CN109353447A - A kind of heating coil installation method for chemical tanker cargo tank - Google Patents
A kind of heating coil installation method for chemical tanker cargo tank Download PDFInfo
- Publication number
- CN109353447A CN109353447A CN201811253264.2A CN201811253264A CN109353447A CN 109353447 A CN109353447 A CN 109353447A CN 201811253264 A CN201811253264 A CN 201811253264A CN 109353447 A CN109353447 A CN 109353447A
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- Prior art keywords
- heating coil
- cargo tank
- modular unit
- heating
- unit
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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
- B63B71/00—Designing vessels; Predicting their performance
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of heating coil installation methods for chemical tanker cargo tank, first cargo tank is split, then the corresponding heating coil unit module of each cargo tank unit is made respectively, lifting installation is carried out to heating coil unit module according still further to installation progress, realizes one module of a cabin in cargo tank.The heating coil mating operation of original building berth is advanceed to and is completed on platform, realizes that a cabin one is hung, reduces labor intensity, improve construction personnel's operating environment, improve work efficiency, largely shorten berth period, reduce Construction of Chemical Product Tanker cost.
Description
Technical field
The present invention relates to the technical field of heating coil peculiar to vessel, specifically a kind of adding for chemical tanker cargo tank
Hot coil installation method.
Background technique
Liquid chemical is many kinds of, and the chemical property of various chemicals is different, and generally all inflammable, explosive, some are also
Toxicity.At solid-state under some chemicals room temperature, become liquid after heating, and some chemicals are with the reduction of temperature, viscosity
It can steeply rise, therefore for this part chemicals cargo, just need to keep by heating or freezing in transportational process
Certain temperature requirement.Chemical tanker is all made of the heating coil in cargo tank bottom arrangement certain length to guarantee that it adds at present
Heat, refrigeration require.
Since chemicals generally has the characteristics that inflammable, explosive, deep-etching, this requires heating coils must be using high anti-
The stainless steel tube of rotten performance, and butt welding form must be used when pipe docking, and casing, flange cannot be used with chemically
Leakage.In order to meet each cabin heating coefficient requirement, each cabin is both needed to arrange the heating coil of a large amount of length, and every heating tube
The length of raw material is generally 6 meters or 9 meters, this, which results in each cabin, has tens banjo fixing butt jointing needs to freeze, before each ship
Factory generally carries out the installation of heating coil in building berth or dock stage in the form of in bulk or small fragment, long construction period,
Environment is poor, and tube butt welding quality can not be effectively ensured, and multiplexing kind cross-operation, it is easy to cause tube surface collision broken
It is bad, increase the cost of shipbuilding.
Summary of the invention
The purpose of the present invention is to provide a kind of improved heating coil installation methods for chemical tanker cargo tank, will
Heating coil is divided according to cargo hold in chemical tanker cargo tank, and is advanced to platform production from building berth or dock stage,
It realizes that a cabin one is hung, shortens building berth/dock cycle, reduce production cost.
To achieve the goals above, the technical scheme is that a kind of heating coil for chemical tanker cargo tank
Installation method, it is characterised in that: following steps: a, the division that unit module is carried out to the cargo tank heating coil of ship are realized
One cargo tank, one heating coil modular unit；B, heating tube junior unit module making is completed, heating tube is assembled into L
The junior unit module of type, U-shaped, M type and W type completes heating tube and the welding at the heating tube place of docking and detects a flaw, according to
The drawing of cargo tank carries out sabot to junior unit module and is transported on heating coil assembly platform；C, heating coil is made one by one
Modular unit, according to the drawing requirement of heating coil modular unit, on heating coil bracket, to junior unit module and scattered
Heating tube carries out assembly, completes the welding at pipe docking and detects a flaw to weld seam, and is carried out using protective cloth to pipe
Cladding protection；D, to assembled heating coil modular unit is completed, heating coil modular unit is carried out using channel steel and pipe clamp
It is fixed；E lifts and installs heating coil modular unit, and the lifting of heating coil modular unit is gone on board using hanging row and suspender belt, and
And installation is completed at the same time the injection end of heating coil and the mating operation of output end pipe, completes to the fixation position of cargo tank
Integral installation.
Preferably, in a step, when carrying out unit module division to cargo tank heating coil, according to full ship cargo tank
Arrangement, divides several heating coil unit modules, in principle one module of a cabin, but be related to area is larger, length direction compared with
Long, due to the limitation of crane capacity, it cannot achieve one module of a cabin, it can also the two heating coil unit modules in a cabin stroke.
