KR910014141A - 혼성아르곤컬럼을 갖는 저온공기분리시스템 - Google Patents

혼성아르곤컬럼을 갖는 저온공기분리시스템 Download PDF

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KR910014141A
KR910014141A KR1019910001015A KR910001015A KR910014141A KR 910014141 A KR910014141 A KR 910014141A KR 1019910001015 A KR1019910001015 A KR 1019910001015A KR 910001015 A KR910001015 A KR 910001015A KR 910014141 A KR910014141 A KR 910014141A
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column
argon
vapor
liquid contact
packing
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아모리 빅터 리차드
제임스 로케트 마이클
로버트 드레이 제임스
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티모티 엔. 비숍
유니온 카바이드 인더스트리얼 개시즈 데크놀로지 코포레이션
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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
    • 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
    • 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
    • F25J3/04642—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
    • F25J3/04896—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
    • F25J3/04763—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
    • F25J3/04921—Combinations of different material exchange elements, e.g. within different columns within 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
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/10—Mathematical formulae, modeling, plot or curves; Design methods
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/12—Particular process parameters like pressure, temperature, ratios

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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

내용 없음.

Description

혼성아르곤컬럼을 갖는 저온공기분리시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 메인컬럼시스템이 이중컬럼으로 이루어진 본 발명의 장치 및 방법의 한 바람직한 구현예의 개략적인 흐름도,
제2도는 아르곤컬럼 높이에 대한 아르곤컬럼 압력프로필의 그래프.

Claims (27)

  1. (A)산소, 질소 및 아르곤으로 이루어진 공급물을 하나 이상의 정류컬럼으로 이루어진 메인 컬럼시스템에 공급하고, (B)공급물을 메인 컬럼시스템 내에서 대류-증기 액체 접촉시켜 질소 강화 및 산소강화 성분들로 분리하고, (C)아르곤 및 산소로 이루어진 유체를 상기 컬럼시스템에서 아르곤컬럼으로 통과시키고, (D)유체를 아르곤콜럼 내에서 대류 증기-액체 접촉시켜 아르곤강화 및 산소강화 성분들로 분리하고, (E)대류 증기-액체 접촉을 아르곤컬럼 하부 내에서 단둘로 이루어진 증기-액체 접촉 엘레멘트 및 아르곤컬럼의 나머지부분 내에서 패킹으로 이루어진 증기-액체 접촉 엘레멘트 상에서 수행하는 것으로 이루어진 저온 정류방법.
  2. 제1항에 있어서, 아르곤컬럼의 하부가 접촉 증기 및 액체의 아르곤함량이 75% 이하인 부분으로 이루어진 방법.
  3. 제1항에 있어서, 아르곤컬럼의 하부가 접촉 증기 및 액체의 아르곤함량이 50% 이하인 부분으로 이루어진 방법.
  4. 제1항에 있어서, 아르곤컬럼의 하부가 접촉 증기 및 액체의 아르곤함량이 25% 이하인 부분으로 이루어진 방법.
  5. 제1항에 있어서, 아르곤컬럼의 하부 내의 증기-액체 접촉 엘레멘트가 모두 단(tray)으로 이루어진 방법.
  6. 제1항에 있어서, 아르곤컬럼의 나머지 부분 내의 증기-액체 접촉 엘레멘트가 모두 패팅으로 이루어진 방법.
  7. 제1항에 있어서, 패킹은 조직패킹으로 이루어진 방법.
  8. 제1항에 있어서, 산소강화 성분을 아르곤컬럼에서 메인 컬럼시스템으로 통과시키는 것으로 이루어진 방법.
  9. 제1항에 있어서, 96% 이상의 아르곤함량을 갖는 아르곤 강화성분을 회수하는 것으로 이루어진 방법.
  10. 제1항에 있어서, 메인 컬럼시스템이 고압컬럼과 열교환 관계에 있는 저압컬럼을 갖는 이중컬럼으로 이루어진 방법.
  11. 제10항에 있어서, 저압컬럼이 모두 패킹인 증기-액체 접촉 엘레멘트를 갖는 것으로 이루어진 방법.
  12. 제11항에 있어서, 저압컬럼 내의 패킹이 조직패킹으로 이루어진 방법.
  13. 제10항에 있어서, 고압컬럼이 모두 단인 증기-액체 접촉 엘레멘트를 갖는 것으로 이루어진 방법.
  14. 제1항에 있어서, 질소생성물로서 질소 강화성분을 회수하는 것을 더 포함하는 방법.
  15. 제1항에 있어서, 산소생성물로서 산소 강화성분을 회수하는 것을 더 포함하는 방법.
  16. (A)증기-액체 접촉 엘레멘트를 갖는 하나 이상의 정류컬럼으로 이루어진 메인 컬럼시스템, (B)아르곤콜럼의 하부 내에서 단으로 이루어진 증기-액체 접촉 엘레멘트 및 아르곤컬럼의 나머지 부분에서 패킹으로 이루어진 증기-액체 접촉 엘레멘트를 갖는 아르곤컬럼, 및 (C)유체를 컬럼시스템에서 아르곤컬럼의 하부로 공급하는 장치들로 이루어진 저온정류장치.
  17. 제16항에 있어서, 아르곤 컬럼의 하부가 아르곤컬럼 전체 높이의 50% 미만으로 이루어진 장치.
  18. 제16항에 있어서, 아르곤 컬럼의 하부가 아르곤컬럼 전체 높이의 25% 미만으로 이루어진 장치.
  19. 제16항에 있어서, 아르곤 컬럼의 하부가 아르곤컬럼 전체 높이의 10% 미만으로 이루어진 장치.
  20. 제16항에 있어서, 아르곤컬럼 하부 내의 증기-액체 접촉 엘레멘트가 모든 단으로 이루어진 장치.
  21. 제16항에 있어서, 나머니 아르곤컬럼 부분 내의 증기-액체 접촉 엘레멘트가 모두 패킹으로 이루어진 장치.
  22. 제16항에 있어서, 패킹은 조직패킹으로 이루어진 장치.
  23. 제16항에 있어서, 유체를 아르곤 컬럼에서 메인 컬럼 시스템으로 제공하는 장치를 더 포함하는 장치.
  24. 제16항에 있어서, 메인 컬럼시스템이 고압컬럼과 열교환 관계에 있는 저압컬럼을 갖는 이중컬럼인 장치.
  25. 제24항에 있어서, 저압컬럼이 모두 패킹인 증기-액체 접촉 엘레멘트를 갖는 것으로 이루어진 장치.
  26. 제25항에 있어서, 저압컬럼내 패킹이 조직패킹으로 이루어진 장치.
  27. 제24항에 있어서, 고압컬럼이 모두 단이 증기-액체 접촉 엘레멘트를 갖는 것으로 이루어진 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910001015A 1990-01-23 1991-01-22 혼성아르곤컬럼을 갖는 저온공기분리시스템 KR960003274B1 (ko)

