Thermal power plant boiler, "four" (that is, water pipes, over the trachea, and then heat pipes, economizer tube) in the high-temperature sulfidation corrosion under the conditions of use, very serious corrosion and wear, the wear-resistant thermal spray anti-corrosion coatings, to improve 3-5 times the life; plants with row impeller suction fan, wear particles in the high places of work, enhanced by the surface after thermal spraying to improve the service life of more than 3 times.
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