US2042439A - Storage and dispensing apparatus for liquefied gases - Google Patents

Storage and dispensing apparatus for liquefied gases Download PDF

Info

Publication number
US2042439A
US2042439A US42337A US4233735A US2042439A US 2042439 A US2042439 A US 2042439A US 42337 A US42337 A US 42337A US 4233735 A US4233735 A US 4233735A US 2042439 A US2042439 A US 2042439A
Authority
US
United States
Prior art keywords
tank
storage
dispensing
casing
gas
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
US42337A
Inventor
Loyd J White
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.)
Southern Steel Co
Original Assignee
Southern Steel Co
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 Southern Steel Co filed Critical Southern Steel Co
Priority to US42337A priority Critical patent/US2042439A/en
Application granted granted Critical
Publication of US2042439A publication Critical patent/US2042439A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • F17C2201/03—Orientation
    • F17C2201/035—Orientation with substantially horizontal main axis
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0345—Fibres
    • F17C2203/035—Glass wool
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • 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
    • F17C2205/0329—Valves manually actuated
    • 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
    • F17C2205/0332—Safety valves or pressure relief 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
    • 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
    • F17C2205/0338—Pressure regulators
    • 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
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, 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
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F17C2227/0316—Water 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
    • 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
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0369—Localisation of heat exchange in or on a vessel
    • F17C2227/0374—Localisation of heat exchange in or on a vessel in the liquid
    • 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
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0408—Level of content in the vessel
    • F17C2250/0413—Level of content in the vessel with floats
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/022—Avoiding overfilling
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0142—Applications for fluid transport or storage placed underground
    • F17C2270/0144—Type of cavity
    • F17C2270/0147—Type of cavity by burying vessels
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0142—Applications for fluid transport or storage placed underground
    • F17C2270/0157—Location of cavity
    • F17C2270/016—Location of cavity onshore

