公开(公告)号：US20230168031A1

公开(公告)日：2023-06-01

申请号：US18060783

申请日：2022-12-01

申请人： Zeine, Inc.

发明人： Hatem I. Zeine

IPC分类号： F25J3/04 ,  C01B13/02 ,  B03C1/033 ,  B03C1/30 ,  B03C1/28

CPC分类号： F25J3/04636 ,  C01B13/0248 ,  B03C1/0332 ,  B03C1/30 ,  B03C1/288 ,  F25J3/04024 ,  F25J3/04163 ,  B03C2201/16 ,  F25J2205/86 ,  F25J2210/40 ,  F25J2215/50 ,  F25J2230/08 ,  F25J2230/20

摘要： A system for extracting oxygen from a fluid includes a separator allowing a fluid to pass lengthwise through the separator to produce a mixture with the fluid having at least a portion of oxygen removed from the fluid. The separator includes a wall surrounding an interior portion of a tube. The wall has at least one aperture formed in the wall. The separator also includes at least one magnet positioned adjacently to the at least one aperture. The magnet has a north pole end and a south pole end. A magnetic field gradient is formed between the north pole end and the south pole end, and extends into an interior portion of the tube. The system also includes a storage tank fluidly coupled to the at least one aperture for storing the at least a portion of the oxygen removed from the fluid via the separator.

公开(公告)号：US20180149426A1

公开(公告)日：2018-05-31

申请号：US15817977

申请日：2017-11-20

申请人： L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude

发明人： Jian-Wei CAO ,  Xin ZHAO

IPC分类号： F25J3/04

CPC分类号： F25J3/04412 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/04218 ,  F25J3/0423 ,  F25J3/04303 ,  F25J3/04315 ,  F25J3/04787 ,  F25J3/04969 ,  F25J2200/06 ,  F25J2210/40 ,  F25J2215/44

摘要： The object of the present invention is to provide a different solution for revamping existing producing apparatuses so as to increase the production of low pressure pure nitrogen while controlling as far as possible the capital and operation expenditures. The revamping solution comprises increasing the diameter and/or height of a pure nitrogen column to thereby improve the production capacity thereof; choosing to switch the conduits where the waste liquid nitrogen and pure liquid nitrogen are passed through in the subcooler according to the increment of the low pressure pure nitrogen production; adding an additional heat exchanger to conduct a heat exchange between a portion of the medium pressure air and the increased low pressure pure nitrogen; or simultaneously switching the main parts of the conduits which transfer the pure liquid nitrogen and waste liquid nitrogen from a first column of higher pressure to a second column of lower pressure while performing the above revamping. The stepwise revamping solution of the present invention can be used not only to control the cost but also increase the low pressure pure nitrogen production while ensuring a stable operation of the air separation unit.

公开(公告)号：US09976803B2

公开(公告)日：2018-05-22

申请号：US15022314

申请日：2014-09-09

申请人： L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude

发明人： Alexis Asse ,  Ingrid Berthaume ,  Alain Briglia ,  Richard Dubettier-Grenier ,  Patrick Le Bot ,  Jean-Marc Peyron

IPC分类号： F25J3/00 ,  F25J3/04

CPC分类号： F25J3/04412 ,  F25J3/04024 ,  F25J3/04054 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04218 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04309 ,  F25J3/04381 ,  F25J3/04387 ,  F25J3/04393 ,  F25J3/04775 ,  F25J3/04781 ,  F25J2210/06 ,  F25J2230/08 ,  F25J2230/20 ,  F25J2230/24 ,  F25J2230/30 ,  F25J2230/40 ,  F25J2240/10

摘要： Process for producing gaseous oxygen by cryogenic distillation of air, wherein a portion of the feed air flow is brought to a pressure P1, by means of a first compressor, the suction temperature T0 of which is between 0 and 50° C., the gas at the pressure P1 is cooled, in order to generate an air stream at the pressure P1 and the temperature T1 between 5 and 45° C., a portion of the air compressed in the first compressor undergoes an additional compression step starting from the temperature T1 and pressure P1 to a pressure P2 greater than P1, then is cooled, to the temperature T2 where T2 and T1 differ by less than 10° C.

