| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Air separator and method for controlling operation thereof | JP2001145547 | 2001-05-15 | JP2002340478A | 2002-11-27 | TANAKA MASAYUKI; OYAMA TAKASHI; HASHIMOTO TAMOTSU |
| PROBLEM TO BE SOLVED: To provide an air separator capable of supplying product oxygen and product nitrogen stably without lowering the oxygen concentration and the nitrogen concentration to a facility having a long fluctuation cycle of demand without increasing sizes of equipment such as gas holder, and to provide a method of controlling the operation of the separator. SOLUTION: A raw material air amount adjusting device 15, a nitrogen rich liquid amount adjusting device 95b, an oxygen rich liquid adjusting device 96b and a liquid oxygen amount adjusting device 97b are prediction-controlled by using a product oxygen feed demand so as to reach the product oxygen concentration to a specified value. Further, when a measured value of the liquid oxygen concentration in a low pressure column is not a specified value, the liquid oxygen amount adjusting device 97b is controlled so as to reach the liquid oxygen concentration to a specified value, and the raw material air amount adjusting device 15 is controlled so as to reach the feed temperature of the product oxygen to a specified value. The nitrogen rich liquid amount adjusting device 95b is also controlled so as to reach the oxygen concentration in the nitrogen gas in the top of a low pressure column to a specified value. | ||||||
| 82 | Tri-tower type low air temperature rectifier system | JP2002020001 | 2002-01-29 | JP2002235982A | 2002-08-23 | ROTTMANN DIETRICH; KUNZ CHRISTIAN; CORDUAN HORST |
| PROBLEM TO BE SOLVED: To provide a tri-tower type low air temperature rectifier system having a high adaptability against a load variation. SOLUTION: This tri-tower type low air temperature rectifier system is operated such that supplied air (1) is separated into oxygen rich liquid and nitrogen rectified substance (16), a part of the nitrogen rectified substance is condensed in a condensing evaporator (8) to generate liquid nitrogen rectified substance (20), oxygen rich rectified substance (22) from a high pressure tower is separated into oxygen rich liquid and nitrogen rectified substance (24) in an intermediate tower (6), a part of nitrogen rectified substance is condensed in the condensing evaporator (25) to attain the liquid nitrogen rectified substance (26), it is returned back to one of the three towers and added to it, and/or it is recovered as liquid generated substance (64). The oxygen rich rectified substances (29, 31) from the high and intermediate towers are separated into oxygen rich liquid and nitrogen rectified substance within a low pressure tower (7). Liquid returned nitrogens (54, 60) which are not at the second condensing evaporator (25) are fed into the intermediate tower (6). | ||||||
| 83 | Air liquefying separation method and device | JP2000346409 | 2000-11-14 | JP2002147949A | 2002-05-22 | EKOSHI NOBUAKI; TACHIBANA HIROSHI; KAWAKAMI HIROSHI |
