Boiler Water Test

Corrosion and tube failure caused by water chemistry Recommended ranges( Co-ordinated phosphate treatment for w/t boiler ) pH- 9.6 to 10.3 PO4- 4 to 20 ppm N2H4- 0.01 to 0.03 ppm TDS- < 150 ppm Cond pH- 8.6 to 9.0 Cl- 20 ppm O2- 10 ppb Si- 10 ppb  Chlorides Measure 100ml of sample water into a casserole Add 10 drops phenol pthalein...

Boiler Mounting

Definition - various valves and fittings are required for the safe and proper working of a boiler . Those attached directly to the pressure parts of the boiler are referred to as the boiler mountings. Minimum requirements for boiler mountings   two safety v/v's one stm stop two independent feed check two water gauge or equivalent one...

Burners & Refractory

Combustion of fuel in furnace and burner design Process The heat producing constituents of the fuel are hydrogen, carbon and sulphur.   Carbon to carbon dioxide - 34 Hydrogen to water - 120.5 ( assuming the water vapor is not allowed to condense) Sulphur to sulphur dioxide - 9.3 The calorific value of the combustion processes measured...