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1. External treatment: Treatment of water—makeup, condensate, or both, before it enters the boiler, to reduce or eliminate chemicals (such as hardness or silica), gases or solids. 2. Internal treatment: Treatment of the boiler feed water, boiler water, steam, or condensate with corrective chemicals. 3.
• The chart on the left shows the fuel loss in a boiler based on thickness of scale. • 1/32" = 8.5% • 1/25" = 9.3% • 1/20" = 11.1% • 1/16" = 12.4% • 1/8" = 25% • 1/4" = 40% • 3/8" = 55% • 1/2" = 70% • The economics show that a clean boiler will save far more money in fuel than it could ever use in water treatment
Wastewater treatment - Flow rates | Britannica
resistant alloy to supply waste water from the storage tank to the tanks of the sprinklers of the boiler units; pipeline for supplying waste water from the storage tank to the irrigation tanks of the boiler units; adjustable electrically operated gate valve, a manual shut-off valve and a check valve to be installed in the flow chart.
The treatment and conditioning of boiler feed water must satisfy three main objectives:. Continuous heat exchange; Corrosion protection; Production of high quality steam; External treatment is the reduction or removal of impurities from water outside the boiler. In general, external treatment is used when the amount of one or more of the feed water impurities is too high to be tolerated by the
Apr 14, 2020 · Contains sequence of unit operations of WTP, Preliminary, Primary, Secondary and Tertiary Treatments
Water Handbook - Boiler Blowdown Control | SUEZ