Semi-submersible wind power platform and integration method

Abstract

The invention discloses a semi-submersible wind power platform and an integration method, and belongs to the technical field of ocean engineering construction.The semi-submersible wind power platform comprises a center stand column, a pipe frame and side stand columns, a center hole is formed in the center stand column, the center stand column is connected with the pipe frame through the center hole, and side holes are formed in the side stand columns; the side columns are connected with the ends, away from the central column, of the pipe frames through the side holes. The invention further discloses a semi-submersible wind power platform integration method. A traditional floating type wind power platform building integration mode is changed, large-scale building of the floating type wind power platform is achieved, the occupied time of a final assembly site is shortened, and the building cost is effectively reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of marine engineering construction, and in particular relates to a semi-submersible floating wind power platform and an integration method thereof. Background Art

[0002] At present, the traditional construction and integration method of floating wind power platforms is to prefabricate in sections and then complete the final assembly. However, the traditional construction and integration method has the following disadvantages:

[0003] 1. The assembly site takes a long time to occupy; 2. Crane resources are occupied for a long time and the cost is high; 3. Large-scale batch construction is not possible.

[0004] Therefore, there is an urgent need to design a semi-submersible floating wind power platform and an integration method to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a semi-submersible floating wind power platform and an integration method, which has the advantages of transforming the manufacturing and assembly mode of the semi-submersible wind power platform from "segmented manufacturing-closing" to "column + pipe rack", realizing large-scale production and intensive construction through standardization and modularization, achieving the goal of efficient construction, and solving the problems mentioned in the background technology.

[0006] To achieve the above objectives, the specific technical solutions of a semi-submersible floating wind power platform and integration method of the present invention are as follows: A semi-submersible floating wind power platform comprises a central column, a pipe rack and side columns. The central column is provided with a central hole through which the central column is connected to the pipe rack, and the side columns are provided with side holes through which the side columns are connected to an end of the pipe rack away from the central column.

[0007] Furthermore, the central column includes an upper center column section, a middle center column section and a lower center column section, which are integrated and connected in sequence from top to bottom, and the upper center column section, the middle center column section and the lower center column section are integrated and connected into a central column.

[0008] Furthermore, the center holes are respectively arranged on the upper middle column section and the lower middle column section, and the center holes of the upper middle column section and the lower middle column section are connected to the side columns through a pipe frame.

[0009] Furthermore, the side column includes an upper side column section, a middle side column section and a lower side column section, and the upper side column section, the middle side column section and the lower side column section are integrated and connected in sequence from top to bottom, and the upper side column section, the middle side column section and the lower side column section are integrated and connected into a side column.

[0010] Furthermore, the side holes are respectively arranged on the upper side column section and the lower side column section, and the side holes of the upper side column section and the lower side column section are connected to the central column through a pipe frame.

[0011] Furthermore, the pipe rack includes an upper support, an oblique support and a lower support, the upper support and the lower support are connected by the oblique support, and the central column and the side column are connected by the upper support and the lower support.

[0012] Furthermore, the specific number of groups of central holes corresponds to the specific number of side columns.

[0013] Furthermore, the specific number of the side columns is three, and the three side columns are respectively a first side column, a second side column and a third side column.

[0014] A method for integrating a semi-submersible floating wind power platform, integrating the above-mentioned semi-submersible floating wind power platform, comprises the following steps: S1, prefabrication of the central column; S2, pipe rack prefabrication; S3, prefabrication of side columns; S4, integrating a central column, a pipe rack, and a side column into a main section, and integrating the remaining pipe racks and the remaining side columns into multiple side sections in a one-to-one correspondence; S5. Integrate the main segment with multiple flanking segments.

[0015] Further, in S4, the following steps are included: S11, integrating a central column, a pipe rack and a first side column into a main section; S12, integrating a pipe rack and a second side column into a first side wing segment; S13, integrating a pipe rack and a third side column into a second side wing segment.

[0016] The present invention has the following advantages: the present invention changes the traditional construction integration mode of floating wind power platforms, enables large-scale construction of floating wind power platforms, shortens the time occupied by the assembly site, and effectively reduces the construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the semi-submersible wind power platform of the present invention; Figure 2 It is a structural schematic diagram of the central column of the present invention; Figure 3 It is a structural schematic diagram of the pipe rack of the present invention; Figure 4 It is a structural schematic diagram of the side column of the present invention; Figure 5 It is a structural schematic diagram of the main segment of the present invention; Figure 6 It is a schematic structural diagram of the first wing segment of the present invention; Figure 7 It is a structural schematic diagram of the second wing segment of the present invention; Explanation of markings in the figure: 1. center column; 11. upper center column section; 12. middle center column section; 13. lower center column section; 14. center hole; 2. pipe rack; 21. upper support; 22. inclined support; 23. lower support; 3. side column; 31. first side column; 32. second side column; 33. third side column; 34. upper side column section; 35. middle side column section; 36. lower side column section; 37. side hole; 4. main section; 41. first wing section; 42. second wing section. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0019] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0020] Please refer to the attached Figure 1 To Attachment Figure 7 A semi-submersible floating wind power platform and an integration method of the present invention are described.

