CN218466487U - Ice breaking device suitable for single-column offshore wind power foundation - Google Patents
Ice breaking device suitable for single-column offshore wind power foundation Download PDFInfo
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- CN218466487U CN218466487U CN202221652117.4U CN202221652117U CN218466487U CN 218466487 U CN218466487 U CN 218466487U CN 202221652117 U CN202221652117 U CN 202221652117U CN 218466487 U CN218466487 U CN 218466487U
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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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Abstract
The utility model provides an ice breaking device suitable for a single-column offshore wind power foundation, which comprises an end ice breaking structure and a middle ice breaking structure; the middle ice breaking structure comprises a right-inverted round table which is connected up and down; the end ice breaking structure comprises a plurality of vertical plates, the planes of the vertical plates are consistent with the radial direction of the single stand column of the offshore wind power foundation, the vertical plates are respectively arranged on the top surface of the upright circular table and the bottom surface of the inverted circular table, and the other ends of the vertical plates are connected to the single stand column of the offshore wind power foundation. The vertical plate is formed like a fin and can also play a role in breaking ice, static wave force and wave moment can be reduced, and the middle ice breaking structure and the end ice breaking structure form an ice breaking whole.
Description
Technical Field
The utility model belongs to the technical field of marine wind power basis, a be applicable to the device that opens ice on marine wind power basis of major diameter single pile is related to.
Background
With the continuous and prominent problem of energy crisis, the power generation by utilizing offshore wind energy has become a trend, and a new chapter of offshore wind power plant development is opened in the sea area of a few cold areas. The current factors restricting the development of offshore wind power comprise three aspects: the technical level is not high, the electricity price is low, the construction cost is high, and the root cause influencing the wind power development is high cost and poor economical efficiency. Since the offshore wind farm is an unmanned platform and the wind farm is composed of a plurality of wind turbines, the safety and the economy of a single wind turbine are of great importance to the development of the whole wind farm. The cost of the wind power infrastructure accounts for 20-30% of the whole wind turbine generator development cost, and the key and difficulty of the current offshore wind power research is the infrastructure, and how to design and select the infrastructure to meet the requirements of sea applicability, structural safety and economy is the final target of infrastructure research. Research shows that the single-pile foundation structure has good stability, wide applicable water depth range, light structure and good economical efficiency, and has great development space in offshore wind power plants in cold regions. The utility model discloses anti ice design is carried out to this basic form.
The sea surface can be grown ice in winter in the cold region, and the vibration of wind-powered electricity generation structure can be aggravated to the sea ice load effect, increases the fatigue damage of structure, reduces the life of wind-powered electricity generation structure. For wind power foundation in cold regions, the economy of the structure must be considered while designing the anti-icing device. By taking reference to the ice-resistant cone structure of the offshore oil platform to carry out ice-resistant design on the wind power foundation, the offshore oil platform generally adopts a mode of combining a regular cone and an inverted cone, the cone height covers the whole ice erosion area, and the cone angle is controlled to be between 40 and 65 degrees.
At present, the ice resisting device of the wind power foundation in the cold region is immature in design, most of ice resisting designs are derived from an offshore oil platform, the structural forms are combined into a positive inverted cone structural form, the wave load of the structure is large, and the economical efficiency is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ice breaking device suitable for single-column offshore wind power basis to the not enough of existence among the prior art.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
the utility model provides an icebreaking device suitable for single-column offshore wind power basis which characterized in that: the ice breaking device comprises an end ice breaking structure and a middle ice breaking structure;
the middle ice breaking structure comprises a right-inverted round table which is connected up and down, and the interior of the round table is hollow and sealed;
the end ice breaking structure comprises a plurality of vertical plates, the planes of the vertical plates are consistent with the radial direction of the single stand column of the offshore wind power foundation, the vertical plates are respectively arranged on the top surface of the upright circular table and the bottom surface of the inverted circular table, and the other ends of the vertical plates are connected to the single stand column of the offshore wind power foundation.
The round platform of the ice breaking device is arranged on the water surface, and the height of the round platform is 20 years when meeting the tidal range height, so that the low sea level is flush with the lower top surface of the inverted (lower) round platform, and the high sea level is flush with the upper top surface of the upright (upper) round platform.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as an optimal technical solution of the utility model: the middle ice breaking structure comprises a side steel plate, a top sealing steel plate and a bottom sealing steel plate, wherein the top sealing steel plate and the bottom sealing steel plate are arranged in a radially surrounding mode along the periphery of a single stand column of the offshore wind power foundation;
the side steel sheet includes side steel sheet and downside steel sheet, side steel sheet and downside steel sheet all form the cone angle with the horizontal plane to go up.
