CN111101497B - Marine booster station structure capable of being integrally transported and installed - Google Patents
Marine booster station structure capable of being integrally transported and installed Download PDFInfo
- Publication number
- CN111101497B CN111101497B CN202010043886.3A CN202010043886A CN111101497B CN 111101497 B CN111101497 B CN 111101497B CN 202010043886 A CN202010043886 A CN 202010043886A CN 111101497 B CN111101497 B CN 111101497B
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- booster station
- booster
- station foundation
- foundation
- transportation
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- 238000009434 installation Methods 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 11
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0034—Maintenance, repair or inspection of offshore constructions
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0039—Methods for placing the offshore structure
- E02B2017/0043—Placing the offshore structure on a pre-installed foundation structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Foundations (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an offshore booster station structure capable of being integrally transported and installed, which comprises a transportation and installation system and a prefabricated structure system, wherein the prefabricated structure system consists of a booster station upper structure and a booster station foundation; the upper structure of the booster station comprises three layers of horizontal steel plates, the three layers of horizontal steel plates are connected through a booster standing column, and a retaining ring is fixed at the top end of the standing column; the booster station foundation is I-shaped and comprises a booster station foundation support arranged along the vertical direction, and the booster station foundation support is hollow; the bottom of the booster station foundation is of a square cylinder structure with an opening at the lower part, and a plurality of sub-cabin plates are arranged in the square cylinder at the bottom of the booster station foundation along the vertical direction; the transportation and installation system comprises a one-step offshore wind turbine transportation and installation ship, and the installation ship is fixed with four hydraulic cylinders and four cranes. The structure can be quickly installed.
Description
Technical Field
The invention relates to an offshore wind power generation structure, in particular to an offshore booster station structure capable of being integrally transported and installed.
Background
The offshore booster station is a hub for connecting the fan and the land power grid, and the electric energy generated by all the wind driven generators is collected and then connected to the land power grid through the outgoing sea cable.
The offshore booster station is generally large in volume, complex in structure, high in installation requirement and short in construction period, and the weight of the offshore booster station can reach 3000 t. Compared with the construction of a land wind power plant, the construction difficulty at sea is high and the construction cost is high due to the influence of wind, waves, currents and other environments. In addition, the booster station generally adopts a pile foundation, the construction process is complex, the construction precision requirement is high, and the higher requirement is provided for the construction and installation of the offshore booster station.
Therefore, in order to more economically, efficiently and safely construct and install the offshore booster station, there is an urgent need for an offshore booster station structure that can be integrally transported and installed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the offshore booster station structure which can safely and efficiently transport and install the whole offshore booster station to a designated position and complete transport and installation work at one time, so that the construction efficiency of the offshore booster station is improved, and meanwhile, the construction cost is reduced.
The technical scheme of the invention is as follows:
the offshore booster station structure capable of being integrally transported and installed comprises a transportation and installation system and a prefabricated structure system, wherein the prefabricated structure system consists of a booster station upper structure and a booster station foundation;
The booster station foundation is I-shaped, the booster station foundation comprises a booster station foundation support arranged along the vertical direction, the booster station foundation support is of a box-shaped structure, a supporting top plate is arranged on the top wall of the booster station foundation support along the horizontal direction, the supporting top plate is used as a bottom plate of the booster station upper structure, the bottom wall of the booster station foundation support is integrally connected with the top wall of a booster station foundation bottom square cylinder, the bottom surface of the booster station foundation bottom square cylinder is of an open structure, a plurality of sub-cabin plates are arranged in the booster station foundation bottom square cylinder along the vertical direction, the top wall of each sub-cabin plate is fixedly connected with the top wall of the booster station foundation bottom square cylinder, water holes are formed in the top wall of the booster station foundation bottom square cylinder, and the water holes are connected with pumping equipment through pumping pipes;
the upper structure of the booster station is arranged above a booster station foundation and comprises three layers of horizontal steel plates which are arranged in parallel at intervals between the upper part and the lower part, the upper part and the lower part of the adjacent horizontal steel plates and the bottom horizontal steel plate are fixedly connected with a supporting top plate through mouth-shaped steel rings with the same structure, the left sides and the right sides of the three layers of horizontal steel plates positioned outside the mouth-shaped steel rings are respectively connected with each other in a penetrating way through front and rear booster station upright posts which are arranged along the vertical direction, the upper end of each booster station upright post penetrates through the top horizontal steel plate and is fixedly connected with the top horizontal steel plate, the lower end of each booster station upright post is inserted into a through hole on the supporting top plate and is fixedly connected with the supporting top plate, and the top end of each booster station upright post is respectively fixedly provided with a retaining ring;
The transportation installation system comprises a one-step type offshore wind turbine transportation installation ship, two hydraulic cylinders are fixed on a left platform and a right platform of the front side of the one-step type offshore wind turbine transportation installation ship at intervals, four hydraulic cylinders are multi-section telescopic hydraulic cylinders, a crane is installed on the left platform and the right platform of the one-step type offshore wind turbine transportation installation ship outside each hydraulic cylinder respectively, the prefabricated structural system is arranged between the two cranes on the left side and the two cranes on the right side, rotating arms of main rods of the four cranes are respectively connected with the upright posts through steel cables to suspend and fix the upright posts one by one, ejector rods of the four hydraulic cylinders are arranged under the upright posts of the four booster stations in a one-to-one mode along the vertical direction, and ejector rods of each hydraulic cylinder can directly jack the bottoms of the upright posts of the booster stations, and the upright posts of the booster stations are connected with the tower of the one-step type offshore wind turbine transportation installation ship through ropes.
