The torch flame is unstable, fluctuating in size – what could be the possible reasons?
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As the title suggests, everyone can summarize it
Unstable airflow； The gas is impure, containing light oil
It’s also possible that coking has occurred at the outlet, resulting in poor ventilation
It’s also possible that nitrogen or something else has entered, or the equipment is not operating stably.
There could be many reasons, but the possibility of coking is minimal, as flares are designed for high discharge volumes; if the discharge is not smooth, unstable pressure during discharge may occur only at the maximum discharge level. I think we still need to look for the cause in the properties of the airflow; for example, could there be intermittent changes in the calorific value of the gas? Is it mixed with other fuels? Are there still many more droplets? Was liquid separation performed? …………
1. Agree that coking is not the issue. 2. The device’s emissions are unstable. 3. The liquid separation effect is poor, with liquid carried over. 4. Could there be a problem with the steam line used for co-firing? For reference only
The device’s air release rate is unstable, or there is a problem with the steam pressure
Consider adding a gas-liquid separator, which can also act as a buffer tank while removing the liquid
I think the main reasons are probably the following two: 1. There is a problem with the torch heating pipeline; a section of it may have lost its heating function. 2. Is the molecular seal at the top of the torch leaking nitrogen?