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Flare stack height
4

Flare stack height

Flare stack height

(OP)
Dear All,

I have one question.

What determines the flare stack height?

Is this only to burn flare gasses at safe height or any other factors effect the height of the flare stack?

Thanks in advance.

RE: Flare stack height

2
Ground level radiation determines the flare stack height. Refer to API 521 and API 537 for detailed design guidance for all matters related to flares.

RE: Flare stack height

(OP)
Does draft and pressure drop across the flare header play any role in determining the stack height?

RE: Flare stack height

Quote (nRGee)

Does draft and pressure drop across the flare header play any role in determining the stack height?

The answer is no. Effectively the flare stack is part of the flare header - it's simply the terminal end of the header. The design of the flare tip will be affected by the pressure in the flare header, but the elevation of the tip (flare stack height) is the elevation necessary for preventing excessive radiant heat exposure.

RE: Flare stack height

It has been said in some locations that the flare stack acts as the local road lighting system....

You also get ground flares where the flame is hidden from horizontal view by being located inside a large open topped surround.

Or sometime ground flares where there is a big pit and horizontal, though rising, flame.

If you've got the space then a vertical flare is cheaper and easier.

https://www.thermalsolutionsasia.com/Ground%20Flar...

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RE: Flare stack height

(OP)
Thank you all for your valuable responses. I got the answer to what i was exactly looking for.

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