Compared with the prior art, the invention has the following advantages and outstanding effects:
By means of the offshore wind turbine transportation and installation ship, the offshore booster station with huge body size can be safely, efficiently and accurately transported and installed to the designated position, and the problems of long offshore operation period, high construction precision requirement and the like of the booster station are solved. The offshore booster station foundation support adopted by the invention adopts a box-shaped structure, so that the overall weight is small and the transportation is convenient; according to the invention, the offshore booster station and the foundation are prefabricated into a whole by using the booster station upright post, and compared with the existing layered installation mode, the offshore operation time in the later period can be reduced; the invention adopts the mode that the lower hydraulic cylinder is mainly and the upper hydraulic cylinder Fang Diaoji is assisted to support the stand column of the offshore booster station, and compared with the prior art, the mode can obviously improve the bearing capacity and reduce the equipment cost and the technical requirements. The invention can meet the transportation and installation requirements of large-scale offshore booster stations, obviously improves the construction efficiency and economy of the offshore booster stations, and has good popularization and application prospects.
Drawings
FIG. 1 is an elevational view of the entire transport and installation system of the offshore booster station of the present invention;
fig. 2 is a perspective view of the entire transportation and installation system of the offshore booster station of the present invention.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings.
As shown in the attached drawing, the offshore booster station structure capable of being integrally transported and installed comprises a transportation and installation system and a prefabricated structure system, wherein the prefabricated structure system consists of a booster station upper structure and a booster station foundation;
The booster station foundation is I-shaped and is formed by prefabricating reinforced concrete structures on land. The booster station foundation include the booster station foundation support 2 that sets up along vertical direction, booster station foundation support 2 be box structure, inside cavity to reduce basis weight. The roof of booster station basic support 2 be provided with along the horizontal direction and support roof 11, support roof 11 as the bottom plate of booster station superstructure 1, the diapire of booster station basic support 2 and the roof an organic whole of booster station basic bottom square tube 3 be connected, the bottom surface of booster station basic bottom square tube 3 be open structure booster station basic bottom square tube 3 in be provided with a plurality of sub-cabinetry boards 12 in order to strengthen basic stability along vertical direction. The top walls of the plurality of sub-deck plates 12 are fixedly connected with the top wall of the square cylinder 3 at the bottom of the booster station foundation, water holes are formed in the top wall of the square cylinder 3 at the bottom of the booster station foundation, the water holes are connected with pumping equipment through pumping pipes, and the water holes sink to the seabed 13 in a pumping mode; the height of the booster station foundation support 2 is ensured that the booster station upper structure 1 is still above the sea surface safety height after the foundation is settled and stabilized;
The booster station superstructure 1 sets up in booster station basis top and includes the parallel interval setting's of upper and lower three-layer horizontal steel plate, all links to each other through the fixed mouthful shape steel ring that the structure is the same between upper and lower adjacent horizontal steel plate and between the horizontal steel plate of bottom and the supporting roof 11. The left sides and the right sides of the three layers of horizontal steel plates positioned outside the mouth-shaped steel ring are respectively connected with each other in a penetrating way through the front booster station upright posts 5 and the rear booster station upright posts 5 which are arranged along the vertical direction. The upper end of each booster station upright post 5 passes through the horizontal steel plate at the topmost layer and is fixedly connected with the horizontal steel plate at the topmost layer, the lower end of each booster station upright post 5 is inserted into a through hole on the supporting top plate 11 and is fixedly connected with the supporting top plate 11, and the top end of each booster station upright post 5 is respectively fixed with a retaining ring 10 for suspension installation of the booster station integral structure.
