KR900007207B1 - 초고순도 산소의 제조방법 - Google Patents
초고순도 산소의 제조방법 Download PDFInfo
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- KR900007207B1 KR900007207B1 KR1019850005888A KR850005888A KR900007207B1 KR 900007207 B1 KR900007207 B1 KR 900007207B1 KR 1019850005888 A KR1019850005888 A KR 1019850005888A KR 850005888 A KR850005888 A KR 850005888A KR 900007207 B1 KR900007207 B1 KR 900007207B1
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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
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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
- F25J3/04248—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
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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
- F25J3/04406—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
- F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
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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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
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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
- 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
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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
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
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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
- 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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- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/50—Processes or apparatus involving steps for recycling of process streams the recycled stream being oxygen
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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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/10—Boiler-condenser with superposed stages
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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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
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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)
Abstract
Description
Claims (33)
- (A) 청정화한 냉각공급기를 40 대지 200psia의 범위내의 압력에서 조작되는 1차칼럼으로 도입하고; (B) 상기 1차 칼럼내의 상기 공급공기를 질소풍부 중기 및 산소풍부 액체로 분리하고; (C) 상승시킨 압력의 질소기체로서 상기 질소풍부 증기의 1차 부분을 회수하고; (D) 1차 칼럼에 대하여 액체를 환류케하고; (E) 공급물로서 상기 산소풍부액체의 1차부분을 15 대지 75의 범위내의 압력에서 조작되는 2차 칼럼으로 도입하고; (F) 상기 2차칼럼내의 상기 공급물을 증기분획과 액체분획으로 분리하고; (G) 상기 2차칼럼으로부터 상기 액체 분획의 1차부분을 배출하고; (H) 상기 액체분획의 2차부분을 증기화하여 상기 2차칼럼의 증기를 환류케하고; (I) 상기 (H)단계의 증기화하는 2차액체부분 이상의 적어도 하나의 평형단계 이상의 지점에서 상기 2차 칼럼으로부터 증기스트림을 배출하고; (J) 상기한 배출증기스트림에서 불순물이 100ppm이 넘지 않는 초고순도 산소를 생성물보서 회수함을 특징으로 하는 100ppm 이하의 불순물을 함유하는 초고순도 산소 및 고압질소의 제조를 위한 저온 공기분리공정.
- 상기 1항에 있어, 상기 질소풍부증기의 2차부분은 응축하여 상기 1차칼럼을 위한 환류액체를 제공함을 특징으로 하는 상기의 방법.
- 상기 2항에 있어서, 상기 질소풍부중기의 상기 2차부분은 상기 산소풍부액체의 2차부분과 함께 간접열교환에 의하여 응축하여 산소-풍부 증기를 생산함을 특징으로 하는 상기의 방법.
- 상기 3항에 있어서, 산소-풍부증기는 팽창되는 도입되고 공급공기와 함께 간접 열교환에 의하여 가온되어 공급공기를 냉각시킴을 특징으로 하는 상기의 방법.
- 상기 1항에 있어, 상기(G)단계에서 2차칼럼으로부터 배출된 액체 분획의 1차부분의 적어도 어떤것은 공정으로부터 제거된을 특징으로하는 상기의 방법.
- 상기 3항에 있어, 상기(G)단계에서 2차칼럼으로부터 배출된 액체분획의 1차부분의 적어도 어떤것은 상기 산소-풍부액체의 2차부분과 합쳐지고 얻어진 배합율은 증기화되어 산소-풍부증기를 생산함을 특징으로하는 상기의 방법.
- 상기 6항에 있어, 산소풍부증기는 팽창되고, 도입되는 공급공기와 함께 간접열교환에 의하여 가온되여 공급공기를 냉각시킴을 특징으로하는 상기의 방법.
- 상기 1항에 있어, 상기 질소-풍부증기의 3차부분은 응축되어 상기(H)단계의 상기 액체분획의 2차부분의 증기화를 가져오게 함을 특징으로하는 상기의 방법.
- 상기 8항에 있어, 적어도 어떤 응축된 질소-풍부 3차부분은 액체질소로서 회수함을 특징으로하는 상기의 방법.
- 상기 8항에 있어, 적어도 어떤 응축된 질소-풍부 3차부분은 액체환류로서 1차칼럼으로 통과됨을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 청정화된 냉각공급공기는 1차 칼럼의 저부에서 1차칼럼으로 도입함을 특징으로하는 상기의 제조방법.
- 상기 제1항에 있어, 상기 산소-풍부액체의 1차부분은 2차칼럼의 상부에서 2차칼럼으로 도입시킴을특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 일부의 청정화된 냉각공급공기를 응축시켜 상기(H)단계의 상기 액체분획의 2차부분의 증기화가 일어나게함을 특징으로하는 상기의 제조방법.
- 상기 13항에 있어, 응축된 공급공기부분을 1차칼럼으로 통과시킴을 특징으로하는 상기의 제조방법.
- 상기 14항에 있어, 응축된 공급공기부분을 1차칼럼의 저부보다 높은 적어도 하나 이상의 평형단계인 지점에서 1차칼럼에 통과시킴을 특징으로하는 상기 제조방법.
