KR20150000648A - Corner panel assembly for liquefied gas tank - Google Patents

Corner panel assembly for liquefied gas tank Download PDF

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Publication number
KR20150000648A
KR20150000648A KR20130073003A KR20130073003A KR20150000648A KR 20150000648 A KR20150000648 A KR 20150000648A KR 20130073003 A KR20130073003 A KR 20130073003A KR 20130073003 A KR20130073003 A KR 20130073003A KR 20150000648 A KR20150000648 A KR 20150000648A
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South Korea
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corner
liquefied gas
storage tank
panel assembly
corner panel
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KR20130073003A
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Korean (ko)
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KR102015919B1 (en
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김범선
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현대중공업 주식회사
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    • 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
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations

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

Abstract

A corner panel assembly for a liquefied gas storage tank comprises: a plurality of corner panels including a first member and a second member which is connected to have a predetermined angle with one end of the first member; an insulating material inserted between the corner panels and having a mounting portion to be disposed at corresponding position of where the first member and the second member come into contact with each other; and a corner reinforcing material made of a material with higher compressive strength than the insulating material and inserted into the mounting portion, thereby improving the quality when a secondary barrier is constructed.

Description

액화가스 저장탱크용 코너 패널 어셈블리{Corner panel assembly for liquefied gas tank}{Corner panel assembly for liquefied gas storage tank}

본 발명은 액화가스 저장탱크용 코너 패널 어셈블리에 관한 것이며, 더욱 상세하게는 코너 부위의 압축강도를 보강한 액화가스 저장탱크용 코너 패널 어셈블리에 관한 것이다.
The present invention relates to a corner panel assembly for a liquefied gas storage tank, and more particularly to a corner panel assembly for a liquefied gas storage tank reinforced with a compressive strength at a corner portion.

일반적으로 가연성 가스는 천연가스(Natural Gas;NG) 또는 프로판가스(Propane Gas) 등을 포함하며, 여기서는 설명상의 편의를 위해 천연가스로 준용하여 설명한다.
Generally, the combustible gas includes natural gas (NG) or propane gas, and for convenience of explanation, the natural gas is used for the explanation.

이러한 가연성 가스, 예컨대 천연가스는 육상 또는 해상의 가스배관을 통해 기화 또는 액화된 가스 상태로 운반되거나, 액화된 상태로 원거리의 수요처로 운반된다.
Such flammable gas, for example, natural gas, is transported in a gasified or liquefied gas state via a land or sea gas pipeline, or is transported to a remote destination in a liquefied state.

통상 천연가스는 극저온(대략 -162℃ 정도)으로 냉각시 액화되며, 부피가 약 1/600로 줄어들게 되므로, 대부분의 천연가스는 액화천연가스(Liquefied Natural Gas;LNG) 상태로 액화되어 저장탱크에 저장된다.Most of the natural gas is liquefied in the state of Liquefied Natural Gas (LNG) and stored in the storage tank because the natural gas is liquefied upon cooling at a very low temperature (about -162 ° C) and the volume is reduced to about 1/600. .

저장탱크는 육상 등에 제공될 수 있으며, 액화가스의 수송이나 보관, 저장 등을 위한 선박 등의 해상 부유 구조물에도 제공될 수 있다.Storage tanks may be provided on land, etc., and may also be provided to offshore floating structures such as vessels for transport, storage, storage, etc. of liquefied gases.

예컨대, LNG를 운송하는 LNG 수송선(LNG Container;LNGC) 외에도 FPSO(Floating, Production, Storage and Offloading)나 FSRU(Floating Storage and Regasification Unit), RV(Regasification Vessel) 등의 해상 부유 구조물에도 LNG 등의 액화가스를 저장하기 위한 저장탱크가 포함된다.
For example, in addition to LNG carriers (LNG Container: LNGC) for transporting LNG, floating structures such as Floating, Production, Storage and Offloading, FSRU and RV (Regasification Vessel) And a storage tank for storing the gas.

