CN112937796A - Supporting device for three-way low-temperature pipe of thin-film LNG ship - Google Patents
Supporting device for three-way low-temperature pipe of thin-film LNG ship Download PDFInfo
- Publication number
- CN112937796A CN112937796A CN202110444253.8A CN202110444253A CN112937796A CN 112937796 A CN112937796 A CN 112937796A CN 202110444253 A CN202110444253 A CN 202110444253A CN 112937796 A CN112937796 A CN 112937796A
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- supporting
- lng ship
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- supporting frame
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- 239000010409 thin film Substances 0.000 title claims description 6
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000011810 insulating material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 2
- 239000000463 material Substances 0.000 description 7
- 239000010408 film Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Robotics (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a supporting device of a three-way low-temperature pipe of a film type LNG ship, which comprises two groups of adjusting assemblies arranged in parallel, a supporting frame arranged at the tops of the two groups of adjusting assemblies, and a web plate arranged on the supporting frame, wherein a cross beam parallel to the two groups of adjusting assemblies is connected between the two groups of adjusting assemblies, a bearing column vertical to the cross beam is arranged on the cross beam, a longitudinal beam fixed with the bottom of the supporting frame is stacked on the bearing column, a ribbed plate is fixed in a frame body of the supporting frame, the top of the ribbed plate is welded and fixed with the web plate, and the three-way low-temperature pipe is supported on the web plate. The invention can prevent stress from concentrating on the clamping forks of the transverse and longitudinal branch pipes so as to prevent the structural unit at the position from being damaged, and effectively solves the problem of fixing and supporting the large-drift-diameter three-way connecting piece in the low-temperature piping system of the LNG ship.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a supporting device for a three-way low-temperature pipe of a film type LNG ship.
Background
The liquid cargo treatment system of the LNG ship is composed of a plurality of cryogenic units, in some cryogenic units, especially cryogenic units with large pipe diameter sizes, the situation that stress concentration is often generated at the tee joint of cryogenic pipes and exceeds allowable stress is often generated, and the traditional treatment method mostly solves the problem by changing the pipeline trend. Such methods not only increase the workload of designers, but also occupy more space on decks with limited space, and increase the difficulty of installation and maintenance.
Disclosure of Invention
In view of the above, the present invention provides a supporting device for a three-way cryogenic pipe of a thin-film LNG ship, which can prevent stress from concentrating at a fork of a horizontal branch pipe and a vertical branch pipe only by supporting and limiting the vertical branch pipe with a severe longitudinal load, so as to prevent a structural unit at the position from being damaged, and effectively solve the problem of fixing and supporting a large-drift-diameter three-way connecting piece in a low-temperature piping system of an LNG ship.
The utility model provides a strutting arrangement of film type LNG ship tee bend cryogenic tube, includes two sets of parallel arrangement's adjustment subassembly, sets up the braced frame at two sets of adjustment subassembly tops and sets up the web on braced frame, be connected with the crossbeam that parallels rather than between two sets of adjustment subassemblies, be provided with on the crossbeam rather than the looks vertically heel post, stack on the heel post with braced frame's bottom is fixed longeron, braced frame's support body internal fixation has the floor, the top and the web welded fastening of floor, tee bend cryogenic tube supports on the web.
Preferably, the bottom of the adjusting component is also provided with a tray for supporting the adjusting component.
Preferably, the adjusting assembly comprises an adjusting wedge arranged oppositely up and down and an adjusting bolt penetrating through the upper adjusting wedge and the lower adjusting wedge.
Preferably, the bottom of the support frame is further provided with an insulating material.
Preferably, the insulating material can be PTFE plastic.
Preferably, the support frame is a C-shaped steel with a U-shaped groove in the middle, and the web is clamped in the U-shaped groove.
Preferably, the shape of the web matches the shape of a three-way cryostraw.
Preferably, the ribs are in a crisscross structure.
Preferably, the supporting frame, the web plate and the rib plate are made of 316L low-temperature stainless steel materials.
