Posted by Joe Mihalov on July 09, 2001 at 03:50:52:
We've split 40 tubes in a 3 year old 150psi unit. The welded tube ends are splitting due to 'over heating.'
The tubes have 1/16" scale deposits. Is the 2nd pass refractory too close to the tube ends causing localized overheating? Is there a design flaw in the refratory angle (baffle design)?
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