US3083668A - Tanker for shipping liquefied hydrocarbon gas - Google Patents

Tanker for shipping liquefied hydrocarbon gas Download PDF

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Publication number
US3083668A
US3083668A US826983A US82698359A US3083668A US 3083668 A US3083668 A US 3083668A US 826983 A US826983 A US 826983A US 82698359 A US82698359 A US 82698359A US 3083668 A US3083668 A US 3083668A
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Prior art keywords
tank
hull
inner hull
supports
tanker
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Expired - Lifetime
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US826983A
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English (en)
Inventor
Marciano Domenico
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Conditioned Power Co SpA
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Conditioned Power Co SpA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • 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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • 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
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0631—Three or more walls
    • 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
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • 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
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/015—Facilitating maintenance
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/03—Treating the boil-off
    • F17C2265/031—Treating the boil-off by discharge
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • F17C2265/033—Treating the boil-off by recovery with cooling
    • F17C2265/034—Treating the boil-off by recovery with cooling with condensing the gas phase
    • 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
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships

Definitions

  • Domenica Marciano by a! Attorneys United States Patent D 3,033,668 TANKER FOR swarm; LIQUEF-ED HYDRQ- CARBON GAS V Domenico Marciano, Rome,lt'aly,-assignor to Conditioned Power Co. S.p.A., Rome, Italy, a company of Italy Filed July 14, 1959 Ser.-No,-826,983 Ciaims priority, application Italy July 18, 1958 2 Claims. (Cl. 114-74)
  • the present'invention' relates'to a-tanker provided with particular features -rendering -said "tanker apt to convey, under low temperature and atmospheric pressure conditions, the liquefied'hydrocarbongas.
  • inventive features relate particularly to the principles adopted for conveying by a tanker a liquefied gas, under low temperature and atmospheric pressure conditions, as well as the kind and the particular features of the tanks for said liquefied gas and the system found for connecting said tanks to the ships hull, with the principle of leaving always open to inspection the outer surface of the tanks.
  • hydrocarbon liquefied gas which are apt to be used as fuels and for industrial uses, such as methane, propane, butane and the like, and the mixtures thereof.
  • the purpose to be attained is that of conveying the liquefied gas at a temperature equal to, or lower than the boiling point thereof under atmospheric pressure, within so heat insulated tanks, that the evaporation of the liquefied gas due to heat supplied from outside will be minimized.
  • Each tank which must be totally fluid tight, in order to avoid the building up of any pressure due to evaporation must be provided with an automatic vent system for the gas, which may be either lost to atmosphere or recovered and utilized, through a re-liquefaction process, to maintain low the temperature of the liquefied gas inside the tank.
  • FIG. 1 shows a side elevational view of a ship embodying the inventive principles
  • FIG. 2 shows a top plane view of the ship, horizontally cross-sectioned along the hold plane, both the FIGS. 1 and 2, being largely diagrammatical and intended only to show the arrangement of the tanks, according to this invention, within the ships hull;
  • FIG. 3 shows a main section of the ship, intended to illustrate the arrangement of the tank
  • FIG. 4 shows an elevational view of one of the supporting members for the tanks
  • FIG. 5 shows a cross-sectional view of FIG. 4 taken along the line V--V.
  • FIGS. 1 and 2 show generally a ship built according to the inventive principles and containing a plurality of tanks 1, fore-and-aft aligned.
  • the inventive principle does not affect the size of the ship, her capacity, and the number of tanks for the liquefied gas, the determination of said elements depending only upon the study of the design of the ship with respect to her carrying capacity and her required performance.
  • FIG. 3 more specifically depicts the embodiment and the arrangement of a generic tank within the ships hull. It is to be noted that the holds enclosing the tanks form a double hull structurally connected, by means and systems issuing from the scope of this invention, to the 3,083,668 Patented Apr. 2, 1963 2 outer hull, so'as to furnish-the ship with an integral contribution to her strength, and to create furthermore a possible collection sump in case-of anyleakage'fro'm the tanks, preventing thus the gas from contacting the metal plates and the structures of the outer hull.
