胀的气态制冷剂流（152）的一部分。压缩的气态制冷剂流（146）的冷却功率由第一膨胀气态制冷剂流（152）的一部分（160），由所述热交换器（110）部分温热的气态制冷剂（151）供给气体和/ 或由所述过冷却器（112）加热的第二膨胀气态制冷剂流（174）。

5. 发明公开

EP2564139A2 PROCESS AND APPARATUS FOR THE LIQUEFACTION OF NATURAL GAS 有权转让
标题翻译： VERFAHREN UND VORRICHTUNG ZURVERFLÜSSIGUNGVON ERDGAS
公开(公告)号：EP2564139A2
公开(公告)日：2013-03-06
申请号：EP11717717.0
申请日：2011-04-19
申请人： Costain Oil, Gas&Process Limited
发明人： JOHNSON, Grant , EASTWOOD, Timothy
IPC分类号： F25J1/02
CPC分类号： F25J1/0022 , F25J1/0035 , F25J1/0037 , F25J1/005 , F25J1/0052 , F25J1/0062 , F25J1/0065 , F25J1/007 , F25J1/0072 , F25J1/0082 , F25J1/0085 , F25J1/009 , F25J1/0097 , F25J1/0204 , F25J1/0205 , F25J1/0208 , F25J1/0215 , F25J1/0216 , F25J1/0278 , F25J1/0288 , F25J3/061 , F25J3/0635 , F25J3/064 , F25J2220/62 , F25J2230/20 , F25J2230/30 , F25J2240/02 , F25J2240/40 , F25J2270/16
摘要： A process for liquefaction of natural gas comprising the steps of: compressing a fluid refrigerant 550; cooling the compressed refrigerant 500 in heat exchange with a cooling fluid to provide a cooled compressed refrigerant 525; work-expanding at least a first portion of the cooled compressed refrigerant 525 in a first turbo-expander 530 to provide an expanded cooled refrigerant 535; reheating the expanded cooled refrigerant 535 in a liquefaction heat exchange system 505 to provide a reheated refrigerant 550; returning the reheated refrigerant 550 to be recompressed; providing a natural gas feed stream 400; compressing the natural gas feed stream 400; passing the compressed natural gas feed stream 410 directly or indirectly to heat exchange with the expanded cooled refrigerant 535 in the liquefaction heat exchange system 505; and withdrawing a cooled and at least partly condensed natural gas product 450 from the liquefaction heat exchange system 440; wherein the first turbo-expander 530 is used to drive a compressor 405 to compress the natural gas feed stream 400. There may be a second turbo-expander to drive the refrigerant compressor, and the refrigerant may be nitrogen. An apparatus for performing the method is also disclosed.
摘要翻译：一种液化天然气的方法，包括以下步骤：压缩流体制冷剂550; 冷却与冷却流体热交换的压缩制冷剂500，以提供冷却的压缩制冷剂525; 在第一涡轮膨胀机530中对冷却的压缩制冷剂525的至少第一部分进行加工膨胀以提供膨胀冷却的制冷剂535; 在液化热交换系统505中重新加热膨胀的冷却的制冷剂535，以提供再加热的制冷剂550; 返回待再压缩的再加热制冷剂550; 提供天然气进料流400; 压缩天然气进料流400; 使压缩天然气进料流410直接或间接地与液化热交换系统505中的膨胀冷却制冷剂535进行热交换; 并从液化热交换系统440抽出冷却和至少部分冷凝的天然气产物450; 其中第一涡轮膨胀机530用于驱动压缩机405以压缩天然气进料流400.可以有第二涡轮膨胀机来驱动制冷剂压缩机，制冷剂可以是氮气。还公开了一种用于执行该方法的装置。

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