WO2017104988A1 - Structure de raccordement de panneaux d'isolation sous vide alternativement empilés de réservoir de stockage de gaz liquéfié de type indépendant - Google Patents

Structure de raccordement de panneaux d'isolation sous vide alternativement empilés de réservoir de stockage de gaz liquéfié de type indépendant Download PDF

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Publication number
WO2017104988A1
WO2017104988A1 PCT/KR2016/013425 KR2016013425W WO2017104988A1 WO 2017104988 A1 WO2017104988 A1 WO 2017104988A1 KR 2016013425 W KR2016013425 W KR 2016013425W WO 2017104988 A1 WO2017104988 A1 WO 2017104988A1
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WO
WIPO (PCT)
Prior art keywords
vacuum insulation
insulation panel
liquefied gas
storage tank
gas storage
Prior art date
Application number
PCT/KR2016/013425
Other languages
English (en)
Korean (ko)
Inventor
윤종현
백범규
남대우
Original Assignee
주식회사 경동원
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 주식회사 경동원 filed Critical 주식회사 경동원
Priority to JP2018530851A priority Critical patent/JP6781526B2/ja
Priority to CN201680073331.5A priority patent/CN108541247B/zh
Priority to EP16875930.6A priority patent/EP3392131B1/fr
Publication of WO2017104988A1 publication Critical patent/WO2017104988A1/fr

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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
    • 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
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • 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
    • B63B2025/087—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid comprising self-contained tanks installed in the ship structure as separate units
    • 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
    • F17C2201/0147—Shape complex
    • F17C2201/0157—Polygonal
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 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
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0358—Thermal insulations by solid means in form of panels
    • 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
    • F17C2203/0391—Thermal insulations by vacuum
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • 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
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/031—Dealing with losses due to heat transfer
    • F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
    • 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
    • F17C2270/0107—Wall panels

