CN1970388A - Production method of spherical liquid container saddle seat for ship - Google Patents

Production method of spherical liquid container saddle seat for ship Download PDF

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Publication number
CN1970388A
CN1970388A CN 200510110570 CN200510110570A CN1970388A CN 1970388 A CN1970388 A CN 1970388A CN 200510110570 CN200510110570 CN 200510110570 CN 200510110570 A CN200510110570 A CN 200510110570A CN 1970388 A CN1970388 A CN 1970388A
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CN
China
Prior art keywords
saddle
welding
workshop
moulding bed
segmentation
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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CN 200510110570
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Chinese (zh)
Inventor
田建华
许立新
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Filing date
Publication date
Application filed by Hudong Zhonghua Shipbuilding Group Co Ltd filed Critical Hudong Zhonghua Shipbuilding Group Co Ltd
Priority to CN 200510110570 priority Critical patent/CN1970388A/en
Publication of CN1970388A publication Critical patent/CN1970388A/en
Pending legal-status Critical Current

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Abstract

The liquid hovercraft saddle is made based on the vessel structure, connecting the segment structure and the liquid tank saddle as a whole, using the caliper fixtures at the field site saddle seat center for positioning, precision control and error correction, finishing fabrication, installation and positioning on the berth with one time successful overhanging. It's overall installation not only reaches design requirement, shortens manufacturing cycle time, but also reduces manufacturing cost.

Description

A kind of manufacture method of spherical liquid container saddle seat for ship
Technical field
The present invention relates to a kind of manufacture method of spherical liquid container saddle seat for ship, belong to the shipbuilding technology type, refer in particular to the manufacture method of the special boat that has spherical flow container.
Background technology
In the construction of liquefied gas carrier, be used to support the construction that fuses of the saddle of flow container and body section structure, and utilize compasses frock part to control the manufacturing and the installing and locating precision of saddle, handling success reaches technical requirement on design.
Because loading blue gas with ship is common means of conveyance in the ship industry, the boats and ships that therefore have a liquid gas storage tank have become a member in the shipbuilding enterprise product.Building the autogas ship time, the saddle that supports flow container is the key link, adopt which kind of method to manufacture and design the saddle that supports flow container actually? become the sector and accelerated the manufacturing process, reduced production costs and the place of the key of improving the quality of products.
By present traditional construction method be: building the autogas ship time, the saddle that supports flow container normally assembles up bulk parts such as web 1, panels 2 with spherical tank and fuses, and joins in fact through twice handling, scene after launching a ship again; When error occurring, flow container 3 is hung out correction, till adhering to specification.
For many years to the understanding and the practice of this technology, this orthodox method saddle structurally is to adopt the Double bottom structure according to the inventor, then adopts mode of joining in bulk, real to carry out according to the camp site situation during installation.To carry out secondary lifting generally speaking and just can finish, and on the technical index that lifting realizes also broad of permissible variation.Therefore can be described as a kind of less-than-ideal technology or method.
Summary of the invention
Purpose of the present invention: be intended to propose a kind of manufacture method of brand new liquefied gas carrier saddle, the relevant portion of liquid container saddle seat and hull connected into an integral body make, directly on building berth, finish manufacturing, install and the location; And realize once lifting successfully.
The manufacture method that the present invention adopts is: according to existing ship body structure characteristics, liquid container saddle seat and body section structure are linked to be an integral body make, and adopt and be located at the compasses frock part of making on-the-spot saddle center and carry out installing and locating, precision control and error correction; On building berth, finish manufacturing, installation, location; Finally lift successfully again.
