US3078684A - Heat control for gas-fractionating column - Google Patents

Heat control for gas-fractionating column Download PDF

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Publication number
US3078684A
US3078684A US808183A US80818359A US3078684A US 3078684 A US3078684 A US 3078684A US 808183 A US808183 A US 808183A US 80818359 A US80818359 A US 80818359A US 3078684 A US3078684 A US 3078684A
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US
United States
Prior art keywords
column
boiler
condensate
heat
conductive member
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 - Lifetime
Application number
US808183A
Other languages
English (en)
Inventor
Ster Johannes Van Der
Kohler Jacob Willem Laurens
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.)
US Philips Corp
North American Philips Co Inc
Original Assignee
US Philips Corp
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 US Philips Corp filed Critical US Philips Corp
Application granted granted Critical
Publication of US3078684A publication Critical patent/US3078684A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25J3/044—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 single pressure main column system only
    • 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
    • F25J3/04278—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using external refrigeration units, e.g. closed mechanical or regenerative refrigeration units
    • 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
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/06—Lifting of liquids by gas lift, e.g. "Mammutpumpe"
    • 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration

Definitions

  • the temperature at 2S is further reduced to say, 90 K.
  • the supply of the pump 16 further decreases and the level no longer rises in the boiler.
  • the varying thermal resistance of the control member 26 should be properly chosen.
  • FIG. 3 shows a block 35 of conductive material having secured to it a number of strips 33 having different lengths.
  • the thermal resistance of this block forms a level a-a to the area 34, where the block 35 passes through the wall of the boiler, is also variable at diierent levels.
  • a gas fractionating apparatus co-acting with a thermal sink comprising an insulated column having a boiler in the bottom thereof, said thermal sink being adapted to carry od vaporfrom said column and condense the same, a distributor for condensate returning to said column, conduit means in the insulated portion of said column connecting said thermal sink to the upper part of said column, said conduit means communicating with said distributor for the condensate returning to said column and a vapor lift pump in the insulated portion of said column operatively connected to said distributor, a heat conductive member in said column having an external source of applied heat and being in heat conducting relationship with said vapor lift pump, said returning condensate being conducted to the lower end of said vapor lift pump whereby said condensate is caused to rise therein due to said source of applied heat until it spills into said column, a portion of said heat conductive member being adapted to assume a temperature higher than that of said condensate, a control element in said boiler for automatically controlling the level of liquid in the boiler being reduced in cross-section at the
  • thermo resistance of said control element is such as to prevent oscillation during control.
  • a gas fractionating apparatus co-acting with a thermal sink comprising an insulated column having a boiler in the bottom thereof, said thermal sink being adapted to carry ofi vapor from said column and condense the same,
  • a distributor for condensate returning to said column con duit means in the insulated portion of said column connecting said thermal sink to the upper part of said column, said conduit means communicating with said distributor for the condensate returning to said column and a vapor lift pump in the insulated portion of said column operatively connected to said distributor, a heat conductive member in said column having an external source of applied heat and being in heat conducting relationship with said vapor lift pump, said returning condensate being conducted to the lower end of said vapor lift pump whereby said condensate is caused to rise therein due to said source of applied heat until it spills into said column, a portion of said heat conductive member being adapted to assume a temperature higher than that of said condensate, a control element in said boiler shaped as a conical pin for controlling the contact of said member with the liquid in said boiler, an enclosure for said control element having apertures therein, said control element being in heat exchanging contact with the liquid in said boiler, and said conical control element being so shaped and proportioned that the thermal resistance of
  • a gas fractionating apparatus co-acting with a thermal sink comprising an insulated column having a boiler in the bottom thereof, said thermal sink being adapted to carry oit vapor from said column and condense the same, a distributor for condensate returning to the column, conduit means in the insulated portion of said column connecting said thermal sink to the upper part of said column, said conduit means communicating with said distributor for the condensate returning to said column and a vapor lift pump in the insulated portion of said column operatively connected to said distributor, a heat conductive member in said column having an external source of applied heat and being in heat conducting rela tionship with said vapor lift pump, said returning condensate being conducted to the lower end of said vapor lift pump whereby said condensate is caused to rise therein due to said source of applied heat until it spills into said column, a portion of said heat conductive member being adapted to assume a temperature higher than that of said condensate, a control element in said boiler shaped as a conical pin for controlling the contact of said
  • a gas fractionating apparatus co-acting with a thermal sink comprising an insulated column having a boiler in the bottom thereof, said thermal sink being adapted to carry off vapor from said column and condense the same, a distributor for condensate returning to the co1- umn, conduit means in the insulated portion of said column connecting said thermal sink to the upper part 0f said column, said conduit means communicating with said distributor for the condensate returning to said column and a vapor lift pump in the insulated portion 0f said column operatively connected to said distributor, a heat conductive member in said column having an external source of applied heat and being in heat conducting relationship with said vapor lift pump, said returning condensate being conducted to the lower end of said vapor lift pump whereby said condensate is caused to rise therein due to said source of applied heat until it spills into said column, a portion of said heat conductive member being adapted to assume a temperature higher than that of said condensate, a control element in said apparatus for controlling the contact of said member with the liquid in said
  • a gas fractionating apparatus co-acting with a thermal sink comprising an insulated column having a boiler in the bottom thereof, said thermal sink being adapted to carry olf vapor from said column and condense the same, a distributor for condensate returning to the col umn, conduit means in the insulated portion of said column connecting said thermal sink to the upper part of said column, said conduit means communicating with said distributor for the condensate returning to said column and a vapor lift pump in the insulated portion of ysaid column operatively connected to said distributor, a heat conductive member in said column having an external source of applied heat and being in heat conducting relationship with said vapor lift pump, said returning condensate being conducted to the lower end of said vapor lift pump whereby said condensate is caused to rise therein due to said source of applied heat until it spills into said column, a portion of said heat conductive member being adapted to assume a temperature higher ⁇ than that of said condensate, a control element in said apparatus being a block of conductive material having heat
  • control element being in hea-t exchanging contact with the liquid in said boiler, and said heating conducting strips of said control element being so shaped and proportioned that the thermal resistance o-f the element varies at different distances between the junction of the element with the heat conductive member and the liquid level inside said boiler.

