JP2015123906A - Vertical fuel tank and support structure - Google Patents

Vertical fuel tank and support structure Download PDF

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Publication number
JP2015123906A
JP2015123906A JP2013270643A JP2013270643A JP2015123906A JP 2015123906 A JP2015123906 A JP 2015123906A JP 2013270643 A JP2013270643 A JP 2013270643A JP 2013270643 A JP2013270643 A JP 2013270643A JP 2015123906 A JP2015123906 A JP 2015123906A
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Prior art keywords
fuel tank
support structure
tank
vertical
ship
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Pending
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JP2013270643A
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Japanese (ja)
Inventor
和夫 賀田
Kazuo Kata
和夫 賀田
清水　祐介
Yusuke Shimizu
祐介 清水
雄太 長谷川
Yuta Hasegawa
雄太 長谷川
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Kawasaki Heavy Industries Ltd
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Kawasaki Heavy Industries Ltd
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Priority to JP2013270643A priority Critical patent/JP2015123906A/en
Priority to KR1020167018279A priority patent/KR20160095138A/en
Priority to PCT/JP2014/006347 priority patent/WO2015098069A1/en
Priority to EP14873993.1A priority patent/EP3088291A4/en
Priority to CN201480070752.3A priority patent/CN105848995A/en
Publication of JP2015123906A publication Critical patent/JP2015123906A/en
Pending legal-status Critical Current

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    • 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
    • B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
    • 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 
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0192—Details of mounting arrangements with external bearing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a vertical fuel tank support structure capable of achieving the effective use of a limited space of a ship so as to be able to narrow a fuel tank installation space.SOLUTION: Provided is a fuel tank support structure 11 for installing a fuel tank 13 storing fuel used for the navigation of a ship 12 in a vertical state, comprising: the fuel tank 13 installed vertically; a lower support structure 14 supporting a tank lower portion 16b of the fuel tank 13; and an upper support structure supporting a tank upper portion 16c of the fuel tank 13 on a deck 32, the lower support structure 14 being configured to support a vertical load acting on the fuel tank 13 and loads acting on the fuel tank 13 in a ship width direction and a ship length direction by the rocking of the ship 12, and the upper support structure 15 being configured to support loads acting on the fuel tank 13 in the ship width direction and the ship length direction by the rocking of the ship 12.

Description

本発明は、船舶の航行に使用される燃料を貯留するための例えば円筒形状の燃料用タンクを船体に縦置きした状態で設置するための、縦置き燃料用タンク及び支持構造に関する。   The present invention relates to a vertical fuel tank and a support structure for installing, for example, a cylindrical fuel tank for storing fuel used for navigating a ship in a vertical state on a hull.

従来、例えば船積み横置き円筒型タンクは、実績も多くあり、その支持構造及びその設計技術は確立している。つまり、この横置き円筒型タンクは、その前後に設けられたサドルを備える支持構造によって、確実、かつ、安定的に支持される。
このような横置き円筒型タンクの支持構造の一例として、特開２００３−２４０１９８号公報に記載されたものがある。 2. Description of the Related Art Conventionally, for example, a horizontally loaded cylindrical tank has a proven track record, and its support structure and design technology have been established. That is, this horizontally placed cylindrical tank is reliably and stably supported by the support structure including saddles provided at the front and rear thereof.
As an example of such a horizontal cylindrical tank support structure, there is one described in Japanese Patent Laid-Open No. 2003-240198.

特開２００３−２４０１９８号公報JP 2003-240198 A

しかし、上記のような横置き円筒型タンクでは、少なくともこの円筒型タンクの長さ分の設置スペースが必要となり、船体の限られたスペースの有効活用を図る為には、この横置き円筒型タンクの設置スペースを狭めることが求められている。   However, the horizontal cylindrical tank as described above requires an installation space at least as long as the length of the cylindrical tank. In order to effectively use the limited space of the hull, this horizontal cylindrical tank It is required to reduce the installation space.

