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1. 发明申请

US20130086942A1 DEVICE FOR THE CRYOGENIC SEPARATION OF AIR 有权
标题翻译：空气分离的装置
公开(公告)号：US20130086942A1
公开(公告)日：2013-04-11
申请号：US13637036
申请日：2011-03-25
申请人： Stefan Lochner , Kurt Huber
发明人： Stefan Lochner , Kurt Huber
IPC分类号： F25J3/04
CPC分类号： F25J3/04187 , F25J3/04412 , F25J3/04418 , F25J3/04466 , F25J3/04872 , F25J3/0489 , F25J3/04945 , F25J2200/04 , F25J2290/40 , F25J2290/42
摘要： The device serves for the cryogenic separation of air. It comprises a main heat exchanger (6) and a distillation column system for nitrogen-oxygen separation (5) with a double column (5), which contains a high-pressure column and a low-pressure column. The device also includes a mixing column (1) and means for introducing charge air via the main heat exchanger (6) into the high-pressure column and into the mixing column. A liquid oxygen line serves for introducing liquid oxygen from the low-pressure column into the upper region of the mixing column (1), an oxygen product line serves for extracting oxygen gas from the upper region of the mixing column (1) through the main heat exchanger (6). The mixing column (1) and the double column (5) are arranged in a common cold box (3). The mixing column (1) is attached to the double column (5) by way of connecting elements (10, 11).
摘要翻译：该装置用于空气的低温分离。它包括主热交换器（6）和用于氮 - 氧分离的蒸馏塔系统（5），其具有含有高压塔和低压塔的双塔（5）。该装置还包括混合塔（1）和用于经由主热交换器（6）将增压空气引入高压塔并进入混合塔的装置。液氧线用于将液氧从低压塔引入混合塔（1）的上部区域，氧产品线用于从混合塔（1）的上部区域通过主体热交换器（6）。混合塔（1）和双塔（5）布置在普通的冷箱（3）中。混合塔（1）通过连接元件（10,11）连接到双柱（5）。

2. 发明授权

US09170048B2 Device for the cryogenic separation of air 有权
标题翻译：空气低温分离装置
公开(公告)号：US09170048B2
公开(公告)日：2015-10-27
申请号：US13637036
申请日：2011-03-25
申请人： Stefan Lochner , Kurt Huber
发明人： Stefan Lochner , Kurt Huber
IPC分类号： F25J3/00 , F25J3/04
CPC分类号： F25J3/04187 , F25J3/04412 , F25J3/04418 , F25J3/04466 , F25J3/04872 , F25J3/0489 , F25J3/04945 , F25J2200/04 , F25J2290/40 , F25J2290/42
摘要： The device serves for the cryogenic separation of air. It comprises a main heat exchanger (6) and a distillation column system for nitrogen-oxygen separation (5) with a double column (5), which contains a high-pressure column and a low-pressure column. The device also includes a mixing column (1) and means for introducing charge air via the main heat exchanger (6) into the high-pressure column and into the mixing column. A liquid oxygen line serves for introducing liquid oxygen from the low-pressure column into the upper region of the mixing column (1), an oxygen product line serves for extracting oxygen gas from the upper region of the mixing column (1) through the main heat exchanger (6). The mixing column (1) and the double column (5) are arranged in a common cold box (3). The mixing column (1) is attached to the double column (5) by way of connecting elements (10, 11).
摘要翻译：该装置用于空气的低温分离。它包括主热交换器（6）和用于氮 - 氧分离的蒸馏塔系统（5），其具有含有高压塔和低压塔的双塔（5）。该装置还包括混合塔（1）和用于经由主热交换器（6）将增压空气引入高压塔并进入混合塔的装置。液氧线用于将液氧从低压塔引入混合塔（1）的上部区域，氧产品线用于从混合塔（1）的上部区域通过主体热交换器（6）。混合塔（1）和双塔（5）布置在普通的冷箱（3）中。混合塔（1）通过连接元件（10,11）连接到双柱（5）。