Further, in step c, heating coil bracket includes platform bracket, platform bracket spliced by latticed bracket and
At platform bracket is surrounded by equally distributed angle steel reinforcer, and platform bracket is equipped with hanging ring, and hanging ring shares 6-12.
Further, in Step d, it is fixed after heating coil modular unit, be placed on heating coil bracket and shift
To transport device, heating coil modular unit is transported to by transport device by the dock or building berth installed
It is other.Several channel steel parallel laids use between the bottom of heating coil modular unit, channel steel and heating coil modular unit
Pipe clamp is fixed, and isolation pad is equipped between channel steel and heating tube.
Compared with the existing technology, technical solution of the present invention further includes many details in addition to the improvement of overall technical architecture
The improvement of aspect, specifically, having the advantages that
1, improvement project of the present invention makes the last assembled side of heating coil modular unit by staged operation one by one
Formula, by original building berth, perhaps the work in dock stage advances to and completes to shorten building berth or dock cycle on platform, improves
Construction environment avoids multiplexing kind cross-operation, largely ensure that the quality of walls of tube butt-welded seams；
2, in technical solution of the present invention, complete heating tube junior unit module making, by heating tube assemble l-shaped, it is U-shaped and
The junior unit module of W type, reduces expenditure of time, reduces shipbuilding cost；
3, the present invention carries out whole cabin lifting using suspender belt and hanging row, effectively reduces pipe deformation, and it is damaged to reduce stainless steel pipe surface；
4, present invention reduces whole mounting process steps, efficiently accurate, while cost is relatively low, easy to spread and utilization.
Detailed description of the invention
Fig. 1 is cargo tank heating coil partition structure schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of platform bracket of the invention.
Fig. 3 is that the installation of heating coil modular unit of the invention lifts drawing.
Appended drawing reference:
1 heating coil modular unit, 2 cargo tanks, 3 platform brackets, 4 hanging rows, 5 suspender belts；
31 brackets, 32 hanging rings, 33 angle steel reinforcers；
41 channel steels, 42 pipe clamps.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of heating coil installation methods for chemical tanker cargo tank, the specific steps are as follows: a,
The division that unit module is carried out to the cargo tank heating coil of ship, realizes 2 one heating coil modular units of a cargo tank
1；B, heating tube junior unit module making is completed, heating tube is assembled to the junior unit mould of l-shaped, U-shaped, M type and W type respectively
Block completes heating tube and the welding at the heating tube place of docking and detects a flaw, according to the drawing of cargo tank to junior unit module
It carries out sabot and is transported on heating coil assembly platform；C, heating coil modular unit is made one by one, according to heating dish pipe die
The drawing requirement of module unit carries out assembled, completion pipe to junior unit module and scattered heating tube on heating coil bracket
Welding at sub- docking simultaneously detects a flaw to weld seam, and carries out cladding protection to pipe using protective cloth；D, to completion assembly
Heating coil modular unit is fixed heating coil modular unit using channel steel 41 and pipe clamp 42；E is lifted and is installed heating
The lifting of heating coil modular unit is gone on board using hanging row 4 and suspender belt 5, and installs consolidating to cargo tank by coil pipe modular unit
Positioning is set, and the injection end of heating coil and the mating operation of output end are completed at the same time, and completes integral installation.
Specifically, a main heating tube can be set, then have multiple connectors in main heating tube, can respectively with it is each
A heating coil modular unit is attached, and forms being coupled in batches.
The present invention makes the last assembled mode of heating coil modular unit one by one, first completes heating by staged operation
Heating tube is assembled l-shaped, U-shaped and W type junior unit module, reduces expenditure of time, reduced by pipe junior unit module making
Shipbuilding cost.The work in original building berth perhaps dock stage is advanceed to and completes to shorten building berth or dock week on platform
Phase improves construction environment, avoids multiplexing kind cross-operation, largely ensure that the quality of walls of tube butt-welded seams.
In one embodiment, the division for carrying out unit module first, to the cargo tank heating coil of ship, is dividing
When, according to the arrangement of full ship cargo tank, several heating coil unit modules are divided, in principle one module of a cabin, but be related to
Area is larger, length direction is longer, due to the limitation of crane capacity, cannot achieve one module of a cabin, can also a cabin stroke two
A heating coil unit module.
