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公开(公告)号：US20110036121A1
公开(公告)日：2011-02-17
申请号：US12540903
申请日：2009-08-13
CPC分类号： F25J1/0022 , F25J1/005 , F25J1/0072 , F25J1/0204 , F25J1/025 , F25J1/0265 , F25J1/0279 , F25J2210/06 , F25J2220/44 , F25J2220/62 , F25J2270/16
摘要： A system and method for removal of a contaminant comprising removing a liquefied portion of a refrigerant stream comprising nitrogen from a reverse Brayton cycle refrigerant system, introducing the liquefied refrigerant stream into a contaminant removal column as a reflux stream removing a contaminant stream from the bottom of the contaminant removal column, removing a vapor stream enriched in nitrogen from the top of the contaminant removal column, and introducing the vapor stream enriched in nitrogen back into the reverse Brayton cycle refrigerant system.
摘要翻译： 一种用于去除污染物的系统和方法，包括从反向布雷顿循环制冷剂系统中除去包含氮气的制冷剂流的液化部分，将液化的制冷剂流作为回流流引入污染物去除塔，从其底部除去污染物流 污染物去除塔，从污染物去除塔的顶部除去富含氮气的蒸气流，并将富含氮气的蒸汽流引回到反向布雷顿循环制冷剂系统中。
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公开(公告)号：US20090025422A1
公开(公告)日：2009-01-29
申请号：US11782990
申请日：2007-07-25
IPC分类号： F25J1/00
CPC分类号： F25J1/0249 , F25J1/0022 , F25J1/0055 , F25J1/0244 , F25J1/0292
摘要： A gas liquefaction process, especially for producing LNG, maintains product flow rate and temperature by controlling the refrigeration so that variation to reduce any difference between actual and required product temperatures is initiated before variation of the product flow rate to reduce any difference between actual and required flow rates.
摘要翻译： 特别是用于生产LNG的气体液化过程通过控制制冷来保持产品流速和温度，从而在产品流量变化之前启动实际和所需产品温度之间差异的变化，以减少实际和所需产品之间的差异 流量。
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公开(公告)号：US07127914B2
公开(公告)日：2006-10-31
申请号：US10664336
申请日：2003-09-17
CPC分类号： F25J1/0072 , F25J1/0022 , F25J1/005 , F25J1/0052 , F25J1/0097 , F25J1/0217 , F25J1/0218 , F25J1/0267 , F25J1/0268 , F25J1/0274 , F25J1/0291 , F25J1/0292 , F25J2220/62 , F25J2220/64 , F25J2245/02 , F25J2270/16
摘要： Method for gas liquefaction comprising cooling a feed gas by a first refrigeration system in a first heat exchange zone and withdrawing a substantially liquefied stream therefrom, further cooling the substantially liquefied stream by indirect heat exchange with one or more work-expanded refrigerant streams in a second heat exchange zone, and withdrawing therefrom a further cooled, substantially liquefied stream. At least one of the one or more work-expanded refrigerant streams is provided by compressing one or more refrigerant gases to provide a compressed refrigerant stream, cooling all or a portion of the compressed refrigerant stream in a third heat exchange zone to provide a cooled, compressed refrigerant stream, and work expanding the cooled, compressed refrigerant stream to provide one of the one or more work-expanded refrigerant streams. The flow rate of a work-expanded refrigerant stream in the second heat exchange zone typically is less than the total flow rate of one or more work-expanded refrigerant streams in the third heat exchange zone.