3. 发明申请

US20130192300A1 DEVICE FOR LOW-TEMPERATURE SEPARATION OF AIR 审中-公开
标题翻译：空气低温分离装置
公开(公告)号：US20130192300A1
公开(公告)日：2013-08-01
申请号：US13637437
申请日：2011-03-01
申请人： Stefan Lochner
发明人： Stefan Lochner
IPC分类号： F25J3/04
CPC分类号： F25J3/04187 , F25J3/04412 , F25J3/04418 , F25J3/04466 , F25J3/04872 , F25J3/0489 , F25J3/04945 , F25J2200/04 , F25J2290/40 , F25J2290/42
摘要： The device serves for the cryogenic separation of air. It has the following features: a main heat exchanger and a supercooling countercurrent heat exchanger (2); a distillation column system for nitrogen-oxygen separation (5), which comprises a high-pressure column and a low-pressure column; a mixing column (1); means for introducing charge air via the main heat exchanger into the high-pressure column and into the mixing column; a liquid-oxygen line for introducing liquid oxygen from the low-pressure column into the upper region of the mixing column; an oxygen product line for extracting oxygen gas from the upper region of the mixing column through the main heat exchanger. The mixing column (1) and at least one of the two heat exchangers mentioned (2, 6) are arranged in a common cold box (3).
摘要翻译：该装置用于空气的低温分离。它具有以下特点：主热交换器和过冷却逆流换热器（2）; 用于氮 - 氧分离的蒸馏塔系统（5），其包括高压塔和低压塔; 混合塔（1）; 用于经由主热交换器将增压空气引入高压塔并进入混合塔的装置; 用于将液氧从低压塔引入混合塔的上部的液氧线; 用于通过主热交换器从混合塔的上部区域提取氧气的氧气产物线。混合塔（1）和所述两个热交换器（2,6）中的至少一个设置在公共冷箱（3）中。

4. 发明授权

US06499313B2 Process and apparatus for generating high-purity nitrogen by low-temperature fractionation of air 失效
$Process and apparatus for generating high-purity nitrogen by low-temperature fractionation of air$
标题翻译：通过空气的低温分馏产生高纯氮的方法和装置
公开(公告)号：US06499313B2
公开(公告)日：2002-12-31
申请号：US09950810
申请日：2001-09-13
申请人： Ralph Spoeri , Stefan Lochner
发明人： Ralph Spoeri , Stefan Lochner
IPC分类号： F25J300
CPC分类号： F25J3/04224 , F25J3/04357 , F25J3/04387 , F25J3/04393 , F25J3/04454 , F25J2200/32 , F25J2200/34 , F25J2215/44 , F25J2220/42 , F25J2220/44 , F25J2235/42 , F25J2240/12 , F25J2245/42 , F25J2250/04
摘要： High-purity nitrogen is generated by low-temperature fractionation of air in a rectification system for nitrogen/oxygen separation having at least a first rectifier column (4). Cycle nitrogen (24) in gas form is removed from the upper region of the first rectifier column (4) and is compressed in a cycle compressor (30). A first part (35) of the compressed cycle nitrogen is liquefied. A nitrogen fraction (52) from the rectification system for nitrogen/oxygen separation is introduced (52) into a high-purity nitrogen column (39) having a top condenser (54). High-purity nitrogen (56) is removed from the upper region of the high-purity nitrogen column (39). The refrigeration demand of the top condenser (54) is at least partially covered by liquefied cycle nitrogen (38).
摘要翻译：通过在具有至少第一整流柱（4）的氮/氧分离的精馏系统中的空气的低温分馏产生高纯氮。从第一整流柱（4）的上部区域除去以气体形式循环的氮气（24），并在循环压缩机（30）中被压缩。压缩循环氮气的第一部分（35）被液化。将来自用于氮气/氧气分离的精馏系统的氮气馏分（52）引入（52）到具有顶部冷凝器（54）的高纯度氮气塔（39）中。从高纯氮塔（39）的上部区域除去高纯氮（56）。顶部冷凝器（54）的制冷需求至少部分被液化循环氮覆盖（38）。