また、例えば上記のような横置き円筒型タンクに船舶の航行に使用するための燃料を貯留する場合は、このような燃料用タンクを設置するための設置スペースを確保するために、例えば船体に積載する荷液倉や貨物倉のスペースが縮小されることになるので、燃料用タンクを設置するための設置スペースを船長方向に対して狭めることが強く求められている。   In addition, for example, when storing fuel to be used for navigating a ship in a horizontal cylindrical tank as described above, in order to secure an installation space for installing such a fuel tank, Since the space of the cargo hold and cargo hold to be loaded will be reduced, there is a strong demand to narrow the installation space for installing the fuel tank in the direction of the captain.

一方、船体には、例えば船体の設計上の理由や、積載する荷液倉又は貨物倉の大きさ及び形状に起因して、船長方向に短く上下方向に深いスペースが形成されることがあり、このようなスペースの有効活用が求められている。   On the other hand, for example, due to the design reasons of the hull and the size and shape of the cargo hold or cargo hold to be loaded, a short space may be formed short in the ship length direction and deep in the vertical direction. There is a need for effective use of such spaces.

このスペースとしては、例えば船舶の荷液倉又は貨物倉と、機関室との間の区画域、及び船舶の居住区の下方の区画域などがある。   Examples of the space include a partition area between the cargo hold or cargo hold of the ship and the engine room, and a partition area below the residential area of the ship.

本発明は、上記のような課題を解決するためになされたものであり、燃料用タンクの設置スペースの船長方向への短縮を図ることができるようにして、船体が備える限られたスペースの有効活用を図ることができる縦置き燃料用タンク及び支持構造を提供することを目的としている。   The present invention has been made in order to solve the above-described problems, and is capable of shortening the installation space of the fuel tank in the direction of the length of the ship so that the limited space provided in the hull is effective. An object of the present invention is to provide a vertical fuel tank and a support structure that can be utilized.

前記課題を解決するために本発明の発明者らは、上下方向に深い区画に燃料用タンクを効率的に配置し、船体の貨物倉区域を縮小することなく、効率的な船体区画配置がなされるよう、縦方向に置いた燃料用タンクとその支持構造について注目した。
本発明に係る縦置き燃料用タンクの支持構造は、船体の航行に使用される燃料を貯留するための上下方向に延びる燃料用タンクを船体に設置するための燃料用タンクの支持構造であって、縦置きされた前記燃料用タンクと、前記燃料用タンクのタンク下部を支持する下部支持構造と、前記燃料用タンクのタンク上部を支持する上部支持構造と、を備え、前記下部支持構造は、船体の動揺によって前記燃料用タンクに働く上下方向の荷重、並びに、前記燃料用タンクに働く船幅方向及び船長方向の荷重を支持するように構成され、前記上部支持構造は、船体の動揺によって前記燃料用タンクに働く船幅方向及び船長方向の荷重を支持するように構成されていることを特徴とするものである。 In order to solve the above-mentioned problems, the inventors of the present invention efficiently arrange a fuel tank in a vertically deep section, and achieve an efficient hull section arrangement without reducing the cargo hold area of the hull. As such, we paid attention to the fuel tank and its support structure placed vertically.
A vertical fuel tank support structure according to the present invention is a fuel tank support structure for installing in a hull a fuel tank extending in the vertical direction for storing fuel used for navigating the hull. The fuel tank placed vertically, a lower support structure that supports the lower tank portion of the fuel tank, and an upper support structure that supports the upper tank portion of the fuel tank, the lower support structure comprising: It is configured to support the vertical load acting on the fuel tank due to the hull motion, and the load in the width direction and the ship length direction acting on the fuel tank, and the upper support structure is configured to It is configured to support the load in the ship width direction and the ship length direction acting on the fuel tank.

本発明に係る縦置き燃料用タンクの支持構造を備えている燃料用タンクは、前記燃料用タンクが設けられている船舶の航行のために使用する例えば推進用エンジンの燃料を貯留することができる。前記燃料用タンクは円筒部の本体部を有し、前記タンク上部及び下部が半球状に形成される。   The fuel tank provided with the vertical fuel tank support structure according to the present invention can store, for example, propulsion engine fuel used for navigation of a ship provided with the fuel tank. . The fuel tank has a cylindrical main body, and the upper and lower portions of the tank are hemispherical.

