KR840002973A - 터빈배기의 저감과열을 수반한 공기 분리방법 - Google Patents

터빈배기의 저감과열을 수반한 공기 분리방법 Download PDF

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KR840002973A
KR840002973A KR1019820005465A KR820005465A KR840002973A KR 840002973 A KR840002973 A KR 840002973A KR 1019820005465 A KR1019820005465 A KR 1019820005465A KR 820005465 A KR820005465 A KR 820005465A KR 840002973 A KR840002973 A KR 840002973A
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풀찬드 파하데 라빈드라
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에드워어드 지. 그리어
유니온 카바이드 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
    • F25J3/04248—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
    • F25J3/04151—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
    • 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
    • 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
    • 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
    • F25J2200/52—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the high pressure column of a double pressure main column system
    • 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
    • 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
    • F25J2205/24—Processes or apparatus using other separation and/or other processing means using regenerators, cold accumulators or reversible heat exchangers
    • 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
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • 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
    • F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being air

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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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compressor (AREA)
  • Drying Of Gases (AREA)
  • Chimneys And Flues (AREA)

Abstract

내용 없음

Description

터빈배기의 저감과열을 수반한 공기 분리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따르는 한 구체적인 공정의 도해.
제2도는 본 발명의 다른 한 구체적 공정을 도해로 나타낸 것이다.

Claims (17)

  1. 대기압 이상으로 공급되는 공급공기는 그 이슬점가지 냉각되어 고압부 및 저압부 칼럼에서 정류되게 되며, 이 칼럼내에서 약 10퍼센트 내지 공기중의 농도와 같은 산소농도를 가지는 일차분류는 상기 냉각공급공기에 대하여 부분적으로 통과함으로써 가열되고, 계속하여 팽창된 후, 상기 저압부 칼럼으로 유입되게 되는 정류에 의하여 공기를 분리시키는 방법에 있어서. (1) 상기 고압부 칼럼(122)에서 이차 액체분류(145)를 배출하고, (2) 상기 일차분류(737)를, 팽창 후 그러나 저압부 칼럼(130)에는 유입되기 전에 상기이차 분류와의 간접 열교환에 의하여 냉각시키며, (3) 상기 이차분류를 고압부 칼럽(122)으로 귀환시키게 됨을 특징으로 하는 터빈배기의 저감과열을 수반한 공기분기분리방법.
  2. 상기 일차분류는 고압부 칼럼(122)에서 배출된 증기류(137)임을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과 열을 수반한 공기분리방법.
  3. 상기 일차분류는 불순물의 제거를 위하여 필터장치를 통과한 냉각된 공급공기(121)의 한 분류임을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  4. 상기 이차분류는 증기상태로 완전히 고압부 칼럼(122)로 귀환하게 됨을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  5. 상기 일차분류는 19내지 21퍼센트의 산소농도를 가지게 됨을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  6. 상기 이차분류는 30내지 45퍼센트의 산소농도를 가지게 됨을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  7. 상기 이차분류는 35내지 39퍼센트의 산소농도를 가지게 됨을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  8. 가열된 후 그러나 팽창되기 전의 상기 일차분류의 온도는 150˚K에서 200˚K정도임을 특징으로 하는 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  9. 상기 일차분류의 유량은, 공급공기 유량의 7내지 18퍼센트에 해당함을 특징으로 하는, 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  10. 상기 일차분류의 유량은 공급공기유량의 9내지 12퍼센트에 해당함을 특징으로 하는, 청구범위 제1항의 터빈배기의 저감과열을 수바한 공기분리방법.
  11. 상기 냉각단계(2)는, 팽창된 일차분류로부터, 약 20내지 80퍼센트의 과열을 제거함을 특징으로 하는, 청구범위 제1항의 터빈배기의 저감과열을 수반한 공기분리방법.
  12. 대기압 이상으로 공급되는 공급공기는, 그 이슬점까지 냉각되어 고압부 및 저압부 칼럼에서 정류되게 되며, 이 칼럼내에서, 본질적으로 공기와 같은 구성성분을 가지는 일차분류는 상기 냉각 공급공기에 대하여 부분적으로 통과함으로써 가열되고, 계속하여 팽창된 후, 상기 저압부 칼럼으로 유입되게 되는, 정류에 의하여 공기를 분리시키는 방법에 있어서, (A) 냉각 공급공기를 주분류(171) 및 부분류(172)로 분리되며, (B) 주분류(171)는 고압부칼럼(122)로 유입되고, (C) 부분류(172)는 일차분류(173)과 이차분류(174)로 분리되며, (D) 일차분류는, 팽창 후 저압부 칼럼(130)에 유입되기 전에, 상기 이차분류와의 간접열 교환에 의하여 냉각되며, (E) 이차분류(174)는 고압부 칼럼(122)에 유입됨을 특징으로하는, 터빈배기의 저감과열을 수반한 공기분리방법.
  13. 상기 일차분류(173)의, 가열 후 및 팽창전 온도는 150˚K내지 200˚K임을 특징으로 하는, 청구범위 제12항의 터빈배기의 저감과열을 수반한 공기분리방법.
  14. 상기 부분류(172)의 유량은 공급공기 유량의 7내지 18퍼센트 정도임을 특징으로 하는 청구범위 제12항의, 터빈 배기의 저감 과열을 수반한 공기분리방법.
  15. 상기 부분류(172)의 유량은 공급공기 유량의 9내지 12퍼센트 정도임을 특징으로 하는, 청구범위 제12항의, 터빈배기의 저감과열을 특징으로 하는 공기분리방법.
  16. 상기 이차분류(174)의 유량은 공급공기(172)유량의 약 1내지 3퍼센트에 해당함을 특징으로 하는 청구범위 제12항의 터빈배기의 저감과열을 수반한 공기분리방법.
  17. 상기 냉각단계(D)는 팽창된 일차분류(143)으로부터, 약 20내지 80퍼센트의 과열을 제거하게 됨을 특징으로 하는, 청구범위 제12항의, 터빈배기의 저감과열을 수반한 공기분리방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8205465A 1981-12-09 1982-12-06 터어빈 배출가스의 과열도를 저감하는 공기분리 방법 KR880001511B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/328,817 US4407135A (en) 1981-12-09 1981-12-09 Air separation process with turbine exhaust desuperheat
US328,817 1981-12-09
US328817 1981-12-09

