What is a Deaerating Heater and How Does It Work?
A deaerating heater, also known as a deaerator, is a device that removes dissolved gases, mainly oxygen, and carbon dioxide, from boiler feedwater. Dissolved gases can cause corrosion and damage to the boiler and its components, as well as reduce the efficiency of the steam cycle. Therefore, deaerating heaters are essential for boiler water treatment and protection. Deaerating heaters can be classified into two types: tray type and spray type. Both types use steam to heat the feedwater and strip