KR970010644A - 초-고순도 산소의 제조 방법 - Google Patents

초-고순도 산소의 제조 방법 Download PDF

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Publication number
KR970010644A
KR970010644A KR1019960033137A KR19960033137A KR970010644A KR 970010644 A KR970010644 A KR 970010644A KR 1019960033137 A KR1019960033137 A KR 1019960033137A KR 19960033137 A KR19960033137 A KR 19960033137A KR 970010644 A KR970010644 A KR 970010644A
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Prior art keywords
reboiler
oxygen
impurities
fluid
high purity
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KR1019960033137A
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English (en)
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이. 쉘턴 제임스
하 바오
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띠에리 쉬에르
레르 리뀌드, 소시에떼 아노님 뿌르 레뛰드 에 렉스쁠로와따시옹 데 프로세데 죠르쥬 끌로드
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Publication of KR970010644A publication Critical patent/KR970010644A/ko

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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
    • F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
    • 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
    • F25J2200/02—Processes or apparatus using separation by rectification in a single 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
    • F25J2200/30—Processes or apparatus using separation by rectification using a side column in a single pressure 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
    • 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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/50—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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
    • F25J2215/56—Ultra high purity oxygen, i.e. generally more than 99,9% O2
    • 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
    • F25J2250/42—One fluid being 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
    • 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
    • F25J2250/50—One fluid being 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/42—Quasi-closed internal or closed external nitrogen refrigeration cycle
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/90—Details about safety operation of the installation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/90—Triple column

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

본 발명은 초-고순도의 유체 생성물을 제조하기 위한 방법에 관한 것으로서, 이 방법은 초-고순도 유체 생성물을 저온 분별 대역의 하부로 수집하는 단계; 제1리보일러에서 간접 열 교환에 의해 순도가 낮은 동일한 유체 생성물의 조성물 중 일부를 응축시킴으로써 상기 분별 대역을 재비등(reboil)시키는 단계; 및 고온류의 불순물이 섞인 유체와 간접 열교환시킴으로써 순도가 낮은 상기 조성물의 일부를 기화시키는 단계를 포함한다.

Description

초-고순도 산소의 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 중간의 리보일러(reboiler)와 하부의 리보일러를 구비한 저온 컬럼의 하부 부분도이다.

Claims (16)

