Which condition may result from boiler fouling?

Boiler fouling refers to the accumulation of unwanted materials on the heat transfer surfaces within a boiler. This buildup can significantly hinder the efficiency of heat transfer. When fouling occurs, it creates an insulating barrier between the heat source and the water or steam being heated, thereby reducing the overall effectiveness of the heat exchange process. As the heat transfer efficiency declines due to fouling, more energy must be consumed to achieve the same level of steam output or heating effect, leading to increased fuel consumption and operational costs.

The impact of reduced heat transfer efficiency can also lead to other related issues, such as overheating of components, potential damage to the boiler, and higher emissions due to less efficient fuel use. Therefore, recognizing that decreased efficiency of heat transfer is a direct result of boiler fouling underscores the critical importance of maintaining clean heat transfer surfaces for optimal boiler performance.