KR20170102080A - Panel fixing device for liquefied gas tank, and liquefied gas tank having the same - Google Patents

Panel fixing device for liquefied gas tank, and liquefied gas tank having the same Download PDF

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Publication number
KR20170102080A
KR20170102080A KR1020160023875A KR20160023875A KR20170102080A KR 20170102080 A KR20170102080 A KR 20170102080A KR 1020160023875 A KR1020160023875 A KR 1020160023875A KR 20160023875 A KR20160023875 A KR 20160023875A KR 20170102080 A KR20170102080 A KR 20170102080A
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KR
South Korea
Prior art keywords
heat insulating
panel
primary
primary heat
stud bolt
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KR1020160023875A
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Korean (ko)
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KR101814445B1 (en
Inventor
이세진
박경제
임승범
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삼성중공업 주식회사
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Priority to KR1020160023875A priority Critical patent/KR101814445B1/en
Publication of KR20170102080A publication Critical patent/KR20170102080A/en
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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 
    • 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
    • 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
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0631—Three or more walls
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • 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
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2225/0161—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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/013—Reducing manufacturing time or effort
    • 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

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

Abstract

Disclosed are a panel fixing device for a liquefied gas tank and a liquefied gas tank having the same. According to an embodiment of the present invention, the panel fixing device for a liquefied gas tank fixates a primary insulating panel on a secondary insulating panel installed in an internal wall of the tank, and comprises: a stud bolt fixated to the secondary insulating panel; a disk fixing member pressurizing and fixating a protrusion unit of the primary insulating panel, wherein a through hole coupled to the stud bolt is formed in a central portion; and a tightening nut coupled to the stud bolt to pressurize the fixing member.

Description

TECHNICAL FIELD [0001] The present invention relates to a panel fixing device for a liquefied gas cargo window, and a liquefied gas holding panel having the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel fixing device for a liquefied gas cargo window for bonding together adiabatic panels to be laminated and a liquefied gas cargo hold having the same.

A hold that stores cryogenic fluid such as liquefied gas has a barrier structure disposed on the inner wall to prevent fluid from leaking and keep the fluid at a cryogenic temperature.

The barrier structure of such a cargo hold is formed by sequentially laminating a primary barrier, a primary insulation panel, a secondary barrier and a secondary insulation panel from the inner side in contact with the cryogenic fluid to the wall side. For example, the barrier structure of the GTT Mark III type cargo hold is such that if there is leakage of fluid from the primary barrier, it can be blocked at the secondary barrier. Korean Patent Laid-Open Publication No. 10-2012-0013233 (Feb. 14, 2012) proposes such a type of cargo hold barrier structure.

When installing the barrier structure, a secondary insulation panel is fixed on the inner wall of the cargo hold and a secondary barrier is installed thereon. In addition, a primary insulation panel and a primary barrier are sequentially installed on the secondary barrier. In the process, the primary insulation panels to be installed later are fixed on the secondary insulation panels using the panel fixing device.

However, the conventional panel fixing device is complicated in its form, and the fixing device for fixing the corner portion of the heat insulating panels and the fixing device for fixing the side edges of the heat insulating panels are different from each other, .

Korean Patent Publication No. 10-2012-0013233 (2012.02.14.)

Embodiments of the present invention can provide a panel fixing device for a liquefied gas cargo window that facilitates the installation work of the heat insulating panel by simplifying the structure and enables the corner portion, side end, etc. of the heat insulating panel to be bound using the same device, Gas hold.

According to an aspect of the present invention, there is provided a method of fixing a primary insulation panel on a secondary insulation panel installed on an inner wall side of a cargo hold, comprising: a stud bolt fixed to the secondary insulation panel; And a fastening nut fastened to the stud bolt to press the fastening member. The panel fastening device for a liquefied gas car window may be provided with a disk-shaped fastening member having a through hole coupled to the stud bolt at the center thereof, and a fastening nut fastened to the stud bolt to press the fastening member.

The fastening member may have a periphery contacting the latching portion of the primary heat insulating panel and a center portion coupled with the stud bolt may be spaced apart from the fastening portion of the primary heat insulating panel.

