Which component is essential for effective cleaning of heat transfer surfaces in a boiler?

The component essential for effective cleaning of heat transfer surfaces in a boiler is the sootblowing system. This system is designed to remove soot and other deposits that accumulate on heat transfer surfaces, such as boiler tubes, during operation. These deposits can significantly reduce the efficiency of heat exchange, leading to higher fuel consumption and increased emissions.

The sootblowing process involves the use of high-pressure steam or air that is directed through nozzles aimed at the soiled surfaces. By doing this, the accumulated soot is dislodged and carried away, allowing for improved heat transfer and maintaining the operational efficiency of the boiler.

In contrast, high-temperature insulation, heat-resistant pipes, and exhaust gas scrubbers serve different purposes. Insulation helps with thermal efficiency and safety but does not directly clean surfaces. Heat-resistant pipes are crucial for handling high-temperature media, while exhaust gas scrubbers are used to reduce emissions and pollutants in flue gases, rather than dealing with the boiler's heat transfer efficiency. These components play important roles in the overall operation and safety of a power boiler but do not address the cleaning of heat transfer surfaces in the same direct manner as a sootblowing system.