As an optimal technical solution of the utility model: the upper side steel plate and the lower side steel plate form a taper angle of 65 degrees with the horizontal plane.
As an optimal technical solution of the utility model: the middle ice breaking structure further comprises a middle steel plate, the middle steel plate is arranged at the joint of the inverted round tables, and the middle steel plate is arranged to be parallel to the top sealing steel plate and the bottom sealing steel plate so as to form spacing and structural reinforcement between the top sealing steel plate and the bottom sealing steel plate.
As an optimal technical solution of the utility model: 36 vertical plates are included in any end ice breaking structure, so that the interval between two adjacent vertical plates is 10 degrees.
As an optimal technical solution of the utility model: the vertical plate is a right-angled triangular vertical plate, and a right-angled side of the right-angled triangular vertical plate is tightly attached to the outer side wall of the single stand column of the offshore wind power foundation; the right-angle triangular vertical plate is provided with a 65-degree angle, and the 65-degree angle faces to the outer side wall of the single upright post of the offshore wind power foundation.
The utility model provides an ice breaking device suitable for single-column offshore wind power foundation, the ice breaking device has tip structure and the middle part structure of opening ice, connect the round platform that is just inverting from top to bottom and form the structure of opening ice in the middle part, the tip structure of opening ice in the upper and lower both sides of the structure of opening ice in the middle part has a plurality of risers, the riser forms like the fin and can play the effect of opening ice equally, can also reduce quiet wave power and wave moment, the structure of opening ice in the middle part and the structure of opening ice in the tip form an ice-breaking whole; in addition, the bending strength of the sea ice is about 1/3 of the compression strength, the ice breaking device is installed on the outer side of the position, close to the water surface, of the single-column foundation of the ocean wind power platform, and the action mechanism of the sea ice and the ice breaking device is converted into bending damage with the circular truncated cone structure through extrusion damage between the sea ice and the vertical structure, so that the ice force extreme value and the structural ice-induced vibration can be effectively reduced, and the safe operation of the wind power structure is ensured; the middle ice breaking structure is a truncated cone which is connected up and down and is in a positive inverted shape, and is a hollow truncated cone body formed by wrapping a side steel plate, so that the self weight of the ice breaking device is greatly reduced. The utility model provides an ice breaking device suitable for single-column offshore wind power basis compromises the structure again and reduces wave load and better economic nature when satisfying anti ice function, and this anti ice device is the effective measure that promotes the offshore wind power development of cold district.
Drawings
Fig. 1 is a plan view of an ice breaking device suitable for a large-diameter single-pile offshore wind power foundation provided by the present invention;
FIG. 2 is a schematic elevation view of an ice breaking apparatus adapted for a large-diameter single-pile offshore wind power foundation provided by the present invention;
in the figure: 1-a circular truncated cone; 2-single column of offshore wind power foundation; and 3, arranging a vertical plate.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
An ice breaking device suitable for a single-column offshore wind power foundation comprises an end ice breaking structure and a middle ice breaking structure;
the middle ice breaking structure comprises a circular truncated cone 1 (comprising an upper circular truncated cone and a lower circular truncated cone, wherein the upper circular truncated cone is upright, the lower circular truncated cone is inverted, and the upper circular truncated cone and the lower circular truncated cone are welded), which are connected in an up-down manner, and the interior of the circular truncated cone 1 is hollow and sealed;
the end ice breaking structure comprises a plurality of vertical plates 3, the planes of the vertical plates 3 are consistent with the radial direction of the single stand column 2 of the offshore wind power foundation, the vertical plates 3 are respectively arranged on the top surface of the upright circular truncated cone 1 and the bottom surface of the inverted circular truncated cone 1, and the other end of each vertical plate 3 is connected to the single stand column 2 of the offshore wind power foundation.
The round platform 1 of the ice breaking device is arranged on the water surface, and the height of the round platform 1 is 20 years when meeting the tidal range height, so that the low sea level is flush with the lower top surface of the inverted (lower) round platform 1, and the high sea level is flush with the upper top surface of the upright (upper) round platform 1.