According to another aspect of the present invention, there is provided a liquefied gas receiving space including a primary barrier surrounding a liquefied gas receiving space, a primary insulation panel provided outside the primary barrier, a secondary barrier surrounding the outside of the primary insulation panel, And a panel fixing device for fixing the primary insulation panel to the secondary insulation panel. The panel fixing device includes a stud bolt fixed to the secondary insulation panel, A disk-shaped fixing member having a through hole connected to the stud bolt at the center thereof for pressing and fixing the fixing portion of the primary heat insulating panel, and a tightening nut fastened to the stud bolt to press the fixing member, Can be provided.

The secondary thermal insulating panel may include a secondary thermal insulating member, a secondary upper side reinforcing plate coupled to the upper side of the secondary thermal insulating member, and a coupling member provided inside the secondary upper side reinforcing plate for mounting the stud bolt .

The primary heat insulating panel includes a primary heat insulating member, a primary upper side reinforcing plate coupled to the upper side of the primary heat insulating member, and a lower heat insulating member joined to the lower side of the primary heat insulating member and fixed to the corner portion and the side end by the fixing member And a primary lower reinforcing plate provided with the latching portion.

Wherein the primary heat insulating panel has an opening portion opened to have a sectorial or semicircular cross-sectional structure in the primary heat insulating member and the primary upper side reinforcing plate portion in the upper region of the fastening portion for installing the fixing member, The cylindrical space is closed together with the opening of the other primary heat-insulating panel installed adjacent thereto, and the cylindrical space can be closed by a cylindrical stopper mounted after the fixing member is installed.

The panel fixing device for a liquefied gas cargo window according to an embodiment of the present invention is a simple configuration because it fastens the disk-shaped fixing member to fasten the fastening part of the primary heat-insulating panel. In addition, It can be easily performed.

The panel fixing device for a liquefied gas cargo window according to an embodiment of the present invention can be fastened by using the same device because the fastening member is a disc shape and the fastening part provided at the corner of the primary heat insulating panel and the fastening part provided at the side end are fastened together. Therefore, it is possible to easily perform the installation work, to easily manage the parts, and to reduce the installation cost by sharing parts.

1 is a perspective view of a barrier structure of a liquefied gas holding window according to an embodiment of the present invention.
2 is a sectional view of a barrier structure of a liquefied gas holding window according to an embodiment of the present invention.
3 is a perspective view of a panel fixing device according to an embodiment of the present invention.
4 is a sectional view of the panel fixing device according to the embodiment of the present invention.
5 is an exploded perspective view of a panel fixing apparatus according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided to fully convey the spirit of the present invention to a person having ordinary skill in the art to which the present invention belongs. The present invention is not limited to the embodiments shown herein but may be embodied in other forms. For the sake of clarity, the drawings are not drawn to scale, and the size of the elements may be slightly exaggerated to facilitate understanding.

The liquefied gas holding window according to an embodiment of the present invention may be a liquefied gas at a very low temperature such as Liquefied Natural Gas (LNG), Liquefied Petroleum Gas (LPG), Dimethyl Ether (DME) Lt; / RTI > In other words, these cargo holds can be used for transporting liquefied gas cargoes such as LNG carriers, LNG RV (regasification vessel) carriers, LPG carriers, or ethylene carriers, or carriers such as floating storage regasification unit (FSRU), floating production storage offloading And barge mounted power plant (BMPP) for the storage and production of liquefied gas. The liquefied gas hold can also be applied not only to marine equipment but also to land equipment for storing liquefied gas.

FIG. 1 is a perspective view of a barrier structure installed on the inner wall of a liquefied gas holding window according to an embodiment of the present invention, and FIG. 2 is a sectional view of the barrier structure.

