US3053054A - Installation for the expansion of a liquefied gas - Google Patents

Installation for the expansion of a liquefied gas Download PDF

Info

Publication number
US3053054A
US3053054A US8428461A US3053054A US 3053054 A US3053054 A US 3053054A US 8428461 A US8428461 A US 8428461A US 3053054 A US3053054 A US 3053054A
Authority
US
United States
Prior art keywords
gas
chamber
liquefied gas
installation
pressure
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
Inventor
Vignier Serge Louis Eugene
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.)
Compagnie Centrale des Mines et Metallurgie SICLI
Original Assignee
Boudet Et Cie
Cie Centrale De Mines Et Metal
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 Boudet Et Cie, Cie Centrale De Mines Et Metal filed Critical Boudet Et Cie
Application granted granted Critical
Publication of US3053054A publication Critical patent/US3053054A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/004—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being air
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure

Definitions

  • the invention concerns an installation for the expansion of a liquefied gas, more especially carbon dioxide gas, contained in a chamber under pressure. 7
  • Utilization of liquid carbon dioxide has advantages, especially that a stock thereof can be held which is not bulky with the large volume of usable gas; the pressure is constant; it presents however a great disadvantage of frosting when this gas is required to be used under medium or loW pressures.
  • An object of the present invention is to provide an installation for expansion of gas under pressure, more especially carbon dioxide, which obviates frosting inherent in known installations.
  • an installation for the expansion of a liquefied gas, more especially carbon dioxide, contained in a container under pressure is characterised in that it comprises a vaporization chamber provided with means for heating and adapted to be fed by liquefied gas from a container under pressure by the intermediary of a pressure sensitive regulator (medium pressure) for the gas in the vaporization chamber, the outlet from the vaporization chamber being provided with an expander adapted to reduce the pressure of the gas from a medium pressure value to a low pressure value for utilization.
  • the gas is no longer admitted into the expander in the liquid state but in the gaseous state which eliminates practically all the frosting in the expander.
  • the admission of gas into the vaporization chamber may be effected in the form of a liquid jet over the whole of its surface, the regulator interposed on this jet not being submitted to the effects of frosting because the gas is in a liquid state when it enters and when it is discharged.
  • the vaporization chamber is connected to the low pressure expander by the intermediary of an overheating receptacle at a suitable temperature.
  • FIG. 1 is a diagrammatic view of an embodiment of an installation for the expansion of liquid carbon dioxide constructed in accordance with the invention.
  • FIG. 2 is a diagrammatic view of an alternative embodiment.
  • the installation shown in FIG. 1 comprises a source of liquid carbon dioxide constituted by a flask 1 vaporization chamber 2 fed with liquid gas, from the flask 1, by conduit 3 on which there is interposed a supply regulator 4, an expander 5 being connected to an outlet from the vaporization chamber 2 by a conduit 6, an outlet of the expander 5 being provided with a conduit 7 adapted to be connected to any apparatus using gaseous carbon dioxide at low pressure.
  • the conduit 3 for the admission of liquefied gas discharges into the vaporization chamber 2 by means of a calibrated nozzle or jet 11 which limits the supply of liquid gas in such a way that this cannot pass to the gaseous state in the conduit 3 and is always admitted in a liquid form into the vaporization chamber 2.
  • the opening and the closing of the supply regulator is controlled by the pressure which exists in the vaporization chamber 2.
  • This regulator is of an appropriate type and there has been indicated schematically, by a conduit 12, the connection between the vaporization chamber 2 and the regulator for the control of this latter.
  • the vaporization chamber 2 is provided with means for heating, constituted by a heating rod 14 fed from a main supply 15.
  • the expander 5 is arranged in a chamber 16, also provided with heating means, represented likewise in this example by a heating rod 17 fed from the main supply 15.
  • a high pressure gauge 21 mounted on the outlet conduit from the flask 1
  • a medium pressure safety valve 22 connected to the vaporization chamber 2
  • a medium pressure gauge "18 and a thermometer 19 mounted on the chamber 2
  • a medium pressure gauge 20 and a low pressure gauge 24 mounted respectively on the entry and exit sockets of the expander 5 and finally a low pressure safety valve 23 connected to the utilization conduit 7.
