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Thread: Silo Unloading

  1. #1
    Author Guest

    Silo Unloading

    I am looking for a mechanical device to feed out material from silos with
    size 100m3 to 1000 m3.

    The material is spent calciumhydroxide used in house hold waste
    incineration fluegas cleaning and fly ash from the incineration.

    Typical composition
    % b w

    -15 % b w CaSO3*0, 5H2O


    4-5 % b w CaSO4*2H2O


    -35 % b w CaCO3


    -25 % b w CaCL2


    -50 % b w Fly ash

    Each component can be in any walue up to indicated maximum

    Fluidizing equipment is not possible due to air moisture will liquidise the
    CaCL2 .

    The capacity is set to 80 m3/h.

    The particle size is 0,005-- 0,01 mm , can form agglormerate depending of
    chemical composition.

    Bulk dencity 500-700 kg/m3 , compressed , maximum 1300 kg/m3

    I would be most grateful for any answer preferably with reference list of
    similar aplication.

    Bengt Johansson
    bengt.b.johansson@power.alstom.com

  2. DISCHARGE EQUIPMENT

    DEAR MR. JOHANSSON,

    DISCHARGE OF SILO FOR VERY FINE POWDERS MUST FULFILL A NUMBER OF REQUIREMENTS.
    1. THE DISCHARGE EQUIPMENT MAST BE A LIFE BOTTOM WHICH DISCHARGE UNIFORMLY OVER THE OUTLET ARIA.
    2. DISCHARGE EQUIPMENT HAS TO BE OVERSIZE IN ORDER TO ACHIEVE IDEAL FLOW OR MASS FLOW.
    3. DISCHARGE DEVICE HAS TO REDUCE THE FLOW TO REQUIRED VALUE.

    SUCH DISCHARGE DEVICE WHICH FULFILL ALL REQUIREMENTS IS “SILETTA”.
    PLEASE OPEN OUR WEBSITE WWW.IPT-ONLINE.COM AND YOU WILL SEE THAT SILETTA IS AVAILABLE FROM A DIAMETER OF 10 CM UP TO 4.5 METER.

    LOOK ALSO TO THE EXAMPLES FOR SOME APPLICATIONS. PLEASE SEND US DETAILED DATA FOR NEEDED SILO – USE THE QUESTIONNAIRE FOR SILOS AND WE COULD THAN MAKE YOU A PROPOSAL.

    BEST REGARDS

    DR . IVAN PESCHL

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