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Thread: Clogged pre-filter on a CDL vacuum filter

  1. #41
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    Albion PA
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    Folks,
    So the picture in the first post looks about right? A thick cake of sugarsand. ( I know he is going to get new DE) So is DE recommended to be used in on of these or is it optional? This is kind of what I would suspect too. The DE and or just sugardsand has to be trapped in the filters above the cleaned syrup just like a gravity system. So why would you not make the sailors cap filter system with the extra surface area in the filtering portion of this rather than just flat? Seems that design improvement would be a nice addition to this flat round filter area. Maybe patent protection?? Also why wouldnt the prefilters be able to be removed when they got clogged like a gravity system? Then you couil filter more syrup without taking the seal apart. Or maybe I missed this feature?
    Thanks for bring me along and getting me up to date. I see heus is off to get one of these units.
    Also folks are using this system set on a burner and bottling from this too?
    Sound like a good system upgrade from gravity, if it speeds up the process and results in less syrup waste.
    Filtering small batches is always a problem for folks making under 20 gallons per season.
    Regards,
    Chris
    Last edited by Sugarmaker; Yesterday at 12:58 PM.
    Casbohm Maple and Honey
    600 roadside taps
    3x10 King, WRU, AOF and AUF
    12" SIRO Filter Press.
    2015 Ford F250 PSD sap hauler
    One Golden named Maggie Cat named Lucy
    Too many Cub Cadets
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    www.mapleandhoney.com

  2. #42
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    Quote Originally Posted by Sugarmaker View Post
    Folks,
    So the picture in the first post looks about right? A thick cake of sugarsand. ( I know he is going to get new DE) So is DE recommended to be used in on of these or is it optional? This is kind of what I would suspect too. The DE and or just sugardsand has to be trapped in the filters above the cleaned syrup just like a gravity system. So why would you not make the sailors cap filter system with the extra surface area in the filtering portion of this rather than just flat? Seems that design improvement would be a nice addition to this flat round filter area. Maybe patent protection?? Also why wouldnt the prefilters be able to be removed when they got clogged like a gravity system? Then you couil filter more syrup without taking the seal apart. Or maybe I missed this feature?
    Thanks for bring me along and getting me up to date. I see heus is off to get one of these units.
    Also folks are using this system set on a burner and bottling from this too?
    Sound like a good system upgrade from gravity, if it speeds up the process and results in less syrup waste.
    Filtering small batches is always a problem for folks making under 20 gallons per season.

    Regards,
    Chris
    Your filter aid cake will clog before the prefilters clog just like a filter press. Surface area with filter isn’t so much of an issue because the DE is doing the filtering.
    Sugaring for 45+ years
    New Sugarhouse 14'x32'
    New to Me Algier 2'x8' wood fired evaporator
    225 Sugar Maples Currently,(105 on 3/16" and 110 on Shurflo 4008 vacuum, 10 gravity), (16,000 before being disabled)
    1947 Farmall H and Wagon with gathering tank
    2012 Kubota with forks to move wood around

  3. #43
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    Albion PA
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    Folks,
    Looking forward to the original poster getting quality syrup filtered at some point in the near future. Hoping his change of DE corrects most of the problems.
    Regards,
    Chris
    Casbohm Maple and Honey
    600 roadside taps
    3x10 King, WRU, AOF and AUF
    12" SIRO Filter Press.
    2015 Ford F250 PSD sap hauler
    One Golden named Maggie Cat named Lucy
    Too many Cub Cadets
    Ford Jubilee and several Allis WD's, and IH tractors

    www.mapleandhoney.com

  4. #44
    Join Date
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    Location
    Lake County Ohio
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    I don’t understand how you can build a decent “cake” of DE with only one pass across the paper. A filter press requires a minute or more recirculating until the syrup is clear, then you switch to your bottler. Possibly the paper is doing more work than what it does in a press?
    John Allin

    14x18 Hemlock Timber Frame Sugar House 2009
    Leader 2x6 w/Patriot Raised Flue Pan 2009
    Leader Steam Hood 2014 - Clear Filter Press 2015
    Leader Revolution Pan and SS Pre-Heater 2016
    H20 Innovations Air Injection 2019
    CDL AirTech Pump Hi Vacuum 2019
    06' Gator HPX to collect wood & sap
    14' Ski-Doo Tundra for winter work in the woods
    Great Family 3 grown kids+spouses and 7 grand kids who like the woods
    7th Gen Canadian - Raised in Chardon Ohio - Maple Capital of the World...

  5. #45
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    Quote Originally Posted by johnallin View Post
    I don’t understand how you can build a decent “cake” of DE with only one pass across the paper. A filter press requires a minute or more recirculating until the syrup is clear, then you switch to your bottler. Possibly the paper is doing more work than what it does in a press?
    You are not using paper, you are using the same washable filters that a flat filter uses.
    Sugaring for 45+ years
    New Sugarhouse 14'x32'
    New to Me Algier 2'x8' wood fired evaporator
    225 Sugar Maples Currently,(105 on 3/16" and 110 on Shurflo 4008 vacuum, 10 gravity), (16,000 before being disabled)
    1947 Farmall H and Wagon with gathering tank
    2012 Kubota with forks to move wood around

  6. #46
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    10,064

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    2 passes or even 3 might be needed, but once a filter cake is established, one pass should do it if using DE intended for maple production.
    Dave Klish about 1320 taps in '15, doing fewer each year, about 450 planned for 2020 (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. #47
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    Mar 2008
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    Lake County Ohio
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    Quote Originally Posted by maple flats View Post
    2 passes or even 3 might be needed, but once a filter cake is established, one pass should do it if using DE intended for maple production.
    That’s my question..how do you establish a filter cake with only one pass?
    Last edited by johnallin; Yesterday at 08:47 PM. Reason: Forgot a word
    John Allin

    14x18 Hemlock Timber Frame Sugar House 2009
    Leader 2x6 w/Patriot Raised Flue Pan 2009
    Leader Steam Hood 2014 - Clear Filter Press 2015
    Leader Revolution Pan and SS Pre-Heater 2016
    H20 Innovations Air Injection 2019
    CDL AirTech Pump Hi Vacuum 2019
    06' Gator HPX to collect wood & sap
    14' Ski-Doo Tundra for winter work in the woods
    Great Family 3 grown kids+spouses and 7 grand kids who like the woods
    7th Gen Canadian - Raised in Chardon Ohio - Maple Capital of the World...

  8. #48
    Join Date
    Apr 2019
    Location
    Nashville, MI
    Posts
    111

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    I have watched the CDL video, the Roth Sugar Bush video and another producers video and there was no DE used in the syrup before it was filtered. They just used the pre-filter and orlon filter.
    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 - going for 100 taps bags and buckets

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