CN113682430A - Insulated mounting method for top rolling-stopping support of B-type independent liquid cargo tank - Google Patents
Insulated mounting method for top rolling-stopping support of B-type independent liquid cargo tank Download PDFInfo
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- CN113682430A CN113682430A CN202111093608.XA CN202111093608A CN113682430A CN 113682430 A CN113682430 A CN 113682430A CN 202111093608 A CN202111093608 A CN 202111093608A CN 113682430 A CN113682430 A CN 113682430A
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- Prior art keywords
- support
- cargo tank
- liquid cargo
- rolling
- hole
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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
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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
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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
- 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
Abstract
The invention relates to an insulating installation method of a top rolling-stopping support for a B-type independent liquid cargo tank, which comprises the following steps: 1. mounting a top rolling-stopping support; 2. welding a fixing stud; 3. a filling hole and a limiting hole are formed in the lower anti-rolling support panel, and a limiting groove is formed in the support area insulation module corresponding to the limiting hole; 4. inserting a limiting pin into the limiting groove from the limiting hole; 5. after the open cavity is sealed, liquid resin is poured into the cavity from the pouring hole until the liquid resin overflows from the pouring hole, and solidification is waited; 6. a through hole is formed in the non-support area insulation module and sleeved on the fixing stud and fixed by a nut; 7. and pouring resin into the gap between the non-support area insulation module and the support area insulation module. The insulating installation method effectively solves the problem of high insulating installation difficulty of the top anti-rolling support, and the problem of heat leakage near the top anti-rolling support can be effectively avoided by the installed support area insulating module and the non-support area insulating module.
Description
Technical Field
The invention relates to the field of ship construction, in particular to an insulating mounting method for a top rolling-stopping support of a B-type independent liquid cargo tank.
Background
LNG is a clean energy source in the future and has wide application prospect as a power fuel for ships. The type B cabin is used as a liquid cargo containment system type allowed by an IGC rule and applied to LNG transport ships and container cabins, and has the advantages of flexible design type, good sloshing performance, short construction period, autonomous controllability and the like. The type B independent liquid cargo tank is filled with liquid LNG with the temperature of 163 ℃ below zero, and in order to prevent external heat from entering the inside of the liquid cargo tank and reduce the evaporation capacity of liquid cargo, an insulating material needs to be arranged on the outer surface of the type B independent tank body.
Different from other independent liquid cargo tanks, the installation method and the precision requirement of the B-type independent liquid cargo tank are higher. According to the IGC requirement, partial secondary shielding needs to be arranged on the B-type independent cabin, the whole liquid cargo containment system needs to be subjected to complex crack propagation and leakage amount analysis and calculation, so that the liquid cargo containment system can contain any goods expected to leak within 15 days, and according to the past design experience, liquid leakage generated at fatigue cracks of the B-type cabin structure is collected to a liquid receiving disc at the bottom of the B-type cabin through the wall surface of the liquid cabin structure for subsequent collection and treatment. Therefore, a certain distance gap needs to be arranged between the outer shell insulation of the B-type tank and the outer surface of the structure of the tank body, the design requirement causes that the insulation design method and the installation mode of the outer side of the tank body of the B-type tank are different from those of other liquid cargo tanks, the installation of the insulation layer of the main body part of the B-type tank needs to adopt a block-shaped installation mode, and the technical requirement of the installation process is high.
The top of the independent liquid cargo tank of B type ends the roll support and installs the intermediate position at the liquid cargo tank top surface, plays the effect of the independent liquid cargo tank lateral displacement of restriction B type, because at the normal operation in-process of boats and ships, the hull lateral acceleration load is great to cause and ends that the bearing structure atress is great, for having adopted the cross board design in guaranteeing its structural strength this support design, consequently lead to the insulating block installation degree of difficulty increase near it, also appear carelessly loudly easily and cause hull structure to destroy, there is great potential safety hazard.
Disclosure of Invention
In order to solve the technical problems, the invention provides an insulating mounting method of a top rolling-stopping support for a B-type independent liquid cargo tank, which reduces the mounting difficulty and avoids damaging a hull structure.
The technical purpose of the invention is realized by the following technical scheme:
a top rolling-proof support insulation mounting method for a B-type independent liquid cargo tank comprises the following steps:
step 4, inserting one end of the support area insulation module, which is provided with a limiting groove, into a cavity at the lower end of the lower anti-rolling support panel, aligning the limiting groove with a limiting hole, and inserting a limiting pin into the limiting groove from the limiting hole;
and 7, pouring a resin material into the gap between the non-support area insulation module and the support area insulation module.