| PROBLEM TO BE SOLVED: To provide an air liquefying separation method and device capable of extracting nitrogen, argon and oxygen while contriving the miniaturization by using a heat exchanging type distiller. SOLUTION: Air as raw material is introduced into a distilling column 5, and it is separated into nitrogen gas, crude liquefied oxygen and crude argon. The crude liquefied oxygen is introduced into the distillation passage 61 of a heat exchanging type distiller 6 as a descending liquid, and the liquefied crude argon is introduced into the different distillation passage 62 as the descending liquid. Nitrogen gas is introduced into a condensation passage 63 as a descending gas, and the part of the crude liquefied oxygen and the liquefied crude argon is vaporized by the heat exchange with the nitrogen gas to form an ascending gas. By providing the gas-liquid contact between the ascending gas and the descending liquid in the distillation passage, the liquefied oxygen and liquefied argon as products are separated at the lower part of the distillation passage. COPYRIGHT: (C)2002,JPO | ||||||
| 84 | Air distillation methods and plant | JP50374286 | 1986-07-09 | JPH0731004B2 | 1995-04-10 | BURYUJUROORU JANNRUNOO |
| 85 | Method and apparatus for separating air | JP752989 | 1989-01-13 | JPH01247981A | 1989-10-03 | TOOMASU RASUBOON |
| PURPOSE: To manufacture oxygen simultaneously with argon, by introducing an air flow into a first distillation column, withdrawing argon-rich liquid to separate argon in a second distillation column, and further withdrawing an oxygen product from both distillation columns. CONSTITUTION: Compressed air is introduced into a distillation column 10 from an inlet 12, oxygen-rich liquid is collected on a bottom, and nitrogen-rich vapor is collected on a top. Liquid containing argon of about 8% by volume is withdrawn from the distillation column 10 through an outlet 4. This is supercooled in the heat exchanger 94 to pass through a throttle valve 44 and enter a distillation column 50 from the inlet 46. A liquid oxygen is collected on the bottom and is reboiled with a reboiler 52. The argon rich gas is partially refluxed in a condenser 54, and a residue is taken out as a solid argon product from an outlet 62. Further, a liquid oxygen flow is taken from an outlet 6 in the bottom of the distillation column 10, and is passed through a condenser 30 and is introduced into the top of the distillation column 20. COPYRIGHT: (C)1989,JPO | ||||||
| 86 | 정화된 두 개의 부분 공기 스트림을 발생시키기 위한 방법 및 장치 | KR1020147010644 | 2012-09-20 | KR1020140079427A | 2014-06-26 | 알렉제브,알렉산더; 고로우베브,디미트리 |
| 본 발명은 상이한 압력들 하에서 정화된 두 개의 부분 공기 스트림들을 발생시키기 위한 방법 및 장치에 관한 것이다. 전체 공기 스트림(1)은 제 1 전체 공기 압력으로 압축된다. 압축된 전체 공기 스트림(5)은 열 교환(4, 6)에 의해 제 1 전체 공기 압력 하에서 냉각수에 의해 냉각된다. 전체 공기 스트림(5)을 냉각하기 위한 냉각수와의 열 교환은 적어도 부분적으로 제 1 직접 접촉 냉각기(6)에서의 직접 열 교환으로서 수행된다. 냉각된 전체 공기 스트림(9)은 제 1 부분 공기 스트림(10) 및 제 2 부분 공기 스트림(11)으로 분리된다. 제 1 부분 공기 스트림(10)은 제 1 전체 공기 압력 하에서 제 1 정화 장치(18)에서 정화되고 제 1 정화된 부분 공기 스트림(19)을 발생시킨다. 제 2 부분 공기 스트림(11)은 고압(12)으로 재압축되고 이는 제 1 전체 공기 압력보다 더 높다. 재압축된 제 2 부분 공기 스트림(14)은 직접 열 교환(13,15)에 의해 제 2 직접 접촉 냉각기(15)에서 냉각수에 의해 냉각된다. 냉각된 제 2 부분 공기 스트림(17)은 제 2 정화 장치(30)에서 더 높은 압력 하에서 정화되어, 제 2 정화된 부분 공기 스트림(31)을 발생시킨다. | ||||||
| 87 | 크립톤 및 크세논 회수 방법 | KR1020117005715 | 2009-06-08 | KR1020110046530A | 2011-05-04 | 프로서닐마크; 손더스존버나드 |
| 과열된 공기 스트림이 공기 분리 장치의 고압 컬럼과 연계된 물질 전달 접촉 구역에 도입되는 공기 분리 방법이다. 물질 전달 접촉 구역에 도입되는 과열된 공기 스트림으로부터 크립톤 및 크세논이 세척됨으로써, 크립톤 및 크세논-풍부 액체가 형성된다. 크립톤 및 크세논-풍부 액체는 스트립핑 컬럼 내에서 스트립핑되어 크립톤-크세논-풍부 하부 액체를 생성한다. 스트립핑 컬럼으로부터의 크립톤-크세논-풍부 하부 액체로 구성된 크립톤-크세논-풍부 스트림이 추가 정제를 위해 생성된다.