この発明に係る縦置き燃料用タンクの支持構造において、前記タンク下部の支持構造は、前記タンクの下部の外表面に沿って配置され、前記タンク下部の最下部で互いに交差する第１及び第２保持部と、前記タンク下部を前記第１及び第２保持部を介して支持する支持台とを有し、前記第１保持部は、前記タンク下部の最下部から船幅方向の両側に延びており、前記第２保持部は、前記タンク下部の最下部から船長方向の両側に延びている。   In the vertical fuel tank support structure according to the present invention, the support structure for the lower part of the tank is arranged along the outer surface of the lower part of the tank, and intersects with each other at the lowermost part of the lower part of the tank. A holding portion and a support base for supporting the tank lower portion via the first and second holding portions, and the first holding portion extends from the lowermost portion of the tank lower portion to both sides in the ship width direction. The second holding part extends from the lowermost part of the lower part of the tank to both sides in the ship length direction.

また、この発明に係る縦置き燃料用タンクの支持構造において、前記タンク上部の支持構造は、前記タンク上部直方体形状の第１部材と、前記第１部材を挟み込む第２部材とを有しており、タンクの前後及び左右方向の動揺を防止する目的で設けられている。   In the vertical fuel tank support structure according to the present invention, the tank upper support structure includes a first member having a rectangular parallelepiped shape above the tank and a second member sandwiching the first member. It is provided for the purpose of preventing fluctuations in the front-rear and left-right directions of the tank.

前記タンクの下部支持構造及び上部支持構造により、船体の動揺によって、縦置きされた燃料用タンクに働く上下方向の荷重、並びに船幅方向及び船長方向の荷重を支持することができる。   By the lower support structure and the upper support structure of the tank, it is possible to support the load in the vertical direction acting on the fuel tank placed vertically and the load in the ship width direction and the ship length direction by shaking the hull.

この発明に係る縦置き燃料用タンクの支持構造において、前記タンクに低温の液化ガス（例えば液化天然ガス（LNG））が貯蔵されている場合、前記タンクの下部支持構造における前記第１及び第２保持部、及び前記タンクの上部直方体形状の第１部材は、断熱性材料で形成されているものとするとよい。   In the vertical fuel tank support structure according to the present invention, when low-temperature liquefied gas (for example, liquefied natural gas (LNG)) is stored in the tank, the first and second in the lower support structure of the tank The holding member and the first rectangular parallelepiped first member of the tank may be formed of a heat insulating material.

このようにすると、外部の熱が前記タンクの下部支持構造における前記第１及び第２保持部、または前記タンクの上部直方体形状の部材を介して前記タンクに侵入することを抑制することができる。これによって、低温液化ガスのボイルオフの発生を抑制することができる。   If it does in this way, it can control that external heat penetrates into the tank via the 1st and 2nd maintenance parts in the lower support structure of the tank, or the upper rectangular parallelepiped member of the tank. Thereby, the occurrence of boil-off of the low-temperature liquefied gas can be suppressed.

この発明に係る縦置き燃料用タンク及び支持構造によると、燃料用タンクを縦置きした状態で支持しているので、当該燃料用タンクの設置スペースの船長方向の短縮化を図ることができ、船体が備える限られたスペースの有効利用を図ることができる。   According to the vertical fuel tank and the support structure according to the present invention, since the fuel tank is supported in the vertical state, the installation space of the fuel tank can be shortened in the ship length direction, and the hull Can be used effectively in a limited space.

この発明に係る縦置き燃料用タンクの支持構造を側面方向から見た断面図である。It is sectional drawing which looked at the support structure of the tank for vertical installations concerning this invention from the side surface direction. 図１に示す同支持構造を正面方向から見た断面図である。It is sectional drawing which looked at the same support structure shown in FIG. 1 from the front direction. 図１に示す燃料用タンクの上部平面図である。（上から下を見ている）FIG. 2 is a top plan view of the fuel tank shown in FIG. 1. (Looking from top to bottom) 図１に示す燃料用タンクの底面図である。（下から上を見ている）FIG. 2 is a bottom view of the fuel tank shown in FIG. 1. (Looking from above from below) 図１に示す下部支持構造のＡ―Ａ断面図及び図２に示す上部支持構造のＡ’−Ａ’断面図である。FIG. 3 is a cross-sectional view taken along line AA of the lower support structure shown in FIG. 1 and an A′-A ′ cross-sectional view of the upper support structure shown in FIG. 2. 図１に示す上部支持構造のＢ部及び図２に示す上部支持構造のＢ’部の部分拡大正面図である。FIG. 3 is a partially enlarged front view of a B portion of the upper support structure shown in FIG. 1 and a B ′ portion of the upper support structure shown in FIG. 2.

