KR970066477A - 재비등기 압축기를 구비한 이중 순도의 산소 발생기 - Google Patents

재비등기 압축기를 구비한 이중 순도의 산소 발생기 Download PDF

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KR970066477A
KR970066477A KR1019970005795A KR19970005795A KR970066477A KR 970066477 A KR970066477 A KR 970066477A KR 1019970005795 A KR1019970005795 A KR 1019970005795A KR 19970005795 A KR19970005795 A KR 19970005795A KR 970066477 A KR970066477 A KR 970066477A
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column
oxygen
stream
high purity
low
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앨런 홉킨스 제프리
아그라월 라케쉬
쥬 쟝구오
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윌리엄 에프. 마쉬
에어 프로덕츠 앤드 케미칼스, 인코오포레이티드
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Publication of KR970066477A publication Critical patent/KR970066477A/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
    • F25J3/04006—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
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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
    • 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
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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
    • 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
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    • 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
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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
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    • 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
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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
    • F25J3/04406—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
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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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04709—Producing crude argon in a crude argon column as an auxiliary column system in at least a dual pressure main column system
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/32—Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
    • 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
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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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
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    • F25J2215/52—Oxygen production with multiple purity O2
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    • F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
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    • 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
    • F25J2250/40—One fluid being air
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    • F25J2250/00—Details related to the use of reboiler-condensers
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    • F25J2250/50—One fluid being oxygen

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  • Engineering & Computer Science (AREA)
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Abstract

본 발명은 재비등기 압축기를 구비한 이중 순도의 산소 발생기에 관한 것인데, 이 장치에서는 저순도 및 고순도의 산소 생성물이 압축된 공급 공기 시트림(10)의 저온 증류에 의해 생산되며, 이 때 저순도(97% 미만)의 산소 생성물(38)은 통상의 저순도 칼럼(25)에 의해 제공되며, 고순도997% 이상)의 산소 생성물(36)은 증류시스템(15, 25)으로부터 산소-풍부 스트림(35)의 고순도 칼럼(23)에서 정류에 의해 제공된다. 저순도 칼럼(25)의 비등물(31)은 적합한 제1공정 스트림(30)의 응축에 의해 제공되며, 고순도 칼럼의 비등물은 상기 제1공정 스트림(30)보다 고압에서 적합한 제2공정 스트림(21)의 응축에 의해 제공된다. 산소 풍부 스트림(35)은 저압 칼럼(25)으로의 공급물(26')의 산소 농도 이상의 산소 농도를 가진다.

Description

재비등기 압축기를 구비한 이중 순도의 산소 발생기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1의(기본) 양태를 도시한 도.

Claims (16)