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| 88 | 공기의 저온 분별에 의한 크립톤 및/또는 크세논 생성방법 및 장치 | KR1020020066388 | 2002-10-30 | KR1020030036029A | 2003-05-09 | 슈벵크,디르크 |
| PURPOSE: Provided is an improved method for producing krypton and/or xenon by low temperature fractionation of air, which is performed by an economically favorable mode. CONSTITUTION: The method comprises the steps of: introducing a compressed and cleaned charge air(1) into a rectification system for nitrogen-oxygen separation, that comprises at least a high-pressure column(2) and a low-pressure column(3); removing a krypton- and xenon-containing fractions from the high-pressure column(2); introducing the fractions into the evaporation zone of a first condenser- evaporator(17) to evaporate the fractions partially; extracting a purge liquid(26,226) from the evaporation zone; feeding the purge liquid into a krypton-xenon concentration column(24); and recovering a krypton-xenon concentrate(30) from the column(24). The method comprises the step of introducing a liquid discharged from the bottom of the column(24) into a second condenser-evaporator(27) separate from the first condenser-evaporator(17). | ||||||
| 89 | 고압질소를 제조하기 위한 저온정류 시스템 | KR1019950006296 | 1995-03-24 | KR100208459B1 | 1999-07-15 | 단테패트릭보나퀴스트; 마크줄리엔로버츠 |
| 본 발명은 고압 및 저압 사이의 압력으로 작동하는 부가적인 컬럼을 사용하는 고압질소를 대량으로 생산하는 저온정류 시스템에 의해 정류생성의 융통성을 개선시킴으로써 질소의 회수율을 최적화할 수 있다. | ||||||
| 90 | Process and apparatus for the separation of air by cryogenic distillation | EP12305244.1 | 2012-02-29 | EP2634517B1 | 2018-04-04 | HA, Bao; BRUGEROLLE, Jean-Renaud |
| In a process for the separation of air by cryogenic distillation, air is purified, cooled and sent to a first distillation column (100) of a column system (ASU) wherein it is separated into an oxygen enriched liquid (10) and a nitrogen enriched gas, oxygen enriched liquid or a liquid derived therefrom is sent from the first column to a top condenser (107) of a second column (102) operating at a lower pressure than the first column and is partially vaporized, the bottom of the second column is warmed via a bottom reboiler (106), liquid (60) from the bottom of the second column is sent to an intermediate point of a third column (103) operating at a lower pressure than the second column, nitrogen enriched liquid (23) from the top of the second column is sent to the top of the third column, oxygen rich liquid (30) is removed from the bottom of the third column, pressurized (120) and vaporized by heat exchange with air and oxygen enriched liquid (24) from the top condenser of the second column is sent to an intermediate point of the second column (102) to be separated therein. | ||||||
| 91 | Process and apparatus for the separation of air by cryogenic distillation | EP12305244.1 | 2012-02-29 | EP2634517A1 | 2013-09-04 | HA, Bao; BRUGEROLLE, Jean-Renaud |
In a process for the separation of air by cryogenic distillation, air is purified, cooled and sent to a first distillation column (100) of a column system (ASU) wherein it is separated into an oxygen enriched liquid (10) and a nitrogen enriched gas, oxygen enriched liquid or a liquid derived therefrom is sent from the first column to a top condenser (107) of a second column (102) operating at a lower pressure than the first column and is partially vaporized, the bottom of the second column is warmed via a bottom reboiler (106), liquid (60) from the bottom of the second column is sent to an intermediate point of a third column (103) operating at a lower pressure than the second column, nitrogen enriched liquid (23) from the top of the second column is sent to the top of the third column, oxygen rich liquid (30) is removed from the bottom of the third column, pressurized (120) and vaporized by heat exchange with air and oxygen enriched liquid (24) from the top condenser of the second column is sent to an intermediate point of the second column (102) to be separated therein.
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| 92 | AIR SEPARATION METHOD | EP07795737.1 | 2007-06-05 | EP2032923B1 | 2010-12-22 | HOWARD, Henry Edward |
| Argon, oxygen and nitrogen contained within an incoming air feed is fractionated within an air separation system having a multiple column arrangement that includes a higher pressure column and a lower pressure column to produce oxygen and nitrogen-rich fractions and an argon column to produce an argon-rich fraction for recovery of the argon as an argon product. A two-phase stream can be formed by either expanding at least part of a liquid air stream or by a liquid oxygen column bottoms formed within a higher pressure column of the multiple column arrangement. The liquid air stream is formed by liquefying part of the air feed to be fractionated against vaporizing a pumped liquid stream composed of nitrogen and/or oxygen. The diversion of the nitrogen vapor contained in the nitrogen-rich fraction increases the liquid to vapor ratio within the lower pressure column to increase the argon recovery. | ||||||
| 93 | NITROGEN PRODUCTION METHOD AND APPARATUS | EP08731689.9 | 2008-03-07 | EP2126501B1 | 2010-11-17 | HOWARD, Henry, Edward |