図１に示す縦置き燃料用タンクの支持構造１１は、船舶１２の航行に使用される燃料を貯留するための燃料用タンク１３を、当該船舶１２に縦置きした状態で設置するためのものである。そして、縦置き燃料用タンク１３は、当該燃料用タンク１３が設置されている船舶１２の航行のために使用する例えば推進用エンジンの燃料を貯留するためのものである。   A vertical fuel tank support structure 11 shown in FIG. 1 is used to install a fuel tank 13 for storing fuel used for navigation of a ship 12 in a state of being placed vertically on the ship 12. is there. The vertical fuel tank 13 is used to store, for example, fuel for a propulsion engine used for navigation of the ship 12 in which the fuel tank 13 is installed.

この図１に示す縦置き燃料用タンクの支持構造１１は、燃料用タンク１３と、下部支持構造１４と、上部支持構造１５とを備えている。この下部支持構造１４は、フラット２３に対して設けられ、上部支持構造１５は、デッキ３２に対して設けられている。そして、図１に示す３６は、隔壁である。   The vertical fuel tank support structure 11 shown in FIG. 1 includes a fuel tank 13, a lower support structure 14, and an upper support structure 15. The lower support structure 14 is provided for the flat 23, and the upper support structure 15 is provided for the deck 32. And 36 shown in FIG. 1 is a partition.

燃料用タンク１３は、この燃料用タンクの支持構造１１によって縦置きに設置されている。貯留される燃料は、例えば液化天然ガス（LNG）を含む液化ガス燃料である。   The fuel tank 13 is installed vertically by the fuel tank support structure 11. The stored fuel is, for example, a liquefied gas fuel containing liquefied natural gas (LNG).

この燃料用タンク１３は、図１〜図４に示すように、金属製のタンク本体１６を有している。このタンク本体１６は、円筒縦型形状に形成され、円筒状の本体部１６ａを有している。そして、この本体部１６ａの下部には、半球状のタンク下部１６ｂが設けられ、本体部１６ａの上部には、半球状のタンク上部１６ｃが設けられている。   As shown in FIGS. 1 to 4, the fuel tank 13 has a metal tank body 16. The tank body 16 is formed in a cylindrical vertical shape and has a cylindrical body portion 16a. A hemispherical tank lower portion 16b is provided below the main body portion 16a, and a hemispherical tank upper portion 16c is provided above the main body portion 16a.

そして、この円筒縦型形状のタンク本体１６は、図１に示すように、防熱材１７によって被覆されている。これら多数の防熱材１７は、断熱性を有するものであり、タンク本体１６に取り付けられている。   The cylindrical vertical tank body 16 is covered with a heat insulating material 17 as shown in FIG. These many heat insulating materials 17 have heat insulation properties, and are attached to the tank body 16.

図１に示す下部支持構造１４は、燃料用タンク１３のタンク下部１６ｂを支持するためのものであり、船体の動揺によって燃料用タンク１３に働く上下方向の荷重、並びに、燃料用タンク１３に働く船幅方向及び船長方向の荷重を支持することができるものである。   The lower support structure 14 shown in FIG. 1 is for supporting the tank lower portion 16b of the fuel tank 13, and acts on the fuel tank 13 as well as the vertical load acting on the fuel tank 13 due to the shaking of the hull. The load in the ship width direction and the ship length direction can be supported.

そして、この下部支持構造１４は、図１、図４、及び図５に示すように、タンク下部１６ｂの外表面に沿って配置され、タンク下部１６ｂの最下部で互いに直角に交差する第１及び第２保持部１８、１９と、タンク下部１６ｂを第１及び第２保持部１８，１９を介して支持する支持台２０とを有している。   As shown in FIGS. 1, 4 and 5, the lower support structure 14 is disposed along the outer surface of the tank lower part 16b, and intersects at right angles with each other at the lowermost part of the tank lower part 16b. It has the 2nd holding parts 18 and 19 and the support stand 20 which supports the tank lower part 16b via the 1st and 2nd holding parts 18 and 19.

