Deaerator Copper Nozzle M24 D6.5 Water Output 0.6T/H, M32 D9.5 Water Output 1.6T/H The primary function of a deaerator is to remove oxygen and other non-condensable gases from boiler feedwater to ensure water quality. If dissolved oxygen is present in the water, it can cause corrosion of metal components in contact with the water. Additionally, the accumulation of gases in heat exchangers increases thermal resistance, reducing heat transfer efficiency. Therefore, the presence of any dissolved gases in water is detrimental, particularly oxygen, which directly threatens the safe operation of equipment. In thermal power plants, thermal deaeration is employed. The deaerator itself also serves as a mixing heater within the feedwater regenerative system. Meanwhile, drains from high-pressure heaters, chemically treated makeup water, and other high-quality high-pressure drains and exhaust steam from various parts of the plant can be collected in the deaerator for reuse, reducing steam and water losses in the power plant. The working principle of the deaerator involves the main condensate (including makeup water) from the low-pressure heater, which is regulated by an inlet control valve before entering the deaerator. Inside, it mixes with other drains and is sprayed through nozzles or perforated pipes, forming an umbrella-shaped water film. This water film undergoes mixed heat and mass transfer with rising heating steam, rapidly bringing the feedwater to the saturation temperature corresponding to the operating pressure. At this stage, the majority of dissolved oxygen and other gases are released, achieving the purpose of deaeration.