furnance pigging
furnance pigging
(OP)
1. What is the best method for furnance (coker unit) decoking?
2. What is the acceptance criteria after mechanical pigging?
2. What is the acceptance criteria after mechanical pigging?
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RE: furnance pigging
RE: furnance pigging
Johnny Pellin
RE: furnance pigging
Someone else was asking about this and I dug out the contact but there's no apparently business any more at that web address.
Contact Tulsa heaters or another large fired heater company and ask for their input/reference.
RE: furnance pigging
we use both steam-air decoking and pigging for our DC furnace.
- Steam-air decoking on a regular basis if skin temperature or pressure drop rise too high
- Pigging in turnarounds to remove remaining coke.
As acceptance criteria you can use that no visible coke film is left.
You can do X-ray before and after pigging to determine coke thickness.
Daniel Breyer
Inspection Engineer
http://lnkd.in/dFcQA-w
RE: furnance pigging
Website : www.mun-siong.com