  • filters 25, 26 respectively on the conduit 3 for admission of liquid gas and on the conduit 6 for admission of vaporized gas.
  • the constancy of the temperature inside the vaporization chamber 2 is assured by any known means suitable for regulating the feed of the heating rod '14, for example by means of a thermostat 27.
  • Means for injecting nitrogen into vaporization chamber 2 comprise a source 35 of nitrogen under pressure, for example a flask, connected to a nozzle 36 mounted on the vaporization chamber 2 by the intermediary of a regulator 37 controlled, as indicated by the conduit 38, by the supply of gas in the utilization conduit 7.
  • a source 35 of nitrogen under pressure for example a flask
  • nozzle 36 mounted on the vaporization chamber 2 by the intermediary of a regulator 37 controlled, as indicated by the conduit 38, by the supply of gas in the utilization conduit 7.
  • Liquid gas under high pressure contained in the flask 1 is admitted by the regulator 4 and the filter 25 into the jet 1]. from whence it escapes in becoming vaporized into the reheating chamber 2. From there it crosses the filter 26 and the expander 5 from where it emerges at low utilization pressure to the conduit 7.
  • the regulator 4 assures a suitable supply of liquid gas as a function of the pressure of gas which exists in the vaporization chamber 2 (medium pressure) and the expander 5 lowers the pressure of gas from medium pressure to low pressure.
  • this installation is of particularly small size, that it permits a regulatable expansion of the gaseous phase of carbon dioxide and that the reheating of the expander, especially for large supplies, permits the augmentation of the calorific yield of the installation by compensating the heat absorbed during expansion of the gas.
  • the flask 1 for liquefied gas connected to the vaporization chamber 2 by the conduit 3 including the supply regulator 4, the expander 5 connected by the conduit 6 to the chamber 2 and by the conduit 7 to the apparatus utilizing the gas, the nozzle or calibrated jet 11 limiting the supply of liquid gas in the chamber 2, the conduit 12 transmitting to the regulator 4 the pressure of the chamber 2, an electric resistance 14, fed by the mains supply 15 and heating the chamber 2, controlled by the thermostat 27, the medium pressure gauge 18 measuring the pressure in the chamber 2, the high pressure gauge 21 at the outlet from the flask 1, the safety valve 22 of the chamber 2 and the low pressure gauge 24 at the outlet of the expander 5.
  • This overheating coil 41 is disposed in a bottomless cylindrical vat 4-2 which is itself disposed in a heated receptacle 43 filled with a fluid such as oil, glycol, glycerined water, gas, vapour, etc. the coil 41 is immersed in this fluid.
  • the outer surface of the vaporization cham ber 2 which is water-tight is likewise immersed in the fluid contained in the chamber 43.
  • the chamber 43 is provided, in its upper part, with an orifice 45 for discharge to atmosphere and, in its lower part, it is provided with an emptying tap 46.
  • the overheating coil 41 is heated by an electric resistance 47 disposed in the bottomless vat 42 and likewise fed from the electric mains 15.
  • the outlet from the flask 1 is provided with a filter 52 and if necessary a dryer could also be provided.
  • the functioning of the variant is similar to the one of the embodiment illustrated in FIG. 1. The only difference is that the overheating receptacle 41 augments the heat exchange surface and regulates the pilot pressure to which the regulating device 4 is submitted.
  • a liquefied gas vaporizing apparatus including a heat insulated enclosure filled with a fluid medium, first heating means for heating said fluid medium, a vaporizing chamber arranged in said enclosure and provided with a liquefied gas inlet and an outlet for the gas to be delivered, a liquefied gas flow restricting nozzle at said inlet, a supply duct connected to said nozzle and adapted to be connected to a source of liquefied gas, a control valve inserted in said supply duct and adapted to provide either for full flow of liquefied gas from said source to said nozzle or for complete interruption of said flow, in response to modification in the gas pressure prevailing in said vaporizing chamber between two predetermined lower and upper limit pressures respectively, second heating means independent from said first heating means and arranged within said vaporizing chamber, and means for controlling said second heating means in response to the temperature prevailing in said vaporizing chamber.
  • a liquefied gas vaporizing apparatus according to claim 1, further comprising a superheating receptacle also arranged in said enclosure and having an inlet connected to the outlet of said vaporizing chamber and an outlet for delivering the gas, the heating means for said superheating receptacle being constituted by said first heating means.

