GB708664A - Improvements in or relating to the cold separation of air - Google Patents

Improvements in or relating to the cold separation of air

Info

Publication number
GB708664A
GB708664A GB2426551A GB2426551A GB708664A GB 708664 A GB708664 A GB 708664A GB 2426551 A GB2426551 A GB 2426551A GB 2426551 A GB2426551 A GB 2426551A GB 708664 A GB708664 A GB 708664A
Authority
GB
United Kingdom
Prior art keywords
temperature gradient
cold
demand
variations
rectification
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.)
Expired
Application number
GB2426551A
Other languages
English (en)
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.)
BOC Group Ltd
Original Assignee
British Oxigen 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
Priority to BE514872D priority Critical patent/BE514872A/xx
Priority to NLAANVRAGE7808075,A priority patent/NL173140B/xx
Application filed by British Oxigen Ltd filed Critical British Oxigen Ltd
Priority to GB2426551A priority patent/GB708664A/en
Priority to DEB22480A priority patent/DE958387C/de
Priority to FR1064492D priority patent/FR1064492A/fr
Publication of GB708664A publication Critical patent/GB708664A/en
Expired 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
    • F25J3/04763—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
GB2426551A 1951-10-17 1951-10-17 Improvements in or relating to the cold separation of air Expired GB708664A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE514872D BE514872A (enrdf_load_stackoverflow) 1951-10-17
NLAANVRAGE7808075,A NL173140B (nl) 1951-10-17 Inrichting voor het scheiden van een mengsel van twee niet of onvolledig mengbare vloeistoffen van verschillend soortelijk gewicht.
GB2426551A GB708664A (en) 1951-10-17 1951-10-17 Improvements in or relating to the cold separation of air
DEB22480A DE958387C (de) 1951-10-17 1952-10-17 Verfahren zur Trennung von Luft
FR1064492D FR1064492A (fr) 1951-10-17 1952-10-17 Procédé de séparation de l'air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2426551A GB708664A (en) 1951-10-17 1951-10-17 Improvements in or relating to the cold separation of air

Publications (1)

Publication Number Publication Date
GB708664A true GB708664A (en) 1954-05-05

Family

ID=10208998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2426551A Expired GB708664A (en) 1951-10-17 1951-10-17 Improvements in or relating to the cold separation of air

Country Status (5)

Country Link
BE (1) BE514872A (enrdf_load_stackoverflow)
DE (1) DE958387C (enrdf_load_stackoverflow)
FR (1) FR1064492A (enrdf_load_stackoverflow)
GB (1) GB708664A (enrdf_load_stackoverflow)
NL (1) NL173140B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323533A (zh) * 2018-11-06 2019-02-12 杭州杭氧股份有限公司 一种使用中压精馏塔降低空分能耗方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1626338B1 (de) * 1960-05-02 1969-09-18 Union Carbide Corp Verfahren und Vorrichtung zur Gewinnung von Sauerstoff, Stickstoff und Argon durch Zerlegung von Luft

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB659648A (en) * 1949-04-19 1951-10-24 British Oxygen Co Ltd Improvements in or relating to the separation of air

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323533A (zh) * 2018-11-06 2019-02-12 杭州杭氧股份有限公司 一种使用中压精馏塔降低空分能耗方法及装置
CN109323533B (zh) * 2018-11-06 2023-10-20 杭氧集团股份有限公司 一种使用中压精馏塔降低空分能耗方法及装置

Also Published As

Publication number Publication date
BE514872A (enrdf_load_stackoverflow)
DE958387C (de) 1957-02-21
NL173140B (nl)
FR1064492A (fr) 1954-05-13

Similar Documents

Publication Publication Date Title
GB747298A (en) Improvements in the cold separation of air
GB1038465A (en) Improvements in or relating to refrigeration systems
GB1384397A (en) Refrigeration plants
GB826298A (en) Process for air separation by liquefaction and rectification
US1539450A (en) Method of separating the constituents of gaseous mixtures
US2161312A (en) Refrigerating apparatus control
GB825330A (en) Improvements in or relating to plants for the low temperature liquefaction and rectification of gaseous mixtures
GB708664A (en) Improvements in or relating to the cold separation of air
GB698310A (en) Improvements in or relating to absorption refrigeration systems
GB1061910A (en) Improvements relating to refrigerators for very low temperatures
GB1512507A (en) Oil injected screw compressor apparatus
GB659648A (en) Improvements in or relating to the separation of air
GB789051A (en) Improvements in or relating to gas-mixture fractionation apparatus
GB739251A (en) Improvements in or relating to absorption refrigeration systems
GB1034092A (en) Improvements relating to continuous evaporating apparatus
US2788638A (en) Process of and apparatus for separation of gas mixtures
GB859060A (en) Refrigeration plant
GB765641A (en) Method and apparatus for the operation of refrigerating systems with throttling nozzles
GB701892A (en) Improvements in and relating to refrigeration systems
GB1049240A (en) Cold separation of gas mixtures
GB1031107A (en) Improvements in or relating to the production of low temperatures
GB798770A (en) Improvements in refrigeration systems
GB1112663A (en) Refrigeration system
GB884454A (en) Control of apparatus operating at high and low temperatures
GB890342A (en) Low temperature air separation with improved argon recovery