JPS5423073A - Method and apparatus for controlling air separating apparatus - Google Patents

Method and apparatus for controlling air separating apparatus

Info

Publication number
JPS5423073A
JPS5423073A JP8830677A JP8830677A JPS5423073A JP S5423073 A JPS5423073 A JP S5423073A JP 8830677 A JP8830677 A JP 8830677A JP 8830677 A JP8830677 A JP 8830677A JP S5423073 A JPS5423073 A JP S5423073A
Authority
JP
Japan
Prior art keywords
column
air separating
controlling air
separating apparatus
crude argon
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP8830677A
Other languages
Japanese (ja)
Other versions
JPS5544308B2 (en
Inventor
Koji Mikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8830677A priority Critical patent/JPS5423073A/en
Publication of JPS5423073A publication Critical patent/JPS5423073A/en
Publication of JPS5544308B2 publication Critical patent/JPS5544308B2/ja
Granted legal-status Critical Current

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
    • 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
    • F25J3/04406—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
    • F25J3/04642—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
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04793—Rectification, e.g. columns; Reboiler-condenser
    • F25J3/048—Argon recovery

Abstract

PURPOSE:To make high the argon concentration of crude argon column, by controlling the inflow quantity of row material air to the main distilling column, using the temperature of column plate and its upper and lower column plate of the main distilling column extracting out supply gas to the crude argon column of air separating apparatus.
JP8830677A 1977-07-25 1977-07-25 Method and apparatus for controlling air separating apparatus Granted JPS5423073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8830677A JPS5423073A (en) 1977-07-25 1977-07-25 Method and apparatus for controlling air separating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8830677A JPS5423073A (en) 1977-07-25 1977-07-25 Method and apparatus for controlling air separating apparatus

Publications (2)

Publication Number Publication Date
JPS5423073A true JPS5423073A (en) 1979-02-21
JPS5544308B2 JPS5544308B2 (en) 1980-11-11

Family

ID=13939238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8830677A Granted JPS5423073A (en) 1977-07-25 1977-07-25 Method and apparatus for controlling air separating apparatus

Country Status (1)

Country Link
JP (1) JPS5423073A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832519U (en) * 1981-08-26 1983-03-03 日本電気株式会社 Joystick mechanism
JPH029278B2 (en) * 1984-09-28 1990-03-01 Hitachi Ltd
EP0609814A1 (en) * 1993-02-01 1994-08-10 Praxair Technology, Inc. Process for maximizing the recovery of argon from an air separation system at high argon recovery rates
FR2855872A1 (en) * 2004-06-25 2004-12-10 Air Liquide Cryogenic air separation, for argon production, uses plant with second level of low-pressure column above first level and separated from it by theoretical plates
JP2005114349A (en) * 2003-10-06 2005-04-28 L'air Liquide Sa Pour L'etude & L'exploitation Des Procede S Georges Claude Method and system for optimizing argon recovery in air separation unit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH066106B2 (en) * 1985-06-22 1994-01-26 株式会社トプコン Ophthalmologic equipment
JPS6273119A (en) * 1985-09-27 1987-04-03 Omron Tateisi Electronics Co Transducer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832519U (en) * 1981-08-26 1983-03-03 日本電気株式会社 Joystick mechanism
JPS6220012Y2 (en) * 1981-08-26 1987-05-22
JPH029278B2 (en) * 1984-09-28 1990-03-01 Hitachi Ltd
EP0609814A1 (en) * 1993-02-01 1994-08-10 Praxair Technology, Inc. Process for maximizing the recovery of argon from an air separation system at high argon recovery rates
JP2005114349A (en) * 2003-10-06 2005-04-28 L'air Liquide Sa Pour L'etude & L'exploitation Des Procede S Georges Claude Method and system for optimizing argon recovery in air separation unit
FR2855872A1 (en) * 2004-06-25 2004-12-10 Air Liquide Cryogenic air separation, for argon production, uses plant with second level of low-pressure column above first level and separated from it by theoretical plates

Also Published As

Publication number Publication date
JPS5544308B2 (en) 1980-11-11

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