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Thread: Copper evaporator

  1. #1
    Join Date
    Mar 2016
    Location
    Ferrisburgh
    Posts
    10

    Default Copper evaporator

    I am looking at buying a G. H. Grimm 30" x 8' wood fired evaporator it has a 30"x30" flat pan and a 5'6" raised flue pan. Both pans are copper. I am not sure how much this pan would normally go for. I was also wondering if copper evaporators were still being used.

  2. #2
    Join Date
    Jan 2011
    Location
    NY
    Posts
    283

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    They're still used. They work well but are tougher to keep clean because you shouldn't use chemicals to help clean it. I used to have one.
    2x8 Phaneuf,raised flue.
    250 taps
    Mechanical BG releaser
    Gast 0822 vacuum pump
    16"x16" Leader Filter/canning Unit
    10'x16' Sugar Shack

  3. #3
    Join Date
    Jun 2011
    Location
    South Colton, NY
    Posts
    642

    Default

    Quote Originally Posted by Laberge.reilly View Post
    I am looking at buying a G. H. Grimm 30" x 8' wood fired evaporator it has a 30"x30" flat pan and a 5'6" raised flue pan. Both pans are copper. I am not sure how much this pan would normally go for. I was also wondering if copper evaporators were still being used.
    We have a 5 by 14 King in copper. It works great, but it's days are numbered due to lead soldered pans being phased out for bulk syrup after the 2019 season.
    3,100 taps
    60 cfm flood
    HC2
    5 by 14 oil

    Brian

  4. #4
    Join Date
    Apr 2015
    Location
    Morton Ontario
    Posts
    108

    Default

    I wonder if the pans can be resoldered with silver solder, or would it be cost prohibitive?
    http://www.uvm.edu/safety/art/silver-soldering

  5. #5
    Join Date
    Apr 2008
    Location
    waterford PA.
    Posts
    586

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    Yes they can be I had my entire 3x5 raised flue flue pan redone cost me around $500
    Boyd
    750 taps on vacuum
    150 taps on gravity
    122 buckets
    250 gph homemade ro
    3x8 raised flue pans on a homemade air over arch
    hoods and preheater
    my biggest fear is when i die my wife will sell my sugaring stuff for what i told her i payed for it
    http://s367.photobucket.com/albums/oo112/jrthe3/

  6. #6
    Join Date
    Mar 2016
    Location
    Ferrisburgh
    Posts
    10

    Default

    Thank you for all the feedback. Is there any benefit of using copper instead of stainless steel.

  7. #7
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    11,582

    Default

    The biggest reason would be heat exchange. SS conducts very poorly, copper does it excellently.
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
    Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
    Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
    After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.

  8. #8
    Join Date
    May 2014
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    48105
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    45

    Default

    Jrthe3 who did you have do the re solder job?

  9. #9
    Join Date
    Mar 2016
    Location
    Ferrisburgh
    Posts
    10

    Default

    Who did you have re solder your pans

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