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Repair of Turbine Components by Abrasive-Jet Machining
Journal of Machinery Manufacture and Reliability Pub Date : 2021-03-10 , DOI: 10.3103/s1052618821010143
S. N. Polyanskii , S. V. Butakov , I. S. Olkov , V. A. Aleksandrov

Abstract

In the operation of modern gas and steam turbines, the amount of deposits on the aggregate surfaces inevitably increases (mainly in the form of amorphous silicon), which leads to metal corrosion and erosion damage. The relevance of solving the problem of removing technological pollution in the process of repairing gas and steam turbines in order to restore the design capacity of the equipment is shown in this paper. The efficiency of using hydroabrasive treatment for performing repair operations on turbine components (rotors, blades, etc.) has been established. The method developed is an alternative to the chemical cleaning processes and mechanical surface abrasion. The technology does not have a negative effect on the environment and has an isolated system of using technological components. The technology (composition of the technological medium) and equipment (high speed and density of particles) provide cleaning of deposits from the gas and steam turbine components, in particular, turbine blades, with a high quality of the resulting surface and the required productivity.



中文翻译:

磨料喷射加工修复涡轮机零件

摘要

在现代燃气轮机和蒸汽轮机的运行中,骨料表面上的沉积物量不可避免地增加(主要是非晶硅形式),这会导致金属腐蚀和腐蚀破坏。本文显示了解决在维修燃气轮机和蒸汽轮机中以恢复设备设计能力的技术污染问题的相关性。已经确立了使用水力磨蚀处理对涡轮机部件(转子,叶片等)进行修理的效率。开发的方法是化学清洁工艺和机械表面磨损的替代方法。该技术不会对环境造成负面影响,并且具有使用技术组件的隔离系统。

更新日期:2021-03-10
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