A small amount of white smoke is normal, but black or dark smoke coming from your boiler is a sign of a potentially serious problem. You should call a certified repair technician immediately, as ...

Smoke of any color -- white, gray and black -- coming from your oil furnace chimney frequently indicates a problem with your oil furnace. Contact a heater repair technician to inspect your oil furnace, diagnose the issue and make the necessary repair.

coal boiler black smoke | Steam Boiler Producer. The black smoke control in a chain-grate stoker International Journal of Energy Research. the smaller the size of the coal is, the more serious the black smoke chain-grate stoker-fired boiler; black smoke THE BURNING OF COAL WITHOUT SMOKE IN THE BURNING OF COAL WITHOUT SMOKE IF BOILER PLANTS.

This morning, there was a funny "fume" smell in the kitchen and I noticed that the boiler flue (and a surrounding bit of the outside wall of the house) was slightly blackened. When I fired up the boiler again, there was a considerable amount of black smoke coming out of the flue.

We have Thermax make high pressure (110 KG/CM2) forced draft Fuel oil fired boiler. Normally boiler running on minimum turn-down ratio. One day boiler running at low load and suddenly heavy black smoke observed from stack and even ECONOMISER bellow.

Having the boiler serviced doesn't mean it can't go faulty, the guy servicing it can only comment on it's condition the day he's there, it's unfortunate when something does go wrong soon after a service but not necessarily the fault of whoever serviced it.

The boiler can produce black smoke, white smoke or even a light gray smoke when it is not running correctly. The boiler repair technician can adjust the air flow and fuel settings on the burner so it will run correctly and no longer smoke. If the oil burner is putting out a dark black smoke it could be because the burner is running to rich and ...

Black smoke indicates that furnace oil is being fired in the boiler . This may be either during start up or as additional susupport for the coal burners for flame stability. White smoke from the chimney is due to ash carry over in the flue gas. Th...