US2600015A - Storage system for pressurized fluids - Google Patents
Storage system for pressurized fluids Download PDFInfo
- Publication number
- US2600015A US2600015A US751931A US75193147A US2600015A US 2600015 A US2600015 A US 2600015A US 751931 A US751931 A US 751931A US 75193147 A US75193147 A US 75193147A US 2600015 A US2600015 A US 2600015A
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- Prior art keywords
- tanks
- deck
- tank
- trunks
- storage system
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Classifications
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- 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
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
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- 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/002—Storage in barges or on ships
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- 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
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- 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
- F17C2201/032—Orientation with substantially vertical main axis
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- 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
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
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- 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
- F17C2201/05—Size
- F17C2201/054—Size medium (>1 m3)
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- 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
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- 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
- F17C2205/01—Mounting arrangements
- F17C2205/0103—Exterior arrangements
- F17C2205/0107—Frames
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- 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
- F17C2205/01—Mounting arrangements
- F17C2205/0123—Mounting arrangements characterised by number of vessels
- F17C2205/013—Two or more vessels
- F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
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- 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
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/018—Supporting feet
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- 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
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- 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
- F17C2205/0352—Pipes
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- 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
- F17C2205/0379—Manholes or access openings for human beings
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- 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
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- 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
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- 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
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- 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
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/046—Localisation of the removal point in the liquid
- F17C2223/047—Localisation of the removal point in the liquid with a dip tube
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- 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
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- 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
- F17C2260/024—Improving metering
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- 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
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
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- 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
- the embodiment of the invention is adaptable to all types of cargo ships to convert such ships to bulk fluid carriers, and to this end a ship is provided, preferably with three or more spaced rows of individual vertical tanks running athwart ship, each row containing a plurality of spaced tanks in the longitudinal direction.
- Each individual tank is supported below deck in the hold of the ship by appropriate saddles and chocks, while a fluid-tight expansion joint connection is provided between the deck and the neck portion of each tank, said neck portions being the only parts of the tanks which extend above the deck level.
- a manhole cover having mounted thereon all of the valve and piping connections for the tank is fitted onto the upper end of the neck portion of each tank, thus facilitating the simultaneous removal of all of the valves and internal piping of a tank for inspection or repair by a mere removal of the manhole cover by lifting gear.
- Each of the tank necks is enclosed by a water and gas tight trunk secured to the deck and having a removable cover so that access may be had to the valves carried by'the manhole cover of the tank.
- the trunks prevent the escape of the gas therefrom.
- Each of the trunks is provided with a vent line to remove any leakage gas from the trunks for transfer to a vent outlet remotely located from the deck and cargo, as, for example, at the top of the ship's mast.
- the hold atmosphere surrounding the tanks is charged with a non-toxic, non-corrosive inert gas by a suitable feed mechanism responsive to a gas analyzer and adapted at all times to maintain the inert gas constituent of the hold atmosphere at not less than 40% of the total volume of the hold, thus providing an atmosphere which will not support combustion and in which men can work safely for short periods of time.
- the tanks in the middle row or rows are of considerably greater volume than the tanks in the side rows, due to the provision of a longitudinal deck house, through the topside of which the neck portions of the middle row tanks extend.
- the deck house not only increases the load capacity of the ship by allowing the use of tanks of greater volume, but has the added function of serving as an anti-blast and fire-break superstructure to prevent, in the event of an explosion or fire occurring in the trunk of a tank in one of the side rows, propagation of the explosion or fire to the middle row trunks which are located at a substantially higher level or to the trunks in the other side row which are shielded by the dec house.
- Figure 1 is a view in transverse section through a ship embodying the invention
- Figure 2 is an enlarged detailed view in section of the neck portion of a tank and surrounding trunk;
- Figure 3 is a reduced scale plan view in section taken along lines 33 of Figure 1;
- Figure 4 is a view in elevation of the lower portion of a tank and its lowermost supporting saddle.
- Figure 5 is a plan view of the supporting saddle of Figure 4 with the tank in shadow outline.
- Figure 1 shows the midship section of a ship comprising an outer bottom 10, an inner bottom l2 supported by a plurality of spaced transverse floors I4 and longitudinal girders l6, vertical webs l8 and angles 20 supported by the inner bottom l2 and interconnected by longitudinal chocks 22 and stringers 24, sides 26 supported by the webs l8 and angles 20, and deck beams 28 supported by the webs I8 and angles 20, and in turn supporting a deck 36.