도 1을 참조하면, LNG 수송선(1)에는 액화가스 저장탱크(10)가 구비되고, 액화가스 저장탱크(10)의 상부에는 액화가스의 공급이나 배출 및 액화가스 저장탱크(10)의 내부 수리등을 위해 선체의 상부로 연장된 리퀴드 돔(liquid dome)(11)이 제공된다.1, the LNG carrier 1 is provided with a liquefied gas storage tank 10, and the upper part of the liquefied gas storage tank 10 is provided with a liquefied gas supply / A liquid dome 11 extending to the upper part of the hull is provided.

이때, 액화가스 저장탱크(10)는 다수 패널의 결합구조로 이루어져 있으며 패널과 패널 사이에는 단열을 위한 단열재가 구비되며, 추가로 패널의 결합부위에 2차 방벽(secondary barrier)이 시공된다.
At this time, the liquefied gas storage tank 10 has a structure of a plurality of panels, a heat insulating material is provided between the panel and the panel, and a secondary barrier is further formed at a joining portion of the panel.

한편, 도 2에서 도시하고 있는 바와 같이, 리퀴드 돔(11)과 저장탱크 몸체부(12)의 연결지점(A)에는 소정의 각도를 가지고 꺾여진 코너패널(2)이 사용되는데, 코너패널(2) 간의 결합부위에 2차 방벽(3)을 시공하는 경우, 단열재(4)가 위치한 코너부(B)가 수축되는 현상이 발생할 수 있다.
2, a corner panel 2 bent at a predetermined angle is used as a connection point A between the liquid dome 11 and the storage tank body 12, 2, the corner portion B where the heat insulating material 4 is located may be contracted.

본 발명은 상기한 문제점을 해소하기 위한 것으로, 2차 방벽 시공시의 코너부위의 수축을 방지하도록, 코너 부위의 압축강도를 보강한 액화가스 저장탱크용 코너패널 어셈블리를 제공하고자 한다.
An object of the present invention is to provide a corner panel assembly for a liquefied gas storage tank that is reinforced with a compressive strength at a corner portion to prevent shrinkage of a corner portion at the time of constructing the secondary barrier.

본 발명에 의한 액화가스 저장탱크용 코너패널 어셈블리는, 제1부재 및 상기 제1부재의 일단과 소정의 각도를 이루며 연결되는 제2부재를 포함하는 복수의 코너패널, 상기 복수의 코너 패널 사이에 삽입되며, 상기 제1부재와 상기 제2부재가 만나는 부분에 대응되는 위치에 안착부를 구비하는 단열재 및 상기 단열재보다 압축강도가 높은 재질로 구비되어 상기 안착부에 삽입되는 코너 보강재를 포함할 수 있다. A corner panel assembly for a liquefied gas storage tank according to the present invention includes a plurality of corner panels including a first member and a second member connected at one predetermined angle to one end of the first member, And a corner reinforcement inserted into the seating portion, the seating reinforcement being made of a material having a higher compressive strength than that of the heat insulating material and inserted into the seating portion, the heat insulating material having a seating portion at a position corresponding to a portion where the first member and the second member meet, .

본 발명에 의한 액화가스 저장탱크용 코너패널 어셈블리에서, 상기 제1부재와 상기 제2부재가 이루는 상기 소정의 각도는 직각일 수 있다.In the corner panel assembly for a liquefied gas storage tank according to the present invention, the predetermined angle formed by the first member and the second member may be right angles.

본 발명에 의한 액화가스 저장탱크용 코너패널 어셈블리에서, 상기 단열재는 유리장섬유로 이루어질 수 있다.In the corner panel assembly for a liquefied gas storage tank according to the present invention, the heat insulating material may be made of glass filaments.

본 발명에 의한 액화가스 저장탱크용 코너패널 어셈블리에서, 상기 코너 보강재의 재질은 폴리 우레탄일 수 있다.In the corner panel assembly for a liquefied gas storage tank according to the present invention, the material of the corner reinforcement may be polyurethane.