[0021] At present, the traditional construction and integration method of floating wind power platforms is to prefabricate in sections and then complete the final assembly. However, the traditional construction and integration method has the following disadvantages:

[0022] 1. The assembly site takes a long time to occupy; 2. Crane resources are occupied for a long time and the cost is high; 3. Large-scale batch construction is not possible.

[0023] Therefore, the semi-submersible floating wind power platform includes a central column 1, a pipe rack 2 and a side column 3. The central column 1 is provided with a central hole 14, and the central column 1 is connected to the pipe rack 2 through the central hole 14. The side column 3 is provided with a side hole 37, and the side column 3 is connected to the end of the pipe rack 2 away from the central column 1 through the side hole 37.

[0024] The center column 1 is connected to the pipe rack 2 through the center hole 14, and the side column 3 is connected to the end of the pipe rack 2 away from the center column 1 through the side hole 37. Preferably, after the center column 1 is connected to the pipe rack 2 through the center hole 14, the center column 1 and the pipe rack 2 are welded and fixed, and after the side column is connected to the end of the pipe rack 2 away from the center column 1 through the side hole 37, the side column 3 and the pipe rack 2 are welded and fixed. In other embodiments of the present invention, they can also be fixed in other ways.

[0025] Furthermore, the central column 1 includes an upper central column section 11, a middle central column section 12 and a lower central column section 13, which are integrated and connected in sequence from top to bottom, and the upper central column section 11, the middle central column section 12 and the lower central column section 13 are integrated and connected into the central column 1.

[0026] Specifically, the upper center column section 11, the middle center column section 12 and the lower center column section 13 are all prefabricated and then integrated into the center column 1. The upper center column section 11, the middle center column section 12 and the lower center column section 13 are integrated and connected by welding. In other embodiments of the present invention, other fixing methods can also be used as long as the upper center column section 11, the middle center column section 12 and the lower center column section 13 can be easily integrated.

[0027] Preferably, the center hole 14 is respectively provided on the upper center column section 11 and the lower center column section 13 , and the center holes 14 of the upper center column section 11 and the lower center column section 13 are connected to the side columns 3 through the pipe frame 2 .

[0028] Specifically, the side column 3 includes an upper side column section 34, a middle side column section 35 and a lower side column section 36, and the upper side column section 34, the middle side column section 35 and the lower side column section 36 are integrated and connected in sequence from top to bottom. The upper side column section 34, the middle side column section 35 and the lower side column section 36 are integrated and connected to form the side column 3. Regarding the integrated connection method of the upper side column section 34, the middle side column section 35 and the lower side column section 36, they can be fixed by welding. In other embodiments of the present invention, other fixing methods can also be used, as long as the upper side column section 34, the middle side column section 35 and the lower side column section 36 can be easily integrated.

[0029] Preferably, the side holes 37 are respectively provided on the upper side column section 34 and the lower side column section 36 , and the side holes 37 of the upper side column section 34 and the lower side column section 36 are connected to the central column 1 through the pipe frame 2 .

[0030] Specifically, the pipe rack 2 includes an upper support 21, an oblique support 22 and a lower support 23. The upper support 21 and the lower support 23 are connected by the oblique support 22, and the central column 1 and the side column 3 are connected by the upper support 21 and the lower support 23. The connection method of the upper support 21, the oblique support 22 and the lower support 23 can be fixed by welding. In other embodiments of the present invention, other fixing methods can also be used as long as the upper support 21, the oblique support 22 and the lower support 23 can be easily integrated.

[0031] Preferably, the center hole 14 on the upper middle column section 11 is welded and fixed to the side hole 37 on the upper side column section 34 through the upper support 21, and the center hole 14 on the lower middle column section 13 is welded and fixed to the side hole 37 on the lower side column section 36 through the lower support 23. In other embodiments of the present invention, the center hole 14 on the upper middle column section 11 can also be welded and fixed to the side hole 37 on the upper side column section 34 through the lower support 23, and the center hole 14 on the lower middle column section 13 is welded and fixed to the side hole 37 on the lower side column section 36 through the upper support 21, as long as the center column 1 can be welded and fixed to the side column 3 through the pipe rack 2.