The middle ice breaking structure comprises a side steel plate, a top sealing steel plate and a bottom sealing steel plate, and the top sealing steel plate and the bottom sealing steel plate are arranged in a radially surrounding mode along the periphery of the single stand column 2 of the offshore wind power foundation;
the side steel sheet includes side steel sheet and downside steel sheet, goes up side steel sheet and downside steel sheet and all forms the cone angle with the horizontal plane.
The upper side steel plate and the lower side steel plate form a taper angle of 65 degrees with the horizontal plane.
The middle ice breaking structure further comprises a middle steel plate, the middle steel plate is arranged at the joint of the inverted round platforms 1, and the middle steel plate is arranged to be parallel to the top sealing steel plate and the bottom sealing steel plate so as to form spacing and structural reinforcement between the top sealing steel plate and the bottom sealing steel plate.
36 vertical plates are included in any end ice breaking structure, so that the interval between two adjacent vertical plates is 10 degrees.
The vertical plate 3 is a right-angled triangular vertical plate, and a right-angled side of the right-angled triangular vertical plate is tightly attached to and welded on the outer side wall of the single vertical column 2 of the offshore wind power foundation; the right-angled triangular riser has an angle of 65 degrees and the angle of 65 degrees faces the outer side wall of the single upright 2 of the offshore wind power foundation.
The above detailed description is provided for explaining the present invention, and is only a preferred embodiment of the present invention, but not for limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made by the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides an icebreaking device suitable for single-column offshore wind power basis which characterized in that: the ice breaking device comprises an end ice breaking structure and a middle ice breaking structure;
the middle ice breaking structure comprises a right-inverted round table which is connected up and down;
the end ice breaking structure comprises a plurality of vertical plates, the planes of the vertical plates are consistent with the radial direction of the single stand column of the offshore wind power foundation, the vertical plates are respectively arranged on the top surface of the upright circular table and the bottom surface of the inverted circular table, and the other ends of the vertical plates are connected to the single stand column of the offshore wind power foundation.
2. The ice breaking device suitable for the single-column offshore wind power foundation of claim 1, wherein: the middle ice breaking structure comprises a side steel plate, a top sealing steel plate and a bottom sealing steel plate, wherein the top sealing steel plate and the bottom sealing steel plate are arranged in a radially surrounding manner along the periphery of a single stand column of the offshore wind power foundation;
the side steel sheet includes side steel sheet and downside steel sheet, side steel sheet and downside steel sheet all form the cone angle with the horizontal plane to go up.
3. The ice breaking device suitable for the single-column offshore wind power foundation of claim 2, wherein: the upper side steel plate and the lower side steel plate form a taper angle of 65 degrees with the horizontal plane.
4. The ice breaking device suitable for the single-column offshore wind power foundation of claim 2, wherein: the middle ice breaking structure further comprises a middle steel plate, and the middle steel plate is arranged at the joint of the inverted round platforms.
5. The ice breaking device suitable for the single-column offshore wind power foundation of claim 1, wherein: 36 vertical plates are included in any end ice breaking structure, so that the interval between two adjacent vertical plates is 10 degrees.
6. The ice breaking device suitable for single-column offshore wind power foundation of claim 1 or 5, characterized in that: the vertical plate is a right-angled triangular vertical plate, and a right-angled side of the right-angled triangular vertical plate is tightly attached to the outer side wall of the single stand column of the offshore wind power foundation; the right-angle triangular vertical plate is provided with a 65-degree angle, and the 65-degree angle faces to the outer side wall of the single upright post of the offshore wind power foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221652117.4U CN218466487U (en) | 2022-06-28 | 2022-06-28 | Ice breaking device suitable for single-column offshore wind power foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221652117.4U CN218466487U (en) | 2022-06-28 | 2022-06-28 | Ice breaking device suitable for single-column offshore wind power foundation |
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| Publication Number | Publication Date |
|---|---|
| CN218466487U true CN218466487U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221652117.4U Active CN218466487U (en) | 2022-06-28 | 2022-06-28 | Ice breaking device suitable for single-column offshore wind power foundation |
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| CN (1) | CN218466487U (en) |
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2022
- 2022-06-28 CN CN202221652117.4U patent/CN218466487U/en active Active
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