KR960013411A - 저순도의 산소를 제조하기 위한 사이드 칼럼 저온 정류 시스템 - Google Patents

저순도의 산소를 제조하기 위한 사이드 칼럼 저온 정류 시스템 Download PDF

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KR960013411A
KR960013411A KR1019950033653A KR19950033653A KR960013411A KR 960013411 A KR960013411 A KR 960013411A KR 1019950033653 A KR1019950033653 A KR 1019950033653A KR 19950033653 A KR19950033653 A KR 19950033653A KR 960013411 A KR960013411 A KR 960013411A
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column
passing
oxygen
feed air
turboexpander
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KR1019950033653A
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KR100261915B1 (ko
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정 헨리
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조안 엠. 젤사
프랙스에어 테크놀로지, 인코포레이티드
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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
    • F25J3/04151—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
    • F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
    • 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
    • F25J3/04248—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
    • F25J3/04418—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 with thermally overlapping high and low pressure columns
    • 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
    • F25J2200/34—Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
    • 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
    • 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
    • F25J2215/52—Oxygen production with multiple purity 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
    • F25J2250/02—Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
    • 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
    • F25J2250/04—Down-flowing type boiler-condenser, i.e. with evaporation of a falling liquid film

Abstract

본 발명은 이중 칼럼 및 보조 사이드 칼럼을 사용하는 저온 정류 시스템에 관한 것으로, 시스템이 낮은 헤드압력으로 조절할 수 있게 압축된 공급 공기를 응축할 수 있고 따라서, 조작 비용을 낮출 수 있는 저순도의 산소를 제조할 수 있는 시슬메을 제공한다.
※선택도 제1도

Description

저순도의 산소를 제조하기 위한 사이드 칼럼 저온 정류 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. (A) 공급 공기를 압축하는 단계, (B) 압축된 공급 공기를 최소한 부분적으로 응축시키고, 고압 칼럼을 포함하는 이중칼럼의 고압 칼럼으로 생성되는 공급공기를통과시키는 단계, (C) 저압 칼럼에서 사이드 칼럼으로 50 내지 88%의 산소를 포함하는 조야한 액체 산소를 통과시키는 단계, (D) 사이드 칼럼내의 저온 정류에 의해 조야한 액체 산소를 산소 생성물 및 나머지 기체로 분리하는 단계, (E) 사이드 칼럼에서 저압 칼럼으로 잔여 증기를 통과시키는 단계, (F) 압축된 공기의 최소한 부분적인 응축을 수행하기 위하여 압축된 공급 공기와 간접적으로 열교환함으로서 산소 생성물 유체를 최소한 부분적으로 증기화하는 단계, 및 (G) 조야한 액체의 농도를 초과하는 액체 산소 농도를 가지는 저순도의 산소로서 산소 생성물 유체를 회수하는 단계를 포함하는 저순도 산소를 제조하는 저온 정류 방법.
  2. 제1항에 있어서, 산소 생성물 유체가 기체로서 회수되는 것을 특징으로 하는 방법.
  3. 제1항에 있어서, 산소 생성물 유체가 기체로서 회수되는 것을 특징으로 하는 방법.
  4. 제1항에 있어서, 산소 생성물 유체가 압력이 증가된 액체로서 사이드 칼럼으로부터 배출되는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 압축된 공급 공기의 일부를 터보 팽창시키고 터보팽창된 공급 공기를 저압 칼럼으로 통과시키는 단계를 포함하는 것을 특징으로 하는 방법.
  6. (A) 베이스 로드 공급 공기 압축기, (B) 바닥 재가열기를 가지는 사이드 칼럼, (C) 제1칼럼 및 제2칼럼을 포함하는 이중 칼럼, (D) 베이스 로드 공급 공기 압축기로부터 바닥 재가열기로, 바닥 재가열기로부터 제1칼럼 으로 공급 공기를 통과시키는 수단, (E) 제2칼럼의 하부에서 사이드 칼럼으로 유체를 통과시키는 수단, (F) 사이드 칼럼에서 제2칼럼으로 유체를 통과시키는 수단, 및 (G) 사이드 칼럼에서 생성물을 회수하느 단계를 포함하는 저온 정류 장치.
  7. 제6항에 있어서, 사이드 칼럼으로부터 생성물을 회수하는 수단이 액체 펌프를 포함하는 것을 특징으로 하는 장치.
  8. 제6항에 있어서, 터보팽창기, 터보팽창기로 공급 공기를 통과시키는 수단 및 터보팽창기로 부터의 공급 공기를 통과하는 수단을 포함하는 것을 특징으로 하는 장치.
  9. 제8항에 있어서, 터보팽창기로 공급 공기를 통과시키는 수단이 터보팽창기에 직접 연결된 압축기로부터 도관 수단을 포함하는 터보 팽창기에 직접 연결된 압축기를 포함하는 것을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950033653A 1994-10-04 1995-10-02 저순도의 산소를 제조하기 위한 사이드 칼럼 극저온 정류 시스템 KR100261915B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/317,973 1994-10-04
US08/317,973 US5463871A (en) 1994-10-04 1994-10-04 Side column cryogenic rectification system for producing lower purity oxygen

Publications (2)

Publication Number Publication Date
KR960013411A true KR960013411A (ko) 1996-05-22
KR100261915B1 KR100261915B1 (ko) 2000-07-15

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ID=23236076

Family Applications (1)

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KR1019950033653A KR100261915B1 (ko) 1994-10-04 1995-10-02 저순도의 산소를 제조하기 위한 사이드 칼럼 극저온 정류 시스템

Country Status (9)

Country Link
US (1) US5463871A (ko)
EP (1) EP0706020B1 (ko)
JP (1) JP3182326B2 (ko)
KR (1) KR100261915B1 (ko)
CN (1) CN1103041C (ko)
BR (1) BR9504263A (ko)
CA (1) CA2159751C (ko)
DE (1) DE69511028T2 (ko)
ES (1) ES2134391T3 (ko)

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KR100261915B1 (ko) 2000-07-15
JP3182326B2 (ja) 2001-07-03
ES2134391T3 (es) 1999-10-01
CN1103041C (zh) 2003-03-12
CA2159751A1 (en) 1996-04-05
CN1126305A (zh) 1996-07-10
EP0706020A3 (en) 1996-07-03
US5463871A (en) 1995-11-07
CA2159751C (en) 1997-11-25
DE69511028D1 (de) 1999-09-02
JPH08210769A (ja) 1996-08-20
EP0706020B1 (en) 1999-07-28
BR9504263A (pt) 1998-10-27
EP0706020A2 (en) 1996-04-10

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