본 발명에 의한 액화가스 저장탱크용 코너패널 어셈블리에서, 상기 코너 보강재는 30 ~ 55 ㎏/㎥의 밀도를 가질 수 있다.
In the corner panel assembly for a liquefied gas storage tank according to the present invention, the corner stiffener may have a density of 30 to 55 kg / m 3.

본 발명에 의하면, 코너패널의 코너부위에 단열재보다 압축강도가 높은 보강재를 구비하여, 2차 방벽 시공시에 코너부위의 수축을 방지할 수 있다.
According to the present invention, the corner portion of the corner panel is provided with a reinforcing material having a higher compressive strength than that of the heat insulating material, so that contraction of the corner portion can be prevented at the time of constructing the secondary barrier.

도 1은 액화가스 저장탱크가 구비된 LNG 수송선의 개략 사시도.
도 2는 도 1의 A부분에 구비된 종래의 코너패널 어셈블리에 2차 방벽이 시공된 상태의 일부 절개 사시도.
도 3은 본 발명의 일 실시예에 따른 액화가스 저장탱크용 코너패널 어셈블리의 사시도.
도 4는 본 발명의 일 실시예에 따른 액화가스 저장탱크용 코너패널 어셈블리의 분해 사시도.1 is a schematic perspective view of an LNG carrier with a liquefied gas storage tank;
FIG. 2 is a partially cut-away perspective view of a state where a secondary barrier is installed on a conventional corner panel assembly provided in part A of FIG.
3 is a perspective view of a corner panel assembly for a liquefied gas storage tank in accordance with an embodiment of the present invention.
4 is an exploded perspective view of a corner panel assembly for a liquefied gas storage tank according to an embodiment of the present invention.

이하에서는 도면을 참조하여 본 발명의 구체적인 실시예를 상세하게 설명한다. 다만, 본 발명의 사상은 제시되는 실시예에 제한되지 아니하고, 본 발명의 사상을 이해하는 당업자는 동일한 사상의 범위 내에서 다른 구성요소를 추가, 변경, 삭제 등을 통하여, 퇴보적인 다른 발명이나 본 발명 사상의 범위 내에 포함되는 다른 실시예를 용이하게 제안할 수 있을 것이나, 이 또한 본원 발명 사상 범위 내에 포함된다고 할 것이다.
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

또한, 실시예의 도면에 나타나는 동일한 사상의 범위 내의 기능이 동일한 구성요소는 동일한 참조부호를 사용하여 설명한다.
In the following description, the same reference numerals are used to designate the same components in the same reference numerals in the drawings.

도 1은 액화가스 저장탱크가 구비된 LNG 수송선(1)의 개략 사시도이다.1 is a schematic perspective view of an LNG carrier 1 with a liquefied gas storage tank.

도 1을 참조하면, LNG 수송선(1)에는 액화가스 저장탱크(10)가 구비되고, 액화가스 저장탱크(10)의 상부에는 액화가스의 공급이나 배출 및 액화가스 저장탱크(10)의 내부 수리등을 위해 선체의 상부로 연장된 리퀴드 돔(liquid dome)(11)이 제공된다.1, the LNG carrier 1 is provided with a liquefied gas storage tank 10, and the upper part of the liquefied gas storage tank 10 is provided with a liquefied gas supply / A liquid dome 11 extending to the upper part of the hull is provided.

이때, 상기 액화가스 저장탱크(10)는 다수 패널의 결합구조로 이루어져 있으며 패널과 패널 사이에는 단열을 위한 단열재가 구비된다.At this time, the liquefied gas storage tank 10 has a structure of a plurality of panels, and a heat insulating material for heat insulation is provided between the panel and the panel.

한편, 상기 리퀴드 돔(11)과 저장탱크 몸체부(12)의 연결지점(A)에는 소정의 각도를 가지고 꺾여진 코너패널(110)이 사용된다.
A corner panel 110 bent at a predetermined angle is used at a connection point A between the liquid dome 11 and the storage tank body 12.

