CN113483261A - LNG-FSRU ship large-scale regasification module mounting base and mounting method - Google Patents
LNG-FSRU ship large-scale regasification module mounting base and mounting method Download PDFInfo
- Publication number
- CN113483261A CN113483261A CN202110714129.9A CN202110714129A CN113483261A CN 113483261 A CN113483261 A CN 113483261A CN 202110714129 A CN202110714129 A CN 202110714129A CN 113483261 A CN113483261 A CN 113483261A
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- Prior art keywords
- base
- plate
- lng
- regasification
- supporting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
Abstract
The invention provides an LNG-FSRU ship large-scale regasification module mounting base and a mounting method, wherein the mounting base comprises a base top plate, a plurality of base connecting brackets, a reverse supporting structure, base supporting members and anti-tilting plates, the base connecting brackets are arranged in a plurality of numbers, the base connecting brackets are symmetrically mounted on the upper end surface of the base top plate, the reverse supporting structure is annularly mounted on the lower end surface of the base top plate, the base supporting members are of a cross structure which is narrow at the top and wide at the bottom and consists of base supporting plates, the anti-tilting plates are arranged between the adjacent base supporting plates, the upper parts of the base supporting plates penetrate through the reverse supporting structure and are in welded connection with the reverse supporting, and the tops of the base supporting plates are in welded connection with the base top plate. The regasification module and the ship body structure are fixedly connected together, so that the regasification module meets the requirement of safe operation under various working conditions, and the base structure of the regasification module is light.
Description
Technical Field
The invention relates to the technical field of SFRU (Floating Storage and Regasification Unit) construction, in particular to an LNG-FSRU ship large-scale Regasification module mounting base and a mounting method.
Background
The floating type storage and regasification device for FSRU (FSRU) is integrated with multiple functions of LNG receiving, storage, transferring, regasification and export, can be moored at a wharf to serve as an LNG receiving terminal and an LNG transporting station, has excellent navigation rapidity, and can be operated as an LNG ship, so that the floating type storage and regasification device is wide in application range.
Compared to conventional LNG ships, FSRUs have their particularity: a regasification system. The regasification system may heat lng from the cargo tank at-162 c using heat from seawater (or other medium) to vaporize it and transport it out to an onshore gas facility. The regasification module is characterized in that a regasification system is integrated through a certain frame to form an integral module, and the regasification module is convenient to debug.
The regasification module needs to be installed on the deck through the base, and the lightweight of the regasification module mounting base needs to be met in addition to the requirement of ensuring safe operation of the regasification module under various working conditions.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a large regasification module mounting base for LNG-FSRU ships, which achieves a light regasification module mounting base structure in addition to the requirement of ensuring safe operation of the regasification module under various operating conditions. In addition, the invention also provides an installation method of the large regasification module installation base of the LNG-FSRU ship.
In order to achieve the above objects and other related objects, the present invention adopts the following technical solutions:
the invention provides a large regasification installation base for an LNG-FSRU ship, which comprises a base top plate, base connecting brackets, a reverse support structure, a base support member and anti-tilting plates, wherein the base top plate is circular, the base connecting brackets are arranged in a plurality of numbers, the base connecting brackets are symmetrically arranged on the upper end surface of the base top plate, the reverse support structure is annularly arranged on the lower end surface of the base top plate, the base support member is of a cross structure with a narrow top and a wide bottom and is composed of base support plates, the anti-tilting plates are arranged between the adjacent base support plates, the upper parts of the base support plates penetrate through the reverse support structure and are connected with the reverse support in a welding mode, and the tops of the base support plates are connected with the base top plate in a welding mode.
As a preferable technical solution, the height of the reverse support structure is periodically changed, the connection position between the reverse support structure and the base support plate is a maximum height value, and the midpoint of the reverse support structure located adjacent to the base support plate is a minimum height value.
As a preferable technical solution, the free edge of the anti-roll plate is connected with the base support plate through a reinforcing rib, and the reinforcing rib is arranged along the length direction of the base support plate.
As the preferred technical scheme, the bottom of the base support plate is welded with reinforcing round steel along the length direction.
As a preferable technical scheme, the number of the base connecting toggle plates is 4, and included angles of every two adjacent base connecting toggle plates are equal.
Preferably, the base connecting toggle plate is a triangular structure made of Z-direction steel.
According to the preferable technical scheme, the base supporting plates are connected through deep fusion welding, and the base supporting plates are connected with the base top plate through full-fusion penetration welding.
As a preferred technical scheme, the included angle of the end part of the bottom of the base support plate is 15 degrees.
In a second aspect of the present invention, there is provided a method for installing a large regasification installation base for an LNG-FSRU ship, comprising the steps of: and welding the support piece of the regasification module with the base connecting toggle plate, enabling the reverse support structure to be propped against the support piece of the regasification module, and welding the bottom of the base support plate to the deck in a deep fusion welding mode.
