Deaeration of Boiler Feedwater at mck...

Deaeration of Boiler Feedwater at mckenzie Corp

Posted in the Business News Forum

Since: Aug 14

Richmond, VA

#1 Aug 4, 2014
Pour yourself a tall glass of cold water. Place it in front of you and read on.

The water you have just poured for yourself is much like the feedwater you may be sending directly into your boiler.

It contains among other things, dissolved gases such as oxygen and carbon dioxide that can be particularly destructive to feed lines, condensers and to your boiler.

The oxygen in this raw feedwater is released within the boiler as a result of heat and rises in the form of bubbles. These bubbles attach themselves to the boiler tubes, water legs and the sides of the boiler drum shell at the water line.

The oxygen along with the carbon dioxide attacks the iron and set up chemical musical chairs in which the steel in your system will always lose. This destructive game will continue until either all the oxygen is entirely removed from the water or the steel or iron is dissolved.

A deaerator( ) will prevent the game from ever starting. This piece of equipment removes corrosive gases from boiler feedwater and preheats the water prior to entrance into the boiler.


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