Furthermore, a cylindrical pit is formed in the upper end of the through hole, the caliber of the pit is larger than the aperture of the through hole, and the nut is installed in the pit.
Further, after the nut is installed in the pit, glass filling cotton is filled in the pit, and then sealing aluminum foil cloth is adhered to the non-support area insulating module to seal the upper end of the pit.
Further, before installing the support area insulation module and the non-support area insulation module, a resin cushion block is installed on the top of the B-type independent liquid cargo tank, and the resin cushion block is supported below the support area insulation module and the non-support area insulation module.
Further, the spacer pin is a wooden spacer pin.
Further, cleaning the surface of the B-type independent liquid cargo tank and the surface of the fixing stud after the fixing stud is welded, spraying antirust primer on the surface of the B-type independent liquid cargo tank, the surface of the fixing stud and the surface of the top rolling-stop support after cleaning, and then spraying an anticorrosive layer on the surface of the B-type independent liquid cargo tank.
Furthermore, the spacing pin is inserted into the spacing groove in a clearance mode, and liquid resin fills the clearance between the spacing pin and the spacing groove when the liquid resin is poured.
The container ship with the B-type independent liquid cargo tank comprises the B-type independent liquid cargo tank, a top rolling-stopping support, a support area insulation module and a non-support area insulation module, wherein the top rolling-stopping support is installed at the top of the B-type independent liquid cargo tank, the support area insulation module is installed below the top rolling-stopping support, the non-support area insulation module is installed on the periphery of the top rolling-stopping support, and the support area insulation module and the non-support area insulation module are installed according to the method.
Compared with the prior art, the method for the insulated installation of the top transverse-rolling-preventing support of the B-type independent liquid cargo tank has the advantages that the problem that the insulated installation difficulty of the top transverse-rolling-preventing support of the B-type independent liquid cargo tank is high is effectively solved, the problem that an insulating module of a support area is difficult to fix is solved through the design of the limiting pin, and the problem that heat leaks around the top transverse-rolling-preventing support of the B-type independent liquid cargo tank can be effectively solved through the support area insulating module and the non-support area insulating module installed through the method.
Drawings
Fig. 1 is a schematic view showing the installation position of the top anti-roll stand for the independent liquid cargo tank of type B according to the present invention.
Fig. 2 is a schematic structural view of the top anti-roll support for the independent liquid cargo tank type B according to the present invention.
Fig. 3 is a schematic view of the mounting of the pedestal area insulation module in the present invention.
Fig. 4 is a schematic view of the cross toggle structure of the present invention.
Fig. 5 is a schematic view of the non-support area insulation module installation of the present invention.
Fig. 6 is a schematic view of the installation of the limit pin according to the present invention.
FIG. 7 is a schematic view of the mounting of the fixing stud of the present invention.
Fig. 8 is a view a-a of fig. 5.
In the figure, 1, a container ship body structure; 2. a B-type independent liquid cargo tank; 3. a rolling-proof support at the top of the B-type cabin; 4. a cross toggle plate; 5. a lower anti-roll support panel; 6. a support structure; 7. resin cushion blocks; 8. a support area insulation module; 9. a spacing pin; 10. a resin; 11. a laminated wood mounting groove; 12. a support panel; 13. a support plate; 14. a toggle plate; 15. a perfusion hole; 16. a limiting hole; 17. a limiting groove; 18. fixing the stud; 19. a non-support area insulation module; 20. sealing the aluminum foil cloth; 21. filling glass with cotton; 22. a nut; 23. a resin gasket; 24. a through hole; 25. a pit; 3-1, an upper hull roll-stopping support; 3-2, laminating wood; 3-3, and a lower liquid cargo tank rolling-stop support.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
a top rolling-stopping support insulating installation method for a B-type independent liquid cargo tank is used for insulating installation of the top rolling-stopping support of the B-type independent liquid cargo tank, and a B-type tank top rolling-stopping support 3 is installed in the middle of the top of a B-type independent liquid cargo tank 2 on a container ship to play a role in limiting the transverse displacement of the B-type independent liquid cargo tank 2. The B-type tank top anti-rolling support 3 comprises an upper ship body anti-rolling support 3-1, laminated wood 3-2 and a lower liquid cargo tank anti-rolling support 3-3, wherein the lower liquid cargo tank anti-rolling support 3-3 is installed at the top of the B-type independent liquid cargo tank 2, the laminated wood 3-2 is fixed on two sides of the lower liquid cargo tank anti-rolling support 3-3 close to the upper end, and the upper ship body anti-rolling support 3-1 is clamped on two sides of the laminated wood 3-2 on two sides of the lower liquid cargo tank anti-rolling support 3-3.
