KR970028406A - 초대기압에서 산소 및 질소를 제조하기 위한 방법 및 장치 - Google Patents

초대기압에서 산소 및 질소를 제조하기 위한 방법 및 장치 Download PDF

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KR970028406A
KR970028406A KR1019960058616A KR19960058616A KR970028406A KR 970028406 A KR970028406 A KR 970028406A KR 1019960058616 A KR1019960058616 A KR 1019960058616A KR 19960058616 A KR19960058616 A KR 19960058616A KR 970028406 A KR970028406 A KR 970028406A
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pressure column
column
heat exchange
low pressure
low
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KR1019960058616A
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로트만 디트리히
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라이너 카섹케르트; 디트마르 임호프
린데 악티엔게젤샤프트
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Publication of KR970028406A publication Critical patent/KR970028406A/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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
    • F25J3/04915—Combinations of different material exchange elements, e.g. within different 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
    • 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
    • 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
    • F25J3/04006—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
    • F25J3/04103—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 using solely hydrostatic liquid head
    • 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
    • F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product
    • F25J3/04212—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product and simultaneously condensing vapor from a column serving as reflux within the or another 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
    • F25J3/04321—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 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
    • F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/04363—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams 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
    • F25J3/04406—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
    • F25J3/04424—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 without thermally coupled high and low pressure columns, i.e. a so-called split 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
    • 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
    • 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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F25J3/04878—Side by side arrangement of multiple vessels in a main column system, wherein the vessels are normally mounted one upon the other or forming different sections of the same 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
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/50—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being oxygen

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Abstract

본 방법 및 장치는 초대기압에서 정류 칼럼 시스템에서 공기의 저온 분리에 의해 산소 및 질소를 제조하기 위해 사용된다. 압축되고 정제된 공급 공기(1, 3)는 압력 칼럼(4)에 도입된다. 압력 칼럼(4)의 하부 영역으로부터 및, 각각, 상부 또는 중간 영역으로부터 액체들은 저-압 칼럼(7)으로 공급된다. 저-압 칼럼(7)의 하부 영역으로부터 제3액체 분획(17)은 압력 칼럼(4)의 상부 영역으로부터 응축 증기와의, 적어도 저압 칼럼(7)으로 도입되는 과정에서 수득된 증기(22, 24, 26, 27)의 일부와의 ,간접 열 교환 중에 증발된다. 응축물은 압력 칼럼(4)으로 공급된다. 가압된 질소 분획(10, 14, 15)은 압력 칼럼(4)의 상부 영역으로부터 생성물로써 추출된다. 저압 칼럼(17)의 하부 영역으부터 제3액체 분획(17)의 압력은 간접 열 교환(12)의 증가된 업스트림이다; 간접 열 교환이 일어나는 동안 수득된 및 저압 칼럼으로 회귀된 증기의 일부(24)는 저압 칼럼(7)으로 도입 (27)되기 이전에 팽창된다.

Description

초대기압에서 산소 및 질소를 제조하기 위한 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 먼저 특히 본 발명에 따른 방법의 및 장치의 바람직한 예시적인 구체예를 보여준다.

Claims (11)