The invention has the beneficial effects that:
1. the support device has a simple structure, is convenient to install and use, can effectively improve the stress concentration condition of the connecting part of the transverse and longitudinal tee low-temperature pipes only by supporting and limiting the longitudinal branch pipe with serious longitudinal load, avoids the damage of the structural unit at the connecting position of the transverse and longitudinal tee low-temperature pipes, effectively reduces the using amount of pipe clamps, reduces the production cost of enterprises, and provides technical support and reference for the subsequent installation and fixation of the LNG ship tee low-temperature pipe.
2. The supporting device occupies less supporting space, greatly saves the operating space on the deck, and can leave more arrangement space for other pipelines or equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a top view of the present invention.
The reference numerals in the figures have the meaning:
the structure comprises a web plate 1, a support frame 2, a ribbed plate 3, an insulating material 4, an adjusting wedge 5, an adjusting bolt 6, a cross beam 7, a bearing column 8, a longitudinal beam 9, a tray 10 and a three-way low-temperature pipe 11.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The application discloses a supporting device of a three-way low-temperature pipe of a film type LNG ship, which aims at preventing the stress from concentrating at the cross position of a transverse pipe and a longitudinal pipe so as to damage the pipe fitting structure at the cross position, can effectively improve the stress concentration condition of the connection position of the transverse pipe and the longitudinal pipe, and simultaneously reduces the using quantity of pipe clamps. The supporting device occupies less supporting space, and can leave more arrangement space for other pipelines or equipment.
The invention provides a supporting device of a three-way low-temperature pipe of a thin film type LNG ship, which comprises two groups of adjusting assemblies arranged in parallel, a supporting frame 2 arranged at the tops of the two groups of adjusting assemblies, and a web plate 1 arranged on the supporting frame 2.
A cross beam 7 parallel to the two groups of adjusting assemblies is connected between the two groups of adjusting assemblies, a bearing column 8 vertical to the cross beam 7 is arranged on the cross beam 7, and a longitudinal beam 9 fixed with the bottom of the supporting frame 2 is stacked on the bearing column 8. The crossbeam 7 is used for connecting two sets of adjusting parts, can heighten adjusting part's atress ability simultaneously. The longitudinal beam 9 can enlarge the supporting surface of the supporting frame 2 so as to reduce the stress condition of the adjusting bolt 6, and the cross beam 7 and the longitudinal beam 9 are both formed by cutting square steel in equal thickness. The bearing column 8 is a main stress supporting part which can be formed by cutting square steel, and the height of the bearing column is equal to the distance between the front group of adjusting components and the rear group of adjusting components.
The two groups of adjusting assemblies have the same structure and respectively comprise an adjusting wedge 5 which is arranged oppositely up and down and an adjusting bolt 6 which penetrates through the upper adjusting wedge 5 and the lower adjusting wedge 5, the adjusting wedge positioned above is used for supporting the supporting frame 2, and the adjusting wedge positioned below is welded and fixed on a hull structural member or a tray 10. The adjusting wedge 5 can be made of square steel, end faces capable of containing adjusting bolts and nuts are milled at two ends of the square steel, and the type of the square steel adopted by the adjusting wedge 5 is the same as that of the square steel adopted by the cross beam 7 and the longitudinal beam 9.
The adjusting assembly can adjust the installation height of the three-way low-temperature pipe 11, and can maintain the height of the three-way low-temperature pipe 11 from the ground unchanged by adding other heightening objects through adjusting the height when the longitudinal beam 9 is worn after being used for a long time, so that the stress condition of the pipe system is prevented from being continuously worsened.
The supporting frame 2 is C-shaped steel with a U-shaped groove in the middle. When the supporting frame 2 is manufactured, a U-shaped groove is milled along the width direction of the C-shaped steel from the gravity center position of the C-shaped steel, the depth of the U-shaped groove ensures that the bottom surface of the C-shaped steel is tangent to the outer edge of the flange, so that the bottom surface of the C-shaped steel can be regarded as the lowest horizontal plane of the three-way low-temperature pipe 11, and the three-way low-temperature pipe 11 can be conveniently installed. In order to better support the three-way cryogenic tube 11, the rib plates 3 may be fixed in the frame body of the support frame 2, and the material of the rib plates 3 is the same as that of the support frame 2, in this embodiment, the support frame 2 and the rib plates 3 are made of 316L low-temperature stainless steel material, and the rib plates 3 are in a cross structure.
