CN101318537B - Process for manufacturing pump tower triangular mast of liquid natural gas ship - Google Patents
Process for manufacturing pump tower triangular mast of liquid natural gas ship Download PDFInfo
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- CN101318537B CN101318537B CN2008100377623A CN200810037762A CN101318537B CN 101318537 B CN101318537 B CN 101318537B CN 2008100377623 A CN2008100377623 A CN 2008100377623A CN 200810037762 A CN200810037762 A CN 200810037762A CN 101318537 B CN101318537 B CN 101318537B
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Abstract
The invention relates to a manufacturing method of a pump tower triangle mast on an LNG carrier; the pump tower triangle mast consists of a first main pump pipe, a second main pump pipe, an emergency pump pipe, a straight plane supporting pipe, an incline plane supporting pipe, a straight elevation supporting pipe and an incline elevation supporting pipe; the first main pump pipe, the second main pump pipe and the emergency pump pipe are arranged in parallel in a triangle; the first main pump pipe and the second main pump pipe are fixed by the straight plane supporting pipe and the incline plane supporting pipe; the first main pump pipe and the emergency pump pipe as well as the second main pump pipe and the emergency pump pipe are respectively fixed by the straight elevation supporting pipe and the incline elevation supporting pipe. The manufacturing method of a pump tower triangle mast on an LNG carrier of the invention overcomes the affect of the straightness of the pipe of the raw materials and the welding factors to the straightness of the structure of the integral triangle mast, improves the accuracy of mounting, ensures the precision of the triangle mast of the whole pump tower, lightens the work intensity of construction personnel, improves the production working efficiency and accords with the requirements for scale production much beeter.
Description
Technical field
The present invention relates to liquefied natural gas carrier and build, particularly relate to the manufacturing approach of the pump tower triangular mast that is applied in the liquefied natural gas carrier.
Background technology
Liquefied natural gas carrier (hereinafter to be referred as the LNG ship) pump tower is the very important functional component in LNG shipload cabin district, and its structure is triangle mast form, and its mode of operation is for being hung vertically in each cargo hold.The structure of pump tower triangular mast such as Fig. 1, Fig. 2 and shown in Figure 3; Fig. 1 is the plan structure figure of pump tower triangular mast on the liquefied natural gas carrier; Fig. 2 is the formed planar view of two main pump pipes of pump tower triangular mast on the liquefied natural gas carrier, and Fig. 3 is the main pump pipe and the formed planar view of emergent pump line of pump tower triangular mast on the liquefied natural gas carrier.Can know by figure; Its keystone configuration is following: described pump tower triangular mast supports straight tube C1 by the first main pump pipe A1, the second main pump pipe A2, emergent pump line A3, planar support straight tube B1, planar support inclined tube B2, facade and facade support inclined tube C2 forms; The described first main pump pipe A1, the second main pump pipe A2 and the parallel placement of emergent pump line A3 isosceles triangle; Fix with planar support straight tube B1 and planar support inclined tube B2 between the first main pump pipe A1 and the second main pump pipe A2, the first main pump pipe A1 and emergent pump line A3, the second main pump pipe A2 and emergent pump line A3 support straight tube C1 with facade respectively and facade support inclined tube C2 fixes.
In the liquefied natural gas carrier use, with outside two main pump pipe dispatch delivers from vault of the degree of-163 in cargo hold cryogenic natural gas warp, emergent pump line A3 is undertaking the emergency function of disposing the main pump fault through two main pumps.On liquefied natural gas carrier two of pump tower triangular mast main pump pipes and emergent pump line A3 be framing member be again liquid goods passage.The LNG ship to the accuracy requirement of pump tower is: in the length of 27 meters pump tower pipes, the straightness accuracy of pipe will be controlled at ± 5mm in.So accurate technique need all propose very high requirement to assembling and welding personnel; But because the material of buying and the level of operating personal all have bigger difference; Must find out the construction method of the strictness of making a cover accords with production condition and workman's characteristics; Could guarantee that each pump tower of producing meets the requirements for quality of drawing fully, particularly to the making of pump tower triangular mast.
Summary of the invention
The objective of the invention is to propose a kind of manufacturing approach of pump tower triangular mast of liquid natural gas ship, to realize the rapid construction manufacturing of pump tower triangular mast, improve the construction speed of pump tower, fabricating quality reaches application requirements and suitable large-scale production fully.
