Sulfur-resistant corrosion coating [Corrosion prevention measures for thermal power plants]
Sulfur-resistant corrosion coating
We will suppress corrosion in the actual coal-fired boiler to less than 1/4 compared to the unprocessed areas.
**Overview** We will implement and supervise the coating developed by the Central Research Institute of Electric Power Industry (CRIEPI) aimed at preventing sulfide corrosion and high-temperature corrosion in the boiler water-cooled pipes and superheaters of coal-fired power plants (including oil-fired power plants) (Patent Registration No. 5110608). This can be completed in a short period even when there is no time for thermal spraying or build-up welding. (A licensing agreement has been established with CRIEPI) - CRIEPI has focused on the low reactivity of titanium oxide and sulfur, and has developed a composite film with excellent gas barrier properties. - In approximately two years of verification on actual coal-fired boiler equipment, corrosion was confirmed to be suppressed to less than one-fourth compared to uncoated areas (CRIEPI Report: Comprehensive Report M04 (2015)). - The high-temperature coating addresses high-temperature corrosion (CRIEPI Report M18004). For more details, please download the PDF and view the brochure. Feel free to contact us from our company website. (No registration required)
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basic information
【Features】 ■ Uses titanium dioxide with low reactivity to hydrogen sulfide in the top coat ■ Environmental barrier created by multiple layers of four coatings ■ Construction period is generally around 3 days ■ Fast and cost-effective due to spray application (As long as there is compressed air, such as instrument air, coating is possible) *For more details, please refer to the PDF document or feel free to contact us.
Price information
*Prices may vary depending on the construction location and specific areas, so please consult with us first.
Delivery Time
Applications/Examples of results
【Achievements】 ■ More than 30 construction achievements on actual power plant boilers (including test coatings) ■ Implementation from coating to paint film thickness management (performed by first-class painters) ■ Experience in coating technology guidance, construction management, and supervision
Detailed information
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Schematic diagram of coating
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Coating scene using spray painting
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Company information
Electric Power Tech Systems Co., Ltd. is a comprehensive engineering company that supports power technology. Our main business is providing technical support for research, surveys, and testing in these wide-ranging fields conducted by the Central Research Institute of Electric Power Industry, a general incorporated foundation. In addition to the technical expertise cultivated through these businesses, we further develop and customize the technologies we have created to contribute to the electric power industry and society. Please feel free to contact us if you have any inquiries.