| Method and apparatus for distilling nitrogen from a gaseous mixture (10) containing nitrogen and oxygen. Oxygen-enriched bottoms liquid (30) is partially vaporized within a first heat exchanger (36) to condense part of the column overhead (62) to produce reflux (29). Thereafter, the partially vaporized oxygen- enriched liquid (35) is phase separated (40). A second oxygen-enriched liquid stream composed of at least part of the liquid phase is used to substantially condense all (52) or part of the vapor stream derived from said phase separation, thereby to form a nitrogen-rich liquid stream (54). At least part of the nitrogen-rich liquid stream is reintroduced into the column (14) to increase nitrogen recovery. The second oxygen- enriched liquid stream is then used to condense a second part (64) of the reflux (26) for the column. | ||||||
| 94 | NITROGEN PRODUCTION METHOD AND APPARATUS | EP08731689.9 | 2008-03-07 | EP2126501A2 | 2009-12-02 | HOWARD, Henry, Edward |
| Method and apparatus for distilling nitrogen from a gaseous mixture (10) containing nitrogen and oxygen. Oxygen-enriched bottoms liquid (30) is partially vaporized within a first heat exchanger (36) to condense part of the column overhead (62) to produce reflux (29). Thereafter, the partially vaporized oxygen- enriched liquid (35) is phase separated (40). A second oxygen-enriched liquid stream composed of at least part of the liquid phase is used to substantially condense all (52) or part of the vapor stream derived from said phase separation, thereby to form a nitrogen-rich liquid stream (54). At least part of the nitrogen-rich liquid stream is reintroduced into the column (14) to increase nitrogen recovery. The second oxygen- enriched liquid stream is then used to condense a second part (64) of the reflux (26) for the column. | ||||||
| 95 | AIR SEPARATION METHOD | EP07795737.1 | 2007-06-05 | EP2032923A2 | 2009-03-11 | HOWARD, Henry Edward |
| Argon, oxygen and nitrogen contained within an incoming air feed is fractionated within an air separation system having a multiple column arrangement that includes a higher pressure column and a lower pressure column to produce oxygen and nitrogen-rich fractions and an argon column to produce an argon-rich fraction for recovery of the argon as an argon product. A two-phase stream can be formed by either expanding at least part of a liquid air stream or by a liquid oxygen column bottoms formed within a higher pressure column of the multiple column arrangement. The liquid air stream is formed by liquefying part of the air feed to be fractionated against vaporizing a pumped liquid stream composed of nitrogen and/or oxygen. The diversion of the nitrogen vapor contained in the nitrogen-rich fraction increases the liquid to vapor ratio within the lower pressure column to increase the argon recovery. | ||||||
| 96 | Verfahren und Vorrichtung zur Gewinnung von Krypton und/oder Xenon durch Tieftemperaturzerlegung von Luft | EP02023333.4 | 2002-10-18 | EP1308680B1 | 2006-06-07 | Schwenk, Dirk, Dr. |
| 97 | Air separation | EP94302953.8 | 1994-04-25 | EP0633438B2 | 2002-04-17 | Rathbone, Thomas |
| 98 | Production of nitrogen | EP98309443.4 | 1998-11-18 | EP0921367A3 | 1999-09-29 | Oakey, John Douglas; Higginbotham, Paul |
Nitrogen is produced by separation of it from air. Nitrogen so separated is condensed. Most or all of the nitrogen is separated by rectification. At least some of the condensed nitrogen is employed as reflux in the rectification. The nitrogen is both separated and condensed at three or more different pressures. For example, air separated in an arrangement of rectification columns comprising a double rectification column 14 (itself comprising a higher pressure column 16 and a lower pressure column 18) and an auxiliary rectification column 22. Nitrogen separated in the column 16 is condensed in condenser -reboiler 20; nitrogen separated in the column 18 is condensed in condenser 24, and nitrogen separated in the column 22 is condensed in condenser 26. |
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| 99 | Production of nitrogen | EP98309443.4 | 1998-11-18 | EP0921367A2 | 1999-06-09 | Oakey, John Douglas; Higginbotham, Paul |
Nitrogen is produced by separation of it from air. Nitrogen so separated is condensed. Most or all of the nitrogen is separated by rectification. At least some of the condensed nitrogen is employed as reflux in the rectification. The nitrogen is both separated and condensed at three or more different pressures. For example, air separated in an arrangement of rectification columns comprising a double rectification column 14 (itself comprising a higher pressure column 16 and a lower pressure column 18) and an auxiliary rectification column 22. Nitrogen separated in the column 16 is condensed in condenser -reboiler 20; nitrogen separated in the column 18 is condensed in condenser 24, and nitrogen separated in the column 22 is condensed in condenser 26. |
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| 100 | Cryogenic rectification system for producing elevated pressure nitrogen | EP95104401.5 | 1995-03-24 | EP0674144A1 | 1995-09-27 | Bonaquist, Dante Patrick; Roberts, Mark Julien |
A cryogenic rectification system for producing large quantities of elevated pressure nitrogen (128) employing an additional column (107) operating at a pressure intermediate to that of higher (104) and lower (115) pressure columns, thereby optimizing nitrogen recovery by improving the flexibility of refrigeration production. |
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