CN117141674A - Method for modularly constructing large LNG ship cable channel pipe system outfitting - Google Patents
Method for modularly constructing large LNG ship cable channel pipe system outfitting Download PDFInfo
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- CN117141674A CN117141674A CN202311126873.2A CN202311126873A CN117141674A CN 117141674 A CN117141674 A CN 117141674A CN 202311126873 A CN202311126873 A CN 202311126873A CN 117141674 A CN117141674 A CN 117141674A
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- outfitting
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000013535 sea water Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 239000013505 freshwater Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 description 18
- 239000003973 paint Substances 0.000 description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
Abstract
The invention discloses a method for modularly constructing a large LNG ship cable channel pipe system outfitting, which comprises the steps of installing an outfitting platform, and constructing a platform foundation outfitting module on the outfitting platform along a preset direction; installing system pipeline outfitting brackets and cable combination guide frames on two sides of the platform foundation outfitting module respectively, and forming an outfitting channel between the system pipeline outfitting module and the cable combination guide frame outfitting module; installing a system pipeline module on the system pipeline outfitting bracket; guiding the trend of the ship cable on the cable combination guide frame and supporting the ship cable module; and (5) moving the installed system pipeline module and system cable module out of the outfitting channel and placing the outfitting channel and the system cable module on the bearing bracket. The modularized production and construction mode which takes the channel outfitting outside as the installation reference and the piping unit as the core is designed, the method is suitable for the construction of the cable channel of the large LNG transport ship, and the requirement of fast-paced construction of the ship is met.
Description
Technical Field
The invention belongs to the technical field of LNG transport ship construction, and particularly relates to a modularized construction method for large LNG ship cable channel piping outfitting.
Background
Marine cable duct generally refers to a duct platform for centrally laying full-marine cables. The cable channel positions of the large LNG ship are distributed in the sections on two sides of the ship board between the dome deck and the main deck, penetrate through the inside of the dome deck in the area before the building, and meanwhile, a large number of cables are paved, and meanwhile, a plurality of kinds of pipe-line iron outfitting pieces and electric outfitting pieces are distributed in the large LNG ship. Aiming at the problems of low preassembly completion rate, low quality and the like caused by scattered installation of the current cable channel inner pipe system and outfitting piece, the unit modularization construction technology is utilized to analyze the pipe system and the outfitting piece of the whole ship cable channel, the construction processes of unit redesign, module division, assembly manufacturing, folding and hoisting and the like are researched based on segmentation, the modularized production and assembly modes taking the channel outer outfitting as an installation standard and the pipe system unit as a core are provided, the work of pipe system and outfitting is basically completed in the segmentation preassembling stage, the scattered assembly is changed into integrated manufacture, and the purposes of improving the preassembling rate, enhancing the quality control of the pipe system and reducing the installation quantity during the construction of the ship total section are achieved, thereby shortening the construction period of the ship, improving the construction environment of constructors and improving the labor output.
In the early stage of cable channel construction, the outfitting is pre-buried in place in advance in the segmentation pre-installation period, wherein the outer outfitting comprising a cable guide frame, a channel, a handrail and the like is installed into a segmentation space, the outer outfitting is used as a base frame for installing a pipe system, then the segments are folded to finish the manufacture of a pipe system folding pipe and the folding of the channel outfitting, the three segments are carried in a dock in one folding group, and the pipe system and the constraint bracket with the pipe diameters from large to small are sequentially installed in place in the dock to the dock stage. Because the pipelines are in bulk and the construction and installation of the pipeline system are influenced by the integrity of the ship body structure and the like, part of pipelines are generally pre-installed in the process of sectional manufacturing, and the pipelines are gradually perfected after the structure is complete in the stage of the total section of regional construction, the utilization rate of the total assembly platform is low, the sectional pre-embedding rate is low, the process is relatively lagged, and the requirements of rapid-rhythm construction of ships are not met.
