<h1>Feed Water Deaerator</h1>
Feed water is very critical and important component in operations of boilers. Feed water is basically water that has been cleansed or heated before being given to a boiler for the creation of hot water and steam, or it might stay motionless. A Deaerator simply eliminates oxygen from the boiler's feedwater. It is a cycle which keeps on working in the boiler. The deaerator deaerates feed water with the help of deaerator heaters, vacuum deaerators, mechanical pumps and steam jet ejectors.
There is a mechanical deaeration device, which removes gases, from the feedwater before it reaches the boiler. The vacuum deaerators which use mechanical motors or steam jet ejectors can eliminate oxygen and carbon dioxide to a certain extent. Moreover, if steam scrubbing deaerators are used it would be more helpful and at the same time it could prove to be more successful, as it can generally eliminate all carbon dioxide and at the same time it lowers down the oxygen level to a greater extent. Mechanical deaeration is a good way, but in addition a chemical scavenger should be used to remove any leftover residues of oxygen. Because oxygen elimination must be fast to avoid corrosion, or other liquid salts are used as a trigger to accelerate the process. Sulfites and hydrazine are the most often utilized oxygen scavengers.
The purpose of the deaerator is to release non condensable gases, for rising of the make-up water temperature deaerators are used, also they increase condensate water temperature and store boiler feed water. These are some main purposes about a deaerator, because of which the system of a boiler does well and it is also good from the economic point of view as it saves money in the cost of its operation.
Source Image: oxymiser-cross-view_jpg.jpg (1690×1022) (hurstboiler.com)
Reference for Article:
1. Boiler Water Treatment Why, What and How (Michael G. Sendelbach Mogul Div., The Dexter Corp.) Boiler-water Treatment-why, What And How [d2nvx5e51o4k] (idoc.pub)
2. Deaerator Purpose, Functions & Types - Kansas City Deaerator
3. <a href="https://youtu.be/W6iywW0z_eY ">YouTube</a>