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Thread: Boil rate

  1. #1
    Join Date
    Mar 2017
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    Vermont
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    Default Boil rate

    What is a reasonable evaporation rate to expect from an oil fired 3/8 with a steam away?
    2016- 50 buckets. Made 4 gallons
    2017- 100 buckets, 50 taps on 3/4 mainline and 3/16th tubing + shurflo vacuum. Made 30 gallons.
    2018- 1000 taps on 3/16 + vacuum, 60 buckets - made 378 gallons of syrup.
    2019- 1713 taps on 3/16 + vacuum, NO buckets. Made 500 gallons.
    2020- 2793 taps made 1118 gallons.
    2021- adding 500?

  2. #2
    Join Date
    May 2002
    Location
    Cabot Vermont
    Posts
    475

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    I would guess about 65-70 ish gallons an hour. I know with out the steamway it should be about 40-50 gph.
    Blaisdell's Maple Farm

  3. #3
    Join Date
    Feb 2013
    Location
    Clayville, NY
    Posts
    53

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    I was thinking quite higher. Iím boiling on a 2x8 wood fired with a preheater. Generally Iím around 70-80 gph. Plus with the oil fired itís a constant and consistent heat.
    2x8 Smokey Lake Silverplate raised flue
    Around 250 taps mostly on 3/16" a few on buckets and 5/16"
    Lean-to for the sugar shack with temporary walls for now
    Chainsaws, wood splitter and tractor for more good times

  4. #4
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    Mar 2017
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    271

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    Hillside do you have a steam away?
    2016- 50 buckets. Made 4 gallons
    2017- 100 buckets, 50 taps on 3/4 mainline and 3/16th tubing + shurflo vacuum. Made 30 gallons.
    2018- 1000 taps on 3/16 + vacuum, 60 buckets - made 378 gallons of syrup.
    2019- 1713 taps on 3/16 + vacuum, NO buckets. Made 500 gallons.
    2020- 2793 taps made 1118 gallons.
    2021- adding 500?

  5. #5
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    11,109

    Default

    I would also think much higher, if the right gun and nozzle. I get 70 gph+ on wood without a steam away. My guess would be more like 100-110 gph, but just a guess. And maybe as much as 85 without steam away+75% for steam away= almost 150 gph.
    Last edited by maple flats; 03-02-2021 at 07:01 PM.
    Dave Klish about 400 taps, down from much more. Retired from collecting and boiling in 2021. Mostly because of a bad hip.
    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
    website: www.cnymaple.com

  6. #6
    Join Date
    Oct 2006
    Location
    Garrettsville,Ohio
    Posts
    512

    Default

    3x8 will do 100gph without. with a steamaway 110 and dark syrup.
    Fred Ahrens
    330-206-1606
    Richards Maple Products
    Ohio CDL sales rep

    dont take life too serious, nobody gets out alive anyways

  7. #7
    Join Date
    Mar 2017
    Location
    Vermont
    Posts
    271

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    Fred, I'm wondering where you got your 110 number. I've read and witnessed evaporator get 50 to 70 percent increased productivity with an steam away. Thanks for your help.
    2016- 50 buckets. Made 4 gallons
    2017- 100 buckets, 50 taps on 3/4 mainline and 3/16th tubing + shurflo vacuum. Made 30 gallons.
    2018- 1000 taps on 3/16 + vacuum, 60 buckets - made 378 gallons of syrup.
    2019- 1713 taps on 3/16 + vacuum, NO buckets. Made 500 gallons.
    2020- 2793 taps made 1118 gallons.
    2021- adding 500?

  8. #8
    Join Date
    May 2002
    Location
    Cabot Vermont
    Posts
    475

    Default

    I dont belive A straight up 30x8 can make 1.75 gallons of syrup per hour from 2% raw sap, I would have to see it. that would be 75.25 gallons of sap on jones rule of 86.
    Blaisdell's Maple Farm

  9. #9
    Join Date
    Feb 2013
    Location
    Clayville, NY
    Posts
    53

    Default

    I just have a preheater. Also a hobby RO which helps a lot.
    2x8 Smokey Lake Silverplate raised flue
    Around 250 taps mostly on 3/16" a few on buckets and 5/16"
    Lean-to for the sugar shack with temporary walls for now
    Chainsaws, wood splitter and tractor for more good times

  10. #10
    Join Date
    Apr 2005
    Location
    Cayuta NY
    Posts
    771

    Default

    Cant speak for oil fired but on my wood fired arch pre Steamaway average GPH was about 45-50gph, with the Steamaway we are running at an average of 90gph. The flue pan needs to really be ripping to get the efficiency out of the Steamaway.
    Jeff

    470 taps
    Torr Vac TV40D High Vac with Lapierre Horizontal releaser
    Leader 2x6 Patriot raised flue
    Leader 2x4 Steamaway
    Wildfire arch
    MES Dolly 300 3 post RO
    DG 7" 5 bank filter press
    and still lookin to get bigger

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