- 상기 1항에 있어, 상기(E)단계에서 2차칼럼으로 도입시킨 상기 산소-풍부 액체의 1차부분을 1차칼럼의 저부로부터 수취함을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 상기(E)단계에서 2차칼럼으로 도입시킨 상기 산소-풍부액체의 1차부분을 1차칼럼의 저부보다 높은 적어도 하나의 평형단계로부터 수취함을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 상기(E)단계에서 2차칼럼으로 도입시킨 상기 산소-풍부액체의 1차부분은 산소풍부액체의 10 내지 50%로 구성됨을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 공급공기를 청정화하고 역방향의 열교환기를 통하여 통과시킴에 의하여 냉각시킴을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 공급공기를 겔 트랩을 통한 경로에 의하여 청정화시킴을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 공급공기를 1차칼럼으로 도입시키기전에 팽창시켜 그 공정에 냉동을 공급함을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어 2차칼럼으로부터의 적어도 약간의 증기 분획을 상기(I)단계의 증기스트림이 배출되는 지점이상의 칼럼으로부터 배출시킴을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 상기(I)단계의 2차칼럼으로부터 배출한 증기스트림을 회수하기전에 더욱 정화시킴을 특징으로하는 상기의 제조방법.
- 상기 23항에 있어, 추가적인 정제는 촉매 반응기를 통하여 배출된 증기스트림을 통과시킴에 의하여 이루어짐을 특징으로 하는 상기의 제조방법.
- 상기 1항에 있어, 상기(I)단계의 2차칼럼으로부터 배출된 증기스트림은 회수하기전에 가온됨을 특징으로하는 상기의 제조방법.
- 상기 25항에 있어, 상기 배출된 증기 스트림은 도입되는 공급공기와 함께 간접열교환에 의하여 가온됨을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 상기(I)단계의 2차칼럼으로부터 배출된 적어도 일부의 증기스트림은 회수하기전에 액화시킴을 특징으로 하는 상기의 제조방법.
- 상기 1항에 있어, 생성물 초고순도 산소는 50ppm 이하의 불순물을 함유함을 특징으로하는 상기의 제조방법.
- 상기 1항에 있어, 생성물 초고순도 산소는 2차칼럼에 공급되는 공급물의 1 내지 25%로 구성됨을 특징으로하는 상기의 방법.
- 상기 1항에 있어, 상기(C)단계에서 회수된 상승시킨 압력의 질소기체는 1차칼럼이 조작되는 압력까지의 압력을 가짐을 특징으로하는 상기의 방법.
- 상기 1항에 있어, 1차칼럼은 45 대지 150psia의 범위내의 압력에서 조작됨을 특징으로하는 상기의 방법.
- 상기 1항에 있어 2차칼럼은 15 대지 45psia의 범위내의 압력에서 조작됨을 특징으로 하는 상기의 방법.
- 상기 1항에 있어 초고순도 산소생성물은 불순물이 30ppm 이하로 함유함을 특징으로하는 상기의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/641,205 US4560397A (en) | 1984-08-16 | 1984-08-16 | Process to produce ultrahigh purity oxygen |
US641,205 | 1984-08-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860001999A KR860001999A (ko) | 1986-03-24 |
KR900007207B1 true KR900007207B1 (ko) | 1990-10-05 |
Family
ID=24571380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850005888A Expired KR900007207B1 (ko) | 1984-08-16 | 1985-08-16 | 초고순도 산소의 제조방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4560397A (ko) |
EP (1) | EP0173168B1 (ko) |
JP (1) | JPS61105088A (ko) |
KR (1) | KR900007207B1 (ko) |
BR (1) | BR8503903A (ko) |
CA (1) | CA1246435A (ko) |
DE (1) | DE3563382D1 (ko) |
ES (1) | ES8604830A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101441489B1 (ko) * | 2011-12-05 | 2014-09-18 | 두산중공업 주식회사 | 연료 전지 시스템과 그 구동 방법 |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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-
1984
- 1984-08-16 US US06/641,205 patent/US4560397A/en not_active Expired - Fee Related
-
1985
- 1985-06-18 CA CA000484362A patent/CA1246435A/en not_active Expired
- 1985-08-14 EP EP85110178A patent/EP0173168B1/en not_active Expired
- 1985-08-14 DE DE8585110178T patent/DE3563382D1/de not_active Expired
- 1985-08-14 ES ES546163A patent/ES8604830A1/es not_active Expired
- 1985-08-15 BR BR8503903A patent/BR8503903A/pt not_active IP Right Cessation
- 1985-08-15 JP JP60178684A patent/JPS61105088A/ja active Granted
- 1985-08-16 KR KR1019850005888A patent/KR900007207B1/ko not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101441489B1 (ko) * | 2011-12-05 | 2014-09-18 | 두산중공업 주식회사 | 연료 전지 시스템과 그 구동 방법 |
Also Published As
Publication number | Publication date |
---|---|
BR8503903A (pt) | 1986-05-27 |
EP0173168B1 (en) | 1988-06-15 |
ES546163A0 (es) | 1986-03-01 |
KR860001999A (ko) | 1986-03-24 |
US4560397A (en) | 1985-12-24 |
DE3563382D1 (en) | 1988-07-21 |
EP0173168A2 (en) | 1986-03-05 |
JPH0140271B2 (ko) | 1989-08-28 |
ES8604830A1 (es) | 1986-03-01 |
CA1246435A (en) | 1988-12-13 |
EP0173168A3 (en) | 1986-03-19 |
JPS61105088A (ja) | 1986-05-23 |
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