1 and 2, the barrier structure of the liquefied gas holding window is composed of a primary barrier 10, a primary insulation panel 20, and a secondary barrier 10 which are sequentially installed from the storage space containing the liquefied gas to the inner wall 1 of the cargo hold, A secondary barrier 30, and a secondary insulation panel 40. According to the installation procedure, the secondary insulation panel 40, the secondary barrier 30, the primary insulation panel 20, and the primary barrier 10 are sequentially laminated from the inner wall 1. The primary heat insulating panel 20 is fixed to the secondary heat insulating panel 40 by the panel fixing apparatus 100.

The primary barrier 10 implements the sealing of the storage space in which the storage fluid is received. The primary barrier 10 can be made of a metal material such as INVAR, stainless steel (SUS), aluminum alloy or the like so that the physical and chemical stability can be maintained even at a very low temperature. The primary barrier 10 can be installed in a manner that a plurality of primary barrier sheets are butted together and welded together for sealing.

Because the primary barrier 10 is in direct contact with the ultraclean storage fluid, fatigue can accumulate as thermal shrinkage and thermal expansion repeat. Accordingly, the primary barrier 10 may include a corrugation 11 to correspond to thermal expansion and thermal contraction. The corrugated portion 11 is elastically deformed, so that even if thermal deformation occurs in the primary barrier 10, the stress at the welded portion can be reduced.

The primary thermal insulation panel 20 supports the primary barrier 10 and allows the storage fluid to be insulated from the outside to maintain an ultra low temperature state. The primary heat insulating panel 20 includes a primary heat insulating member 21, a primary upper side reinforcing plate 22 coupled to the upper side of the primary heat insulating member 21, And a reinforcing plate 23. That is, the primary heat insulating member 21, the primary upper side reinforcing plate 22, and the primary lower side reinforcing plate 23 are integrally provided in a laminated state.

The primary upper reinforcing plate 22 and the primary lower reinforcing plate 23 may be made of plywood and the primary heat insulating member 21 may be made of polyurethane foam (PUF), reinforced polyurethane (RPUF, Reinforced PUF), and the like. The primary upper reinforcing plate 22 may be provided with a primary barrier connecting member 24 for welding the primary barrier 10 thereon.

The secondary barrier 30 is installed to maintain a seal between the primary insulation panel 20 and the secondary insulation panel 40 to block leakage of the fluid. A secondary barrier 30 is additionally provided to prevent leakage of the fluid when the primary barrier 10 is broken. The secondary barrier 30 can also be installed in a manner that a metallic sheet made of an invar alloy (INVAR), stainless steel (SUS), aluminum alloy, or the like is sealed in the same manner as the primary barrier 10. And it is also possible to have the corrugated portion 31 to correspond to thermal contraction and thermal expansion.

The secondary insulation panel 40 supports the secondary barrier 30 and is insulated from the outside like the primary insulation panel 20 so that the storage fluid can maintain an ultra-low temperature state. The secondary insulation panel 40 includes a secondary insulation member 41, a secondary upper stiffener 42 coupled to the upper side of the secondary insulation member 41, a secondary lower insulation member 41 connected to the lower side of the secondary insulation member 41, And a reinforcing plate 43, which are integrally combined with each other.

The material of the secondary upper reinforcing plate 42 and the secondary lower reinforcing plate 43 may be plywood and the secondary insulating member 41 may be made of polyurethane foam (PUF), reinforced polyurethane (RPUF, Reinforced PUF), and the like. The secondary upper reinforcing plate 42 may be provided with a secondary barrier connecting member 44 for welding the secondary barrier 30 thereon.

As shown in FIGS. 1 and 2, the secondary insulation panel 40 includes a mastic 51 having an adhesive force on the inner wall 1 of the cargo hold and a level pad 52 for adjusting the level difference The second lower reinforcing plate 43 can be attached to the second lower reinforcing plate 43. Since the mastic 51 has the adhesive force and the elasticity simultaneously, the mastic 51 can realize the coupling between the inner wall 1 of the cargo hold and the secondary insulation panel 40 and can function as a buffer.

