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Thread: Sealing the gap between the pans

  1. #1
    Join Date
    Mar 2018
    Location
    Worcester County, MA
    Posts
    66

    Default Sealing the gap between the pans

    I've got about a 1" gap between the front and flue pan when I have all the plumbing connected. I have some insulation blanket that I thought I'd put in there but I'm thinking if I just stuff it in there it may over time fall down into the firebox. What recommendations are there for keeping the insulation blanket in place between the pans so as to get a good seal for the firebox?
    Last edited by Arctic Fox; 02-16-2021 at 06:04 PM.

  2. #2
    Join Date
    Apr 2019
    Location
    Nashville, MI
    Posts
    943

    Default

    Most two pan system I've seen the pans are tight together. I think your only option will probably be a piece of metal welded in that spot. I don't think you;ll be able to hold anything up without some kind of support.
    2004 - 2012 2x3 flat pan 25 to 60 taps
    2012 2x3 new divided pan w/draw off 55 taps
    2018 - didn't boil surgery - bought new evaporator
    2019 new SML 2x4 raised flue high output evap. 65 taps
    made 17 gal. syrup
    2020 - only put out 53 taps - made 16.25 ga.l syrup
    2021 - Didn't work out
    2022 - 25 taps on bags / 8 taps on 3/16's line - late start

  3. #3
    Join Date
    Mar 2013
    Location
    Thetford, VT
    Posts
    453

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    What evaporator do you have. We used to have a Leader WSE 2x6 and there was a space between the front and rear pans. We filled that space with blanket. It would eventually fall through no matter how careful we were. It was not a big deal when we had 275-300 taps as separation was minimal. Once we started to expand and separate the pans more for cleaning we would have to adjust or replace the insulation strip more. We ran some insulation support rods through the insulation and it would last a little longer.

    Mike
    Tapping since 1985 (four generations back to early to mid 1900s). 200-250 taps on buckets and then tubing in the mid 90s. 2013- 275 taps w/sap puller 25 gal. 2014-295 taps w/sap puller 55 ga. (re-tapped to vacuum theory) 2015-330 taps full vac. 65 gal, 2016-400 taps 105 gal, 2017-400 taps 95 gal. 2018-additional 800' mainline and maybe 400 new taps for a total near 800 taps. 2x6 Leader WSE (last year on it) supported by a 250 gph RO.

  4. #4
    Join Date
    Apr 2016
    Location
    Rutland, Vermont
    Posts
    326

    Default

    Piece of ceramic blanket to fill the gap is what we use on our 2x6.
    CDL 2.5*8 Venturi with all the bells
    Leader Clear 5 bank filter press
    Memprotec 350H RO
    600ish taps and looking for more.

  5. #5
    Join Date
    Sep 2015
    Location
    Rumney NH
    Posts
    127

    Default

    I use some tape to hold the ceramic blanket in place.
    2017 140 taps 30x8 12x16 shack 28.5 gal
    2018 158 taps 30x8 12x16 shack with 8x8 kitchen 44 gal
    2019 223 taps 30x8 12x16 shack with 8x8 kitchen 36 gal
    2020 226 taps 30x8 12x16 shack with 8x8 kitchen 250 waterloo ro 63 gal
    2021 230 taps 30x8 12x16 shack with 8x8 kitchen 250 waterloo ro 37 gal
    2022 230 taps 30x8 12x16 shack with 8x8 kitchen 250 waterloo ro 55 gal
    2023 235 taps 30x8 12x16 waterloo ro 50 gal
    2024 54gal

  6. #6
    Join Date
    Jan 2017
    Location
    Williston, VT
    Posts
    615

    Default

    Is this a homemade rig? It seems odd that there'd be a 2 inch gap. Can you split up the gaps between the front/middle/rear? Then a 2 inch gap becomes three at 5/8 which is more manageable for insulated gasket.
    Ken & Sherry
    Williston, VT
    16x34 Sugarhouse
    1,500 taps on high vacuum, Electric Releaser & CDL Sap Lifter
    Wood-Fired Leader 30"x10' Vortex Arch & Max Raised Flue with Rev Syrup Pan & CDL1200 RO
    https://www.facebook.com/pumpkinhillmaple/

  7. #7
    Join Date
    Feb 2012
    Location
    Fond du Lac, Wisconsin
    Posts
    1,091

    Default

    You could possible stand a piece of flat steel and wrap some insulation around it from the top of the flat to help hold it there.
    Smoky Lake 2x6 dropflu pans and hoods on homemade arch
    Smoky Lake 6 gallon water jacked bottler
    Concentric Exhaust
    250 Deer Run RO
    325 taps

  8. #8
    Join Date
    Jan 2008
    Location
    Hopkinton, MA
    Posts
    1,790

    Default

    I agree 2" is a big gap to fill, but it can be done. I would put two 1"-thick strips of arch board laid on their edge in there. Make them as long as the arch so they sit on the rails and support themselves. Then you don't have to worry about them falling. I'm pretty sure I have some scraps if you want to try that.
    Woodville Maples
    www.woodvillemaples.com
    www.facebook.com/woodvillemaples
    Around 300 taps on tubing, 25+ on buckets if I put them out
    Mix of natural and mechanical vac, S3 Controller from Mountain Maple
    2x6 W.F. Mason with Phaneuf pans
    Deer Run 250 RO
    Ford F350
    6+ hives of bees (if they make it through the winters)
    Keeping the day job until I can start living the dream.

  9. #9
    Join Date
    Mar 2018
    Location
    Worcester County, MA
    Posts
    66

    Default

    I think the gap is actually closer to 1". I'm going to try some steel and an insulation blanket since I have some of that already and see how it works and comment again with how it works out.

  10. #10
    Join Date
    May 2006
    Location
    New Hartford, N.Y.
    Posts
    2,101

    Default

    Like Super Sapper suggested, I didn't like the idea of nothing in between the pans on my 2.5x10 Lapierre pans when I got them. So I got two pieces of 3/8" stainless round stock 32" long and then went to the local fireplace/woodstove store and bought some rope gasket. The I pushed the round stock through the center of the gasket and hose clamped the ends of the gasket onto the rounds. They set on the edges of the arch with the clamped part overhanging the arch, the pan clamp fixture in front of the arch pushes the pans/gaskets together and the rounds keep everything from sagging/falling into the fire. I replace the gasket every year because the side exposed to the fire gets brittle.

    Steve
    2014 Upgrades!: 24x40 sugarhouse & 30"x10' Lapierre welded pans, wood fired w/ forced draft, homemade hood & preheater
    400 taps- half on gravity 5/16, half on gravity 3/16
    Airablo R.O. machine - in the house basement!
    Ford F-350 4x4 sap gatherer
    An assortment of barrels, cage tanks & bulk tanks- with one operational for cooling/holding concentrate
    And a few puzzled neighbors...

    http://s606.photobucket.com/albums/t...uckethead1920/

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