CN110877654A - Reinforced structure of LNG-FSRU regasification module - Google Patents
Reinforced structure of LNG-FSRU regasification module Download PDFInfo
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- CN110877654A CN110877654A CN201911069820.5A CN201911069820A CN110877654A CN 110877654 A CN110877654 A CN 110877654A CN 201911069820 A CN201911069820 A CN 201911069820A CN 110877654 A CN110877654 A CN 110877654A
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- fsru
- lng
- radian
- tilt
- plate
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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
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
Abstract
The invention discloses a reinforced structure of an LNG-FSRU regasification module, which comprises: the first radian plate is vertically welded on the surface of the ship body structure; the second radian plate and the third radian plate are symmetrically and vertically welded on the first radian plate, and the second radian plate and the third radian plate are vertically welded on the surface of the ship body structure; the bottom surface of the circular platform panel is fixedly welded with the tops of the first radian plate, the second radian plate and the third radian plate; and a support cylinder. The invention effectively prevents the radian plate from buckling failure and strength damage, and simultaneously, the arc transition design at the bottom of the radian plate can effectively support the weight of LNG-FSRU regasification module equipment, effectively reduce the stress concentration phenomenon at the toe end of the radian plate and prolong the service life of the LNG-FSRU regasification module ship body supporting seat device.
Description
Technical Field
The invention belongs to the technical field of ships, and particularly relates to a reinforcing structure of an LNG-FSRU regasification module.
Background
During the navigation process of the LNG-FSRU on the water surface, the LNG-FSRU is subjected to environmental loads such as wind, wave and flow, and the like, so that the motion states of the ship body such as rolling, pitching and heaving can be generated. The regasification module unit equipment installed on the LNG-FSRU can also move along with the movement of the ship, so that the regasification module unit equipment generates a large movement acceleration load, the stress of a support seat device of a hull of the regasification module is further large, particularly, a stress concentration phenomenon is generated at a transition arc structure of a support bracket and the toe end of the bracket, the problem of fatigue is possibly generated, and cracks are easily generated in the operation process. The safety of the regasification modular unit equipment on the LNG-FSRU and the hull support structure thereof is greatly threatened.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a strengthening structure of an LNG-FSRU regasification module.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforcing structure of an LNG-FSRU regasification module, the reinforcing structure comprising: the first radian plate is vertically welded on the surface of the ship body structure; the second radian plate and the third radian plate are symmetrically and vertically welded on the first radian plate, and the second radian plate and the third radian plate are vertically welded on the surface of the ship body structure; the bottom surface of the circular platform panel is fixedly welded with the tops of the first radian plate, the second radian plate and the third radian plate; and
the support cylinder is vertically arranged, the top of the support cylinder supports the regasification module, and the bottom of the support cylinder is welded and fixed on the top surface of the circular platform panel; wherein, first radian board, second radian board, third radian board form a criss-cross bearing structure, the both sides outer fringe of first radian board second radian board and third radian board one side outer fringe outwards all from the top down in proper order include the slope section, with arc section, the toe end of the smooth transition of slope section, the centre of a circle of arc section is in outside the criss-cross bearing structure.
Preferably, the first anti-inclination flat steel and the second anti-inclination flat steel are respectively and vertically welded on two sides of the first radian plate, and the third anti-inclination flat steel and the fourth anti-inclination flat steel are respectively and vertically welded on one outward side of the second radian plate and one outward side of the third radian plate.
Preferably, the two ends of the first anti-tilt flat steel, the second anti-tilt flat steel, the third anti-tilt flat steel and the fourth anti-tilt flat steel are tilted.
Preferably, the first anti-flat-bar, the second anti-flat-bar, the third anti-flat-bar and the fourth anti-flat-bar have a height of 150mm and a bevel angle of 30 degrees at both ends.
Preferably, the first anti-flat-bar, the second anti-flat-bar, the third anti-flat-bar and the fourth anti-flat-bar are all parallel to the corresponding inclined section edges and are 15mm away from the inclined section edges.