  1. (a) 초-고순도(ultra-high purity) 유체 생성물을 저온 분별 대역의 하부에 수집하는 단계; (b) 제1리보일러에서 간접 열교환에 의해 순도가 낮은 동일한 유체 생성물의 조성물 중 일부를 응축시킴으로써 상기 분별 대역을 재비등시키는 단계: 및 (c) 고온류의 불순물이 섞인 유체와 간접 열교환시킴으로써 순도가 낮은 상기 조성물 중 일부를 기화시키는 단계를 포함하는 초-고순도 유체 생성물의 제조 방법.
  2. 제1항에 있어서, 초-고순도 생성물이 산소이고, 순도가 낮은 조성물이 시판용 등급의 산소인 제조 방법.
  3. 제2항에 있어서, 초-고순도 산소가 20ppb 미만의 불순물을 포함하는 제조 방법.
  4. 제1항에 있어서 불순물이 섞인 유체가 질소인 제조 방법.
  5. 제4항에 있어서, 분별 컬럼이 산소 정제 공정에서 산소와 아르곤의 혼합물로부터 아르곤을 분리하기 위한 아르곤 분별 컬럼인 제조 방법.
  6. (a) 불순물을 포함하는 액상 산소를 재1분별 중류 컬럼에 공급하는 단계: (b) 상기 제1컬럼에서 분별함으로써 산소보다 고온에서 비등하는 불순물을 분리하여 무거운(heavy) 불순물이 거의 없는 산소 오버헤드 스트림을 형성시키는 단개: (c) 상기 산소 오버헤드 스트림 중 적어도 일부를 제2저온 증류 컬럼에 공급하는 단계: (d) 상기 제2증류 컬럼의 하부에 있는 제1리보일러에서 간접 열교환에 의해 순도 등급이 낮은 산소 중 일부를 응축시켜 상기 제2증류 컬럼을 재비등시키는 단계: 밋 (e) 상기 순도가 낮은 유체중 일부를 고온류의 불순물이 섞인 유체와 간접 열교환시킴으로써 기화시키는 단계를 포함하는 초-고순도 산소 생성물의 제조 방법.
  7. 제6항에 있어서, 고온 스트림이 순환 질소인 제조 방법.
  8. 제6항에 있어서 초-고순도 산소가 약 5 내지 약 10psig의 압력에서 산출되는 제조 방법.
  9. 제8항에 있어서, 순도가 낮은 산소는 약 8 내지 약 20psig의 압력에서 상기 제1리보일러에서 응축시키는 제조방법.
  10. 제9항에 있어서, 순환 질소는 약 60 내지 약 110psig의 압력에서 상기 제2리보일러로 수송시키는 제조방법.
  11. 제6항에 있어서, 초-고순도 산소 생성물은 10ppb 미만의 불순물을 포함하는 제조 방법.
  12. 제6항에 있어서, 초-고순도 산소 생성물은 3ppb 미만의 불순물을 포함하는 제조 방법.
  13. (a) 하부에 제1리보일러를 갖는 분별 증류 컬럼: (b) 유체중 일부를 간접 열교환에 의해 기화시키는 제2리보일러 ; (c) 기화된 유체중 일부를 상기 제1리보일러로 수송시켜 상기 제1리보일러에서 상기 유제중 적어도 일부를 응축시키는 관 부재 : 및 (d) 불순물이 섞인 유체를 상기 제2리보일러로 수송시켜 상기 중간체 유체 중 일부를 기화시키기 위한 열을 제공하는 부재를 포함하는 저온 증류에 의한 초-고순도 유체 제조용 시스템.
  14. 제13항에 있어서, 액상의 산소 공급물 스트림에서 산소보다 비점이 높은 성분들을 분리하기 위한 헤비(heavy) 제거 증류 컬럼을 추가로 구비하고, 상기 분별 중류 컬럼은 상기 산호 오버헤드 스트림에서 아르곤을 분리하기 위한 아르곤 컬럼인 시스템.
  15. 제13항에 있어서. 압축된 질소를 제2리보일러로 수송하기 위한 관 부재 및 순환 질소 압축기를 추가로 구비하는 시스템.
  16. 제1리보일러를 갖는 저온 증류 컬럼의 하부에 수집된 초-고순도 유채의 제조 방법에 있어서, 고온의 불순물이 섞인 스트림을 제2리보일러로 수송시켜 순도가 낮은 유체중 일부를 기화시키고, 상기 제1리보일러에서 기화된 순도가 낮은 유제중 일부를 응축시켜 상기 증류 컬럼을 재비등시키고, 상기 증류 컬럼에서 배출된 10ppb 미만의 불순물을 함유하는 초-고순도 유체를 제조하는 것을 특징으로 하는 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960033137A 1995-08-11 1996-08-09 초-고순도 산소의 제조 방법 KR970010644A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/514,291 1995-08-11
US08/514,291 US5582032A (en) 1995-08-11 1995-08-11 Ultra-high purity oxygen production

Publications (1)

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KR970010644A true KR970010644A (ko) 1997-03-27

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Country Link
US (1) US5582032A (ko)
EP (1) EP0767350B1 (ko)
JP (1) JPH09170873A (ko)
KR (1) KR970010644A (ko)
CN (1) CN1167244A (ko)
DE (1) DE69619455T2 (ko)

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Publication number Publication date
CN1167244A (zh) 1997-12-10
JPH09170873A (ja) 1997-06-30
EP0767350A2 (en) 1997-04-09
DE69619455T2 (de) 2002-10-02
EP0767350B1 (en) 2002-02-27
DE69619455D1 (de) 2002-04-04
EP0767350A3 (en) 1997-11-19
US5582032A (en) 1996-12-10

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