[0032] The specific number of groups of central holes 14 corresponds to the specific number of side columns 3. Preferably, the specific number of each group of central holes 14 is two.

[0033] Preferably, the specific number of the side columns 3 is three, and the three side columns 3 are respectively a first side column 31 , a second side column 32 and a third side column 33 , so the specific number of groups of the central holes 14 is three.

[0034] A method for integrating a semi-submersible floating wind power platform, integrating the above-mentioned semi-submersible floating wind power platform, comprises the following steps: S1, prefabrication of central column 1; Furthermore, the upper center column section 11 , the middle center column section 12 and the lower center column section 13 are integrated into a central column 1 .

[0035] S2, pipe rack 2 prefabrication; Furthermore, the upper support 21 , the oblique support 22 and the lower support 23 are integrated into the pipe rack 2 .

[0036] S3, prefabrication of side columns 3; Furthermore, the upper side column section 34 , the middle side column section 35 and the lower side column section 36 are integrated into the side column 3 .

[0037] S4, integrating a central column 1, a pipe rack 2, and a side column 3 into a main section 4, and integrating the remaining pipe racks 2 and the remaining side columns 3 into a plurality of side sections in a one-to-one correspondence; Specifically, the central column 1 , a pipe rack 2 and a first side column 31 are integrated into the main segment 4 , a pipe rack 2 and a second side column 32 are integrated into the first wing segment 41 ; a pipe rack 2 and a third side column 33 are integrated into the second wing segment 42 .

[0038] S5, integrating the main segment 4 with multiple wing segments; Specifically, the main segment 4 is integrated with the first wing segment 41 and the second wing segment 42 .

[0039] The present invention realizes the transformation from the manufacturing and assembly mode of "segmented manufacturing-closing" to the manufacturing and assembly mode of "column+pipe rack 2", and realizes large-scale production through standardization and modularization according to the similarity of the structure of the column and the pipe rack 2 and their prefabrication process; at the same time, through the optimization of site layout and integration scheme, large-scale and intensive construction is realized to achieve the goal of efficient construction.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A semi-submersible floating wind power platform, characterized in that: It includes a central column, a pipe rack and side columns. The central column is provided with a central hole through which the central column is connected to the pipe rack. The side columns are provided with side holes through which the side columns are connected to one end of the pipe rack away from the central column.

2. The semi-submersible floating wind power platform according to claim 1, characterized in that: The central column includes an upper central column section, a middle central column section and a lower central column section, which are integrated and connected in sequence from top to bottom, and the upper central column section, the middle central column section and the lower central column section are integrated and connected into a central column.

3. The semi-submersible floating wind power platform according to claim 2, characterized in that: The center holes are respectively arranged on the upper middle column section and the lower middle column section, and the center holes of the upper middle column section and the lower middle column section are connected with the side columns through the pipe frame.

4. The semi-submersible floating wind power platform according to claim 1, characterized in that: The side column comprises an upper side column section, a middle side column section and a lower side column section, which are integrated and connected in sequence from top to bottom, and the upper side column section, the middle side column section and the lower side column section are integrated and connected into a side column.

5. The semi-submersible floating wind power platform according to claim 4, characterized in that: The side holes are respectively arranged on the upper side column section and the lower side column section, and the side holes of the upper side column section and the lower side column section are connected with the central column through a pipe frame.

6. The semi-submersible floating wind power platform according to claim 1, characterized in that: The pipe rack includes an upper support, an inclined support and a lower support. The upper support and the lower support are connected by the inclined support, and the central column and the side column are connected by the upper support and the lower support.

7. The semi-submersible floating wind power platform according to claim 1, characterized in that: The specific number of groups of center holes corresponds to the specific number of side columns.

8. The semi-submersible floating wind power platform according to claim 7, characterized in that: The specific number of the side columns is three, and the three side columns are respectively a first side column, a second side column and a third side column.

9. A method for integrating a semi-submersible floating wind power platform, characterized in that: Integrating a semi-submersible floating wind power platform as described in any one of claims 1 to 8 above comprises the following steps: S1, prefabrication of the central column; S2, pipe rack prefabrication; S3, prefabrication of side columns; S4, integrating a central column, a pipe rack, and a side column into a main section, and integrating the remaining pipe racks and the remaining side columns into multiple side sections in a one-to-one correspondence; S5. Integrate the main segment with multiple flanking segments.

10. The method for integrating a semi-submersible floating wind power platform according to claim 9, characterized in that: In S4, the following steps are included: S11, integrating a central column, a pipe rack and a first side column into a main section; S12, integrating a pipe rack and a second side column into a first side wing segment; S13, integrating a pipe rack and a third side column into a second side wing segment.

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