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EP0453013B1 - Bateau pétrolier - Google Patents

Bateau pétrolier Download PDF

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Publication number
EP0453013B1
EP0453013B1 EP91200694A EP91200694A EP0453013B1 EP 0453013 B1 EP0453013 B1 EP 0453013B1 EP 91200694 A EP91200694 A EP 91200694A EP 91200694 A EP91200694 A EP 91200694A EP 0453013 B1 EP0453013 B1 EP 0453013B1
Authority
EP
European Patent Office
Prior art keywords
cargo
wall
tanker
double side
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91200694A
Other languages
German (de)
English (en)
Other versions
EP0453013A1 (fr
Inventor
Michael Graham Osborne
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of EP0453013A1 publication Critical patent/EP0453013A1/fr
Application granted granted Critical
Publication of EP0453013B1 publication Critical patent/EP0453013B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B63B25/082—Arrangements for minimizing pollution by accidents
    • 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
    • B63B3/14—Hull parts
    • B63B3/16—Shells
    • B63B3/20—Shells of double type
    • 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
    • B63B3/14—Hull parts
    • B63B3/56—Bulkheads; Bulkhead reinforcements
    • 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
    • B63B3/14—Hull parts
    • B63B3/62—Double bottoms; Tank tops
    • B63B3/64—Keelsons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/004—Contents retaining means
    • B65D90/0066—Partition walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/028—Wall construction hollow-walled, e.g. double-walled with spacers

Definitions

  • the present invention relates to a tanker for carrying a bulk cargo, such as an oil.
  • double bottom constructions have the drawback that in case the bottom of a cargo tank is penetrated due to corrosion and/or erosion, oil may leak into the double bottom and generate a hazardous mixture of air and hydrocarbonaceous vapours, in case for instance oil is the cargo. Apart from the potential danger for explosion, there would be the requirement for gas detection and thorough ventilation of the double bottom before entry for routine structural inspections. Moreover, access to a double bottom also causes a problem.
  • It is an object of the present invention is to provide a tanker of such a construction that environmental pollution is avoided or minimized in case of wreck or other marine catastrophe with a minimum increase of cost.
  • the present invention therefore provides a tanker for carrying a bulk cargo, which comprises at least a longitudinally extending centre cargo tank having a top wall, a bottom wall and double side walls, said double side walls each comprising an inner wall and an outer wall and defining closed inner spaces forming cargo or ballast tanks, located on either side of the centre cargo tank, wherein the said double side walls of the centre cargo tank(s) each extend below the bottom wall of the cargo tank(s) for a distance which is at least equal to B/50 wherein B represents the beam of the tanker, and wherein the cargo tank(s) is (are) of such a dimension that the H1/H2 ratio is at most 1 when the tank is filled with cargo, wherein H1 represents the hydrostatic head on the bottom wall of the cargo tank due to the cargo in the tank and H2 represents the hydrostatic head on the bottom wall of the cargo tank due to the outside water, and wherein the distance between the inner and outer wall of each double side wall is at most B/5, wherein B represents the beam of the tanker.
  • the double side walls of the centre cargo tank(s) extend below the bottom wall of the cargo tank(s) for a distance which is at least equal to B/15, wherein B has the meaning as indicated hereinabove.
  • the tanker comprises transitions, preferably curved transitions, between the bottom wall of the cargo tank and the inner walls of the double side walls extending below the bottom wall of the cargo tank.
  • the hull comprises two or more double side walls whereby each inner space is closed at the front end and at the rear end.
  • the inner walls of the double side walls are the side walls of the cargo tank.
  • each double side wall may be arranged either parallel or at an angle to each other.
  • each double side wall is arranged parallel with respect to each other.
  • the double side walls of the tanker in accordance with the present invention may be arranged vertically or at an angle to the vertical, preferably they are arranged substantially vertical.
  • the inner spaces defined by the double side walls may be empty, and after discharging the cargo from the tank(s) the inner spaces may be filled with water to function as balast tanks.
  • the double side walls are located along the complete cargo tank.
  • the inner spaces defined by the double side walls may be used either for the carriage of cargo or for the carriage of water ballast or may be left void.
  • the inner spaces and cargo tank(s) may be subdivided to any required extent, both transversely and longitudinally.
  • US-A-3,832,966 and US-A-3,699,912 disclose various tanker hull designs for confining a bulk cargo within the hull of a ship in case of rupture as by a collision or grounding.
  • GB-A-2,000,474 discloses a liquid cargo tank construction for tanker vessels wherein leakage in the event of hull rupture of a tank vessel is reduced and wherein the condition of ratio: hydrostatic heads of water and cargo is taken into account.
  • fig. 1 represents schematically a cross-section of a tanker in accordance with the present invention.
  • the tanker as shown in Fig. 1 having a beam B comprises a centre cargo tank 1 extending longitudinally for any convenient distance and having a top wall 2 and a bottom wall 3, and double side walls each comprising an inner wall 4 and an outer wall 5 and defining an inner space 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (4)

