causes of low oxygen content in gas boilers

causes of low oxygen content in gas boilers

Boiler Combustion | CleanBoiler.org

Jun 01, 2015 · The No. 1 cause of furnace slagging is low furnace oxygen content. Most boilers are designed for 115% to 120% theoretical combustion air. This is …

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Boiler Efficiency | Kane International Limited

Oct 10, 2017 · There is a diminishing returns effect in oxygen content and performance for the unit. Too much available oxygen will lead to inefficient combustion. Over time, the unit will require unscheduled maintenance. Too little available oxygen causes unstable combustion and increased emissions. This will lead to flame loss faults and, once again, unscheduled maintenance.

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Boiler Emissions 101 - Boiler Service | Boiler Parts

Boiler Efficiency | Kane International Limited

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Oxygen Control | CleanBoiler.org

Jun 18, 2012 · Oxygen is required for combustion, but excess oxygen lowers the flame temperature by as much as 500-1,000 degrees in the furnace. Lower combustion temperatures mean a smaller temperature difference across the heat exchanger, and a smaller temperature difference means less heat transfer. The result is lower efficiency and more fuel waste.

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Typical Causes of Slagging and Fouling Problems in Boilers

Oxygen Control | CleanBoiler.org

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Causes for Low Oxygen Levels (and How to Improve It

One of the factors influencing NOx formation in a boiler is the excess air levels. High excess air levels (>45%) may result in increased NOx formation because the excess nitrogen and oxygen in the combustion air entering the flame will combine to form thermal NOx.

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Tips for combustion analysis of commercial boilers | 2016

If some carbon molecules cannot find some oxygen molecules, they will partially convert to CO (carbon monoxide) rather than CO2 (carbon dioxide). All burner/boilers are designed to have some "excess air" to reduce the amount of CO made. Why it's controlled: In its gaseous form, CO is a poisonous substance. In solid form it is commonly referred to as soot, an unhealthy and dirty substance.

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Why Oxygen Levels Matter in High Efficiency Boilers

Causes for Low Oxygen Levels (and How to Improve It

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Oxygen Issues With Energy-Efficient Boilers - Facilities

Boiler Efficiency | Kane International Limited

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Hypoxemia (low blood oxygen) Causes - Mayo Clinic

Feb 17, 2016 · This may be caused by a combination of dirty heating surfaces, over firing, water-side scale buildup, excessive draft or excessive velocity of the water inside the boiler. If the stack temperature is too low, the flue gases will condense and damage the boiler, flue and chimney unless it is a boiler designed for condensing.

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