Posted by Vern on April 29, 2001 at 09:56:38:
In Reply to: HIGH CHLORIDES READINGS posted by MIKE on April 29, 2001 at 07:46:32:
: I HAVE A NEW HB SMITH CAST IRON STEAM BOILER IT HAS BEEN RUNNING FOR ABOUT 8 MONTHS NOW SULFITE AND PHOSTPHATEAND RETURN LINE TREATMENT IS ADDED TO THE CONDENSATE TANK VIA PUMP I CANNOT SEEM TO GET THE CHLORIDES READINGS BELOW 250 BLOWING DOWN DOES NOT SEEM TO HAVE ANY EFFECT SUGGESTIONS
Mike, why do you need to get your chlorides below 250? In order to reduce chlorides, blowdown
is the answer. If the amount of blowdown you are presently performing
is not enough then you need to keep increasing until you get the right amount.
However, this may lead to excessive blowdown. Check your condensate return for contamination.
Condensate tds should be close to zero. If you are getting contamination this can
be a cause for your chlorides to be high. Something else to check is your softening
system. Your softener uses sodium chloride for regeneration. If it is not flushing
the salt from the resin properly, the excess chlorides will enter the boiler. If this is the case,
you may get chloride readings in the thousands. Email me at any time for more info.
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