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WO2005077747A1 - Coque de navire de charge - Google Patents

Coque de navire de charge Download PDF

Info

Publication number
WO2005077747A1
WO2005077747A1 PCT/SE2005/000145 SE2005000145W WO2005077747A1 WO 2005077747 A1 WO2005077747 A1 WO 2005077747A1 SE 2005000145 W SE2005000145 W SE 2005000145W WO 2005077747 A1 WO2005077747 A1 WO 2005077747A1
Authority
WO
WIPO (PCT)
Prior art keywords
hull
shaped
tube
cargo
expanded
Prior art date
Application number
PCT/SE2005/000145
Other languages
English (en)
Inventor
Pierre Thiger
Percy Sundquist
Original Assignee
Drottninghamns Jordbruksförvaltning Ab
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 Drottninghamns Jordbruksförvaltning Ab filed Critical Drottninghamns Jordbruksförvaltning Ab
Publication of WO2005077747A1 publication Critical patent/WO2005077747A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • 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
    • B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
    • B63B25/004—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for containers
    • 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
    • B63B25/04—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods solid
    • 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
    • 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
    • B63B25/18—Detachable decks
    • B63B25/20—Detachable decks for motor vehicles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/12—Frameless hulls

Definitions

  • a cargo- ship hull A cargo- ship hull
  • the invention relates to a hull for cargo-ships, particularly for the transport of oil and chemicals, containers, cars or the like.
  • Ship hulls of today for merchant vessels are typically built with single or double hulls from plates on frames, stringers and longitudinals, regardless of the field of use.
  • a typical distance between the outer hull and the inner hull is less than approximately 3 m.
  • a framework is arranged between the hulls.
  • Another object of the present invention is to provide a ship hull with improved buoyancy and which is preferably unsubmersible .
  • Still another object of the present invention is to reduce or eliminate the need for ballast tanks and counter pressure, today resulting in great technical and environmental problems, costs and risks.
  • Still another object of the present invention is to facilitate maintenance and the removal of vegetation on the hull.
  • Still another object of the present invention is to provide a considerable addition of strength as compared with the current configuration . Still another object of the present invention is to drastically reduce the time for loading and unloading.
  • a hull for cargo-ships is composed of mutually connected, parallel and tube- shaped elements, forming cargo compartments, arranged in the longitudinal direction of the hull.
  • the cargo compartment elements are enclosed in, and are connected to, an outer hull to form a generally box-shaped structure having an essentially rectangular cross section, and being at both ends adapted for optional dismountable connection of a stern part and a stem part, respectively.
  • the outer hull is preferably composed of an inner plate and an outer plate with an intermediate cellular plastic material glued to both plates.
  • the tube-shaped cargo compartment elements may be glued together mutually and to the outer hull over a layer of cellular plastic material.
  • the glue used is preferably a glue that forms an elastic or visco-elastic glue line.
  • the box-shaped structure may at both ends, connecting to the stern part and stem part, respectively, be provided with connecting means for loading and unloading of cargo, which may be liquid, containers, cars, etc.
  • the tube-shaped elements may be shaped with a square cross- section, or a hexagonal cross-section, wherein cavities formed next to the outer hull are packed with cellular plastics or tube-shaped tanks.
  • the cellular plastic material may be expanded polypropylene, expanded polythene, expanded PVC, expanded polystyrene, expanded PET, cross linked or non-cross linked materials, and preferably 5 expanded polypropylene.
  • the tube-shaped cargo compartment elements are preferably manufactured from high-strength steel plates .
  • the hull construction according to the invention enables the load capacity to increase many times in relation to ship hulls of today. Basically, any dead spaces normally occurring in a ship are eliminated. 15 Environmentally, great crucial benefits are also obtained. The risk for discharge of oil and other pollutants are eliminated by no longer requiring ballast tanks, since the strength of the inner structure is capable of withstanding the water pressure 20 when the ship runs empty.
  • the time for building a ship hull according to the invention is estimated to approximately 6 months, as compared to the normal time of building being approximately 2 years for a 25 tanker. Using safe bulkheads between the tanks, a very powerful structure is obtained. Further, by selecting a thickness of the cellular plastic adapted to the loading capability, the ship can be made unsubmersible.
  • the outer hull is manufactured from a high strength steel.
  • the outer hull is preferably of a type described in SE-A-0302765-3 mentioned above, i.e. with inner and outer hulls and a cellular plastic material glued between them.
  • the buoyancy of the hull is achieved primarily by means of this cellular plastic layer, and not by the cellular plastic layer between the tube-shaped elements.