  1. 저순도(97% 미만)의 산소 생성물 스트림(38) 및 질소-풍부 스트림(28)을 생산하며, 적합한 제1공정 스트림(31;212)이 응축되어 칼럼(25)에 비등물을 제공하는 기저 재비등기(31;211)를 구비한 저순도의 칼럼(25)을 포함하는 증류 시스템(15, 25)에서 압축된 공급 공기 스트림(10)을 저온 증류하는 방법에 있어서, 상기 방법은, 저순도 칼럼(25)으로의 공급물(26')의 산소 농도 이상의 산소 농도를 가진 산소-풍부 스트림(35;611)이 증류시스템(15,25)으로부터 배출되고, 고순도의 칼럼(23)에서 정류되는데, 이 때, 이 칼럼의 기저 재비등기의 열은 적합한 제2의 공정 스트림(21)의 응축에 의해 제공되어 고순도(97% 이상)의 산소 생성물 스트림(36)을 제공하며, 상기 제2공정 스트림(21)은 상기 제1공정 스트림(30;212)보다 고압인 것을 특징으로 하는 방법.
  2. 제1항에 있어서, 상기 증류 시스템이 고압 칼럼(15) 및 저압 칼럼(25)을 포함하며, 상기 시스템에서는 (a) 압축된 공급 공기(10)의 적어도 일부(11)가 고압 칼럼(15)으로 공급되는데, 이 칼럼에서 공급 공기(11)는 고압 질소 상부(27) 및 고압 미정제 액체 산소 기저부(26)로 정류되며; (b) 고압 미정제 액체 산소 기저부(26)의 적어도 일부가 저압 칼럼(25)으로 공급되는데, 이 칼럼에서 고압 미정제 액체 산소 기저부(26)는 저압 질소 상부(28) 및 저압 액체 산소 기저부로 정류되며; (c) 고압 질소 상부(27)의 적어도 일부(30)는 응축되고(31) 응축된 고압 질소 상부의 적어도 일부(32)는 환류물로서 고압 칼럼(15)으로 복귀하며; (d) 저압 약체 산소 기저부의 적어도 일부는 적합한 제1공정 스트림(30;212)이 응축되는 기저 재비등기(31;211)에 의해 비등되며, (e) 저순도의 산소 생성물 스트림(38)이 저압 칼럼(25)으로 부터 배출되며; (f) 고압 미정제 액체 산소 기저부(26)의 농도 이상의 산소 농도를 가진 산소-풍부 스트림(26;35)은 증류 시스템(15, 25)으로부터 배출되어 고순도의 칼럼(23)으로 공급되며, 이 칼럼에서 상기 스트림은 산소-부족 상부 증기 및 고순도의 액체 산소 기저부로 정류되며; (g) 고순도의 액체 산소 기저부의 적어도 일부는 저압 칼럼(15)을 비등시키는 제1공정 스트림(30;212)의 압력보다 더 높은 압력으로 압축된 적합한 제2공정 스트림(21)의 응축에 의해 기저 재비등기(22)에 의해 비등되며; (h) 고순도의 산소 생성물 스트림(26)이 고순도의 칼럼(23)으로부터 배출되는 방법.
  3. 제2항에 있어서, 저부 재비등물(22)을 고순도 칼럼(23)에 제공하는 공정 스트림은 추가로 압축된(20) 공급 공기(10)의 일부(21)인 방법.
  4. 제2항에 있어서, 저부 재비등물(22)을 고순도 칼럼(23)에 제공하는 공정 스트림은 추가로 압축된(20) 고압 질소 상부(27)의 적어도 일부인 방법.
  5. 제2항 내지 제4항중 어느 한 항에 있어서, 산소-풍부 스트림(35)이 저압 칼럼(25)으로부터 배출되는 방법.
  6. 제5항에 있어서, 산소-부족 상부 증기(37)가 산소-풍부 스트림(35)이 배출된 위치와 거의 동일한 위치의 저압 칼럼(25)으로 복귀되는 방법.
  7. 제6항에 있어서, 산소-풍부 스트림(35)이 저압 칼럼(25)의 모임통(sump)으로부터 배출되는 방법.
  8. 제2항 내지 제4항 중 어느 한 항에 있어서, 산소-풍부 스트림(611)이 고압 미정제 액체 산소 기저부(26)의 일부인 방법.
  9. 제8항에 있어서, 증기 스트림(711)이 고압 미정제 액체 산소 기저부(26)의 공급물 아래 위치의 저압 칼럼(25)으로 배출되고, 산소-풍부 스트림(611)의 공급물 아래 위치의 고순도 칼럼(23)으로 공급되는 방법.
  10. 제2항 내지 제4항 중 어느 함 항에 있어서, 저부 재비등물(211)을 저압 칼럼에 제공하는 공정 스트림은 압축된 공급 공기(10)의 일부(212)이고, 고압 질소 상부(27)의 적어도 일부(30)는 저압 칼럼(25)의 중간 위치의 재비등기(31)에서 응축되는 방법.
  11. 제10항에 있어서, 산소-풍부 스트림(35)이 상기 중간 재비등기(31) 상부 위치의 저압 칼럼(25)으로부터 배출되고, 고순도 칼럼(23)의 중간 위치로부터 배출된 아르곤 풍부 증기 스트림(511)은 아르곤 칼럼(510)에서 분리되어 아르곤 생성물 스트림과 고순도 칼럼(23)으로 복귀도는 액체 아르곤-고갈된 스트림(512)을 생산하는 방법.
