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Posted by Fossil on October 20, 2004 at 06:29:06:
We are currently operating a B&W El Paso style RB boiler fired on number 6 fuel oil as a peaking unit. The water chemistry on the unit is ok, but as you can imagine is cyclic due to the boiler cycling. We have had a continuous problem of hydrogen damage in the lower hopper slope, in which we have completed in kind replacements (SA-210 A1). The angle of the lower slope is very low, which is susceptible to deposit formation. Has any tried upgrading material to T-11 (or similar) to help prolong the life of their water wall tubing due to hydrogen damage? EPRI lists this to help minimize hydrgoen damage.
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