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WO2020075631A1 - Procédé d'utilisation de navires existants - Google Patents

Procédé d'utilisation de navires existants Download PDF

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Publication number
WO2020075631A1
WO2020075631A1 PCT/JP2019/039236 JP2019039236W WO2020075631A1 WO 2020075631 A1 WO2020075631 A1 WO 2020075631A1 JP 2019039236 W JP2019039236 W JP 2019039236W WO 2020075631 A1 WO2020075631 A1 WO 2020075631A1
Authority
WO
WIPO (PCT)
Prior art keywords
hull
bow
ship
stern
existing ship
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.)
Ceased
Application number
PCT/JP2019/039236
Other languages
English (en)
Japanese (ja)
Inventor
泰史 塚本
健司 津村
田村　浩
伸 上田
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.)
Mitsubishi Shipbuilding Co Ltd
Original Assignee
Mitsubishi Shipbuilding Co Ltd
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 Mitsubishi Shipbuilding Co Ltd filed Critical Mitsubishi Shipbuilding Co Ltd
Priority to CN201980066425.3A priority Critical patent/CN112805216A/zh
Priority to KR1020217010383A priority patent/KR20210058878A/ko
Priority to KR1020237033392A priority patent/KR102782411B1/ko
Priority to SG11202103582RA priority patent/SG11202103582RA/en
Priority to CN202410533254.3A priority patent/CN118323385A/zh
Publication of WO2020075631A1 publication Critical patent/WO2020075631A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B83/00—Rebuilding or retrofitting vessels, e.g. retrofitting ballast water treatment systems

Definitions

  • the present invention relates to a method of utilizing an existing ship.
  • the present application claims priority to Japanese Patent Application No. 2018-1920156 filed in Japan on October 10, 2018, the contents of which are incorporated herein by reference.
  • a ship that carries Liquefied Natural Gas (LNG), etc., has a hull and multiple tanks. These plurality of tanks are arranged side by side in the fore-and-aft direction of the hull, and each holds a load such as LNG.
  • LNG Liquefied Natural Gas
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for utilizing an existing ship that can effectively utilize the existing ship and can manufacture a ship of an appropriate scale at low cost.
  • a method of using an existing ship is: from an existing ship having a hull in which a plurality of tanks are arranged in a bow-stern direction, a part of the plurality of tanks and the hull A step of cutting out an intermediate hull part including a part of the hull in the bow-stern direction in which the part of the tank is provided as a tank unit, and in the existing ship, from the intermediate hull part cut out as the tank unit Also forming a bow-side hull portion on the bow side of the stern-side hull portion including the engine room, which is arranged on the stern side, and manufacturing a new ship.
  • the bow side hull part is formed on the bow side of the stern side hull part including the engine room. It is possible to manufacture various ships. Since the new ship includes the engine room of the existing ship, there is no need to manufacture a particularly expensive engine room, which is particularly effective for cost reduction. Further, the cut-out intermediate hull portion can be used as a tank unit of a floating storage facility. In this way, by effectively utilizing the existing ship and manufacturing the new ship and the tank unit, the manufacturing cost of the ship and the tank unit can be suppressed.
  • the bow side hull section according to the first aspect uses the bow side hull section of the existing ship that is arranged on the bow side of the intermediate hull section of the existing ship. May be. With such a configuration, not only the stern-side hull portion but also the bow-side hull portion can be formed by effectively utilizing the existing ship. Therefore, the manufacturing cost of the ship can be further reduced.
  • the bow in the step of manufacturing the new ship according to the first or second aspect, is provided between the rear end of the bow side hull and the front end of the stern side hull.
  • the bow side hull and the stern side hull can be connected via the connecting hull.
  • the bow hull part for connection should be satisfactorily connected to the bow hull part and the stern side hull part.
  • various devices can be installed in the additional connection hull.
  • the method of using the existing ship according to any one of the first to third aspects may further include a step of installing the tank unit as a floating storage facility. .
  • the existing ship can be effectively used.
