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为了提高电站锅炉鳍片密封焊接质量,改进鳍片切割工艺,实现绿色施工,对等离子切割设备的作业适应性进行了技术改进,并应用于工程实践中。将等离子切割法与氧-乙炔火焰切割法进行技术经济对比分析,结果表明,等离子切割法的切割质量、效率均优于氧-乙炔火焰切割法,成本也远低于氧-乙炔火焰切割法,等离子切割法可成为氧-乙炔火焰切割法切割锅炉鳍片的替代工艺,值得在同类电站建设中推广应用。
In order to improve the sealing quality of the boiler fins, improve the fin cutting process and realize the green construction, the technical adaptability of plasma cutting equipment is improved and applied to engineering practice. The plasma-cutting method and oxygen-acetylene flame cutting method were compared technologically and economically. The results show that the plasma cutting method has better cutting quality and efficiency than the oxygen-acetylene flame cutting method, and the cost is much lower than that of oxyacetylene flame cutting method. Plasma cutting method can be an alternative process for cutting the boiler fins by oxy-acetylene flame cutting, which is worth popularizing and applying in the construction of similar power station.