Preferably, the reinforcing structure comprises: the annular reinforcing structure is welded in each right angle at the top of the cross-shaped supporting structure, the top of the annular reinforcing structure is welded with the circular platform panel, and the number of the annular reinforcing structure is 4.
Preferably, the bottom of the annular reinforcing structure has an arc structure that is concave upward.
Preferably, the radius of the circular arc segments is 300mm, and the height of the toe end is 15 mm.
Compared with the prior art, the invention has the beneficial effects that: the number of the supporting seat devices of the regasification module ship body can be reduced, the structure enables the phenomena of transition arc structures of the supporting brackets and stress concentration at the toe ends of the supporting brackets to be eliminated, the stress level of the supporting seat of the regasification module ship body is reduced, and the fatigue life of the supporting seat structure is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view at a-a in fig. 1.
Fig. 3 is a schematic cross-sectional view at B-B in fig. 2.
Fig. 4 is a development view of the annular reinforcing structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-4, the present embodiment provides a reinforced structure of an LNG-FSRU regasification module, the reinforced structure including: the first radian plate 1 is vertically welded on the surface 2 of the ship body structure; the second cambered plate 3 and the third cambered plate 4 are symmetrically and vertically welded on the first cambered plate 1, and the second cambered plate 3 and the third cambered plate 4 are vertically welded on the surface 2 of the ship body structure; the top of the first radian plate 1, the top of the second radian plate 3 and the top of the third radian plate 4 are fixedly welded on the bottom surface of the circular platform panel 5 which is parallel to the surface 2 of the ship body structure; and
the supporting column 6 is vertically arranged, the top of the supporting column 6 supports the regasification module, and the bottom of the supporting column 6 is welded and fixed on the top surface of the circular platform panel 5; wherein, first radian board 1, second radian board 3, third radian board 4 form a criss-cross bearing structure, and the both sides outer fringe of first radian board 1, second radian board 3 and the outer one side outer fringe of third radian board 4 all include slope section 7 from the top down in proper order, with the smooth circular arc section 8, the toe end 9 of transiting of slope section 7, the centre of a circle of circular arc section 8 is outside cross bearing structure.
The first anti-tilt flat steel 10 and the second anti-tilt flat steel 11 are respectively and vertically welded on two sides of the first radian plate 1, and the third anti-tilt flat steel 12 and the fourth anti-tilt flat steel 13 are respectively and vertically welded on one outward side of the second radian plate 3 and the third radian plate 4.
The two ends of the first anti-tilt flat steel 10, the second anti-tilt flat steel 11, the third anti-tilt flat steel 12 and the fourth anti-tilt flat steel 13 are cut.
The first anti-tilt flat steel 10, the second anti-tilt flat steel 11, the third anti-tilt flat steel 12 and the fourth anti-tilt flat steel 13 are 150mm in height, and the bevel angles of the two ends are 30 degrees.
The first anti-tilt flat steel 10, the second anti-tilt flat steel 11, the third anti-tilt flat steel 12 and the fourth anti-tilt flat steel 13 are all parallel to the edges of the corresponding tilt sections 7 respectively and are 15mm away from the edges of the tilt sections 7.
The reinforcing structure includes: and the annular reinforcing structures 14 are welded in each right angle at the top of the cross-shaped supporting structure, the top of each annular reinforcing structure 14 is welded with the circular platform panel 5, and the 4 annular reinforcing structures 14 form an annular structure which is coaxial with the supporting cylinder 6 and has the same diameter.
The bottom of the annular reinforcing structure 14 has an upwardly concave arcuate structure 15.
The radii of the circular arc segments 8 are all 300mm, and the height of the toe end 9 is 15 mm.
When the ship body supporting seat device for the LNG-FSRU regasification module is assembled, the assembling method specifically comprises the following assembling steps:
step 1: welding is carried out aiming at the LNG-FSRU regasification module hull supporting seat supporting component.
Specifically, firstly, the LNG-FSRU regasification module hull supporting seat assembly is welded and fixed by respectively clinging the first anti-flat steel and the second anti-flat steel to the symmetrical circular arc edges of the first radian plate, so that the first anti-flat steel and the second anti-flat steel are equal in angle to the first radian plate edge, and are arranged in parallel, and the distance between the first anti-flat steel and the second anti-flat steel and the first radian plate edge are 15 mm.