Specifically, the lower cargo tank rolling-stopping support 3-3 comprises a cross-shaped toggle plate 4, a lower rolling-stopping support panel 5 and a support structure 6, the cross-shaped toggle plate 4 is fixed at the top of the B-type independent cargo tank 2, the lower rolling-stopping support panel 5 is fixedly installed at the upper end of the cross-shaped toggle plate 4, and the support structure 6 is fixed at the upper end of the lower rolling-stopping support panel 5. The crossed toggle plates 4 comprise a plurality of cross toggle plates 14 of the longitudinal girders, and the toggle plates 14 are in an isosceles trapezoid shape; a cavity is formed between the toggle plates 14 below the lower anti-roll stand panel 5. The support structure 6 includes support plates 13 arranged to intersect vertically and support panels 12 arranged on the upper end faces of the support plates 13. A laminated wood mounting groove 11 is respectively arranged at both sides of the supporting structure 6, the laminated wood 3-2 is mounted in the laminated wood mounting groove 11, and the laminated wood 3-2 is bonded in the laminated wood mounting groove 11 by glue.
When the insulation is installed, the method comprises the following steps:
And 3, forming a filling hole 15 and a limiting hole 16 on the lower anti-rolling support panel 5, prefabricating the support area insulating module 8, and forming a limiting groove 17 on the support area insulating module 8 corresponding to the limiting hole 16.
Step 4, inserting one end, provided with a limiting groove 17, of the support area insulation module 8 into a cavity in the lower end of the lower anti-rolling support panel 5, aligning the limiting groove 17 with the limiting hole 16, inserting the limiting pin 9 into the limiting groove 17 from the limiting hole 16, inserting the limiting pin 9 into the limiting groove 17 in a clearance mode, filling the clearance between the limiting pin 9 and the limiting groove 17 with liquid resin during resin filling, and selecting a wood limiting pin as the limiting pin to prevent cold conduction. The resin in the embodiment is low-temperature resin, and the resin in the embodiment is low-temperature resistant epoxy resin with the type number of phillymatic TG-7B.
And 5, after the open cavity is sealed, pouring liquid resin 10 into the cavity from the pouring hole 15 until the resin 10 overflows from the pouring hole 15, and removing the seal after the liquid resin is solidified. Select for use the aluminum plate structure during sealed cavity, according to the shape of B type cabin roof portion end roll support and support regional insulation module to confirm aluminum plate's shape and size, as long as can guarantee that the resin can not follow the regional outflow cavity beyond the infusion hole 15 when pouring.
And 6, installing the non-support area insulating module 19, arranging a through hole 24 on the non-support area insulating module 19, arranging a cylindrical pit 25 at the upper end of the through hole 24, wherein the caliber of the pit 25 is larger than the aperture of the through hole 24, installing a nut 22 in the pit 25, placing a resin gasket 23 between the nut 22 and the pit 25, sleeving the through hole and the nut 24 of the non-support area insulating module 19 on the fixing stud 18, and installing the nut 22 at the upper end of the fixing stud 18 to fix the non-support area insulating module 19. After the nut 22 is installed in the pit 25, the pit 25 is filled with glass filling wool 21 (glass wool), and then the upper end of the pit 25 is sealed by adhering sealing aluminum foil cloth 20 to the upper end of the non-support area insulation module 19, so that the air tightness of the insulation module in the area is fully ensured.
And 7, pouring resin 10 into the gaps among the non-support area insulation modules 19, and pouring resin 10 into the gaps of the support area insulation modules 8.