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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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
US808183A 1958-05-19 1959-04-22 Heat control for gas-fractionating column Expired - Lifetime US3078684A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL227912 1958-05-19

Publications (1)

Publication Number Publication Date
US3078684A true US3078684A (en) 1963-02-26

Family

ID=19751213

Family Applications (1)

Application Number Title Priority Date Filing Date
US808183A Expired - Lifetime US3078684A (en) 1958-05-19 1959-04-22 Heat control for gas-fractionating column

Country Status (5)

Country Link
US (1) US3078684A (enrdf_load_stackoverflow)
BE (1) BE578798A (enrdf_load_stackoverflow)
CH (1) CH374712A (enrdf_load_stackoverflow)
ES (1) ES247935A1 (enrdf_load_stackoverflow)
NL (2) NL227912A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765298A (en) * 1989-03-17 1998-06-16 Nike, Inc. Athletic shoe with pressurized ankle collar

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US820429A (en) * 1904-07-25 1906-05-15 Charles May Apparatus for ascertaining the level of liquids.
US1716838A (en) * 1924-09-23 1929-06-11 Shotter George Frederick Apparatus for the measurement of the level and flow of liquids
US2230137A (en) * 1938-04-27 1941-01-28 Gordon E Ewertz Automatic gauge for liquid containers
US2799141A (en) * 1953-10-09 1957-07-16 Philips Corp Gas-fractionating device
US2889686A (en) * 1953-07-02 1959-06-09 Philips Corp Gas fractionating system including a vapor lift pump
US2919556A (en) * 1955-03-30 1960-01-05 Philips Corp Gas-fractionating system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US820429A (en) * 1904-07-25 1906-05-15 Charles May Apparatus for ascertaining the level of liquids.
US1716838A (en) * 1924-09-23 1929-06-11 Shotter George Frederick Apparatus for the measurement of the level and flow of liquids
US2230137A (en) * 1938-04-27 1941-01-28 Gordon E Ewertz Automatic gauge for liquid containers
US2889686A (en) * 1953-07-02 1959-06-09 Philips Corp Gas fractionating system including a vapor lift pump
US2799141A (en) * 1953-10-09 1957-07-16 Philips Corp Gas-fractionating device
US2919556A (en) * 1955-03-30 1960-01-05 Philips Corp Gas-fractionating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765298A (en) * 1989-03-17 1998-06-16 Nike, Inc. Athletic shoe with pressurized ankle collar

Also Published As

Publication number Publication date
NL227912A (enrdf_load_stackoverflow)
ES247935A1 (es) 1959-09-16
BE578798A (enrdf_load_stackoverflow)
NL97494C (enrdf_load_stackoverflow)
CH374712A (de) 1964-01-31

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