Wheel room steel plate repair
The lower ring steel plate of the runner room is close to the turbine blades, and is affected by pressure pulsations and cavitation. After long-term use, serious cavitation pits and cracks will occur.
Traditional epoxy corundum strengthened treatment, tungsten carbide supersonic flame spraying (HVOF) treatment, has already fallen off by a large area by the second year maintenance period. After using the laser processing technology for surface strengthening treatment, our company has served for one year without any abnormality.
Before Central Repair
On-site repair in Central
After repair in Central
One year after serving in Central