Definitions

  • the present invention relates to a connection structure of a vacuum insulation panel of a stand-alone liquefied gas storage tank installed for storing liquefied gas such as LNG or LPG.
  • Natural gas is transported in gaseous form through onshore or offshore gas pipelines, or transported to distant consumers while being stored on transport ships in the form of LNG or LPG.
  • LNG is a liquefied natural gas of methane as the main component at minus 162 °C at atmospheric pressure, the volume ratio of liquid and gas is about 1/600, the specific gravity of the liquefied state is 0.43 ⁇ 0.50.
  • LNG transporter for loading and unloading LNG to land requirements by operating the sea with LNG, or LNG RV (Regasification Vessel) that reloads the LNG after recharging the stored LNG after arriving at the land demand by operating the sea with LNG.
  • LNG RV (Regasification Vessel) that reloads the LNG after recharging the stored LNG after arriving at the land demand by operating the sea with LNG.
  • storage tanks commonly referred to as cargo holds
  • cryogenic temperatures of liquefied natural gas are commonly referred to as cargo holds
  • This storage tank can be classified into independent type and membrane type according to whether the load of the cargo directly acts on the insulator.
  • Membrane type storage tank is divided into No 96 type and Mark III type.
  • Independent storage tanks are divided into MOSS type and SPB type. The structure of the MOSS type independent storage tank is described in Korean Patent No. 10-15063, etc., and the structure of the SPB type independent storage tank is described in Korean Patent No. 10-30513.
  • stand-alone storage tanks are made by attaching a relatively rigid insulation panel such as polyurethane foam to a tank body made of aluminum alloy or low temperature resistant alloys such as SUS and 9% nickel, and arranged on the inner bottom of the hull. Is placed on the support.
  • a relatively rigid insulation panel such as polyurethane foam
  • a tank body made of aluminum alloy or low temperature resistant alloys such as SUS and 9% nickel
  • the heat insulation structure of the liquefied gas storage tank has a limit that the heat insulation panel must have a predetermined thickness, so that the size of one heat insulation panel cannot be increased to a predetermined level or more when the insulation panel is installed.
  • Korean Patent Laid-Open Publication No. 10-2011-0051407, 10-2011-0046627, etc. the stud bolt and the first insulation panel fitted to the stud bolt and the stud to maintain the primary insulation panel fixedly It provides a fixing member coupled to the bolt and the secondary insulating panel is coupled to the fixing member laminated on the primary insulating panel.
  • the heat insulation panel is extended by a mounting member such as a fixing member, since the boundary surface of the heat insulation panel is stacked in a straight line, the length from which the heat from the atmosphere reaches the tank surface is short, resulting in poor heat insulation performance.
  • the stud bolt and the fixing member, and the filling member such as the heat insulating material is filled, but the heat can penetrate from the atmosphere to the tank surface through the gap, so that the heat insulation is not completed.
  • the present invention is to improve the above-mentioned problems, by laminating the vacuum insulation panel on the tank body, the length of heat from the atmosphere to reach the tank surface along the interface of the vacuum insulation panel is long, the heat insulation performance is improved In order to provide a connection structure of a cross-laminated vacuum insulation panel of a stand-alone liquefied gas storage tank that can have an enhanced insulation performance while reducing the thickness of the insulation panel.
  • Connection structure of the cross-laminated vacuum insulation panel of the independent liquefied gas storage tank of the present invention for achieving the above object is a vacuum insulation panel having a core and the outer shell is formed in a vacuum surrounding the core; And a vacuum insulating panel connected structure of a standalone liquefied gas storage tank in which a vacuum insulation panel is cross-laminated successively to prevent heat loss on the outside of the tank body of the liquefied gas storage tank.
  • a stud bolt installed in the; And a pad fitted to the stud bolt to form a gap between the vacuum insulation panel and the tank body, wherein the vacuum insulation panel is attached to the outside of the tank body through the stud bolt. It is provided with a connection structure of a cross-laminated vacuum insulation panel of the independent liquefied gas storage tank for fixing the fixing member; and other fixing member to the fixing member to secure the vacuum insulation panel.
  • the length of the heat from the atmosphere to the tank surface along the boundary surface of the vacuum insulation panel is long to improve the thermal insulation performance You can.
  • heat loss can be prevented from occurring through the mounting member and the filling member such as the stud bolt and the fixing member or through the gap therebetween.
  • the thickness of the insulation panel is reduced, not only increases the storage space of the storage tank but also storage tank This has the effect of reducing the cost of transportation by reducing the weight of.
  • FIG. 1 is a view showing a connection structure of a vacuum insulation panel according to the present invention
  • FIG. 2 is a flow chart showing a process in which the vacuum insulation panel is connected according to the present invention
  • FIG. 3 is a view showing the effect of the vacuum insulation panel laminated in succession in accordance with the present invention.
  • FIG. 4 is a view showing the configuration of a vacuum insulation panel including a protective layer according to the present invention
  • FIG. 5 is a view showing a method for mounting the finish in the connection structure of the vacuum insulation panel according to the present invention.
  • FIG. 1 is a cross-sectional view for explaining the connection structure of the vacuum insulation panel according to a preferred embodiment of the present invention
  • Figure 2 is shown in sequence the process of connecting the mounting member and the vacuum insulation panel to the outside of the tank body have.
  • the insulating structure of the independent liquefied gas tank is formed by forming a vacuum insulation panel layer by laminating the vacuum insulation panel 6 on the outside of the tank body (1).
  • the vacuum insulation panel 6 is a heat insulating material having a very low thermal conductivity and is formed such that an outer shell having a high shielding property including an aluminum thin film surrounds all surfaces of an organic or inorganic pore-shaped core material therein.
  • the vacuum insulation panel 6 is disposed adjacent to each other in succession to the outside of the tank body (1) of the storage tank to form a lower vacuum insulation panel layer (6a) and a vacuum insulation panel on the lower vacuum insulation panel layer (6a)
  • the upper vacuum insulation panel layer 6b is formed by cross laminating with one or more layers.
  • the lower vacuum insulated panel layer 6a is not in close contact with the tank body 1, and the gap 9 is formed by the pad 2.
  • the gap 9 between the tank body 1 and the lower vacuum insulation panel layer 6a can be utilized as a ventilation space, and can also be used as a passage for leaking liquid when a leak occurs due to damage of the tank body 1. .
  • the stud bolts 51 are provided on the outer surface of the tank body 1 at regular intervals.
  • the stud bolt 51 may be fixedly mounted on the outer surface of the tank body 1 by welding.
