A high pressure, oil fired steam boiler operates with an automatic combustion control system for start, stop and modulation of the burners. Which feature of the combustion control system is intended to minimise the risk of blowback during normal operation?

08 Aug, 13:59

Aug. 8, 2021, 1:59 p.m.
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Answer:

Pre-purge of the furnace prior to burner ignition.

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08 Aug, 14:00

Aug. 8, 2021, 2 p.m.
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