Hot water boiler deoxidizer is a chemical agent used to remove dissolved oxygen in hot water boilers to prevent oxygen corrosion. Its main components can include the following:
Sulfate: Sulfate is one of the common components of deoxidizers in hot water boilers, such as sodium sulfite (Na2SO3) and sodium bisulfite (NaHSO3). These sulfates have reducing properties and can react with oxygen to reduce dissolved oxygen to water, effectively reducing the concentration of oxygen in hot water boilers.
Polymer organic compounds: Some hot water boiler deoxidizers may contain polymer organic compounds, such as polymers and amines. These organic compounds can form stable complexes by complexing with oxygen, thereby preventing the corrosion of metal surfaces by oxygen.
Chelating agents: Some chelating agents, such as ethylenediaminetetraacetic acid (EDTA) and thioethylenediaminetetraacetic acid (DTPA), are often added to deoxidizers for complexing reactions with metal ions to avoid the catalytic effect of metal ions on oxygen corrosion.
Corrosion inhibitors: Some deoxidizers may also contain corrosion inhibitors, such as organic phosphates and silicates. Corrosion inhibitors can form a protective film on the metal surface, preventing direct contact of oxygen with the metal and reducing metal corrosion.
It should be noted that the specific composition and ratio of deoxidizers for hot water boilers may vary depending on the product and manufacturer. In practical applications, suitable deoxidizers should be selected based on the specific situation and deoxygenation needs of hot water boilers, and operated according to the instructions and usage methods provided by the manufacturer to ensure safety and the best deoxygenation effect.