  12. 제2항 내지 제4항중 어느 한 항에 있어서, 제2항에 정의된 증류 시스템을 포함하고, 응축된 고압 질소 상부(27)는 모두 환류물로서 고압 칼럼으로 공급되고(30), 저압 칼럼(25)은 고압 칼럼(15)으로부터 배출된 측스트림(319)에 의해 환류되는 방법.
  13. 제1항에 있어서, 질소 풍부 측스트림(319)의 일부(610)는 고순도 칼럼(23)으로 공급되는 방법.
  14. (i) 압축된 공급 공기(10)를 정류하는 증류 시스템(15, 25)으로서, 저순도(97% 미만)의 산소 생성물 스트림(38) 및 질소-풍부 스트림(28)을 생산하는 저순도 칼럼(25)을 포함하는 증류 시스템; (ⅱ)적합한 제1공정 스트림을 응축하여 비등물을 저순도 칼럼(25)에 제공하는 상기 저순도 칼럼(25)내 기저 재비등기(31;211); (ⅲ) 상기 제1공정 스트림을 상기 재비등기로 공급하는 수단(27, 30; 11,212); 및 (ⅳ) 상기 장치로부터 저순도의 산소 생성물 스트림을 배출시키는 수단(38)을 구비하여 제1항의 방법에 의해 압축된 공급 공기(10)의 저온 증류에 의해 저순도의 산소 및 고순도의 산소 생성물을 생산하는 장치로서, 이 장치는 추가로 (ⅴ) 공급물 (26')의 산소 농도 이상의 산소 농도를 가진 산소 풍부 스트림을 고순도(97% 이상)의 산소 생성물 스트림을 제공하는 저순도 칼럼(25)으로 정류하는 고순도 칼럼(23): (ⅵ) 상기 증류 시스템(15, 25)으로부터 상기 산소-풍부 스트림을 배출시켜 그것을 고순도 칼럼(23)에 제공하는 상기 수단(35;26, 611); (ⅶ) 적합한 제2공정 스트림을 응축하여 비등물을 고순도 칼럼(23)에 제공하는 상기 고순도 칼럼(23)내 기저 재비등기(22); (ⅷ) 상기 제1공정 스트림을 저순도 칼럼 재비등기(31;211)에 공급하는 압력보다 고압에서 상기 제2공정 스트림을 상기 고순도 칼럼 재비등기(22)로 공급하는 수단; 및 (ⅸ) 상기 장치로 부터 고순도 산소 생성물을 배출시키는 수단(36)을 구비하는 것을 특징으로 하는 장치.
  15. 제14항에 있어서, 상기 증류 시스템이 하기 (1) 내지 (12)의 수단을 구비하는 장치; (1) 압축된 공급 공기(10)의 적어도 일부를 고압 질소 상부 및 고압 미정제 액체 산소 기저부로 정류하는 고압 칼럼(15); (2)고압 미정제 액체 산소 기저부를 저압 질소 상부 및 저압 액체 산소 기저부로 정류하는 저압칼럼(25); (3) 고압 미정제 액체 산소 기저부의 적어도 일부를 저압칼럼(25)으로 공급하는 수단(26, 29); (4) 고압 질소 상부의 적어도 일부를 응축시키고 응축된 고압 질소 상부의 적어도 일부를 환류물로서 고압 칼럼(15)으로 복귀시키는 수단(27, 31,32); (5) 적합한 제1공정 스트림을 응축하여 비등물을 저압 칼럼(25)에 제공하는 상기 저압칼럼(25)내 기저 재비등기(31;211); (6) 상기 제1공정 스트림을 상기 재비등기(31;211)로 공급하는 수단(27,30; 11, 212); (7) 상기 장치로부터 저순도의 산소 생성물 스트림(38)을 배출시키는 수단; (8) 산소 풍부 스트림을 산소-부족 상부 증기(37) 및 고순도 액체 산소 기저부로 정류하는 고순도 칼럼(23); (9) 상기 증류 시스템(15,25)으로부터 상기산소-풍부 스트림을 배출시켜 그것을 고순도 칼럼(23)에 공급하는 수단(26;35); (10) 적합한 제2공정스트림을 응축하여 비등물을고순도 칼럼(23)에 제공하는 상기 고순도 칼럼(23)내 기저 재비둥기(22); (11)상기 제1공정스트림을 저압 칼럼 재비등기(31;211)에 공급하는 압력보다 고압에서 상기 제2공정 스트림을 상기 고순도 칼럼 재비등기(22)로 공급하는 수단(20, 21); 및 (12) 상기 장치로부터 고순도 산소 생성물을 배출시키는 수단(36).
  16. 제15항에 있어서, 제3항 내지 제13항 중 어느 한 항에 따른 각각의 방법을 실시하는데 필요한 부품을 구비하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970005795A 1996-03-01 1997-02-25 재비등기 압축기를 구비한 이중 순도의 산소 발생기 KR970066477A (ko)

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