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Wind power industry solutions
The necessity of anti-corrosion for wind power equipment
The natural conditions of the wind field where the wind power generation equipment is located are quite harsh, with winds above level 4 all year round, accompanied by the alternating effects of wind, sand, strong sunlight, wind, rain, ice and snow, and cold currents and high temperatures. A wind power station located by the sea is also eroded by salt spray. Therefore, effective anti-corrosion measures must be adopted to protect wind turbines and towers, extend their service life, and reduce frequent maintenance work.
Zindn's cold spray zinc series products can provide long-term protection for wind power equipment.
Wind power equipment painting reference system＞＞
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Environment
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Location
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Coating grade
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Protection plan
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Road number
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thickness(μm)
|
Total dry film thickness(μm)
|
|
I: Inland cities and industrial atmospheric environment, moderate SO2 pollution
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Outer surface of wind turbine tower/outer surface of engine room
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C3
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Secondary surface treatment
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Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
|
Cold spray zinc
|
1
|
50
|
180
|
|||
|
Intermediate paint
|
1
|
80
|
||||
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Polyurethane finish
|
1
|
50
|
||||
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The inner surface of the wind turbine tower/the inner surface of the nacelle
|
C3
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
|||
|
Cold spray zinc
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2
|
80
|
180
|
|||
|
Intermediate paint
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1
|
100
|
||||
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Ⅱ: Inland cities and industrial atmospheric dust environment, moderate SO2 pollution
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Outer surface of wind turbine tower/outer surface of engine room
|
C3-Sandstorm
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
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Cold spray zinc
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1
|
50
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300
|
|||
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Intermediate paint
|
2
|
200
|
||||
|
Polyurethane finish
|
1
|
50
|
||||
|
The inner surface of the wind turbine tower/the inner surface of the nacelle
|
C3
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
|||
|
Cold spray zinc
|
2
|
80
|
180
|
|||
|
Intermediate paint
|
1
|
100
|
||||
|
Ⅲ: Industrial areas and coastal areas with moderate salinity
|
Outer surface of wind turbine tower/outer surface of engine room
|
C4
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
|
Cold spray zinc
|
1
|
50
|
220
|
|||
|
Intermediate paint
|
1
|
120
|
||||
|
Polyurethane finish
|
1
|
50
|
||||
|
The inner surface of the wind turbine tower/the inner surface of the nacelle
|
C3
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
|||
|
Cold spray zinc
|
2
|
80
|
180
|
|||
|
Intermediate paint
|
1
|
100
|
||||
|
Ⅳ: Industrial areas with high humidity and harsh atmospheric environment, coastal areas with high salinity
|
Outer surface of wind turbine tower/outer surface of engine room
|
C5
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
|
Cold spray zinc
|
1
|
60
|
320
|
|||
|
Intermediate paint
|
2
|
200
|
||||
|
Polyurethane finish
|
1
|
60
|
||||
|
The inner surface of the wind turbine tower/the inner surface of the nacelle
|
C4
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
|||
|
Cold spray zinc
|
1
|
60
|
260
|
|||
|
Intermediate paint
|
2
|
200
|
||||
|
Ⅴ：Marine atmosphere
|
Outer surface of wind turbine tower/outer surface of engine room
|
CX
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
|
Cold spray zinc
|
1
|
60
|
340
|
|||
|
Intermediate paint
|
1
|
220
|
||||
|
Polyurethane finish
|
1
|
60
|
||||
|
The inner surface of the wind turbine tower/the inner surface of the nacelle
|
C4
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
|||
|
Cold spray zinc
|
1
|
60
|
260
|
|||
|
Intermediate paint
|
2
|
200
|
||||
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Flange
|
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Cold spray zinc
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2
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80~120
|
|
|
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Flange bolt hole
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Cold spray zinc
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2
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80~120
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|
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fastener
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Cold spray zinc
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2
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80~120
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|
|
|
platform
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Cold spray zinc
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2
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80~120
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|
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Reference System for Maintenance and Painting of Wind Power Equipment＞＞
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Examples of painted parts
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Protection plan
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Road number
|
thickness(μm)
|
|
Bolts and flanges
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Surface pretreatment
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Sandblasting and rust removal reach Sa2.5 level
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|
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Cold spray zinc primer
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1
|
80-120
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|
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Tower
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Surface pretreatment
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Sandblasting and rust removal reach Sa2.5 level
|
|
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Cold spray zinc primer
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1
|
80
|
|
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Epoxy Mica Intermediate Paint
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1
|
60-80
|
|
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Fluorocarbon topcoat
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1
|
60
|
|
Wind Power Industry Painting Case
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9/F, Wai Chuang Building, 999 Gaolang East Road, Binhu District, Wuxi
Public Security Record No. 32021102000961| Su (tin) dangerous chemical word 02802