  • the floating-type storage facility thus formed has a length in the fore-and-aft direction that is smaller than that of an existing ship, and therefore can be installed even when the space for mooring is limited. Therefore, the degree of freedom of the installation location of the floating storage facility is increased.
  • the number of tanks provided in the tank unit may be determined as necessary, it is possible to provide a floating-type storage facility having a loading capacity according to the application.
  • the method of using the existing ship according to the fourth aspect prior to the step of installing the tank unit as the floating storage facility, a step of attaching a float to the tank unit,
  • the method may further include a step of attaching an outfitting component as a floating storage facility to at least one of the tank unit and the float.
  • the mooring space when the mooring space is limited or the mooring space is shallow, the mooring space can be installed, and the degree of freedom of the installation place of the floating storage facility is increased. Moreover, since the number of tanks included in the tank unit may be determined as necessary, it is possible to provide a floating-type storage facility having a loading amount according to the application.
  • FIG. 9 is a side view showing a state in which a bow side hull portion and a stern side hull portion of an existing ship are joined in the method of using the existing ship.
  • FIG. 9 is a plan view showing a state in which a bow side hull portion and a stern side hull portion of an existing ship are joined in the above-described method of using the existing ship.
  • FIG. 1 is a side view showing a schematic configuration of an existing ship used in the method of using the existing ship of this embodiment.
  • the existing ship 1 includes a hull 2 and a plurality of tanks 3. It has a pair of port sides 2s provided on both sides in the ship width direction and a ship bottom 2b.
  • the hull 2 includes an upper deck 2t that is provided above the ship bottom 2b with a space therebetween.
  • the hull 2 has an upper structure 2h that forms a living room or the like on the stern 2r side in the bow-stern direction Da.
  • the hull 2 includes a cargo loading section (hold) 2k on the bow 2a side in the bow-stern direction Da with respect to the upper structure 2h.
  • an engine room 2m including a main engine for propelling the existing ship 1 is provided on the stern 2r side in the bow-stern direction Da.
  • the upper deck 2t is a fully exposed deck that is exposed to the outside, and is provided so as to cover the cargo loading section 2k above.
  • the plurality of tanks 3 are independent tanks, and the liquefied gas such as LNG, which is a load, is housed inside the tanks 3.
  • the tank 3 is formed of, for example, an aluminum alloy in order to ensure toughness in a low temperature atmosphere and corrosion resistance.
  • a plurality of tanks 3 are arranged in the cargo loading section 2k in the hull 2 in the bow-aft direction Da.
  • the existing ship 1 in this embodiment exemplifies a case in which five tanks 3 which are moss-type independent spherical tanks are provided.
  • the upper portions 3a of the tanks 3 are arranged above the upper deck 2t.
  • FIG. 2 is a flowchart of a method of using the existing ship.
  • FIG. 3 is a side view showing a state in which the intermediate hull portion of the existing ship is cut out in the method of using the existing ship.
  • a method of using an existing ship using the existing ship 1 is a tank unit cutting step S1, a hull joining step (a step of manufacturing a new ship) S2, a float attaching step S3, and outfitting equipment. It includes an attaching step S4 and an installing step S5.
  • the intermediate hull parts 5C and 5D which are the middle parts in the bow-stern direction Da, are cut out from the existing ship 1.
  • the intermediate hull portions 5C and 5D are, respectively, a part of the plurality of tanks 3 and a part of the hull 2 of the existing ship 1 which is provided with the part of the tanks 3 described above. This is a portion including a part of the hull 2 in the direction Da.
  • the hull 2 of the existing ship 1 is cut at positions P1, P2, P3 spaced apart in the bow-aft direction Da, respectively. These positions P1, P2, P3 are set between the tanks 3 that are adjacent to each other in the bow-stern direction Da. In this way, by cutting the hull 2 at the positions P1, P2, and P3, respectively, the existing ship 1 has the two intermediate hull parts 5C and 5D, which are arranged in the middle part in the bow-stern direction Da, and the intermediate hull.