In order to solve the above-mentioned shortcomings, the following solutions are specifically proposed.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides a modularized construction method for large LNG ship cable channel pipe system outfitting, which can solve the technical problems of low utilization rate of a platform and relatively lagging process.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the invention is as follows:
a modular construction method for large LNG ship cable channel piping system outfitting comprises the following steps:
s1: installing an outfitting platform, and constructing a platform foundation outfitting module on the outfitting platform along a preset direction;
s2: installing system pipeline outfitting brackets and cable combination guide frames on two sides of the platform foundation outfitting module respectively, and forming an outfitting channel between the system pipeline outfitting module and the cable combination guide frame outfitting module;
s3: installing a system pipeline module on the system pipeline outfitting bracket;
s4: guiding the trend of the ship cable on the cable combination guide frame and supporting the ship cable module;
s5: and (5) moving the installed system pipeline module and system cable module out of the outfitting channel and placing the outfitting channel and the system cable module on the bearing bracket.
Further, the system pipeline outfitting support is arranged on one side of the longitudinal direction of the ship, and the system pipeline outfitting support is arranged on the ship and is closer to the midship;
the cable combination guide frame is arranged on the other side of the longitudinal direction of the ship and is arranged on the ship and is closer to the side measurement position.
Further, the platform foundation outfitting module comprises a bottom longitudinal beam, a bottom cross beam, a platform vertical frame and a pipe system supporting beam, wherein the bottom longitudinal beam and the bottom cross beam are installed on the outfitting platform in a crisscross mode, the bottom longitudinal beam is arranged along the length direction of the outfitting platform, the platform vertical frame is installed on the bottom longitudinal beam or the bottom cross beam in a vertical plane, and the pipe system supporting beam is installed on the platform vertical frame and used for supporting system outfitting pieces and system pipeline modules.
Further, in step S3, the pipe with the largest pipe diameter is preferentially installed according to the positioning size of the drawing, and the pipe with the largest pipe diameter is taken as the installation base, and the pipes with other pipe diameters are sequentially attached to the installation base according to the installation drawing to be installed in place, so as to form the complete pipe unit module.
Further, the pipeline with the largest pipe diameter is a sea water pipe.
Further, the system pipeline module further comprises one or more of a nitrogen pipe, a quick-closing air system, a hydraulic oil pipe, a hydraulic oil return pipe, an instrument air pipe, a fresh water pipe, a heating pipe, a compressed air pipe and a fire-fighting water pipe.
Further, the pipe fitting-out support is a fastener and is used for installing and folding a plurality of pipelines.
Further, in step S3, the pipes and pipe accessories are installed in sequence from one side end face of the system pipe module to the other side, from bottom to top, and from midship to side of the ship board according to the positioning dimensions of the drawing, the pipe clamps on the intermediate bracket are tightened, and the pipe clamps at the reserved end faces are used for adjusting the positions of the pipes in the combined system pipe module.
Further, in step S1, the outfitting platform is used as a base surface, the height is adjusted by using the adjusting cushion block, and the upper surface of the iron outfitting platform is basically horizontal by using the horizontal testing device for verification.
Further, before step S1, a site with higher ground flatness is selected, longitudinal section lines and rib bit lines are drawn on the ground to serve as space positioning datum lines for modular construction, and the space positioning datum lines are used for positioning outfitting platforms.
The beneficial effects are that: aiming at the problems of low preassembly completion rate, low station utilization rate, relatively delayed process, low quality and the like caused by scattered installation of the current cable channel inner pipe system and outfitting pieces, the invention designs a modularized production and construction mode which takes the channel outer outfitting as an installation reference and the pipe system unit as a core, is suitable for the construction of the cable channel of a large LNG transport ship, and meets the requirements of fast-paced construction of the ship. But also the following advantages:
(1) By adopting the method, all the pipes can be installed through one department, so that the preassembly integrity and the forward working procedure can be improved, and the assembly efficiency can be greatly improved.
(2) In the prior art, the grounding plate is installed after boarding, so that paint on the flange at the position needs to be polished again, and the screw threads of the flange bolt at the position are cut and scrapped due to the fact that the paint is sprayed, and the grounding plate can be constructed in advance through the scheme.
(3) Part of pipelines can be welded by argon arc welding and other welding works can be finished in advance; for example, 244 argon arc welding seams of the ethylene glycol pipe system can be welded in advance at the platform, meanwhile, the workload of cutting and welding caused by adjustment of the bracket is reduced, and the quality control of the pipe system unit is enhanced.