The web plate 1 is clamped in the U-shaped groove, and the three-way low-temperature pipe 11 is supported on the web plate 1. The shape of the web plate 1 is matched with that of the three-way low-temperature pipe 11, and the web plate 1 is respectively welded and fixed with the support frame 2 and the three-way low-temperature pipe 11. When the web plate 1 is installed, the web plate 1 is parallel to the gravity direction borne by the tee-joint low-temperature pipe 11, in the embodiment, the web plate 1 is an arc-shaped plate, and the web plate 1 is made of 316L low-temperature stainless steel materials.
The web plate 1, the supporting frame 2 and the ribbed plate 3 which are in direct contact with the insulating layer for coating the low-temperature tube are all made of 316L low-temperature stainless steel materials, and other parts are made of common stainless steel materials. In order to avoid electrochemical corrosion between different metals, the bottom of the supporting frame can be provided with an insulating material 4 to isolate direct contact between two metals, in this embodiment, the insulating material 4 is made of PTFE plastic, and other materials of the same type can be adopted.
In practical use, the adjusting assemblies can be directly welded and fixed on ship body supporting members such as ship body decks and I-shaped steel according to field conditions, namely the adjusting wedges 5 and the cross beams 7 which are positioned below the front and the rear adjusting assemblies are welded and fixed on the ship body supporting members. When the tray 10 can be mounted, the tray 10 may be welded and fixed to the hull support member, and the adjustment unit may be welded and fixed to the tray 10. The tray 10 is used as a main stress supporting part, and reinforcing ribs can be additionally welded at the main stress position of the tray to improve the structural strength and enhance the supporting capability of the tray.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The supporting device for the three-way cryogenic pipe of the thin-film LNG ship is characterized by comprising two groups of adjusting assemblies arranged in parallel, a supporting frame arranged at the tops of the two groups of adjusting assemblies, and a web plate arranged on the supporting frame, wherein a cross beam parallel to the two groups of adjusting assemblies is connected between the two groups of adjusting assemblies, a bearing column perpendicular to the cross beam is arranged on the cross beam, a longitudinal beam fixed to the bottom of the supporting frame is stacked on the bearing column, a rib plate is fixed to the inside of a support body of the supporting frame, the top of the rib plate is welded and fixed to the web plate, and the three-way cryogenic pipe is supported on the web plate.
2. The apparatus for supporting three-way cryogenic pipe of membrane type LNG ship according to claim 1, wherein the bottom of said adjustment assembly is further provided with a tray for supporting the adjustment assembly.
3. The apparatus for supporting three-way cryogenic pipes of a membrane type LNG ship according to claim 1 or 2, wherein the adjusting assembly comprises adjusting wedges disposed opposite to each other up and down and an adjusting bolt passing through the upper and lower adjusting wedges.
4. The support device of a three-way cryogenic pipe of a membrane-type LNG ship according to claim 1, wherein an insulating material is further provided at the bottom of the support frame.
5. The support device for the three-way cryogenic pipe of a membrane-type LNG ship as claimed in claim 4, wherein the insulating material is PTFE plastic.
6. The supporting device for the three-way cryogenic pipe of the thin film type LNG ship as claimed in claim 1 or 4, wherein the supporting frame is C-shaped steel provided with a U-shaped groove in the middle, and the web is clamped in the U-shaped groove.
7. The support apparatus of a three-way cryogenic pipe of a membrane-type LNG ship according to claim 6, wherein the web has a shape matching the shape of the three-way cryogenic pipe.
