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1. 发明申请

US20180231305A1 Increasing Efficiency in an LNG Production System by Pre-Cooling a Natural Gas Feed Stream 审中-公开
公开(公告)号：US20180231305A1
公开(公告)日：2018-08-16
申请号：US15871276
申请日：2018-01-15
申请人： Fritz Pierre, JR.
发明人： Fritz Pierre, JR.
IPC分类号： F25J1/00 , F25J1/02
CPC分类号： F25J1/0072 , F25J1/0022 , F25J1/0035 , F25J1/0042 , F25J1/0221 , F25J1/0224 , F25J1/023 , F25J1/0241 , F25J1/0242 , F25J1/025 , F25J3/0233 , F25J3/0257 , F25J3/08 , F25J2200/02 , F25J2200/40 , F25J2200/74 , F25J2210/42 , F25J2215/02 , F25J2215/04 , F25J2215/42 , F25J2220/44 , F25J2230/08 , F25J2230/30 , F25J2230/42 , F25J2230/60 , F25J2235/42 , F25J2240/02 , F25J2245/02 , F25J2260/20 , F25J2270/14 , F25J2270/16 , F25J2270/58
摘要： Described herein are systems and processes to produce liquefied natural gas (LNG) using liquefied nitrogen (LIN) as the refrigerant. Greenhouse gas contaminants are removed from the LIN using a greenhouse gas removal unit. The LNG is compressed prior to being cooled by the LIN.

2. 发明申请

US20170038136A1 METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LIQUEFACTION OF NATURAL GAS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN 审中-公开
标题翻译：硝基液化剂和液化天然气用于生产液化天然气和液氮的方法
公开(公告)号：US20170038136A1
公开(公告)日：2017-02-09
申请号：US15229892
申请日：2016-08-05
申请人： L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
发明人： Michael A. TURNEY , Oriane FARGES , Alain GUILLARD
IPC分类号： F25J1/02 , F25J1/00
CPC分类号： F25J1/0022 , F25J1/0007 , F25J1/001 , F25J1/0015 , F25J1/0037 , F25J1/004 , F25J1/0045 , F25J1/005 , F25J1/0052 , F25J1/0072 , F25J1/0092 , F25J1/0202 , F25J1/0204 , F25J1/0208 , F25J1/0224 , F25J1/0232 , F25J1/0236 , F25J1/0238 , F25J1/0264 , F25J1/0271 , F25J1/0274 , F25J1/0275 , F25J1/0281 , F25J1/0288 , F25J1/0292 , F25J3/0257 , F25J3/04412 , F25J2205/02 , F25J2205/04 , F25J2210/02 , F25J2210/06 , F25J2210/40 , F25J2210/60 , F25J2215/42 , F25J2215/62 , F25J2215/64 , F25J2220/02 , F25J2220/44 , F25J2220/60 , F25J2220/64 , F25J2220/66 , F25J2220/68 , F25J2230/20 , F25J2230/22 , F25J2230/30 , F25J2230/42 , F25J2230/60 , F25J2240/02 , F25J2240/12 , F25J2240/40 , F25J2240/44 , F25J2245/02 , F25J2245/42 , F25J2270/08 , F25J2270/14 , F25J2270/16 , F25J2270/42 , F25J2270/88 , F25J2290/12 , F25J2290/34 , F25J2290/70
摘要： A method for the integration of a nitrogen liquefier and liquefaction of natural gas for the production of liquefied natural gas and liquid nitrogen is provided. The method may include providing a nitrogen liquefaction unit and providing a natural gas liquefaction unit. Liquefaction of the nitrogen can be achieved via a nitrogen refrigeration cycle within the nitrogen liquefaction unit. Liquefaction of the natural gas can be achieved through the use of natural gas letdown and a second nitrogen refrigeration cycle. The two liquefaction units can be integrated via a common nitrogen recycle compressor, thereby providing significant capital savings.
摘要翻译：提供了一种用于整合氮液化器和液化天然气的方法，用于生产液化天然气和液氮。该方法可以包括提供氮液化单元并提供天然气液化单元。可以通过氮液化装置内的氮气制冷循环来实现氮的液化。天然气的液化可以通过使用天然气排放和第二个氮气制冷循环来实现。两个液化单元可以通过普通的氮气再循环压缩机进行集成，从而大大节省了资金。