The transportation and installation system is used for transportation and installation work of the offshore booster station; the transportation and installation system comprises a one-step offshore wind turbine transportation and installation ship 7, wherein the one-step offshore wind turbine transportation and installation ship 7 is used for floating a prefabricated booster station to a designated sea area, and the existing one-step offshore wind turbine transportation and installation ship is adopted.
Two hydraulic cylinders 6 are fixed on the left platform and the right platform of the front side of the one-step offshore wind turbine transportation and installation ship 7 at intervals, four hydraulic cylinders 6 are multi-section telescopic hydraulic cylinders, one crane is respectively installed on the left platform and the right platform of the one-step offshore wind turbine transportation and installation ship 7 positioned on the outer side of each hydraulic cylinder 6, and the prefabricated structural system is arranged between the two cranes on the left side and the two cranes on the right side. The rotating arms 8 of the main rods 4 of the four cranes are respectively connected with the upright post retaining rings 10 one by one through steel cables 9 so as to be suspended and fixed.
Four pneumatic cylinders 6 are along the ejector pin one-to-one setting of vertical direction setting under four booster station stand 5, and the ejector pin of every pneumatic cylinder 6 can directly jack up booster station stand 5's bottom. The weight of the booster station is borne by the hydraulic cylinder 6 and the crane together; the four crane main rods 4 are positioned at two sides of the transportation installation ship 7, the lifting points at all positions are positioned right above the stand column 5 of the booster station through adjusting the rotating arms 8, and the stand column retaining ring 10 is suspended by utilizing the steel cables 9; the booster station upright post 5 is connected with a tower 14 of the one-step offshore wind turbine transportation and installation ship through ropes, so that stability in the booster station transportation and installation process is enhanced.
Specific examples are as follows:
The booster station superstructure 1 designed in this embodiment has dimensions of 30m×30m×20m long×wide×high, and weights about 2000t, the foundation support 2 has dimensions of 10m×10m×22m long×wide×high, and the foundation bottom square tube 3 has dimensions of 30m×30m×8m long×wide×high, and the total foundation weight is about 3000t; the booster station is installed in a sea area with the water depth of 17m, and the clearance height of the booster station is 5m after the booster station is installed; the selected transportation and installation ship 7 is a one-step offshore wind turbine transportation and installation ship, and the size of the transportation and installation ship is 103m multiplied by 50m multiplied by 72m, and the tonnage of the transportation and installation ship is 1.2 ten thousand tons; the selected hydraulic cylinder 6 is a multi-section telescopic hydraulic cylinder, the maximum bearing capacity of a single hydraulic cylinder is 1800t, and the maximum adjustable lifting distance is 20m; the selected crane 4 is a rotary tower crane, the maximum bearing capacity of a single crane is 200t, and the maximum adjustable lifting distance of the tower crane is 42m;
In the transportation process, the hydraulic cylinder 6 at 4 bears 90% of the total weight of the booster station and the foundation, and a single hydraulic cylinder bears 1125t; the crane 4 at the position 4 bears 10% of the total weight of the booster station and the foundation, and the single crane bears 125t; in the installation process, the hydraulic cylinder 6 at the position 4 synchronously decompresses and contracts to enable the booster station and the foundation to stably descend, and the foundation square tube 3 is submerged in the submarine topography 13 by utilizing negative pressure; at the moment, the whole offshore booster station descends by 17m, the supporting top plate is 5m higher than the sea level, and the hydraulic cylinder 6 still has 3m expansion allowance; after the installation is completed, the hydraulic cylinder 6, the steel rope 9 and the installation ship 7 are evacuated, water is filled into the tank through the water hole reserved in the booster station foundation support 2, the self weight of the foundation is increased, and the stability is enhanced.
