Regarding the issue of pressure fluctuations in the fuel gas within the fractionator
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Inside the distillation furnace, oil and gas are burned together; four burners are in use, all for burning a mixture of oil and gas. Suddenly, there were significant fluctuations in the pressure of the fuel gas inside the furnace, which caused large variations in the furnace temperature. In order to stabilize the furnace temperature, the opening degree of the fuel gas control valve was also adjusted significantly. I would like to ask those with more experience: what could be the cause of this? Note: Both the fuel gas separation tank and the fuel oil pressure are stable.
Our unit has also experienced this several times before; the main reason was significant changes in the composition of the fuel gas due to catalytic adjustments.
On our end, since the reaction reactor uses the same fuel gas, there are no pressure fluctuations; therefore, composition is not the main factor affecting things. I was wondering if there are any other reasons
Could it be a problem with the burner? Is there a noticeable change in the color and sound of the flame compared to normal?