CN1096095A - 在大于大气压力下生产氧气的单柱方法及其设备 - Google Patents
在大于大气压力下生产氧气的单柱方法及其设备 Download PDFInfo
- Publication number
- CN1096095A CN1096095A CN94105697A CN94105697A CN1096095A CN 1096095 A CN1096095 A CN 1096095A CN 94105697 A CN94105697 A CN 94105697A CN 94105697 A CN94105697 A CN 94105697A CN 1096095 A CN1096095 A CN 1096095A
- Authority
- CN
- China
- Prior art keywords
- flow
- air
- oxygen
- post
- freezing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000001301 oxygen Substances 0.000 title claims abstract description 67
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 67
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000007710 freezing Methods 0.000 claims abstract description 22
- 230000008014 freezing Effects 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000009835 boiling Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 82
- 229910052757 nitrogen Inorganic materials 0.000 claims description 41
- 238000010992 reflux Methods 0.000 claims description 19
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 150000002926 oxygen Chemical class 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000011027 product recovery Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/044—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a single pressure main column system only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
- F25J3/04066—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams of oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/0423—Subcooling of liquid process streams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04309—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04363—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead gas
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US060,144 | 1993-05-13 | ||
US08/060,144 US5363657A (en) | 1993-05-13 | 1993-05-13 | Single column process and apparatus for producing oxygen at above-atmospheric pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1096095A true CN1096095A (zh) | 1994-12-07 |
Family
ID=22027648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94105697A Pending CN1096095A (zh) | 1993-05-13 | 1994-05-11 | 在大于大气压力下生产氧气的单柱方法及其设备 |
Country Status (10)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101886871A (zh) * | 2010-08-04 | 2010-11-17 | 四川空分设备(集团)有限责任公司 | 一种空气分离制取压力氧气的方法及装置 |
CN102797974A (zh) * | 2012-07-31 | 2012-11-28 | 张立永 | 氢脉 |
CN103148676A (zh) * | 2013-01-27 | 2013-06-12 | 南京瑞柯徕姆环保科技有限公司 | 一种等压分离制取氧氮的空分装置 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442925A (en) * | 1994-06-13 | 1995-08-22 | Air Products And Chemicals, Inc. | Process for the cryogenic distillation of an air feed to produce a low to medium purity oxygen product using a single distillation column system |
US5463869A (en) * | 1994-08-12 | 1995-11-07 | Air Products And Chemicals, Inc. | Integrated adsorption/cryogenic distillation process for the separation of an air feed |
US5582034A (en) * | 1995-11-07 | 1996-12-10 | The Boc Group, Inc. | Air separation method and apparatus for producing nitrogen |
US5611218A (en) * | 1995-12-18 | 1997-03-18 | The Boc Group, Inc. | Nitrogen generation method and apparatus |
US5837107A (en) * | 1995-12-20 | 1998-11-17 | Basf Aktiengesellschaft | Process for production of aqueous solutions of free hydroxylamine |
US5832748A (en) * | 1996-03-19 | 1998-11-10 | Praxair Technology, Inc. | Single column cryogenic rectification system for lower purity oxygen production |
US5704229A (en) * | 1996-12-18 | 1998-01-06 | The Boc Group, Inc. | Process and apparatus for producing nitrogen |
US5711166A (en) * | 1997-01-22 | 1998-01-27 | The Boc Group, Inc. | Air separation method and apparatus |
US5924307A (en) * | 1997-05-19 | 1999-07-20 | Praxair Technology, Inc. | Turbine/motor (generator) driven booster compressor |
AUPO775697A0 (en) * | 1997-07-07 | 1997-07-31 | Inland Oil Refiners (Qld) Pty Ltd | Method and apparatus for fractional distillation |
DE102007051184A1 (de) * | 2007-10-25 | 2009-04-30 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Tieftemperatur-Luftzerlegung |
DE102007051183A1 (de) * | 2007-10-25 | 2009-04-30 | Linde Aktiengesellschaft | Verfahren zur Tieftemperatur-Luftzerlegung |