Definitions

  • This invention relates to storage and dispensing apparatus for liquefied gases and, among other objects, aims to provide an improved compact and relatively simple installation adapted 5 to be assembled at the factory and shipped as a complete unit ready to be connected for use in a household.
  • the main idea is to provide means to protect the dispensing and controlling apparatus located on the outside of the storage tank from destructive vibration in transit and when the plant is installed underground to protect the mechanism from the surrounding earth fill. from unauthorized tampering and from dust, rain and extreme cold.
  • Fig. l is a vertical longitudinal sectional view of an installation embodying the invention.
  • Fig. 2 is a sectional view taken on the line 2-2 of Fig. 1;
  • Fig. 3 is a sectional view taken on the line 3 3 of Fig. 1.
  • the installation there shown for illustrative purposes is designed for use in dispensing liqueed petroleum gases, such as normal butane, isobutane.
  • the apparatus is adapted to be buried in the ground.
  • the liquefied gas is stored in a horizontally arranged cylindrical tank I0 of any suitable capacity. 'nils tank is adapted to be nlled with liquefied gas under pressure through a stand pipe Il and a branch I2 having an ordinary inlet valve i2.
  • a stand pipe Il As the liqueed gas is being charged into the tank, vaporized gas in the tank is allowed to escape into the air or into the filling tank through a pipe I4 having an outlet valve i5, to make room for the new supply of liqueed gas.
  • the lower end of pipe i 4 determines the level to which the liquefied gas can be raised. Some clearance or vapor space is required for safe operation.
  • the stand pipe il conveniently carries a level gage i6 at its upper end connected to an ordinary float i1 within the tank, although, it is to be understood that any other convenient type of level indicating apparatus may be employed.
  • the vapor under pressure is delivered through a conduit I8, having a hand valve i9; thence. through an ordinary pressure reducing regulator 20 to an outlet pipe 2
  • water is conducted through the 55 uqueaed ges m the tank to insure that 1t is ai- (CL Git- 122) a vent pipe 25 in heat exchanging relation with 10 the liquefied gas and conveniently passes through one end of the tank. as shown.
  • circulation of the water supplies ample heat to vaporize the liquid.
  • the circulating water is also used in this inl5 stance to re-vaporize any condensed gas in the service outlet conduit.
  • the outlet pipe 2i extends into the cylindrical conduit 24 to a. point near the bottom thereof, the lower end being closed and preferably supported by a 2o cross bar or bracket 26.
  • 'I'he service pipe 22 extends through the wall of the conduit 24 near its upper end and is connected to the pipe 2i therein. thus providing a vertical trap to catch any condensed gas vapor. 25
  • This condensate is quickly re-vaporized by the circulating water in the cylindrical conduit. This is a very important feature, especially in plants used in extremely cold climates because the gas vapor condenses at a temperature between about 30 48 F. and 32 F., depending on the mixture employed. Hence, the water which is always above the freezing point will supply sufficient heat to re-vaporize the liquefied gas.
  • an ordinary 35 relief valve 21 is connected to the low pressure side of the regulating valve 20 to protect the appliances from any excessive pressure.
  • This relief valve has an outlet conduit 28 and a vent pipe 29.
  • a vent pipe 3U is connected to the 40 pressure regulator. All of these pipes are shown as extending above the ground level so that no water can submerge them and interfere with their functions.
  • which can be of any suitable shape but is preferably frusto-pyramldal, having four sides converging upwardly. The lower ends are cut to 50 conform to the contour of the tank and opposite side walls are preferably bolted to angle brackets 32 welded on the tank. I'he top of the casing or housing is closed by a suitable cover I3 hinged or otherwise removably secured thereto. It la shown as having a pipe handle 34 providing a 'vent for the interior of the casing. Incidentally,
  • the pipes 28, 29, and 30 are shown as being secured near their upper ends to one wall oi' the housing. It will be observed that the upper end of the housing 3i protrudes slightly above the ground so that the apparatus within is readily accessible by removing .the cover.
  • the pressure regulator be protected from freezing temperatures in order that it may function properly.
  • the casing In mild climates the casing alone is suiiicient for this purpose.
  • the interior of the casing is preferably filled or lined with any suitable heat insulating material, such as asbestos or rock wool.
  • the casing In Fig. 1, the casing has a layer 35 of such lining which is preferably a few inches thick. It retards the escape of the earths heat through the top of the casing. It will be understood that the earths heat is used to help vaporize the liquefied gas in the tank. In some instances the casing will be filled with such insulation to a point above the level of the regulator 20 better to protect the apparatus in cold weather.
  • the apparatus is well protected.
  • the whole unit may be assembled and tested at the factory and the casing will serve to prevent damage to the parts during shipment. Otherwise, the pipes might be knocked or jarred and cause dangerous leaks.
  • the casing makes all of the apparatus easily accessible for service, inspection and repairs. Also, the complete units may be displayed in sales rooms and present an attractive appearance.
  • a storage tank a storage tank; dispensing devices, including a pressure reducing regulator connected to said tank; a service pipe connected to said regulator; and heat exchanging means associated with said service pipe to revaporize any condensed gas therein.
  • a storage tank comprising: dispensing means connected to the tank for de livering gas at a low pressure therefrom; a service pipe leading from said dispensing means having a portion projecting into said tank; a water 5 conduit around said pipe within the tank providing a heat exchanger for re-vaporizing condensed gas therein; and water pipes connected to said conduit for circulating water in heat exchanging relation to liquefied gas in the tank.
  • a storage and dispensing system for liquefied petroleum gases under pressure comprising, in combination, a storage tank adapted to be buried in the ground; a valved filling conduit for the storage tank; a valved gas dispensing con- 15 duit connected to the tank; an automatic pressure regulator connected to the dispensing conduit; a protecting casing secured to the tank and providing a housing for said filling conduit, said valve and said pressure regulator; a safety 20 vent pipe connected to said pressure regulator and projecting upwardly into said protecting casing to a point near the top; and a vented removable cover for said casing adapted to project above the ground so that the parts in said 25 casing are accessible for removal or repairs.
  • a storage tank for holding liqueiied gas under pressure; dispensing means, including a pressure reducing valve con- 30 nected to said tank; and a heat exchanger connected to the dispensing means to revaporize any condensate in the dispensing conduit after the gas passes through said pressure reducing valve.
  • a storage tank for holding the liquefied gas under pressure adapted to be buried in the ground; filling and dispensing devices. including a pressure regulator and valved conduits secured to the tank and projecting upwardly therefrom; a protecting casing for said devices secured to the tank adapted to be partially buried in the ground with the tank; 45 a vent for said regulator extending to the top of the casing above the ground level; and a removable cover for said casing to permit access to said devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Description