第１保持部１８は、図２に示すように、タンク下部１６ｂの最下部から船幅方向の両側に円弧状に延びている構成である。第２保持部１９は、図１に示すように、タンク下部１６ｂの最下部から船長方向の両側に円弧状に延びている構成である。そして、これら円弧状に形成された第１及び第２保持部１８，１９のそれぞれ中心角θは、例えば１４０°〜１５０°である。なお、図１に示すＯは、中心点である。   As shown in FIG. 2, the first holding portion 18 is configured to extend in an arc shape from the lowermost portion of the tank lower portion 16 b to both sides in the ship width direction. As shown in FIG. 1, the second holding part 19 is configured to extend in an arc shape from the lowermost part of the tank lower part 16 b to both sides in the ship length direction. And each central angle (theta) of these 1st and 2nd holding | maintenance parts 18 and 19 formed in circular arc shape is 140 degrees-150 degrees, for example. In addition, O shown in FIG. 1 is a center point.

これら第１及び第２保持部１８、１９は、剛性が強く、断熱性を有するものであり、例えば積層フェノール樹脂で形成されている。そして、第１及び第２保持部１８、１９は、図４に示すように、第１及び第２補強板２１、２２（ウエアプレート）を介してタンク下部１６ｂの外表面に取り付けられている。この第１及び第２補強板２１、２２は、タンク下部１６ｂに固着されている。
なお、図５に表れている２９は、第２上留め部である。この第２上留め部２９は、第２保持部１９を第２補強板２２上に留めている。これと同様に、第１上留め部は、第１保持部１８を第１補強板２１上に留めている。 These 1st and 2nd holding | maintenance parts 18 and 19 are strong and have heat insulation, for example, are formed with the lamination phenol resin. And the 1st and 2nd holding | maintenance parts 18 and 19 are attached to the outer surface of the tank lower part 16b via the 1st and 2nd reinforcement boards 21 and 22 (wear plate), as shown in FIG. The first and second reinforcing plates 21 and 22 are fixed to the tank lower portion 16b.
Reference numeral 29 shown in FIG. 5 denotes a second upper fastening portion. The second upper fastening part 29 fastens the second holding part 19 on the second reinforcing plate 22. Similarly, the first upper fastening part fastens the first holding part 18 on the first reinforcing plate 21.

支持台２０は、図５に示すように、タンク下部１６ｂを第１及び第２保持部１８，１９を介して支持するためのものであり、船体のフラット２３に固定して設置されている。この支持台２０は、第１及び第２保持部１８，１９のそれぞれの下面と当接するように、それぞれが円弧状に形成された２つの第１及び第２上板２４，２５を有している。これら２つの第１及び第２上板２４，２５は、それぞれ第１及び第２支持板２６，２７によって支持され、それぞれの第１及び第２支持板２６，２７には、当該第１及び第２支持板２６，２７が倒れないように支持するための複数の倒れ止め板２８が設けられている。これら第１及び第２支持板２６，２７、並びに、複数の倒れ止め板２８は、フラット２３に固定して設けられている。   As shown in FIG. 5, the support base 20 is for supporting the tank lower portion 16 b via the first and second holding portions 18 and 19 and is fixedly installed on the flat 23 of the hull. The support base 20 has two first and second upper plates 24 and 25 each formed in an arc shape so as to come into contact with the lower surfaces of the first and second holding portions 18 and 19. Yes. The two first and second upper plates 24 and 25 are supported by first and second support plates 26 and 27, respectively. The first and second support plates 26 and 27 have first and second support plates 26 and 27, respectively. (2) A plurality of fall stop plates 28 for supporting the support plates 26 and 27 so as not to fall are provided. The first and second support plates 26 and 27 and the plurality of fall prevention plates 28 are fixed to the flat 23.

