US3078684A - Heat control for gas-fractionating column - Google Patents
Heat control for gas-fractionating column Download PDFInfo
- 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
- Authority
- 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
Links
Images
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.
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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
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 (fr) |
BE (1) | BE578798A (fr) |
CH (1) | CH374712A (fr) |
ES (1) | ES247935A1 (fr) |
NL (2) | NL97494C (fr) |
Cited By (1)
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)
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 |
-
0
- BE BE578798D patent/BE578798A/xx unknown
- NL NL227912D patent/NL227912A/xx unknown
- NL NL97494D patent/NL97494C/xx active
-
1959
- 1959-03-16 ES ES0247935A patent/ES247935A1/es not_active Expired
- 1959-04-22 US US808183A patent/US3078684A/en not_active Expired - Lifetime
- 1959-05-19 CH CH7333159A patent/CH374712A/de unknown
Patent Citations (6)
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)
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 |
---|---|
CH374712A (de) | 1964-01-31 |
NL227912A (fr) | |
BE578798A (fr) | |
NL97494C (fr) | |
ES247935A1 (es) | 1959-09-16 |
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