Method for preparing oxidized pellet from low-sulfur magnetite concentrate

Method for preparing oxidized pellet from low-sulfur magnetite concentrate

  • CN 104,789,758 A
  • Filed: 05/05/2015
  • Published: 07/22/2015
  • Est. Priority Date: 05/05/2015
  • Status: Active Application
First Claim
Patent Images

1. utilize low-sulfur magnetite concentrate to prepare a method for acid pellet, it is characterized in that comprising the following steps:

  • Step one;

    low-sulfur magnetite concentrate pre-treatment;

    Low-sulfur magnetite concentrate is carried out Pretreatment by high pressure roller grinding, makes its granularity reach 200 eye mesh screen percent of pass and be greater than 90%;

    Step 2;

    preparation compound;

    Pretreated for step one low-sulfur magnetite concentrate and Long raise are mixed with collective concentrate in proportion, then in collective concentrate, add wilkinite obtain compound;

    Step 3;

    prepare acid pellet;

    Compound step 2 obtained utilizes palletizing device to add water pelletizing, and green-ball obtains finished product acid pellet through performance test, drying, preheating, roasting.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×