  1. Pétrolier pour le transport d'une cargaison de vrac, comportant au moins une citerne centrale à cargaison qui s'étend longitudinalement et comprend une paroi supérieure, une paroi de fond et des parois latérales doubles, lesdites parois latérales doubles comprenant chacune une paroi intérieure et une paroi extérieure et définissant des espaces intérieurs clos formant citernes à cargaison ou à ballast, situés d'un côté et de l'autre de la citerne centrale à cargaison, pétrolier dans lequel lesdites parois latérales doubles de la citerne centrale à cargaison, ou des citernes centrales à cargaison, s étendent chacune en dessous de la paroi de fond de la citerne à cargaison, ou des citernes à cargaison, sur une distance qui est au moins égale à B/50, B représentant la largeur du pétrolier, et dans lequel la citerne à cargaison, ou les citernes a cargaison, est, ou sont, d'une dimension telle que le rapport H₁/H₂ vaut au plus 1 lorsque la citerne est chargée de la cargaison, H₁ représentant la pression hydrostatique sur la paroi de fond de la citerne à cargaison due à la cargaison dans la citerne et H₂ représentant la pression hydrostatique sur la paroi de fond de la citerne à cargaison due à l'eau extérieure, et dans lequel la distance entre la paroi intérieure et la paroi extérieure de chaque paroi latérale double est au plus B/5, B représentant la largeur du pétrolier.
  2. Pétrolier selon la revendication 1, dans lequel les parois latérales doubles de la citerne centrale à cargaison, ou des citernes centrales à cargaison, s'étendent en dessous de la paroi de fond de la citerne à cargaison, ou des citernes a cargaison, sur une distance qui est au moins égale à B/15, B représentant la largeur du pétrolier.
  3. Pétrolier selon la revendication 1 ou 2, dans lequel la paroi intérieure et la paroi extérieure de chaque paroi latérale double sont disposées parallèlement l'une à l'autre.
  4. Pétrolier selon l'une quelconque des revendications 1-3, dans lequel les parois latérales doubles sont disposées sensiblement verticalement.
EP91200694A 1990-04-04 1991-03-26 Bateau pétrolier Expired - Lifetime EP0453013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909007564A GB9007564D0 (en) 1990-04-04 1990-04-04 Tanker
GB9007564 1990-04-04

Publications (2)

Publication Number Publication Date
EP0453013A1 EP0453013A1 (fr) 1991-10-23
EP0453013B1 true EP0453013B1 (fr) 1994-09-07

Family

ID=10673839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91200694A Expired - Lifetime EP0453013B1 (fr) 1990-04-04 1991-03-26 Bateau pétrolier

Country Status (7)

Country Link
EP (1) EP0453013B1 (fr)
JP (1) JPH04224496A (fr)
KR (1) KR910018264A (fr)
DE (1) DE69103802T2 (fr)
ES (1) ES2062663T3 (fr)
GB (1) GB9007564D0 (fr)
NO (1) NO911284L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5320056A (en) * 1992-05-04 1994-06-14 Marinzoli Carmelo L Recessed bottom tanker
GB2275025B (en) * 1993-02-10 1996-07-03 Shatawy Ahmed Ahmed El Oil pollution preventer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2260007A (en) * 1939-07-14 1941-10-21 Harris Hammond Marine vessel
US2348783A (en) * 1942-08-03 1944-05-16 Brunt John Marine vessel
FI781965A7 (fi) * 1977-06-23 1978-12-24 Charles S Conway Foerbaettrad vaetskebehaollarkonstruktion
NL7811103A (nl) * 1977-11-14 1979-05-16 Giessen De Noord Nv Vaartuig.
JPS5874359U (ja) * 1981-11-13 1983-05-19 株式会社日立製作所 半導体レ−ザアレイ装置
JPS6315077U (fr) * 1986-07-15 1988-02-01
JPS63119278A (ja) * 1986-11-07 1988-05-23 Hitachi Ltd 光路変換装置

Also Published As

Publication number Publication date
DE69103802T2 (de) 1995-03-23
KR910018264A (ko) 1991-11-30
EP0453013A1 (fr) 1991-10-23
ES2062663T3 (es) 1994-12-16
JPH04224496A (ja) 1992-08-13
DE69103802D1 (de) 1994-10-13
NO911284D0 (no) 1991-04-02
GB9007564D0 (en) 1990-05-30
NO911284L (no) 1991-10-07

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