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KR840002973A true KR840002973A (ko) 1984-07-21
KR880001511B1 KR880001511B1 (ko) 1988-08-16

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US (1) US4407135A (ko)
EP (1) EP0081473B2 (ko)
JP (1) JPS58106377A (ko)
KR (1) KR880001511B1 (ko)
AT (1) ATE31809T1 (ko)
AU (1) AU548184B2 (ko)
BR (1) BR8207103A (ko)
CA (1) CA1173737A (ko)
DE (1) DE3277931D1 (ko)
DK (1) DK547282A (ko)
ES (1) ES518026A0 (ko)
MX (1) MX156853A (ko)
NO (1) NO155828B (ko)
ZA (1) ZA829072B (ko)

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CN109603186A (zh) * 2018-12-14 2019-04-12 北京世纪隆博科技有限责任公司 一种精馏塔顶温与回流罐液位解耦控制方法

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JPS627465B2 (ko) 1987-02-17
ES8402164A1 (es) 1984-01-16
AU9170582A (en) 1983-06-16
EP0081473A3 (en) 1984-12-27
JPS58106377A (ja) 1983-06-24
ATE31809T1 (de) 1988-01-15
AU548184B2 (en) 1985-11-28
NO824149L (no) 1983-06-10
EP0081473B2 (en) 1993-07-14
CA1173737A (en) 1984-09-04
US4407135A (en) 1983-10-04
NO155828B (no) 1987-02-23
ZA829072B (en) 1984-03-28
EP0081473A2 (en) 1983-06-15
DE3277931D1 (en) 1988-02-11
MX156853A (es) 1988-10-07
DK547282A (da) 1983-06-10
ES518026A0 (es) 1984-01-16
BR8207103A (pt) 1983-10-11
KR880001511B1 (ko) 1988-08-16
EP0081473B1 (en) 1988-01-07

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