May 26, 1936.
1., J. WHITE Filed sept. 26, 1935 STORIAGEAND DISPENSING APPARATUS FOR LIQUEFIED GASES 2 Sheets-Sheet l 1.. J. WHITE 2,042,439
PPARATUS FOR LIQUEFIED GASES 2 sheets-snee`t 2 May 26, 1936.
STORAGE AND DISPENSING A Filed sept 26, 19:55
Patented May 26, 1936 UNITED STATES STORAGE AND DISPENSING APPARATUS FOR LIQUEFIED GASES Loyd J. White. San Antonio, Tex., assignor to Southern Steel Company, a corporation of Texan Application September 26, 1935, Serial No. 42,337
Claims.
This invention relates to storage and dispensing apparatus for liquefied gases and, among other objects, aims to provide an improved compact and relatively simple installation adapted 5 to be assembled at the factory and shipped as a complete unit ready to be connected for use in a household. The main idea is to provide means to protect the dispensing and controlling apparatus located on the outside of the storage tank from destructive vibration in transit and when the plant is installed underground to protect the mechanism from the surrounding earth fill. from unauthorized tampering and from dust, rain and extreme cold.
Other aims and advantages of the invention will appear in the specification, when considered in connection with the accompanying drawings. wherein:
Fig. l is a vertical longitudinal sectional view of an installation embodying the invention;
Fig. 2 is a sectional view taken on the line 2-2 of Fig. 1; and
Fig. 3 is a sectional view taken on the line 3 3 of Fig. 1.
Referring particularly to the drawings, the installation there shown for illustrative purposes is designed for use in dispensing liqueed petroleum gases, such as normal butane, isobutane.,
propane or a mixture of butane and propane gases and the apparatus is adapted to be buried in the ground. In this instance. the liquefied gas is stored in a horizontally arranged cylindrical tank I0 of any suitable capacity. 'nils tank is adapted to be nlled with liquefied gas under pressure through a stand pipe Il and a branch I2 having an ordinary inlet valve i2. As the liqueed gas is being charged into the tank, vaporized gas in the tank is allowed to escape into the air or into the filling tank through a pipe I4 having an outlet valve i5, to make room for the new supply of liqueed gas. The lower end of pipe i 4 determines the level to which the liquefied gas can be raised. Some clearance or vapor space is required for safe operation.
The stand pipe il conveniently carries a level gage i6 at its upper end connected to an ordinary float i1 within the tank, although, it is to be understood that any other convenient type of level indicating apparatus may be employed.
The vapor under pressure is delivered through a conduit I8, having a hand valve i9; thence. through an ordinary pressure reducing regulator 20 to an outlet pipe 2| and a service main 22. In this instance, water is conducted through the 55 uqueaed ges m the tank to insure that 1t is ai- (CL Git- 122) a vent pipe 25 in heat exchanging relation with 10 the liquefied gas and conveniently passes through one end of the tank. as shown. Thus. circulation of the water supplies ample heat to vaporize the liquid.
The circulating water is also used in this inl5 stance to re-vaporize any condensed gas in the service outlet conduit. For this purpose, the outlet pipe 2i extends into the cylindrical conduit 24 to a. point near the bottom thereof, the lower end being closed and preferably supported by a 2o cross bar or bracket 26.
'I'he service pipe 22 extends through the wall of the conduit 24 near its upper end and is connected to the pipe 2i therein. thus providing a vertical trap to catch any condensed gas vapor. 25 This condensate is quickly re-vaporized by the circulating water in the cylindrical conduit. This is a very important feature, especially in plants used in extremely cold climates because the gas vapor condenses at a temperature between about 30 48 F. and 32 F., depending on the mixture employed. Hence, the water which is always above the freezing point will supply sufficient heat to re-vaporize the liquefied gas.
As is usual in systems of this type. an ordinary 35 relief valve 21 is connected to the low pressure side of the regulating valve 20 to protect the appliances from any excessive pressure. This relief valve has an outlet conduit 28 and a vent pipe 29. Also, a vent pipe 3U is connected to the 40 pressure regulator. All of these pipes are shown as extending above the ground level so that no water can submerge them and interfere with their functions.
To protect the mechanism outside the tank 45 during shipment and after its installation in the ground. there is shown a sheet metal casing 3| which can be of any suitable shape but is preferably frusto-pyramldal, having four sides converging upwardly. The lower ends are cut to 50 conform to the contour of the tank and opposite side walls are preferably bolted to angle brackets 32 welded on the tank. I'he top of the casing or housing is closed by a suitable cover I3 hinged or otherwise removably secured thereto. It la shown as having a pipe handle 34 providing a 'vent for the interior of the casing. Incidentally,