Description

Sept. 11, 1962 s. 1.. E. VIGNIER 3,053,054
INSTALLATION FOR THE EXPANSION OF A LIQUEFIED GAS Filed Jan. 23, 1961 2 Sheets-Sheet 1 Inven'i'o serg Lou s Eujene V/ nl er m hm? 71 0 W p 1962 s. L. E. VIGNIER INSTALLATION FOR THE EXPANSION OF A LIQUEFIED GAS Filed Jan. 23, l 36l 2 Sheets-Sheet 2 IrvrchTo erg Lowsgu ene Vzjmer ,6 Aug fiwuvhflafu Patented Sept. 11, 1962 3,053,054 INSTALLATIDN FOR THE EXPANSION OF A LIQUEFIED GAS Serge Louis Eugene Vignier, Paris, France, assignor to Boudet et Cie, Saint-Ouen, France, and Compagnie Centrale de Mines et Mctallurgie Sicli, Paris, France, both French companies Filed Jan. 23, 1961, Ser. No. 84,284 Claims priority, application France Jan. 25, 1960 3 Claims. (CI. 62-52) The invention concerns an installation for the expansion of a liquefied gas, more especially carbon dioxide gas, contained in a chamber under pressure. 7
Utilization of liquid carbon dioxide has advantages, especially that a stock thereof can be held which is not bulky with the large volume of usable gas; the pressure is constant; it presents however a great disadvantage of frosting when this gas is required to be used under medium or loW pressures.
Known installations for expansion of liquid carbon dioxide gas comprise a classical expander preceded by a reheater or a dryer, sometimes both together, in case of need with the adjunction of a capacity plug.
An object of the present invention is to provide an installation for expansion of gas under pressure, more especially carbon dioxide, which obviates frosting inherent in known installations.
According to the present invention an installation for the expansion of a liquefied gas, more especially carbon dioxide, contained in a container under pressure (high pressure) is characterised in that it comprises a vaporization chamber provided with means for heating and adapted to be fed by liquefied gas from a container under pressure by the intermediary of a pressure sensitive regulator (medium pressure) for the gas in the vaporization chamber, the outlet from the vaporization chamber being provided with an expander adapted to reduce the pressure of the gas from a medium pressure value to a low pressure value for utilization.
In this installation the gas is no longer admitted into the expander in the liquid state but in the gaseous state which eliminates practically all the frosting in the expander. The admission of gas into the vaporization chamber may be effected in the form of a liquid jet over the whole of its surface, the regulator interposed on this jet not being submitted to the effects of frosting because the gas is in a liquid state when it enters and when it is discharged.
Preferably the vaporization chamber is connected to the low pressure expander by the intermediary of an overheating receptacle at a suitable temperature.
The invention will be described further, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a diagrammatic view of an embodiment of an installation for the expansion of liquid carbon dioxide constructed in accordance with the invention; and
FIG. 2 is a diagrammatic view of an alternative embodiment.
The installation shown in FIG. 1 comprises a source of liquid carbon dioxide constituted by a flask 1 vaporization chamber 2 fed with liquid gas, from the flask 1, by conduit 3 on which there is interposed a supply regulator 4, an expander 5 being connected to an outlet from the vaporization chamber 2 by a conduit 6, an outlet of the expander 5 being provided with a conduit 7 adapted to be connected to any apparatus using gaseous carbon dioxide at low pressure.
The conduit 3 for the admission of liquefied gas discharges into the vaporization chamber 2 by means of a calibrated nozzle or jet 11 which limits the supply of liquid gas in such a way that this cannot pass to the gaseous state in the conduit 3 and is always admitted in a liquid form into the vaporization chamber 2.
The opening and the closing of the supply regulator is controlled by the pressure which exists in the vaporization chamber 2. This regulator is of an appropriate type and there has been indicated schematically, by a conduit 12, the connection between the vaporization chamber 2 and the regulator for the control of this latter.
The vaporization chamber 2 is provided with means for heating, constituted by a heating rod 14 fed from a main supply 15. The expander 5 is arranged in a chamber 16, also provided with heating means, represented likewise in this example by a heating rod 17 fed from the main supply 15.
There has also been indicated a high pressure gauge 21 mounted on the outlet conduit from the flask 1, a medium pressure safety valve 22 connected to the vaporization chamber 2, a medium pressure gauge "18 and a thermometer 19 mounted on the chamber 2, a medium pressure gauge 20 and a low pressure gauge 24 mounted respectively on the entry and exit sockets of the expander 5 and finally a low pressure safety valve 23 connected to the utilization conduit 7.
There are disposed filters 25, 26 respectively on the conduit 3 for admission of liquid gas and on the conduit 6 for admission of vaporized gas.
The constancy of the temperature inside the vaporization chamber 2 is assured by any known means suitable for regulating the feed of the heating rod '14, for example by means of a thermostat 27.
Means for injecting nitrogen into vaporization chamber 2, comprise a source 35 of nitrogen under pressure, for example a flask, connected to a nozzle 36 mounted on the vaporization chamber 2 by the intermediary of a regulator 37 controlled, as indicated by the conduit 38, by the supply of gas in the utilization conduit 7.
The installation functions as follows:
