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公开(公告)号：US11933538B2
公开(公告)日：2024-03-19
申请号：US17229919
申请日：2021-04-14
申请人： Brian R. Kromer , Neil M. Prosser
发明人： Brian R. Kromer , Neil M. Prosser
CPC分类号： F25J3/04054 , F25J3/0295 , F25J3/0406 , F25J3/04066 , F25J3/04072 , F25J3/04127 , F25J3/04212 , F25J3/04242 , F25J3/04454 , F25J2235/50 , F25J2260/20
摘要： A moderate pressure nitrogen and argon producing cryogenic air separation unit is provided that includes a three distillation column system and turbine air stream bypass arrangement or circuit. The turbine air stream bypass arrangement or circuit is configured to improve argon and nitrogen recoveries in select operating modes by optionally diverting a portion of the turbine air stream to a nitrogen waste stream circuit drawn from the lower pressure column of the cryogenic air separation unit such that the diverted portion of the turbine air stream bypasses the distillation column system.
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公开(公告)号：US20190203643A1
公开(公告)日：2019-07-04
申请号：US16297001
申请日：2019-03-08
CPC分类号： F02C3/34 , F02C1/06 , F02C3/305 , F02C6/02 , F02C7/224 , F05D2220/76 , F05D2260/61 , F23L7/007 , F25J3/04018 , F25J3/04066 , Y02E20/16
摘要： The present disclosure relates to systems and methods for power production utilizing an ion transfer membrane (ITM) unit. An air stream and a fuel stream can be passed through the ITM unit so that the fuel is at least partially oxidized or combusted to form an outlet stream comprising CO2. The CO2 stream can be compressed and expanded to generate power.
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公开(公告)号：US20100287986A1
公开(公告)日：2010-11-18
申请号：US12842098
申请日：2010-07-23
IPC分类号： F25J3/00
CPC分类号： F25J3/04018 , F25J3/04066 , F25J3/0409 , F25J3/04218 , F25J3/04296 , F25J3/04303 , F25J3/04309 , F25J3/04315 , F25J3/04412 , F25J5/002 , F25J2290/10 , F28D9/0062 , F28F3/025
摘要： The present invention relates to an air separation apparatus and method in which a pumped liquid oxygen stream is heated within a heat exchanger through indirect heat exchange with compressed air to produce an oxygen product. The liquid oxygen stream is pressurized in a range above about 55 bar(a) and no greater than about 150 bar(a) and is a supercritical fluid after having been heated within the heat exchanger. The air is compressed to an air pressure that is a function of the oxygen pressure that will result in a minimum power being expended in the compression of the air. The heat exchanger can be a brazed fin heat exchanger fabricated from aluminum in which the fins located in heat exchange passages have an undulating configuration to increase the flow path length and induce flow separation and thereby increase the heat transfer coefficient within the heat exchanger.
摘要翻译： 本发明涉及一种空气分离装置和方法，其中泵送的液氧流在热交换器内通过与压缩空气的间接热交换而被加热以产生氧产物。 液氧流在高于约55巴（a）和不大于约150巴（a）的范围内加压，并且是在热交换器中被加热之后的超临界流体。 空气被压缩到作为氧气压力的函数的空气压力，这将导致在压缩空气中消耗的最小功率。 热交换器可以是由铝制成的钎焊翅片热交换器，其中位于热交换通道中的翅片具有波形构型以增加流路长度并引起流动分离，从而增加热交换器内的传热系数。
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公开(公告)号：US08726691B2
公开(公告)日：2014-05-20
申请号：US12842098
申请日：2010-07-23
IPC分类号： F25J3/00
CPC分类号： F25J3/04018 , F25J3/04066 , F25J3/0409 , F25J3/04218 , F25J3/04296 , F25J3/04303 , F25J3/04309 , F25J3/04315 , F25J3/04412 , F25J5/002 , F25J2290/10 , F28D9/0062 , F28F3/025
摘要： The present invention relates to an air separation apparatus and method in which a pumped liquid oxygen stream is heated within a heat exchanger through indirect heat exchange with compressed air to produce an oxygen product. The liquid oxygen stream is pressurized in a range above about 55 bar(a) and no greater than about 150 bar(a) and is a supercritical fluid after having been heated within the heat exchanger. The air is compressed to an air pressure that is a function of the oxygen pressure that will result in a minimum power being expended in the compression of the air. The heat exchanger can be a brazed fin heat exchanger fabricated from aluminum in which the fins located in heat exchange passages have an undulating configuration to increase the flow path length and induce flow separation and thereby increase the heat transfer coefficient within the heat exchanger.
