WO2011028129A1 - Procédé de préparation d'un transporteur de vrac sec - Google Patents

Procédé de préparation d'un transporteur de vrac sec Download PDF

Info

Publication number
WO2011028129A1
WO2011028129A1 PCT/NO2010/000324 NO2010000324W WO2011028129A1 WO 2011028129 A1 WO2011028129 A1 WO 2011028129A1 NO 2010000324 W NO2010000324 W NO 2010000324W WO 2011028129 A1 WO2011028129 A1 WO 2011028129A1
Authority
WO
WIPO (PCT)
Prior art keywords
hold
sand
slurry
dry bulk
accordance
Prior art date
Application number
PCT/NO2010/000324
Other languages
English (en)
Inventor
Tore Hansen-Tangen
Original Assignee
Viking Dredging As
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 Viking Dredging As filed Critical Viking Dredging As
Priority to CN2010800392991A priority Critical patent/CN102596705A/zh
Priority to US13/392,463 priority patent/US20120275883A1/en
Priority to EP10814006.2A priority patent/EP2473399A4/fr
Priority to JP2012527842A priority patent/JP5557917B2/ja
Priority to AU2010290193A priority patent/AU2010290193A1/en
Publication of WO2011028129A1 publication Critical patent/WO2011028129A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
    • 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 
    • B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
    • 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

