KR930001965A - 가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기분리 방법 - Google Patents

가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기분리 방법 Download PDF

Info

Publication number
KR930001965A
KR930001965A KR1019920013071A KR920013071A KR930001965A KR 930001965 A KR930001965 A KR 930001965A KR 1019920013071 A KR1019920013071 A KR 1019920013071A KR 920013071 A KR920013071 A KR 920013071A KR 930001965 A KR930001965 A KR 930001965A
Authority
KR
South Korea
Prior art keywords
nitrogen
liquid
stream
low pressure
oxygen
Prior art date
Application number
KR1019920013071A
Other languages
English (en)
Other versions
KR950010557B1 (ko
Inventor
에이. 모스텔로 로버트
클리기스 비토
Original Assignee
로버트 아이. 펄만
더 비오씨 그룹, 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 로버트 아이. 펄만, 더 비오씨 그룹, 인코포레이티드 filed Critical 로버트 아이. 펄만
Publication of KR930001965A publication Critical patent/KR930001965A/ko
Application granted granted Critical
Publication of KR950010557B1 publication Critical patent/KR950010557B1/ko

Links

Classifications

    • 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
    • F25J3/04472—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages
    • F25J3/04496—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist
    • F25J3/04503—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems
    • F25J3/04509—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems within the cold part of the air fractionation, i.e. exchanging "cold" within the fractionation and/or main heat exchange line
    • 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
    • F25J3/04248—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
    • F25J3/04309—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 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
    • F25J3/04248—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
    • F25J3/04351—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 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
    • F25J3/04406—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

내용 없음.

Description

가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기분리 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 공기 분리 장치의 개략도이다.

Claims (9)

  1. 작동가능하게 연결된 고압 및 저압탑(high and low pressure column)을 사용하는 이중탑 저온 정류 공정에 의해 공기를 정류하여 질소-풍부 증기 및 액체 산소를 각각 생성시키는 단계, 질소-풍부 증기 및 액체 산소를 고압 및 저압탑으로부터 회수하는 단계, 회수된 질소-풍부 증기를 부분가열하고 엔진 팽창(engin expanding)시켜 열을 수행시키고, 엔진 팽창 후, 전체 수용 패턴(demand pattern)에 걸쳐 열평형이 유지되도록, 회수된 질소-풍부 증기를 장치 냉매로서 저온 정류 공정에 도입시키는 단계, 기체상 산소에 대한 수요가 있을 경우, 회수된 액체 산소로부터 형성된 생성물 스트림을 수요를 충족시키기에 충분한 속도로 송출압력으로 펌핑시키고, 부분적으로 가열 팽창되어 나오는 회수된 질소-풍부 증기의 적어도 일부를 생성물 스트림을 기화시키기에 충분한 속도로 분류(diverted, 分流)시켜 분류된 질소-풍부 증기를 완전히 가열시키고 압축시킨 다음에, 이를 응축시키면서 생성물 스트림은 기화시킴으로써 기체상 산소를 형성시키는 단계, 분류된 질소-풍부 증기로부터 응축된 액체 질소를 플래시(flash)시켜 액상 및 증기상을 함유하는 질소의 2상 흐름을 생성시키고, 액상 및 증기상을 서로 분리하는 단계, 증기상으로 이루어진 증기상 스트림을 분류된 질소-풍부 증기에 부가하여 기체상 산소의 생성을 증가시키고, 액상으로 이루어진 액체 질소 스트림을 환류(reflux)로서 저압탑에 부가하여 저압탑으로부터 액체 산소를 회수하는 단계, 및 저압탑에 도입되지 않은 상기 액상 및 생성물 스트림의 형성시에 사용되지 않은 회수된 액체 산소의 특정 과량을 저장하는 단계를 포함하여, 가변 수요 패턴(variable demand pattern)의 요건을 충족시키는 기체상 산소의 공급방법.
  2. 제1항에 있어서, 액체 산소가 필수적으로 정속으로 저압탑내에서 형성되도록 액체 질소 스트림을 변하는 속도로 저압탑에 부가하여 장치 냉매를 도입시키고, 질소-풍부 증기 및 액체 산소를 필수적으로 정속으로 고압탑 및 저압탑으로부터 회수하는 방법.
  3. 제1항에 있어서, 상기 저온 정류 공정에 냉각단을 또한 사용하여 공기를 그의 정류에 적합한 온도까지 냉각시키고, 생성물 스트림을 냉각단(colling stage)에 도입시키고, 질소-풍부 증기를 냉각단내에서 부분적으로 가열하고, 또한 분류된 질소-풍부 증기를 냉각단에서 완전히 가열한 다음, 완전히 가열되고 압축된 후에는, 이를 냉각단에서 응축 시키는데 반해, 생성물 스트림은 기화시키는 방법.
  4. 제1항에 있어서, 저온 정류 공정에 냉각단을 또한 사용하여 공기를 정류단 내에서 정류하는데 적합한 온도로 냉각시키고, 팽창된 질소-풍부 증기 스트림을 냉각단에 부가하여 장치 냉매를 저온 정류 공정에 도입시킴으로써 정류할 공기의 앤탈피를 저하시키는 방법.
  5. 제1항에 있어서, 액체 질소를 플래시 탱크(flash tank)내로 플래시시켜 액체 및 증기상을 서로 분리하는 방법.
  6. 제2항에 있어서, 저온 정류 공정에 냉각단을 또한 사용하여 공기를 그의 정류에 적합한 온도를 냉각시키고, 생성물 스트림을 냉각단내로 도입시키고, 질소-풍부 증기를 냉각단내에서 부분적으로 가열하고, 또한 분류된 질소-풍부 증기를 냉각단에서 완전히 가열한 다음, 완전히 가열되고 압축된 후에는, 이를 냉각단에서 응축 시키는데 반해, 생성물 스트림은 기화시키는 방법.
  7. 제6항에 있어서, 팽창된 질소-풍부 증기 스트림을 냉각단에 부가하여 장치 냉매를 저온 정류 공정에 도입시킴으로써 정류할 공기의 엔탈피를 저하시키는 방법.
  8. 제7항에 있어서, 액체 질소를 플래시 탱크로 플래시시켜 액상 및 증기상의 질소를 생성시키는 방법.
  9. 제7항에 있어서, 저압탑에서 저압 질소 증기를 생성시키고, 저압 질소 증기로 이루어진 폐기 스트림(waste stream)을 저압탑으로부터 추출하고, 상기 폐기 스트립을 냉각단에 도입시켜 공기를 냉각시키고, 팽창된 질소-풍부 증기 스트림을 상기 폐기 스트림과 합한 다음 냉각단에 도입시켜 저온 정류 공정에 냉매를 부가하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920013071A 1991-07-23 1992-07-22 가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기 분리 방법 KR950010557B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US734,705 1991-07-23
US07/734,705 US5152149A (en) 1991-07-23 1991-07-23 Air separation method for supplying gaseous oxygen in accordance with a variable demand pattern

