EP0445893A1 - Flüssigkeitstransportschiff - Google Patents

Flüssigkeitstransportschiff Download PDF

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Publication number
EP0445893A1
EP0445893A1 EP91200490A EP91200490A EP0445893A1 EP 0445893 A1 EP0445893 A1 EP 0445893A1 EP 91200490 A EP91200490 A EP 91200490A EP 91200490 A EP91200490 A EP 91200490A EP 0445893 A1 EP0445893 A1 EP 0445893A1
Authority
EP
European Patent Office
Prior art keywords
layer
vessel
cargo
wall
liquid
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.)
Granted
Application number
EP91200490A
Other languages
English (en)
French (fr)
Other versions
EP0445893B1 (de
Inventor
Hendrik Pieter Roeland Prins
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0445893A1 publication Critical patent/EP0445893A1/de
Application granted granted Critical
Publication of EP0445893B1 publication Critical patent/EP0445893B1/de
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 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
    • 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
    • B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/0081—Vibration isolation or damping elements or arrangements, e.g. elastic support of deck-houses
    • 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 
    • 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
    • B63B3/68—Panellings; Linings, e.g. for insulating purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00—Material used for some parts or elements, or for particular purposes
    • B63B2231/40—Synthetic materials
    • B63B2231/50—Foamed synthetic materials

Definitions

  • the invention relates to a vessel comprising at least one cargo hold provided with a rigid outer wall, a flexible, liquid-tight container so being present within said outer wall for conveying a liquid cargo therein.
  • Such a vessel is known from Dutch Patent Specification No. NL 72.05209, wherein a bag which, when filled with liquid, will fill the cargo hold forms the flexible, liquid-tight container.
  • This known vessel has been designed in order to miminize the risk of leaking cargo holds, e.g. caused by a collision, whereby the liquid cargo, such as oil, may escape.
  • Such a flexible bag is much better able to resist deformations, without actually tearing, than the rigid steel contruction.
  • the use of such bags renders the partial or complete cleaning of the interior of the cargo holds redundant.
  • the bags may be adapted for relatively easy replacement, and the same bags may be used repeatedly for the same type of liquid, e.g. oil.
  • cargo holds in which two or more bags are provided it will be possible to carry several types of oil or other liquids, whereby each time the same bag is used for the same type of liquid, so that cleaning becomes substantially redundant.
  • a drawback of the known vessel is that in the event that the vessel is seriously damaged it is not excluded that after the rigid outer wall of the cargo hold has been breached, as a result of a calamity, also the bags in which the cargo is stored will tear. It stands to reason that a free outflow of the cargo, e.g. oil or chemicals, may cause enormous damage to the environment.
  • the object of the present invention is to provide a vessel for conveying a liquid cargo, whereby the risk of leaking cargo holds, e.g. as a consequence of a collision, is excluded or at least minimized.
  • a vessel of the kind mentioned in the preamble is characterized in that the rigid outer wall is at least partially provided at its inner side with a layer which is substantially made of a material having a pressure distributing property.
  • the strength properties of this material are such that in the event of e.g. a collision the forces exerted on the rigid outer wall are distributed by said layer, so that the occurrence of high local stresses, which might constitute a risk for the flexible, liquid-tight container, is prevented.
  • the strength properties of the material are furthermore such that in the event that the sheet steel bends inwards the layer will remain sufficiently intact, so that any contact between sharp steel edges of the damaged rigid outer wall and the flexible liquid-tight container is avoided.
  • Said container is for example made of a polymer, e.g. polyethylene, which is sufficiently flexible and which is able to resist the corrosiveness of e.g. crude oil for the life span of a vessel.
  • a polymer e.g. polyethylene
  • rigid outer wall - besides the ship's skin - is also meant to comprise upright inner side walls of the cargo hold.
  • One embodiment of a vessel according to the invention is characterized in that the material of which the layer is substantially made has a high energy dissipating power.
  • the material of which the layer is substantially made has a high energy dissipating power.
  • a vessel according to the invention is characterized in that the layer is substantially made up by a foam layer.
  • Said foam layer is preferably a synthetic foam layer of preferably polyurethane resin or polyethylene, or a natural material with the same pressure distributing property.
  • a vessel according to the invention is characterized in that the layer is a first layer, which is at least partially provided at its inner side with a reinforced second layer, whereby an elastic/plastic third layer is provided on at least part of the inner side of said second layer. Because of this it is prevented that, even in the event of extreme calamities, the ship's cargo can leak out.
  • Another embodiment of a vessel according to the invention is characterized in that the wall of the flexible, liquid-tight container bears against the layer substantially made of a material having a pressure distributing property or against the elastic/plastic layer, as the case may be, so as to form a lining.
  • a cargo hold 1 of a vessel according to the invention can be distinguished, said cargo hold 1 being subdivided into several compartments 3 by means of inner side walls 2.
  • Said cargo hold 1 contains a rigid outer wall, a ship's skin 4 in this case, at the inner side of which a foam layer 5 is provided, which is made of a material having a high (enough) compressive strength and as high an energy dissipating power as possible.
  • a flexible, liquid-tight container bears against the foam layer 5 so as to form an (inner) lining 6.
  • the foam layer 5 and the inner lining 6 preferably have the following properties.
  • the thickness of the foam layer 5 and the inner lining 6 varies, dependent on e.g. the type and the size of the vessel, and ranges from 0.5 - 3 m for the foam layer and from 1 - 5 cm for the inner lining.
  • the foam layer 5 has a fourfold function:
  • the foam layer 5 is less elastic than the inner lining 6, said foam layer 5 might become breached in case of very extreme calamities, as a result of which the flexible inner lining 6 might run the risk of tearing as yet, resulting in the cargo leaking out.
  • a special feature of a vessel according to the invention is that at its inner side the foam layer 5 is provided with a reinforced layer 7 of synthetic fibres (or any other material resistant to shock), on the inner side of which an elastic/plastic layer 8 is provided. In that case the flexible inner lining 6 bears against said elastic/plastic layer 8 (figure 3). Said layers may also be combined to form one composite layer, of course.
  • the advantage of vessel according to the invention in comparison with the vessel described in Dutch Patent Specification No. NL 72.05209 is not only that the risk of leaking cargo holds is excluded/minimized, but also that the cargo is insulated by the foam layer 5, so that an energy saving is realized.
  • the use of polyurethane resin to form the foam layer moreover has the advantage that there is less internal corrosion in the cargo hold 1 , and that - because of its low specific weight - there is hardly an increase in the weight of the vessel.
  • a final advantage of the vessel according to the invention is that there is substantially no loss of cargo capacity, which is to a substantial degree the case with a vessel according to the above-mentioned Dutch Patent Specification.
  • this known vessel a relatively large spacing between the ship's skin and the inner tank is required, due to the necessity of offsetting the power transmitting effects of the connections between the ship's skin and the inner tank occurring in the event of a collision.
  • the space between the ship's skin and the inner tank with this known vessel may furthermore form an explosion space, in case explosive gases are released into this space as a result of e.g. a fire which has broken out on said vessel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Laminated Bodies (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Bag Frames (AREA)
  • Buffer Packaging (AREA)
EP91200490A 1990-03-09 1991-03-07 Flüssigkeitstransportschiff Expired - Lifetime EP0445893B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9000543A NL9000543A (nl) 1990-03-09 1990-03-09 Vaartuig voor het vervoeren van een vloeibare lading.
NL9000543 1990-03-09