8. The apparatus of claim 1, wherein the ribs have a cross structure.
9. The apparatus as claimed in claim 1, wherein the support frames, the webs and the ribs are made of 316L low temperature stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444253.8A CN112937796A (en) | 2021-04-23 | 2021-04-23 | Supporting device for three-way low-temperature pipe of thin-film LNG ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444253.8A CN112937796A (en) | 2021-04-23 | 2021-04-23 | Supporting device for three-way low-temperature pipe of thin-film LNG ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112937796A true CN112937796A (en) | 2021-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110444253.8A Pending CN112937796A (en) | 2021-04-23 | 2021-04-23 | Supporting device for three-way low-temperature pipe of thin-film LNG ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112937796A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108249A (en) * | 1997-10-03 | 1999-04-20 | Osaka Gas Co Ltd | Supporting structure for low temperature pipe |
| JP2008248992A (en) * | 2007-03-29 | 2008-10-16 | Osaka Gas Co Ltd | Support device of low temperature fluid transfer tube |
| CN203927077U (en) * | 2014-06-24 | 2014-11-05 | 中国石油天然气第一建设公司 | The spacing cold insulation pipe carrier of a kind of cryogenic piping without technique weld bond |
| CN206582404U (en) * | 2017-03-09 | 2017-10-24 | 佛山市顺德区港华燃气有限公司 | A kind of LNG vaporization station pipeline locating rack |
| CN207438036U (en) * | 2017-11-28 | 2018-06-01 | 江苏环宇建设工程有限公司 | A kind of cryogenic piping mounting structure |
| CN208453215U (en) * | 2018-06-14 | 2019-02-01 | 招商局重工（江苏）有限公司 | A kind of LNG ship cargo tube end pipe holder |
| CN111637301A (en) * | 2020-07-03 | 2020-09-08 | 山东钢铁股份有限公司 | High-pressure three-way support device and using method thereof |
| CN212056139U (en) * | 2020-05-12 | 2020-12-01 | 浙江海洋大学 | Supporting device for reducing stress of LNG power ship pipeline |
| CN212251579U (en) * | 2020-06-04 | 2020-12-29 | 邹洪亮 | Natural gas line convenient to installation |
| CN112344101A (en) * | 2020-09-24 | 2021-02-09 | 沪东中华造船(集团)有限公司 | LNG ship filling pipe fixing pipe clamp and fixing method |
-
2021
- 2021-04-23 CN CN202110444253.8A patent/CN112937796A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108249A (en) * | 1997-10-03 | 1999-04-20 | Osaka Gas Co Ltd | Supporting structure for low temperature pipe |
| JP2008248992A (en) * | 2007-03-29 | 2008-10-16 | Osaka Gas Co Ltd | Support device of low temperature fluid transfer tube |
| CN203927077U (en) * | 2014-06-24 | 2014-11-05 | 中国石油天然气第一建设公司 | The spacing cold insulation pipe carrier of a kind of cryogenic piping without technique weld bond |
| CN206582404U (en) * | 2017-03-09 | 2017-10-24 | 佛山市顺德区港华燃气有限公司 | A kind of LNG vaporization station pipeline locating rack |
| CN207438036U (en) * | 2017-11-28 | 2018-06-01 | 江苏环宇建设工程有限公司 | A kind of cryogenic piping mounting structure |
| CN208453215U (en) * | 2018-06-14 | 2019-02-01 | 招商局重工（江苏）有限公司 | A kind of LNG ship cargo tube end pipe holder |
| CN212056139U (en) * | 2020-05-12 | 2020-12-01 | 浙江海洋大学 | Supporting device for reducing stress of LNG power ship pipeline |
| CN212251579U (en) * | 2020-06-04 | 2020-12-29 | 邹洪亮 | Natural gas line convenient to installation |
| CN111637301A (en) * | 2020-07-03 | 2020-09-08 | 山东钢铁股份有限公司 | High-pressure three-way support device and using method thereof |
| CN112344101A (en) * | 2020-09-24 | 2021-02-09 | 沪东中华造船(集团)有限公司 | LNG ship filling pipe fixing pipe clamp and fixing method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |