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Zhoushan Power Plant Phase III Project
Anti-corrosion Solution | Zindn Cold Galvanizing Compound Composite Coating System
1. Project Introduction
The third phase of the National Energy Zhejiang Zhoushan Power Plant project is located in the Zhoushan Power Plant area of Waishanzui, Baiquan Town, Dinghai District, Zhoushan City , Zhejiang Province. It will build two 660MW high-efficiency ultra-supercritical, secondary reheat coal-fired power generation units, and simultaneously build ultra-low emission environmental protection facilities such as high-efficiency dust removal, desulfurization, and denitrification. It is a major investment project in Zhejiang Province and the first secondary reheat coal-fired power generation project in the province. It will strive for the "National Quality Engineering Gold Award". The project is located at the seaside with a harsh corrosion environment reaching C5 or above. In order to ensure long-term anti-corrosion effects and avoid maintenance costs after operation, the new boiler steel frame and other important outdoor steel structures use a cold galvanizing compound composite coating system.
2. Zindn Anti-Corrosion
The local geographical environment leads to a complex corrosion environment, and the corrosion rate and condition of the boiler steel frame are closely related to the environment it is. Therefore, as the overall anti-corrosion solution provider for this project, Zindn tailored an anti-corrosion system for it to meet the anti-corrosion process of the boiler steel frame to the greatest extent, solving the problem of the short anti-corrosion life of the weld nodes of the boiler support.
3. Zindn Cold Galvanizing Compound
Long-term Anti-corrosion
Cathodic protection + barrier protection dual protection, salt spray resistance can reach more than 5000h, easily achieving long-term corrosion protection for more than 25 years.
Strong Adhesion
The developed fusion agent technology solves the adhesion problem of high zinc powder content (dry film zinc content of more than 96%). A 4% mass fraction of fusion agent can firmly bond 24 times its weight of zinc powder and combine the zinc powder with the substrate, with an adhesion of up to 5-10MPa.
Good Matching
It can be used as a single layer, or as a two-layer or three-layer system with sealer, topcoat, zinc-aluminum coating, etc. to meet customers' needs for long-term protection and beautiful decoration.
The Weld Coating Does Not Crack or Fall Off
It solves the industry pain point that cold galvanizing compound coatings are prone to cracking and falling off at welds, and the construction quality is guaranteed.
Easy Construction
Single component, can be rolled, brushed, air sprayed, airless sprayed, does not sink to the bottom, does not clog the gun or pump, easy to apply.
High Cost Performance
Compared with hot-dip galvanizing and hot-spray zinc, it is environmentally friendly, low-cost, and easy to maintain; compared with epoxy zinc-rich, the maintenance and re-coating interval is long, and the anti-corrosion cost of the steel structure over the entire life cycle is low.