  • a pad 2 having a predetermined thickness is fitted on the stud bolt 51.
  • the pad 2 is stepped at a lower height than the circumference and has a through groove formed at the center thereof.
  • the stud bolt 51 passes through the through groove formed in the stepped portion of the pad 2, and the first fixing member 3 for receiving the end of the stud bolt 51 is screwed thereon.
  • the first fixing member 3 is the lower end 52 of one side is screwed with the stud bolt 51, the pressing projection 53 formed on the side of the first fixing member 3 by pressing the pad (2)
  • the pad 2 is fixed in close contact with the tank body 1.
  • a stepped portion is formed, which is stepped downward to form an empty space 8.
  • the pusher 53 for pressing the vacuum insulation panel 6 from the first fixing member 3 is the stepped portion. It is located in the empty space 8 of the lower vacuum insulating panel layer 6a and the vacuum insulating panel 6 is not an obstacle in close contact with the mounting.
  • the lower end 71 of the second fixing member 4 is extended to accommodate the upper end 54 opposite to the lower end 52 of the first fixing member 3, which is a portion where the stud bolt 51 is coupled. Threads are formed.
  • the lower vacuum insulation panel layer 6a is fixed with the edges of the vacuum insulation panel 6 seated thereon.
  • each edge of the vacuum insulation panel 6 forming the lower vacuum insulation panel layer 6a is seated and fixed on a different pad 2, respectively. That is, the pad 2 accommodates a vertex portion where the edges of the vacuum insulation panel 6 meet, and another pad 2 receives the vertex portion where the other edges of the vacuum insulation panel 6 meet.
  • the vacuum insulation panel 6 is successively mounted on the pads 2 installed at regular intervals to surround the tank body 1, and a gap between the tank body 1 and the vacuum insulation panel 6 by the pads 2.
  • the size of 9) can be kept constant.
  • the vacuum insulation panel 6 of the lower vacuum insulation panel layer 6a mounted on the pad 2 with the respective corners extending therefrom is connected to the first fixing member 3 holding the pad 2. ) Is screwed into place.
  • the second fixing member 4 is composed of a plate-shaped pressing plate 72 and a lower end 71 installed below the pressing plate 72 so that the lower end 71 of the second fixing member 4 is first fixed.
  • the pressing plate 72 is configured to press and fix corners of each vacuum insulation panel 6. Accordingly, the vacuum insulation panel 6 is accommodated at the apex part where the mounting member including the stud bolt 51 and the first and second fixing members 3 and 4 meets the edges of the vacuum insulation panel 6. .
  • the insulation consisting of foam or inorganic fiber system having elasticity Pad 5 is filled.
  • the insulation pad 5 between the vacuum insulation panels 6 may be attached to the side of the vacuum insulation panel 6 in advance, or may be fitted after the vacuum insulation panel 6 is mounted.
  • the pad may vary in width as the tank body 1 contracts or expands as the liquefied gas is supplied or discharged.
  • the vacuum insulation panel 6 is configured to cross-laminate when the upper vacuum insulation panel layer 6b is stacked in a plurality of layers on the lower vacuum insulation panel layer 6a.
  • the boundary surfaces in the stacking direction are stacked in a straight line between adjacent vacuum insulation panels 6 as shown in FIG. 3 (a)
  • the length of heat from the atmosphere reaching the tank surface is relatively short, resulting in poor thermal insulation performance.
  • the vacuum insulation panels 6 cross each other in succession as in the preferred embodiment of the present invention shown in FIG. 3 (b)
  • the interface in the stacking direction is zigzag, and heat from the atmosphere reaches the tank surface. Longer length improves insulation performance. This is based on Fourier's law, as shown below.
  • Equation 1 Equation 1 below.
  • the amount of heat transferred is proportional to the cross-sectional area and inversely proportional to the distance to the temperature gradient.
  • the length of heat from the atmosphere reaches the tank surface is increased, so the heat is minimized to insulate the heat. It can be seen that the performance can be improved.
  • At least one vacuum insulation panel 6 may include a protective layer 81 on the vacuum insulation panel.
  • the protective layer 81 protects the vacuum insulation panel from internal vacuum damage from external temperature environment, pressure, and mechanical shock.
  • the protective layer 81 may be stacked outside the vacuum insulation panel and may be coated on the outer surface of the vacuum insulation panel.
  • the protective layer 81 is an organic sheet such as polypropylene, polyethylene, polystyrene, polyvinyl alcohol, polycarbonate, polymethyl methacrylate, polyethylene terephthalate or an inorganic sheet such as foam, nonwoven fabric, and glass fiber. It can be formed as.
  • the finishing material 7 is mounted on the uppermost layer of the laminated vacuum insulation panel 6.
  • the finishing material is a metal sheet such as galvalume, aluminum, zinc, stainless steel sheet or a composite sheet or rubber sheet of phenolic resin, epoxy resin, polyester resin or thermosetting resin reinforced with fibers such as carbon fiber, glass fiber, rock wool or Wood board material and the like can be used.
  • the method of mounting the finish is shown in FIG. 5.
  • the finishing material 7 may damage the vacuum formed inside the vacuum insulation panel 6 when the finishing material 7 is closely attached to the vacuum insulation panel 6 and bolted vertically. Therefore, as shown in (b), the finishing material 7 is turned to 90 degrees by tightening horizontally, or as shown in (c), an adhesive is applied between the finishing material 7 and the vacuum insulation panel 6 to the adhesive layer 100. It is preferable to induce the fixation, or optionally to finish as above and to fix it with a band as in (d).
  • connection structure of the cross-laminated vacuum insulation panel of the independent liquefied gas storage tank according to the present invention is a composite body constituting the mounting member such as the vacuum insulation panel 6 and the thermal insulation pad (5), the finishing material (7) tank body (1) ) May be assembled on the tank, or the vacuum insulation panel layer constituting the vacuum insulation panel 6 and the mounting member may be mounted in a tank in a modularized state.
  • connection structure of the cross-laminated vacuum insulation panel of the independent liquefied gas storage tank according to the present invention is not only an independent liquefied gas tank on land, but also an independent liquefied gas tank is installed while the offshore structure used while floating in the sea where the flow occurs It can be applied to any of the above, and it can be applied to liquefied gas carriers carrying LNG or LPG, vessels such as LNG Regasfication Vessel (LNG RV), LNG Floating Production, Storage And Offloading (FPSO) or LNG Floating Storage and Regasification Unit (FSRU). It can be applied to both offshore plants and the like.
  • LNG Regasfication Vessel LNG RV
  • FPSO LNG Floating Production, Storage And Offloading
  • FSRU LNG Floating Storage and Regasification Unit
  • connection structure of the cross-laminated vacuum insulation panel of the independent liquefied gas storage tank according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described above, Various modifications and variations can be made by those skilled in the art within the scope of the claims.
  • first fixing member 4 second fixing member