Liquid gas under high pressure contained in the flask 1 is admitted by the regulator 4 and the filter 25 into the jet 1]. from whence it escapes in becoming vaporized into the reheating chamber 2. From there it crosses the filter 26 and the expander 5 from where it emerges at low utilization pressure to the conduit 7.
The regulator 4 assures a suitable supply of liquid gas as a function of the pressure of gas which exists in the vaporization chamber 2 (medium pressure) and the expander 5 lowers the pressure of gas from medium pressure to low pressure.
Frosting in the regulator 4 cannot occur as the gas is always in the liquid state at the entry to the regulator and at the outlet therefrom. The vaporization in the chamber 2 does not give rise to frosting even though this chamber is reheated.
It can be seen that this installation is of particularly small size, that it permits a regulatable expansion of the gaseous phase of carbon dioxide and that the reheating of the expander, especially for large supplies, permits the augmentation of the calorific yield of the installation by compensating the heat absorbed during expansion of the gas.
In the variant illustrated in FIG. 2 there is likewise shown the flask 1 for liquefied gas connected to the vaporization chamber 2 by the conduit 3 including the supply regulator 4, the expander 5 connected by the conduit 6 to the chamber 2 and by the conduit 7 to the apparatus utilizing the gas, the nozzle or calibrated jet 11 limiting the supply of liquid gas in the chamber 2, the conduit 12 transmitting to the regulator 4 the pressure of the chamber 2, an electric resistance 14, fed by the mains supply 15 and heating the chamber 2, controlled by the thermostat 27, the medium pressure gauge 18 measuring the pressure in the chamber 2, the high pressure gauge 21 at the outlet from the flask 1, the safety valve 22 of the chamber 2 and the low pressure gauge 24 at the outlet of the expander 5.
However on the conduit 6 connecting the vaporization chamber 2 with the expander there is interposed an overheating receptacle consitituted, in this example, by a coil 41.
This overheating coil 41 is disposed in a bottomless cylindrical vat 4-2 which is itself disposed in a heated receptacle 43 filled with a fluid such as oil, glycol, glycerined water, gas, vapour, etc. the coil 41 is immersed in this fluid. The outer surface of the vaporization cham ber 2 which is water-tight is likewise immersed in the fluid contained in the chamber 43.
The chamber 43 is provided, in its upper part, with an orifice 45 for discharge to atmosphere and, in its lower part, it is provided with an emptying tap 46.
The overheating coil 41 is heated by an electric resistance 47 disposed in the bottomless vat 42 and likewise fed from the electric mains 15.
The thermostat 27, which regulates the temperature inside the vaporization chamber 2, controls a relay 48 for the feeding of the heating resistance 14 and in a similar fashion the temperature of the overheating receptacle 41 is regulated by the feed of an electric resistance 47 through the control of a thermostat 49 disposed in the chamber 43 and from a thermostatic relay 51 interposed in the feed circuit of the resistance 47.
The outlet from the flask 1 is provided with a filter 52 and if necessary a dryer could also be provided.
The functioning of the variant is similar to the one of the embodiment illustrated in FIG. 1. The only difference is that the overheating receptacle 41 augments the heat exchange surface and regulates the pilot pressure to which the regulating device 4 is submitted.
While a particular embodiment of this invention has been illustrated and described herein, it is intended that this invention be not limited to such disclosure, and changes and modifications can be made and incorporated within the scope of the claims.
I claim:
1. A liquefied gas vaporizing apparatus including a heat insulated enclosure filled with a fluid medium, first heating means for heating said fluid medium, a vaporizing chamber arranged in said enclosure and provided with a liquefied gas inlet and an outlet for the gas to be delivered, a liquefied gas flow restricting nozzle at said inlet, a supply duct connected to said nozzle and adapted to be connected to a source of liquefied gas, a control valve inserted in said supply duct and adapted to provide either for full flow of liquefied gas from said source to said nozzle or for complete interruption of said flow, in response to modification in the gas pressure prevailing in said vaporizing chamber between two predetermined lower and upper limit pressures respectively, second heating means independent from said first heating means and arranged within said vaporizing chamber, and means for controlling said second heating means in response to the temperature prevailing in said vaporizing chamber.
2. A liquefied gas vaporizing apparatus according to claim 1, further comprising a superheating receptacle also arranged in said enclosure and having an inlet connected to the outlet of said vaporizing chamber and an outlet for delivering the gas, the heating means for said superheating receptacle being constituted by said first heating means. i
3. A liquefied gas vaporizing apparatus as defined in claim 1, further comprising means for injecting nitrogen under pressure into said vaporizing chamber.
References Cited in the file of this patent UNITED STATES PATENTS
US8428461 1960-01-25 1961-01-23 Installation for the expansion of a liquefied gas Expired - Lifetime US3053054A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR816599A FR1255412A (en) 1960-01-25 1960-01-25 Liquefied gas expansion installation
FR847034A FR78900E (en) 1960-01-25 1960-12-15 Liquefied gas expansion installation