  • the hull according to the invention is composed of an outer hull enclosing tube-shaped cargo compartment elements arranged mutually parallel in the longitudinal direction of the hull.
  • the cross section of the formed cargo compartments may have different shapes, but is preferably triangular, square, hexagonal, or octagonal.
  • the cargo compartment elements are glued together mutually and to the outer hull.
  • the outer hull is preferably composed of an inner plate and an outer plate with an intermediate cellular plastic material glued to both plates.
  • the cellular plastic material glued between the cargo compartment elements and between these and the inner plate provides a stiffening result, but acts furthermore as a blocking layer and to a certain extent also as a shock-absorbing zone.
  • tube-shaped cavities are formed during the gluing together, depending on the selected tube cross section and where it is located, i.e. either between adjacent tubes or between a tube and the hull plate.
  • these cavities are packed with tube-shaped tanks or cellular plastics.
  • the tubes forming the cargo compartments are preferably also manufactured from high-strength plates.
  • the company of SSAB, Lulea in Sweden produces and sells a high strength steel, named Domex 500, having the desirable properties for the outer hull.
  • the glue used for gluing the cellular material onto the plate is a glue that gives rise to a dilatation joint in addition to being oil resistant, e.g. a two-component polyurethane glue.
  • a glue that gives rise to a dilatation joint in addition to being oil resistant, e.g. a two-component polyurethane glue.
  • useful glues are epoxy resin and moisture-hardening one-component polyurethane adhesives and different types of prepegs .
  • the cellular material shall chiefly contain closed cells, and may be manufactured from various different types of material, and also mixtures thereof, e.g. expanded polypropylene, expanded polythene, expanded PVC, expanded polystyrene, expanded PET. Depending on current requirements, the materials may be cross linked or non-cross linked.
  • a preferred material is expanded polypropylene .
  • the cellular material should preferably be flame- resistant, and in that case expanded graphite particles may be introduced in the cellular plastic material or in the adhesive, which in the case of a fire will expand and form an incombustible layer. It is also possible to provide graphite as a layer united with the cellular material or the adhesive.
  • the thickness and density of the cellular plastic material may differ.
  • the cellular plastic material therein provides buoyancy and preferably also unsinkable properties to the hull.
  • the layer thickness of the cellular plastic material between the elements forming cargo compartments is thus chiefly selected with respect to structural considerations, and a stiffening of the cargo compartment elements is primarily desired.
  • the density of the cellular plastic material may thus be between approximately 60 and approximately 400 kg/m 3 , normally between 100 and 150 kg/m 3 , and the thickness may be approximately 0,01 - approximately 0,3 m, depending on the current conditions.
  • the thickness of the hull plate is determined when dimensioning the ship in accordance with international classification rules. Using a high strength steel will provide a saving in weight since the thickness can be reduced, at the same time still obtaining excellent characteristics such as extremely high strength at break during deformation at ground impacts, collisions, explosions etc.
  • the hull according to the invention can be designed basically as a box, e.g. having a width of approximately 60 m, a height of approximately 30 m and a length that may amount to approximately 500 m.
  • the cargo compartment elements are made up by tubes with a cross section of a triangular, square, hexagonal, or octagonal shape that can be manufactured as completed lengths by longitudinally welding the above-mentioned plates of high strength steel.
  • the size of the tubes are selected depending on the intended usage, and in order to obtain a wide range of application, the tubes can be designed as square tubes, e.g. 2,50 m in width and 2,80 m in height. Thereby, the ship can carry standard-sized containers as well as liquid cargos .
  • a "cover” can be firmly glued and welded, in order to provide a symmetrical box.
  • the ends of the box should be adapted and formed such that a stern part and a stem part, respectively, can be fitted thereon with loading and unloading devices adapted to the cargo department tubes as well as any equipment necessary for the propulsion and operation of the ship.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Laminated Bodies (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention porte sur une coque de navire de charge destinés au transport d'hydrocarbures, de produits chimiques, de conteneurs, de voitures ou autres. Une telle coque se compose d'éléments tubulaires parallèles interconnectés formant des soutes compartimentées disposées longitudinalement, intégrées à la coque extérieure, et formant une structure quasi parallélipédique de section sensiblement rectangulaire dont les deux extrémités sont conçues pour pouvoir être réversiblement reliée à une proue et à une poupe. La coque extérieure se compose de préférence d'une plaque intérieure, d'une plaque extérieure et d'un matériau plastique cellulaire intermédiaire collé aux deux plaques.
PCT/SE2005/000145 2004-02-11 2005-02-07 Coque de navire de charge WO2005077747A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0400294A SE0400294L (sv) 2004-02-11 2004-02-11 Skrov för lastfartyg bestående av längsgående rörformade lastrum som insluts av ett ytterskrov
SE0400294-5 2004-02-11

