Boiler
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Why is alkaline cleaning and preheating required for boilers? I hope experts can help me understand this
The new boiler washing is intended to remove oils, rust, iron oxide scale, weld slag, and other substances from the system during boiler manufacturing and installation, and to form a passivation film on the water-side surface of the boiler
Preheating is done to prevent the pipelines from cracking due to rapid temperature rise during startup, and it also allows for monitoring of the stretching behavior of the pipelines.