3. 发明申请

US20140026612A1 Method and Apparatus for Liquefying a CO2-Rich Gas 审中-公开
标题翻译：液化二氧化碳气体的方法和装置
公开(公告)号：US20140026612A1
公开(公告)日：2014-01-30
申请号：US14111242
申请日：2012-04-05
申请人： Bertrand Demolliens , Herve Le Bihan , Xavier Traversac
发明人： Bertrand Demolliens , Herve Le Bihan , Xavier Traversac
IPC分类号： F25J1/00
CPC分类号： F25J1/0027 , F25J1/0037 , F25J1/004 , F25J1/0042 , F25J1/0045 , F25J1/0202 , F25J1/0255 , F25J1/0298 , F25J3/0625 , F25J3/067 , F25J2210/02 , F25J2210/70 , F25J2220/82 , F25J2230/30 , F25J2230/42 , F25J2235/80 , F25J2240/30 , F25J2245/02 , F25J2260/80 , F25J2270/02 , F25J2270/04 , F25J2270/80 , F25J2280/02 , Y02C10/12
摘要： This invention relates to a method for liquefying a gas containing at least 60 mol % of CO2, in order to produce at least one liquid product, wherein the gas is cooled in order to form a fluid flow, at least a portion of the liquid or supercritical flow is cooled in a heat exchanger in order to form a cycle fluid having a cycle pressure, the cycle fluid is divided into at least two fractions including an auxiliary fraction, one of the fractions being expanded up to a first pressure in a valve in order to form a biphasic mixture, and then sent to a phase separator. The liquid fraction of the phase separator is vaporized so as to form a vaporized gas in the exchanger, the vaporized gas then being expanded from the first pressure to a second pressure in an expansion means, and then compressed in the cycle compressor and mixed with the first feed gas.
摘要翻译：本发明涉及一种用于液化含有至少60mol％CO 2的气体的方法，以便产生至少一种液体产物，其中将气体冷却以形成流体流，至少部分液体或在热交换器中冷却超临界流，以便形成具有循环压力的循环流体，循环流体被分成至少两个馏分，包括辅助馏分，其中一个馏分在阀中膨胀至第一压力以形成双相混合物，然后送至相分离器。相分离器的液体馏分蒸发以在交换器中形成汽化气体，然后将蒸发的气体在膨胀装置中从第一压力膨胀至第二压力，然后在循环压缩机中压缩并与第一次送气

4. 发明申请

US20120036890A1 NITROGEN REJECTION METHODS AND SYSTEMS 审中-公开
标题翻译：氮阻止方法和系统
公开(公告)号：US20120036890A1
公开(公告)日：2012-02-16
申请号：US13264345
申请日：2010-03-08
申请人： Edward L Kimble , Peter C Rasmussen
发明人： Edward L Kimble , Peter C Rasmussen
IPC分类号： F25J3/00
CPC分类号： F25J3/061 , F25J3/0209 , F25J3/0233 , F25J3/0257 , F25J3/0635 , F25J3/066 , F25J2200/02 , F25J2200/70 , F25J2205/04 , F25J2230/42 , F25J2230/60 , F25J2235/60 , F25J2240/40 , F25J2260/60 , F25J2280/02 , F25J2290/42
摘要： Methods and systems for removing nitrogen from a natural gas feed stream. The systems and methods generally include a heat exchange unit, a separation unit, and a liquid methane pump unit, where the separation unit produces a liquid methane bottoms stream and a gaseous overhead stream enriched in nitrogen and the liquid methane pump unit compresses the liquid methane bottoms stream and then pumps the stream through the heat exchange unit to cool a natural gas feed stream. In some embodiments the liquid methane pump unit is a sleeve bearing type unit. Beneficially, the disclosed systems and methods incorporate high head pumps for liquid methane compression instead of vaporizing the liquid methane and compressing it in a gaseous compression units that are typically used for this purpose, saving space, materials, and power.
摘要翻译：从天然气进料流中除去氮气的方法和系统。系统和方法通常包括热交换单元，分离单元和液体甲烷泵单元，其中分离单元产生液态甲烷塔底物流和富氮的气态塔顶馏出物流，液体甲烷泵单元压缩液体甲烷然后将物流泵送通过热交换单元以冷却天然气进料流。在一些实施例中，液体甲烷泵单元是套筒轴承型单元。有利的是，所公开的系统和方法包括用于液体甲烷压缩的高压头泵，而不是蒸发液体甲烷并且以通常用于该目的的气体压缩单元进行压缩，从而节省空间，材料和功率。

5. 发明申请

US20110308276A1 METHOD AND SYSTEM FOR PERIODIC COOLING, STORING, AND HEATING WITH MULTIPLE REGENERATORS 审中-公开
标题翻译：定期冷却，储存和加热多种再生器的方法和系统
公开(公告)号：US20110308276A1
公开(公告)日：2011-12-22
申请号：US12817664
申请日：2010-06-17
申请人： Jianguo XU , Robert VERO , Fabrice Amy , Paul HIGGINBOTHAM
发明人： Jianguo XU , Robert VERO , Fabrice Amy , Paul HIGGINBOTHAM
IPC分类号： F25J1/02
CPC分类号： F02C6/18 , F02C1/04 , F02C6/16 , F25J1/0012 , F25J1/0015 , F25J1/0037 , F25J1/004 , F25J1/0042 , F25J1/0201 , F25J1/0202 , F25J1/0251 , F25J1/0264 , F25J2205/24 , F25J2210/06 , F25J2230/06 , F25J2230/30 , F25J2230/40 , F25J2230/42 , F25J2270/06 , Y02E60/15
摘要： Disclosed are a method and system involving pressurizing an atmospheric gas stream to form at least a compressed atmospheric gas stream, directing the compressed atmospheric gas stream to a first regenerator for cooling, pressurizing to above a second predetermined pressure to form at least a supercritical atmospheric gas stream, directing the supercritical atmospheric gas stream to a second regenerator for cooling, reducing pressure to form at least a liquefied atmospheric gas stream, selectively storing the liquefied atmospheric gas stream, pressurizing the liquefied atmospheric gas stream to form at least a pressurized liquefied atmospheric gas stream, heating the pressurized liquefied atmospheric gas stream in the second regenerator to form at least a heated stream, expanding the heated stream to form at least a medium pressure atmospheric gas stream, directing the medium pressure atmospheric gas stream to the first regenerator, and heating the medium pressure atmospheric gas stream in the first regenerator.
摘要翻译：公开了一种方法和系统，包括对大气气流进行加压以形成至少压缩的气体气流，将压缩的气体气流引导到第一再生器进行冷却，加压至高于第二预定压力以形成至少一个超临界气氛气体将超临界大气气流引导到第二再生器进行冷却，降低压力以形成至少液化的大气气流，选择性地储存液化的大气气流，对液化的大气气流加压以形成至少加压的液化气氛气体加热第二再生器中的加压液化大气气流以形成至少一个加热流，使加热的流膨胀，形成至少一个中压气氛气流，将中压气氛气流引导到第一再生器，以及加热中压大气气流 m在第一个再生器。

6. 发明授权

US07712331B2 System to increase capacity of LNG-based liquefier in air separation process 有权
标题翻译：在空气分离过程中增加液化天然气液化器的能力
公开(公告)号：US07712331B2
公开(公告)日：2010-05-11
申请号：US11477924
申请日：2006-06-30
申请人： Douglas Paul Dee , Jung Soo Choe , Donn Michael Herron
发明人： Douglas Paul Dee , Jung Soo Choe , Donn Michael Herron
IPC分类号： F25J1/00 , F25J3/00 , F17C9/02
CPC分类号： F25J1/0264 , F25J1/0015 , F25J1/004 , F25J1/0224 , F25J1/0234 , F25J1/0245 , F25J1/0292 , F25J3/0406 , F25J3/04224 , F25J3/04266 , F25J3/04272 , F25J3/04351 , F25J3/04412 , F25J3/04678 , F25J3/04812 , F25J3/04969 , F25J2210/02 , F25J2210/62 , F25J2230/08 , F25J2230/42 , F25J2245/42
摘要： A system is set forth to increase the capacity of an LNG-based liquefier in a cryogenic air separation unit wherein, in a low production mode, the nitrogen that is fed to the LNG-based liquefier consists only of at least a portion of the high pressure nitrogen from the distillation column system while in a high production mode, a supplemental compressor is used to boost the pressure of at least a portion of the low pressure nitrogen from the distillation column system to create additional (or replacement) feed to the LNG-based liquefier. A key to the present invention is the supplemental compressor and the associated heat exchange equipment is separate and distinct from the LNG-based liquefier. This allows its purchase to be delayed until a capacity increase is actually needed and thus avoid building an oversized liquefier based on a speculative increase in liquid product demand.
摘要翻译：提出了一种系统来提高低温空气分离装置中基于液化天然气的液化器的容量，其中在低生产模式中，供给到基于LNG的液化器的氮仅由至少一部分高的来自蒸馏塔系统的高压氮气在高生产模式下，补充压缩机用于提高来自蒸馏塔系统的至少一部分低压氮气的压力，以产生到LNG- 液化器。本发明的关键是补充压缩机，并且相关联的热交换设备与基于液化天然气的液化器是独立的和不同的。这允许其购买被延迟，直到实际需要增加容量，从而避免在液体产品需求的推测性增加的情况下构建过大的液化器。

7. 发明申请

US20090013717A1 PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE 有权
标题翻译：气体混合物分离的方法和装置
公开(公告)号：US20090013717A1
公开(公告)日：2009-01-15
申请号：US11776475
申请日：2007-07-11
申请人： Arthur DARDE , Bao Ha , Jean-Pierre Trainer
发明人： Arthur DARDE , Bao Ha , Jean-Pierre Trainer
IPC分类号： F25J3/00 , F01K25/00
CPC分类号： F25J3/0266 , F25J3/04533 , F25J2200/02 , F25J2200/04 , F25J2200/70 , F25J2200/76 , F25J2205/04 , F25J2210/04 , F25J2210/70 , F25J2215/04 , F25J2220/82 , F25J2220/84 , F25J2230/08 , F25J2230/20 , F25J2230/30 , F25J2230/42 , F25J2240/12 , F25J2240/90 , F25J2245/02 , F25J2260/80 , F25J2270/02 , Y02C10/12
摘要： A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0° C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream.
摘要翻译：用于从含二氧化碳的流体中分离二氧化碳的方法包括以下步骤：压缩压缩机中的流体以形成压缩流体，干燥至少部分压缩流体以形成压缩和干燥的流体，冷却至少部分压缩和干燥的流体以形成压缩，干燥和冷却的流体，将压缩的，干燥和冷却的流体在低于0℃的温度下分离成富二氧化碳流，贫二氧化碳流和至少一种中间纯度液态物流的二氧化碳纯度低于富二氧化碳流的二氧化碳纯度，高于贫二氧化碳流的二氧化碳浓度，使至少一种中间纯度液体物流膨胀至少一个膨胀流，使用至少一个膨胀流冷却压缩和干燥的流体并再循环至少部分膨胀的流。

8. 发明申请

US20040079108A1 Nitrogen rejection method and apparatus 失效
标题翻译：氮排除方法和装置
公开(公告)号：US20040079108A1
公开(公告)日：2004-04-29
申请号：US10611387
申请日：2003-07-01
发明人： John Douglas Oakey
IPC分类号： F25J003/00
CPC分类号： F25J3/0257 , F25J3/0209 , F25J3/0233 , F25J2200/06 , F25J2200/50 , F25J2200/72 , F25J2200/78 , F25J2205/04 , F25J2230/42 , F25J2235/60 , F25J2245/42 , F25J2270/02 , F25J2270/42 , F25J2280/02 , Y02E50/343 , Y10S62/927
摘要： Nitrogen is rejected from a feed gas stream comprising methane and nitrogen so as to form a methane product. The feed gas is separated in a double rectification column comprising a higher pressure rectification column 14, a lower pressure rectification column 16, and a condenser-reboiler 18. Product methane is withdrawn from the column 16 by a pump 42 and is vaporised. A flow of gas is recycled from the column 16 to the column 14, being warmed in main heat exchanger 4. A first part of the warmed recycle gas being compressed in compressor 48 to a first pressure and introduced into the higher pressure rectification column 14. A second part of the warmed recycle gas is compressed in the compressor 48 and condensed in a second condenser-reboiler associated with an intermediate main exchange region of the lower pressure column 16 and is returned to the higher pressure rectification column 14.
摘要翻译：从包含甲烷和氮气的进料气流中排出氮气以形成甲烷产物。进料气体在包括高压精馏塔14，低压精馏塔16和冷凝器再沸器18的双精馏塔中分离。产物甲烷通过泵42从塔16中排出并蒸发。气体流从塔16再循环到塔14中，在主热交换器4中加热。加热的循环气体的第一部分在压缩机48中被压缩至第一压力并被引入高压精馏塔14。加热的循环气体的第二部分在压缩机48中被压缩并在与低压塔16的中间主交换区相关联的第二冷凝器 - 再沸器中冷凝并返回到高压精馏塔14。