  • a bow-side hull portion 5A arranged on the bow 2a side of the portions 5C and 5D and a stern-side hull portion 5B arranged on the stern 2r side of the intermediate hull portions 5C and 5D.
  • the stern side hull portion 5B includes an engine room 2m and an upper structure 2h.
  • the intermediate hull portion 5C in this embodiment includes the hull 2C between the position P1 and the position P2 which is a part of the intermediate portion in the bow-stern direction Da, and the second tank 3B from the bow 2a side.
  • the intermediate hull portion 5D includes a hull 2D between a position P2 and a position P3 which is a part of an intermediate portion in the bow-stern direction Da, and a third tank 3C from the bow 2a side.
  • the intermediate hull portions 5C and 5D include the tanks 3B and 3C that are arranged in the middle portion in the bow-stern direction Da among the plurality of tanks 3. In this way, the intermediate hull parts 5C and 5D are cut out from the existing ship 1 as the two tank units 31A and 31B.
  • FIG. 4 is a side view showing a state in which the bow side hull portion and the stern side hull portion of the existing ship are joined in the above-described method of using the existing ship.
  • FIG. 5 is a plan view showing a state in which the bow side hull portion and the stern side hull portion of the existing ship are joined in the above-described method of using the existing ship.
  • the rear end 5r of the bow side hull portion 5A and the front end 5f of the stern side hull portion 5B are joined.
  • the rear end 5r of the bow side hull portion 5A and the front end 5f of the stern side hull portion 5B are joined mainly by welding.
  • connection plate 8 may be provided between the front end 5f and the front end 5f so as to extend in the plane direction intersecting the bow-stern direction Da.
  • a part or all of the manifold 23 provided in the existing ship 1 is arranged in the intermediate hull parts 5C and 5D, a part or all of the manifold 23 is provided in the bow side hull part 5A. May be.
  • the cargo device 24 such as the compressor is provided in the stern side hull portion 5B of the existing ship 1, and therefore may be provided at the position as it is.
  • the ship 10A After joining the rear end 5r of the bow side hull portion 5A and the front end 5f of the stern side hull portion 5B, various pipes and wires are connected between the bow side hull portion 5A and the stern side hull portion 5B. By doing this, a new ship 10A is manufactured.
  • the ship 10A has a hull 2X which is shorter than the existing ship 1 (see FIG. 1) in the bow-stern direction Da. Further, the ship 10A has a smaller number of tanks 3 than the existing ship 1.
  • FIG. 6 is a perspective view showing a floating-type storage facility manufactured by the method of utilizing the existing ship.
  • FIG. 7 is a side view showing a floating body type storage facility manufactured by the above-described method of utilizing an existing ship.
  • the first float portion (closure body) 33A and the second float portion (closure body) are provided on both sides in the bow-aft direction Da.
  • 33B is attached by welding.
  • Each of the first float portion 33A and the second float portion 33B has a pair of port sides 33s provided on both sides in the ship width direction and a ship bottom 33b.
  • the first float portion 33A and the second float portion 33B further include an upper deck 33t provided above the ship bottom 33b with a space. Further, the first float portion 33A and the second float portion 33B integrally have a tank unit connecting portion 33c and an end plate 33d.
  • the tank unit connection portion 33c of the first float portion 33A is formed on the side facing the tank units 31A and 31B of the first float portion 33A in the bow-aft direction Da.
  • the tank unit connecting portion 33c of the second float portion 33B is formed on the side facing the tank units 31A and 31B of the second float portion 33B in the bow-aft direction Da.
  • the cross-sectional contour of the tank unit connecting portion 33c viewed from the bow-stern direction Da in other words, the hull cross-sectional shape orthogonal to the bow-stern direction Da of the tank unit connecting portion 33c.
  • the end plate 33d is formed on each of the first float portion 33A and the second float portion 33B on the side separated from the tank units 31A, 31B in the bow-stern direction Da (in other words, on the opposite side of the tank unit connection portion 33c). Has been done.