Before installing the support area insulation module 8 and the non-support area insulation module 19, installing a resin cushion block 7 on the top of the B-type independent liquid cargo tank 2, wherein the resin cushion block 7 is supported below the support area insulation module 8 and the non-support area insulation module 19, and the support area insulation module 8 and the non-support area insulation module 19 are both made of polyurethane foam materials.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (8)
1. A top rolling-prevention support insulating installation method for a B-type independent liquid cargo tank is characterized by comprising the following steps:
step 1, installing a top transverse-motion-preventing support at the top of a B-type independent liquid cargo tank, wherein the top transverse-motion-preventing support comprises a lower liquid cargo tank transverse-motion-preventing support, the lower liquid cargo tank transverse-motion-preventing support comprises a cross-shaped bracket and a lower transverse-motion-preventing support panel, the cross-shaped bracket is fixed at the top of the B-type independent liquid cargo tank, the lower transverse-motion-preventing support panel is installed and fixed at the upper end of the cross-shaped bracket, and an open cavity is formed in the side surface of the cross-shaped bracket;
step 2, welding a fixing stud at the top of the B-type independent liquid cargo tank;
step 3, arranging a filling hole and a limiting hole on a lower anti-rolling support panel, prefabricating a support area insulating module, and arranging a limiting groove on the support area insulating module corresponding to the limiting hole;
step 4, inserting one end of the support area insulation module, which is provided with a limiting groove, into a cavity at the lower end of the lower anti-rolling support panel, aligning the limiting groove with a limiting hole, and inserting a limiting pin into the limiting groove from the limiting hole;
step 5, after the open cavity is sealed, pouring liquid resin into the cavity from the pouring hole until the liquid resin overflows from the pouring hole, and removing the seal after the liquid resin is solidified;
step 6, installing a non-support area insulation module, arranging a through hole on the non-support area insulation module, sleeving the through hole of the non-support area insulation module on a fixing stud, and installing a nut at the upper end of the fixing stud to fix the non-support area insulation module;
and 7, pouring a resin material into the gap between the non-support area insulation module and the support area insulation module.
2. The method for the insulated installation of the top rolling-stop support for the B-type independent liquid cargo tank as claimed in claim 1, wherein a cylindrical pit is formed in the upper end of the through hole, the caliber of the pit is larger than that of the through hole, and a nut is installed in the pit.
3. The method for installing the top rolling-stop support for the independent liquid cargo tank of the B type as claimed in claim 2, wherein after the nut is installed in the pit, glass filling cotton is filled in the pit, and then sealing aluminum foil cloth is adhered to the insulation module in the non-support area to seal the upper end of the pit.
4. The method of claim 1, wherein a resin spacer is installed on top of the type B tank prior to installing the pedestal area insulation modules and the non-pedestal area insulation modules, the resin spacer being supported below the pedestal area insulation modules and the non-pedestal area insulation modules.
5. The insulated mounting method of the top rolling-stop support for the B-type independent liquid cargo tank is characterized in that the limiting pin is a wood limiting pin.
6. The method for installing the insulating tank with the top anti-rolling support for the B-type independent liquid cargo tank is characterized in that the surface of the B-type independent liquid cargo tank and the surface of the fixing stud are cleaned after the fixing stud is welded, rust-proof primer is sprayed on the surface of the B-type independent liquid cargo tank, the surface of the fixing stud and the surface of the top anti-rolling support after the cleaning is finished, and then an anti-corrosion layer is sprayed on the surface of the B-type independent liquid cargo tank.
7. The method for installing the top rolling-stop support insulation box for the B-type independent liquid cargo tank as claimed in claim 1, wherein the spacing pin is inserted into the spacing groove in a clearance mode, and liquid resin is filled in the clearance between the spacing pin and the spacing groove when the liquid resin is poured.
8. A container ship having an independent liquid cargo tank of type B, comprising an independent liquid cargo tank of type B, a top roll stand mounted on top of the independent liquid cargo tank of type B, a stand area insulation module mounted below the top roll stand, and a non-stand area insulation module mounted on the periphery of the top roll stand, the stand area insulation module and the non-stand area insulation module being mounted according to the method of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093608.XA CN113682430B (en) | 2021-09-17 | 2021-09-17 | Insulated mounting method for top rolling-stopping support of B-type independent liquid cargo tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093608.XA CN113682430B (en) | 2021-09-17 | 2021-09-17 | Insulated mounting method for top rolling-stopping support of B-type independent liquid cargo tank |
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| CN113682430A true CN113682430A (en) | 2021-11-23 |
| CN113682430B CN113682430B (en) | 2022-08-05 |
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Cited By (2)
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| CN114688454A (en) * | 2021-12-16 | 2022-07-01 | 沪东中华造船(集团)有限公司 | Insulation mounting method for B-type tank support |
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