The present invention proposes following technical scheme and realizes the foregoing invention purpose:
A kind of manufacturing approach of pump tower triangular mast of liquid natural gas ship; Described pump tower triangular mast supports straight tube by the first main pump pipe, the second main pump pipe, emergent pump line, planar support straight tube, planar support inclined tube, facade and facade support inclined tube is formed; The described first main pump pipe, the second main pump pipe and the parallel placement of emergent pump line isosceles triangle; Fix with planar support straight tube and planar support inclined tube between the first main pump pipe and the second main pump pipe; The first main pump pipe and emergent pump line, the second main pump pipe and emergent pump line support straight tube with facade respectively and facade support inclined tube is fixed, and this method comprises the steps:
The first step, will weld the first main pump pipe and the effective driving of second main pump accomplished and hang on moulding bed, finely tune, make two the arm line of centres and angle square line parallels of moulding bed line of centers on the main pump pipe with laser transit;
The angle of the arm on second step, the adjustment main pump pipe, and the arm of the fixing two main pump pipes of pressure;
The 3rd step, fix after marking the line of centers of two main pump pipes and make its line of centers consistent with laser transit with moulding bed;
The 4th step, on two main pump pipes, mark planar support straight tube and planar support inclined tube, facade according to the arm center and support the installation site that straight tube and facade support inclined tube;
The 5th goes on foot, the lifting of 14 rhizoplanes support straight tube is put in place, and component part NO., length and the thickness of inspection planar support straight tube meet the requirements, and the planar support straight tube position mounting plane of 4. drawing according to step supports straight tube; Guarantee in the installation process that the position, discharge orifice meets the requirements; And every installation one rhizoplane supports straight tube, fixes with spot welding, when adjacent planar support straight tube is installed at once; Measuring diagonal line makes in dimension limit; Carry out spot welding again and fix, according to said method carry out successively, until accomplishing installing and fixing of whole planar support straight tubes;
The 6th goes on foot, the lifting of 16 rhizoplanes support inclined tube is put in place; Component part NO., length and the thickness of inspection planar support inclined tube meet the requirements, and carry out the installation of planar support inclined tube, and the installation site of assurance planar support inclined tube meets the 4. middle main pump Guan Shangyi of step and draws the position; And to the position detection of discharge orifice to meet the requirements; One of every completion is carried out spot welding and fixed, and according to said method carries out successively, and is fixed until the attachment point solid welding of accomplishing whole planar support inclined tubes;
The 7th step, place the welding anti-distortion value respectively, to both sides symmetry welding earlier planar support straight tube, accomplish the back and then weld the planar support inclined tube from the centre to the both sides symmetry from the centre in the front and rear part of the first main pump pipe and the second main pump pipe;
After the 8th step, planar support straight tube and the welding of planar support inclined tube are all accomplished; The measurement of planeness and straightness accuracy is carried out with laser in the completed plane of being made up of the first main pump pipe, the second main pump pipe, planar support straight tube and planar support inclined tube, and carry out suitable adjustment as the case may be in dimension limit;
The 9th goes on foot, accomplishes in welding and interim facade support is installed on the plane of being made up of the first main pump pipe, the second main pump pipe, planar support straight tube and planar support inclined tube and is walked guidance tape;
The tenth step, on emergent pump line, support the installation site that straight tube and facade support inclined tube according to marking facade;
The 11 step, the pump line of will meeting an urgent need lift on the facade support; Going out line of centers with the chalk line frame coincide the line of centers of itself and moulding bed; The line of centers of the emergent pump line of continuous adjustment and the line of centers at flange center's line and support place coincide, and it is consistent to guarantee that it remains in the process of mounting vertical plane support straight tube and facade support inclined tube;
The 12 step, 24 facades are supported straight tubes lift each installation site, main pump pipe both sides, and check that component part NO., length and thickness that each facade supports straight tube to meeting the requirements, support a straight tube according to drawing a good support straight tube position mounting vertical plane; Guarantee that the position, discharge orifice meets the requirements; And one of every completion, fix with spot welding at once, install at the first main pump pipe and the second main pump pipe both sides symmetry; The line of centers that guarantees emergent pump line is consistent with the line of centers of moulding bed all the time; When adjacent facade support straight tube is installed, measure diagonal line and make in dimension limit, carry out spot welding again and fix; According to said method carry out successively, support installing and fixing of straight tube until accomplishing whole facades;
The 13 step, 26 facades are supported inclined tubes lift each installation position, main pump pipe both sides, and component part NO., length and thickness that the inspection facade supports inclined tube meets the requirements, support an inclined tube according to drawing a good support inclined tube position mounting vertical plane; Guarantee that the position, discharge orifice meets the requirements, and one of every completion, fix with spot welding at once; Install at the first main pump pipe and the second main pump pipe both sides symmetry, guarantee that the line of centers of emergent pump line is consistent with the line of centers of moulding bed all the time, when adjacent facade support straight tube is installed; Measuring diagonal line makes in dimension limit; Carry out spot welding again and fix, according to said method carry out successively, support installing and fixing of inclined tube until accomplishing whole facades;
The 14 step, facade assembling is fixing accomplish after, place the welding anti-distortion value in the rear and front end, about support straight tube from the centre to both sides symmetry welding facade simultaneously, accomplish the back then about from the centre to both sides symmetry welding facade support inclined tube;
The 15 step, welding are accomplished after cooling off fully, measure the line of centers and the planeness size of triangle mast member after removing interim facade support and walking guidance tape, and correct the dimension limit that reaches drawing requirement as the case may be.
