EP2126501A2 - Nitrogen production method and apparatus - Google Patents
Nitrogen production method and apparatusInfo
- Publication number
- EP2126501A2 EP2126501A2 EP08731689A EP08731689A EP2126501A2 EP 2126501 A2 EP2126501 A2 EP 2126501A2 EP 08731689 A EP08731689 A EP 08731689A EP 08731689 A EP08731689 A EP 08731689A EP 2126501 A2 EP2126501 A2 EP 2126501A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stream
- nitrogen
- heat exchanger
- oxygen
- purified
- 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.)
- Granted
Links
Classifications
-
- 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
- F25J3/04248—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
-
- 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
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
-
- 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
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
-
- 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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/52—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being oxygen enriched compared to air, e.g. "crude 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/52—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being oxygen enriched compared to air ("crude 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/10—Boiler-condenser with superposed stages
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/52—One fluid being oxygen enriched compared to air, e.g. "crude oxygen"
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/716,493 US20080216511A1 (en) | 2007-03-09 | 2007-03-09 | Nitrogen production method and apparatus |
PCT/US2008/056239 WO2008112556A2 (en) | 2007-03-09 | 2008-03-07 | Nitrogen production method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2126501A2 true EP2126501A2 (en) | 2009-12-02 |
EP2126501B1 EP2126501B1 (en) | 2010-11-17 |
Family
ID=39740275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08731689A Not-in-force EP2126501B1 (en) | 2007-03-09 | 2008-03-07 | Nitrogen production method and apparatus |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080216511A1 (en) |
EP (1) | EP2126501B1 (en) |
CN (1) | CN101285640B (en) |
AT (1) | ATE488739T1 (en) |
DE (1) | DE602008003541D1 (en) |
WO (1) | WO2008112556A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8272216B2 (en) * | 2008-02-22 | 2012-09-25 | Toyota Jidosha Kabushiki Kaisha | Method for converting solar thermal energy |
US20100003184A1 (en) * | 2008-02-22 | 2010-01-07 | Toyota Jidosha Kabushiki Kaisha | Method for storing solar thermal energy |
JP5365037B2 (en) * | 2008-03-18 | 2013-12-11 | トヨタ自動車株式会社 | Hydrogen generator, ammonia burning internal combustion engine, and fuel cell |
US8004102B2 (en) * | 2009-04-03 | 2011-08-23 | Praxair Technology, Inc. | Refrigeration generation method and system |
DE102009038458A1 (en) * | 2009-08-21 | 2011-02-24 | Linde Ag | Process for separating nitrogen from natural gas |
US10040567B2 (en) * | 2015-09-25 | 2018-08-07 | The Boeing Company | Aircraft nitrogen generation and oxygen distribution |
CN112556314A (en) * | 2020-12-31 | 2021-03-26 | 杭州制氧机集团股份有限公司 | Low-energy-consumption device for preparing pure nitrogen by using single tower and manufacturing method thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967464A (en) * | 1974-07-22 | 1976-07-06 | Air Products And Chemicals, Inc. | Air separation process and system utilizing pressure-swing driers |
US4867773A (en) * | 1988-10-06 | 1989-09-19 | Air Products And Chemicals, Inc. | Cryogenic process for nitrogen production with oxygen-enriched recycle |
US4883519A (en) * | 1988-10-06 | 1989-11-28 | Air Products And Chemicals, Inc. | Process for the production of high pressure nitrogen with split reboil-condensing duty |
US4927441A (en) * | 1989-10-27 | 1990-05-22 | Air Products And Chemicals, Inc. | High pressure nitrogen production cryogenic process |
JP3282040B2 (en) * | 1992-01-24 | 2002-05-13 | 日本酸素株式会社 | Ultra high purity oxygen sampling method and apparatus |
US5551258A (en) * | 1994-12-15 | 1996-09-03 | The Boc Group Plc | Air separation |
US5711167A (en) * | 1995-03-02 | 1998-01-27 | Air Liquide Process & Construction | High efficiency nitrogen generator |
US5868006A (en) * | 1997-10-31 | 1999-02-09 | The Boc Group, Inc. | Air separation method and apparatus for producing nitrogen |
US5934106A (en) * | 1998-01-27 | 1999-08-10 | The Boc Group, Inc. | Apparatus and method for producing nitrogen |
US5899093A (en) * | 1998-05-22 | 1999-05-04 | Air Liquide Process And Construction, Inc. | Process and apparatus for the production of nitrogen by cryogenic distillation |
JP4150107B2 (en) * | 1998-06-23 | 2008-09-17 | 大陽日酸株式会社 | Nitrogen production method and apparatus |
US6330812B2 (en) * | 2000-03-02 | 2001-12-18 | Robert Anthony Mostello | Method and apparatus for producing nitrogen from air by cryogenic distillation |
US20010029749A1 (en) * | 2000-03-02 | 2001-10-18 | Robert Anthony Mostello | Method and apparatus for producing nitrogen from air by cryogenic distillation |
-
2007
- 2007-03-09 US US11/716,493 patent/US20080216511A1/en not_active Abandoned
-
2008
- 2008-03-07 AT AT08731689T patent/ATE488739T1/en not_active IP Right Cessation
- 2008-03-07 WO PCT/US2008/056239 patent/WO2008112556A2/en active Application Filing
- 2008-03-07 EP EP08731689A patent/EP2126501B1/en not_active Not-in-force
- 2008-03-07 DE DE602008003541T patent/DE602008003541D1/en active Active
- 2008-03-07 CN CN200810109272XA patent/CN101285640B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008112556A2 * |
Also Published As
Publication number | Publication date |
---|---|
CN101285640B (en) | 2012-07-11 |
WO2008112556A3 (en) | 2008-12-24 |
WO2008112556A2 (en) | 2008-09-18 |
DE602008003541D1 (en) | 2010-12-30 |
US20080216511A1 (en) | 2008-09-11 |
CN101285640A (en) | 2008-10-15 |
ATE488739T1 (en) | 2010-12-15 |
EP2126501B1 (en) | 2010-11-17 |
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