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KR920017943A - 고산소압하에 산소가스를 제조하는 방법 및 장치 - Google Patents

고산소압하에 산소가스를 제조하는 방법 및 장치 Download PDF

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KR920017943A
KR920017943A KR1019920003937A KR920003937A KR920017943A KR 920017943 A KR920017943 A KR 920017943A KR 1019920003937 A KR1019920003937 A KR 1019920003937A KR 920003937 A KR920003937 A KR 920003937A KR 920017943 A KR920017943 A KR 920017943A
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air
pressure
turbine
oxygen
column
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KR1019920003937A
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KR100210532B1 (ko
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그라니에르 모리스
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로랑 브라무띠에
레르 리뀌드, 소시에떼 아노뉨 뿌르 레뛰드 에 렉스쁠로와따시옹 데 프로세데 죠르쥬 끌로드
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26228561&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR920017943(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR9102917A external-priority patent/FR2674011B1/fr
Priority claimed from FR9115935A external-priority patent/FR2685460B1/fr
Application filed by 로랑 브라무띠에, 레르 리뀌드, 소시에떼 아노뉨 뿌르 레뛰드 에 렉스쁠로와따시옹 데 프로세데 죠르쥬 끌로드 filed Critical 로랑 브라무띠에
Publication of KR920017943A publication Critical patent/KR920017943A/ko
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Publication of KR100210532B1 publication Critical patent/KR100210532B1/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
    • F25J3/02—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
    • F25J3/04236—Integration of different exchangers in a single core, so-called integrated cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F25J3/04006—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
    • F25J3/04084—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 nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
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    • 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
    • F25J3/04163—Hot end purification of the feed air
    • F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
    • F25J3/04175—Hot end purification of the feed air by adsorption of the impurities at a pressure of substantially more than the highest pressure column
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    • 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
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    • 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
    • F25J3/04296—Claude expansion, i.e. expanded into the main or 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
    • F25J3/04248—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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
    • 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
    • F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
    • F25J3/04393—Details relating to the work expansion, e.g. process parameter etc. using multiple or multistage gas work expansion
    • 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
    • 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
    • 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
    • F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
    • 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
    • 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
    • F25J2215/54—Oxygen production with multiple pressure O2
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    • 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
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    • 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
    • F25J2290/62—Details of storing a fluid in a tank
    • 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
    • Y10S62/939—Partial feed stream expansion, air
    • Y10S62/94—High pressure column

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
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  • Separation By Low-Temperature Treatments (AREA)

Abstract

내용 없음

Description

고산소압하에 산소가스를 제조하는 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 산소가스를 제조하기 위한 장치의 개요도이다.
제2도는 본 발명에 의한 산소의 기화압의 변화를 산소승압의 함수로 나타낸 다이아그램이다.

Claims (25)