  • the numeral reference 2 denotes 'the outer hull
  • 3 is the double bill] forming the fluid-tight hold
  • the tanks are made of a material apt to keep good strength and ductility features also at the low exercise temperatures; said tanks are internally reinforcedas diagrammatically shown at 6 and are built preferably by welding techniques.
  • Eachtank 1 isindependent from the ships structure consisting of the outer hull 2, and of the inner double hull Seven if-said tank is :permanently located within the hold.
  • Each hold consisting of the doublehullfi, is alsototally fluid tight and a aforesaid it is structurally connected to the outer hull, thus integrally contributing to the ships strength.
  • each tank 1, Le. between the outer wall 4 of said tank and the associated hold 3 is embodied by means of support members 7 having the shape of double tee beams, of a flexible type as best shown in FIGS. 4 and 5.
  • Each support 7 consists of a corrugated central web 8 provided with the apertures 9 as shown in FIG. 5. To the ends of the web 8 are fixed the cross flanges 10 and 11.
  • FIG. 3 it has been there shown how the double tee elements are applied between the top 3' of the double bottom (forming the bottom of the hold) and the bottom of the tank, and between the sides of the tank and the side walls of said hold.
  • the members 7 support the weight of the tank 1, allowing its expansion and contraction due to the possible changes of temperature of the liquefied gas contained within the tank, and because of the fact that they are flexible and have the corrugations in the webs thereof are resiliently compressible and expansible so that they oppose the movements due to the dynamic action of the wavy motion due to their arrangement practically sur rounding the tanks.
  • the supports 7 undergo slight bending and torsion movements.
  • the supports are fastened to both the walls 3 and the bottom 3 of the hold (double hull) and the outer surface of the insulation is slidable on said supports. It is preferred to provide a separate section of insulation 5' between each support and the tank wall 4, the insulator 5' being more resistant to wear than the insulation 5 used to cover most of the tank.
  • the metal plates of the holds are made of special steel apt to render said holds suitable to contain the liquefied gas, in case of breaking down or leak of any tank.
  • the space 12 (FIG. 3) existing between each container and the associated hold has such a width to allow the easy, continuous and complete inspection of both the 1ringer surface of the tank and the inner surface of the
  • This space 12 is provided with an adequate air exchange which can also be obtained as a forced draught by a suitable mechanical ventilation unit (not shown in the figures) in order to diminish the temperature and the hunliidity degree of the ambient space surrounding the tan While a specific embodiment of the invention has been shown and described in detail to illustrate the application of the invention principles, it will be understood that the invention may be embodied otherwise without departing from said principles.
  • a ship structure for transporting liquefied petroleum gas comprising in combination an outer hull, an inner hull mounted in spaced relationship Within said outer hull and defining within said outer hull a gas tight enclosure, support members fixed at spaced points on the bottom and side walls of said inner hull, and projecting into said inner hull, said support members being compressible and expansible in a direction substantially perpendicular to said inner hull, a liquefied petroleum gas tank freely slidably mounted in heat insulating relationship on said supports, a heat insulating layer covering the outer surfaces of said tank, a hard heat insulating layer covering said tank at point contacting said supports, said tank being spaced from the inner hull around the entire periphery of the tank, and slidable on said supports to permit adjustment of the position of the tank relative to the inner hull, the space between the inner hull and the tank being easily accessible for inspecting said heating insulating layer.
  • said support comprises beams which are substantially I-shaped in cross section with a web extending between two flanges, said web having a plurality of apertures therein and the portions of said web remaining between said apertures being'corrugated with the corrugations extending parallel to said flanges, the lower flange being rigidly fixed to the inner wall of said inner hull, and the upper flange being freely slidably held against said tank.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US826983A 1958-07-18 1959-07-14 Tanker for shipping liquefied hydrocarbon gas Expired - Lifetime US3083668A (en)

