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Thread: Grinding Limestone

  1. #1
    Author Guest

    Grinding Limestone

    We are grinding limestone for 150 mesh and by coloum flotation we are separating the silica (SiO2) from limestone. The out put material after beneficiation contains 30% moisture.

    Our problem is we want to go again for 20 to 50 microns size. So we want to go for regrindig the 150 mesh limestone powder .

    Our doubt is

    1. Is it possible to regrind wet limestone powder of 150 mesh to 20 to 50 microns.

    2. In dry conndition is it possible to regrind limestone powder of 150 mesh to 20 to 50 microns.

    Please reply to us. we are seeking technology for this.

    Calpro
    calprotec@yahoo.co.in

  2. #2
    R. Schatz - G&A Industrieanlagen, Germany Guest
    Dear Sir

    Our G&A AIRMILL and PROCOM mills are suitable for the dry fine grinding and also for simultaneous grinding and drying of limestone.
    A Fineness of 20 to 50 micron could be achieved - for specific requirements of the powders a classifier may be necessary
    We kindly ask you to specify your application:
    - required capacities
    - requireents concerning particle size distribution of feed material(s) and final product(s)

    Please contact:

    G&A PROTEC GmbH
    - Rolf Schatz -
    e-mail: rolf.schatz@gutes-aufbereiten.de

  3. #3
    Lawrence K. Nordell

    Lawrence K. Nordell

    President and CEO

    Conveyor Dynamics Inc.

    Conveyor Dynamics Inc.

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    Calpro,

    A ball mill and hydro-cyclone would do the trick. More information is needed to design a circuit, size the components, and apply the other criteria which may restrict selections. Most manufacturers such as Metso can help if you want new equipment.

    If you want used equipment, I can give some sources. I am sure others will come forward.

    You need to be more specific on the details to encourage consultants to lend a hand.

    CDI cannot design circuits anymore ( a few years) due to our agreement with Metso.

    Lawrence Nordell
    Conveyor Dynamics, Inc.
    www.conveyor-dynamics.com

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