- Pipe stanchions 32 support longitudinal deck beams 34 and 28, and also serve as support members for transverse I-beams 36 extending between the sides 26, said I-beams 36 serving as supports and being interconnected by longitudinal I-beams 38.
- the I-beams 36 and 38 define a supporting structure comprising a plurality of rectangular cells, as shown in Figure 3.
- deck 30 and the topside 50 of a centrally and longitudinally arranged deck house 52 supported by the deck are provided with apertures for the extension therethrough of the necks 54 of the tanks 44 and 48, said necks having a fluid-tight expansion joint connection 56 with the deck 38 and topside 50 of the deck house.
- a gaging pipe 14 and a therometer well 16 are also carried by the cover 58.
- Expansion joints 82 are provided adjacent the piping apertures, while there is further provided for each trunk a self-closing drain valve 84 and a vapor vent line 86 having a valve 81.
- the eduction lines 68 and of each tank lead to a common manifold line, not shown, for the charging or discharging of liquefied butane, propane, etc. to or from any predetermined tank, said manifold line having appropriate ship to shore hose connections, and also that the vapor escape lines 64 and 56, and vent line 85 from each trunk lead to a common line, not shown, which has a bellmouth terminus preferably at the top portion of the foremast of the ship, said terminus being preferably provided with a section fan, not shown.
- the valve 8'! Prior to the opening of any of the access hatches 80 of the trunks I8, to operate any of the valves 60, the valve 8'! is opened to exhaust the trunk of any combustible vapor which may have accumulated therein, thus preventing any explosion or the like, within the trunks during operation of the valves.
- the deck 36 and the sides 26 are provided with a layer of insulation 38 to minimize temperature changes within the hold induced by climatic conditions.
- the provision of insulation in this manner dispenses with the individual lagging of the tanks, and it has been found possible to load the individual tanks to as much as 90.4% of capacity with propane, and 92.6% with butane.
- An inert gas producer not shown is carried by the ship and is adapted, preferably, to process the exhaust gas of an internal combustion engine through a cycle of compression, cooling, washing, filtering and compressing to provide an inert gas having the following percentage composition: oxygen, l-3%; carbon monoxide, (LO-trace; and the balance carbon dioxide and nitrogen.
- This inert gas is metered into the sealed hold of the ship in accordance with the requirements, as given by a gas analyzer, to maintain at least 40% by volume of inert gas in the hold.
- a percentage value of 40% of the inert gas of the described nature within the hold is sufficient to prevent the supporting of combustion therein, and yet the concentration of the inert gas is sufficiently low to allow men to work safely for short periods in 4 the hold.
- Inert gas of the described composition is non-toxic as well as non-corrosive.
- the embodiment of the invention provides for a high eificiency in the handling of a maximum load of liquefied cargo under optimum safety conditions.
- the location of all piping externally of the hold, either on deck or in the trunks is conducive to a high efiiciency in the loading and unloading of the cargo, as well as providing for rapid and convenient repair and maintenance of the piping and valves;
- the deck and side insulation together with the increment to the hold space provided by the deck house make it possible for the ship to carry a maximum weight of liquefied petroleum products;
- a storage system for pressurized fluids comprising at least three tanks spacedly arranged transversely of a laterally enclosed cavity and supported therein, said outer tanks being provided with neck portions extending through planar members forming partial upper closures for said cavity at each side thereof, a housing having vertically disposed side walls extending upwardly from the inner margins of said planar members and having a horizontally disposed roof constituting a central upper closure for said cavity, said intermediate tank having a neck portion extending through the roof of said hous ing, and a removable closure for each tank at the neck portion thereof, the side walls of said housing serving as anti-damage propagation bulwarks between adjacent tanks.
- a storage system for pressurized fluids comprising at least three spaced rows of longitudinally spaced tanks, the tanks of the two outer rows being supported within a laterally enclosed cavity and having neck portions extending through planar members forming partial upper closures for said cavity at each side thereof, an expansion joint connection between each of said neck portions and a planar member, said intermediate tanks being supported within said cavity and having neck portions extending through the roof of a housing of substantial height having side walls extending upwardly from the inner margins 01' said planar members, expansion joint connections between the neck portions of said intermediate tanks and said housing roof, fluidtight trunks carried by said planar members and said housing roof, with said trunks enclosing the neck portions of said tanks, and an access hatch in each trunk.