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IT873653X 1958-07-18

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FR (1) FR1230833A (fr)
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298345A (en) * 1964-11-13 1967-01-17 Exxon Research Engineering Co Double hulled ship
US3922987A (en) * 1972-08-02 1975-12-02 Conch Int Methane Ltd Liquefied gas tanker construction using stiffener members
US3941272A (en) * 1974-03-27 1976-03-02 Kaiser Aluminum & Chemical Corporation Cryogenic transport
US4907524A (en) * 1988-08-05 1990-03-13 Special Projects Research Corporation Method and device for controlling strain and/or deflection in superstructures
US9045194B2 (en) 2012-08-09 2015-06-02 Martin Operating Partnership L.P. Retrofitting a conventional containment vessel into a complete integral tank double-hull cargo containment vessel
US9302562B2 (en) 2012-08-09 2016-04-05 Martin Operating Partnership L.P. Heating a hot cargo barge using recovered heat from another vessel using an umbilical

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540967A1 (fr) * 1983-02-11 1984-08-17 Nord Mediterranee Chantiers Navire de transport de gaz liquefie, procede et dispositif d'isolation thermique des cuves de celui-ci

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US956810A (en) * 1909-04-27 1910-05-03 Frank I Lamasney Shipping-receptacle.
US1779786A (en) * 1927-07-18 1930-10-28 Unzue Martin De Alzaga Safety tank
DE746567C (de) * 1941-11-13 1944-08-12 Waggon Fabrik Uerdinger Ag Waermebeanspruchter doppelwandiger Behaelter in Leichtbauert
US2464356A (en) * 1946-11-09 1949-03-15 Westinghouse Electric Corp Heat exchanger or condenser support
US2520883A (en) * 1942-07-11 1950-08-29 Linde Air Prod Co Container for liquefied gases
US2563118A (en) * 1945-02-02 1951-08-07 Pittsburgh Des Moines Company Double walled insulated tank or container for storing low-tem-perature liquefied gases
US2896416A (en) * 1957-08-05 1959-07-28 Constock Int Methane Ltd Means for the transportation and storage of cold boiling liquefied hydrocarbon gas
US2897657A (en) * 1955-12-13 1959-08-04 Exxon Research Engineering Co Storage and transportation of liquefied gas
US2920850A (en) * 1956-06-12 1960-01-12 United States Steel Corp Support means for long tanks
US2963873A (en) * 1957-07-10 1960-12-13 Texas Gas Transmission Corp Method and apparatus for storing liquefied gases
US2970559A (en) * 1957-10-01 1961-02-07 Leroux Rene Vessels for the transport of liquefied gases
US2992622A (en) * 1957-12-20 1961-07-18 California Research Corp Tank stabilizer for ships
US2993460A (en) * 1958-05-29 1961-07-25 California Research Corp Tank support

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US956810A (en) * 1909-04-27 1910-05-03 Frank I Lamasney Shipping-receptacle.
US1779786A (en) * 1927-07-18 1930-10-28 Unzue Martin De Alzaga Safety tank
DE746567C (de) * 1941-11-13 1944-08-12 Waggon Fabrik Uerdinger Ag Waermebeanspruchter doppelwandiger Behaelter in Leichtbauert
US2520883A (en) * 1942-07-11 1950-08-29 Linde Air Prod Co Container for liquefied gases
US2563118A (en) * 1945-02-02 1951-08-07 Pittsburgh Des Moines Company Double walled insulated tank or container for storing low-tem-perature liquefied gases
US2464356A (en) * 1946-11-09 1949-03-15 Westinghouse Electric Corp Heat exchanger or condenser support
US2897657A (en) * 1955-12-13 1959-08-04 Exxon Research Engineering Co Storage and transportation of liquefied gas
US2920850A (en) * 1956-06-12 1960-01-12 United States Steel Corp Support means for long tanks
US2963873A (en) * 1957-07-10 1960-12-13 Texas Gas Transmission Corp Method and apparatus for storing liquefied gases
US2896416A (en) * 1957-08-05 1959-07-28 Constock Int Methane Ltd Means for the transportation and storage of cold boiling liquefied hydrocarbon gas
US2970559A (en) * 1957-10-01 1961-02-07 Leroux Rene Vessels for the transport of liquefied gases
US2992622A (en) * 1957-12-20 1961-07-18 California Research Corp Tank stabilizer for ships
US2993460A (en) * 1958-05-29 1961-07-25 California Research Corp Tank support

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298345A (en) * 1964-11-13 1967-01-17 Exxon Research Engineering Co Double hulled ship
US3922987A (en) * 1972-08-02 1975-12-02 Conch Int Methane Ltd Liquefied gas tanker construction using stiffener members
US3941272A (en) * 1974-03-27 1976-03-02 Kaiser Aluminum & Chemical Corporation Cryogenic transport
US4907524A (en) * 1988-08-05 1990-03-13 Special Projects Research Corporation Method and device for controlling strain and/or deflection in superstructures
WO1991013798A1 (fr) * 1988-08-05 1991-09-19 Special Projects Engineering Systeme et dispositif permettant de limiter les contraintes et prevenir les deformations dans les superstructures
US9045194B2 (en) 2012-08-09 2015-06-02 Martin Operating Partnership L.P. Retrofitting a conventional containment vessel into a complete integral tank double-hull cargo containment vessel
US9302562B2 (en) 2012-08-09 2016-04-05 Martin Operating Partnership L.P. Heating a hot cargo barge using recovered heat from another vessel using an umbilical
US9555870B2 (en) 2012-08-09 2017-01-31 Martin Operating Partnership L.P. Heating a cargo barge using recovered energy from another vessel using an umbilical

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Publication number Publication date
FR1230833A (fr) 1960-09-20
GB873653A (en) 1961-07-26

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