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Direct Fire to KO Drum

Direct Fire to KO Drum

Direct Fire to KO Drum

(OP)
Can someone point me in the right direction to see if direct fire on a KO Drum is acceptable in the code, is there any specific BTU loads that are ok?

A customer wants to put several 500,000BTU burners on the bottom of the tank to warm it up, which sounds like a dangerous and stupid decision, but this is what they think they want.  Is this ok to do per code?

 

RE: Direct Fire to KO Drum

I don't know about your particular situation but it is done in various forms all the time.  These people have done a lot heating for us. They have have the ability to keep very good control on the temperature and the heating and cooling rate.  A 500,000 BTU isn't a very big burner that said control is the problem.  Hot work has the burner external to equipment and uses on hot gases for the heating.

http://www.hotwork.com/index.html

RE: Direct Fire to KO Drum

PipingEquipment,

Pressure vessels subject to direct firing is allowed in ASME Section VIII Div. 1  provided it meets the requirements of U-1(h) and UW-2(d).

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