boiler burner air gas matching debugging

Control Engineering | First-Hand Experiences ofIncomplete ...

May 01 2000 · For most burners the method of introducing natural gas is via a gas ring. Its a pipe rolled to produce a donut shape with an internal diameter matching or nearly so the inside diameter of the burner

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How Do Burner Combustion Control Systems Work? - CrossCo

The O 2 trim loop will then adjust the air flow PV causing the air flow loop to add or subtract air to maintain it at the same % as the fuel flow % and boiler master %. Burner O 2 trim is typically limited to adjust the air by only ±10% to ±20%. This trim requires a bit of math in the CCS logic.

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