図６に示す上部支持構造１５は、タンク上部１６ｃの最上部に設けられ、直方体形状の第１部材３０と、船体のデッキ３２（船体側部）に設けられ、第１部材３０を周囲から挟み込む第２部材３１とを有している。
なお、図６に表れている３４は、第３下留め部である。この第３下留め部３４は、第１部材３０を周囲から挟み込んで第３補強板３３上に留めている。 The upper support structure 15 shown in FIG. 6 is provided on the uppermost part of the tank upper part 16c, is provided on the rectangular parallelepiped first member 30 and the hull deck 32 (the hull side), and sandwiches the first member 30 from the periphery. And a second member 31.
In addition, 34 shown in FIG. 6 is a 3rd bottom fastening part. The third lower fastening part 34 sandwiches the first member 30 from the periphery and fastens it on the third reinforcing plate 33.

これら第１及び第２部材３０、３１は、剛性が強く、その両方又は一方が断熱性を有するものであり、例えば積層フェノール樹脂で形成されている。そして、第１部材３０は、図６に示すように、第３補強板３３（ウエアプレート）を介してタンク上部１６ｃの外表面に取り付けられている。
また、図１に示す縦置き燃料用タンクの支持構造１１によって支持されている燃料用タンク１３は、例えば荷液倉又は船舶の貨物倉と機関室との間の区画域、又は船舶の居住区の下方の区画域に縦置きされて配置されている。 These 1st and 2nd members 30 and 31 are strong, and both or one has heat insulation, for example, is formed with lamination phenol resin. And the 1st member 30 is attached to the outer surface of the tank upper part 16c via the 3rd reinforcement board 33 (wear plate), as shown in FIG.
Further, the fuel tank 13 supported by the vertical fuel tank support structure 11 shown in FIG. 1 is, for example, a compartment between a cargo hold or a ship cargo hold and an engine room, or a ship residence. Is placed vertically in the compartment below.

以上のように、本発明に係る縦置き燃料用タンクの支持構造及び縦置き燃料用タンクは、燃料用タンクの設置スペースの狭小化を図ることができるようにして、船体が備える限られたスペースの有効活用を図ることができる優れた効果を有し、このような縦置き燃料用タンク及び支持構造に適用するのに適している。   As described above, the vertical fuel tank support structure and the vertical fuel tank according to the present invention have a limited space provided in the hull so that the installation space of the fuel tank can be reduced. Therefore, it is suitable for application to such a vertical fuel tank and support structure.

１１ 縦置き燃料用タンクの支持構造
１２ 船舶
１３ 燃料用タンク
１４ 下部支持構造
１５ 上部支持構造
１６ タンク本体
１６ａ 本体部
１６ｂ タンク下部
１６ｃ タンク上部
１７ 防熱材
１８ 第１保持部
１９ 第２保持部
２０ 支持台
２１ 第１補強板
２２ 第２補強板
２３ フラット
２４ 第１上板
２５ 第２上板
２６ 第１支持板
２７ 第２支持板
２８ 倒れ止め板
２９ 第２上留め部
３０ 第１部材
３１ 第２部材
３２ デッキ
３３ 第３補強板
３４ 第３下留め部
３６ 隔壁
DESCRIPTION OF SYMBOLS 11 Support structure of vertical fuel tank 12 Ship 13 Fuel tank 14 Lower support structure 15 Upper support structure 16 Tank main body 16a Main body part 16b Tank lower part 16c Tank upper part 17 Thermal insulation material 18 1st holding part 19 2nd holding part 20 Support Table 21 First reinforcing plate 22 Second reinforcing plate 23 Flat 24 First upper plate 25 Second upper plate 26 First support plate 27 Second support plate 28 Fall stop plate 29 Second upper retaining portion 30 First member 31 Second Member 32 Deck 33 Third reinforcing plate 34 Third bottom fastening portion 36 Bulkhead

Claims (8)