  1. 이중 컬럼을 구비하고 있는 장치 내에서, 저압컬럼의 바닥부에서 회수된 액체 산소를 펌핑하고, 상기 장치의 열교환라인에서 고공기압하에 가압된 공기에 의한 열교환에 의해 압축된 산소를 기화시키는 것으로 구성되는 공기 증류에 의해 수행하되, 증류시키고자 하는 모든 공기는 고기압하에 압축시키고, 이 공기 중 열교환라인의 냉각에 필요한 것 이외의 부분은 공기부스터에 의해 감속되는 터어빈내에서 중압컬럼의 압력하에 중간 냉각온도로 팽창시키며, 적어도 하나의 액체 생성물을 장치로부터 회수하는 것을 포함하는 고산소압하에 산소가스를 제조하는 방법.
  2. 제1항에 있어서, 고산소압이 약 13바 이하인 경우, 선택된 고공기압은 상기 고산소압하의 기화중에 산소에 의한 열교환에 의해 형성된 공기의 응축압인 방법.
  3. 제1항에 있어서, 고산소압이 약 13바 이상인 경우, 선택된 고공기압은 고산소압에 상관없이 상기 고산소압하의 기화 중에 산소에 의한 열교환에 의해 형성된 공기의 응축압보다 낮은 압력이며 적어도 약 30바인 방법.
  4. 제3항에 있어서, 상기 고공기압이 30바 정도이고, 회수되는 액체 생성물의 유량은 고산소압하에 생성된 산소가스의 25% 정도인 방법.
  5. 제1항에 있어서, 약 13바 이상, 그리고 그 이하인 서로 다른 두 종류의 고산소압하에 산소가스를 제조하는 경우, 압축 액체산소로 이루어진 두 흐름을 특이한 고공기압하에서 압축공기에 의한 열교환에 의해 기화시키며, 상기 특이한 고공기압이란 한편으로는 최고 고산소압하의 기화 중에 산소에 의한 열교환에 의해 형성된 공기의 응축압보다 낮고, 다른 한편으로는 적어도 약 30바 정도로서 어떤 경우에라도 최저 고산소압하의 기화중에 산소에 의한 열교환에 의해 형성된 공기의 응축압보다 높은 것인 방법.
  6. 제1항에 있어서, 공기는 2단계로 압축되고, 최종 단계는 터어빈에 의해 작동되는 부스터에 의해 수행되는 방법.
  7. 제1항에 있어서, 이중컬럼으로부터 회수되며 펌프에 의해 임의로 압축된 가압하의 액체 질소도 열교환라인 내에서 열교환기에 의해 고공기압하의 공기에 의해서 기화시키는 방법.
  8. 제1항에 있어서, 중압 공기중 일부는 액체상을 임의로 분리한 후에 제2터어빈내에서 저압하에 팽창시켜 저압 컬럼으로 주입시키는 방법.
  9. 제8항에 있어서, 저압하에 팽창된 공기는 중앙 컬럼의 바닥부로부터 회수되는 방법.
  10. 고산소압하에 산소 가스를 제조하기 위한 장치로서, 저압컬럼과 중앙컬럼을 포함하는 공기증류용 이중컬럼과, 저압컬럼의 바닥부에서 회수된 액체산소를 압축시키는 펌프와, 공기중 일부를 고공기압에서 증류시키기 위해 공기를 압축시키는 수단과, 고공기압하의 상기 공기, 중 일부를 압축된 액체 산소와 열교환관계로 유지시키는 열교환 라인을 포함하는 형태이며, 상기 공기압축 수단은 증류시키고자 하는 모든 공기를 처리하고, 상기 장치는 열교환 라인의 중간 지점에 위치하는, 공기 부스터에 의해 감속되며 흡입관이 공기 냉각도관에 접속되어 있는 팽창터어빈과, 상기 장치로부터 적어도 하나의 액체 생성물을 회수하는 수단을 부가로 포함하고, 상기 터어빈의 배출구는 중앙컬럼에 직접 연결되어 있는 장치.
  11. 제10항에 있어서, 상기 공기 압축 수단이 주 공기압축기와 상기 터어빈에 접속되어 있는 부스터를 포함하는 장치.
  12. 제11항에 있어서, 상기 열교환라인이 상기 이중컬럼으로부터 회수된 액체 질소를 고압의 공기에 의해 열교환하여 기화시키는 도관들과, 열교환 라인의 상류에 배치된 상기 액체 질소를 압축하는 임의의 펌프를 포함하는 장치.
  13. 제12항에 있어서, 중앙 공기중 일부를 저압에서 팽창시키는 제2팽창 터어빈 및 공기를 송풍하여 저압 컬럼내에서 팽창시키는 수단을 포함하는 장치.
  14. 저압 컬럼 및 중앙 컬럼으로 이루어진 이중 컬럼을 구비한 장치내에서, 저압컬럼의 바닥부에서 회수된 액체산소를 펌핑하고, 중압보다 상당히 높은 고압의 공기에 의한 열 교환에 의해 압축된 액체 산소를 기화시키는 것으로 구성되는 공기증류에 의해 수행하되, 증류하고자 하는 모든 공기는 중압보다 상당히 높은 제 1고압하에 압축시키고 ; 상기 공기의 일부는 상기 제 1고압하에서 중간 냉각온도로 냉각시키고 최소한 일부는 터어빈에서 중압으로 팽창시킨 후 이중 컬럼으로 도입시키며 ; 제1고압하의 나머지 공기는 제2고압으로 승압시키고, 그 유량이 기화되는 액체 산소의 유량보다 적은 승압된 공기중 적어도 일부를 냉각 및 액화시켜 팽창시킨 후에 상기 이중컬럼으로 도입시키며 ; 상기 제2고압은, 한편으로는 고산소압하에서 증기화되는 산소에 의한 열교환에 의해 형성된 공기의 응축압 또는 유사 응축압력보다 낮고 적어도 약 30바에 필적하며, 다른 한편으로는 상기 제2고압하에서 공기의 응축 또는 유사응축이 터어빈의 주입구 온도 부근에서 일어나도록 선택하며 ; 적어도 하나의 액체 생성물을 장치로부터 회수하는, 최소한 13바 정도의 고산소압하에서 산소가스를 제조하는 방법.
  15. 제14항에 있어서, 상기 승압은 압축률이 2이하인 송풍기에 의해 수행되는 방법.
