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Solution for Water Erosion of the Last Stage Blades of Steam Turbines
The blades in the low-pressure section of the steam turbine operate in wet steam. Under the action of water droplets, water erosion occurs on the blades. Especially for the last stage blades in the low-pressure section, due to the high steam humidity and high circumferential speed, the blades are extremely prone to water erosion.
Solutions:
The hollow stationary blades of YouYe Precision with an integral structure (non-welded) are made of high-quality precision-cast blanks combined with numerically controlled machining of the blade profiles. This is incomparable to the hollow stationary blades with a steel plate welded structure. The successful delivery of Kaifei's 72-inch hollow stationary blades saved the critical situation where the last stage stationary blades of the CAP1400 National Nuclear Demonstration Project could not be purchased at home and abroad at that time.