Secondly, the third prevention flat steel that inclines is 15mm with second radian flange edge distance, and simultaneously, the third prevention flat steel angle that inclines is the same with third radian flange edge angle to parallel arrangement carries out the assembly welding, and its fourth prevention flat steel that inclines is 15mm with third radian flange edge distance, and the fourth prevention flat steel angle that inclines is the same with third radian flange edge angle, and parallel arrangement carries out the assembly welding.
Then, the first radian plate is respectively and vertically arranged with the second radian plate and the third radian plate in a crossed manner and is vertically welded with the circular platform panel as a whole.
And finally, performing combined welding on the annular reinforcing structure and the circular platform panel to form the LNG-FSRU regasification module ship body supporting seat device.
Step 2: normally hoisting the combined LNG-FSRU regasification module hull supporting seat to a set position, and welding and fixing the LNG-FSRU hull supporting seat and the LNG-FSRU hull structure.
And step 3: after the LNG-FSRU regasification module ship body supporting seat device is fixed on a ship body structure, regasification module equipment is normally hoisted to the position right above the ship body supporting seat device, the position of a regasification module equipment supporting cylindrical structure is adjusted to be aligned with an annular support below a circular platform panel in an enhanced mode and welded, and assembling of the LNG-FSRU regasification module ship body supporting seat device is completed.
The LNG-FSRU regasification module ship body supporting seat device is fixed between the regasification module equipment body and the LNG-FSRU ship body structure. The number and the positions of the installed supporting devices are determined according to the size, the weight and the stress load of the regasification module equipment body.
When the regasification module equipment generates relative vertical motion due to the movement of the ship body, the vertical load of the regasification module equipment is transmitted to the LNG-FSRU regasification module ship body supporting seat through the circular platform panel on the upper portion of the ship body supporting seat and then transmitted to the ship body structure connected with the ship body supporting seat, the vertical load of the regasification module equipment is resisted by the structural counter force generated by the ship body member, and finally the vertical motion and the dead weight of the regasification module equipment are offset.
When the ship moves to generate relative horizontal movement (rolling or pitching movement), the horizontal load (horizontal or longitudinal load) generated by the LNG-FSRU regasification module equipment is transmitted to the radian plates at the front, rear, left and right positions through the circular platform panel at the upper part of the ship supporting seat of the LNG-FSRU regasification module and then transmitted to the ship structure connected with the ship supporting seat, and the horizontal load generated by the regasification module equipment is resisted by the structural counter force generated by the ship structure, so that the rolling and pitching movement is finally counteracted.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (8)
1. A reinforcing structure of an LNG-FSRU regasification module, the reinforcing structure comprising:
the first radian plate (1) is vertically welded on the surface (2) of the ship body structure;
the second cambered plate (3) and the third cambered plate (4) are symmetrically and vertically welded on the first cambered plate (1), and the second cambered plate (3) and the third cambered plate (4) are vertically welded on the surface (2) of the ship body structure;
the circular platform panel (5) is parallel to the surface (2) of the ship body structure, and the tops of the first radian plate (1), the second radian plate (3) and the third radian plate (4) are fixedly welded on the bottom surface of the circular platform panel (5); and
the supporting columns (6) are vertically arranged, the top of each supporting column (6) supports a regasification module, and the bottom of each supporting column (6) is welded and fixed to the top surface of the circular platform panel (5);
wherein, first radian board (1), second radian board (3), third radian board (4) form a criss-cross bearing structure, the both sides outer fringe of first radian board (1) second radian board (3) and third radian board (4) one side outer fringe outwards all from the top down include slope section (7) in proper order, with arc section (8), toe end (9) of the smooth transition of slope section (7), the centre of a circle of arc section (8) is in outside the criss-cross bearing structure.
