Boiler Operation Engineer Interview Question - 15
Q. How do you control boiler corrosion rate?
Ans.
1. Maintain pH of water in the desired range to control corrosion.
2. 02 in feed water should be controlled within 0.007 ppm, primarily by good deaeration, supplemented by Oxygen scavenger dozing.
3. Condenser leak should be immediately detected and acted upon.
4. DM water storage tank should be properly sealed.
5. Condensers and heaters should be air tight.
6. Proper wet lay up of units during shut downs.
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