EP2728286A4 - Air separation method and apparatus - Google Patents
Air separation method and apparatusInfo
- Publication number
- EP2728286A4 EP2728286A4 EP12803534.2A EP12803534A EP2728286A4 EP 2728286 A4 EP2728286 A4 EP 2728286A4 EP 12803534 A EP12803534 A EP 12803534A EP 2728286 A4 EP2728286 A4 EP 2728286A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- separation method
- air separation
- air
- separation
- 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.)
- Withdrawn
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
-
- 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
- F25J3/0429—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 feed air, e.g. used as waste or product air or expanded into an auxiliary column
- F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
-
- 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
- F25J3/04436—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 at least a triple pressure main column system
- F25J3/04448—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 at least a triple pressure main column system in a double column flowsheet with an intermediate pressure column
-
- 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
- F25J3/04624—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 integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
- F25J3/0463—Simultaneously between rectifying and stripping sections, i.e. double dephlegmator
-
- 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
- F25J2200/08—Processes or apparatus using separation by rectification in a triple pressure main column system
-
- 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
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
- F25J2200/52—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the high pressure column of a double pressure main column system
-
- 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
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
- F25J2200/54—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the low pressure column of a double pressure main column system
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011143159A JP5878310B2 (en) | 2011-06-28 | 2011-06-28 | Air separation method and apparatus |
PCT/JP2012/065071 WO2013002025A1 (en) | 2011-06-28 | 2012-06-13 | Air separation method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2728286A1 EP2728286A1 (en) | 2014-05-07 |
EP2728286A4 true EP2728286A4 (en) | 2016-08-17 |
Family
ID=47423923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12803534.2A Withdrawn EP2728286A4 (en) | 2011-06-28 | 2012-06-13 | Air separation method and apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140109614A1 (en) |
EP (1) | EP2728286A4 (en) |
JP (1) | JP5878310B2 (en) |
CN (1) | CN103620330B (en) |
WO (1) | WO2013002025A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5655104B2 (en) * | 2013-02-26 | 2015-01-14 | 大陽日酸株式会社 | Air separation method and air separation device |
CN104913596B (en) * | 2015-06-17 | 2017-08-25 | 杭州特盈能源技术发展有限公司 | A kind of air-separating plant and method for preparing pressure oxygen |
CN106764434B (en) * | 2016-12-14 | 2019-07-05 | 四川德胜集团钒钛有限公司 | A kind of novel nitrogen feed system |
KR101998254B1 (en) * | 2017-03-27 | 2019-10-01 | 김현태 | Spot Cleaner System |
WO2021005744A1 (en) * | 2019-07-10 | 2021-01-14 | 太陽日酸株式会社 | Air separation device and air separation method |
CN111141110B (en) * | 2020-01-19 | 2021-05-07 | 杭州特盈能源技术发展有限公司 | Low-energy-consumption medium-pressure nitrogen preparation process |
CN111412695B (en) | 2020-03-25 | 2021-01-15 | 西安交通大学 | Super supercooled liquid oxygen acquisition system based on liquid oxygen and liquid nitrogen mixing and vacuumizing |
CN112066644A (en) * | 2020-09-18 | 2020-12-11 | 乔治洛德方法研究和开发液化空气有限公司 | Method and device for producing high-purity nitrogen and low-purity oxygen |
FR3114382B1 (en) * | 2020-09-21 | 2022-11-25 | Air Liquide | Apparatus for air separation by cryogenic distillation with three columns including two concentric columns |
CN114413571A (en) * | 2022-01-24 | 2022-04-29 | 四川空分集团工程有限公司 | Low energy consumption low pressure oxygen air separation plant |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2699046A (en) * | 1947-10-22 | 1955-01-11 | Air Liquide | Process for separating fluid mixtures into fractions of different volatilities |
US4025398A (en) * | 1974-04-11 | 1977-05-24 | Geoffrey Gordon Haselden | Distillation processes and apparatus |
US5513497A (en) * | 1995-01-20 | 1996-05-07 | Air Products And Chemicals, Inc. | Separation of fluid mixtures in multiple distillation columns |
US5715706A (en) * | 1993-04-30 | 1998-02-10 | The Boc Group Plc | Air separation |
EP0831284A2 (en) * | 1996-09-20 | 1998-03-25 | The BOC Group plc | Air separation |
DE10061908A1 (en) * | 2000-12-12 | 2002-06-27 | Messer Ags Gmbh | Device for low temperature decomposition of air, for recovery of nitrogen, oxygen and argon, comprises two-stage rectifier column comprising high pressure column |