Description
June 10, 1952 G. F. MOLAUGHLIN 2,600,015
STORAGE SYSTEM FOR PRESSURIZED FLUIDS Filed June 2, 1947 3 Sheets-Sheet -1 (DOG OO 00 00 P1 INVENTOR.
GEORGE E M LAUEHLIN ATTORNE Y6 June 10, 1952 MOLAUGHLIN 2,600,015
STORAGE SYSTEM FOR PRESSURIZED FLUIDS Filed June 2, 1947 5 Sheets-Sheet 2 IN VEN TOR. 650/?6'5 E M LAUGWZ //V ATTORNE Y6 June 10, 1952 MGLAUGHLIN 2,600,015
STORAGE SYSTEM FOR PRESSURIZED FLUIDS Filed June 2, 1947 3 Sheets-Sheet 3 .INVENTOR. GEORGE E MLAU6HLMI QW M Patented June 1O, 1 952 UNITED STATES PATENT OFFICE STORAGE SYSTEM FOR PRESSURIZED FLUIDS This invention relates to a bulk fluid carrier, and more particularly to a ship adapted for the efficient and. safe carrying of liquid petroleum products, such as butane, propane, etc., which are gaseous at normal pressures and temperatures.
Broadly, the embodiment of the invention is adaptable to all types of cargo ships to convert such ships to bulk fluid carriers, and to this end a ship is provided, preferably with three or more spaced rows of individual vertical tanks running athwart ship, each row containing a plurality of spaced tanks in the longitudinal direction. Each individual tank is supported below deck in the hold of the ship by appropriate saddles and chocks, while a fluid-tight expansion joint connection is provided between the deck and the neck portion of each tank, said neck portions being the only parts of the tanks which extend above the deck level. A manhole cover having mounted thereon all of the valve and piping connections for the tank is fitted onto the upper end of the neck portion of each tank, thus facilitating the simultaneous removal of all of the valves and internal piping of a tank for inspection or repair by a mere removal of the manhole cover by lifting gear.
Each of the tank necks is enclosed by a water and gas tight trunk secured to the deck and having a removable cover so that access may be had to the valves carried by'the manhole cover of the tank. In the event that gas leakage occurs from the valves within the trunks, the trunks prevent the escape of the gas therefrom. Each of the trunks is provided with a vent line to remove any leakage gas from the trunks for transfer to a vent outlet remotely located from the deck and cargo, as, for example, at the top of the ship's mast.
As a precaution against the possible building up below deck of a combustible air and gas mixture, due to damage to any tank and consequent leakage, the hold atmosphere surrounding the tanks is charged with a non-toxic, non-corrosive inert gas by a suitable feed mechanism responsive to a gas analyzer and adapted at all times to maintain the inert gas constituent of the hold atmosphere at not less than 40% of the total volume of the hold, thus providing an atmosphere which will not support combustion and in which men can work safely for short periods of time.
The tanks in the middle row or rows are of considerably greater volume than the tanks in the side rows, due to the provision of a longitudinal deck house, through the topside of which the neck portions of the middle row tanks extend. The deck house not only increases the load capacity of the ship by allowing the use of tanks of greater volume, but has the added function of serving as an anti-blast and fire-break superstructure to prevent, in the event of an explosion or fire occurring in the trunk of a tank in one of the side rows, propagation of the explosion or fire to the middle row trunks which are located at a substantially higher level or to the trunks in the other side row which are shielded by the dec house.
These and other objects and advantages of the invention will be apparent from the following description taken in conjunction with the drawings forming part of this specification, and in which:
Figure 1 is a view in transverse section through a ship embodying the invention;
Figure 2 is an enlarged detailed view in section of the neck portion of a tank and surrounding trunk; I
Figure 3 is a reduced scale plan view in section taken along lines 33 of Figure 1;
Figure 4 is a view in elevation of the lower portion of a tank and its lowermost supporting saddle; and
Figure 5 is a plan view of the supporting saddle of Figure 4 with the tank in shadow outline.