5. 发明授权

US09964353B2 System and method for generation of oxygen by low-temperature air separation 有权
公开(公告)号：US09964353B2
公开(公告)日：2018-05-08
申请号：US15059708
申请日：2016-03-03
申请人： Tobias Lautenschlager , Stefan Lochner
发明人： Tobias Lautenschlager , Stefan Lochner
IPC分类号： F25J3/00 , F25J3/04
CPC分类号： F25J3/04412 , F25J3/04084 , F25J3/0409 , F25J3/0429 , F25J3/04296 , F25J3/04387 , F25J3/04393 , F25J3/04448 , F25J3/04648 , F25J3/04654 , F25J3/0466 , F25J3/04666 , F25J3/04678 , F25J3/04872 , F25J3/04878 , F25J3/04884 , F25J2200/32 , F25J2205/30 , F25J2240/10 , F25J2245/58
摘要： A system and method serve generate oxygen by low-temperature air separation in a distillation column system having a high-pressure column and a low-pressure column, a main condenser which is constructed as a condenser-evaporator, and an auxiliary column. A gaseous oxygen-containing fraction is introduced into the auxiliary column. A nitrogen-containing liquid stream from the high-pressure column, the main condenser or the low-pressure column is applied as reflux to the top of the auxiliary column. An argon-rich stream from an intermediate site of the low-pressure column is introduced into an argon removal column that has an argon removal column top condenser. The low-pressure column is arranged beside the high-pressure column, the main condenser is arranged over the high-pressure column, the auxiliary column is arranged over the main condenser, the argon removal column is arranged over the auxiliary column and the argon removal column top condenser is arranged over the argon removal column.

6. 发明申请

US20160265841A1 SYSTEM AND METHOD FOR GENERATION OF OXYGEN BY LOW-TEMPERATURE AIR SEPARATION 有权
标题翻译：通过低温空气分离产生氧气的系统和方法
公开(公告)号：US20160265841A1
公开(公告)日：2016-09-15
申请号：US15059708
申请日：2016-03-03
申请人： Tobias Lautenschlager , Stefan Lochner
发明人： Tobias Lautenschlager , Stefan Lochner
IPC分类号： F25J3/04
CPC分类号： F25J3/04412 , F25J3/04084 , F25J3/0409 , F25J3/0429 , F25J3/04296 , F25J3/04387 , F25J3/04393 , F25J3/04448 , F25J3/04648 , F25J3/04654 , F25J3/0466 , F25J3/04666 , F25J3/04678 , F25J3/04872 , F25J3/04878 , F25J3/04884 , F25J2200/32 , F25J2205/30 , F25J2240/10 , F25J2245/58
摘要： A system and method serve generate oxygen by low-temperature air separation in a distillation column system having a high-pressure column and a low-pressure column, a main condenser which is constructed as a condenser-evaporator, and an auxiliary column. A gaseous oxygen-containing fraction is introduced into the auxiliary column. A nitrogen-containing liquid stream from the high-pressure column, the main condenser or the low-pressure column is applied as reflux to the top of the auxiliary column. An argon-rich stream from an intermediate site of the low-pressure column is introduced into an argon removal column that has an argon removal column top condenser. The low-pressure column is arranged beside the high-pressure column, the main condenser is arranged over the high-pressure column, the auxiliary column is arranged over the main condenser, the argon removal column is arranged over the auxiliary column and the argon removal column top condenser is arranged over the argon removal column.
摘要翻译：在具有高压塔和低压塔，构成冷凝器 - 蒸发器的主冷凝器和辅助塔的蒸馏塔系统中，通过低温空气分离产生氧气的方法和方法。将含氧气体的馏分引入辅助塔中。将来自高压塔，主冷凝器或低压塔的含氮液流作为回流施加到辅助塔的顶部。将来自低压塔的中间部位的富氩流引入到具有除氩塔顶冷凝器的氩除去塔中。低压塔位于高压塔旁边，主冷凝器设置在高压塔上，辅助柱设置在主冷凝器的上方，除氩塔设置在辅助塔上，除去氩气塔顶冷凝器布置在氩气除去塔上。