公开(公告)号：US20170211882A1

公开(公告)日：2017-07-27

申请号：US15328117

申请日：2015-07-23

申请人： LINDE AKTIENGESELLSCHAFT

发明人： Alexander Alekseev

IPC分类号： F25J3/04

CPC分类号： F25J3/04812 ,  F25J3/04024 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04224 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04387 ,  F25J3/04412 ,  F25J3/04496 ,  F25J2205/24 ,  F25J2210/06 ,  F25J2230/30 ,  F25J2230/40 ,  F25J2230/42 ,  F25J2235/02 ,  F25J2235/42 ,  F25J2235/50 ,  F25J2240/10 ,  F25J2245/40 ,  F25J2245/42 ,  F25J2270/02 ,  F25J2270/08 ,  F25J2280/02

摘要： A method for producing an air product in an air separation plant. Feed air is cooled at least in a main air compressor and is fed into a distillation column system. A fluid storage unit and a cold accumulator are used. In a first operating mode, fluid is stored in the fluid storage unit and the cold accumulator is heated. In a third operating mode, fluid is released and the cold accumulator is cooled, and in a second operating mode, fluid is neither stored nor released.

公开(公告)号：US09518778B2

公开(公告)日：2016-12-13

申请号：US13726679

申请日：2012-12-26

申请人： Jeremiah J. Rauch ,  Catherine B. Sarigiannis ,  Andrew M. Warta ,  Sophia J. Dowd

发明人： Jeremiah J. Rauch ,  Catherine B. Sarigiannis ,  Andrew M. Warta ,  Sophia J. Dowd

IPC分类号： F25J3/00 ,  F25J3/04

CPC分类号： F25J3/04781 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04412 ,  F25J3/04812 ,  F25J3/04824 ,  F25J2220/40 ,  F25J2230/40 ,  F25J2240/42

摘要： A method and apparatus for separating air in which production of the liquid products can be selectively varied between high and low production rates by varying the pressure ratio across a turboexpander used in imparting refrigeration with the use of a branched flow path. The branched flow path has a system of valves to selectively and gradually introduce a compressed refrigerant air stream into either a booster compressor branch having a booster compressor to increase the pressure ratio during high modes of liquid production or a bypass branch that bypasses the booster compressor to decrease the pressure ratio during low modes of liquid production. A recycle branch is connected to the booster compressor branch to allow compressed air to be independently recycled from the outlet to the inlet of the booster compressor during turndown from the high to the low liquid mode of liquid production to prevent surge.

摘要翻译： 一种用于分离空气的方法和装置，其中通过改变用于赋予制冷的涡轮膨胀机与使用分支流动路径的压力比，可以在高生产率和低生产率之间选择性地改变液体产物的生产。 分支流路具有阀系统，以选择性地并逐渐地将压缩的制冷剂空气流引导到具有增压压缩机的增压压缩机分支中，以在液体生产的高模式期间增加压力比，或者绕过增压压缩机的旁路分支 在液体生产的低模式下降低压力比。 再循环分支连接到增压压缩机分支，以允许压缩空气在从液体生产的高液体模式到低液体模式的调节期间独立地从出口延伸到增压压缩机的入口，以防止浪涌。

公开(公告)号：US20150377244A1

公开(公告)日：2015-12-31

申请号：US14843430

申请日：2015-09-02

申请人： Michael J. Stanko ,  John H. Royal ,  Ahmed F. Abdelwahab ,  Carl L. Schwarz

发明人： Michael J. Stanko ,  John H. Royal ,  Ahmed F. Abdelwahab ,  Carl L. Schwarz

IPC分类号： F04D27/00 ,  F04D29/053 ,  F04D29/28 ,  F04D29/46 ,  F04D17/12 ,  F04D25/06

CPC分类号： F04D27/004 ,  F04B37/08 ,  F04B49/06 ,  F04B49/103 ,  F04B49/20 ,  F04C28/14 ,  F04D17/122 ,  F04D25/06 ,  F04D27/0246 ,  F04D27/0261 ,  F04D27/0269 ,  F04D27/0284 ,  F04D29/053 ,  F04D29/286 ,  F04D29/462 ,  F04D29/464 ,  F04D29/668 ,  F25J3/04018 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/04133 ,  F25J3/0429 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04412 ,  F25J3/04678 ,  F25J3/04781 ,  F25J3/04884 ,  F25J3/04957 ,  F25J2230/20 ,  F25J2230/24 ,  F25J2230/40 ,  F25J2250/02

摘要： A compression train system and method for compressing air for an air separation unit is provided. The system includes at least one initial air compressor configured to receive and compress a flow of ambient pressure air and driven by a variable speed motor. The system further includes a plurality of downstream compressors or compression turbo-machines disposed in a series arrangement with the at least one initial compression stage. The desired flow rates to the compression system is controlled by adjusting the speed of the variable speed motor and the position of inlet guide vanes to increase or decrease the flow rate of the ambient pressure air and keep the speed of the variable speed motor above or below a restricted speed zone.