  • the end plate 33d is provided so as to close a portion (opening) surrounded by the pair of port sides 33s, the ship bottom 33b, and the upper deck 33t in the first float portion 33A and the second float portion 33B.
  • a hollow structure is provided with a cavity 34, respectively.
  • the buoyancy of the first float portion 33A and the second float portion 33B is imparted by these voids 34.
  • the void 34 can be used as a ballast tank.
  • the vacant space 34 can also be used as an engine room, a living space, other tanks, or the like. In this way, the first float portion 33A and the second float portion 33B are attached to each of the tank units 31A and 31B.
  • the first float portion 33A and the second float portion 33B as described above are, in the intermediate hull portions 5C and 5D forming the tank units 31A and 31B, portions where the pair of port sides 2s and the bottom 2b open in the bow-stern direction Da. It is blocking.
  • the equipment 40 required as the floating storage equipment 30A, 30B is mounted on the tank units 31A, 31B, the first float portion 33A, and the second float portion 33B.
  • the outfit 40 in this embodiment is provided on each of the first float portion 33A and the second float portion 33B.
  • the equipment 40 include a mooring device 35, a manifold 38 for unloading LNG in the tanks 3B and 3C, a generator (not shown), and the like.
  • a regasification device 39 that heats and regasifies LNG stored in the tanks 3B and 3C is provided as the outfit 40.
  • These outfittings 40 are provided on at least one of the tank units 31A and 31B, the first float portion 33A, and the second float portion 33B.
  • the two floating body storage facilities 30A and 30B are installed. It is configured. Further, such floating body storage facilities 30A and 30B respectively include the tank units 31A and 31B, and the first float portion 33A and the second float portion 33B provided on both sides of the tank units 31A and 31B in the bow-stern direction Da. And the outfitting equipment 40 as the floating storage facilities 30A and 30B.
  • the two floating storage facilities 30A and 30B manufactured in this manner are laid at a predetermined position such as a harbor and installed.
  • the bow side hull part 5A including the engine room 2m is cut out.
  • a new ship 10A can be manufactured by providing the stern side hull portion 5B.
  • the cut-out intermediate hull portions 5C and 5D can be used as tank units 31A and 31B of the floating body storage facilities 30A and 30B. In this way, by effectively utilizing the existing ship 1, the new ship 10A and the floating storage equipment 30A, 30B are manufactured, thereby suppressing the manufacturing costs of the ship 10A and the floating storage equipment 30A, 30B.
  • the new ship 10A includes the engine room 2m of the existing ship 1, there is no need to newly manufacture the engine room 2m, which is particularly costly, and it is particularly effective for cost reduction. Further, the newly manufactured ship 10A can be manufactured with a shorter length in the bow-stern direction Da and a smaller number of tanks 3 than the existing ship 1. Such a ship 10A has a small load capacity of the load accommodated in the tank 3 and can be turned quickly. Therefore, it is advantageous when the large existing vessel 1 is inefficient or is a port or route that is difficult to navigate. Further, since the total weight of the ship 10A is smaller than that of the existing ship 1, the fuel consumption rate of the propulsion engine for navigation is also improved. In this way, it becomes possible to effectively use the existing ship 1 including the plurality of tanks 3.
  • the bow side hull portion 5A the one that is arranged closer to the bow 2a side than the intermediate hull portions 5C and 5D in the existing ship 1 is used. With such a configuration, not only the stern-side hull portion 5B but also the bow-side hull portion 5A can be formed by effectively utilizing the existing ship 1. Therefore, the manufacturing cost of the ship 10A can be further reduced.
  • the existing ship 1 can be effectively used.
  • the floating storage facilities 30A and 30B formed in this manner have a smaller length in the bow-stern direction Da than the existing ship 1, they can be installed even when the mooring space is limited. Therefore, the degree of freedom of the installation location of the floating body storage equipment 30A, 30B is increased.
  • the number of tanks 3 provided in the tank units 31A and 31B may be determined as necessary, it is possible to provide the floating body type storage equipment 30A and 30B having a loading amount according to the application. Further, a plurality of floating body type storage facilities 30A and 30B can be manufactured from one existing vessel 1, which is also excellent in cost.