the pipes 28, 29, and 30 are shown as being secured near their upper ends to one wall oi' the housing. It will be observed that the upper end of the housing 3i protrudes slightly above the ground so that the apparatus within is readily accessible by removing .the cover.
It is important that the pressure regulator be protected from freezing temperatures in order that it may function properly. In mild climates the casing alone is suiiicient for this purpose. In cold climates the interior of the casing is preferably filled or lined with any suitable heat insulating material, such as asbestos or rock wool. In Fig. 1, the casing has a layer 35 of such lining which is preferably a few inches thick. It retards the escape of the earths heat through the top of the casing. It will be understood that the earths heat is used to help vaporize the liquefied gas in the tank. In some instances the casing will be filled with such insulation to a point above the level of the regulator 20 better to protect the apparatus in cold weather.
Thus. it will be clear that the apparatus is well protected. The whole unit may be assembled and tested at the factory and the casing will serve to prevent damage to the parts during shipment. Otherwise, the pipes might be knocked or jarred and cause dangerous leaks. Moreover, the casing makes all of the apparatus easily accessible for service, inspection and repairs. Also, the complete units may be displayed in sales rooms and present an attractive appearance.
Obviously, the present invention is not restricted to the particular embodiment thereof herein shown and described. Moreover, it is not indispensable that all the features of the invention be used conjointly, since they may be employed advantageously in various combinations and sub-combinations.
What is claimed is:
1. In a liquefied gas storage and dispensing plant of the class described, a storage tank; dispensing devices, including a pressure reducing regulator connected to said tank; a service pipe connected to said regulator; and heat exchanging means associated with said service pipe to revaporize any condensed gas therein.
2. In a liquefied gas storage and dispensing plant of the class described, a storage tank; dispensing means connected to the tank for de livering gas at a low pressure therefrom; a service pipe leading from said dispensing means having a portion projecting into said tank; a water 5 conduit around said pipe within the tank providing a heat exchanger for re-vaporizing condensed gas therein; and water pipes connected to said conduit for circulating water in heat exchanging relation to liquefied gas in the tank. 10
3. A storage and dispensing system for liquefied petroleum gases under pressure comprising, in combination, a storage tank adapted to be buried in the ground; a valved filling conduit for the storage tank; a valved gas dispensing con- 15 duit connected to the tank; an automatic pressure regulator connected to the dispensing conduit; a protecting casing secured to the tank and providing a housing for said filling conduit, said valve and said pressure regulator; a safety 20 vent pipe connected to said pressure regulator and projecting upwardly into said protecting casing to a point near the top; and a vented removable cover for said casing adapted to project above the ground so that the parts in said 25 casing are accessible for removal or repairs.
4. In a liquefied gas storage and dispensing system of the class described, a storage tank for holding liqueiied gas under pressure; dispensing means, including a pressure reducing valve con- 30 nected to said tank; and a heat exchanger connected to the dispensing means to revaporize any condensate in the dispensing conduit after the gas passes through said pressure reducing valve.
5. In a liquefied gas storage and dispensing plant of the character described. a storage tank for holding the liquefied gas under pressure adapted to be buried in the ground; filling and dispensing devices. including a pressure regulator and valved conduits secured to the tank and projecting upwardly therefrom; a protecting casing for said devices secured to the tank adapted to be partially buried in the ground with the tank; 45 a vent for said regulator extending to the top of the casing above the ground level; and a removable cover for said casing to permit access to said devices.
LOYD J. WHITE- 50
US42337A 1935-09-26 1935-09-26 Storage and dispensing apparatus for liquefied gases Expired - Lifetime US2042439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US42337A US2042439A (en) 1935-09-26 1935-09-26 Storage and dispensing apparatus for liquefied gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42337A US2042439A (en) 1935-09-26 1935-09-26 Storage and dispensing apparatus for liquefied gases