Referring to the drawings for more specific details of the invention, Figure 1 shows the midship section of a ship comprising an outer bottom 10, an inner bottom l2 supported by a plurality of spaced transverse floors I4 and longitudinal girders l6, vertical webs l8 and angles 20 supported by the inner bottom l2 and interconnected by longitudinal chocks 22 and stringers 24, sides 26 supported by the webs l8 and angles 20, and deck beams 28 supported by the webs I8 and angles 20, and in turn supporting a deck 36. Pipe stanchions 32 support longitudinal deck beams 34 and 28, and also serve as support members for transverse I-beams 36 extending between the sides 26, said I-beams 36 serving as supports and being interconnected by longitudinal I-beams 38. The I- beams 36 and 38 define a supporting structure comprising a plurality of rectangular cells, as shown in Figure 3.
Spaced rows of saddles 40 supported by the inner bottom l2 and comprising a cruciform structure having upstanding feet 42, as shown in Figure 5, cradle the rounded ends of side tanks 44 and center tanks 46, said tanks being provided with flanged lugs 48 for the supplemental support of said tanks by the I- beams 36 and 38. The
A manhole cover 58 removably secured in any desired manner to the upper ends of the necks 54 of the tanks, as by bolts not shown, supports a plurality of liquid and vapor lines, each line having a control valve 60, said lines comprising a vapor line 62, one way exit lines 64 and 66 for vapor escape, two way liquid eduction lines 68 and 18, and a test line 12 terminating just above the manhole cover 58. A gaging pipe 14 and a therometer well 16 are also carried by the cover 58.
Water tight trunks 18 secured to the deck 30 and the topside 50 of the deck house 52 and having an access hatch 3B enclose the above-deck portions of the tanks 44 and 46, said trunks being provided with apertures for the passage therethrough of the piping within the trunks. Expansion joints 82 are provided adjacent the piping apertures, while there is further provided for each trunk a self-closing drain valve 84 and a vapor vent line 86 having a valve 81.
It will be understood that the eduction lines 68 and of each tank lead to a common manifold line, not shown, for the charging or discharging of liquefied butane, propane, etc. to or from any predetermined tank, said manifold line having appropriate ship to shore hose connections, and also that the vapor escape lines 64 and 56, and vent line 85 from each trunk lead to a common line, not shown, which has a bellmouth terminus preferably at the top portion of the foremast of the ship, said terminus being preferably provided with a section fan, not shown. Prior to the opening of any of the access hatches 80 of the trunks I8, to operate any of the valves 60, the valve 8'! is opened to exhaust the trunk of any combustible vapor which may have accumulated therein, thus preventing any explosion or the like, within the trunks during operation of the valves.
In order to provide for a minimum safe ullage within each tank and a consequent maximum safe loading, the deck 36 and the sides 26 are provided with a layer of insulation 38 to minimize temperature changes within the hold induced by climatic conditions. The provision of insulation in this manner dispenses with the individual lagging of the tanks, and it has been found possible to load the individual tanks to as much as 90.4% of capacity with propane, and 92.6% with butane.
An inert gas producer, not shown is carried by the ship and is adapted, preferably, to process the exhaust gas of an internal combustion engine through a cycle of compression, cooling, washing, filtering and compressing to provide an inert gas having the following percentage composition: oxygen, l-3%; carbon monoxide, (LO-trace; and the balance carbon dioxide and nitrogen. This inert gas is metered into the sealed hold of the ship in accordance with the requirements, as given by a gas analyzer, to maintain at least 40% by volume of inert gas in the hold. A percentage value of 40% of the inert gas of the described nature within the hold is sufficient to prevent the supporting of combustion therein, and yet the concentration of the inert gas is sufficiently low to allow men to work safely for short periods in 4 the hold. Inert gas of the described composition is non-toxic as well as non-corrosive.
It is readily apparent from the foregoing that the embodiment of the invention provides for a high eificiency in the handling of a maximum load of liquefied cargo under optimum safety conditions. Thus, the location of all piping externally of the hold, either on deck or in the trunks, is conducive to a high efiiciency in the loading and unloading of the cargo, as well as providing for rapid and convenient repair and maintenance of the piping and valves; the deck and side insulation together with the increment to the hold space provided by the deck house make it possible for the ship to carry a maximum weight of liquefied petroleum products; and the inert gas blanketing of the hold space, the water and gas-tight deck trunks, and the deck house, serving as an anti-blast and fire-wall structure, provide for the carrying of the cargo with optimum safety.