Technique effect of the present invention:
The triangle mast manufacturing process of LNG ship pump tower of the present invention compares with existing method flat, facade assemble method employing model mode angle in entire making process, and quick, flexible, safety, accurate more seems.1. overcome the influence of straightness accuracy and the welding factor of raw MAT'L pipe, improved the accuracy that support tube is installed, guaranteed the precision of entire pump tower triangular mast the straightness accuracy of the structure of whole triangle mast; 2. adopt last completion of main pump pipe to put down the line of facade support tube, do not need to align with angle board, alleviate workmen's labour intensity while installing; Can focus one's attention on during construction and do something; By-pass line on the emergent pump line is without high-altitude application, and it is safer to construct, and has improved production work efficient; Reduced because of the influence of workmen individual's ability, more met the requirement of large-scale production pump tower triangular mast component quality.
Description of drawings
Fig. 1 is the plan structure figure of pump tower triangular mast on the liquefied natural gas carrier.
Fig. 2 is the formed planar view of two main pump pipes of pump tower triangular mast on the liquefied natural gas carrier.
Fig. 3 is the main pump pipe and the formed planar view of emergent pump line of pump tower triangular mast on the liquefied natural gas carrier.
Among the figure,
The A1-main pump pipe A2-main pump pipe A3-pump line of meeting an urgent need
B1-plane assembling straight tube B2-plane assembling inclined tube
C1-facade assembling straight tube C2-facade assembling inclined tube
The specific embodiment
Come the manufacturing approach of the pump tower triangular mast in the liquefied natural gas carrier of the present invention is done further detailed description below in conjunction with accompanying drawing and concrete embodiment, but can not limit protection scope of the present invention with this.
Pump tower triangular mast of liquid natural gas ship among the present invention mainly comprises following structure: described pump tower triangular mast supports straight tube C1 by the first main pump pipe A1, the second main pump pipe A2, emergent pump line A3, planar support straight tube B1, planar support inclined tube B2, facade and facade support inclined tube C2 forms.
Like Fig. 1, Fig. 2 and shown in Figure 3; Fig. 1 is the plan structure figure of pump tower triangular mast on the liquefied natural gas carrier; Fig. 2 is the formed planar view of two main pump pipes of pump tower triangular mast on the liquefied natural gas carrier, and Fig. 3 is the main pump pipe and the formed planar view of emergent pump line of pump tower triangular mast on the liquefied natural gas carrier.The first main pump pipe A1, the second main pump pipe A2 and emergent pump line A3 among the figure is isosceles triangle and places, and three pipes are parallel to each other on facade.Fix with planar support straight tube B1 and planar support inclined tube B2 between the first main pump pipe A1 and the second main pump pipe A2; Wherein the two ends of planar support straight tube B1 are vertically fixed on the first main pump pipe A1 and the second main pump pipe A2; The two ends of planar support inclined tube B2 are separately fixed at the junction of main pump pipe and planar support straight tube B1, and become the angle of inclination with the main pump pipe.Except that the planar support inclined tube B2 of end; Two adjacent planar that are fixed on planar support inclined tube B2 support between the straight tube B1; Support in the parallelogram that the straight tube B1 and the first main pump pipe A1 and the second main pump pipe A2 surrounded at adjacent plane and to be in diagonal positions, the planar support inclined tube B2 except that the end is parallel mutually.The first main pump pipe A1 and emergent pump line, the second main pump pipe A2 and emergent pump line A3 support straight tube C1 with facade respectively and facade support inclined tube C2 fixes.Because the agent structure of pump tower triangular mast is triangle rib shape, then adopt facade to support straight tube C1 and facade support inclined tube C2 support between the first main pump tower A1 and emergent pump line A3, its tissue is similar with planar support inclined tube B2 with planar support straight tube B1 with welding manner.In like manner, also use facade to support straight tube C1 and facade support inclined tube C2 support between the second main pump pipe A2 and emergent pump line A3, its tissue is similar with planar support inclined tube B2 with planar support straight tube B1 with welding manner.Be fixed with arm respectively on the first main pump pipe A1 and the second main pump pipe A2, arm belongs to and connects the miscellaneous part accessory, when making the main pump pipe, has made completion.And method of the present invention belongs to the first main pump pipe A1, the second main pump pipe A2 and emergent pump line A3 and auxiliary planar support straight tube B1, planar support inclined tube B2, facade supports straight tube C1 and facade supports the installation welding process after inclined tube C2 all completes.