The foregoing description of the invention is provided to facilitate the understanding and application of the invention to one of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications can be made to the present invention and applied to other embodiments without the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (1)
1. But marine booster station structure of whole transportation installation, its characterized in that: the system comprises a transportation and installation system and a prefabricated structure system, wherein the prefabricated structure system consists of a booster station upper structure and a booster station foundation;
The booster station foundation is I-shaped, the booster station foundation comprises a booster station foundation support arranged along the vertical direction, the booster station foundation support is of a box-shaped structure, a supporting top plate is arranged on the top wall of the booster station foundation support along the horizontal direction, the supporting top plate is used as a bottom plate of the booster station upper structure, the bottom wall of the booster station foundation support is integrally connected with the top wall of a booster station foundation bottom square cylinder, the bottom surface of the booster station foundation bottom square cylinder is of an open structure, a plurality of sub-cabin plates are arranged in the booster station foundation bottom square cylinder along the vertical direction, the top wall of each sub-cabin plate is fixedly connected with the top wall of the booster station foundation bottom square cylinder, water holes are formed in the top wall of the booster station foundation bottom square cylinder, and the water holes are connected with pumping equipment through pumping pipes;
the upper structure of the booster station is arranged above a booster station foundation and comprises three layers of horizontal steel plates which are arranged in parallel at intervals between the upper part and the lower part, the upper part and the lower part of the adjacent horizontal steel plates and the bottom horizontal steel plate are fixedly connected with a supporting top plate through mouth-shaped steel rings with the same structure, the left sides and the right sides of the three layers of horizontal steel plates positioned outside the mouth-shaped steel rings are respectively connected with each other in a penetrating way through front and rear booster station upright posts which are arranged along the vertical direction, the upper end of each booster station upright post penetrates through the top horizontal steel plate and is fixedly connected with the top horizontal steel plate, the lower end of each booster station upright post is inserted into a through hole on the supporting top plate and is fixedly connected with the supporting top plate, and the top end of each booster station upright post is respectively fixedly provided with a retaining ring;
The transportation installation system comprises a one-step type offshore wind turbine transportation installation ship, two hydraulic cylinders are fixed on a left platform and a right platform of the front side of the one-step type offshore wind turbine transportation installation ship at intervals, four hydraulic cylinders are multi-section telescopic hydraulic cylinders, a crane is installed on the left platform and the right platform of the one-step type offshore wind turbine transportation installation ship outside each hydraulic cylinder respectively, the prefabricated structural system is arranged between the two cranes on the left side and the two cranes on the right side, rotating arms of main rods of the four cranes are respectively connected with the upright posts through steel cables to suspend and fix the upright posts one by one, ejector rods of the four hydraulic cylinders are arranged under the upright posts of the four booster stations in a one-to-one mode along the vertical direction, and ejector rods of each hydraulic cylinder can directly jack the bottoms of the upright posts of the booster stations, and the upright posts of the booster stations are connected with the tower of the one-step type offshore wind turbine transportation installation ship through ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043886.3A CN111101497B (en) | 2020-01-15 | 2020-01-15 | Marine booster station structure capable of being integrally transported and installed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043886.3A CN111101497B (en) | 2020-01-15 | 2020-01-15 | Marine booster station structure capable of being integrally transported and installed |
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| Publication Number | Publication Date |
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| CN111101497A CN111101497A (en) | 2020-05-05 |
| CN111101497B true CN111101497B (en) | 2024-09-06 |
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| CN202010043886.3A Active CN111101497B (en) | 2020-01-15 | 2020-01-15 | Marine booster station structure capable of being integrally transported and installed |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112238927B (en) * | 2020-09-17 | 2021-10-26 | 中国能源建设集团广东省电力设计研究院有限公司 | Equipment installation method of offshore booster station |
| CN114715336B (en) * | 2022-04-08 | 2023-05-26 | 长江勘测规划设计研究有限责任公司 | Offshore wind power cylindrical foundation transportation and installation integrated ship suitable for deep water and installation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211735326U (en) * | 2020-01-15 | 2020-10-23 | 天津大学 | Offshore booster station structure capable of being integrally transported and installed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102008041849A1 (en) * | 2008-09-05 | 2010-03-25 | Max Bögl Bauunternehmung GmbH & Co. KG | Off-shore system, foundation of an off-shore system and method for setting up an off-shore system |
| CN203939014U (en) * | 2014-05-30 | 2014-11-12 | 国电联合动力技术有限公司 | A kind of tubular offshore boosting station |
| CN203866805U (en) * | 2014-05-30 | 2014-10-08 | 国电联合动力技术有限公司 | Gravity-type offshore booster station |
| CN106697189A (en) * | 2016-12-29 | 2017-05-24 | 江苏海上龙源风力发电有限公司 | Installation method for float-dragging method offshore type ocean booster station |
| CN110158639A (en) * | 2019-06-12 | 2019-08-23 | 长江勘测规划设计研究有限责任公司 | The offshore boosting station combination foundation being made of jacket and suction tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211735326U (en) * | 2020-01-15 | 2020-10-23 | 天津大学 | Offshore booster station structure capable of being integrally transported and installed |
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