(4) When the pipe is preassembled in the sectional manufacturing part in the prior art, a large amount of welding is not performed, paint is sprayed into the pipe and the port at the port of the pipe because no protective measures are taken, and the pipe is repeatedly polished before subsequent welding; and the flange threads, the pipe accessory thread openings and the bracket threads are all coated, sprayed and permeated with paint. The method of the scheme can reduce the workload of polishing and thread cleaning before welding of the pipe system caused by paint spraying.
Drawings
FIG. 1 is a flow chart of modular construction of a cable passage piping outfitting;
FIG. 2 is a schematic diagram of a platform foundation outfitting module constructed from cable tunnel piping outfitting unit modules;
FIG. 3 is a schematic diagram of the installation of a cable assembly guide and platform foundation outfitting module;
FIG. 4 is a schematic view of a piping outfitting rack and a system pipeline module installed on the system pipeline outfitting rack;
fig. 5 is a schematic diagram of the system pipeline module and the system cable module after being assembled and placed on the bearing bracket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The following describes in further detail the specific embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 to 5, a flow chart of modular construction of a cable passage pipe fitting is shown, and the flow chart is specifically:
a modular construction method for large LNG ship cable channel piping system outfitting comprises the following steps:
s1: the installation outfitting platform to construct platform foundation outfitting module 1 along preset direction on the outfitting platform, platform foundation outfitting module 1 includes bottom longeron 11, bottom crossbeam 12, platform grudging post 13 and piping bolster 14, vertically and horizontally staggered's installation bottom longeron and bottom crossbeam on the outfitting platform, and the bottom longeron contains two sets of that parallel interval set up, and lays along outfitting platform length direction, bottom crossbeam perpendicular to bottom longeron sets up, and a plurality of bottom crossbeam sets up along longeron length direction interval, the platform grudging post is installed on bottom longeron or bottom crossbeam in vertical face, piping bolster is installed on the platform grudging post and is used for supporting system outfitting piece and system pipeline module. The parts of the bottom longitudinal beam 11, the bottom cross beam 12, the platform vertical frame 13, the pipe system supporting beam 14 and the like are fixed by welding, so that a platform foundation outfitting module is formed together. The inner measuring opening of the bottom longitudinal beam is 784mm, namely the width of the outfitting channel. The bottom longitudinal beam adopts angle steel made of Q235A material, and the section specification is 75mm; the bottom cross beam, the platform stand and the pipe system supporting beam are all made of Q235A material.
S2: the system pipeline outfitting bracket 5 and the cable combination guide frame 2 are respectively installed on the two sides of the platform foundation outfitting module, an outfitting channel is formed between the system pipeline outfitting module and the cable combination guide frame outfitting module and used for personnel to perform installation operation of each part and each section, parts in the cable combination guide frame outfitting module 2 are formed by welding, the parts are connected onto the bottom cross beam 12 or the bottom longitudinal beam 11 through angle steel members, and the system pipeline outfitting bracket is used for installing the system pipeline module 3, and specifically:
s3: installing a system pipeline module on the system pipeline outfitting bracket 5; the pipe fitting-out support 5 is a fastener and is detachably arranged on the pipe fitting-out bearing cross beam 14, the pipe fitting-out support is used for installing and furling a plurality of pipelines, such as a U-shaped frame, a tightening hoop and the like, and the system pipeline module comprises a sea water pipe 4, a CN nitrogen pipe, a 2C quick closing air system, an OP hydraulic oil pipe, an OP hydraulic oil return pipe, a CA instrument air pipe, a FW fresh water pipe, an HC heating pipe, a PP compressed air pipe, a WD fire water pipe and the like.
S4: the ship cable is guided on the cable combination guide frame 2 to move towards and support the ship cable module (not shown in the figure), the cable is independently assembled on the cable combination guide frame, the cable module and the pipe system module are independently assembled first, then the two independent modules are combined, the modularization degree is higher, and the assembly operation is easier.
