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High temperature and corrosion resistance repair of garbage incinerator grate
Date:2025-11-12 13:34     Source:daokedao     Browse:12

The garbage incinerator grate operates in a high temperature of 800 ℃ and corrosive flue gas. The traditional heat-resistant steel grate has a lifespan of only 18 months, and replacing one set of grate requires a 15 day shutdown, with a cost exceeding 1 million yuan. The Co-Ni-Cr-W high-temperature alloy coating deposited by Daokedao has a hardness of HRC45 at 850 ℃, and its high-temperature corrosion resistance life is three times that of the original grate. After being applied in a waste incineration plant in Germany, the service life of the grate has been extended to 5 years, the annual replacement cost has been reduced by 67%, the downtime for replacement has been reduced by 120 days, 18000 tons of waste have been processed, and the income has increased by over 2 million yuan. The coating has excellent thermal shock resistance and has no cracks after 100 cycles of 800 ℃ - room temperature testing.

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