船体の航行に使用される燃料を貯留するための上下方向に延びる燃料用タンクを船体に設置するための燃料用タンクの支持構造であって、
縦置きされた前記燃料用タンクと、
前記燃料用タンクのタンク下部を支持する下部支持構造と、
前記燃料用タンクのタンク上部を支持する上部支持構造と、を備え、
前記下部支持構造は、船体の動揺によって前記燃料用タンクに働く上下方向の荷重、並びに、前記燃料用タンクに働く船幅方向及び船長方向の荷重を支持するように構成され、
前記上部支持構造は、船体の動揺によって前記燃料用タンクに働く船幅方向及び船長方向の荷重を支持するように構成されていることを特徴とする縦置き燃料用タンクの支持構造。 A fuel tank support structure for installing in the hull a fuel tank extending in the vertical direction for storing fuel used for navigation of the hull,
The fuel tank vertically disposed;
A lower support structure for supporting a lower portion of the fuel tank;
An upper support structure for supporting an upper portion of the tank of the fuel tank,
The lower support structure is configured to support the load in the vertical direction acting on the fuel tank due to the shaking of the hull, and the load in the ship width direction and the ship length direction acting on the fuel tank,
The support structure for a vertical fuel tank, wherein the upper support structure is configured to support a load in a ship width direction and a ship length direction that act on the fuel tank by a fluctuation of a hull. 前記燃料用タンクは、円筒状の本体部を有し、前記タンク下部が半球状に形成され、
前記下部支持構造は、前記タンク下部の外表面に沿って配置され、前記タンク下部の最下部で互いに交差する第１及び第２保持部と、前記タンク下部を前記第１及び第２保持部を介して支持する支持台とを有し、
前記第１保持部は、前記タンク下部の最下部から船幅方向の両側に延びており、前記第２保持部は、前記タンク下部の最下部から船長方向の両側に延びていることを特徴とする請求項１に記載の縦置き燃料用タンクの支持構造。 The fuel tank has a cylindrical main body, the tank lower part is formed in a hemispherical shape,
The lower support structure is disposed along an outer surface of the tank lower portion, and intersects with each other at a lowermost portion of the tank lower portion, and the tank lower portion includes the first and second holding portions. And a support base that supports
The first holding part extends from the lowermost part of the tank lower part to both sides in the ship width direction, and the second holding part extends from the lowermost part of the tank lower part to both sides in the ship length direction. The support structure for a vertically placed fuel tank according to claim 1. 前記第１及び第２保持部は、断熱性材料で形成されていることを特徴とする請求項２に記載の縦置きタンク燃料用タンクの支持構造。   3. The vertical tank fuel tank support structure according to claim 2, wherein the first and second holding portions are made of a heat insulating material. 前記燃料用タンクは、円筒状本体部を有し、前記タンク上部が半球状に形成され、
前記上部支持構造は、
前記タンク上部に設けられ、直方体形状の第１部材と、
前記船体側に設けられ、前記第１部材を周囲から挟み込む第２部材とを有していることを特徴とする請求項１乃至３のいずれかに記載の縦置き燃料用タンクの支持構造。 The fuel tank has a cylindrical main body, and the tank upper portion is formed in a hemispherical shape,
The upper support structure is
A rectangular parallelepiped first member provided on the tank;
The vertical fuel tank support structure according to any one of claims 1 to 3, further comprising a second member provided on the hull side and sandwiching the first member from the periphery. 前記第１及び第２部材は、その両方又は一方が断熱性材料で形成されていることを特徴とする請求項４に記載の縦置き燃料用タンクの支持構造。   The vertical fuel tank support structure according to claim 4, wherein both or one of the first and second members is formed of a heat insulating material. 荷液倉又は船舶の貨物倉と機関室との間の区画域、又は船舶の居住区の下方の区画域に縦置きされた前記燃料用タンクが配置されていることを特徴とする請求項１乃至５のいずれかに記載の縦置き燃料用タンクの支持構造。   2. The fuel tank placed vertically in a compartment between a cargo hold or a cargo hold of a ship and an engine room, or a compartment below a ship's residence, is arranged. The support structure of the tank for vertical installations in any one of thru | or 5. 前記燃料用タンクは、円筒縦型形状であり、液化天然ガスが貯留されるものであることを特徴とする請求項１乃至６のいずれかに記載の縦置き燃料用タンクの支持構造。   7. The vertical fuel tank support structure according to claim 1, wherein the fuel tank has a cylindrical vertical shape and stores liquefied natural gas. 請求項１乃至７のいずれかに記載の縦置き燃料用タンクの支持構造に適用されることを特徴とする縦置き燃料用タンク。   A vertical fuel tank, which is applied to the vertical fuel tank support structure according to claim 1.
JP2013270643A 2013-12-27 2013-12-27 Vertical fuel tank and support structure Pending JP2015123906A (en)

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CN105848995A (en) 2016-08-10

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