• Catalyst for firewood boiler?

    From Michael Moroney@21:1/5 to All on Mon Mar 14 03:22:11 2022
    There is a guy here with one of those outdoor wood boilers connected to
    his house heating system with underground forced hot water pipes. He
    seems to be able to burn rather junky wood (pine, stumps, wood starting
    to rot etc) but he uses some substance placed on wood which seems to
    help it burn. Anyone know what it is? He doesn't, he gets it from the
    place that sold him the boiler. Is it a catalyst?

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  • From dlzc@21:1/5 to Michael Moroney on Mon Mar 14 06:48:21 2022
    Dear Michael Moroney:

    On Monday, March 14, 2022 at 12:22:14 AM UTC-7, Michael Moroney wrote:
    There is a guy here with one of those outdoor wood boilers connected to
    his house heating system with underground forced hot water pipes. He
    seems to be able to burn rather junky wood (pine, stumps, wood starting
    to rot etc) but he uses some substance placed on wood which seems to
    help it burn. Anyone know what it is? He doesn't, he gets it from the
    place that sold him the boiler. Is it a catalyst?

    It is no sort of fire accelerant, it is most likely something to help keep the creosote / crap from building up on the heat exchanger surfaces... anything from common salt to trisodium phosphate. You know the "creosote logs"?

    https://www.google.com/search?as_q=chemical+used+to+clear+chimneys&as_epq=&as_oq=&as_eq=&as_nlo=&as_nhi=&lr=&cr=&as_qdr=all&as_sitesearch=&as_occt=any&safe=images&as_filetype=&tbs=

    MY guess. Just something that will not damage the heated boiler surfaces.

    David A. Smith

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