S5: and (3) moving the installed system pipeline module and system cable module gantry crane or automobile crane out of the outfitting channel and placing the gantry crane or automobile crane on the bearing bracket 7, and then transporting the gantry crane or automobile crane to the ship through the lifting appliance.
Aiming at the problems of low preassembly completion rate, low utilization rate of the platform, relatively delayed process, low quality and the like caused by scattered installation of the current cable channel inner piping and outfitting parts, the modularized production and construction mode is designed, wherein the modularized production and construction mode takes the channel outer outfitting as an installation reference and takes piping units as cores, is suitable for construction of large LNG transport ship cable channels, and meets the requirements of fast-paced construction of ships. But also the following advantages:
the complete construction period from the installation and welding of the single module from the iron outfitting platform to the installation of the pipe system is 4-5 days, and 5 workers are required to do the construction simultaneously. By adopting the method, 3 workers and 2 days are needed for assembling a single iron outfitting platform, all pipes can be installed through one department, preassembly integrity and working procedure forward movement can be improved, and assembly efficiency is greatly improved.
In the prior art, the grounding plate is installed after boarding, so that the paint of the flange at the position needs to be polished again, and the screw threads of the flange bolt at the position are cut and scrapped due to the fact that the paint is sprayed, and the grounding plate can be constructed on a system pipeline module in advance through the scheme.
Part of pipelines can be welded by argon arc welding and other welding works can be finished in advance; for example, 244 argon arc welding seams of the ethylene glycol pipe system can be welded in advance at the platform, meanwhile, the workload of cutting and welding caused by adjustment of the bracket is reduced, and the quality control of the pipe system unit is enhanced.
When the pipe is preassembled in the sectional manufacturing part in the prior art, a large amount of welding is not performed, paint is sprayed into the pipe and the port at the port of the pipe because no protective measures are taken, and the pipe is repeatedly polished before subsequent welding; and the flange threads, the pipe accessory thread openings and the bracket threads are all coated, sprayed and permeated with paint. The method of the scheme can reduce the workload of polishing and thread cleaning before welding of the pipe system caused by paint spraying.
The system pipeline outfitting support is arranged on one side of the longitudinal direction of the ship, and the system pipeline outfitting support is arranged on the ship and is closer to the midship position; the cable combination guide frame is arranged on the other side of the longitudinal direction of the ship and is arranged on the ship and is closer to the side measurement position.
In step S3, according to the positioning size of the drawing, the pipe with the largest pipe diameter is preferentially installed when the pipe system is installed, and the pipe with the largest pipe diameter is taken as the installation base, the pipe with the largest pipe diameter is a sea water pipe, and the pipes with other pipe diameters are sequentially attached to the installation base (namely the sea water pipe 4) according to the installation drawing and installed in place, so that a complete pipe system unit module is formed, and a plurality of pipes are fixed through the pipe system bracket. In the installation, a plurality of pipelines are installed in a suspended state, so that the installation interference of other parts can be effectively avoided, the maximum installation space is provided, and the installation convenience is greatly improved.
According to the drawing positioning size, a pipe and a pipe accessory 6 are sequentially installed from one side end face of the system pipeline module to the other side, from bottom to top and from midship to side of the ship, a pipe clamp on the middle support is screwed down, and the pipe clamp at the reserved end face is used for adjusting the position of each pipeline in the combined system pipeline module.
Before the outfitting platform is installed, namely before the step S1 is carried out, a site with higher ground flatness is selected, longitudinal section lines and rib bit lines are drawn on the ground to serve as space positioning datum lines for modular construction, and the space positioning datum lines are used for positioning the outfitting platform. And the outfitting platform is used as a base surface, the height is adjusted by using an adjusting cushion block, and the upper surface of the iron outfitting platform is basically horizontal by using a horizontal testing device for verification. The horizontal testing device comprises tools such as a horizontal ruler, a straight line checking ruler and the like.