DE102008064117A1 (de) | 2008-12-19 | 2009-05-28 | Linde Ag | Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft |
EP2236964B1 (de) * | 2009-03-24 | 2019-11-20 | Linde AG | Verfahren und Vorrichtung zur Tieftemperatur-Luftzerlegung |
JP6546504B2 (ja) * | 2015-10-20 | 2019-07-17 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 酸素製造システム及び酸素製造方法 |
CN110980653A (zh) * | 2020-02-13 | 2020-04-10 | 山东保善生物科技有限公司 | 一种新型制氧装置 |
CN115523583A (zh) * | 2021-06-25 | 2022-12-27 | 重庆美的制冷设备有限公司 | 空调器的制氧控制方法、空调器及存储介质 |
JP2023157427A (ja) * | 2022-04-15 | 2023-10-26 | レール・リキード-ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 窒素発生装置および窒素発生方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3203193A (en) * | 1963-02-06 | 1965-08-31 | Petrocarbon Dev Ltd | Production of nitrogen |
DE1501723A1 (de) * | 1966-01-13 | 1969-06-26 | Linde Ag | Verfahren und Vorrichtung zur Erzeugung gasfoermigen Hochdrucksauerstoffs bei der Tieftemperaturrektifikation von Luft |
US3756035A (en) * | 1966-04-04 | 1973-09-04 | Mc Donnell Douglas Corp | Separation of the components of gas mixtures and air |
DE2544340A1 (de) * | 1975-10-03 | 1977-04-14 | Linde Ag | Verfahren zur luftzerlegung |
GB1523434A (en) * | 1975-10-08 | 1978-08-31 | Petrocarbon Dev Ltd | Production of nitrogen |
DE2557453C2 (de) * | 1975-12-19 | 1982-08-12 | Linde Ag, 6200 Wiesbaden | Verfahren zur Gewinnung von gasförmigem Sauerstoff |
US4357153A (en) * | 1981-03-30 | 1982-11-02 | Erickson Donald C | Internally heat pumped single pressure distillative separations |
GB2120374B (en) * | 1982-05-11 | 1985-09-18 | Petrocarbon Dev Ltd | Improvements in the production of nitrogen from air |
JPS61110872A (ja) * | 1984-11-02 | 1986-05-29 | 日本酸素株式会社 | 窒素製造方法 |
JPS61130769A (ja) * | 1984-11-30 | 1986-06-18 | 株式会社日立製作所 | 低温廃ガスを利用した寒冷発生方法 |
US4867773A (en) * | 1988-10-06 | 1989-09-19 | Air Products And Chemicals, Inc. | Cryogenic process for nitrogen production with oxygen-enriched recycle |
US4869742A (en) * | 1988-10-06 | 1989-09-26 | Air Products And Chemicals, Inc. | Air separation process with waste recycle for nitrogen and oxygen production |
US4848996A (en) * | 1988-10-06 | 1989-07-18 | Air Products And Chemicals, Inc. | Nitrogen generator with waste distillation and recycle of waste distillation overhead |
US4966002A (en) * | 1989-08-11 | 1990-10-30 | The Boc Group, Inc. | Process and apparatus for producing nitrogen from air |
US5123946A (en) * | 1990-08-22 | 1992-06-23 | Liquid Air Engineering Corporation | Cryogenic nitrogen generator with bottom reboiler and nitrogen expander |
-
1993
- 1993-05-13 US US08/060,144 patent/US5363657A/en not_active Expired - Fee Related
-
1994
- 1994-04-13 TW TW083103276A patent/TW237515B/zh active
- 1994-04-21 CA CA002121879A patent/CA2121879A1/en not_active Abandoned
- 1994-04-29 AU AU60792/94A patent/AU680472B2/en not_active Ceased
- 1994-05-05 ZA ZA943124A patent/ZA943124B/xx unknown
- 1994-05-10 DE DE69408492T patent/DE69408492D1/de not_active Expired - Lifetime
- 1994-05-10 EP EP94303347A patent/EP0624767B1/en not_active Expired - Lifetime
- 1994-05-11 CN CN94105697A patent/CN1096095A/zh active Pending
- 1994-05-11 MY MYPI94001185A patent/MY111097A/en unknown
- 1994-05-13 JP JP6100006A patent/JPH0771872A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101886871A (zh) * | 2010-08-04 | 2010-11-17 | 四川空分设备(集团)有限责任公司 | 一种空气分离制取压力氧气的方法及装置 |
CN101886871B (zh) * | 2010-08-04 | 2012-08-08 | 四川空分设备(集团)有限责任公司 | 一种空气分离制取压力氧气的方法及装置 |
CN102797974A (zh) * | 2012-07-31 | 2012-11-28 | 张立永 | 氢脉 |
CN103148676A (zh) * | 2013-01-27 | 2013-06-12 | 南京瑞柯徕姆环保科技有限公司 | 一种等压分离制取氧氮的空分装置 |
WO2014114138A1 (zh) * | 2013-01-27 | 2014-07-31 | 南京瑞柯徕姆环保科技有限公司 | 一种等压分离制取氧氮的空分装置 |
CN103148676B (zh) * | 2013-01-27 | 2016-03-30 | 南京瑞柯徕姆环保科技有限公司 | 一种等压分离制取氧氮的空分装置 |
Also Published As
Publication number | Publication date |
---|---|
DE69408492D1 (de) | 1998-03-19 |
EP0624767B1 (en) | 1998-02-11 |
ZA943124B (en) | 1995-02-22 |
EP0624767A1 (en) | 1994-11-17 |
MY111097A (en) | 1999-08-30 |
CA2121879A1 (en) | 1994-11-14 |
US5363657A (en) | 1994-11-15 |
TW237515B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-01-01 |
AU680472B2 (en) | 1997-07-31 |
JPH0771872A (ja) | 1995-03-17 |
AU6079294A (en) | 1994-11-17 |
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