What is typically required for successful ignition in a multi-nozzle burner?

Successful ignition in a multi-nozzle burner primarily requires reliable primary burner ignition. This element serves as the foundational step for the overall ignition process. In multi-nozzle burners, having one or more nozzles ignited first is crucial as it creates a stable flame that can then support the ignition of additional nozzles. Once the primary burner is ignited, the heat produced helps to ensure that fuel from the other nozzles can ignite effectively.

Other factors, such as fuel temperature and air supply, can influence the combustion process, but they are not the core requirement for starting the ignition. While maintenance is essential for overall burner operation and efficiency, it is not a direct requirement for the ignition process itself. Therefore, the presence of a primary burner ignition serves as the necessary condition for successful ignition in this type of burner system.