As described above, the full inventive name of the present invention has the following advantageous effects: on the premise of ensuring the rigidity and fatigue performance requirements of the base, the regasification module and the ship body structure are fixedly connected together through the base connecting toggle plate, the reverse supporting structure, the base supporting member and the anti-tilting plate, so that the regasification module meets the requirements of safe operation under various working conditions, and the base structure of the regasification module is light.
Drawings
Fig. 1 is a schematic structural view of a large regasification installation base for an LNG-FSRU vessel according to the present invention.
Fig. 2 is a schematic cross-sectional view of a large regasification installation base for an LNG-FSRU vessel according to the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
FIG. 4 is a schematic view of an expanded configuration of the inverted support structure.
FIG. 5 is a schematic bottom view of the top plate of the susceptor in one embodiment.
FIG. 6 is a schematic bottom view of a top plate of a base in another embodiment.
FIG. 7 is a schematic bottom view of a top plate of a susceptor in accordance with still another embodiment.
FIG. 8 is a bottom view of a mounting base according to an embodiment.
Fig. 9 is a schematic bottom structure view of a mounting base in another embodiment.
Fig. 10 is a schematic bottom structure view of a mounting base in another embodiment.
Wherein the reference numerals are specified as follows: the base comprises a base top plate 1, a reverse supporting structure 2, a base supporting plate 3, an anti-tilt plate 4, a base connecting toggle plate 5, reinforcing round steel 6 and reinforcing ribs 7.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 10. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The embodiment provides a large-scale regasification mounting base of LNG-FSRU ship, including base roof 1, pedestal connection bracket 5, reverse bearing structure 2, base supporting member and anti-tilt plate 4, base roof 1 is circular, pedestal connection bracket 5 sets up to a plurality of, 5 symmetric installations in the up end of base roof 1 of a plurality of pedestal connection bracket, 2 annular installations in the lower terminal surface of base roof 1 of reverse bearing structure, the narrow wide crossing structure down in the upper portion that base supporting member comprises base support plate 3, be provided with anti-tilt plate 4 between the adjacent base support plate 3, reverse bearing structure 2 is passed on base support plate 3's upper portion and with reverse support welded connection, base support plate 3's top and base roof 1 welded connection.
The height of the reverse supporting structure 2 is changed periodically, the joint of the reverse supporting structure 2 and the base supporting plate 3 is the maximum height value, and the midpoint of the reverse supporting structure 2, which is positioned at the adjacent base supporting plate 3, is the minimum height value.
The free edge of the anti-roll plate 4 is connected with the base support plate 3 through a reinforcing rib 7, and the reinforcing rib 7 is arranged along the length direction of the base support plate 3.
The bottom of the base support plate 3 is welded with reinforcing round steel 6 along the length direction.
The number of the base connecting toggle plates 5 is 4, and the included angles of every two adjacent base connecting toggle plates 5 are equal.
The base connecting toggle plate 5 is a triangular structure made of Z-direction steel.
The form of the supporting member of the base can be selected from various forms, and the supporting member can be arranged into a cross shape and an X shape according to the arrangement of the ship structure, or the supporting member can be in a combined form.
Due to the fact that the weight of the regasification module is large, when the FSRU is required to be considered to be used as an LNG ship to operate, the navigational speed is high, the load borne by the base is large, the base support plates 3 are mutually connected through deep fusion welding, the base support plates 3 are connected with a ship deck through full penetration welding, the base support plates 3 are connected with the base top plate 1 through full penetration welding, other components are connected through fillet welding, and welding feet are selected according to the plate thickness of the connecting position. As a preferred technical scheme, the included angle of the end part of the bottom of the base support plate 3 is 15 degrees.
The installation method of the embodiment comprises the following steps: the support piece of the regasification module is connected with the base connecting toggle plate 5 in a welding mode, the reverse support structure 2 is abutted to the support piece of the regasification module, and the bottom of the base support plate 3 is welded to the deck in a deep fusion welding mode.
The base is mutually independent, can be flexibly adjusted according to the number and the position supported by the regasification module, is convenient to hoist and mount on site, and has the performance of convenient maintenance.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The large regasification module mounting base for the LNG-FSRU ship is characterized by comprising a base top plate, a base connecting toggle plate, a reverse supporting structure, a base supporting member and an anti-tilting plate, wherein the base top plate is circular, the base connecting toggle plate is set to be a plurality of, the base connecting toggle plate is symmetrically mounted on the upper end face of the base top plate, the reverse supporting structure is annularly mounted on the lower end face of the base top plate, the base supporting member is of a cross structure with a narrow upper part and a wide lower part and is composed of base supporting plates, the anti-tilting plate is arranged between the adjacent base supporting plates, the upper part of each base supporting plate penetrates through the reverse supporting structure and is in welded connection with the corresponding reverse supporting, and the top of each base supporting plate is in welded connection with the corresponding base top plate.