It is to be pointed out that more than one row of intermediate tanks may be located beneath the deck housing, and that the single intermediate row shown in the drawings is by way of illustration and not of limitation. It is also to be understood that the embodiment of the invention shown and described is subject to other modifications within the spirit of the invention and the scope of the appended claims.
I claim:
1. A storage system for pressurized fluids comprising at least three tanks spacedly arranged transversely of a laterally enclosed cavity and supported therein, said outer tanks being provided with neck portions extending through planar members forming partial upper closures for said cavity at each side thereof, a housing having vertically disposed side walls extending upwardly from the inner margins of said planar members and having a horizontally disposed roof constituting a central upper closure for said cavity, said intermediate tank having a neck portion extending through the roof of said hous ing, and a removable closure for each tank at the neck portion thereof, the side walls of said housing serving as anti-damage propagation bulwarks between adjacent tanks.
2. A storage system as set forth in claim 1, wherein the outer tanks and the intermediate tank are provided with expansion joint connections between the neck portions thereof and said planar members and housing roof, and wherein fiuidtight trunks supported by said Planar members and said housing roof and enclosing said neck portions are provided, said trunks being provided with access hatches.
3. A storage system as set forth in claim 2, wherein the intermediate tank is greater in volume than each of the outer tanks substantially in proportion to the height of the side walls of said housing.
4. A storage system for pressurized fluids comprising at least three spaced rows of longitudinally spaced tanks, the tanks of the two outer rows being supported within a laterally enclosed cavity and having neck portions extending through planar members forming partial upper closures for said cavity at each side thereof, an expansion joint connection between each of said neck portions and a planar member, said intermediate tanks being supported within said cavity and having neck portions extending through the roof of a housing of substantial height having side walls extending upwardly from the inner margins 01' said planar members, expansion joint connections between the neck portions of said intermediate tanks and said housing roof, fluidtight trunks carried by said planar members and said housing roof, with said trunks enclosing the neck portions of said tanks, and an access hatch in each trunk.
GEORGE F. MCLAUGHLIN.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Number Name Date Quinan Nov. 30, 1869 Oriolle Aug. 23, 1887 Holmes Apr. 26, 1904 Jack Jan. 7, 1913 Murphy Jan. 19, 1932 Zulver July 21, 1936 Willenborg Aug. 4, 1936 Woodrufi Mar. 16, 1937 FOREIGN PATENTS Country Date Great Britain July 2, 1936
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US751931A US2600015A (en) | 1947-06-02 | 1947-06-02 | Storage system for pressurized fluids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US751931A US2600015A (en) | 1947-06-02 | 1947-06-02 | Storage system for pressurized fluids |
Publications (1)
Publication Number | Publication Date |
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US2600015A true US2600015A (en) | 1952-06-10 |
Family
ID=25024135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US751931A Expired - Lifetime US2600015A (en) | 1947-06-02 | 1947-06-02 | Storage system for pressurized fluids |
Country Status (1)
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US (1) | US2600015A (en) |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
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US2683552A (en) * | 1952-02-18 | 1954-07-13 | Warren Petroleum Corp | Fire wall and tank installation |
US2725027A (en) * | 1951-11-21 | 1955-11-29 | H H & N A Hardin Company | Multiple unit barge hull construction |
US2896416A (en) * | 1957-08-05 | 1959-07-28 | Constock Int Methane Ltd | Means for the transportation and storage of cold boiling liquefied hydrocarbon gas |