도 3은 본 발명의 일 실시예에 따른 액화가스 저장탱크용 코너패널 어셈블리(100)의 사시도이고, 도 4는 본 발명의 일 실시예에 따른 액화가스 저장탱크용 코너패널 어셈블리(100)의 분해 사시도이다.
FIG. 3 is a perspective view of a corner panel assembly 100 for a liquefied gas storage tank according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view of a corner panel assembly 100 for a liquefied gas storage tank according to an embodiment of the present invention. It is a perspective view.

본 발명의 일 실시예에 의한 액화가스 저장탱크용 코너패널 어셈블리(100)는 도 3 및 도 4에 도시된 바와 같이, 복수 개의 코너패널(110), 단열재(120), 코너 보강재(130)를 포함하여 구성될 수 있다.3 and 4, the corner panel assembly 100 for a liquefied gas storage tank according to an embodiment of the present invention includes a plurality of corner panels 110, a heat insulating material 120, and a corner stiffener 130 And the like.

도 3 및 도 4에서는 설명의 편의상, 두 개의 상기 코너패널(110)이 구비되는 액화가스 저장탱크용 코너패널 어셈블리(100)를 도시하고 있으나, 이에 한정되는 것은 아니다.
3 and 4 illustrate a corner panel assembly 100 for a liquefied gas storage tank having two corner panels 110 for the sake of convenience, but the present invention is not limited thereto.

상기 코너패널(110, 110')은 소정의 두께를 갖는 평판 형상인 제1부재(111, 111')와 상기 제1부재(111, 111')의 일단에 상기 제1부재(111, 111')와 소정의 각도를 이루어 연결되는 소정의 두께를 갖는 평판형상의 제2부재(112, 112')를 포함할 수 있다.The corner panels 110 and 110 'have first and second members 111 and 111' having a predetermined thickness and first and second members 111 and 111 'at one ends of the first and second members 111 and 111' Shaped second member 112, 112 'having a predetermined thickness and connected at an angle to the second member 112, 112'.

여기에서, 상기 제1부재(111, 111')와 상기 제2부재(112, 112')가 이루는 소정의 각도는 직각일 수 있으며, 이 경우 상기 코너패널(110, 110')은 'ㄴ'자 형상의 단면을 갖게 된다.
Here, the predetermined angle formed by the first member 111, 111 'and the second member 112, 112' may be right angles. In this case, the corner panel 110, 110 ' Shaped cross section.

상기 단열재(120)는 상기 코너패널(110, 110') 사이에 구비되어, 상기 코너패널(110, 110')의 연결부위를 통한 열전달을 최소화하는 역할을 한다.The heat insulating material 120 is provided between the corner panels 110 and 110 'to minimize heat transfer through the connection parts of the corner panels 110 and 110'.

또한, 후술하는 코너 보강재(130)를 안착시킬 수 있도록 코너부분에 안착부(121)를 구비할 수 있다.In addition, the seating portion 121 may be provided at the corner portion so that the corner stiffener 130 described later can be seated.

한편, 상기 단열재(120)는 단열 성능을 확보하기 위해 유리장 섬유로 이루어질 수 있다.
Meanwhile, the heat insulating material 120 may be made of glass filament to ensure the heat insulating performance.

상기 코너 보강재(130)는 상기 단열재(120)보다 압축강도가 높은 재질로 구비되어, 상기 안착부(121)에 안착될 수 있다.The corner stiffener 130 is made of a material having a higher compressive strength than the heat insulating material 120 and can be seated in the seating part 121.

이때, 상기 코너 보강재(130)는 폴리 우레탄 재질로 구비될 수 있으며, 그 밀도가 30 ~ 55 ㎏/㎥인 것이 바람직하다.
At this time, the corner reinforcement 130 may be made of a polyurethane material, and the density is preferably 30 to 55 kg / m 3.