  16. 제15항에 있어서, 상기 송풍기와 외부 에너지원에 의해 작동되는 방법.
  17. 제14항에 있어서, 상기 승압은 직렬로 배치되어 있으며 각각 팽창 터어빈에 접속되어 있는 두 개의 송풍기에 의해 수행되며, 제 1송풍기는 제 1고압에서 공기를 팽창시키는 제 1터어빈에 접속되어 있고 제 2송풍기는 상기 승압된 공기의 일부를 팽창시키는 제 2터어빈에 접속되어 있으며, 제 2터어빈의 주입구 온도가 제 1터어빈의 주입구 온도보다 높은 방법.
  18. 제17항에 있어서, 공기의 흐름이 두 송풍기 사이에서 회수되고, 적어도 일부는 냉각 및 액화되어, 팽창된 후에 상기 이중 컬럼으로 도입되는 방법.
  19. 제14항에 있어서, 상기 승압은 상기 제1고압하에 공기를 팽창시키는 터어빈에 접속된 송풍기에 의해 수행되고, 상기 승압된 공기의 일부는 제2송풍기에 접속되어 있는 제2터어빈에서 팽창되고, 그 나머지는 제 2터어빈으로 공급되며, 상기 제2송풍기로부터 배출된 공기는 냉각 및 액화되어 팽창된 후에 이중컬럼으로 도입되는 방법.
  20. 제19항에 있어서, 상기 제2송풍기로부터 배출된 공기가 외부 에너지원에 의해 작동되는 제3송풍기에 의해 재차 승압되는 방법.
  21. 제20항에 있어서, 상기 각각의 터어빈으로부터 배출된 공기의 기체상중 일부가 부가의 터어빈에서 저압하에 팽창되고, 그 후에 저압컬럼으로 도입되는 방법.
  22. 저압 컬럼 및 중앙 컬럼을 포함하는 공기 증류용 이중 컬럼, 상기 저압컬럼의 바닥부에서 회수된 액체 산소압축용 펌프, 증류하고자 하는 공기를 상기 중압보다 아주 높은 고압으로 이끄는 압축 수단 및, 고압의 공기와 압축된 액체산소를 열교환 관계로 유지시키는 열교환 라인을 포함하는 형태이며, 상기 압축수단은 증류하고자 하는 모든 공기를 상기 중압보다 아주 높은 제1고압으로 이끄는 압축기 및상기 제1고압하에 일부 공기를 승압하는 승압수단을 포함하고, 상기 승압수단은 팽창 터어빈에 직렬로 접속 배치되어 있되, 제1송풍기는 상기 제1고압하에 공기를 팽창시키는 터어빈에 접속되어 있고 제 2송풍기는 승압된 공기의 일부를 팽창시키는 제2터어빈에 접속되어 있는 두 개의 송풍기를 포함하며, 상기 제2터어빈의 주입구 온도는 상기 제1터어빈의 주입구 온도보다 높고, 또한 장치로부터 적어도 하나의 액체 생성물을 회수하는 수단을 포함하는 적어도 13바의 고산소압하에서 산소가스를 제조하는 장치.
  23. 제22항에 있어서, 상기 두 개의 송풍기 사이에서 공기 흐름의 견본을 추출하는 수단 및 그 공기 흐름중의 적어도 일부를 냉각시키는 수단, 액화시키는 수단, 팽창시키는 수단 및 이중 컬럼으로 도입하는 수단을 포함하는 장치.
  24. 제23항에 있어서, 제2송풍기 뒤에 직렬로 배치되어 있으며, 외부 에너지원에 의해 작동되는 제3송풍기를 포함하는 장치.
  25. 제24항에 있어서, 상기 터어빈에서 배출된 증기상태의 공기 중 일부를 저압으로 팽창시키는 부가의 터어빈 및, 상기 증기상의 일부를 저압 컬럼으로 송풍하는 수단을 포함하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003937A 1991-03-11 1992-03-10 고산소압하에 산소가스를 제조하는 방법 및 장치 KR100210532B1 (ko)

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FR9102917A FR2674011B1 (fr) 1991-03-11 1991-03-11 Procede et installation de production d'oxygene gazeux sous pression.
FR9102917 1991-03-11
FR9115935A FR2685460B1 (fr) 1991-12-20 1991-12-20 Procede et installation de production d'oxygene gazeux sous pression par distillation d'air
FR9115935 1991-12-20

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AU655630B2 (en) 1995-01-05
US5329776A (en) 1994-07-19
JP2909678B2 (ja) 1999-06-23
DE69214693D1 (de) 1996-11-28
ES2093799T3 (es) 1997-01-01
EP0504029A1 (fr) 1992-09-16
CA2062506C (fr) 2004-07-20
ZA921777B (en) 1992-11-25
JPH0579753A (ja) 1993-03-30
AU1215792A (en) 1992-09-17
EP0504029B1 (fr) 1996-10-23
DE69214693T2 (de) 1997-02-20
CA2062506A1 (fr) 1992-09-12

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