Publications (1)

Publication Number Publication Date
US2042439A true US2042439A (en) 1936-05-26

Family

ID=21921321

Family Applications (1)

Application Number Title Priority Date Filing Date
US42337A Expired - Lifetime US2042439A (en) 1935-09-26 1935-09-26 Storage and dispensing apparatus for liquefied gases

Country Status (1)

Country Link
US (1) US2042439A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418253A (en) * 1944-04-22 1947-04-01 Ewing Robert Dome mounting for butane tanks
US2500936A (en) * 1936-06-27 1950-03-21 Bastian Blessing Co Gas generating apparatus
US2930197A (en) * 1954-11-12 1960-03-29 Phillips Petroleum Co Underground storage of high pressure petroleum gases

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2500936A (en) * 1936-06-27 1950-03-21 Bastian Blessing Co Gas generating apparatus
US2418253A (en) * 1944-04-22 1947-04-01 Ewing Robert Dome mounting for butane tanks
US2930197A (en) * 1954-11-12 1960-03-29 Phillips Petroleum Co Underground storage of high pressure petroleum gases

Similar Documents

Publication Publication Date Title
US2687618A (en) Safety storage system for liquefied hydrocarbons
US2499409A (en) Liquefied petroleum gas dispensing system
USRE21470E (en) Storage and dispensing apparatus
US2286050A (en) Butane system
US2042439A (en) Storage and dispensing apparatus for liquefied gases
US2497969A (en) Liquefied gas dispensing apparatus
USRE20624E (en) Storage and dispensing apparatus
US2260356A (en) Liquefied petroleum gas dispensing system
US2155340A (en) Fuel supply system
US2143311A (en) Method of fire extinguishing
US2166912A (en) Liquefied hydrocarbon gas storage and dispensing system
US2335837A (en) Apparatus for utilization of liquefied petroleum gases
US2121673A (en) Dispensing apparatus for liquefied gas
US2166914A (en) Liquefied hydrocarbon gas storage and dispensing system
US2378077A (en) Method of and system for dispensing liquefied fuel
US2449352A (en) Liquefied gas storage and dispensing system
US2316495A (en) Liquefied gas dispensing system
US2357777A (en) Underground liquefied gas dispensing system
US2463493A (en) Gas dispensing device
US1917154A (en) Vaporizing system for commercial liquefied hydrocarbons
US2216866A (en) Liquefied gas dispensing system
US2166922A (en) Liquefied gas dispensing system
US2166913A (en) Apparatus for storing and dispensing liquefied hydrocarbon gas
US2449118A (en) High-pressure petroleum gas dispensing method and apparatus
US2400569A (en) Gas dispensing device