It may be to realize one heating coil modular unit of a cargo tank, unit carried out to cargo tank heating coil
When module divides, several rows are formed from fore to stern, each row successively end to end several heating coil modules of arrangement
Unit, each heating coil modular unit are arranged in a staggered manner with the heating coil modular unit in adjacent rows, not only contribute in this way
Splicing, also has and is easy to subsequent maintenance；Further, three rows heating coil modular unit group arranged side by side is formed from fore to stern,
Referring to Fig. 1, wherein each heating coil modular unit position one of each heating coil modular unit and the third line of the first row
One corresponding arrangement, every heating coil modular unit of each heating coil modular unit position of the second row and first, the third line
Position or so is staggered, and two heating coil modular unit length of initial and end of the second row are the heating coils among the second row
1.3---2 times of modular unit length.
Further, it finds in actual use, in three row heating coil modular unit groups, the heating coil module list at middle part
Often thermal conduction effect is best for member, in order to save the energy, and guarantees good thermal conduction effect, the heating dish pipe die of the second row
The width of module unit group is 1.1-1.3 times of first, the third line heating dish modular unit group width.
The present invention use it is convenient after modular unit install one by one, if it find that problem, be also convenient for checking one by one and one by one
Maintenance, it is convenient to bring to the management work of subsequent heating coil modular unit.
Then, heating tube junior unit module making is completed, heating tube is assembled to l-shaped, U-shaped, M type and W type respectively
Junior unit module completes heating tube and the welding at the heating tube place of docking and detects a flaw, according to the drawing of cargo tank to small
Unit module carries out sabot and is transported on heating coil assembly platform.
Then, heating coil modular unit is made one by one, according to the drawing requirement of heating coil modular unit, in heating dish
On pipe carrier, junior unit module and scattered heating tube are carried out it is assembled, complete the welding at pipe docking and to weld seam into
Row flaw detection, and cladding protection is carried out to pipe using protective cloth；Again to assembled heating coil modular unit is completed, channel steel is used
41 and pipe clamp 42 heating coil modular unit is fixed, to guarantee that heating coil unit is indeformable in hoisting process；Most
Afterwards, heating coil modular unit is lifted and installed, the lifting of heating coil modular unit is gone on board using hanging row and suspender belt, and pacifies
It is filled to the fixation position of cargo tank, is completed at the same time the injection end of heating coil and the mating operation of output end, completes integral installation.
In another embodiment, a step carries out the division of unit module to the cargo tank heating coil of ship, realizes
One cargo tank, one heating coil modular unit；B step completes heating tube junior unit module making, heating tube is distinguished
L-shaped, the junior unit module of U-shaped, M type and W type are assembled, heating tube and the welding at the heating tube place of docking are completed and is visited
Wound carries out sabot to junior unit module according to the drawing of cargo tank and is transported on heating coil assembly platform；
Step c makes heating coil modular unit, according to the drawing requirement of heating coil modular unit, in heating coil one by one
On bracket, assembly is carried out to junior unit module and scattered heating tube, complete the welding at pipe docking and weld seam is carried out
Flaw detection, and cladding protection is carried out to pipe using protective cloth；Specifically, heating coil bracket includes platform bracket, and bracket is flat
Rectangular or diamond shape can be made in platform, and platform bracket is spliced by latticed bracket 31, and rack upper surface is equipped with uniformly distributed
Micro convex point, to increase friction, protection and fixed heating plate pipe die module unit, platform bracket are surrounded by equally distributed angle steel
Reinforcer 33, the position of angle steel reinforcer setting and the joint location of bracket are staggered, and proof strength and stress are appropriate, platform bracket
Equipped with hanging ring 32, hanging ring shares 6-12, and the junction of two brackets is arranged in hanging ring, convenient for welding and fixes.
Here, it should be noted that the size according to cargo tank when making heating coil modular unit, by the ruler after measurement
Very little 5% size as heating coil modular unit that reduces.
In Step d, to assembled heating coil modular unit is completed, using channel steel and pipe clamp to heating coil modular unit
It is fixed；Specifically, the heating coil modular unit after fixing is placed on heating coil bracket and is transferred to transport dress
It sets, heating coil modular unit is transported to by the dock or hull installed by transport device.Several
Channel steel parallel laid is consolidated between the bottom of heating coil modular unit, channel steel and heating coil modular unit using pipe clamp
It is fixed, isolation pad is equipped between channel steel and heating tube.
Further, several channel steels are divided into middle part channel steel and edge channel steel, and middle part channel steel uses the channel steel of X-type, guarantee
The position at middle part is fixed, and edge channel steel uses straight line channel steel, conducive to the stabilization of lifting.
In step e, heating coil modular unit is lifted and installed, is hung heating coil modular unit using hanging row and suspender belt
It takes on board, and installs to the fixation position of cargo tank, be completed at the same time the injection end of heating coil and the mating operation of output end,
Complete integral installation.