Publications (1)

Publication Number Publication Date
US3053054A true US3053054A (en) 1962-09-11

Family

ID=26184920

Family Applications (1)

Application Number Title Priority Date Filing Date
US8428461 Expired - Lifetime US3053054A (en) 1960-01-25 1961-01-23 Installation for the expansion of a liquefied gas

Country Status (6)

Country Link
US (1) US3053054A (en)
BE (1) BE599442A (en)
FR (2) FR1255412A (en)
GB (1) GB940513A (en)
LU (1) LU39658A1 (en)
NL (2) NL260392A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264833A (en) * 1959-10-06 1966-08-09 Air Liquide Storing and dispensing ozone
US3427815A (en) * 1967-01-24 1969-02-18 Ventron Instr Corp Cryogenic temperaure control
US3628347A (en) * 1970-04-13 1971-12-21 Us Army Refrigerating vapor bath
US4751822A (en) * 1986-02-07 1988-06-21 Carboxyque Francaise Process and plant for supplying carbon dioxide under high pressure
DE3717520A1 (en) * 1987-05-25 1988-12-15 Siemens Ag Continuous-flow flashing vessel for liquefied gases, in particular carbon dioxide
US4978832A (en) * 1989-09-15 1990-12-18 Julius Rubin Pressurization of liquid carbon dioxide cylinder
CN114526441A (en) * 2021-06-30 2022-05-24 杭州堃博生物科技有限公司 Phase change pressure container, phase change pressure system and control method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175394A (en) * 1978-06-01 1979-11-27 United States Steel Corporation Process and apparatus for producing and using cold ammonia
AU532945B2 (en) * 1979-07-23 1983-10-20 British Nuclear Fuels Ltd. Controlling vapourisation of hydrogen fluoride
FR2916522B1 (en) * 2007-05-21 2013-03-22 Citba SYSTEM FOR REHAUTING NATURAL GAS IN A DRIVING LINE AND RELAXATION STATION EQUIPPED WITH SUCH A SYSTEM.
CN111779969A (en) * 2020-06-01 2020-10-16 昆山市恒安工业气体有限公司 Vehicular liquefied natural gas gasification equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1947099A (en) * 1931-07-06 1934-02-13 Maurice E Painter Liquid gas vaporizer
US2221077A (en) * 1938-10-19 1940-11-12 Air Reduction Gas supply system
US2341697A (en) * 1941-10-29 1944-02-15 Air Reduction Production of liquid carbon dioxide
US2459974A (en) * 1941-07-16 1949-01-25 Arthur C Turner Method and apparatus for vaporizing liquefied petroleum gas
US2482778A (en) * 1944-03-04 1949-09-27 Specialties Dev Corp Fluid pressure medium dispensing system
US2499409A (en) * 1943-09-03 1950-03-07 Bastian Blessing Co Liquefied petroleum gas dispensing system
US2683582A (en) * 1946-07-08 1954-07-13 Phillips Petroleum Co Snap action regulator valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1947099A (en) * 1931-07-06 1934-02-13 Maurice E Painter Liquid gas vaporizer
US2221077A (en) * 1938-10-19 1940-11-12 Air Reduction Gas supply system
US2459974A (en) * 1941-07-16 1949-01-25 Arthur C Turner Method and apparatus for vaporizing liquefied petroleum gas
US2341697A (en) * 1941-10-29 1944-02-15 Air Reduction Production of liquid carbon dioxide
US2499409A (en) * 1943-09-03 1950-03-07 Bastian Blessing Co Liquefied petroleum gas dispensing system