2. The LNG-FSRU vessel large scale regasification module mounting base of claim 1 wherein the height of the counter support structure varies periodically, the height of the counter support structure at the junction of the counter support structure and the base support plate is at a maximum, and the height of the counter support structure at the midpoint of the adjacent base support plate is at a minimum.
3. The LNG-FSRU vessel large scale regasification module mounting base of claim 1, wherein the free edge of the anti-roll plate is connected to the base support plate by a reinforcing rib, and the reinforcing rib is provided along a length direction of the base support plate.
4. The LNG-FSRU vessel large scale regasification module mounting base of claim 1, wherein the base support plate has reinforcing round bars welded to the bottom along the length direction.
5. The LNG-FSRU vessel large scale regasification module mounting base as claimed in claim 1, wherein the number of the base coupling toggle plate is 4, and the included angle of the base coupling toggle plate is equal between every two adjacent base coupling toggle plates.
6. The LNG-FSRU vessel large scale regasification module mounting base of claim 1, wherein the base coupling bracket is a triangular structure made of Z-direction steel.
7. The LNG-FSRU vessel large scale regasification module mounting base of claim 1, wherein the base support plate is attached by deep fusion welding and the base support plate is attached to the base top plate by full penetration welding.
8. The LNG-FSRU vessel large scale regasification module mounting base of claim 1, wherein the base support plate bottom includes an included angle of 15 degrees at its ends.
9. A method for installing a large regasification module installation base of an LNG-FSRU ship is characterized by comprising the following steps: and welding the support piece of the regasification module with the base connecting toggle plate, enabling the reverse support structure to be propped against the support piece of the regasification module, and welding the bottom of the base support plate to the deck in a deep fusion welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714129.9A CN113483261A (en) | 2021-06-25 | 2021-06-25 | LNG-FSRU ship large-scale regasification module mounting base and mounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110714129.9A CN113483261A (en) | 2021-06-25 | 2021-06-25 | LNG-FSRU ship large-scale regasification module mounting base and mounting method |
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| CN113483261A true CN113483261A (en) | 2021-10-08 |
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| CN202110714129.9A Pending CN113483261A (en) | 2021-06-25 | 2021-06-25 | LNG-FSRU ship large-scale regasification module mounting base and mounting method |
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| JP2004074981A (en) * | 2002-08-21 | 2004-03-11 | Mitsubishi Heavy Ind Ltd | Stay bracket for flying passage of lng carrier |
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| WO2015079135A1 (en) * | 2013-11-29 | 2015-06-04 | Gaztransport Et Technigaz | Self-supporting box structure for the thermal insulation of a fluid storage tank |
| CN204822045U (en) * | 2015-08-07 | 2015-12-02 | 中国舰船研究设计中心 | Marine muffler bearing structure |
| 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 |
| CN109649578A (en) * | 2018-12-14 | 2019-04-19 | 大连中远海运重工有限公司 | Marine worker ship deck upper module pedestal and fabrication and installation method |
| CN209064296U (en) * | 2018-07-19 | 2019-07-05 | 沪东中华造船(集团)有限公司 | A kind of multi-functional anti-dumping of Type B LNG fuel compartment and vertical supporting device |
| CN110877654A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Reinforced structure of LNG-FSRU regasification module |
-
2021
- 2021-06-25 CN CN202110714129.9A patent/CN113483261A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074981A (en) * | 2002-08-21 | 2004-03-11 | Mitsubishi Heavy Ind Ltd | Stay bracket for flying passage of lng carrier |
| WO2015079135A1 (en) * | 2013-11-29 | 2015-06-04 | Gaztransport Et Technigaz | Self-supporting box structure for the thermal insulation of a fluid storage tank |
| CN104477364A (en) * | 2015-01-04 | 2015-04-01 | 武昌船舶重工集团有限公司 | Electromechanical device installing base and ship |
| CN204822045U (en) * | 2015-08-07 | 2015-12-02 | 中国舰船研究设计中心 | Marine muffler bearing structure |
| 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 |
| CN209064296U (en) * | 2018-07-19 | 2019-07-05 | 沪东中华造船(集团)有限公司 | A kind of multi-functional anti-dumping of Type B LNG fuel compartment and vertical supporting device |
| 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 |
| CN109649578A (en) * | 2018-12-14 | 2019-04-19 | 大连中远海运重工有限公司 | Marine worker ship deck upper module pedestal and fabrication and installation method |
| CN110877654A (en) * | 2019-11-05 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Reinforced structure of LNG-FSRU regasification module |
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Application publication date: 20211008 |
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