The method of making above-mentioned pump tower triangular mast as the liquefied natural gas carrier core component comprises the steps:
The first step, the first main pump pipe A1 that will weld completion and the second main pump pipe A2 hang on moulding bed with driving; Finely tune with laser transit; Make two the arm line of centres and angle square line parallels of moulding bed line of centers on the main pump pipe; Because the angle square line is vertical with the moulding bed line of centers, with this main pump pipe of confirming two parallel placements lateral alignment whether;
The angle of the arm on second step, the adjustment main pump pipe, and the arm of the fixing two main pump pipes of pressure be not so that two main pump pipes move in work progress;
The 3rd the step, with laser transit mark the line of centers of two main pump pipes and make it and the moulding bed line of centers be consistent after fix;
The 4th step, on two main pump pipes, mark planar support straight tube B1 and planar support inclined tube B2, facade according to arm floor height center and support the installation site that straight tube C1 and facade support inclined tube C2;
The 5th goes on foot, 14 rhizoplanes support straight tube B1 lifting is put in place, and whether component part NO., length and the thickness of inspection planar support straight tube B1 meet the standard size of drawing requirement, and the planar support straight tube position mounting plane of 4. drawing according to step supports straight tube B1; To guarantee in the installation process that the position, discharge orifice meets drawing requirement; And every installation one rhizoplane supports straight tube B1, fixes with spot welding, when adjacent planar support straight tube B1 is installed at once; Measuring diagonal line makes in dimension limit; Carry out spot welding again and fix, according to said method carry out successively, fixed until the attachment point solid welding of accomplishing whole planar support straight tube B1;
The 6th goes on foot, 16 rhizoplanes support inclined tube B2 lifting is put in place; Component part NO., length and the thickness of inspection planar support inclined tube B2 meet drawing requirement, carry out the installation of planar support inclined tube B2, and the installation site of assurance planar support inclined tube meets the 4. middle main pump Guan Shangyi of step and draws the position; And to the position detection of discharge orifice to meet the requirements; One of every completion is carried out spot welding and fixed, and according to said method carries out successively, and is fixed until the attachment point solid welding of accomplishing whole planar support inclined tube B2;
The 7th the step, place the welding anti-distortion value respectively in the front and rear part of the first main pump pipe A1 and the second main pump pipe A2; With the control welding deformation;, follow after accomplishing from the centre to both sides symmetry welding earlier planar support straight tube B1 from the centre to both sides symmetry welding planar support inclined tube B2;
After the 8th step, planar support straight tube B1 and planar support inclined tube B2 welding are all accomplished; The completed plane framework of being made up of the first main pump pipe A1, the second main pump pipe A2, planar support straight tube B1 and planar support inclined tube B2 is carried out the measurement of planeness and straightness accuracy with laser, and carry out suitable adjustment as the case may be in dimension limit;
The 9th goes on foot, accomplishes in welding and interim facade support is installed on the plane of being made up of the first main pump pipe A1, the second main pump pipe A2, planar support straight tube B1 and planar support inclined tube B2 and is walked guidance tape;
The tenth step, on emergent pump line A3, mark facade and support the installation site that straight tube C1 and facade support inclined tube C2 according to drawing;
The 11 step, the pump line A3 that will meet an urgent need lift on the facade support; Going out line of centers with the chalk line frame coincide the line of centers of itself and moulding bed; Constantly the line of centers of the emergent pump line A3 of adjustment and flange center's line of being positioned at emergent pump line A3 end coincide with the line of centers at support place, and it is consistent to guarantee that it remains in mounting vertical plane supports the process of straight tube C1 and facade support inclined tube C2;