US2482778A (en) * 1944-03-04 1949-09-27 Specialties Dev Corp Fluid pressure medium dispensing system
US2683582A (en) * 1946-07-08 1954-07-13 Phillips Petroleum Co Snap action regulator valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264833A (en) * 1959-10-06 1966-08-09 Air Liquide Storing and dispensing ozone
US3427815A (en) * 1967-01-24 1969-02-18 Ventron Instr Corp Cryogenic temperaure control
US3628347A (en) * 1970-04-13 1971-12-21 Us Army Refrigerating vapor bath
US4751822A (en) * 1986-02-07 1988-06-21 Carboxyque Francaise Process and plant for supplying carbon dioxide under high pressure
DE3717520A1 (en) * 1987-05-25 1988-12-15 Siemens Ag Continuous-flow flashing vessel for liquefied gases, in particular carbon dioxide
US4978832A (en) * 1989-09-15 1990-12-18 Julius Rubin Pressurization of liquid carbon dioxide cylinder
CN114526441A (en) * 2021-06-30 2022-05-24 杭州堃博生物科技有限公司 Phase change pressure container, phase change pressure system and control method
CN114526441B (en) * 2021-06-30 2024-01-09 杭州堃博生物科技有限公司 Phase-change pressure container, phase-change pressure system and control method

Also Published As

Publication number Publication date
FR78900E (en) 1962-09-21
BE599442A (en) 1900-01-01
FR1255412A (en) 1961-03-10
NL260392A (en) 1900-01-01
NL124373C (en) 1900-01-01
GB940513A (en) 1963-10-30
LU39658A1 (en) 1961-03-16

Similar Documents

Publication Publication Date Title
US3827246A (en) Pressure control system for cryogenic fluids
US3053054A (en) Installation for the expansion of a liquefied gas
US3729946A (en) Cryogenic liquid handling system
US2483426A (en) Steam injection water heater
GB2315320B (en) Apparatus and method for regulating temperature in a cryogenic test chamber
US2551501A (en) Vaporizer for fuel gases
US4174619A (en) Apparatus for controlling the pressure of a gas in a gas line
US2260356A (en) Liquefied petroleum gas dispensing system
US3475916A (en) Vaporizer
US3054270A (en) Gas sterilizing system
US3418822A (en) Apparatus for transporting a stream of cryogenic liquified gas
US2346112A (en) Apparatus for vaporizing liquefied gases
US2539291A (en) Apparatus and method for vaporizing carbon dioxide
US2456889A (en) Vaporizer
US2500249A (en) Apparatus for storing and dispensing liquefied gases
GB2160699A (en) Pressurizer passive steam relief and quench spray system
US1942944A (en) Method and apparatus for dispensing gas material
US4124067A (en) Pressurization apparatus with an intermediate reserve vessel
US3280841A (en) Fluid mixing and proportion maintaining apparatus
US1939270A (en) Apparatus for vaporizing liquid fuel
US2447294A (en) Self-regulating electric steam generator
KR20010015002A (en) Pressure-regulating device for a cryogenic tank and plant for delivering corresponding fluid
US2221077A (en) Gas supply system
US3031857A (en) Liquid gas evaporation plant
GB915826A (en) Apparatus for evaporating and warming or superheating liquid carbon dioxide