The secondary insulation panels 40 can be fixed by fastening the secondary lower reinforcing plate 43 to the stud bolts 53 fixed to the inner wall 1 of the cargo hold as shown in Fig. A coupling hole 54 for fastening the stud bolt 53 is formed at the corner of the secondary lower reinforcing plate 43 for the fastening of the secondary lower reinforcing plate 43. In the secondary upper insulating member 41 and the secondary upper reinforcing plate 42, A through-hole 56 for fastening the fastening member 55 is formed, and a cylindrical stopper 57 is provided in the through-hole 56. In addition, a filling material 58 made of glass wool or heat insulating material may be provided between the secondary insulation panels 40 adjacent to each other to fill the gaps.

After the secondary insulation panel 40 is installed in this manner, a secondary barrier 30 made of a metal sheet is installed on the secondary insulation panel 40, and a secondary barrier 30 is formed on the secondary barrier 30, So that the heat insulating panel 20 is fixed by the panel fixing device 100.

2 to 5, the panel fixing device 100 includes a stud bolt 110 installed so as to protrude above the upper secondary reinforcing plate 42 of the secondary thermal insulating panel 40, Shaped fixing member (not shown) formed with a through hole 121 which is press-fitted and fixed to a corner portion or a side end of the primary lower reinforcing plate 23 of the main body 20 and connected to the stud bolt 110 And a tightening nut 130 fastened to the stud bolt 110 so as to press the fixing member 120.

1 and 3, the primary heat insulating panel 20 includes a first heat insulating member 21 and a first upper heat insulating member 21 in a region above the fastening portion 25 for mounting the disk- (26) which is opened to have a fan-shaped or semicircular cross-sectional structure in a part of the opening (22). The opening portion 26 forms a cylindrical space together with the opening portion 25 of the adjacent primary heat insulating panel 20. The cylindrical space has a cylindrical stopper 27 Lt; / RTI >

Since the fixing member 120 is disc-shaped, the panel fixing device 100 can not only be fastened to the latching portion 25 provided at the corner of the primary heat insulating panel 20 but also to the side of the primary heat insulating panel 20 And can be used for binding the latching portion 25 provided. In other words, since corner portions and side ends of the primary heat insulating panel 20 can be bound together using the same panel fixing device 100, installation work is easy and components can be easily managed. Can be reduced.

4 and 5, a coupling member 45 made of a metal material may be installed in the secondary upper side reinforcing plate 42 of the secondary insulation panel 40 to mount the stud bolt 110 .

The fixing member 120 is formed in an inverted trapezoidal shape so that the peripheral portion 122 contacts the upper surface of the engaging portion 25 of the primary heat insulating panel 20 and is connected to the center portion 123, Is spaced apart from the latching portion 25 of the primary heat insulating panel 20. Accordingly, when the peripheral edge portion 122 is tightened, the primary heat insulating panel 20 can be firmly bound by pressing the fastening portion 25 of the primary heat insulating panel 20 with a large force.

 After the disk-shaped fixing member 120 is fastened with the tightening nut 130 to fasten the primary heat insulating panel 20, the cylindrical stopper 27 is fastened to the opening 26 on the upper side of the fixing member 120, So that the heat insulation of the heat exchanger can be maintained. As shown in Fig. 1, the opening portion 26 provided for fastening the panel fixing device 100 is provided with a cap (not shown) installed at the corner portion and the side end of the primary heat insulating panel 20 27) can be used. Therefore, the installation process can be simplified.

After the primary insulation panel 20 is installed in this manner, the installation of the cargo barrier structure can be completed by installing the primary barrier 10 on the primary insulation panel 20.

10: primary barrier, 20: primary insulation panel,
21: primary heat insulating member, 22: primary upper side reinforcing plate,
23: primary lower reinforcing plate, 26: opening,
27: plug, 30: secondary barrier,
40: secondary insulation panel, 41: secondary insulation member,
42: second upper side reinforcing plate, 43: second lower side reinforcing plate,
100: a panel fixing device, 110: a stud bolt,
120: fixing member, 130: tightening nut.

