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positive
Incomplete burning of the fuel.
The typical flue gas temp at the inlet to the air heater is about 650-750 DegF range.
Possibly the boiler is firing oil and thus the soot from the oil is spilling back into the gas flue
As temperature increases, so does molecular velocity, which also means volume increases.
Flue gas is a type of exhaust gas that exits the atmosphere through a pipe often called a flue. Flue gas can be seen exiting power plants, a fireplace, oven, boiler or steam generator.
A flue gas Desulphurisation (FGD) plant removes Sulphur Dioxide from the flue gas before it is released into the atmosphere and hence reduces our impact on the environment.
Usually refers to a gas fireplace, since wood fireplaces are vented by the flue (chimney) Gas fireplaces can be vented (flue) or unvented (no flue)
Of course If the flue is sized properly
goose neck have following two functions: 1. It increase the speed of flue gas in convective zone of the boiler, as velocity increase heat transfer rate also increases which is necessary for super heaters. 2. It divert the path of flue gas and spread it in all corners of the boiler,...
A flue gas analyzer is used to check the chemicals in the gasses in one's flue. They can be purchased at most home improvement stores or stores that have a home improvement section.
If the flow is 100m3/hrs and line size is 2''
positive
in situ refers that has not been moved from its original place of deposition. this type of flue gas analyzer fixed in stack.
If the boiler fuel contains Sulphur (and most do) combustion products in the flue gas will include Oxides of Sulphur (SO2 and SO3). SO3 combines with water (H2O) to make Sulphuric Acid (H2SO4). If the temperature of the flue gas falls below the dew point, the combination of the acid with the moisture in the flue gas causes corrosion of the flue gas duct work. Bypassing the economiser in the early stages of a boiler start keeps the flue gas temperature above the dew point.
An Orsat gas analyzer is a piece of equipment used in labs to analyze gas samples including flue gas. The Orsat analyzes the oxygen, carbon dioxide, and carbon monoxide content of the gas.
When burning the firplace, flue must be open to avoid death/ illness from carbon monoxide.