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Manufacturing method of offshore wind turbine base

A technology for wind turbines and seabeds, which is applied in the directions of installing/supporting the configuration of wind turbines, wind power generation, engine components, etc., can solve the problem of high cost of base construction, and achieve convenient transportation and installation, improved alloy strength, and increased strength. Effect

Active Publication Date: 2017-02-15
山东国创精密机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Offshore wind turbines are getting more and more attention due to the relatively low cost of offshore land, but due to the construction of wind turbines offshore, the construction cost of the base is much higher than that on land

Method used

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  • Manufacturing method of offshore wind turbine base
  • Manufacturing method of offshore wind turbine base

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A method for preparing an offshore wind generator base, the wind generator base includes a tower lower end and a seabed foundation.

[0037] The lower end of the tower tube is hollow in the shape of a truncated cone, including a tube wall, an inner rod and a crossbeam. for connecting the barrel wall and the inner rod.

[0038] The seabed foundation includes a support part affixed to the circular platform at the lower end of the tower and a conical column embedded in the seabed. There are 8 conical columns, the upper ends of which are all affixed to the support part, and the lower end Wedge into the seabed, the tapered column is a hollow structure, the upper section is cylindrical, the lower section is conical, and filler injection ports are arranged on the top side.

[0039] The material of the tapered column is high-strength stainless steel, and the high-strength stainless steel is calculated by mass percentage: C: 0.03%, Si: 0.6~1.0%, Mn: 1.5%, Cr: 6.2%, Ni: 2.3%, N...

Embodiment 2

[0056] A method for preparing an offshore wind generator base, the wind generator base includes a tower lower end and a seabed foundation.

[0057] The lower end of the tower tube is hollow in the shape of a frustum of a cone, including a tube wall, an inner rod and a crossbeam. for connecting the barrel wall and the inner rod.

[0058] The seabed foundation includes a support part affixed to the circular platform at the lower end of the tower and a conical column embedded in the seabed. There are 10 conical columns, the upper ends of which are all affixed to the support part, and the lower end Wedge into the seabed, the tapered column is a hollow structure, the upper section is cylindrical, the lower section is conical, and filler injection ports are arranged on the top side.

[0059] The material of the tapered column is high-strength stainless steel, and the high-strength stainless steel is calculated by mass percentage: C: 0.05%, Si: 0.8%, Mn: 1.6%, Cr: 6.8%, Ni: 2.5%, N:...

Embodiment 3

[0078] A method for preparing an offshore wind generator base, the wind generator base includes a tower lower end and a seabed foundation.

[0079] The lower end of the tower tube is hollow in the shape of a frustum of a cone, including a tube wall, an inner rod and a crossbeam. for connecting the barrel wall and the inner rod.

[0080] The seabed foundation includes a support part affixed to the circular platform at the lower end of the tower and a conical column embedded in the seabed. There are 8 conical columns, the upper ends of which are all affixed to the support part, and the lower end Wedge into the seabed, the tapered column is a hollow structure, the upper section is cylindrical, the lower section is conical, and filler injection ports are arranged on the top side.

[0081] The material of the tapered column is high-strength stainless steel, and the high-strength stainless steel is calculated by mass percentage: C: 0.06%, Si: 0.9%, Mn: 1.9%, Cr: 6.9%, Ni: 2.68%, N:...

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Abstract

The invention relates to a manufacturing method of an offshore wind turbine base. The wind turbine base comprises a tower tube lower end and a seabed foundation connected with the tower tube lower end. Through improvement of all the steps of manufacturing methods of the tower tube lower end and the seabed foundation, the service life of a whole offshore wind turbine is greatly prolonged.

Description

technical field [0001] The invention belongs to the fields of alloy heat treatment and wind power generation, and in particular relates to a method for preparing a base of an offshore wind power generator. Background technique [0002] Offshore wind turbines are attracting more and more attention due to the relatively low cost of offshore land. However, due to the construction of wind turbines offshore, the construction cost of the base is much higher than that on land. The base not only needs to be heavy enough to support the impact of waves, but also to avoid maintenance as much as possible. Since the cost of underwater maintenance is much higher than that on land, this requires the base to be very corrosion-resistant and strong, but the cost It cannot be increased too much, and the composition of seawater in different sea areas is different, and the anti-corrosion situation of the base also needs to be treated separately. Contents of the invention [0003] The inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D13/25C21D6/04C21D1/18C22C38/02C22C38/04C22C38/48C22C38/50C22C23/00C22F1/06C04B28/00
CPCC04B28/00C21D1/18C21D6/004C21D6/04C22C23/00C22C38/001C22C38/005C22C38/02C22C38/04C22C38/48C22C38/50C22F1/06F05B2240/95C04B14/08C04B14/041C04B14/20C04B22/08C04B22/12C04B24/383C04B22/10E02D27/425E02D27/525F05B2280/1025F05B2280/1074F03D13/22F03D13/25Y02E10/72Y02E10/727Y02P70/50
Inventor 李白
Owner 山东国创精密机械有限公司
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