Publications (1)

Publication Number Publication Date
WO2005077747A1 true WO2005077747A1 (fr) 2005-08-25

Family

ID=31885291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2005/000145 WO2005077747A1 (fr) 2004-02-11 2005-02-07 Coque de navire de charge

Country Status (2)

Country Link
SE (1) SE0400294L (fr)
WO (1) WO2005077747A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9592885B2 (en) 2015-03-09 2017-03-14 James F. Harvey Tubeships, and systems and methods of constructing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083669A (en) * 1959-10-19 1963-04-02 Phillips Petroleum Co Marine vessels for volatile liquids
US3868920A (en) * 1970-09-23 1975-03-04 Air Logistics Corp Semi-submerged cargo transport system
US4472149A (en) * 1982-04-16 1984-09-18 Ballantine James S Ship
EP0635424A1 (fr) * 1990-06-05 1995-01-25 Metro Machine Corporation Coque de bateau, méthode de construction, et installation de montage
US5613460A (en) * 1994-08-31 1997-03-25 Newport News Shipbuilding And Dry Dock Company Submersible vessel external load mounting system
EP1461952A1 (fr) * 2002-01-02 2004-09-29 Sony Electronics Inc. Cryptage partiel et mise en correspondance d'identificateurs de paquets

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083669A (en) * 1959-10-19 1963-04-02 Phillips Petroleum Co Marine vessels for volatile liquids
US3868920A (en) * 1970-09-23 1975-03-04 Air Logistics Corp Semi-submerged cargo transport system
US4472149A (en) * 1982-04-16 1984-09-18 Ballantine James S Ship
EP0635424A1 (fr) * 1990-06-05 1995-01-25 Metro Machine Corporation Coque de bateau, méthode de construction, et installation de montage
US5613460A (en) * 1994-08-31 1997-03-25 Newport News Shipbuilding And Dry Dock Company Submersible vessel external load mounting system
EP1461952A1 (fr) * 2002-01-02 2004-09-29 Sony Electronics Inc. Cryptage partiel et mise en correspondance d'identificateurs de paquets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9592885B2 (en) 2015-03-09 2017-03-14 James F. Harvey Tubeships, and systems and methods of constructing

Also Published As

Publication number Publication date
SE0400294D0 (sv) 2004-02-11
SE525245C2 (sv) 2005-01-11
SE0400294L (sv) 2005-01-11

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