JP2003028569A (en) * | 2001-07-17 | 2003-01-29 | Nippon Sanso Corp | Method and apparatus for separating air |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4604116A (en) * | 1982-09-13 | 1986-08-05 | Erickson Donald C | High pressure oxygen pumped LOX rectifier |
US4605427A (en) * | 1983-03-31 | 1986-08-12 | Erickson Donald C | Cryogenic triple-pressure air separation with LP-to-MP latent-heat-exchange |
US4854954A (en) * | 1988-05-17 | 1989-08-08 | Erickson Donald C | Rectifier liquid generated intermediate reflux for subambient cascades |
JPH0672740B2 (en) * | 1989-01-20 | 1994-09-14 | ル・エール・リクイツド・ソシエテ・アノニム・プール・ル・エチユド・エ・ル・エクスプルワテション・デ・プロセデ・ジエオルジエ・クロード | Air separation and ultra high purity oxygen production method and device |
US5628207A (en) * | 1996-04-05 | 1997-05-13 | Praxair Technology, Inc. | Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen |
US5916262A (en) * | 1998-09-08 | 1999-06-29 | Praxair Technology, Inc. | Cryogenic rectification system for producing low purity oxygen and high purity oxygen |
GB9903908D0 (en) * | 1999-02-19 | 1999-04-14 | Boc Group Plc | Air separation |
US6227005B1 (en) | 2000-03-01 | 2001-05-08 | Air Products And Chemicals, Inc. | Process for the production of oxygen and nitrogen |
US6279345B1 (en) * | 2000-05-18 | 2001-08-28 | Praxair Technology, Inc. | Cryogenic air separation system with split kettle recycle |
JP4401999B2 (en) * | 2005-03-31 | 2010-01-20 | 大陽日酸株式会社 | Air separation method and air separation device |
US7472551B2 (en) * | 2005-11-16 | 2009-01-06 | Praxair Technology, Inc. | Cryogenic process system with extended bonnet filter |
JP4782077B2 (en) * | 2007-07-09 | 2011-09-28 | 大陽日酸株式会社 | Air separation method and apparatus |
-
2011
- 2011-06-28 JP JP2011143159A patent/JP5878310B2/en active Active
-
2012
- 2012-06-13 EP EP12803534.2A patent/EP2728286A4/en not_active Withdrawn
- 2012-06-13 US US14/127,252 patent/US20140109614A1/en not_active Abandoned
- 2012-06-13 CN CN201280032710.1A patent/CN103620330B/en active Active
- 2012-06-13 WO PCT/JP2012/065071 patent/WO2013002025A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2699046A (en) * | 1947-10-22 | 1955-01-11 | Air Liquide | Process for separating fluid mixtures into fractions of different volatilities |
US4025398A (en) * | 1974-04-11 | 1977-05-24 | Geoffrey Gordon Haselden | Distillation processes and apparatus |
US5715706A (en) * | 1993-04-30 | 1998-02-10 | The Boc Group Plc | Air separation |
US5513497A (en) * | 1995-01-20 | 1996-05-07 | Air Products And Chemicals, Inc. | Separation of fluid mixtures in multiple distillation columns |
EP0831284A2 (en) * | 1996-09-20 | 1998-03-25 | The BOC Group plc | Air separation |
DE10061908A1 (en) * | 2000-12-12 | 2002-06-27 | Messer Ags Gmbh | Device for low temperature decomposition of air, for recovery of nitrogen, oxygen and argon, comprises two-stage rectifier column comprising high pressure column |
JP2003028569A (en) * | 2001-07-17 | 2003-01-29 | Nippon Sanso Corp | Method and apparatus for separating air |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013002025A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2013011374A (en) | 2013-01-17 |
WO2013002025A1 (en) | 2013-01-03 |
US20140109614A1 (en) | 2014-04-24 |
EP2728286A1 (en) | 2014-05-07 |
CN103620330B (en) | 2015-11-25 |
JP5878310B2 (en) | 2016-03-08 |
CN103620330A (en) | 2014-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB201118807D0 (en) | Method and apparatus | |
GB201120458D0 (en) | Apparatus and method | |
EP2729420A4 (en) | Glass-bending apparatus and method | |
HK1146518A2 (en) | Air treatment apparatus and method | |
GB201104694D0 (en) | Apparatus and method | |
PL2566593T3 (en) | Separation method and separation apparatus | |
GB201102369D0 (en) | Apparatus and method | |
EP2728286A4 (en) | Air separation method and apparatus | |
EP2728858A4 (en) | Receiving apparatus and receiving method thereof | |
GB201212739D0 (en) | Apparatus and method for air monitoring | |
GB201323134D0 (en) | Apparatus and method | |
EP2941608B8 (en) | Air separation method and apparatus | |
GB201106982D0 (en) | Defobrillator apparatus and method | |
ZA201401132B (en) | Separation method and apparatus | |
ZA201307586B (en) | Method and apparatus for particle separation | |
GB201115459D0 (en) | Apparatus and method | |
IL238198A0 (en) | Separation apparatus and method | |
GB201101584D0 (en) | Gas separation apparatus and methods | |
ZA201304092B (en) | Apparatus and method | |
GB201116968D0 (en) | Dehumidification apparatus and method | |
GB201102361D0 (en) | Apparatus and method | |
GB201106882D0 (en) | Apparatus and method | |
ZA201101532B (en) | Air and contaminnt isolation and removal apparatus and method | |
AU2011903619A0 (en) | Separation Method and Apparatus | |
GB201121779D0 (en) | Apparatus and method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130910 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F25J 3/04 20060101AFI20160316BHEP |
|
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20160719 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F25J 3/04 20060101AFI20160713BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170216 |