On Sun, 25 Jul 2010 17:25:39 -0400, Brian wrote in message <[email protected]>:
> On Jul 25, 2010, at 1:01 PM, Arnt Karlsen wrote: > > > On Sun, 25 Jul 2010 15:57:23 +1200, doug.williams wrote in message > > <a8f91ab435814b67ad2367da4facb...@dougspc>: > >> ------------------------ > >> Greg has already offered some examples of the possible answers, but > >> there are other factors to influence the flare behaviour, which can > >> be narrowed down for your specific gasification flare experience > >> that you share with us. > > > > ..the gray core right under your flame, wet tar vapors? > > Great question!! I would very much like to know what that gray cone > is at the base of the flare. Unfortunately, I've not considered that > question as much as we should have. But I'll try to gather some > information about it next time we do a test run. > > > > > > ..try fit a cloth or paper filter in your gas piping to try > > collect some of it. Steam (water vapors) and wet charcoal > > dust "burns" and burns colorfully too. ;o) > > Hmm. We do have an in-line filter housing a bit before our flare > pipe, but right this minute, it does not contain any kind of filter > element. We have a 40 micron element for that housing but I wonder > if we could stuff some paper towels in there is see what might > accumulate.... Good food for thought there, I like it! I should > also see what I can learn by extinguishing the fire and study the > flare pipe output WITHOUT the flame. Not sure how I'll distinguish > between smoke versus water vapor. (Given how cool the producer gas > is at the flare pipe, I would NOT expect "steam". Very fine water > droplets, maybe, but not steam.) ..if your gas is cold enough, fit a clear plastic hose loop in your piping, as it cools on shutdown, you should see water droplets run down to the bottom if it's water, fog or steam. ..chk Doug's advice for the loop liquid colors. > But your question is one that I've been asking myself, what is that > diffuse gray cone? ..and by all means investigate and ask, rather than preparing to die _wondering_. -- ..med vennlig hilsen = with Kind Regards from Arnt... ;o) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Gasification mailing list [email protected] http://listserv.repp.org/mailman/listinfo/gasification_listserv.repp.org http://gasifiers.bioenergylists.org http://info.bioenergylists.org