  • the existing vessel 1 can be effectively used and required.
  • Floating body type storage facilities 30A and 30B having a function can be manufactured.
  • the draft can be made shallow by providing the first float portion 33A and the second float portion 33B.
  • the installation can be performed, and the degree of freedom of the installation location of the floating storage facilities 30A and 30B is increased.
  • the number of the tanks 3 included in the tank units 31A and 31B may be determined as necessary, it is possible to provide the floating-type storage facilities 30A and 30B having a loading amount according to the application.
  • FIG. 8 is a flowchart of the method of using the existing ship according to the second embodiment of the present invention.
  • FIG. 9 is a side view showing a ship manufactured by the method of using the existing ship.
  • FIG. 10 is a plan view showing a ship manufactured by the method of using the existing ship.
  • a method of using an existing ship using the existing ship 1 according to the second embodiment is a tank unit cutting step S1, a connecting hull inserting step S12, a hull joining step S13, and a float attaching step. It includes S3, a fitting attachment step S4, and an installation step S5.
  • the intermediate hull parts 5C and 5D are cut out from the existing ship 1 as in the first embodiment (see FIG. 3).
  • the connecting hull insertion step S12 As shown in FIGS. 9 and 10, the rear end 5r of the bow-side hull portion 5A, which is arranged on the bow 2a side of the cut intermediate hull portions 5C and 5D, and the intermediate hull
  • the connecting hull portion 20 is inserted between the front end 5f of the stern side hull portion 5B which is arranged on the stern 2r side of the portions 5C and 5D.
  • the connecting hull portion 20 is connected to the bow side hull portion 5A and the stern side hull portion 5B respectively in a hull joining step S13 described below.
  • the connecting hull portion 20 integrally includes a bow-side connecting portion 20a, a stern-side connecting portion 20r, and an intermediate connecting portion 20c.
  • the cross-sectional contour of the bow-side connecting portion 20a viewed from the bow-stern direction Da, in other words, the hull cross-sectional shape of the bow-side connecting portion 20a orthogonal to the bow-stern direction Da is the cutting surface of the rear end 5r of the bow-side hull portion 5A. It has the same shape as the contour.
  • the cross-sectional contour of the stern-side connecting portion 20r viewed from the stern-side direction Da is the cutting of the front end 5f of the stern-side hull portion 5B. It has the same shape as the contour of the surface.
  • the intermediate connecting portion 20c is formed so as to continuously connect the bow-side connecting portion 20a and the stern-side connecting portion 20r. That is, the connecting hull portion 20 is provided so that the outer surface of the hull 2Y is continuous between the bow side hull portion 5A and the stern side hull portion 5B.
  • the connecting hull portion 20 may make the length L in the bow-stern direction Da smaller than the length in the bow-stern direction Da for one tank 3. By doing so, it is possible to prevent the length of the boat 10B in the bow-stern direction Da from increasing.
  • the connecting hull portion 20 has a pair of port sides 20s provided on both sides in the ship width direction and a ship bottom 20b.
  • the connecting hull portion 20 includes an upper deck 20t that is provided above the ship bottom 20b with a gap.
  • connection pipe and the connection wiring 21 include a bow side pipe and a bow side wiring 6 provided in the bow side hull portion 5A, and a stern side pipe and a stern side wiring 7 provided in the stern side hull portion 5B. Connecting.
  • the bow side hull portion 5A and the stern side hull portion 5B are joined via the connecting hull portion 20.
  • the rear end 5r of the bow side hull portion 5A and the bow side connecting portion 20a of the connecting hull portion 20 are joined by welding, and the front end 5f of the stern side hull portion 5B and the connecting hull portion 20 are connected.
  • the stern-side connecting portion 20r is joined by welding.
  • the upper deck 20t of the connecting hull portion 20 and the upper deck 2t of the bow side hull portion 5A and the stern side hull portion 5B are further joined by welding.