The pipe system module further comprises a pipe fitting 6, wherein the pipe fitting 6 comprises a valve, a normal-temperature expansion joint, a stainless steel same-diameter butt welding three-way joint, a gasket, a pipe clamp and the like.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. A modular construction method for large LNG ship cable channel piping is characterized by comprising the following steps: the method comprises the following steps:
s1: installing an outfitting platform, and constructing a platform foundation outfitting module on the outfitting platform along a preset direction;
s2: installing system pipeline outfitting brackets and cable combination guide frames on two sides of the platform foundation outfitting module respectively, and forming an outfitting channel between the system pipeline outfitting module and the cable combination guide frame outfitting module;
s3: installing a system pipeline module on the system pipeline outfitting bracket;
s4: guiding the trend of the ship cable on the cable combination guide frame and supporting the ship cable module;
s5: and (5) moving the installed system pipeline module and system cable module out of the outfitting channel and placing the outfitting channel and the system cable module on the bearing bracket.
2. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: the system pipeline outfitting support is arranged on one side of the longitudinal direction of the ship, and the system pipeline outfitting support is arranged on the ship and is closer to the midship position;
the cable combination guide frame is arranged on the other side of the longitudinal direction of the ship and is arranged on the ship and is closer to the side measurement position.
3. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: the platform foundation outfitting module comprises a bottom longitudinal beam, a bottom cross beam, a platform vertical frame and a pipe system supporting beam, wherein the bottom longitudinal beam and the bottom cross beam are arranged on an outfitting platform in a crisscross mode, the bottom longitudinal beam is arranged along the length direction of the outfitting platform, the platform vertical frame is arranged on the bottom longitudinal beam or the bottom cross beam in a vertical plane, and the pipe system supporting beam is arranged on the platform vertical frame and used for supporting pipe system outfitting pieces and system pipeline modules.
4. A method of modular construction of large LNG ship cable passage piping according to claim 3, characterized by: in step S3, positioning the size according to the drawing, preferentially installing the pipeline with the largest pipe diameter during the installation of the pipe system, taking the pipeline with the largest pipe diameter as an installation base, and sequentially attaching pipelines with other pipe diameters to the installation base according to the installation drawing to install in place so as to form a complete pipe system unit module.
5. The method for modularly constructing large-scale LNG ship cable channel piping outfitting according to claim 4, wherein: the pipeline with the largest pipe diameter is a sea water pipe.
6. The method for modularly constructing large-scale LNG ship cable channel piping outfitting according to claim 4, wherein: the system pipeline module further comprises one or more of a nitrogen pipe, a quick-closing air system, a hydraulic oil pipe, a hydraulic oil return pipe, an instrument air pipe, a fresh water pipe, a heating pipe, a compressed air pipe and a fire-fighting water pipe.
7. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: the pipe fitting-out support is a fastener and is used for installing and furling a plurality of pipelines.
8. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: in step S3, according to the positioning size of the drawing, the pipe and the pipe accessories are sequentially installed from one side end face of the system pipeline module to the other side, from bottom to top and from midship to side of the ship, the pipe clamps on the middle support are screwed down, and the pipe clamps at the reserved end face are used for adjusting the positions of all pipelines in the combined system pipeline module.
9. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: in step S1, the outfitting platform is used as a base surface, the height is adjusted by using an adjusting cushion block, and the upper surface of the iron outfitting platform is basically horizontal by using a horizontal testing device for verification.
10. The method for modularly constructing large-scale LNG ship cable channel piping according to claim 1, wherein: before step S1, a site with higher ground flatness is selected, longitudinal section lines and rib bit lines are drawn on the ground to serve as space positioning datum lines for modular construction, and the space positioning datum lines are used for positioning outfitting platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126873.2A CN117141674A (en) | 2023-09-04 | 2023-09-04 | Method for modularly constructing large LNG ship cable channel pipe system outfitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311126873.2A CN117141674A (en) | 2023-09-04 | 2023-09-04 | Method for modularly constructing large LNG ship cable channel pipe system outfitting |
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| Publication Number | Publication Date |
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| CN117141674A true CN117141674A (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311126873.2A Pending CN117141674A (en) | 2023-09-04 | 2023-09-04 | Method for modularly constructing large LNG ship cable channel pipe system outfitting |
Country Status (1)
| Country | Link |
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| CN (1) | CN117141674A (en) |
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2023
- 2023-09-04 CN CN202311126873.2A patent/CN117141674A/en active Pending
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