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flare pulsation

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123flare

Petroleum
Aug 24, 2008
3
hi I want to know how prevent flare pulsation?
 
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It would appear that you have a cyclic upset somewhere in your plant.

You need to do some detective work. Find the PRV (Pressure Relief Valve) that is popping off.
Then do a complete check of that system. Start with what should be happening and compare it to what is actually happening.
What is causing the cyclic increase in pressure?
Is it a control valve that is sticking open?
Is it an exothermic reaction that is causing a heat build-up (thus pressure) ?

Just a thought.
 
Some cyclic controls can be improved with cascade loops if the cyclic loop is slow but can form the setpoint of a faster loop. Examples include a temperature or gas pressure loop setting a flow control loop.
 
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