The 12 step, 24 facades are supported straight tube C1 lift each installation site, main pump pipe both sides, and check component part NO., length and thickness that each facade supports straight tube C1 to meeting drawing requirement, support a straight tube position mounting vertical plane and support a straight tube C1 according to drawing a good facade; Guarantee that the position, discharge orifice meets the requirements; And one of every completion, fix with spot welding at once, install at the first main pump pipe A1 and the second main pump pipe A2 both sides symmetry; The line of centers that guarantees emergent pump line A3 is consistent with the line of centers of moulding bed all the time; When adjacent facade support straight tube C1 is installed, measure diagonal line and make in dimension limit, carry out spot welding again and fix; According to said method carry out successively, fix until the spot welding of accomplishing whole facade support straight tube C1;
The 13 step, 26 facades are supported inclined tube C2 lift each installation position, main pump pipe both sides, and component part NO., length and thickness that the inspection facade supports inclined tube meets the requirements, support an inclined tube C2 according to drawing a good support inclined tube position mounting vertical plane; Guarantee that the position, discharge orifice meets the requirements; And one of every completion, fix with spot welding at once, install at the first main pump pipe A1 and the second main pump pipe A2 both sides symmetry; The line of centers that guarantees emergent pump line A3 is consistent with the line of centers of moulding bed all the time; When adjacent facade support inclined tube C2 is installed, measure diagonal line and make in dimension limit, carry out spot welding again and fix; According to said method carry out successively, fix until the spot welding of accomplishing whole facade support inclined tube C2;
The 14 step, facade assembling is fixing accomplish after, add the welding anti-distortion value in the rear and front end, about support straight tube C1 from the centre to both sides symmetry welding facade simultaneously, accomplish the back then about from the centre to both sides symmetry welding facade support inclined tube C2;
The 15 step, welding are accomplished after cooling off fully, measure the line of centers and the planeness size of triangle mast member after removing interim facade support and walking guidance tape, and correct the dimension limit that reaches drawing requirement as the case may be.
Undoubtedly; Large LNG ship pump tower triangular masting dress construction method of the present invention not only is confined to support tube quantity and bind mode cited in the foregoing description; The number value and the bind mode that also comprise other each length; In a word, protection scope of the present invention also comprises other conspicuous for a person skilled in the art conversion.
Claims (1)
1. the manufacturing approach of a pump tower triangular mast of liquid natural gas ship; Described pump tower triangular mast supports inclined tube (C2) by the first main pump pipe (A1), the second main pump pipe (A2), emergent pump line (A3), planar support straight tube (B1), planar support inclined tube (B2), facade support straight tube (C1) and facade and forms; The described first main pump pipe (A1), the second main pump pipe (A2) and the parallel placement of emergent pump line (A3) isosceles triangle; Fixing between the first main pump pipe (A1) and the second main pump pipe (A2) with planar support straight tube (B1) and planar support inclined tube (B2); The first main pump pipe (A1) and emergent pump line (A3), the second main pump pipe (A2) and emergent pump line (A3) support straight tube (C1) with facade respectively and facade support inclined tube (C2) is fixing; It is characterized in that the method for making said pump tower triangular mast comprises the steps:
1. will weld the first main pump pipe of accomplishing (A1) and hang on moulding bed with driving a vehicle, finely tune, make two the arm line of centres and angle square line parallels of moulding bed line of centers on the main pump pipe with laser transit with the second main pump pipe (A2);
2. adjust the angle of the arm on the main pump pipe, and force the arm of fixing two main pump pipes;
3. fixing after marking the line of centers of two main pump pipes with laser transit and making its line of centers consistent with moulding bed;
4. on two main pump pipes, mark the installation site of planar support straight tube (B1) and planar support inclined tube (B2), facade support straight tube (C1) and facade support inclined tube (C2) according to the arm center;
5. 14 rhizoplanes are supported straight tube (B1) lifting and put in place, component part NO., length and the thickness of inspection planar support straight tube (B1) meet the requirements, and the planar support straight tube position mounting plane of 4. drawing according to step supports straight tube (B1); Guarantee in the installation process that the position, discharge orifice meets the requirements; And every installation one rhizoplane supports straight tube (B1), fixes with spot welding, when adjacent planar support straight tube (B1) is installed at once; Measuring diagonal line makes in dimension limit; Carry out spot welding again and fix, according to said method carry out successively, install and fix until the spot welding of accomplishing whole planar support straight tubes (B1);