The manufacture method of this spherical liquid container saddle seat for ship may further comprise the steps:
A, design setting-out, be benchmark with design of tank radius R value promptly, progressively carry out the transition to R+10mm to saddle apart from midship by L-O place (in the ship) during the upper track setting-out, topside partly is R+10mm, saddle panel 2 numbers need spray line of centers when cutting, and saddle web 1 should be shown 0.7 meter waterline and 1 meter, 5 meters straight hatching lines;
The making sheet material that B, upper track job shop provide should meet the planeness ± 1mm of saddle web 1, gabarit line style ± 1mm, and the radian ± 1mm of saddle panel 2, the outer straightness accuracy ± 1mm of line of centers, saddle panel 2 is counter to roll round requirement;
C, to the member that the parts workshop provides, implement special-purpose system, but the moulding bed repeated use, and need often check and correction moulding bed precision, with the saddle correlated parts, when constructing, saddle carries out simultaneously in the segmental structure, should draw to datum line with to zygonema during saddle web 1 jigsaw, outer linear accurate to guarantee; Saddle web 1 and panel 2 dress weldering on moulding bed earlier; Moulding bed takes to force fixation, saddle panel 2 line of centerss should with the moulding bed central lines, permissible error ± 1mm marks web 1 installation site line with the moulding bed line of centers; When web 1 adorn weldering with panel on moulding bed, web should be vertically and panel, need propping, spot welding employing CO 2Solid welding wire, two-sided while spot welding, length 〉=100mm, the welding back is carried out tread flaking frame firer and is proofreaied and correct on moulding bed, guarantee radian, it is multiple to moulding bed to proofread and correct good back, in moulding bed overlap ratio ± 1mm scope, revise " T " light face line of centers, and in the moulding bed central lines, develop and print every the 500mm ocean, dress weldering dependency structure (" T " bracket all correction of dress weldering earlier finishes to refill on the saddle) tread flaking frame firer proofreaies and correct (carrying out) on moulding bed, the completion aligning step is identical with " T " aligning step with accuracy requirement, and writing chart is filled out in the parts workshop; The qualified back friendship of applying for checking and examination is adorned weldering in the road down, topside place saddle, completion back, parts workshop hands over the segmentation workshop to be loaded on only spot welding on the oblique longitudinal wall, after treating the welding of building berth location, remeasure saddle panel 2 circular arc degree, after revising, deciding topside place saddle, topside place, respective rib position saddle, completion back, parts workshop hands over the segmentation workshop to be loaded in the sub-segmentation of corresponding segment topside.
D, segmentation workshop construction process requirement is: saddle horizontal position line needs to close through the laser school, should be conscientiously careful when saddle is installed in the segmentation workshop, behind the saddle location, establish a channel-section steel frock part in saddle rib position centerline, just design the center of circle locating point of spherical tank radius R, after accurate positioning all around suitably rigidity strengthen, centre point is screwed by ¢ 3MM screw jewel hole to be formed, by this center of circle wood model cover the center of circle is pressed between the R+5 famous model, should detain moulding bed reversible deformation coefficient during measurement, can provide welding after correct, in the welding process, utilize center of circle mark post tracking measurement, after the completion smoothing, segmentation pendulum is to level, and whether check and correction saddle center of circle frock part misplaces, wait to revise correct after, with laser method whether measure the saddle radian ± 1.5mm is in dimension limit, the size of gauge reference target rib bit line to saddle rib bit line answered in the segmentation workshop; Does not tear open in frock part segmentation workshop, the center of circle, and building berth also need be used.
E; segmentation workshop construction process requirement is: topside part saddle is at each place, respective rib position; the segmentation workshop is loaded on the oblique longitudinal wall after each segmentation is basically completed; sting waterline; the only spot welding of segmentation workshop; building berth need be reorientated; the building berth location; measure; building berth technology is seen in welding, and board part saddle is at place, respective rib position, and the segmentation workshop is loaded in the sub-segmentation of topside in the corresponding segment; only spot welding; treat that corresponding segment always closes up the location, the propping welding finishes, and utilizes center of circle frock part at R+5mm; whether check and correction topside saddle is in range of control; can hand over welding after satisfying tolerance, in welding process, need tracking measurement, not tear open in the frock part of the center of circle; close up greatly also and need utilize; when treating always to close up the topside split fix in the corresponding segment, should be as the criterion with saddle rib bit line, the datum rib bit line is only for reference.
When F, building berth workshop installation bulk parts, need give heatsealing than gauge of sheet 〉=40mm in all abutment joints, all thickness 〉=40mm than slab need give heatsealing in the corner joint, when on-the-spot≤the saddle welding all needs preheating 5 ℃ the time, must not be on all directions of weld nugget less than the welding thickness of slab, and 〉=75mm, the firer heats with large size oxygen one acetylene tap, and the welder evenly gives heat simultaneously; And responsible, and carry out record by the special messenger.
The manufacture method of this spherical liquid container saddle seat for ship that proposes according to above technical scheme, compare with the manufacture method of traditional spherical liquid container saddle seat for ship, its advantage is: because just liquid container saddle seat and body section structure are linked to be an integral body and make, and adopt compasses frock part to carry out that installing and locating, precision are controlled, round-off error; Therefore no matter on building berth, finish manufacturing, installation, location; And once lift successfully.Not only make integral installation reach designing requirement, shorten the manufacturing cycle, and reduced manufacturing cost.