Claims (7)

A panel fixing device for a liquefied gas cargo window in which a primary heat insulating panel is fixed on a secondary heat insulating panel installed on an inner wall side of a cargo hold,
A stud bolt fixed to the secondary insulation panel,
A disk-shaped fixing member for pressing and fixing the engagement portion of the primary heat insulating panel and having a through hole coupled to the stud bolt at its center,
And a tightening nut fastened to the stud bolt to press the fixing member. The method according to claim 1,
Wherein the fixing member has a periphery contacting with the engaging portion of the primary heat insulating panel when fastened and a central portion engaging with the stud bolt being spaced apart from the fastening portion of the primary heat insulating panel. A primary barrier wall surrounding the liquefied gas receiving space, a primary insulation panel provided outside the primary barrier, a secondary barrier surrounding the outside of the primary insulation panel, and a secondary barrier provided outside the secondary barrier And a panel fixing device for fixing the primary heat insulating panel to the secondary heat insulating panel,
The panel fixing device includes:
A stud bolt fixed to the secondary insulation panel,
A disk-shaped fixing member for pressing and fixing the engagement portion of the primary heat insulating panel and having a through hole coupled to the stud bolt at its center,
And a tightening nut fastened to the stud bolt to press the fixing member. The method of claim 3,
Wherein the fixing member has a periphery contacting with the latching portion of the primary heat insulating panel at the time of clamping and a central portion coupled with the stud bolt being spaced apart from the latching portion of the primary heat insulating panel. The method of claim 3,
The secondary thermal insulating panel includes a secondary thermal insulating member, a secondary upper side reinforcing plate coupled to the upper side of the secondary thermal insulating member, and a coupling member provided inside the secondary upper side reinforcing plate for mounting the stud bolt Liquefied gas hold. The method of claim 3,
The primary heat insulating panel includes a primary heat insulating member, a primary upper side reinforcing plate coupled to the upper side of the primary heat insulating member, and a lower heat insulating member joined to the lower side of the primary heat insulating member and fixed to the corner portion and the side end by the fixing member And a first lower reinforcing plate provided with the latching portion. The method according to claim 6,
Wherein the primary heat insulating panel has an opening portion opened to have a sectorial or semicircular cross-sectional structure in the primary heat insulating member and the primary upper side reinforcing plate portion of the upper region of the fastening portion for installing the fixing member,
The openings form a cylindrical space together with openings of other adjacent primary heat-insulating panels,
Wherein the cylindrical space is closed by a cylindrical stopper which is mounted after the fixing member is installed.
KR1020160023875A 2016-02-29 2016-02-29 Panel fixing device for liquefied gas tank, and liquefied gas tank having the same KR101814445B1 (en)

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KR1020160023875A KR101814445B1 (en) 2016-02-29 2016-02-29 Panel fixing device for liquefied gas tank, and liquefied gas tank having the same

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KR1020160023875A KR101814445B1 (en) 2016-02-29 2016-02-29 Panel fixing device for liquefied gas tank, and liquefied gas tank having the same

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KR20170102080A true KR20170102080A (en) 2017-09-07
KR101814445B1 KR101814445B1 (en) 2018-01-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190058121A (en) * 2017-11-21 2019-05-29 대우조선해양 주식회사 Insulation system of natural gas cargo and securing apparatus thereof
WO2020188107A1 (en) * 2019-03-21 2020-09-24 Gaztransport Et Technigaz Thermally insulating sealed tank

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101571414B1 (en) * 2014-06-05 2015-11-25 삼성중공업 주식회사 Apparatus for fixing insulation planel of cargo tank

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190058121A (en) * 2017-11-21 2019-05-29 대우조선해양 주식회사 Insulation system of natural gas cargo and securing apparatus thereof
WO2020188107A1 (en) * 2019-03-21 2020-09-24 Gaztransport Et Technigaz Thermally insulating sealed tank
FR3094071A1 (en) * 2019-03-21 2020-09-25 Gaztransport Et Technigaz Sealed and thermally insulating tank
KR20200127011A (en) * 2019-03-21 2020-11-09 가즈트랑스포르 에 떼끄니가즈 Sealed and Insulated Tank
JP2022525529A (en) * 2019-03-21 2022-05-17 ギャズトランスポルト エ テクニギャズ Sealed insulation tank

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