What type of control is primarily concerned with the burner ignition and monitoring?

Microprocessor control is primarily focused on the burner ignition and monitoring because it utilizes digital technology to manage the complex operations of a boiler system. Microprocessors can quickly process information from various sensors related to heat, pressure, and flame presence, allowing for precise control of the ignition sequence and ongoing monitoring of the burner's performance. This ensures optimal combustion, safety, and efficiency in high-pressure boiler systems.

In many modern systems, microprocessor controls provide features such as automatic shut-off in case of flame failure or unsafe operating conditions. They can also adjust the fuel-air mixture dynamically based on real-time data, which helps maintain efficient and stable combustion.

Other types of control, while they may play roles in boiler operations, do not specifically emphasize the functions of ignition and continuous monitoring to the same extent as microprocessor control does. Mechanical control typically involves physical moving parts, which may not provide the precision needed for ignition and monitoring tasks. Electronic control encompasses broader electrical functions but may not involve the sophistication of microprocessors. Pneumatic control relies on air pressure to operate, which is less common for modern ignition and monitoring tasks compared to digital solutions.