Several indicators about the steam produced by the steam drum
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I would like to ask, the medium-pressure steam produced by the steam drum has two indicators: concentration of sodium ions and alkalinity. I would like to ask the meaning of these two indicators. Are they duplicates? Also, since steam drum water also has PH value index requirements, is it necessary to have alkalinity requirements?
Alkalinity chloride ion pH is a must
Boiler water standards: total alkalinity: 6-24mmol/L, pH value: 10-12, total solubility ≯3500mg/L, PO3-4 10-30mg/l
Alkalinity and PH value are not the same concept. Alkalinity refers to the total amount of substances in water that can neutralize strong acids. Maintaining a certain alkalinity is to prevent scaling.