摘要翻译： 提供了一种用于压缩空气分离单元的空气压缩系统和方法。 该系统包括至少一个初始空气压缩机，其构造成接收和压缩由可变速电动机驱动的环境压力空气流。 该系统还包括多个下游压缩机或压缩涡轮机，其设置成具有至少一个初始压缩级的串联装置。 通过调节变速马达的速度和入口引导叶片的位置来控制对压缩系统的期望流速，以增加或减少环境压力空气的流量并将变速马达的速度保持在或高于 限速区。

公开(公告)号：US09038413B2

公开(公告)日：2015-05-26

申请号：US13205196

申请日：2011-08-08

申请人： Henry Edward Howard ,  Richard John Jibb

发明人： Henry Edward Howard ,  Richard John Jibb

IPC分类号： F23J3/00 ,  F25J3/04 ,  F25J5/00

CPC分类号： F25J3/04787 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/0423 ,  F25J3/0429 ,  F25J3/04296 ,  F25J3/04303 ,  F25J3/04345 ,  F25J3/04412 ,  F25J3/04781 ,  F25J3/04812 ,  F25J5/002 ,  F25J2210/04 ,  F25J2240/42 ,  F25J2245/40 ,  F25J2290/42 ,  Y10S62/901 ,  Y10S62/903

摘要： Separation method and apparatus for separating a gaseous mixture, for example, air, in a cryogenic rectification plant in which a compressed stream is divided into subsidiary streams that are extracted from a main heat exchanger of the plant at higher and lower temperatures. The two streams are then combined and expanded in a turboexpander to generate refrigeration for the plant. The flow rates of the two streams are adjusted to control inlet temperature of a turboexpander supplying plant refrigeration and to minimize potential deviation of the turboexpander exhaust from a saturated vapor state. Control of the expansion ratio can advantageously be applied to allow variable liquid production from the rectification plant.

摘要翻译： 在低温精馏装置中分离气体混合物例如空气的分离方法和装置，其中压缩流被分成在较高和较低温度下从设备的主热交换器中提取的副流。 然后将两股流在涡轮膨胀机中组合并膨胀以产生用于该设备的冷冻。 调节两个流的流速以控制涡轮膨胀机供应设备制冷的入口温度，并使涡轮膨胀机排气从饱和蒸汽状态的潜在偏差降到最小。 膨胀比的控制可以有利地应用于允许来自精馏装置的可变液体生产。

公开(公告)号：US20140283550A1

公开(公告)日：2014-09-25

申请号：US14359305

申请日：2012-11-23

申请人： L'Air Liquide, Societe Anonyme Pour I'Etude et I'Exploitation des Procedes Georges Claude

发明人： Frederic Bonne ,  Nicolas Foirien ,  Alain Guillard

IPC分类号： F25J3/04

CPC分类号： F25J3/04 ,  F25J3/04018 ,  F25J3/04024 ,  F25J3/04054 ,  F25J3/0409 ,  F25J3/04133 ,  F25J3/0429 ,  F25J3/04296 ,  F25J3/04412 ,  F25J3/04466 ,  F25J3/04812 ,  F25J2200/06 ,  F25J2235/50

摘要： An installation for separating air by cryogenic distillation comprises a compressor, a heat-exchange line, a system of columns, an electric motor for driving the compressor, a pipe for taking off a liquid from the system of columns, a pump for pressurising the liquid drawn off and means for affording an exchange of heat between the air compressed by the compressor and the liquid pressurised by the pump and means for reducing the output pressure of the pump according to the frequency of the electricity supplying the electric motor.

