What does "boiler blowdown" refer to?

Boiler blowdown refers specifically to the removal of a portion of water from the boiler to maintain proper water quality. Over time, dissolved solids and impurities can accumulate in the boiler water, which can lead to issues such as scaling or corrosion, adversely affecting the efficiency and safety of the boiler. By periodically removing a small amount of water, operators can control the concentration of these contaminants, ensuring that the boiler operates effectively and safely.

This practice is essential for maintaining the overall health of the boiler system and preventing potential failures. It allows for the replenishment of the water with fresh make-up water, which also helps to manage the levels of impurities and solids within acceptable limits. Regular blowdown contributes to the longevity and reliability of the boiler system.