Publications (2)

Publication Number Publication Date
KR930001965A true KR930001965A (ko) 1993-02-22
KR950010557B1 KR950010557B1 (ko) 1995-09-19

Family

ID=24952766

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920013071A KR950010557B1 (ko) 1991-07-23 1992-07-22 가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기 분리 방법

Country Status (16)

Country Link
US (1) US5152149A (ko)
EP (1) EP0524785B1 (ko)
JP (1) JPH07109347B2 (ko)
KR (1) KR950010557B1 (ko)
CN (1) CN1068883A (ko)
AT (1) ATE135457T1 (ko)
AU (1) AU644962B2 (ko)
CA (1) CA2067427C (ko)
CZ (1) CZ227892A3 (ko)
DE (1) DE69208962T2 (ko)
HU (1) HU215195B (ko)
IE (1) IE74402B1 (ko)
MX (1) MX9202922A (ko)
SG (1) SG50506A1 (ko)
TR (1) TR27165A (ko)
ZA (1) ZA923090B (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2680114B1 (fr) * 1991-08-07 1994-08-05 Lair Liquide Procede et installation de distillation d'air, et application a l'alimentation en gaz d'une acierie.
FR2681415B1 (fr) * 1991-09-18 1999-01-29 Air Liquide Procede et installation de production d'oxygene gazeux sous haute pression par distillation d'air.
CN1071444C (zh) * 1992-02-21 2001-09-19 普拉塞尔技术有限公司 生产气体氧的低温空气分离系统
US5228297A (en) * 1992-04-22 1993-07-20 Praxair Technology, Inc. Cryogenic rectification system with dual heat pump
US5275004A (en) * 1992-07-21 1994-01-04 Air Products And Chemicals, Inc. Consolidated heat exchanger air separation process
FR2704632B1 (fr) * 1993-04-29 1995-06-23 Air Liquide Procede et installation pour la separation de l'air.
FR2706195B1 (fr) * 1993-06-07 1995-07-28 Air Liquide Procédé et unité de fourniture d'un gaz sous pression à une installation consommatrice d'un constituant de l'air.
DE19526785C1 (de) * 1995-07-21 1997-02-20 Linde Ag Verfahren und Vorrichtung zur variablen Erzeugung eines gasförmigen Druckprodukts
GB9515907D0 (en) * 1995-08-03 1995-10-04 Boc Group Plc Air separation
FR2739439B1 (fr) * 1995-09-29 1997-11-14 Air Liquide Procede et installation de production d'un gaz sous pression par distillation cryogenique
FR2842124B1 (fr) * 2002-07-09 2005-03-25 Air Liquide Procede de conduite d'une installation de production de gaz alimentee en electricite et cette installation de production
DE10249383A1 (de) * 2002-10-23 2004-05-06 Linde Ag Verfahren und Vorrichtung zur variablen Erzeugung von Sauerstoff durch Tieftemperatur-Zerlegung von Luft
DE102005053690A1 (de) * 2005-11-10 2007-05-31 Airbus Deutschland Gmbh Werkzeug, Anordnung und Verfahren zum Herstellen eines Bauteils, Bauteil
CN101573308B (zh) 2006-12-29 2016-11-09 3M创新有限公司 氧化锆主体以及方法
CN100494839C (zh) * 2007-04-11 2009-06-03 杭州杭氧股份有限公司 获得液氧和液氮的空气分离系统
JP5244491B2 (ja) * 2008-07-29 2013-07-24 エア・ウォーター株式会社 空気分離装置
DE102016107468B9 (de) * 2016-04-22 2017-12-21 Fritz Winter Eisengiesserei Gmbh & Co. Kg Verfahren und Anlage zur Nutzung eines von einer Gaszerlegeeinrichtung bereitgestellten Zielgases
EP4004468A4 (en) * 2019-07-26 2023-04-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude METHOD AND DEVICE FOR SEPARATION OF AIR BY CRYOGENIC DISTILLATION
CN113654302B (zh) * 2021-08-12 2023-02-24 乔治洛德方法研究和开发液化空气有限公司 一种低温空气分离的装置和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250848B (de) * 1967-09-28 Linde Aktiengesellschaft, Wiesbaden Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft bei Sauerstoffabnahmeschwankungen
US3174293A (en) * 1960-11-14 1965-03-23 Linde Eismasch Ag System for providing gas separation products at varying rates
GB890458A (en) * 1959-12-14 1962-02-28 British Oxygen Co Ltd Low temperature separation of gas mixtures
DE1501723A1 (de) * 1966-01-13 1969-06-26 Linde Ag Verfahren und Vorrichtung zur Erzeugung gasfoermigen Hochdrucksauerstoffs bei der Tieftemperaturrektifikation von Luft
FR2300303A1 (fr) * 1975-02-06 1976-09-03 Air Liquide Cycle fr
GB2080929B (en) * 1980-07-22 1984-02-08 Air Prod & Chem Producing gaseous oxygen
GB2125949B (en) * 1982-08-24 1985-09-11 Air Prod & Chem Plant for producing gaseous oxygen
JP2734910B2 (ja) * 1992-11-12 1998-04-02 住友金属工業株式会社 半導体磁器組成物の製造方法