摘要翻译： 用于气体液化的方法，包括通过第一热交换区域中的第一制冷系统冷却进料气体并从其中排出基本上液化的物流，通过在一秒钟内与一个或多个工作膨胀的制冷剂流间接热交换进一步冷却基本上液化的流 热交换区，并从其中抽出进一步冷却的基本上液化的物流。 一个或多个工作膨胀的制冷剂流中的至少一个通过压缩一个或多个制冷剂气体以提供压缩的制冷剂流来提供，在第三热交换区域中冷却压缩的制冷剂流的全部或一部分，以提供冷却的， 压缩的制冷剂流，并且对冷却的压缩的制冷剂流进行扩展，以提供一个或多个工作膨胀的制冷剂流中的一个。 第二热交换区中的工作膨胀的制冷剂流的流量通常小于第三热交换区中的一个或多个工作膨胀的制冷剂流的总流量。
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4.发明授权Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigeration 有权使用闭环气体膨胀机制冷分离氢 - 烃气体混合物公开(公告)号：US06560989B1
公开(公告)日：2003-05-13
申请号：US10165654
申请日：2002-06-07
申请人： Mark Julian Roberts , Christopher Francis Harris , Christopher Michael Ott , Howard Charles Rowles , Daniel Lewis Longhurst , Brian Alfred McNeil
发明人： Mark Julian Roberts , Christopher Francis Harris , Christopher Michael Ott , Howard Charles Rowles , Daniel Lewis Longhurst , Brian Alfred McNeil
IPC分类号： F25J300
CPC分类号： F25J3/0252 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J2200/02 , F25J2200/70 , F25J2205/04 , F25J2210/12 , F25J2235/60 , F25J2270/02 , F25J2270/12 , F25J2270/16 , F25J2270/42 , F25J2270/60 , F25J2270/66 , Y10S62/912 , Y10S62/932
摘要： A method for the recovery of hydrogen and one or more hydrocarbons having one or more carbon atoms from a feed gas containing hydrogen and the one or more hydrocarbons, which process comprises cooling and partially condensing the feed gas to provide a partially condensed feed; separating the partially condensed feed to provide a first liquid stream enriched in the one or more hydrocarbons and a first vapor stream enriched in hydrogen; further cooling and partially condensing the first vapor stream to provide an intermediate two-phase stream; and separating the intermediate two-phase stream to yield a further-enriched hydrogen stream and a hydrogen-depleted residual hydrocarbon stream. Some or all of the cooling is provided by indirect heat exchange with cold gas refrigerant generated in a closed-loop gas expander refrigeration cycle.
摘要翻译： 一种从含有氢气和一种或多种烃的进料气中回收氢气和一种或多种具有一个或多个碳原子的烃的方法，该方法包括冷却并部分冷凝进料气体以提供部分冷凝的进料; 分离部分冷凝的进料以提供富含一种或多种烃的第一液态物流和富含氢的第一蒸气物流; 进一步冷却和部分冷凝第一蒸气流以提供中间两相流; 并分离中间两相流以产生进一步富集的氢气流和贫氢的残余烃流。 通过与在闭环气体膨胀机制冷循环中产生的冷气体制冷剂进行间接热交换来提供部分或全部冷却。
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公开(公告)号：US06347531B1
公开(公告)日：2002-02-19
申请号：US09415636
申请日：1999-10-12
IPC分类号： F25J300
CPC分类号： F25J1/0055 , F25J1/0022 , F25J1/0212 , F25J1/0291 , F25J1/0292 , F25J2220/60
摘要： A method of gas liquefaction wherein the refrigeration to cool and liquefy an essentially water-free feed gas is provided by a single recirculating mixed refrigerant cycle in which refrigeration is provided by the vaporization of two mixed refrigerant streams of different compositions at a lower and higher pressure levels respectively. A lower pressure level vaporizing refrigerant cools the feed gas stream in a first cooling zone and a higher pressure level vaporizing refrigerant further cools and condenses the cooled gas in a second cooling zone to provide the final liquid product. The lower pressure level vaporizing refrigerant is provided by one or more liquids obtained by ambient cooling of compressed mixed refrigerant vapor. The vaporized lower pressure level refrigerant can be returned to the refrigerant compressor at a temperature below ambient, without further warming, and this cool refrigerant is compressed and combined with the vaporized higher pressure level refrigerant, which is returned at about ambient temperature.
摘要翻译： 一种气体液化方法，其中用于冷却和液化基本上无水的进料气体的制冷是通过单个循环混合制冷剂循环提供的，其中通过在较低和较高压力下蒸发不同组成的两种混合制冷剂流来提供制冷 级别。 较低压力水平的蒸发制冷剂在第一冷却区域中冷却进料气流，并且较高压力水平的蒸发制冷剂进一步冷却并冷凝第二冷却区中的冷却气体以提供最终的液体产物。 低压级蒸发制冷剂由通过压缩混合制冷剂蒸汽的环境冷却而获得的一种或多种液体提供。 蒸发的低压级制冷剂可以在低于环境温度的温度下返回到制冷剂压缩机，而不会进一步升温，并且该冷却的制冷剂被压缩并与在大约环境温度下返回的蒸发的高压级制冷剂组合。
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公开(公告)号：US06266977B1
公开(公告)日：2001-07-31
申请号：US09552927
申请日：2000-04-19
IPC分类号： F25J100
CPC分类号： F25J3/0242 , F25J3/0219 , F25J3/0238 , F25J2200/80 , F25J2205/02 , F25J2210/12 , F25J2235/60 , F25J2270/14 , F25J2270/16 , F25J2270/40 , F25J2270/42 , F25J2270/60 , F25J2270/66 , Y10S62/912
摘要： C2 and C3 hydrocarbons, particularly ethylene and propylene, are recovered from refinery or petrochemical plant gas mixtures by cooling and fractionating a feed gas mixture containing these hydrocarbons and lighter components. Refrigeration for the process is provided by a closed-loop gas expander refrigeration process cycle which preferably uses nitrogen as the recirculating refrigerant. Cooling and fractionation may be effected in a dephlegmator.