US2933902A (en) * | 1955-12-12 | 1960-04-26 | Exxon Research Engineering Co | Transportation of liquefied gases |
US2970559A (en) * | 1957-10-01 | 1961-02-07 | Leroux Rene | Vessels for the transport of liquefied gases |
US2986011A (en) * | 1959-04-09 | 1961-05-30 | Conch Int Methane Ltd | Cold liquid storage tank |
DE1116096B (en) * | 1957-04-05 | 1961-10-26 | Wm Cory & Son Ltd | Tankers for the transport of methane |
DE1118637B (en) * | 1958-07-18 | 1961-11-30 | Conditioned Power Co S P A | Device for holding cargo containers on tankers for the shipping of liquefied hydrocarbon gases |
US3011321A (en) * | 1957-12-02 | 1961-12-05 | Texaco Inc | Apparatus for the maintenance of liquefied petroleum products |
DE1121960B (en) * | 1956-05-07 | 1962-01-11 | Constock Liquid Methane Corp | Ship for carrying a liquid cargo |
US3018916A (en) * | 1958-06-23 | 1962-01-30 | Conch Int Methane Ltd | Tank construction |
DE1129853B (en) * | 1957-04-05 | 1962-05-17 | Wm Cory & Son | Tanker for liquid gases |
US3043256A (en) * | 1957-04-05 | 1962-07-10 | Wm Cory & Son Ltd | Marine tankers |
US3052203A (en) * | 1957-11-29 | 1962-09-04 | Conch Int Methane Ltd | Ship and tank thereon |
US3064612A (en) * | 1960-10-20 | 1962-11-20 | Maryland Shipbuilding And Dryd | Carrier constructions for bulk fluids |
US3076423A (en) * | 1957-04-05 | 1963-02-05 | Wm Cory & Son Ltd | Marine tankers |
US3083669A (en) * | 1959-10-19 | 1963-04-02 | Phillips Petroleum Co | Marine vessels for volatile liquids |
US3094963A (en) * | 1957-04-05 | 1963-06-25 | Wm Cory & Son Ltd | Marine tankers |
US3113544A (en) * | 1962-07-12 | 1963-12-10 | Texaco Inc | Underdeck tunnel for tankers |
US3145680A (en) * | 1961-02-24 | 1964-08-25 | Hydrocarbon Research Inc | Transport of liquefied gases |
US3159004A (en) * | 1961-08-22 | 1964-12-01 | Hydrocarbon Research Inc | Transportation of liquefied natural gas |
US3315628A (en) * | 1964-12-28 | 1967-04-25 | Exxon Research Engineering Co | Cryogenic tanker contruction |
US4083318A (en) * | 1976-02-03 | 1978-04-11 | Naval Project Development Sarl | LNG tanker |
EP0981009A2 (en) * | 1998-08-20 | 2000-02-23 | Linde Aktiengesellschaft | Storage tank for cryogenic liquid |
US20070062430A1 (en) * | 2004-01-09 | 2007-03-22 | Conocophillips Company | High volume liquid containment system for ships |
EP1899218A1 (en) * | 2005-07-06 | 2008-03-19 | Compressed Energy Technolgoy AS | Vessel for transport of compressed natural gas |
CN103153775A (en) * | 2010-10-18 | 2013-06-12 | 大宇造船海洋株式会社 | Ship for transporting a liquefied natural gas storage container |
WO2013083157A1 (en) * | 2011-12-05 | 2013-06-13 | Blue Wave Co S.A. | Inspectable containers for the transport by sea of compressed natural gas, fitted with a manhole for internal access |
WO2013083161A1 (en) * | 2011-12-05 | 2013-06-13 | Blue Wave Co S.A. | A layered inspectable pressure vessel for cng storage and transportation |
US20140103046A1 (en) * | 2011-06-27 | 2014-04-17 | Moriki HATA | Method for constructing low-temperature tank and low-temperature tank |
CN105848995A (en) * | 2013-12-27 | 2016-08-10 | 川崎重工业株式会社 | Vertical fuel tank and support structure |
US20170183072A1 (en) * | 2014-05-30 | 2017-06-29 | Wartsila Finland Oy | A fuel tank arrangement of a marine vessel and method of operating a tank container of a marine vessel |
DE202018105532U1 (en) * | 2018-09-26 | 2020-01-07 | UNI-Geräte E. Mangelmann Elektrotechnische Fabrik GmbH | Housing for a gas valve unit (GVU) for ships with gas drive |
US11493171B2 (en) * | 2018-11-27 | 2022-11-08 | Airbus Defence and Space GmbH | Device for carrying fuel in an aircraft and spacecraft |
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Cited By (50)
Publication number | Priority date | Publication date | Assignee | Title |
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US2725027A (en) * | 1951-11-21 | 1955-11-29 | H H & N A Hardin Company | Multiple unit barge hull construction |
US2683552A (en) * | 1952-02-18 | 1954-07-13 | Warren Petroleum Corp | Fire wall and tank installation |
US2933902A (en) * | 1955-12-12 | 1960-04-26 | Exxon Research Engineering Co | Transportation of liquefied gases |
DE1121960B (en) * | 1956-05-07 | 1962-01-11 | Constock Liquid Methane Corp | Ship for carrying a liquid cargo |