  • This invention relates to a method of preparing a dry bulk carrier. More particularly, it relates to a method of
  • TSHD Trailing Suction Hopper Dredgers
  • EP-document 0677618 discloses a vessel having bottom hatches.
  • vessels of the type mentioned are not particularly suitable for carrying large quantities of mass over longer distances and not, in particular, when transportation across open sea areas comes into question.
  • the reason for this is related to economy, given that these vessels are relatively expensive to build and operate, and also due to their
  • US patent 3445008 describes a method and device wherein the lower portion of the hold of the vessel is filled with water prior to pumping out water and mass.
  • the object of the invention is to remedy or reduce at least one of the disadvantages of the prior art.
  • the method comprises disposing within a utility hold
  • fluidizing pipes having inflow openings and also a slurry inlet for fluidized sand, wherein the method further include disposing a slurry pump connected between the slurry inlet and an unloading pipe where the slurry pump is placed in a hold adjacent to the utility hold.
  • the method may further include disposing a slurry inlet in a bulkhead between holds .
  • slurry may be unloaded from a utility hold of the dry bulk carrier without having to substantially alter the layout of the vessel .
  • the method may further include disposing, in a hold adjacent to the utility hold, a water pump to be connected between a water inlet and the fluidizing pipe.
  • the pumps are located at a level of height near the floor of the utility hold.
  • the slurry pump may be
  • water may flow in from the water inlet and through the inflow openings, which may be comprised of nozzles, so as to fluidize the sand located closest to the floor of the utility hold - frequently termed the tank top.
  • inflow openings may be comprised of nozzles, so as to fluidize the sand located closest to the floor of the utility hold - frequently termed the tank top.
  • fluidizing pipes having inflow openings may also be disposed on the walls of the utility hold, or at different levels of height in the utility hold.
  • the method may also comprise disposing air injection pipes in the utility hold, preferably near the floor thereof.
  • the air injection pipes may be provided with air injection openings, such as nozzles.
  • the air injection pipes are connected to a compressor, typically via a pressure tank.
  • a dry bulk carrier may not be filled up with sand in all the holds, given that the carrying capacity of the dry bulk carrier would be exceeded. For this reason, it is also appropriate to use e.g. every other hold for technical equipment which, in addition to the pumps and a potential compressor, may comprise valves and control components. In order to be able to adjust the specific gravity of the fluidized sand before entering into the slurry pump,
  • injection pipes for water to the slurry pipe may also be disposed on the inlet side of the slurry pump.
  • the water may be supplied from the water pump or from a sea chest in the hull.
  • the equipment in one hold may serve two adjacent holds .
  • the fluidized material may be unloaded by allowing it to flow into the slurry inlet and onwards via the slurry pump and the unloading pipe .
  • the method may further comprise allowing the unloading pipe to end outside the dry bulk carrier when the sand is to be unloaded from the dry bulk carrier, or connecting the
  • a ship for transportation of sand is normally loaded with fluidized or very wet sand, typically excavated from the seabed near the loading site.
  • the sand must be drained in order to be classified as dry during the transport.
  • the method may comprise disposing at least one drainage column for drainage of the sand in the utility hold.
  • a drainage column of this type may be comprised of a pipe having a number of openings in the pipe wall along the pipe, each opening being screened in such a way that water may enter through the opening, whereas settled sand covers the screen and thus prevent significant quantities of sand from entering into the drainage column.
  • the method may further comprise connecting the drainage column to the slurry pump for pumping out water from the surface of the sand.
  • a dry bulk carrier preferably having at least three holds and prepared in accordance with the invention for transportation of sand across the open sea allows for a substantial reduction in time and costs for transportation and unloading of sand.
  • Fig. 1 shows, in cross-section, a dry bulk carrier in
  • Fig. 2 shows a plan view of a segment of the hold of the dry bulk carrier
  • Fig. 3 shows, in perspective, details of the utility hold of the dry bulk carrier, wherein the extent of the utility hold is indicated by means of dashed lines;
  • Fig. 4 shows, on a larger scale, a section through a
  • the reference numeral 1 represents a dry bulk carrier comprising several holds 2, at least one thereof being used as a utility hold 4.
  • the dry bulk carrier 1 is moored next to a dredger 6, where sand in fluidized form flows from the dredger 6 and into the utility hold 4 via a filling pipe 8.
  • the utility hold 4 of the dry bulk carrier 1, near the floor - tank top - thereof, is provided with a number of fluidizing pipes 10 having inflow openings 12.
  • the fluidizing pipes 10 extend horizontally in the longitudinal direction of the dry bulk carrier 1 and are connected to a manifold 14.
  • the manifold 14 Via a first water valve 16, the manifold 14 is connected to a water pump 18 that receives water from a water inlet 20, see figure 2.
  • the water inlet 20 may comprise a sea chest (not shown) .
  • the water pump 18 is positioned in a hold 2 adjacent to the utility hold 4 and is designed in a manner allowing it supply water, via a second water valve 22, to another adjacent utility hold 4. In figure 2, the second water valve 22 is hidden underneath the water pump 18.
  • a portion of the fluidizing pipes 10 is placed on the walls 24 of the utility hold 4.
  • a number of air injection pipes 26 having air injection openings 28 are disposed near the floor of the utility hold 4.
  • the air injection pipes 26 communicate with a pressure tank 30 located in an adjacent hold 2 relative to the utility hold 4.
  • a slurry inlet 34 is positioned in a bulkhead 32 between the hold 2 and the utility hold 4 .
  • a slurry inlet 34 is positioned in a bulkhead 32 between the hold 2 and the utility hold 4 .
  • the utility hold 4 is connected to the inlet of a slurry pump 38.
  • the slurry pump 38 which is placed in a hold 2 adjacent to the utility hold 4, is connected to an unloading pipe 40.
  • the unloading pipe 40 ends in the sea next to the dry bulk carrier 1.
  • An intermediate pipe 42 is connected between the manifold 14 and the inlet of the slurry pump 38.
  • the aim is to be able to adjust the specific gravity of the fluidized sand before entering into the slurry pump 38 and by supplying additional water via the intermediate pipe 42.
  • Three drainage columns 44 are disposed in the utility hold 4.
  • the drainage columns 44 are connected, at their lower
  • the drainage columns 44 comprise a pipe 50 having a number of openings 52 in the pipe wall along the longitudinal extent thereof, see figure 4.
  • a screen 54 which is tight at the top and open at the bottom, surrounds the pipe 50 at the openings 52, whereby an annular space 56 is formed between the screen 54 and pipe 50.
  • the sand 60 settles in the utility hold 4.
  • the slurry valve 36 is closed and the drainage valve 48 is open.
  • the excess water 58 is drained via the drainage columns 44, drainage pipe 46 and slurry pump 38 and into the sea via the unloading pipe 40.
  • the first water valve 16 is opened, the drainage valve 48 is closed, and the slurry valve 36 is opened.
  • the fluidized sand flows via the slurry inlet 34, the slurry valve 36 and the slurry pump 38 onto the unloading pipe 40.
  • air is supplied to the fluidized sand from the pressure tank 30 via the air injection pipes 26 and the air injection openings 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Water Supply & Treatment (AREA)
  • Ship Loading And Unloading (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