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

Abstract

La présente invention concerne une structure de raccordement de panneaux d'isolation sous vide alternativement empilés d'un réservoir de stockage de gaz liquéfié de type indépendant configuré de manière à stocker un gaz liquéfié tel que du GNL ou du GPL. La présente invention concerne une structure de raccordement de panneaux d'isolation sous vide alternativement empilés d'un réservoir de stockage de gaz liquéfié de type indépendant, le panneau d'isolation sous vide comportant un matériau central et une couverture externe, qui recouvre le matériau central et dont l'intérieur est formé d'un vide, les panneaux d'isolation sous vide étant empilés de façon continue et alternée et disposés de manière à éviter la perte de chaleur à l'extérieur d'un corps de réservoir du réservoir de stockage de gaz liquéfié, de manière à effectuer une isolation. L'invention concerne la structure pour raccorder les panneaux d'isolation sous vide empilé de façon alternée du réservoir de stockage de gaz liquéfié de type indépendant, la structure comprenant : des tiges filetées disposées à l'extérieur du corps de réservoir; les panneaux d'isolation sous vide fixés à l'extérieur du corps de réservoir au moyen des tiges filetées; une plaque installée sur les tiges filetées de manière à former un espacement entre le panneau d'isolation sous vide et le corps de réservoir; et des éléments de fixation pour fixer la plaque, les panneaux d'isolation sous vide pouvant être fixés par raccordement d'un autre élément de fixation à l'élément de fixation.
PCT/KR2016/013425 2015-12-15 2016-11-21 Structure de raccordement de panneaux d'isolation sous vide alternativement empilés de réservoir de stockage de gaz liquéfié de type indépendant WO2017104988A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018530851A JP6781526B2 (ja) 2015-12-15 2016-11-21 独立型液化ガス貯蔵タンクの交差積層された真空断熱パネルの連結構造
CN201680073331.5A CN108541247B (zh) 2015-12-15 2016-11-21 用于连接独立式液化气储罐的交替堆叠的真空隔热板的结构件
EP16875930.6A EP3392131B1 (fr) 2015-12-15 2016-11-21 Structure de raccordement de panneaux d'isolation sous vide alternativement empilés de réservoir de stockage de gaz liquéfié de type indépendant

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KR20170071623A (ko) 2017-06-26
CN108541247A (zh) 2018-09-14
CN108541247B (zh) 2020-08-11
EP3392131A1 (fr) 2018-10-24
JP6781526B2 (ja) 2020-11-04
JP2019506338A (ja) 2019-03-07
KR101772581B1 (ko) 2017-08-31
EP3392131A4 (fr) 2019-09-25
EP3392131B1 (fr) 2022-06-01

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