摘要翻译： 用于通过低温蒸馏分离空气的装置包括压缩机，热交换管线，柱系统，用于驱动压缩机的电动机，用于从柱系统中取出液体的管，用于对液体进行加压的泵 抽出的装置和用于在由压缩机压缩的空气和由泵加压的液体之间进行热交换的装置和用于根据供应电动机的电力的频率降低泵的输出压力的装置。

公开(公告)号：US20140260422A1

公开(公告)日：2014-09-18

申请号：US14291569

申请日：2014-05-30

申请人： L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude

发明人： Jean-Renaud BRUGEROLLE ,  Bao HA

IPC分类号： F25J3/04

CPC分类号： F25J3/04012 ,  F25J3/04 ,  F25J3/04018 ,  F25J3/04024 ,  F25J3/04054 ,  F25J3/04084 ,  F25J3/0409 ,  F25J3/04109 ,  F25J3/04187 ,  F25J3/042 ,  F25J3/04254 ,  F25J3/04296 ,  F25J3/04381 ,  F25J3/04393 ,  F25J3/04412 ,  F25J3/04496 ,  F25J3/04812 ,  F25J3/04836 ,  F25J2200/06 ,  F25J2210/06 ,  F25J2210/40 ,  F25J2210/42 ,  F25J2210/50 ,  F25J2230/08

摘要： A compressed air stream is cooled in an exchanger to form a compressed cooled air stream. The stream is then cryogenically compressed in a first compressor to form a first pressurized gas stream. The first pressurized gas stream is further cooled in the exchanger, cryogenically compressed in a second compressor, and then it is cooled and partially liquefied. The cooled and partially liquefied product is then fed to a system of distillation columns. A liquid product is removed from the system of distillation columns. This product is then pressurized, vaporized and warmed in the exchanger to yield pressurized gaseous product.

摘要翻译： 压缩空气流在交换器中冷却以形成压缩的冷却空气流。 然后将流在第一压缩机中低温压缩以形成第一加压气流。 第一加压气流在交换器中进一步冷却，在第二压缩机中进行低温压缩，然后将其冷却并部分液化。 然后将冷却和部分液化的产物进料到蒸馏塔系统。 从蒸馏塔系统中取出液体产物。 然后将该产物在交换器中加压，蒸发和加热以产生加压的气态产物。

公开(公告)号：US20140174123A1

公开(公告)日：2014-06-26

申请号：US13726679

申请日：2012-12-26

申请人： Jeremiah J. Rauch ,  Catherine B. Sarigiannis ,  Andrew M. Warta ,  Sophia J. Dowd

发明人： Jeremiah J. Rauch ,  Catherine B. Sarigiannis ,  Andrew M. Warta ,  Sophia J. Dowd

IPC分类号： F25J3/04

CPC分类号： F25J3/04781 ,  F25J3/04024 ,  F25J3/0409 ,  F25J3/04175 ,  F25J3/04296 ,  F25J3/04412 ,  F25J3/04812 ,  F25J3/04824 ,  F25J2220/40 ,  F25J2230/40 ,  F25J2240/42

摘要： A method and apparatus for separating air in which production of the liquid products can be selectively varied between high and low production rates by varying the pressure ratio across a turboexpander used in imparting refrigeration with the use of a branched flow path. The branched flow path has a system of valves to selectively and gradually introduce a compressed refrigerant air stream into either a booster compressor branch having a booster compressor to increase the pressure ratio during high modes of liquid production or a bypass branch that bypasses the booster compressor to decrease the pressure ratio during low modes of liquid production. A recycle branch is connected to the booster compressor branch to allow compressed air to be independently recycled from the outlet to the inlet of the booster compressor during turndown from the high to the low liquid mode of liquid production to prevent surge.

摘要翻译： 一种用于分离空气的方法和装置，其中通过改变用于赋予制冷的涡轮膨胀机与使用分支流动路径的压力比，可以在高生产率和低生产率之间选择性地改变液体产物的生产。 分支流路具有阀系统，以选择性地并逐渐地将压缩的制冷剂空气流引导到具有增压压缩机的增压压缩机分支中，以在液体生产的高模式期间增加压力比，或者绕过增压压缩机的旁路分支 在液体生产的低模式下降低压力比。 再循环分支连接到增压压缩机分支，以允许压缩空气在从液体生产的高液体模式到低液体模式的调节期间独立地从出口延伸到增压压缩机的入口，以防止浪涌。