摘要翻译： 本发明涉及一种空气分离装置和方法，其中泵送的液氧流在热交换器内通过与压缩空气的间接热交换而被加热以产生氧产物。 液氧流在高于约55巴（a）和不大于约150巴（a）的范围内加压，并且是在热交换器中被加热之后的超临界流体。 空气被压缩到作为氧气压力的函数的空气压力，这将导致在压缩空气中消耗的最小功率。 热交换器可以是由铝制成的钎焊翅片热交换器，其中位于热交换通道中的翅片具有波形构型以增加流路长度并引起流动分离，从而增加热交换器内的传热系数。
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5.发明申请METHOD AND INTEGRATED DEVICE FOR SEPARATING AIR AND HEATING AN AIR GAS ORIGINATING FROM AN AIR SEPARATION DEVICE 有权用于分离空气并加热由空气分离装置引起的空气的方法和集成装置公开(公告)号：US20120324944A1
公开(公告)日：2012-12-27
申请号：US13583486
申请日：2011-03-03
CPC分类号： F25J3/04533 , F25J3/04018 , F25J3/04066 , F25J3/04157 , F25J3/04181 , F25J3/04521 , F25J3/04545 , F25J3/04612 , F25J3/04618 , F25J2205/70 , F25J2210/06 , F25J2230/06 , F25J2240/70 , F25J2260/02
摘要： The invention relates to an integrated device for separating air and heating a gas in the air resulting from said air separation, comprising: an air separation device (9); a heat exchanger (13, 43); a channel for conveying the gas in the air to the heat exchanger; and a channel for conveying water to the heat exchanger, the water-conveying channel being connected to the water inlet or water outlet of a water preheat exchanger (5) or a water deaerator (27). According to the invention, the preheat exchanger and/or the deaerator are connected to an oxy-combustion boiler (19) in order to convey water to and from the boiler, said boiler also being connected to the separation device in order to receive an oxygen-enriched gas (17).
摘要翻译： 本发明涉及一种用于分离空气并加热由所述空气分离产生的空气中的气体的集成装置，包括：空气分离装置（9）; 热交换器（13,43）; 用于将空气中的气体输送到热交换器的通道; 以及用于将水输送到热交换器的通道，所述输水通道连接到水预热换热器（5）或除水器（27）的进水口或出水口。 根据本发明，预热交换器和/或除氧器连接到氧化燃烧锅炉（19），以便将水输送到锅炉和从锅炉传送水，所述锅炉还连接到分离装置以接收氧气 富含气体（17）。
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6.发明授权Low pollution power generation system with ion transfer membrane air separation 失效低污染发电系统与离子转移膜空气分离公开(公告)号：US06945029B2
公开(公告)日：2005-09-20
申请号：US10716004
申请日：2003-11-17
申请人： Fermin Viteri
发明人： Fermin Viteri
CPC分类号： F02C3/34 , F01K25/005 , F02C1/08 , F02C3/20 , F02C3/30 , F02C6/003 , F02C6/10 , F05D2270/08 , F25J3/04018 , F25J3/04066 , F25J3/04109 , F25J3/04121 , F25J3/04127 , F25J3/04133 , F25J3/04139 , F25J3/04163 , F25J3/04296 , F25J3/04412 , F25J3/04533 , F25J3/04987 , F25J2200/52 , F25J2205/30 , F25J2230/80 , F25J2260/80 , Y02E20/344 , Y02T50/671
摘要： A low or no pollution power generation system is provided. The system has an air separator to collect oxygen. A gas generator is provided with inputs for the oxygen and a hydrocarbon fuel. The fuel and oxygen are combusted within the gas generator, forming water and carbon dioxide. Water or other diluents are also delivered into the gas generator to control temperature of the combustion products. The combustion products are then expanded through at least one turbine or other expander to deliver output power. The combustion products are then passed through a separator where the steam is condensed. A portion of the water is discharged and the remainder is routed back to the gas generator as diluent. The carbon dioxide can be conditioned for sequestration. The system can be optimized by adding multiple expanders, reheaters and water diluent preheaters, and by preheating air for an ion transfer membrane oxygen separation.