  • the bow side piping and the bow side wiring 6 and the stern side piping and the stern side wiring 7 are further connected to the connecting piping and the connecting wiring 21 in the connecting hull portion 20, respectively.
  • the manifold 23 may be provided in the connecting hull section 20.
  • the connecting hull portion 20 may be provided with cargo equipment 24 such as a compressor provided in the existing vessel 1.
  • the boat 10B may be provided with a ballast tank 25 or the like for improving the balance of the boat 10B due to the cutout of the intermediate hulls 5C and 5D in the connecting hull 20.
  • the connecting hull 20 may be provided with various devices such as a regasification device and a ballast treatment device (both not shown), an article storage space, and the like.
  • the boat 10B is manufactured by additionally installing the connecting hull portion 20 between the bow side hull portion 5A and the stern side hull portion 5B.
  • the intermediate hull portions 5C and 5D cut out from the existing ship 1 in the tank unit cutting out step S1 go through the float attaching step S3, the outfitting attaching step S4, and the installing step S5, as in the first embodiment.
  • the floating storage facilities 30A and 30B as shown in FIGS. 6 and 7 are laid up at a predetermined position such as a harbor.
  • the engine room 2m is removed.
  • a new ship 10B can be manufactured by providing the stern side hull portion 5B including the bow side hull portion 5A. Further, the cut out intermediate hull portions 5C and 5D can be used as tank units 31A and 31B to manufacture the floating body storage facilities 30A and 30B. In this way, by effectively utilizing the existing ship 1, the new ship 10B and the floating storage equipment 30A, 30B are manufactured, thereby suppressing the manufacturing costs of the ship 10B and the floating storage equipment 30A, 30B.
  • the new ship 10B includes the engine room 2m of the existing ship 1, there is no need to newly manufacture the engine room 2m which is particularly costly, which is particularly effective for cost reduction.
  • the newly manufactured ship 10B can be manufactured with a shorter length Da in the bow-stern direction than the existing ship 1 and a smaller number of tanks 3 than the existing ship 1. In such a ship 10B, the load capacity of the cargo to be stored in the tank 3 is small, and the small turn can be achieved.
  • the intermediate hull portions 5C and 5D including the two tanks 3 are cut off from the existing ship 1, and the bow side hull part 5A and the stern side hull part 5B are separated.
  • a connecting hull portion 20 is additionally provided between them.
  • the ship 10 ⁇ / b> B including the hull 2 ⁇ / b> Y having a shorter length in the bow-stern direction Da than the existing ship 1 and the tank 3 having the smaller number can be manufactured from the existing ship 1. In this way, it becomes possible to effectively use the existing ship 1 including the plurality of tanks 3.
  • the bow-side hull portion 5A and the front end 5f of the stern-side hull portion 5B greatly differ in cross-sectional shape due to the connecting hull portion 20, the bow-side hull portion 5A and the stern side
  • the hull portion 5B can be satisfactorily connected to the hull portion 20 for connection.
  • various devices and the like can be installed in the additional connection hull 20.
  • the connecting hull portion 20 includes the bow-side connecting portion 20a and the stern-side connecting portion 20r, the bow-side hull portion 5A and the stern-side hull portion 5B can be continuously connected.
  • the connecting hull portion 20 includes connecting pipes and connecting wires 21.
  • the bow side piping and the bow side wiring 6 provided in the bow side hull portion 5A and the stern side piping and the stern side wiring 7 provided in the stern side hull portion 5B It can be connected via the wiring 21.
  • the bow-side hull portion 5A and the stern-side hull portion 5B are part of the same existing ship 1, the bow-side piping and the bow-side wiring 6 and the stern-side piping and the stern-side wiring 7 are in the bow-stern direction. In many cases, they are arranged at the same position on the cross section orthogonal to Da. Therefore, the bow side piping and the bow side wiring 6 and the stern side piping and the stern side wiring 7 can be particularly easily connected via the connecting piping and the connecting wiring 21.
  • the floating storage facilities 30A and 30B are formed by attaching the first float portion 33A and the second float portion 33B to the tank units 31A and 31B cut out from the existing ship 1.
