Causes of Black Smoke in a Boiler | Home Guides | SF Gate
Feb 14, 2016 · A malfunctioning boiler released a plume of heavy black smoke from Penn Manor High School Sunday. A passing motorist reported the smoke shortly before 7 a.m., said Keith Eshleman, chief of …
Puff, Puff Improper burning is the cause of black smoke coming from a boiler. If the oil does not burn normally, it will produce a dark-colored smoke that may be seen from the rooftop vent or
What Causes a Gas Heater to Smoke? | Home Guides | SF Gate
When it does finally ignite, the excess fuel in the chamber causes this puffback scenario. The result can be anywhere from a small amount of smoke to a minor explosion, depending on how much fuel has accumulated in the chamber. Puffbacks can occur in both oil and gas furnaces and boilers, but are much more common in oil-fired equipment.
White smoke coming from your chimney flue is actually steam produced from condensation as a byproduct of fuel burning. It's common to see the smoke and think there's something wrong with your chimney, but this is not the case. The clouds are a normal part of fireplace or boiler operation and shouldn't be cause for concern.
Natural gas and propane are both smokeless fuels, so when your gas heater is smoking, it's because something else is burning. More often than not, the culprit is dust or debris that has collected
Dec 08, 2015 · EXCESS AIR AND BOILER EFFICIENCY soot, smoke, and carbon monoxide exhaust will create additional emissions and surface fouling. while firing natural gas. EXCESS AIR VS EXCESS OXYGEN (O 2) PUBLISHED BOILER EFFICIENCY AND EXCESS AIR Excess air The following are simple troubleshooting and description of how gas valves operate.
The presence of black smoke in natural gas fired boilers indicates that the fuel-air mixture is much too rich, and there isn't enough excess air, or oxygen for complete combustion. Carbon starts building up, and the flue exhaust will start producing carbon monoxide, so this should be avoided.