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US46887590A 1990-01-23 1990-01-23
US07/468,875 1990-01-23

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KR910014141A true KR910014141A (ko) 1991-08-31
KR960003274B1 KR960003274B1 (ko) 1996-03-07

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EP (1) EP0439126B2 (ko)
JP (1) JPH076736B2 (ko)
KR (1) KR960003274B1 (ko)
BR (1) BR9100289A (ko)
CA (1) CA2034740C (ko)
DE (1) DE69100539T3 (ko)
ES (1) ES2045960T5 (ko)

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US5133790A (en) * 1991-06-24 1992-07-28 Union Carbide Industrial Gases Technology Corporation Cryogenic rectification method for producing refined argon
FR2807150B1 (fr) * 2000-04-04 2002-10-18 Air Liquide Procede et appareil de production d'un fluide enrichi en oxygene par distillation cryogenique
JP2022077733A (ja) * 2020-11-12 2022-05-24 大陽日酸株式会社 安定同位体濃縮装置

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Publication number Priority date Publication date Assignee Title
AR243396A1 (es) * 1985-01-18 1993-08-31 Glitsch Mejoras en columnas de fraccionamiento para la separacion de dos o mas componentes liquidos que tienen diferentes volatilidades relativas.
US4871382A (en) * 1987-12-14 1989-10-03 Air Products And Chemicals, Inc. Air separation process using packed columns for oxygen and argon recovery
US4836836A (en) * 1987-12-14 1989-06-06 Air Products And Chemicals, Inc. Separating argon/oxygen mixtures using a structured packing
US4838913A (en) * 1988-02-10 1989-06-13 Union Carbide Corporation Double column air separation process with hybrid upper column
US4842625A (en) * 1988-04-29 1989-06-27 Air Products And Chemicals, Inc. Control method to maximize argon recovery from cryogenic air separation units

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EP0439126B1 (en) 1993-10-27
DE69100539D1 (de) 1993-12-02
ES2045960T5 (es) 1997-05-01
JPH076736B2 (ja) 1995-01-30
CA2034740C (en) 1995-03-21
KR960003274B1 (ko) 1996-03-07
DE69100539T3 (de) 1997-07-10
BR9100289A (pt) 1991-10-22
ES2045960T3 (es) 1994-01-16
EP0439126B2 (en) 1997-03-05
EP0439126A1 (en) 1991-07-31
JPH04214174A (ja) 1992-08-05
DE69100539T2 (de) 1994-02-17

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