  • FIG. 11 is a perspective view which shows the modification of the floating type storage installation manufactured by the said utilization method of the existing ship.
  • the tank unit 31C intermediate hull portion 5C
  • partition walls 9 (9A, 9B) at both ends in the bow-aft direction Da, respectively.
  • the first float portion 33A and the second float portion 33B may not be attached to the tank unit 31C.
  • the partition wall 9A provided at one end of the bow-stern direction Da is provided on the bow 2a side in the bow-stern direction Da with respect to the tank 3C.
  • the partition wall 9B provided on the other end of the stern direction Da is provided on the stern 2r side in the stern direction Da with respect to the tank 3C.
  • both end portions of the tank unit 31C in the bow-stern direction Da are closed by the partition walls 9 (9A, 9B) at portions where the pair of port sides 2s and the ship bottom 2b open in the bow-stern direction Da.
  • Such a tank unit 31C can be installed as it is as a floating body storage facility 30C.
  • the present invention is not limited to the above-described embodiment, and includes various modifications of the above-described embodiment without departing from the spirit of the present invention. That is, the specific shape, configuration, and the like described in the embodiment are merely examples, and can be appropriately changed.
  • the newly manufactured ships 10A and 10B are configured to join the stern side hull portion 5B and the bow side hull portion 5A obtained from the existing ship 1, but the present invention is not limited to this.
  • a stern side hull portion 5B obtained from the existing ship 1 may be joined to a newly manufactured bow side hull part or a bow side hull part cut out from another existing ship.
  • the newly manufactured ship is at least the engine of the existing ship 1. Includes a 2m room. As a result, there is no need to newly manufacture the engine room 2m, which is particularly costly, and it is particularly effective in reducing the manufacturing cost of the ship.
  • the two tank units 31A and 31B are cut out from the existing ship 1, but the number of tank units cut out from the existing ship 1 is only one, or It may be three or more. Further, the intermediate hull portion having a plurality of tanks may be cut out from the existing ship 1 as one tank unit. As a result, it is possible to manufacture a floating storage facility including a plurality of tanks.
  • the intermediate hull portions 5C and 5D are configured to include the second tank 3B and the third tank 3C from the bow 2a side, but not limited to this.
  • the intermediate hull portions 5C and 5D may include the tank 3 arranged in the middle portion in the bow-stern direction Da among the plurality of tanks 3, and may include the tank 3 on the bow side in the bow-stern direction Da and the tank 3 on the stern side. May be included.
  • the number of tanks 3 of the existing ship 1, the number of tanks 3 to be cut from the existing ship 1, the number of tanks 3 of the ships 10A and 10B, and the shape of the tank 3 may be any.
  • the tank 3 is not limited to one that stores LNG, and may be one that stores another load such as liquefied petroleum gas (LPG).
  • LPG liquefied petroleum gas

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un procédé d'utilisation d'un navire existant (1) qui comprend : une étape dans laquelle certains réservoirs (3), parmi une pluralité de réservoirs (3), et des sections de coque intermédiaires (5C,5D), comprenant une partie de la coque dans la direction proue-poupe (Da) du navire qui comprend certains des réservoirs disposés à l'intérieur, sont découpés en tant qu'unités de réservoir (31A, 31B), à partir d'un navire existant (1) comprenant une coque comprenant la pluralité de réservoirs (3) agencée dans la direction proue-poupe (Da) ; et une étape dans laquelle un nouveau navire est produit en fournissant une section de coque de navire côté proue (5A) dans une section de coque de navire côté poupe (5B) après que les unités de réservoir (31A, 31B) ont été découpées à partir du navire existant (1), ladite section de coque de navire côté poupe comprenant un compartiment moteur (2m) et étant agencée plus loin sur le côté poupe (2r) que les sections de coque intermédiaires (5C, 5D).