  1. (a) 압축되고 정제된 공급 공기(1, 3)는 압력 칼럼(4)내로 주입시키는 단계, (b) 압력 칼럼(4)의 하부 영역으로부터 제1액체 분획(5)의 일부 또는 전부를 저압 칼럼(7)내로 주입시키는 단계, (c) 압력 칼럼(4)의 상부 또는 중간 영역으로부터 제2액체 분획(8)을 저압 칼럼(7)내로 주입시키는 단계, (d) 압력 칼럼(4)의 상부 영역으로부터 응축 증기(11)와의 간접 열 교환으로 저압 칼럼(7)의 하부 영역으로부터 제3액체 분획(17)을 증발시키는 단계, (e) 간접 열 교환이 일어나는 동안 수득된 중기(22, 24, 25, 27)의 일부 또는 전부를 저압 칼럼 (7) 내로 주입시키는 단계, (f) 간접 열 교환이 일어나는 동안 수득된 응축물(13)의 일부 또는 전부를 압력 칼럼(4)내로 주입시키는 단계, (g) 압력 칼럼(4)의 상부 영역으로부터 생성물로써 가압된 질소 분획(10, 14, 15)을 추출하는 단계를 포함하는, 압력 칼럼(4) 및 저압 칼럼(7)을 갖는 정류 칼럼 시스템에서 공기의 저온분리에 의한 초대기압에서 산소 및 질소를 제조하는 방법으로서, (h) 저압 칼럼(7)의 하부 영역으로부터 제3액체 분획(17)의 압력을 압력 칼럼(4)의 상부 영역으로부터 응축 증기(11)와의 간접 열 교환의 증가된 업스트림이고, (i) 간접 열 교환이 일어나는 동안 수득되고 저압 칼럼(7)내로 회귀한 증기의 일부 또는 전부(24)를 저압 칼럼(7)내로 주입되기 이전에 팽창되는 것을 특징으로 하는 방법.
  2. 제1항에 있어서, 간접 열 교환이 일어나는 동안 수득된 증기의 팽창을 작업을 수행하는 방식에 있어서 단계(i)에 따라 수행하는 것을 특징으로 하는 방법.
  3. 제2항에 있어서, 간접 열 교환이 일어나는 동안 수득된 증기의 팽창이 일어나는 동안 수득된 일부 증기의 일부 또는 전부를 공정 흐름(31)을 압축하는데 사용하는 것을 특징으로 하는 방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 간접 열 교환이 일어나는 동안 수득된 증기(22)를 단계(i)에 따라 팽창의 가열된 업스트림인 것을 특징으로 하는 방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 간접 열 교환이 일어나는 동안 수득된 증기(22)의 일부 또는 전부(23)를 가압된 산소 생성물로써 수득하는 것을 특징으로 하는 방법.
  6. 제1항 내지 제5항 중 어느 한 항에 있어서, 아르곤-함유 분획(35)을 저압 칼럼(7)으로부터 원료 아르곤 칼럼(34)내로 주입하는 것을 특징으로 하는 방법.
  7. (a) 압축되고 정제된 공급 공기(1, 3)는 압력 칼럼(4)내로 주입시키기 위한 공급 공기 라인(1, 3), (b) 압력 칼럼(4)의 하부 영역을 저압 칼럼(7)에 연결시키는 제1액체 분획 라인(5), (c) 압력칼럼(4)의 상부 또는 중간 영역을 저압 칼럼(7)에 연결시키는 제2액체 분획 라인(8), (d) 증발 챔버가 제3액체 분획 라인(17)을 통해 저압 칼럼(7)의 하부 영역에 연결되고 응축 챔버가 라인(10 및 11)을 통해 압력 칼럼(4)의 상부 영역에 연결되어 있는 응축기/증발기, (e) 응축기/증발기(12)의 증발 챔버와 저압 칼럼(7) 사이의 증기 라인(22, 24, 26, 27), (f) 응축기/증발기(12)의 응축 챔버와 압력 칼럼(4) 사이의 제4액체 분획 라인(13), 및 (g ) 압력 칼럼(4)의 상부 영역에 연결된 가압된 질소 생성물 라인(10, 14, 15)을 갖는 압력 칼럼(4)을 가지며, (h) 제3액체분획 라인(17)에서 압력을 증가시키기 위한 수단(18), 및 (i) 응축기/증발기(12)와 저압 칼럼(7) 사이의 증기라인(22, 24, 26, 27)에서의 압력을 감소시키는 수단(25)을 가짐을 특징으로 하는, 압력 칼럼(4) 및 저-압 칼럼(7)을 갖는 정류 칼럼 시스템에서 공기의 저온 분해에 의해 초대기압에서 산소 및 질소를 제조하는 장치.
  8. 제7항에 있어서, 압력을 감소시키는 수단이 팽창 기계(25)를 갖는 것을 특징으로 하는 장치.
  9. 제7항 또는 제8항에 있어서, 증기 라인(22)에 연결되는 산소 생성물 라인(23)을 갖는 것을 특징으로 하는 장치.
  10. 제7항 내지 제9항 중 어느 한 항에 있어서, 팽창 기계(25)로부터 공정 흐름(31)을 압축시키기 위한 압축기(32)로 기계적 에너지를 전달하는 수단(33)을 갖는 것을 특징으로 하는 장치.
  11. 제7항 내지 제10항 중 어느 한 항에 있어서, 저압 칼럼(35, 37)에 연결되는 원료 아르곤 칼럼(34)을 갖는 것을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960058616A 1995-11-25 1996-11-25 초대기압에서 산소 및 질소를 제조하기 위한 방법 및 장치 KR970028406A (ko)

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DE19543953A DE19543953C1 (de) 1995-11-25 1995-11-25 Verfahren und Vorrichtung zur Gewinnung von Sauerstoff und Stickstoff unter überatmosphärischem Druck
DE19543953.8 1995-11-25

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FR2860576A1 (fr) * 2003-10-01 2005-04-08 Air Liquide Appareil et procede de separation d'un melange gazeux par distillation cryogenique
KR20230069966A (ko) * 2020-09-17 2023-05-19 린데 게엠베하 혼합 가스 터빈을 이용한 공기의 극저온 분리를 위한 공정 및 장치

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US4224045A (en) * 1978-08-23 1980-09-23 Union Carbide Corporation Cryogenic system for producing low-purity oxygen
DE3840506A1 (de) * 1988-12-01 1990-06-07 Linde Ag Verfahren und vorrichtung zur luftzerlegung
DE4126945A1 (de) * 1991-08-14 1993-02-18 Linde Ag Verfahren zur luftzerlegung durch rektifikation
US5195324A (en) * 1992-03-19 1993-03-23 Prazair Technology, Inc. Cryogenic rectification system for producing nitrogen and ultra high purity oxygen
DE4317916A1 (de) * 1993-05-28 1994-12-01 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon
CA2142318A1 (en) * 1994-02-24 1995-08-25 Horst Corduan Process and apparatus for recovery of pure argon
US5456083A (en) * 1994-05-26 1995-10-10 The Boc Group, Inc. Air separation apparatus and method

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US5749246A (en) 1998-05-12
CA2191161A1 (en) 1997-05-26
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JPH09170874A (ja) 1997-06-30
TW332856B (en) 1998-06-01
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DE19543953C1 (de) 1996-12-19
BR9605678A (pt) 1998-08-18

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