DE-AERATED FEED WATER TANKS
De-aerated feed tanks are used to remove oxygen from the water that is fed for the boilers. Oxygen in feed water can be removed by heating the water and by chemical treatments. If the water is heated to 85-90°C, bulk of the oxygen will be removed.
De-aerated feed tanks are classified into two types.
1. Flash condensing De-aerator tanks
2. Tray type De-aerator.
Flash Condensing De-aerator tanks
Flash Condensing De-aerators are of non pressurized type with capacities ranging from 500 litres to 20,000 litres. These tanks are made of Stainless Steel. Tank will be fitted with a flash condensing de-aerator head consists of mixing unit, immersion tank. De-aerator head will have a airvent and vaccum breaker connection also.
Tray Type De-aerator tank
Guaranteed oxygen removal to 0.005 cc/litre (7PPB)
Guaranteed to eliminate titratable free carbon dioxide to O
Guaranteed to heat water to the corresponding temperature of the saturated steam contained within the vessel
Capacities from 5000 # hr to 1,000,000 # hr
10 minutes of storage capacity minimum
#430 stainless steel Riveted Trays.
#304 Stainless Steel internal vent condenser (direct contact on units > 30,000 PPH)
#316 Stainless Steel spray valves
#304 Stainless Steel tray enclosure
Our exclusive gliding tray door system for ease of tray inspection and removal
All de-aerators designed for extract job conditions, no over or under sizing
Completely packaged and ready for installation
All vessels designed, built and stamped in accordance with the ASME code for 50 psig
Material : Carbon Steel
Capacities : 500 litres to 50,000 litres
With all standard provisions like:-
2 saddle of 200m height
½” acrylic tube with valves for level indication.
Painted with one coat of primer and one coat of finish paint externally with internal wire brush cleaning