摘要翻译： 提供低污染或无污染发电系统。 该系统具有一个空气分离器来收集氧气。 气体发生器具有用于氧气和烃燃料的输入。 燃料和氧气在气体发生器内燃烧，形成水和二氧化碳。 水或其他稀释剂也被输送到气体发生器中以控制燃烧产物的温度。 燃烧产物然后通过至少一个涡轮机或其他膨胀器膨胀以提供输出功率。 燃烧产物然后通过蒸汽冷凝的分离器。 一部分水被排出，其余部分作为稀释剂返回到气体发生器。 二氧化碳可以调节隔离。 可以通过添加多个膨胀器，再热器和水稀释剂预热器以及通过预热空气进行离子转移膜氧分离来优化系统。
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公开(公告)号：US4966002A
公开(公告)日：1990-10-30
申请号：US392816
申请日：1989-08-11
CPC分类号： F25J3/04218 , F25J3/04066 , F25J3/04193 , F25J3/04242 , F25J3/04254 , F25J3/04321 , F25J3/04363 , F25J3/044 , F25J2200/72 , F25J2205/24 , F25J2205/84 , F25J2210/42 , F25J2250/40
摘要： Process for the recovery of nitrogen from air in which gaseous air is compressed, cooled and optionally purified in a heat exchanger, and then distilled to obtain pure gaseous nitrogen overhead and an oxygen enriched liquid bottoms, wherein all of the bottoms and a portion of the overhead is passed to a condenser to form an oxygen enriched gas and liquid nitrogen and wherein at least a portion of the oxygen enriched gas is compressed and recycled to the distillation column to enhance recovery of the nitrogen product.
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公开(公告)号：US5966967A
公开(公告)日：1999-10-19
申请号：US012074
申请日：1998-01-22
CPC分类号： F25J3/04066 , F25J3/04054 , F25J3/0406 , F25J3/0409 , F25J3/04284 , F25J3/04303 , F25J3/04309 , F25J3/04351 , F25J3/04381 , F25J3/04393 , F25J3/04412 , F25J3/04418 , F25J3/04878 , F25J2200/20 , F25J2200/34 , F25J2200/54 , F25J2215/52 , F25J2235/42 , F25J2245/42 , F25J2250/20 , F25J2250/42 , F25J2250/52
摘要： The present invention relates to a process for the cryogenic distillation of air in a distillation column system that contains at least one distillation column wherein the boil-up at the bottom of the distillation column producing the oxygen product is provided by condensing a stream whose nitrogen concentration is equal to or greater than that in the feed air stream. The process of the present invention comprises the steps of: (a) generating work energy which is at least ten percent (10%) of the overall refrigeration demand of the distillation column system; (b) work expanding a process stream to produce additional work energy such that the total work generated along with step (a) exceeds the total refrigeration demand of the cryogenic plant; and (c) using the work which is generated in excess of the refrigeration need of the distillation column system to cold compress a process stream at a temperature lower than the ambient temperature.