PCT/JP2019/039236 2018-10-10 2019-10-04 Procédé d'utilisation de navires existants Ceased WO2020075631A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201980066425.3A CN112805216A (zh) 2018-10-10 2019-10-04 现有船舶的利用方法
KR1020217010383A KR20210058878A (ko) 2018-10-10 2019-10-04 기존 선박의 이용 방법
KR1020237033392A KR102782411B1 (ko) 2018-10-10 2019-10-04 기존 선박의 이용 방법
SG11202103582RA SG11202103582RA (en) 2018-10-10 2019-10-04 Utilization method for existing marine vessels
CN202410533254.3A CN118323385A (zh) 2018-10-10 2019-10-04 现有船舶的利用方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-192056 2018-10-10
JP2018192056A JP7227728B2 (ja) 2018-10-10 2018-10-10 既存船舶の利用方法

Publications (1)

Publication Number Publication Date
WO2020075631A1 true WO2020075631A1 (fr) 2020-04-16

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JP (1) JP7227728B2 (fr)
KR (2) KR20210058878A (fr)
CN (2) CN118323385A (fr)
SG (1) SG11202103582RA (fr)
WO (1) WO2020075631A1 (fr)

Citations (5)

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JPS4831687A (fr) * 1971-08-28 1973-04-25
JPS5737087A (en) * 1980-08-19 1982-03-01 Mitsubishi Heavy Ind Ltd Hull's length reduction remodeling method
US20090217861A1 (en) * 2008-02-20 2009-09-03 Bram Van Cann Construction of fpdso vessel
US20150367915A1 (en) * 2013-01-29 2015-12-24 Keppel Offshore & Marine Technology Centre Pte Ltd Lng carrier construction method
WO2018078688A1 (fr) * 2016-10-24 2018-05-03 千代田化工建設株式会社 Procédé de fabrication d'une installation d'hydrocarbures gazeux liquéfiés de type flottante

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JP5022346B2 (ja) * 2008-11-21 2012-09-12 三菱重工業株式会社 船体摩擦抵抗低減装置
JP2012056429A (ja) * 2010-09-08 2012-03-22 Mitsubishi Heavy Ind Ltd 液化ガス運搬船
JP5778572B2 (ja) * 2011-12-22 2015-09-16 三井造船株式会社 鋼船又は軽合金船
JP6184688B2 (ja) * 2012-12-20 2017-08-23 三井造船株式会社 船形構造物の建造方法
CN203402358U (zh) * 2013-06-19 2014-01-22 李一达 拼接式船体结构
WO2014207863A1 (fr) * 2013-06-27 2014-12-31 三井造船株式会社 Bateau, procédé de chargement de bateau, et procédé de déchargement de bateau
JP5863900B2 (ja) 2014-07-24 2016-02-17 三井造船株式会社 液化ガス輸送船、及び、液化ガス輸送船の設計方法
JP2017036014A (ja) * 2015-08-12 2017-02-16 三井造船株式会社 洋上浮体構造物
CN106379487B (zh) * 2016-09-07 2018-01-12 广东工业大学 一种超长船体浮态制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831687A (fr) * 1971-08-28 1973-04-25
JPS5737087A (en) * 1980-08-19 1982-03-01 Mitsubishi Heavy Ind Ltd Hull's length reduction remodeling method
US20090217861A1 (en) * 2008-02-20 2009-09-03 Bram Van Cann Construction of fpdso vessel
US20150367915A1 (en) * 2013-01-29 2015-12-24 Keppel Offshore & Marine Technology Centre Pte Ltd Lng carrier construction method
WO2018078688A1 (fr) * 2016-10-24 2018-05-03 千代田化工建設株式会社 Procédé de fabrication d'une installation d'hydrocarbures gazeux liquéfiés de type flottante

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KR102782411B1 (ko) 2025-03-14
KR20210058878A (ko) 2021-05-24
CN118323385A (zh) 2024-07-12
JP7227728B2 (ja) 2023-02-22
KR20230145217A (ko) 2023-10-17
CN112805216A (zh) 2021-05-14
JP2020059399A (ja) 2020-04-16
SG11202103582RA (en) 2021-05-28

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