Description of drawings
Accompanying drawing 1 is the saddle structure scheme drawing.
Among the figure 1, web 2, panel 3, spherical tank 4, bracket 5, compasses
The specific embodiment
Below further set forth the present invention with reference to the accompanying drawings and provide specific embodiments of the present invention.
Content of the present invention is to adopt a kind of manufacture method of uniqueness, according to existing ship body structure characteristics, liquid container saddle seat and body section structure is linked to be an integral body makes, and adopt compasses frock part to carry out that installing and locating, precision are controlled, round-off error; On building berth, finish manufacturing, installation, location; And once lift successfully.
We are at 6 8400m 3Successfully adopt the present invention in the liquid container saddle seat manufacturing of liquefied petroleum gas carrier, all reached technical requirement on design.Shorten the cycle, reduced cost.
Embodiment and effect
This ship has two flow containers, is installed in respectively in two cargo holds, and liquid container saddle seat has two groups, forms (manufacture method is identical) with sliding saddle by fixing for every group.
1) setting-out
1.1) design radii R is 6830mm, progressively carries out the transition to radius R+10=6840mm to saddle apart from midship 5200mm by L-O place (in the ship) during the upper track setting-out, topside partly is R+10=6840mm.
1.2) saddle panel 2 number need spray line of centers when cutting.
1.3) saddle web 1 should show 0.7 meter waterline and 1 meter, 5 meters straight hatching lines.
2) upper track job shop requirement
2.1 saddle web 1: planeness ± 1mm, gabarit line style ± 1mm.
2.2 saddle panel 2: radian ± 1mm, the outer straightness accuracy ± 1mm of line of centers, the saddle panel 2 anti-circles that roll.
3) parts workshop construction requirement:
3.1 be assurance construction quality and accuracy requirement, but special-purpose moulding bed repeated use should be set, and need often check and correction moulding bed precision.
3.2 with the saddle correlated parts, when saddle is constructed, carry out simultaneously in the segmental structure.
3.3 should draw during saddle web 1 jigsaw to datum line and outer linear accurate to guarantee to zygonema.
3.4 saddle web 1 and panel 2 dress weldering on moulding bed earlier produce angular deformation for preventing panel after welding, moulding bed has the pressure fixation.
3.5 saddle panel 2 line of centerss should with moulding bed central lines, permissible error ± 1mm.
3.6 mark web 1 installation site line with the moulding bed line of centers.
3.7 when web 1 adorn weldering with panel 2 on moulding bed, web should be vertically and panel, need propping, spot welding employing CO 2Solid welding wire, two-sided while spot welding, length 〉=100mm.
3.8 welding back tread flaking frame firer proofreaies and correct (carrying out) on moulding bed, guarantee radian, the good back of correction is multiple to moulding bed, in moulding bed overlap ratio ± 1mm scope.
3.9 revise " T " light face line of centers, and, develop and print every the 500mm ocean in the moulding bed central lines.
3.10 dress weldering dependency structure (" T " bracket all correction of dress weldering earlier finishes to refill on the saddle) tread flaking frame firer proofreaies and correct (carrying out) on moulding bed.
3.11 the completion aligning step is identical with " T " aligning step with accuracy requirement, writing chart is filled out in the parts workshop.
Road dress weldering is down handed in qualified back 3.12 apply for checking and examination.
3.13 topside place saddle, completion back, parts workshop hand over the segmentation workshop to be loaded on only spot welding on the oblique longitudinal wall, treat the welding of building berth location after, remeasure saddle panel 2 circular arc degree, after revising, deciding topside place saddle.
3.14#121 topside place, rib position saddle, completion back, parts workshop hands over the segmentation workshop to be loaded in the sub-segmentation of corresponding segment topside.
4) segmentation workshop construction process requirement:
4.1) saddle horizontal position line needs to close through the laser school
4.2) should be conscientiously careful when saddle is installed in the segmentation workshop, behind the saddle location, establish a channel-section steel frock part in saddle rib position centerline, just with the center of circle locating point of R=6830+5mm, after accurate positioning all around suitably rigidity strengthen, centre point is screwed by ¢ 3MM screw jewel hole to be formed, and by this center of circle wood model cover the center of circle is pressed between the design radii R+5=6835mm.Moulding bed reversible deformation coefficient should be detained during measurement, welding can be provided after correct.
4.3) in the welding process, utilize center of circle mark post tracking measurement.