Specifically, when heating coil modular unit is installed in cargo tank, there is one from quarter to fore portion
The decline of gradient, at this moment because fore under sail, is affected by stormy waves, slightly can up be raised, in order to guarantee entirely to add
Hot plate pipe unit temperature equalization in use, homogeneous heating, it is therefore desirable to have the adjustment of a low-angle.The bottom of cargo tank
Portion is equipped with 5 degree of inclined surface from quarter to fore portion.The side of hanging row is equipped with suspender belt, passes through the both ends of suspender belt and channel steel
It is connected, hanging row is allowed to lift by crane entire heating coil modular unit, suspender belt uses nylon sling.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Present invention specific implementation is confined to these above-mentioned explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention
Protection scope.
Claims (6)
1. a kind of heating coil installation method for chemical tanker cargo tank, it is characterised in that: following steps: a, to ship
Cargo tank heating coil carries out the division of unit module, realizes one heating coil modular unit of a cargo tank；B, it completes to add
Heating tube is assembled l-shaped, the junior unit module of U-shaped, M type and W type, completes heating tube by heat pipe junior unit module making
With the welding at the heating tube place of docking and detect a flaw, sabot is carried out to junior unit module according to the drawing of cargo tank and be transported to
On heating coil assembly platform；C, heating coil modular unit is made one by one, according to the drawing requirement of heating coil modular unit,
On heating coil bracket, assembly is carried out to junior unit module and scattered heating tube, the welding at completion pipe docking is simultaneously
It detects a flaw to weld seam, and cladding protection is carried out to pipe using protective cloth；D, the heating coil modular unit assembled to completion,
Heating coil modular unit is fixed using channel steel and pipe clamp；E is lifted and is installed heating coil modular unit, using hanging row
The lifting of heating coil modular unit is gone on board with suspender belt, and is installed to the fixation position of cargo tank, heating coil is completed at the same time
Injection end and output end mating operation, complete integral installation.
2. a kind of heating coil installation method for chemical tanker cargo tank according to claim 1, it is characterised in that:
In a step, when carrying out unit module division to cargo tank heating coil, according to the arrangement of full ship cargo tank, several are divided
Heating coil unit module.
3. a kind of heating coil installation method for chemical tanker cargo tank according to claim 1, it is characterised in that:
In step c, heating coil bracket includes platform bracket, and platform bracket is spliced by latticed bracket, platform bracket surrounding
Equipped with equally distributed angle steel reinforcer, platform bracket is equipped with hanging ring, and hanging ring shares 6-12.
4. a kind of heating coil installation method for chemical tanker cargo tank according to claim 1, it is characterised in that:
In Step d, it is fixed after heating coil modular unit, be placed on heating coil bracket and be transferred on transport device, pass through
Heating coil modular unit is transported to by the dock or hull installed by transport device.
5. a kind of heating coil installation method for chemical tanker cargo tank according to claim 1, it is characterised in that:
In Step d, several channel steel parallel laids are between the bottom of heating coil modular unit, channel steel and heating coil modular unit
It is fixed using pipe clamp, isolation pad is equipped between channel steel and heating tube.
6. a kind of heating coil installation method for chemical tanker cargo tank according to claim 1, it is characterised in that:
In step e, the side of hanging row is equipped with suspender belt, is connected by suspender belt with the both ends of channel steel, hanging row is allowed to lift by crane entire heating
Coil pipe modular unit, suspender belt use nylon sling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253264.2A CN109353447B (en) | 2018-10-25 | 2018-10-25 | Heating coil installation method for chemical ship liquid cargo tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253264.2A CN109353447B (en) | 2018-10-25 | 2018-10-25 | Heating coil installation method for chemical ship liquid cargo tank |
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| Publication Number | Publication Date |
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| CN109353447A true CN109353447A (en) | 2019-02-19 |
| CN109353447B CN109353447B (en) | 2022-03-15 |
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| CN201811253264.2A Active CN109353447B (en) | 2018-10-25 | 2018-10-25 | Heating coil installation method for chemical ship liquid cargo tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113247204A (en) * | 2021-06-30 | 2021-08-13 | 招商局金陵鼎衡船舶(扬州)有限公司 | Cargo compartment outfitting construction method and heating coil stacking tool applying same |
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| Publication number | Publication date |
|---|---|
| CN109353447B (en) | 2022-03-15 |
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Address after: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee after: Shanghai Shipbuilding Technology Research Institute (the 11th Research Institute of China Shipbuilding Corp.) Address before: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee before: SHIPBUILDING TECHNOLOGY Research Institute (NO 11 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) |
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