Nilai Limit Standart Untuk Air Pengisi Dan Ketel

ARTIKEL    24 K & 29 K
PENGISIAN PHHardness CaCo3Fats

Dissolved Oxygen O2

Iron

Copper

Hydrazine

 

8.0 – 9.50Nearly zero

0.1  ppm or less

0.1  ppm

0.2 ppm or more

KETEL PH ( at 25oC )M-alkalinity ( CaCo3)P-alkalinity (CaCo3)

Total Solids

Electric Conductance

Chlorine CL

Phosphate ion (Po4-3)

Sulphurous acid ion (SO4-2)

SiO2

9.4 – 10.5100 ppm or less80 ppm or less

80 ms/m or less

100 ppm or less

5 – 15 ppm

5 – 10 ppm

50 ppm or less

 

These limits above must be maintained by feed water treatment, chemical dosing and blow down, to protect the boiler drums, header and tube from corrosion.

 

Artikel Terkait :

 

Iklan