What is the ideal state of water for a steam boiler in terms of purity?

The ideal state of water for a steam boiler is distilled water due to its high level of purity. Using distilled water ensures that it is free from impurities, minerals, and contaminants that could cause scaling, corrosion, or other operational issues within the boiler system. The absence of dissolved solids helps maintain the integrity of the boiler's internal components, enhances efficiency, and extends the lifespan of the equipment.

Other types of water, such as groundwater, tap water, and salt water, may contain various minerals, bacteria, or salts that can lead to adverse effects on boiler operation. Groundwater often has dissolved minerals that can create scale buildup, while tap water may include chlorine and other additives that could contribute to corrosion. Salt water is particularly damaging as it can lead to severe corrosion and ultimately failure of the boiler components. Hence, distilled water is the most suitable choice for boiler operation, ensuring optimal performance and reliability.