Publications (2)

Publication Number Publication Date
EP0445893A1 true EP0445893A1 (de) 1991-09-11
EP0445893B1 EP0445893B1 (de) 1995-05-10

Family

ID=19856718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91200490A Expired - Lifetime EP0445893B1 (de) 1990-03-09 1991-03-07 Flüssigkeitstransportschiff

Country Status (6)

Country Link
EP (1) EP0445893B1 (de)
JP (1) JPH04218481A (de)
KR (1) KR910016567A (de)
CA (1) CA2037833A1 (de)
DE (1) DE69109524D1 (de)
NL (1) NL9000543A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113492950A (zh) * 2020-04-01 2021-10-12 江南造船(集团)有限责任公司 一种设有纵向制荡舱壁的独立液舱结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160131587A (ko) 2015-05-08 2016-11-16 삼성중공업 주식회사 액상 화물 화물창 설치 방법
KR101750786B1 (ko) 2015-05-08 2017-06-26 삼성중공업 주식회사 액상 화물 화물창 코너 구조체

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272373A (en) * 1962-10-10 1966-09-13 Alleaume Jean Henri Flexible and elastic tanks for transporting liquids in bulk
US4135465A (en) * 1977-01-11 1979-01-23 Dudley Fred T Tank for fuel tanker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272373A (en) * 1962-10-10 1966-09-13 Alleaume Jean Henri Flexible and elastic tanks for transporting liquids in bulk
US4135465A (en) * 1977-01-11 1979-01-23 Dudley Fred T Tank for fuel tanker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113492950A (zh) * 2020-04-01 2021-10-12 江南造船(集团)有限责任公司 一种设有纵向制荡舱壁的独立液舱结构

Also Published As

Publication number Publication date
DE69109524D1 (de) 1995-06-14
CA2037833A1 (en) 1991-09-10
JPH04218481A (ja) 1992-08-10
EP0445893B1 (de) 1995-05-10
KR910016567A (ko) 1991-11-05
NL9000543A (nl) 1991-10-01

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