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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＞＞
|
Environment
|
Location
|
Coating grade
|
Protection plan
|
Road number
|
thickness(μm)
|
Total dry film thickness(μm)
|
|
I: Inland cities and industrial atmospheric environment, moderate SO2 pollution
|
Outer surface of wind turbine tower/outer surface of engine room
|
C3
|
Secondary surface treatment
|
Sandblasted to Sa2.5 level, surface roughness is Rz 50～80µm
|
||
|
Cold spray zinc
|
1
|
50
|
180
|
|||
|
Intermediate paint
|
1
|
80
|
||||
|
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
|
||||
|
Ⅱ: Inland cities and industrial atmospheric dust environment, moderate SO2 pollution
|
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
|
||
|
Cold spray zinc
|
1
|
50
|
300
|
|||
|
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
|
||||
|
Flange
|
|
Cold spray zinc
|
2
|
80~120
|
|
|
|
Flange bolt hole
|
|
Cold spray zinc
|
2
|
80~120
|
|
|
|
fastener
|
|
Cold spray zinc
|
2
|
80~120
|
|
|
|
platform
|
|
Cold spray zinc
|
2
|
80~120
|
|
|
Reference System for Maintenance and Painting of Wind Power Equipment＞＞
|
Examples of painted parts
|
Protection plan
|
Road number
|
thickness(μm)
|
|
Bolts and flanges
|
Surface pretreatment
|
Sandblasting and rust removal reach Sa2.5 level
|
|
|
Cold spray zinc primer
|
1
|
80-120
|
|
|
Tower
|
Surface pretreatment
|
Sandblasting and rust removal reach Sa2.5 level
|
|
|
Cold spray zinc primer
|
1
|
80
|
|
|
Epoxy Mica Intermediate Paint
|
1
|
60-80
|
|
|
Fluorocarbon topcoat
|
1
|
60
|
|
Wind Power Industry Painting Case
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Public Security Record No. 32021102000961| Su (tin) dangerous chemical word 02802