Boiler water treatment chemicals

Boiler water treatment chemicals refer to a class of special chemicals used to eliminate or reduce corrosion, scale, foam and other problems caused by factors such as oxygen content, hardness, alkalinity, etc. in boiler water on boilers and heat exchangers. It is one of the important measures to ensure the normal operation and prolong the service life of the boiler. The following are common boiler water treatment chemicals:

Deoxidizer: Deoxidizer can eliminate oxygen in boiler water and prevent oxygen corrosion. Usually, sodium bisulfite, sodium sulfite, potassium permanganate, etc. are used as deoxidizers.

Corrosion inhibitors: Corrosion inhibitors can slow down the electrochemical corrosion rate of metals in water to protect equipment such as boilers and heat exchangers. Mainly organic phosphates, acetylacetone amine, etc.

Alkalinity regulator: Alkalinity regulator can control the pH value of water and stabilize water quality, preventing corrosion and sedimentation. Commonly used alkalinity regulators include sodium hydroxide, sodium bicarbonate, calcium hydroxide, etc.

Chelating agent: Chelating agent is a substance that can form a complex with metal ions, which can prevent the formation of scale and precipitation. Commonly used include EDTA, DTPA, HEDTA, etc.

Cleaning agent: Cleaning agent can remove sediment and scale attached inside the boiler, ensuring normal operation and thermal efficiency of the boiler. Commonly used include nitric acid, phosphoric acid, hydrofluoric acid, etc.

The above are common boiler water treatment reagents. Different types and dosages of reagents are selected based on different problems and requirements, and the correct usage methods are followed for dosing and operation. When using, it is necessary to strictly follow relevant standards and regulations to ensure the safety and effectiveness of the medication. At the same time, attention should also be paid to the storage and management of reagents to prevent the impact caused by their failure or deterioration.