4.4) after the completion smoothing, segmentation put level, whether check and correction saddle center of circle frock part misplaces, wait to revise correct after, measurement saddle radian whether in dimension limit, R=6830 + 10(assembling is surveyed), saddle front and back position error ± 1.5mm (laser measurement).
4.5) the segmentation workshop answers the size of gauge reference target rib bit line to saddle rib bit line, use for the building berth location.
4.6) frock part segmentation workshop, the center of circle do not tear open, building berth also need be used.
5 segmentation workshop construction process requirements: (SM2P/S, SM4P/S, SM5P/S, B7 topside)
5.1 topside part saddle is at #48, #78, place, #104 rib position, the segmentation workshop is loaded on the oblique longitudinal wall after SM2P/S, SM4P/S, SM5P/S segmentation are basically completed, sting waterline, and the only spot welding of segmentation workshop, building berth need be reorientated.
5.2 building berth technology is seen in building berth location, measurement, welding.
5.3 topside part saddle is at #121 rib position place, the segmentation workshop is loaded in the sub-segmentation of topside in the B7 segmentation, and only spot welding treats that the B7 segmented general closes up the location, and the propping welding finishes.
5.4 utilize center of circle frock part R=6835mm, check and correction topside saddle can be handed over welding after satisfying tolerance whether in range of control.
5.5 in welding process, need tracking measurement.
5.6 do not tear open in the frock part of the center of circle, close up greatly also and need utilize.
5.7 when treating always to close up the topside split fix in the corresponding segment, should be as the criterion with saddle rib bit line, the datum rib bit line is only for reference.
6 building berth workshops
The main bulk parts of installing;
7 welding
7.1 give the requirement of hot weld part thickness of slab;
Allly in the abutment joint need give heatsealing than gauge of sheet 〉=40mm.
All thickness 〉=40mm than slab need give heatsealing in the corner joint.
But when on-the-spot≤the saddle welding all need be given heat 5 ℃ the time.
7.2 give hot temperature: butt joint is 100 ℃, and corner connection is 60 ℃.
7.3 give heat rating: on all directions of weld nugget must not less than the welding thickness of slab, and 〉=75mm.
7.4 give by the use of thermal means: the firer heats with large size oxygen one acetylene tap, and the welder evenly gives heat simultaneously.
7.5 thermometric: be responsible for by the special messenger, and carry out record.
The applicant is at 6 8400m 3Successfully adopt the present invention in the liquid container saddle seat manufacturing of liquefied petroleum gas carrier, all reached technical requirement on design; Not only shorten the cycle, and reduced manufacturing cost.
The related manufacture method of traditional manufacture method and this patent uses the result relatively to see Table 1.

Claims (2)

1, a kind of manufacture method of liquefied gas carrier saddle, it is characterized in that: according to existing ship body structure characteristics, liquid container saddle seat and body section structure are linked to be an integral body make, and adopt and be located at the compasses frock part of making on-the-spot saddle center and carry out installing and locating, precision control and error correction; On building berth, finish manufacturing, installation, location; Finally once lift successfully.
2, the manufacture method of a kind of liquefied gas carrier saddle as claimed in claim 1 is characterized in that: its concrete manufacture method is as follows: the manufacture method of this spherical liquid container saddle seat for ship may further comprise the steps:
A, design setting-out, be benchmark with the design of tank radius promptly, progressively carry out the transition to R+10mm to saddle apart from the midship direction by the ship center line during last process setting-out, topside partly is R+10mm, saddle panel 2 numbers need spray line of centers when cutting, and saddle web 1 should be shown 0.7 meter waterline and 1 meter, 5 meters straight hatching lines;
B, the making that provides for the upper track job shop should meet saddle web 1: planeness ± 1mm with sheet material, gabarit line style ± 1mm, and saddle panel 2: radian ± 1mm, the outer straightness accuracy ± 1mm of line of centers, saddle panel 2 is counter to roll round requirement;