2. A reinforced structure of an LNG-FSRU regasification module according to claim 1, wherein the first and second anti-tilt flats (10, 11) are vertically welded to both sides of the first cambered plate (1), respectively, and the third and fourth anti-tilt flats (12, 13) are vertically welded to outward facing sides of the second and third cambered plates (3, 4), respectively.
3. A reinforced structure of an LNG-FSRU regasification module according to claim 2, wherein both ends of the first (10), second (11), third (12) and fourth (13) anti-tilt flat bars are chamfered.
4. A reinforced structure of an LNG-FSRU regasification module according to claim 3, wherein the first anti-tilt flat bar (10), the second anti-tilt flat bar (11), the third anti-tilt flat bar (12), the fourth anti-tilt flat bar (13) have a height of 150mm and a both ends cut angle of 30 °.
5. The reinforced structure of an LNG-FSRU regasification module according to claim 4 wherein the first (10), second (11), third (12) and fourth (13) anti-tilt flats are all parallel to the respective corresponding edge of the tilt section (7) and are 15mm from the edge of the tilt section (7).
6. The reinforced structure of an LNG-FSRU regasification module according to claim 1, wherein the reinforced structure comprises:
and the annular reinforcing structures (14) are welded in each right angle at the top of the cross-shaped supporting structure, the top of each annular reinforcing structure (14) is welded with the circular platform panel (5), and 4 annular reinforcing structures (14) form an annular structure which is coaxial with the supporting cylinder (6) and has the same diameter.
7. The reinforcing structure of an LNG-FSRU regasification module according to claim 6, wherein the bottom of the annular reinforcing structure (14) has an arc structure (15) that is concave upward.
8. A reinforced structure of an LNG-FSRU regasification module according to claim 1, wherein the radius of the circular arc segments (8) are 300mm each and the height of the toe end (9) is 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069820.5A CN110877654A (en) | 2019-11-05 | 2019-11-05 | Reinforced structure of LNG-FSRU regasification module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069820.5A CN110877654A (en) | 2019-11-05 | 2019-11-05 | Reinforced structure of LNG-FSRU regasification module |
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| Publication Number | Publication Date |
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| CN110877654A true CN110877654A (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911069820.5A Pending CN110877654A (en) | 2019-11-05 | 2019-11-05 | Reinforced structure of LNG-FSRU regasification module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483261A (en) * | 2021-06-25 | 2021-10-08 | 沪东中华造船(集团)有限公司 | LNG-FSRU ship large-scale regasification module mounting base and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052896A1 (en) * | 2004-11-08 | 2006-05-18 | Shell Internationale Research Maatschappij B.V. | Liquefied natural gas floating storage regasification unit |
| CN205396459U (en) * | 2016-03-08 | 2016-07-27 | 江南造船(集团)有限责任公司 | Fixing support structure between liquefied gas carrier and C type fluid reservoir |
| CN206615344U (en) * | 2017-02-14 | 2017-11-07 | 中国船舶工业集团公司第七0八研究所 | A kind of toe-end structure of the main support component of new oil carrier |
| CN109094730A (en) * | 2018-09-30 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of shock resistance pedestal peculiar to vessel |
| CN109606556A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of diesis shape pedestal and its installation and application |
-
2019
- 2019-11-05 CN CN201911069820.5A patent/CN110877654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052896A1 (en) * | 2004-11-08 | 2006-05-18 | Shell Internationale Research Maatschappij B.V. | Liquefied natural gas floating storage regasification unit |
| CN205396459U (en) * | 2016-03-08 | 2016-07-27 | 江南造船(集团)有限责任公司 | Fixing support structure between liquefied gas carrier and C type fluid reservoir |
| CN206615344U (en) * | 2017-02-14 | 2017-11-07 | 中国船舶工业集团公司第七0八研究所 | A kind of toe-end structure of the main support component of new oil carrier |
| CN109094730A (en) * | 2018-09-30 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of shock resistance pedestal peculiar to vessel |
| CN109606556A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of diesis shape pedestal and its installation and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483261A (en) * | 2021-06-25 | 2021-10-08 | 沪东中华造船(集团)有限公司 | LNG-FSRU ship large-scale regasification module mounting base and mounting method |
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Application publication date: 20200313 |