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Crushing sample preparation series

Coal sample separator
  • Features
  • Range
  • Parameter
  • Adopt standard
  • The coal sample separator is designed according to the national standard GB474 "the preparation method of coal sample", and it is an indispensable tool for shrinking coal sample. It consists of a sealed housing, groove and a sample receiving device, dustpan etc.. The width of the two dividers with different specifications is 2.5 times of the maximum size of the coal sample, and the slope of the inclined groove is not less than 60 degrees. The main features are reasonable structure, easy to use, multi point shrinkage performance, strong representativeness, and can greatly improve the efficiency and quality of sample preparation. For coal, ore or other non uniform granular materials division sampling.

     

  • There are two kinds of coal sample separator: full seal type and ordinary type. Different sizes are suitable for the shrinkage of samples with different particle sizes.

  • technical parameter
    Size: sample size less than 13 mm, cell number 16, the width of each cell 32.5mm.
    M: the sample size is less than or equal to 6 mm, cell number 18, the width of each cell 15mm.
    Small sample size: less than 3 mm, cell number 24, the width of each cell 7.5mm.
    0 sample size less than 1.25mm, cell number 32, the width of each cell 5mm
    And with a sample receiving hopper, dustpan etc..
    Operation of coal sample separator:
    The use of two divider dividing coal sample, shrinkage does not need to be mixed before feeding, dustpan to lean to one side, in two along the length direction of the divider to make the reciprocating coal evenly through the two divider. As one side of the division of coal.
    Matters needing attention in coal sample distributor
    (1) two points for the width of each cell should be divided coal nominal maximum particle size of more than 3 times and should be equal and parallel.
    (2) the slot should be cleaned up before use to be free from clogging.
    (3) the specimen must be swung back and forth in a cylindrical form into the two divider, and the swing shall not exceed the ends of the two divider; no accretion is allowed on the two cell slot;
    (4) the sample points as one side of the shrinkage, such as multiple division, should be on both sides of alternating sample.
    (5) the sample with high shrinkage and moisture content does not need more samples, and vibrates two dividers at the same time so as not to block the groove of the wet sample.

     

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