CN104685310A - 空气分离方法和设备 - Google Patents

空气分离方法和设备 Download PDF

Info

Publication number
CN104685310A
CN104685310A CN201280049443.9A CN201280049443A CN104685310A CN 104685310 A CN104685310 A CN 104685310A CN 201280049443 A CN201280049443 A CN 201280049443A CN 104685310 A CN104685310 A CN 104685310A
Authority
CN
China
Prior art keywords
stream
air
pressure column
liquid
oxygen
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
Application number
CN201280049443.9A
Other languages
English (en)
Chinese (zh)
Inventor
H.E.霍华德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of CN104685310A publication Critical patent/CN104685310A/zh
Pending legal-status Critical Current

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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression 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
    • F25J3/0429—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
    • F25J3/04406—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 dual pressure main column system
    • F25J3/04412—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 dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high 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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms

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)
CN201280049443.9A 2011-10-07 2012-09-21 空气分离方法和设备 Pending CN104685310A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/268,117 US20130086941A1 (en) 2011-10-07 2011-10-07 Air separation method and apparatus
US13/268117 2011-10-07
PCT/US2012/056503 WO2013052288A2 (fr) 2011-10-07 2012-09-21 Procédé et appareil de séparation d'air

Publications (1)

Publication Number Publication Date
CN104685310A true CN104685310A (zh) 2015-06-03

Family

ID=47018506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280049443.9A Pending CN104685310A (zh) 2011-10-07 2012-09-21 空气分离方法和设备

Country Status (3)

Country Link
US (1) US20130086941A1 (fr)
CN (1) CN104685310A (fr)
WO (1) WO2013052288A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111406191A (zh) * 2017-12-25 2020-07-10 乔治洛德方法研究和开发液化空气有限公司 具有反向主热交换器的单封装空气分离设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109084528B (zh) * 2018-08-20 2024-04-12 盈德气体工程(浙江)有限公司 一种新增制氮塔的深冷空分系统
CN112969896B (zh) * 2018-10-26 2023-05-02 乔治洛德方法研究和开发液化空气有限公司 板翅式热交换器组件
CN109323534A (zh) * 2018-11-06 2019-02-12 杭州杭氧股份有限公司 一种通过低温精馏法提纯空气制取高压氧气方法及装置
US11828532B2 (en) * 2020-12-31 2023-11-28 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for transfer of liquid

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790866A (en) * 1986-11-24 1988-12-13 The Boc Group Plc Air separation
CN1107572A (zh) * 1993-12-22 1995-08-30 英国氧气集团有限公司 分离空气的方法和设备
US5660059A (en) * 1995-07-06 1997-08-26 The Boc Group Plc Air separation
US5956973A (en) * 1997-02-11 1999-09-28 Air Products And Chemicals, Inc. Air separation with intermediate pressure vaporization and expansion
CN1232166A (zh) * 1998-04-14 1999-10-20 普拉塞尔技术有限公司 连续液体空气进料的低温精馏系统
US6691532B2 (en) * 2001-11-13 2004-02-17 The Boc Group, Inc. Air separation units

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746342A (en) * 1985-11-27 1988-05-24 Phillips Petroleum Company Recovery of NGL's and rejection of N2 from natural gas
FR2721383B1 (fr) * 1994-06-20 1996-07-19 Maurice Grenier Procédé et installation de production d'oxygène gazeux sous pression.
US5551258A (en) * 1994-12-15 1996-09-03 The Boc Group Plc Air separation
US6009723A (en) * 1998-01-22 2000-01-04 Air Products And Chemicals, Inc. Elevated pressure air separation process with use of waste expansion for compression of a process stream

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790866A (en) * 1986-11-24 1988-12-13 The Boc Group Plc Air separation
CN1107572A (zh) * 1993-12-22 1995-08-30 英国氧气集团有限公司 分离空气的方法和设备
US5660059A (en) * 1995-07-06 1997-08-26 The Boc Group Plc Air separation
US5956973A (en) * 1997-02-11 1999-09-28 Air Products And Chemicals, Inc. Air separation with intermediate pressure vaporization and expansion
CN1232166A (zh) * 1998-04-14 1999-10-20 普拉塞尔技术有限公司 连续液体空气进料的低温精馏系统
US6691532B2 (en) * 2001-11-13 2004-02-17 The Boc Group, Inc. Air separation units

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111406191A (zh) * 2017-12-25 2020-07-10 乔治洛德方法研究和开发液化空气有限公司 具有反向主热交换器的单封装空气分离设备
CN111406191B (zh) * 2017-12-25 2021-12-21 乔治洛德方法研究和开发液化空气有限公司 具有反向主热交换器的单封装空气分离设备
US11709018B2 (en) 2017-12-25 2023-07-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'expoitation Des Procedes Georges Claude Single packaged air separation apparatus with reverse main heat exchanger

Also Published As

Publication number Publication date
WO2013052288A2 (fr) 2013-04-11
US20130086941A1 (en) 2013-04-11
WO2013052288A3 (fr) 2015-09-17

Similar Documents

Publication Publication Date Title
US9222725B2 (en) Air separation method and apparatus
US20080223077A1 (en) Air separation method
CA3073932C (fr) Systeme et procede de recuperation de gaz non condensables tels que le neon, l'helium, le xenon et le krypton a partir d'une unite de separation d'air
KR100192874B1 (ko) 공기 분리
US20120036891A1 (en) Air separation method and apparatus
EP0518491B1 (fr) Séparation d'air à pression élevée avec production de liquide
US20160025408A1 (en) Air separation method and apparatus
KR100198352B1 (ko) 질소 생성을 위한 공기 분리방법 및 장치
CN101351680B (zh) 低温空气分离法
US20110192194A1 (en) Cryogenic separation method and apparatus
CN101925790A (zh) 用于低温分离空气的方法和设备
US20090320520A1 (en) Nitrogen liquefier retrofit for an air separation plant
US9360250B2 (en) Process and apparatus for the separation of air by cryogenic distillation
CN102047057A (zh) 分离空气的方法和设备
US11635254B2 (en) Utilization of nitrogen-enriched streams produced in air separation units comprising split-core main heat exchangers
CA3073930A1 (fr) Systeme et procede de recuperation de neon et d'helium a partir d'une unite de distillation d'air
CN104685310A (zh) 空气分离方法和设备
RU2012101231A (ru) Способ и устройство для производства сжатого продукта
CN102192637B (zh) 空气分离方法和设备
CA2634483C (fr) Systeme de separation cryogenique d'air
US20170284735A1 (en) Air separation refrigeration supply method
US5934106A (en) Apparatus and method for producing nitrogen
CN1117260C (zh) 空气的分离方法和装置
US9182170B2 (en) Oxygen vaporization method and system
CN104364597B (zh) 空气分离方法和设备

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150603