이와 같이, 본 발명의 일 실시예에 따른 액화가스 저장탱크용 코너패널 어셈블리(100)에 있어서, 코너패널(110)과 코너패널(110') 사이에 안착부(121)가 형성된 단열재(120)와 안착부(121)에 안착되는 코너보강재(130)를 구비하여, 코너부의 압축강도를 보강함으로써, 2차 방벽 시공시에 코너부가 수축되는 현상을 방지하고 그 시공품질을 개선할 수 있다.
As described above, in the corner panel assembly 100 for a liquefied gas storage tank according to an embodiment of the present invention, the heat insulating material 120 having the seating part 121 formed between the corner panel 110 and the corner panel 110 ' And a corner reinforcement 130 that is seated on the seating part 121 to reinforce the compressive strength of the corner part to prevent the corner part from contracting during the construction of the secondary wall and to improve the quality of the construction.

100: 액화가스 저장탱크용 코너패널 어셈블리
110, 110': 코너패널
111, 111': 제1부재
112, 112': 제2부재
120: 단열재
121: 안착부
130: 코너 보강재100: Corner panel assembly for liquefied gas storage tanks
110, 110 ': Corner panel
111, 111 ': first member
112, 112 ': second member
120: Insulation
121:
130: Corner stiffener

Claims (5)

평판 형상의 제1부재 및 상기 제1부재의 일단과 소정의 각도를 이루며 연결되는 평판 형상의 제2부재를 포함하는 복수의 코너패널;
상기 복수의 코너 패널 사이에 삽입되며, 상기 제1부재와 상기 제2부재가 만나는 부분에 대응되는 위치에 안착부를 구비하는 단열재; 및
상기 단열재보다 압축강도가 높은 재질로 구비되어 상기 안착부에 삽입되는 코너 보강재;를 포함하는 액화가스 저장탱크용 코너패널 어셈블리.
A plurality of corner panels including a first member having a flat plate shape and a second member having a flat plate shape connected to one end of the first member at a predetermined angle;
A heat insulating member inserted between the plurality of corner panels and having a seating portion at a position corresponding to a portion where the first member and the second member meet; And
And a corner reinforcement which is made of a material having a higher compressive strength than the heat insulating material and is inserted into the seating portion.
제1항에 있어서,
상기 제1부재와 상기 제2부재가 이루는 상기 소정의 각도는 직각인 액화가스 저장탱크용 코너패널 어셈블리.
The method according to claim 1,
Wherein the predetermined angle between the first member and the second member is a right angle.
제1항에 있어서,
상기 단열재는 유리장섬유로 이루어진 액화가스 저장탱크용 코너패널 어셈블리.
The method according to claim 1,
Wherein the heat insulating material is made of glass filaments.
제1항에 있어서,
상기 코너 보강재의 재질은 폴리 우레탄인 액화가스 저장탱크용 코너패널 어셈블리.
The method according to claim 1,
Wherein the corner reinforcement material is polyurethane.
제4항에 있어서,
상기 코너 보강재는 30 ~ 55 ㎏/㎥의 밀도를 갖는 액화가스 저장탱크용 코너패널 어셈블리.




5. The method of claim 4,
Wherein the corner reinforcement has a density of 30 to 55 kg / m < 3 >.




KR1020130073003A 2013-06-25 2013-06-25 Corner panel assembly for liquefied gas tank KR102015919B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278400A (en) * 2006-04-07 2007-10-25 Mitsubishi Heavy Ind Ltd Lng tank
KR20090020411A (en) * 2007-08-23 2009-02-26 한명섭 Apparatus of pressing corner part of 2nd barrier of lng cargocontainment
KR20090132514A (en) * 2008-06-20 2009-12-30 삼성중공업 주식회사 Insulation panel for corner area of lng cargo containment system
KR20100090036A (en) * 2009-02-05 2010-08-13 한국과학기술원 Heat insulation structure and cryogenic liquid storage tank having the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278400A (en) * 2006-04-07 2007-10-25 Mitsubishi Heavy Ind Ltd Lng tank
KR20090020411A (en) * 2007-08-23 2009-02-26 한명섭 Apparatus of pressing corner part of 2nd barrier of lng cargocontainment
KR20090132514A (en) * 2008-06-20 2009-12-30 삼성중공업 주식회사 Insulation panel for corner area of lng cargo containment system
KR20100090036A (en) * 2009-02-05 2010-08-13 한국과학기술원 Heat insulation structure and cryogenic liquid storage tank having the same

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