The steel structures of thermal power plants face an extremely harsh "five-high" composite corrosion environment: High temperature and thermal cycling, High humidity and condensation, High concentration of chemical pollutants: dust and particulate matter, High mechanical load and vibration, and High structural costs and risks.
Power plant structures are large and complex; if corrosion causes a shutdown for maintenance, the economic losses will be enormous (potentially millions of yuan per day), and it may also lead to safety accidents (such as structural collapse or leakage). Therefore, stable, reliable, and long-lasting heavy-duty anti-corrosion coatings have become the primary choice for steel structure corrosion protection.
Substation Steel Structure Coating Reference System
Examples Of Painted Parts | Protection Plan | Coat No. | Thickness(μm) |
Substation steel structure surface | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Cold galvanizing compound primer | 2 | 80-120 | |
High-temperature pipelines in substations | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Silicone high temperature resistant paint | 1 | 60 | |
Thermal Power Plant Steel Structure Coating Reference System
Examples Of Painted Parts | Protection Plan | Coat No. | Thickness(μm) |
Air cooling platform/coal shed grid | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Cold galvanizing compound primer | 2 | 100 | |
Silver metallic finish | 1 | 20 | |
Boiler bracket | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Cold galvanizing compound primer | 1 | 80 | |
Cold galvanizing compound sealant 80um | 1 | 80 | |
Polyurethane finish 70um | 1 | 70 | |
Solar Steel Structure Coating Reference System
Examples Of Painted Parts | Protection Plan | Coat No. | Thickness(μm) |
Solar steel structure surface | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Cold galvanizing compound primer | 2 | 80-120 | |
Silver metallic finish | 1 | 60 | |
Power Steel Structure Maintenance Coating Reference System
Examples Of Repaired Painted Parts | Protection Plan | Coat No. | Thickness(μm) |
Air-cooled/Boiler Support/Suspended Suite/Coal Conveying Station Shed/Grid | Surface pretreatment | Sandblasting and rust removal reach Sa2.5 level | |
Cold galvanizing compound primer | 1 | 80-120 | |
Epoxy Mica Intermediate Paint | 1 | 60-80 | |
Fluorocarbon topcoat | 1 | 60 | |