7. 发明申请

US20090107177A1 PROCESS AND DEVICE FOR LOW TEMPERATURE AIR FRACTIONATION 审中-公开
标题翻译：低温空气分离的方法和装置
公开(公告)号：US20090107177A1
公开(公告)日：2009-04-30
申请号：US12256660
申请日：2008-10-23
申请人： Stefan Lochner
发明人： Stefan Lochner
IPC分类号： F25J3/00
CPC分类号： F25J3/0426 , F25J3/04048 , F25J3/0409 , F25J3/04284 , F25J3/0443 , F25J2200/90 , F25J2210/42 , F25J2210/50 , F25J2215/50 , F25J2215/56 , F25J2220/50 , F25J2245/02 , F25J2250/02 , F25J2250/20
摘要： The process and the device serve for low temperature air fractionation in a distillation column system for obtaining nitrogen which has a single column (12). Feed air (8) is cooled in a main heat exchanger (9) and introduced (11, 43) into the single column (12). The single column (12) has a top condenser (13) in which vapour from the upper region of the single column is at least in part condensed. A nitrogen product stream (15, 16, 17) is withdrawn from the upper region of the single column (12). A first residual fraction (14, 19) is withdrawn in the liquid state from the single column (12), at least in part vaporized in the top condenser (13) and subsequently taken off from the top condenser as vaporized first residual fraction (19). A first part (20) of the vaporized first residual fraction (19) is expanded in a work-producing manner in an expansion machine (21). A second residual fraction (18, 29) is withdrawn from the lower or intermediate region of the single column (12), recompressed (30) and subsequently passed (32) back at least to a first part of the single column (12). A second part of the vaporized first residual fraction (19) is not passed into the expansion machine (21) but is taken off as gaseous impure oxygen product (60) at about the inlet pressure of the expansion machine (21).
摘要翻译：该方法和装置用于蒸馏塔系统中的低温空气分馏，以获得具有单塔（12）的氮气。进料空气（8）在主热交换器（9）中冷却并引入（11,43）到单塔（12）中。单塔（12）具有顶部冷凝器（13），其中来自单塔的上部区域的蒸气至少部分地冷凝。氮气产物流（15,16,17）从单塔（12）的上部区域排出。第一残余馏分（14,19）以液态从单塔（12）中排出，至少部分地在顶部冷凝器（13）中蒸发，随后从蒸发的第一残余馏分（19）中排出顶部冷凝器）。蒸发的第一残留馏分（19）的第一部分（20）在膨胀机（21）中以加工方式膨胀。将第二残余馏分（18,29）从单塔（12）的下部或中间区域中取出，再压缩（30）并随后通过（32）回到至少至单塔（12）的第一部分。蒸发的第一残留馏分（19）的第二部分不被通入膨胀机（21），而是在膨胀机（21）的大约入口压力下作为气态不纯氧产物（60）取出。

8. 发明授权

US06301929B1 Process and apparatus for producing pressurized oxygen and krypton/xenon by low-temperature fractionation of air 失效
$Process and apparatus for producing pressurized oxygen and krypton/xenon by low-temperature fractionation of air$
标题翻译：通过空气的低温分馏产生加压氧和氪/氙的方法和装置
公开(公告)号：US06301929B1
公开(公告)日：2001-10-16
申请号：US09452167
申请日：1999-12-01
申请人： Stefan Lochner
发明人： Stefan Lochner
IPC分类号： F25J304
CPC分类号： F25J3/04412 , F25J3/04745 , F25J2200/34 , F25J2200/92 , F25J2200/94 , F25J2235/50
摘要： The process and the apparatus serve for producing pressurized oxygen and krypton/xenon by low-temperature fractionation of air. The rectifying system has a low-pressure column (3) for the nitrogen-oxygen separation and a krypton-xenon enrichment column (15). Compressed and prepurified feed air (4) is introduced into the rectifying system. A first oxygen fraction (11) is taken off from the low-pressure column (3), brought (12) to an elevated pressure in the liquid state, vaporized and removed as gaseous pressurized oxygen product (24). In addition, a second oxygen fraction (16) is taken off from the low-pressure column (3) and passed (18) into the lower or central region of the krypton-xenon enrichment column (15). The first oxygen fraction (11) is taken off at least one actual or theoretical plate above the bottom of the low-pressure column (3) and, after the pressure elevation (12) is introduced (14) in the liquid state into the upper region of the krypton-xenon enrichment column (15). A krypton-enriched and/or xenon-enriched fraction (19) is taken off from the lower region of the krypton-xenon enrichment column (15). The pressurized oxygen product (24) is withdrawn in the gaseous state from the upper region of the krypton-xenon enrichment column (15).
摘要翻译：该方法和装置用于通过空气的低温分馏产生加压氧和氪/氙。整流系统具有用于氮 - 氧分离的低压塔（3）和氪 - 氙浓缩塔（15）。将压缩和预净化的进料空气（4）引入整流系统。第一氧气馏分（11）从低压塔（3）中取出，使（12）处于液态的升高的压力下，作为气体加压氧产物（24）蒸发并除去。此外，第二氧分数（16）从低压塔（3）中取出并通过（18）进入氪 - 氙浓缩塔（15）的下部或中心区域。第一氧气馏分（11）从低压塔（3）底部的至少一个实际或理论塔板上取出，并且在压力升高（12）以液体状态引入（14）之后，上部氪 - 氙浓缩柱（15）的区域。从氪 - 氙浓缩塔（15）的下部区域取出富氪和/或氙浓缩馏分（19）。加压氧产物（24）以气态从氪 - 氙浓缩塔（15）的上部区域排出。

