What is the flue gas excess air coefficient?
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The production of crude benzene uses a tubular furnace for heating and benzene removal; what is the flue gas air excess factor? What is his appropriate range? What method is used for detection? Thank you.
The ratio of the actual amount of air used for combustion to the theoretically calculated amount is known as the air excess factor. Its value depends on factors such as the type of fuel, the design of the combustion apparatus, and the combustion conditions. Depending on the characteristics of the furnace and the requirements of the combustion process, this factor can vary widely, with values typically ranging from 1 to 1.6. The more common method of detection involves measuring the concentrations of substances such as oxygen, carbon monoxide, and carbon dioxide in the flue gas, and then calculating values based on those measurements.
The ratio of the actual amount of air required to burn 1 m3 of gas, as determined through exhaust gas analysis in small flues or branch flues, to the amount of air required for complete combustion of 1 m3 of gas calculated based on its composition.
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The air excess factor is one of the most fundamental parameters in coking – it represents the ratio of actual air volume to theoretical air volume. For tubular furnaces, the air excess factor is generally high, around 10