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RE: steam explosion

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bobby gawlik

I have to agree that feed stock changes, channeling are contributing factors, but I feel proper quenching is the key to preventing these “blowouts” We quench our drums a little different than most as follows: Switch 1am, seperate 1:30am, 4am take out of scrubber or when drum fill indicators are over coke bed, 4:30am to 5:00am approx drain the drum with less than 1.5psi and under 200 degrees on top TI. Also keeping over 30 psi on drum while quenching also helps.

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