L'invention concerne un procédé de préparation d'un transporteur de vrac sec (1) conçu pour le transport de sable et le déchargement fluidisé, qui consiste à disposer dans une cale à cargaison (4) des tubes de fluidisation (10) présentant des ouvertures d'entrée (12) ainsi qu'une admission de mélange liquide (34) pour le sable fluidisé. Ce procédé consiste en outre à disposer une pompe à mélange liquide (38) montée entre l'admission de mélange liquide (34) et un tube de déchargement (40), la pompe à mélange liquide étant placée dans une cale (2) adjacente à la cale à cargaison (4).
PCT/NO2010/000324 2009-09-03 2010-09-02 Procédé de préparation d'un transporteur de vrac sec WO2011028129A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2010800392991A CN102596705A (zh) 2009-09-03 2010-09-02 准备散装干货船的方法
US13/392,463 US20120275883A1 (en) 2009-09-03 2010-09-02 Method of Preparing a Dry Bulk Carrier
EP10814006.2A EP2473399A4 (fr) 2009-09-03 2010-09-02 Procédé de préparation d'un transporteur de vrac sec
JP2012527842A JP5557917B2 (ja) 2009-09-03 2010-09-02 乾燥ばら積み貨物船を準備する方法
AU2010290193A AU2010290193A1 (en) 2009-09-03 2010-09-02 A method of preparing a dry bulk carrier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG200905836-3A SG169253A1 (en) 2009-09-03 2009-09-03 A method of preparing a dry bulk carrier
SG200905836-3 2009-09-03

Publications (1)

Publication Number Publication Date
WO2011028129A1 true WO2011028129A1 (fr) 2011-03-10

Family

ID=43649494

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2010/000324 WO2011028129A1 (fr) 2009-09-03 2010-09-02 Procédé de préparation d'un transporteur de vrac sec

Country Status (9)

Country Link
US (1) US20120275883A1 (fr)
EP (1) EP2473399A4 (fr)
JP (1) JP5557917B2 (fr)
KR (1) KR20120064692A (fr)
CN (1) CN102596705A (fr)
AU (1) AU2010290193A1 (fr)
MY (1) MY159443A (fr)
SG (1) SG169253A1 (fr)
WO (1) WO2011028129A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016080832A1 (fr) 2014-11-21 2016-05-26 Ihc Holland Ie B.V. Système de déchargement de cale
EP3130707A1 (fr) * 2015-08-12 2017-02-15 Danmarks Tekniske Universitet Aube directrice pour une structure de trop-plein destinée à être placée sur un récipient
WO2017048131A1 (fr) 2015-09-18 2017-03-23 Viking Dredging As Améliorations concernant la vidange d'un matériau
WO2018021916A1 (fr) 2016-07-25 2018-02-01 Viking Dredging As Évacuation de matériau dragué d'un espace de chargement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110182309A (zh) * 2019-06-05 2019-08-30 上海外高桥造船海洋工程有限公司 船舶的舱口围的建造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US689741A (en) * 1901-09-10 1901-12-24 Alexander Mcdougall Vessel for transporting granular substances.
US3445008A (en) * 1966-09-29 1969-05-20 Continental Oil Co Handling of particulate ship cargo
US3729232A (en) * 1971-06-07 1973-04-24 Mitsui Shipbuilding Eng Apparatus for converting solidified powders of ores loaded in ore transport ships into slurries
EP0677618A1 (fr) * 1994-04-13 1995-10-18 ANTON MÜSING GmbH & CO. KG Procédé pour le traitement d'une cargaison d'un navire de dragage et cale d'un tel navire adoptée pour ce procédé
WO2010077147A1 (fr) * 2008-12-30 2010-07-08 Viking Dredging As Procédé pour préparer un navire de transport en vrac possédant au moins trois cales