摘要翻译： 本发明涉及一种蒸馏塔系统中空气的低温蒸馏方法，该蒸馏塔系统含有至少一个蒸馏塔，其中产生氧产物的蒸馏塔底部的沸腾是通过将氮浓度 等于或大于进料空气流中的流量。 本发明的方法包括以下步骤：（a）产生至少10％（10％）蒸馏塔系统制冷需求的工作能量; （b）扩大工艺流程以产生额外的工作能量，使得与步骤（a）一起产生的总工作量超过了低温设备的总制冷需求; 和（c）使用超过蒸馏塔系统的制冷需要产生的工作在低于环境温度的温度下冷却工艺流。
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公开(公告)号：US5806340A
公开(公告)日：1998-09-15
申请号：US856003
申请日：1997-05-14
申请人： Shinji Tomita
发明人： Shinji Tomita
IPC分类号： F25J3/04
CPC分类号： F25J3/04333 , F25J3/04048 , F25J3/04066 , F25J3/04084 , F25J3/04103 , F25J3/04206 , F25J3/04321 , F25J3/04363 , F25J3/0443 , F25J2200/94 , F25J2205/02 , F25J2210/04 , F25J2215/44 , F25J2220/42 , F25J2230/52 , F25J2245/02 , F25J2250/02 , F25J2250/20 , F25J2250/30 , F25J2250/40 , F25J2250/42 , F25J2250/50
摘要： A high purity nitrogen generator unit which is excellent in the energy efficiency and the recovery of high purity nitrogen gas, is provided. In a rectification column 1, feed air is separated to oxygen-rich liquid air and nitrogen gas. The oxygen-rich liquid air in its bottom is reduced in pressure by a first expansion valve 21 and sent to a composition regulation column 3. The nitrogen gas in its top is condensed in a nitrogen condenser 2, the resulting liquid nitrogen is returned as a reflux liquid to the rectification column 1 and non-condensed gas is released. After oxygen-rich waste gas in the lower part of the composition regulation column 3 is reduced in pressure by an expansion turbine 6, it is released by way of a first heat exchanger 4. Mixed gas in the top of the composition regulation column 3 is introduced for re-circulation into a first compressor 5. Another portion of the mixed gas is returned to the composition regulation column 3 by way of a second compressor 7, second heat exchanger 8 and second expansion valve 22. The second compressor 7 is driven by means of the expansion turbine 6. High purity liquid nitrogen taken out of the vicinity of the top of the rectification column 1 is evaporated for recovery in the second heat exchanger 8.
摘要翻译： 提供了能量效率优异和高纯度氮气回收的高纯度氮气发生器单元。 在精馏塔1中，将进料空气分离成富氧液体空气和氮气。 其底部的富氧液体空气通过第一膨胀阀21减压，并送到组成调节塔3.其顶部的氮气在氮冷凝器2中冷凝，得到的液氮作为 回流液到精馏塔1，非冷凝气体被释放。 在组成调节塔3的下部的富氧废气通过膨胀涡轮6减压后，通过第一热交换器4释放。组成调节塔3顶部的混合气体为 引入再循环到第一压缩机5中。另一部分混合气体通过第二压缩机7，第二热交换器8和第二膨胀阀22返回到组成调节塔3中。第二压缩机7由 膨胀涡轮机6的装置。从精馏塔1顶部附近取出的高纯度液氮在第二热交换器8中蒸发回收。
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公开(公告)号：US5582034A
公开(公告)日：1996-12-10
申请号：US553173
申请日：1995-11-07
申请人： Joseph P. Naumovitz
发明人： Joseph P. Naumovitz
CPC分类号： F25J3/044 , F25J3/04048 , F25J3/04066 , F25J3/04284 , F25J3/04321 , F25J2200/72 , F25J2230/52 , F25J2245/02 , F25J2250/20
摘要： A method of producing nitrogen is a single column nitrogen generator in which first and second coolant streams are used to condense nitrogen-rich tower overhead to provide reflux for the distillation column. One of the coolant streams is composed of liquid having a higher nitrogen content than oxygen-rich liquid produced in a bottom region of the distillation column. This coolant stream is compressed, cooled and recycled to the bottom of the distillation column in order to increase nitrogen recovery.
摘要翻译： 生产氮的方法是单塔氮气发生器，其中第一和第二冷却剂流用于冷凝富氮塔顶馏出物以提供用于蒸馏塔的回流。 冷却剂流中的一种由在蒸馏塔的底部区域中产生的富氧液体的氮含量较高的液体组成。 该冷却剂流被压缩，冷却并再循环到蒸馏塔的底部，以增加氮的回收率。
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