C, the special-purpose system of the enforcement that the parts workshop is provided, but moulding bed repeated use, and need often proofread the moulding bed precision, in the segmental structure with the saddle correlated parts, when saddle is constructed, carry out simultaneously, should draw to datum line and outer linear accurate to guarantee saddle web 1 and panel 2 dress weldering on moulding bed earlier during saddle web 1 jigsaw zygonema, for preventing that panel from producing angular deformation after welding, moulding bed has the pressure fixation., saddle panel 2 line of centerss should with the moulding bed central lines, permissible error ± 1mm marks web 1 installation site line with the moulding bed line of centers, during the dress weldering of web 1 and panel ± on moulding bed, web should be vertically and panel, needs propping, spot welding employing CO 2Solid welding wire, two-sided while spot welding, length 〉=100mm, welding back tread flaking frame firer on moulding bed proofreaies and correct, guarantee radian, proofread and correct good back again to moulding bed, in moulding bed overlap ratio ± 1mm scope, revise " T " light face line of centers, and in the moulding bed central lines, develop and print every the 500mm ocean, dress weldering dependency structure carries out tread flaking frame firer and proofreaies and correct on moulding bed, the completion aligning step is identical with " T " aligning step with accuracy requirement, and writing chart is filled out in the parts workshop; The qualified back friendship of applying for checking and examination is adorned weldering in the road down, topside place saddle, completion back, parts workshop hands over the segmentation workshop to be loaded on only spot welding on the oblique longitudinal wall, after treating the welding of building berth location, remeasure saddle panel 2 circular arc degree, after revising, deciding topside place saddle, topside place, respective rib position saddle, completion back, parts workshop hands over the segmentation workshop to be loaded in the sub-segmentation of corresponding segment topside;
D, segmentation workshop construction process requirement are: saddle horizontal position line needs to close as figure through the laser school, should be conscientiously careful when saddle is installed in the segmentation workshop, behind the saddle location, establish channel-section steel frock part in saddle rib position centerline, the center of circle locating point of R just, after accurate positioning all around suitably rigidity strengthen, centre point is screwed by ¢ 3MM screw jewel hole to be formed, by this center of circle wood model cover to the center of circle between R=6835mm; Should detain moulding bed reversible deformation coefficient during measurement, can provide welding after correct, in the welding process, utilize center of circle mark post tracking measurement; After the completion smoothing, segmentation put level, and whether check and correction saddle center of circle frock part misplaces, wait to revise correct after, measurement saddle radian whether in dimension limit, R=6830 + 10, saddle front and back position laser measurement error ± 1.5mm; The size of gauge reference target rib bit line to saddle rib bit line answered in the segmentation workshop, uses for the building berth location; Frock part segmentation workshop, the center of circle is not torn open and is continued to employ;
E, segmentation workshop construction process requirement is: each place, respective rib position of topside part saddle, the segmentation workshop is loaded on the oblique longitudinal wall after each corresponding segment is basically completed, sting waterline, the only spot welding of segmentation workshop, building berth need be reorientated, the building berth location, measure, building berth technology is seen in welding, board part saddle is at respective ribs position place, and the segmentation workshop is loaded in the sub-segmentation of topside in the corresponding segments, only spot welding, treat that this corresponding segments always closes up the location, propping welding finishes, and utilizes the Control Radius R+5mm of center of circle frock part, and whether check and correction topside saddle is in range of control, can hand over welding after satisfying tolerance, in welding process, need tracking measurement; Do not tear open in the frock part of the center of circle, close up greatly also and need utilize, when always closing up the topside split fix in the corresponding segments, should be as the criterion with saddle rib bit line, the datum rib bit line is only for reference;
When F, building berth workshop installation bulk parts, need give heatsealing than gauge of sheet 〉=40mm in all abutment joints, all thickness 〉=40mm than slab need give heatsealing in the corner joint, when on-the-spot≤5 ℃ the time saddle welding all to need preheating, butt joint be 100 ℃, corner connection is 60 ℃, must not be on all directions of weld nugget less than the welding thickness of slab, and 〉=75mm, the firer heats with large size oxygen one acetylene tap, and the welder evenly gives heat simultaneously; And responsible, and carry out record by the special messenger.