Also Published As

Publication number Publication date
SG50506A1 (en) 1998-07-20
DE69208962D1 (de) 1996-04-18
MX9202922A (es) 1993-01-01
EP0524785B1 (en) 1996-03-13
AU1615092A (en) 1993-01-28
KR950010557B1 (ko) 1995-09-19
DE69208962T2 (de) 1996-07-25
ATE135457T1 (de) 1996-03-15
ZA923090B (en) 1993-03-31
JPH07109347B2 (ja) 1995-11-22
HU215195B (hu) 1998-10-28
AU644962B2 (en) 1993-12-23
CN1068883A (zh) 1993-02-10
US5152149A (en) 1992-10-06
TR27165A (tr) 1994-11-10
JPH05203344A (ja) 1993-08-10
CA2067427C (en) 1995-06-27
HUT64619A (en) 1994-01-28
IE74402B1 (en) 1997-07-30
IE922375A1 (en) 1993-01-27
EP0524785A1 (en) 1993-01-27
CZ227892A3 (en) 1993-02-17
HU9201841D0 (en) 1992-09-28

Similar Documents

Publication Publication Date Title
KR930001965A (ko) 가변 수요 패턴에 따라 기체상 산소를 공급하기 위한 공기분리 방법
KR0137916B1 (ko) 펌핑된 액상 생성물을 기화시키기 위한 저온 정류방법 및 장치
JP2909678B2 (ja) 圧力下のガス状酸素の製造方法及び製造装置
JP3117702B2 (ja) 空気の精留による可変流量の酸素ガスの製造方法及びその設備
JPH06117753A (ja) 空気の高圧低温蒸留方法
KR100225681B1 (ko) 저순도 산소 제조용 저온 정류 시스템
KR860006681A (ko) 고순도 질소 및 산소 가스 제조장치
KR970059475A (ko) 고압 연소 터빈과 공기 분리 시스템의 통합 방법
KR950025404A (ko) 에틸렌 회수용 개방 루우프의 혼합 냉매 사이클
US5170630A (en) Process and apparatus for producing nitrogen of ultra-high purity
AU680472B2 (en) Single column process and apparatus for producing oxygen at above atmospheric pressure
KR940007498A (ko) 일산화탄소-부재 질소의 생산을 위한 증류방법
KR920000365A (ko) 이중온도 공급된 터빈팽창을 사용한 저온 기 분리장치
KR20000052974A (ko) 압축 질소를 생성시키는 방법 및 장치
US5528906A (en) Method and apparatus for producing ultra-high purity oxygen
JPH06159930A (ja) 空気の低温蒸留方法
KR950006408A (ko) 액체 산소 펌핑 방법 및 장치
CN1117260C (zh) 空气的分离方法和装置
US5626036A (en) Process for the production of oxygen by cryogenic distillation
US4530708A (en) Air separation method and apparatus therefor
EP0855565A2 (en) Air separation method and apparatus
KR940002589A (ko) 공기 유입물의 극저온 증류를 위한 공정
KR950006407A (ko) 고순도 질소를 제조하기 위한 공기 분리 방법 및 장치
KR960013416A (ko) 질소의 제조를 위한 공기 분리 방법 및 장치

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee