Ultrafine coal water slurry preparation method

Ultrafine coal water slurry preparation method

  • CN 105,154,154 A
  • Filed: 07/08/2015
  • Published: 12/16/2015
  • Est. Priority Date: 07/08/2015
  • Status: Active Application
First Claim
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1. a preparation method for ultra-thin slurries, is characterized in that, described method comprises the steps:

  • (1) by coal raw material crushing to below 13mm, obtain the first slurry;

    (2) the first slurry is mixed 5 ~ 85;

    15 ~ 95 in mass ratio with water, obtain the second slurry;

    (3) the second slurry wet method shaping fine grinding is obtained the 3rd slurry, described 3rd slurry particle diameter is less than 1mm, is less than 45 μ

    m of materials and accounts for more than 80% of total material;

    (4) by the 3rd slurry screen cloth removal of impurities, after removing foreign material, ultra-thin slurries is.

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