CN 200510110570 2005-11-21 2005-11-21 Production method of spherical liquid container saddle seat for ship Pending CN1970388A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102490862A (en) * 2011-12-01 2012-06-13 大连中远船务工程有限公司 Process method for controlling precision of drilling ship module
CN103482018A (en) * 2012-06-11 2014-01-01 中航鼎衡造船有限公司 Precision controlling and tank body hoisting process of dual-ball liquid gas storage tank for use in installation of boat body structure
CN103482030A (en) * 2013-10-12 2014-01-01 惠生(南通)重工有限公司 Method for installing liquefied natural gas tank on ship
CN103832543A (en) * 2014-03-19 2014-06-04 上海江南长兴重工有限责任公司 Installing structure of liquid tank of large liquefied gas carrier and installation locating method of liquid tank
CN103900523A (en) * 2014-04-17 2014-07-02 上海江南长兴重工有限责任公司 Method for measuring lifting deformation of fluid container
CN106322997A (en) * 2016-08-31 2017-01-11 中国十五冶金建设集团有限公司 Mounting method of copper smelting refining rocking furnace
CN106741603A (en) * 2016-11-21 2017-05-31 沪东中华造船(集团)有限公司 The flow container fast and accurately localization method when liquefaction vessel is built
CN106864677A (en) * 2017-03-03 2017-06-20 上海江南长兴重工有限责任公司 A kind of design of liquid container saddle seat, manufacture and installation method
CN107696364A (en) * 2016-08-09 2018-02-16 启东丰顺船舶重工有限公司 A kind of liquefied gas carrier liquid container saddle seat epoxy casting technique
CN108100157A (en) * 2017-12-15 2018-06-01 佛山市厚德众创科技有限公司 A kind of ultra-large type liquified gas carries flow container segmentation precision control method
CN108163143A (en) * 2018-01-03 2018-06-15 江南造船(集团)有限责任公司 Arc saddle web corrects technique in liquefied gas carrier with c-type flow container
CN108327849A (en) * 2018-01-24 2018-07-27 江南造船(集团)有限责任公司 Manual angle setting out method for Ship Structure installation
CN110254641A (en) * 2019-07-01 2019-09-20 上海外高桥造船有限公司 A kind of independent flow container support device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102490862A (en) * 2011-12-01 2012-06-13 大连中远船务工程有限公司 Process method for controlling precision of drilling ship module
CN103482018B (en) * 2012-06-11 2017-02-08 中航鼎衡造船有限公司 Precision controlling and tank body hoisting process of dual-ball liquid gas storage tank for use in installation of boat body structure
CN103482018A (en) * 2012-06-11 2014-01-01 中航鼎衡造船有限公司 Precision controlling and tank body hoisting process of dual-ball liquid gas storage tank for use in installation of boat body structure
CN103482030B (en) * 2013-10-12 2016-03-02 惠生(南通)重工有限公司 A kind of method that liquefied natural gas goods tank is aboard ship installed
CN103482030A (en) * 2013-10-12 2014-01-01 惠生(南通)重工有限公司 Method for installing liquefied natural gas tank on ship
CN103832543A (en) * 2014-03-19 2014-06-04 上海江南长兴重工有限责任公司 Installing structure of liquid tank of large liquefied gas carrier and installation locating method of liquid tank
CN103900523B (en) * 2014-04-17 2016-05-18 上海江南长兴重工有限责任公司 Tank installation deformation measurement method
CN103900523A (en) * 2014-04-17 2014-07-02 上海江南长兴重工有限责任公司 Method for measuring lifting deformation of fluid container
CN107696364A (en) * 2016-08-09 2018-02-16 启东丰顺船舶重工有限公司 A kind of liquefied gas carrier liquid container saddle seat epoxy casting technique
CN106322997B (en) * 2016-08-31 2018-04-20 中国十五冶金建设集团有限公司 Copper making refines grate installation method
CN106322997A (en) * 2016-08-31 2017-01-11 中国十五冶金建设集团有限公司 Mounting method of copper smelting refining rocking furnace
CN106741603A (en) * 2016-11-21 2017-05-31 沪东中华造船(集团)有限公司 The flow container fast and accurately localization method when liquefaction vessel is built
CN106864677B (en) * 2017-03-03 2018-10-19 上海江南长兴重工有限责任公司 A kind of design, manufacture and the installation method of A types liquid container saddle seat
CN106864677A (en) * 2017-03-03 2017-06-20 上海江南长兴重工有限责任公司 A kind of design of liquid container saddle seat, manufacture and installation method
CN108100157A (en) * 2017-12-15 2018-06-01 佛山市厚德众创科技有限公司 A kind of ultra-large type liquified gas carries flow container segmentation precision control method
CN108163143A (en) * 2018-01-03 2018-06-15 江南造船(集团)有限责任公司 Arc saddle web corrects technique in liquefied gas carrier with c-type flow container
CN108163143B (en) * 2018-01-03 2019-08-06 江南造船(集团)有限责任公司 Arc saddle web amendment technique in liquefied gas carrier with c-type flow container
CN108327849A (en) * 2018-01-24 2018-07-27 江南造船(集团)有限责任公司 Manual angle setting out method for Ship Structure installation
CN108327849B (en) * 2018-01-24 2019-08-06 江南造船(集团)有限责任公司 Manual angle setting out method for Ship Structure installation
CN110254641A (en) * 2019-07-01 2019-09-20 上海外高桥造船有限公司 A kind of independent flow container support device

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