What is one reason for performing a bottom blowdown on a boiler?

Performing a bottom blowdown on a boiler is primarily intended to remove sludge and sediment that accumulate at the bottom of the boiler. Over time, as water is heated, impurities can settle and form deposits. These deposits can include minerals, rust, and other particulates that can negatively impact the efficiency and safety of the boiler. By regularly conducting a bottom blowdown, operators can effectively eliminate this buildup, which helps maintain optimal operating conditions and prevents fouling that could hinder heat transfer and reduce the overall efficiency of the boiler system. Thus, maintaining cleanliness in the boiler not only supports better performance but also extends the lifespan of the boiler equipment.