Method for preparing anticorrosive coating on ocean wind power tower drum

A technology for wind power towers and coatings, which is applied in the fields of coating, wind energy power generation, and metal material coating processes, can solve the problems of complex preparation process, cumbersome process, and easy coating failure, achieve good process performance and reduce labor. , the effect of reducing process complexity

Active Publication Date: 2020-09-04
YANGJIANG HIGH POWER LASER APPLICAITON LAB CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the problems of traditional anti-corrosion coatings for offshore wind power towers, such as complex preparation process, cumbersome proce...

Method used

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  • Method for preparing anticorrosive coating on ocean wind power tower drum
  • Method for preparing anticorrosive coating on ocean wind power tower drum
  • Method for preparing anticorrosive coating on ocean wind power tower drum

Examples

Experimental program
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Embodiment 1

[0061] Such as figure 1 Shown: this embodiment provides a kind of method for preparing the anticorrosion coating of offshore wind power tower tube, and this method is:

[0062] (1) Nickel 60 (Ni60) powder is used according to actual needs, and the element content of the powder is shown in Table 1. The particle size range of the powder is 15-55μm, the powder sphericity is 97%, the proportion of the powder particle size segment is: 15-25μm accounts for 10%, 26-35μm accounts for 30%, 36-45μm accounts for 50%, 46-55μm Accounting for 10%. Dry it in a vacuum oven at 150°C and keep it warm for 3 hours.

[0063] (2) Place the grade Q345 plate substrate on the machine tool and fix it. The ultra-high-speed laser cladding head is above the plate and vertically downward. Adjust the ultra-high-speed laser cladding head to a suitable position.

[0064] (3) Use ultra-high-speed laser cladding equipment to use appropriate technology to clean the surface of the plate under the condition of ...

Embodiment 2

[0079] Such as figure 2 As shown: this embodiment provides a method for preparing an anti-corrosion coating for an offshore wind power tower by ultra-high-speed laser cladding, which includes the following process steps: firstly, the plate is rolled and welded into a cylinder member, and the weld is smoothed, Then it is fixed on the machine tool stably, and the ultra-high-speed laser cladding equipment is used for laser cleaning when the powder is not being fed. After cleaning, the coaxial powder-feeding ultra-high-speed laser cladding method is used to clad the cobalt-based anti-corrosion coating on the surface of the cylinder. Then use mechanical fine polishing to make the size and surface roughness of the processed parts reach the specified value. Its specific process steps are:

[0080] (1) The powder element content of the cobalt-based powder (CoCrMo) is shown in Table (2). After optimized particle size ratio: 15-25μm accounted for 10%, 26-35μm accounted for 25%, 36-45...

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Abstract

The invention relates to a preparation method of an anticorrosive coating on the surface of an ocean wind power tower drum, in particular to a method for preparing the anticorrosive coating on the surface of the ocean wind power tower drum by using a high-speed laser cladding technology. The method comprises the following steps of carrying out laser cleaning on the surface of a drum body by usingultra-high-speed laser cladding equipment under the condition of not feeding powder, and carrying out ultra-high-speed laser cladding by using alloy powder with a reasonably configured powder particlesize ratio as a cladding material. The defects that a traditional ocean wind power tower anti-corrosion coating is complex in manufacturing process and tedious technology, the binding force of coating protection and a base body is weak, the service life of the coating is short, and damage is prone to happening are overcome. Meanwhile, the method is high in productivity, the production cost is saved, and the production process is easy to realize automation and intellectualization.

Description

technical field [0001] The invention belongs to the field of laser additive preparation, and relates to the preparation of anticorrosion coatings for large cylindrical parts by laser cladding, in particular to a method for preparing anticorrosion coatings for marine wind power towers by using ultra-high-speed laser cladding technology. [0002] technical background [0003] Corrosion of materials occurs in various fields of the nation, which not only causes huge economic losses but also seriously affects the safety performance of components. my country will build several large-scale offshore wind farms in the South China Sea and other sea areas, and the offshore wind power tower is a key part of marine wind power equipment. Improving its anti-corrosion performance has huge economic and engineering significance. [0004] Offshore wind power towers generally use Q345D steel. As a large-scale offshore steel structure, offshore wind power has been exposed to harsher corrosion en...

Claims

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Application Information

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IPC IPC(8): C23C24/10C22C19/05C22C30/00
CPCC23C24/103C22C19/056C22C19/07C22C30/00Y02E10/727
Inventor 张瑞华康平尹燕路超肖梦智栗子林张圆刘燕红邱桥华炳钟林晓云
Owner YANGJIANG HIGH POWER LASER APPLICAITON LAB CO LTD
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