9. 发明授权

US6119482A Combined plant of a furnace and an air distillation device, and implementation process 失效
标题翻译：组合炉和空气蒸馏装置，实施过程
公开(公告)号：US6119482A
公开(公告)日：2000-09-19
申请号：US236271
申请日：1999-01-22
申请人： Oswaldo Bianchi , Alain Guillard
发明人： Oswaldo Bianchi , Alain Guillard
IPC分类号： C21B5/00 , F25J3/04 , F25J3/00
CPC分类号： C21B5/00 , F25J3/04018 , F25J3/04024 , F25J3/04054 , F25J3/04121 , F25J3/04127 , F25J3/04139 , F25J3/04145 , F25J3/04303 , F25J3/04381 , F25J3/04466 , F25J3/04557 , F25J3/04575 , F25J3/046 , F25J2200/06 , F25J2230/42 , F25J2235/50
摘要： The combined plant comprises at least one furnace (FM) fed by a blowing machine (S), at least one air distillation device containing at least one medium-pressure column (MP) and a mixing column (CM) which has an oxygen outlet line (O) to feed the furnace (FM), the distillation device being fed via the blowing engine (S), at least the compressed air directed to the mixing column (CM) being given a positive pressure in at least one compressor-turbine group (C2-T2), the turbine (T2) of which is located in a circuit (Fi) for a pressurized fluid which is available at the plant site, for example steam or a gas originating from the furnace.
摘要翻译：合并后的植物包括由吹风机（S）供给的至少一个炉（FM），至少一个包含至少一个中压塔（MP）和混合塔（CM）的空气蒸馏装置，该混合塔具有氧气出口管线（O）进料炉（FM），蒸馏装置通过吹塑发动机（S）进料，至少一个被引导到混合塔（CM）的压缩空气在至少一个压缩机 - 涡轮机组中被给予正压（C2-T2），其涡轮机（T2）位于用于在工厂现场可用的加压流体的回路（Fi），例如蒸汽或源自炉的气体。

10. 发明授权

US5638698A Cryogenic system for producing nitrogen 失效
标题翻译：用于生产氮的低温系统
公开(公告)号：US5638698A
公开(公告)日：1997-06-17
申请号：US701372
申请日：1996-08-22
申请人： Mary Anne Knight , James Joseph Maloney
发明人： Mary Anne Knight , James Joseph Maloney
IPC分类号： B01D5/00 , B01D8/00 , C01B21/04 , F25J3/06 , F25J3/08
CPC分类号： F25J3/08 , B01D5/0027 , B01D8/00 , C01B21/0433 , C01B2210/0068 , F25J2200/02 , F25J2205/02 , F25J2205/20 , F25J2205/60 , F25J2210/04 , F25J2210/42 , F25J2215/02 , F25J2215/42 , F25J2230/42 , F25J2245/42 , F25J2270/904 , Y10S62/913 , Y10S62/927
摘要： A system for processing nitrogen-containing effluent from an industrial process wherein the effluent is cooled and liquid nitrogen is added directly to the cooled effluent. The direct contact and heat exchange produces gaseous nitrogen and liquid organics which are both used to cool the effluent and are subsequently recovered.
摘要翻译：一种用于处理来自工业过程的含氮流出物的系统，其中将流出物冷却并将液氮直接加入到冷却的流出物中。直接接触和热交换产生气态氮和液体有机物，其都用于冷却流出物并随后回收。

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