Boiler Feed Water Parameters

Hardness chloride 7 3 7 8 2600 1580 800 780 300.
Boiler feed water parameters. Chemicals are put into boiler water through the chemical feed tank to keep the water within chemical range. Parameters for boiler water. Boiler water is provided by the boiler feed water from the boiler as either heated water or steam. Boiler feed water is made of makeup water and return condensate.
T d s amine sio2 chloride iron fe standard 9 5 10 2 nil 5 8ppm 10 15ppm 15 30ppm 5 10ppm 1 ppm 1 ppm 01ppm. Boiler water is the term used specifically to refer to water which is heated inside the actual boiler. The water which directly enters the boiler. Parameters for cooling tower.
Only relatively wide ranges can be given as to maximum levels of alkalis salt silica. The general rule is the higher the pressure the more strict the quality of the boiler feed water. The boiler water also has frequent blowdowns in order to keep the chloride content down. Parameter control ph tds total hardnes ca.
Feed water purity requirements therefore can vary widely. A low pressure fire tube boiler can usually tolerate high feed water hardness with proper treatment while virtually all impurities must be removed from water used in some modern high pressure boilers. Boiler feed water is used to produce steam. The pressure of the steam 0 5 100 bar determines the temperature and energy capacity but also the quality of the feed water.
Problems caused by impurities in the feed water are. Parameters ph th p al. Make water is the original raw water derived from.