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How Low is Your Purge Time?

Baron von Olsträd’s Sketchbook #6

The Baron’s latest doodle imagines a dangerous game where irresponsibility is rewarded. For those of you who might not know, “purge time” is a phrase commonly used to refer to the length of time given to changing the atmosphere in a furnace, prior to lighting the burners. This is a precautionary measure, intended to flush unused combustibles, so that they aren’t unexpectedly ignited during the furnace start procedure. Too often, operating personnel can become impatient with the various safeties precluding start-up, and a perversely popular way to light faster is to reduce the purge time.How Low is Your Purge Time?

Click the image to visit the Baron von Olsträd’s Sketchbook page containing the large version of this comic, along with The Baron’s thoughts on purge timing. Olsträd Engineering offers a full range of combustion services, and our staff is always happy to help you explore your options.

As always, thank you for visiting Combustion 911.

Posted by  b-olstrad ; Published March 4, 2013

 Categories: Baron von Olsträd's Sketchbook

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