摘要翻译： 通过冷却和分馏含有这些烃和较轻组分的进料气体混合物，从精炼厂或石油化工厂气体混合物中回收C2和C3烃，特别是乙烯和丙烯。 该方法的制冷通过闭环气体膨胀器制冷工艺循环提供，该循环优选使用氮气作为循环制冷剂。 冷却和分馏可以在分凝器中进行。
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公开(公告)号：US6119479A
公开(公告)日：2000-09-19
申请号：US208562
申请日：1998-12-09
CPC分类号： F25J1/0022 , F25J1/0052 , F25J1/0055 , F25J1/0097 , F25J1/0214 , F25J1/0231 , F25J1/0267 , F25J1/0278 , F25J1/0291 , F25J1/0292 , F25J2220/62 , F25J2220/64 , F25J2245/02
摘要： Process and system for liquefying a pressurized gas, especially natural gas. The process is carried out in two heat exchangers, and cooling for each heat exchanger is provided by a mixed refrigerant which is vaporized at a single essentially constant pressure. Feed precooling, low level refrigerant precooling, and high level liquid refrigerant subcooling are effected in one of the heat exchanger against low level refrigerant vaporizing at a single essentially constant pressure. The process and system of the invention are especially well-suited for installation on ships, barges, and offshore platforms.
摘要翻译： 用于液化加压气体，特别是天然气的方法和系统。 该方法在两个热交换器中进行，每个热交换器的冷却由在单个基本恒定的压力下汽化的混合制冷剂提供。 进料预冷却，低水平制冷剂预冷却和高液位制冷剂过冷却在一个热交换器中进行，以低压制冷剂在单个基本恒定的压力下蒸发。 本发明的方法和系统特别适用于船舶，驳船和海上平台上的安装。
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8.发明授权
公开(公告)号：US5916261A
公开(公告)日：1999-06-29
申请号：US53751
申请日：1998-04-02
IPC分类号： F25J3/04
CPC分类号： F25J3/04412 , F25J3/04709 , F25J2200/54 , F25J2205/02 , F25J2250/20 , Y10S62/924
摘要： A cryogenic rectification system for producing argon employing an argon stripping column which receives a feed in its upper portion from an associated cryogenic air separation plant, and which is reboiled by another fluid taken from the cryogenic air separation plant.
摘要翻译： 一种使用氩气汽提塔生产氩气的低温精馏系统，其从相关联的低温空气分离装置接收其上部的进料，并且由从低温空气分离装置获取的另一流体再沸腾。
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公开(公告)号：US09671161B2
公开(公告)日：2017-06-06
申请号：US13314882
申请日：2011-12-08
CPC分类号： F25J1/0249 , F25J1/0022 , F25J1/0055 , F25J1/0244 , F25J1/0292
摘要： A gas liquefaction process, especially for producing LNG, maintains product flow rate and temperature by controlling the refrigeration so that variation to reduce any difference between actual and required product temperatures is initiated before variation of the product flow rate to reduce any difference between actual and required flow rates.
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公开(公告)号：US20120079850A1
公开(公告)日：2012-04-05
申请号：US13314882
申请日：2011-12-08
IPC分类号： F25J1/00
CPC分类号： F25J1/0249 , F25J1/0022 , F25J1/0055 , F25J1/0244 , F25J1/0292
摘要： A gas liquefaction process, especially for producing LNG, maintains product flow rate and temperature by controlling the refrigeration so that variation to reduce any difference between actual and required product temperatures is initiated before variation of the product flow rate to reduce any difference between actual and required flow rates.
摘要翻译： 特别是用于生产LNG的气体液化过程通过控制制冷来保持产品流速和温度，从而在产品流量变化之前启动实际和所需产品温度之间的差异，以减少实际和所需产品温度之间的差异 流量。
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