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1564805A (en) * 1921-05-06 1925-12-08 Manitowoc Ship Building Corp Hydraulic conveyer adapted for unloading ships
US3409333A (en) * 1968-01-02 1968-11-05 Dundee Cement Co Pads for cement cargo carriers
US3606036A (en) * 1968-07-31 1971-09-20 Marcona Corp Method and apparatus for shipping mineral solids and other particulate matter
US3606479A (en) * 1969-07-10 1971-09-20 Marcona Corp Method and apparatus for the storage and pulping of material ores and comparable particulate matter
US4101175A (en) * 1975-12-24 1978-07-18 Acf Industries, Incorporated Railway hopper car for unloading ladings which do not readily fluidize
JPS5387480A (en) * 1977-01-10 1978-08-01 Hitachi Zosen Corp Apparatus for unloading powdery mineral
US4444229A (en) * 1981-05-18 1984-04-24 Conoco Inc. Slurry concentration apparatus
JPS57209485A (en) * 1981-06-16 1982-12-22 Hitachi Zosen Corp Collier
SE464125B (sv) * 1986-09-12 1991-03-11 Carlsen H W Ab System foer fluidisering av bulkmaterial
GB2219784B (en) * 1988-05-27 1992-09-30 Gary Kenneth Busch Element for adapting a bulk transport container or hold of a ship to fluidise and discharge its contents and method therefor
JPH08142981A (ja) * 1994-11-21 1996-06-04 Mitsubishi Heavy Ind Ltd スラリー輸送船
JP2001278184A (ja) * 2000-03-30 2001-10-10 Mitsubishi Heavy Ind Ltd ドラグサクション浚渫船
JP3993440B2 (ja) * 2002-01-30 2007-10-17 三菱重工業株式会社 浚渫船の土砂排出方法
NO332117B1 (no) * 2006-06-09 2012-06-25 Jebsen Skipsrederi System og fremgangsmate for lossing av pulverlast

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US689741A (en) * 1901-09-10 1901-12-24 Alexander Mcdougall Vessel for transporting granular substances.
US3445008A (en) * 1966-09-29 1969-05-20 Continental Oil Co Handling of particulate ship cargo
US3729232A (en) * 1971-06-07 1973-04-24 Mitsui Shipbuilding Eng Apparatus for converting solidified powders of ores loaded in ore transport ships into slurries
EP0677618A1 (fr) * 1994-04-13 1995-10-18 ANTON MÜSING GmbH & CO. KG Procédé pour le traitement d'une cargaison d'un navire de dragage et cale d'un tel navire adoptée pour ce procédé
WO2010077147A1 (fr) * 2008-12-30 2010-07-08 Viking Dredging As Procédé pour préparer un navire de transport en vrac possédant au moins trois cales

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2473399A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016080832A1 (fr) 2014-11-21 2016-05-26 Ihc Holland Ie B.V. Système de déchargement de cale
EP3130707A1 (fr) * 2015-08-12 2017-02-15 Danmarks Tekniske Universitet Aube directrice pour une structure de trop-plein destinée à être placée sur un récipient
WO2017048131A1 (fr) 2015-09-18 2017-03-23 Viking Dredging As Améliorations concernant la vidange d'un matériau
WO2018021916A1 (fr) 2016-07-25 2018-02-01 Viking Dredging As Évacuation de matériau dragué d'un espace de chargement

Also Published As

Publication number Publication date
JP2013503781A (ja) 2013-02-04
MY159443A (en) 2017-01-13
SG169253A1 (en) 2011-03-30
CN102596705A (zh) 2012-07-18
EP2473399A4 (fr) 2014-03-26
AU2010290193A1 (en) 2012-04-19
KR20120064692A (ko) 2012-06-19
US20120275883A1 (en) 2012-11-01
JP5557917B2 (ja) 2014-07-23
EP2473399A1 (fr) 2012-07-11

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