6. 16 rhizoplanes being supported inclined tube (B2) lifting puts in place; Component part NO., length and the thickness of inspection planar support inclined tube (B2) meet the requirements, and carry out the installation of planar support inclined tube (B2), and the installation site of assurance planar support inclined tube (B2) meets the 4. middle main pump Guan Shangyi of step and draws the position; And to the position detection of discharge orifice to meet the requirements; One of every completion is carried out spot welding and fixed, and according to said method carries out successively, and is fixed until the attachment point solid welding of accomplishing whole planar support inclined tubes (B2);
7. place the welding anti-distortion value respectively in the front and rear part of the first main pump pipe (A1) and the second main pump pipe (A2), to both sides symmetry welding earlier planar support straight tube (B1), follow after accomplishing from the centre to both sides symmetry welding planar support inclined tube (B2) from the centre;
8. after the welding of planar support straight tube (B1) and planar support inclined tube (B2) is all accomplished; The completed plane framework of being made up of the first main pump pipe (A1), the second main pump pipe (A2), planar support straight tube (B1) and planar support inclined tube (B2) is carried out the measurement of planeness and straightness accuracy with laser, and carry out suitable adjustment as the case may be in dimension limit;
9. accomplish in welding and interim facade support is installed on the plane framework of being made up of the first main pump pipe (A1), the second main pump pipe (A2), planar support straight tube (B1) and planar support inclined tube (B2) and is walked guidance tape;
10. go up according to the installation site of marking facade support straight tube (C1) and facade support inclined tube (C2) at emergent pump line (A3);
pump line (A3) of will meeting an urgent need lifts on the facade support; Going out line of centers with the chalk line frame coincide the line of centers of itself and moulding bed; Constantly the line of centers at the line of centers of the emergent pump line (A3) of adjustment and flange center's line and support place coincide, and it is consistent to guarantee that it remains in mounting vertical plane supports the process of straight tube (C1) and facade support inclined tube (C2);
is after the fixing completion of facade assembling; Place the welding anti-distortion value in the rear and front end; About support straight tube (C1) from the centre to both sides symmetry welding facade simultaneously, accomplish the back then about from the centre to both sides symmetry welding facade support inclined tube (C2);
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100377623A CN101318537B (en) | 2008-05-21 | 2008-05-21 | Process for manufacturing pump tower triangular mast of liquid natural gas ship |
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| CN2008100377623A CN101318537B (en) | 2008-05-21 | 2008-05-21 | Process for manufacturing pump tower triangular mast of liquid natural gas ship |
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| CN101318537A CN101318537A (en) | 2008-12-10 |
| CN101318537B true CN101318537B (en) | 2012-05-30 |
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| CN108930260A (en) * | 2017-05-23 | 2018-12-04 | 烟台中集来福士海洋工程有限公司 | The installation method of jack-up unit spud leg |
| CN107972807B (en) * | 2017-11-16 | 2020-04-14 | 中船黄埔文冲船舶有限公司 | Reversely-deformed hull section manufacturing method with additional and release moulding bed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3938591B1 (en) * | 2006-03-30 | 2007-06-27 | 株式会社川崎造船 | Pipe tower natural frequency setting method and structure for marine cargo tanks. |
| KR20070093553A (en) * | 2006-03-14 | 2007-09-19 | 대우조선해양 주식회사 | Shorten method for shipbuilding using gas dome of cargo tank |
| CN200971159Y (en) * | 2006-11-22 | 2007-11-07 | 沪东中华造船(集团)有限公司 | Tower-shaped support of 'door' shaped assembly of liquified gas vessel |
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2008
- 2008-05-21 CN CN2008100377623A patent/CN101318537B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070093553A (en) * | 2006-03-14 | 2007-09-19 | 대우조선해양 주식회사 | Shorten method for shipbuilding using gas dome of cargo tank |
| JP3938591B1 (en) * | 2006-03-30 | 2007-06-27 | 株式会社川崎造船 | Pipe tower natural frequency setting method and structure for marine cargo tanks. |
| CN200971159Y (en) * | 2006-11-22 | 2007-11-07 | 沪东中华造船(集团)有限公司 | Tower-shaped support of 'door' shaped assembly of liquified gas vessel |
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