Analysis of the Current Research Status of Overlay Welding Technology for Water Turbines
Traditional energies are gradually exhausted and it has a significant impact on the environment.Now the country is vigorously promoting the development of green and clean energies,and the proportion of hydroelectric power generation is also increasing year by year,which sets a higher demand on the research of water turbine related technologies.However,China's rivers have a higher sediment content,and the higher the sediment content,the greater the wear and tear of the key components of water turbines.Moreover,the repair technology of water turbine components has problems such as high cost,low efficiency,and difficult quality assurance,therefore,there is an urgent need to work out a low-cost and efficient intelligent overlay welding repair technology.The advanced overlay welding technology applied to turbines can promote green environmental protection,improve energy utilization effi-ciency,and can promote the development of the national economy and the revitalization of the mechanical industry at the same time.
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