h)
Next circulate a two (2) ounce per gallon of alkaline salts through tubes to neutralize. Drain this
solution.
i)
Flush tubes thoroughly with water.
J)
Put the unit back in service and operate under normal load. Check the head pressure. If normal, a
thorough descaling has been achieved.
4.9.2.2 In Summary ..... What you will do is:
1)
Drain water from condenser tubing circuit.
2)
Clean water tubes with alkaline to remove mud and slime.
3)
Flush.
4)
Descale water tubes with muriatic acid solution to remove seals.
5)
Flush.
6)
Neutralize.
7)
Flush.
8)
Put unit back into service under normal load and check head pressure.
NOTE
THE CLEANING AGENT IS A BALANCED BLEND OF ALKALINE SALTS CONTAINING
SILICATES, FREE CAUSTIC SODA WITH RESIN AND MIXED BASE SOAPS. THE
DESCALING AGENT IS A MURIATIC ACID TYPE PRODUCT ADEQUATELY AND PROPERLY
INHIBITED TO PREVENT ATTACK ON FERROUS METALS.
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