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Thread: Barrel Evaporator Designed - under $100

  1. #1
    Join Date
    Feb 2012
    Location
    Middlebury, Connecticut
    Posts
    87

    Default Barrel Evaporator Designed - under $100

    Barrel - 2x pan diagram.zip

    I wanted to share my updated 55 gallon barrel design, it holds 2 standard restaurant steaming trays. I ran the stove in 2012 and it was a vastly better than the standard 1 pan set-up, but there is always ways to improve the process.

    2012 Run Rate: Boils 5-6gph better than 1st barrel with 1 pan that had 3-4gph, also less scalding on pan sides.

    2013 Improvements:
    •Sliding Heat Deflector (1/4" plate) prevents heat from escaping up the smoke stack by channeling it into pan #2 (hope it also pushes more heat back into Pan #1?)
    •Hi-temp insulation added to the outside of the barrel too trap more heat from escaping through sides (Note - insulation not shown for clarity purposes)

    Hoping the 2013 improvements yield a boil rate (6-8gph), longer burns & boils with less wood.
    Working on pre-heater (thinking of adding to frame and put a tray next to smoke stack to get heat?)

    FYI, I had trouble upload images so I had to zip ir because of size limits, but if you inbox me I will send files directly to you
    2019 getting back into it
    17-18 not able to tap
    14-16 present: Portable Oil Tank evaporator 40+ taps
    09-14: Pot on Stove to Barrel - 20 taps

  2. #2
    Join Date
    Feb 2012
    Location
    Middlebury, Connecticut
    Posts
    87

    Default Missing attachments for Barrel Design with 2 pans under $100

    Sorry, appearantly my 1st attachment try did not work, if it does not work this time I will delete this thread:confused
    Attached Images Attached Images
    Attached Files Attached Files
    2019 getting back into it
    17-18 not able to tap
    14-16 present: Portable Oil Tank evaporator 40+ taps
    09-14: Pot on Stove to Barrel - 20 taps

  3. #3
    Join Date
    Mar 2011
    Location
    Brookfield, Nova Scotia
    Posts
    247

    Default

    Looks really good for a barrel setup. You have a helper like mine.
    2'x4' Smoky Lake Hybrid Pan
    Copper parallel flow preheater & hood
    9'x12' Sugar Shack
    130 taps
    Two chocolate labs to help collect sap
    Brookfield, Nova Scotia

  4. #4
    Join Date
    Feb 2012
    Location
    Middlebury, Connecticut
    Posts
    87

    Default

    Thanks for the feedback, but I am having troubling uploading the 1 page PDf illustration on my improvements. Everything I do to the files (doc,pdf..etc.) and the website says it is a little to big. The mod is simple and requires no welding. I got the idea from a reverse smoke and the woodstove (insert) I use to heat my house.
    2019 getting back into it
    17-18 not able to tap
    14-16 present: Portable Oil Tank evaporator 40+ taps
    09-14: Pot on Stove to Barrel - 20 taps

  5. #5
    Join Date
    Feb 2012
    Location
    Middlebury, Connecticut
    Posts
    87

    Default

    Converted to doc into a jpeg hopefully you can read it
    Attached Images Attached Images
    2019 getting back into it
    17-18 not able to tap
    14-16 present: Portable Oil Tank evaporator 40+ taps
    09-14: Pot on Stove to Barrel - 20 taps

  6. #6
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    10,522

    Default

    Look good. I got the first one, but had to jump thru some hoops. The last one you posted is better, just click on it and up it comes.
    I agree, looks very nice for a barrel stove. Looks like you should have the scorching on the sides pretty well fixed if those gaskets are sealed good. You will do better if you can add a blower to burn faster. I hope the deflector works, it look like a real short path from the rear pan to out the stack, holding the heat under the pans will help, but most do not do it with a damper. Dampers slow the burn rate.
    Dave Klish about 1320 taps in '15, downsized after I lost my help, about 450-500 planned for 2021 (and after?)
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    http://s1041.photobucket.com/albums/...anssugarhouse/
    website: www.cnymaple.com

  7. #7
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    10,522

    Default

    You "might" do better if you lower the stack outlet a few inches. That way more heat will build above the stack outlet, where the pans are.
    Dave Klish about 1320 taps in '15, downsized after I lost my help, about 450-500 planned for 2021 (and after?)
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    http://s1041.photobucket.com/albums/...anssugarhouse/
    website: www.cnymaple.com

  8. #8
    Join Date
    Oct 2012
    Location
    Ensley Center
    Posts
    104

    Default

    I notice some insulation or gaskets around the pans....can you tell me what exactly it is and where you got it? I'm running a similar setup on an oil tank and am looking for a way to keep the fire in the firebox.

  9. #9
    Join Date
    Feb 2012
    Location
    Middlebury, Connecticut
    Posts
    87

    Default

    @ Too Tall - I use Wood stove gasket material, you can find kits at Lowes for $10, I buy the largest diameter 1/2? and it comes in about 6ft length. I leave it loose and just synch it around the pan after I place it in the barrel.

    @ Maple Flats - you are correct there was a lot less scalding of the pans because there are sitting basically sitting on the flat of the pans and not sunking in like my 1st barrel, now I only get a little 1/2 moon on each pan. I use the word damper loosely because it is more of a "kicker plate" for the flame because when it is push fully the back it only covers about a inch on the back pan and should not really effect the drawing the stove when it is running under "full steam". I feel that directing the flame into the pan will increase duration of the boil and if it hurts I can always remove
    2019 getting back into it
    17-18 not able to tap
    14-16 present: Portable Oil Tank evaporator 40+ taps
    09-14: Pot on Stove to Barrel - 20 taps

  10. #10
    Join Date
    May 2009
    Location
    Littleton, NH
    Posts
    40

    Default

    When I used a barrel evaporator I made a preheater by running 1/4" flexible copper tubing around the flu pipe three or four times, wrap the coils with insulation held on by steel wire wrapped around the insulation and run the incoming sap through the tubing and into the rear pan. Works great, you just have to get the feel for how fast to run the sap through since it can boil and scald inside the tubing if you're not careful. Of course this method works best if you have the sap collected to a holding tank that gravity feeds to the evaporator.
    the only thing a sugarmaker likes more than boiling is talking about boiling!!!
    110 taps on buckets

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