US3043256A (en) * | 1957-04-05 | 1962-07-10 | Wm Cory & Son Ltd | Marine tankers |
DE1129853B (en) * | 1957-04-05 | 1962-05-17 | Wm Cory & Son | Tanker for liquid gases |
DE1116096B (en) * | 1957-04-05 | 1961-10-26 | Wm Cory & Son Ltd | Tankers for the transport of methane |
US3094963A (en) * | 1957-04-05 | 1963-06-25 | Wm Cory & Son Ltd | Marine tankers |
US3076423A (en) * | 1957-04-05 | 1963-02-05 | Wm Cory & Son Ltd | Marine tankers |
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 |
US3052203A (en) * | 1957-11-29 | 1962-09-04 | Conch Int Methane Ltd | Ship and tank thereon |
US3011321A (en) * | 1957-12-02 | 1961-12-05 | Texaco Inc | Apparatus for the maintenance of liquefied petroleum products |
US3018916A (en) * | 1958-06-23 | 1962-01-30 | Conch Int Methane Ltd | Tank construction |
DE1118637B (en) * | 1958-07-18 | 1961-11-30 | Conditioned Power Co S P A | Device for holding cargo containers on tankers for the shipping of liquefied hydrocarbon gases |
US2986011A (en) * | 1959-04-09 | 1961-05-30 | Conch Int Methane Ltd | Cold liquid storage tank |
US3083669A (en) * | 1959-10-19 | 1963-04-02 | Phillips Petroleum Co | Marine vessels for volatile liquids |
US3064612A (en) * | 1960-10-20 | 1962-11-20 | Maryland Shipbuilding And Dryd | Carrier constructions for bulk fluids |
US3145680A (en) * | 1961-02-24 | 1964-08-25 | Hydrocarbon Research Inc | Transport of liquefied gases |
US3159004A (en) * | 1961-08-22 | 1964-12-01 | Hydrocarbon Research Inc | Transportation of liquefied natural gas |
US3113544A (en) * | 1962-07-12 | 1963-12-10 | Texaco Inc | Underdeck tunnel for tankers |
US3315628A (en) * | 1964-12-28 | 1967-04-25 | Exxon Research Engineering Co | Cryogenic tanker contruction |
DE1295402B (en) * | 1964-12-28 | 1969-05-14 | Exxon Research Engineering Co | Device for closing the gap between a tanker deck opening and a protruding dome |
US3457622A (en) * | 1964-12-28 | 1969-07-29 | Exxon Research Engineering Co | Method of installing a sealing means in a cryogenic tanker construction |
US4083318A (en) * | 1976-02-03 | 1978-04-11 | Naval Project Development Sarl | LNG tanker |
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US6354321B1 (en) | 1998-08-20 | 2002-03-12 | Linde Aktiengesellschaft | Storage container for cryogenic liquids |
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US20070062430A1 (en) * | 2004-01-09 | 2007-03-22 | Conocophillips Company | High volume liquid containment system for ships |
US7311054B2 (en) * | 2004-01-09 | 2007-12-25 | Conocophillips Company | High volume liquid containment system for ships |
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US20130192510A1 (en) * | 2010-10-18 | 2013-08-01 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | Ship for transporting a liquefied natural gas storage container |
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US9174707B2 (en) * | 2010-10-18 | 2015-11-03 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | Ship for transporting a liquefied natural gas storage container |
US9664338B2 (en) * | 2011-06-27 | 2017-05-30 | Ihi Corporation | Method for constructing low-temperature tank and low-temperature tank |
US20140103046A1 (en) * | 2011-06-27 | 2014-04-17 | Moriki HATA | Method for constructing low-temperature tank and low-temperature tank |
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US20150135733A1 (en) * | 2011-12-05 | 2015-05-21 | Blue Wave Co S.A. | Inspectable Containers for the Transport by Sea of Compressed Natural Gas, Fitted with a Manhole for Internal Access |
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US20170183072A1 (en) * | 2014-05-30 | 2017-06-29 | Wartsila Finland Oy | A fuel tank arrangement of a marine vessel and method of operating a tank container of a marine vessel |
US10710693B2 (en) * | 2014-05-30 | 2020-07-14 | Wärtsilä Finland Oy | Fuel tank arrangement of a marine vessel and method of operating a tank container of a marine vessel |
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US11493171B2 (en) * | 2018-11-27 | 2022-11-08 | Airbus Defence and Space GmbH | Device for carrying fuel in an aircraft and spacecraft |
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