9. 发明授权

US6038885A Air separation process 失效
标题翻译：空气分离过程
公开(公告)号：US6038885A
公开(公告)日：2000-03-21
申请号：US126150
申请日：1998-07-30
申请人： Horst Corduan , Stefan Lochner
发明人： Horst Corduan , Stefan Lochner
IPC分类号： F25J3/04 , F25J3/00
CPC分类号： F25J3/0409 , F25J3/04084 , F25J3/04103 , F25J3/04193 , F25J3/042 , F25J3/0423 , F25J3/04236 , F25J3/04412 , F25J3/04824 , F25J3/04836 , F25J3/04878 , F25J3/04963 , F25J2235/42 , F25J2235/50 , F25J2250/40 , F25J2250/42 , F25J2250/50 , F25J2290/62
摘要： A process and a system for the low-temperature separation of air by rectification is provided. A liquid fraction is obtained in a rectifying system, stored in a tank and at least a portion of the liquid fraction taken out of the tank and brought to an increased pressure. During normal operation, the liquid fraction, which was brought to an increased pressure, is heated in a preheat exchanger and evaporated in the main heat exchanger. During an operating disturbance, at least a portion of the liquid product is removed from the tank, evaporated and used for an emergency supply.
摘要翻译：提供了通过整流来对空气进行低温分离的方法和系统。在精馏系统中获得液体馏分，储存在罐中，并将液体馏分的至少一部分从罐中取出并使其增加压力。在正常运行中，被加压的液体部分在预热交换器中被加热并在主热交换器中蒸发。在操作扰动期间，将液体产物的至少一部分从罐中取出，蒸发并用于紧急供应。

10. 发明申请

US20170205142A1 METHOD FOR OBTAINING AN AIR PRODUCT IN AN AIR SEPARATION PLANT AND AIR SEPARATION PLANT 审中-公开
公开(公告)号：US20170205142A1
公开(公告)日：2017-07-20
申请号：US15397890
申请日：2017-01-04
申请人： Stefan Lochner , Ralph Spöri , Christian Zimmermann
发明人： Stefan Lochner , Ralph Spöri , Christian Zimmermann
IPC分类号： F25J3/04
CPC分类号： F25J3/04848 , F25J3/04018 , F25J3/04048 , F25J3/0409 , F25J3/04163 , F25J3/04284 , F25J3/04309 , F25J3/04321 , F25J3/04381 , F25J3/0443 , F25J3/04478 , F25J3/04484 , F25J3/04496 , F25J3/04787 , F25J3/04872 , F25J3/0489 , F25J2200/30 , F25J2200/94 , F25J2215/42 , F25J2215/52 , F25J2215/56 , F25J2220/02 , F25J2220/50 , F25J2230/08 , F25J2230/40 , F25J2235/50 , F25J2245/02 , F25J2250/20 , F25J2280/20 , F25J2290/12 , F25J2290/34 , F25J2290/60 , F25J2290/62
摘要： A method for obtaining an air product from an air separation plant having a distillation column system and a tank system. The tank system includes a first tank and a second tank. Cryogenic liquid is withdrawn from the distillation column system, stored in the tank system, and used as the air product. The cryogenic liquid is supplied to the first tank and withdrawn from the second tank during a first period, and is supplied to the second tank and withdrawn from the first tank during a second period. The tank system has a third tank to which cryogenic liquid withdrawn from the first tank and the second tank is transferred unheated. The air product is withdrawn from the third tank in liquid state, vaporized and discharged. Alternatively, the cryogenic liquid can be withdrawn from the third tank and stored in the liquid state in a fourth tank.

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