Technological process for secondary refining desulphurization

Technological process for secondary refining desulphurization

  • CN 101,348,847 A
  • Filed: 07/23/2008
  • Published: 01/21/2009
  • Est. Priority Date: 07/23/2008
  • Status: Active Application
First Claim
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1. , the processing method that is used for outside-stove refining dephosphorization is characterized in that comprising the steps:

  • A, deoxidation;

    molten steel carries out deoxidation treatment earlier, reaches α

    [O]

    0.0003%;

    B, feeding cored-wire;

    molten steel adopts line feeding technology at above-mentioned station cored-wire to be fed in the molten steel in LF, RH, VD or the refining of CAS-OB station;

    C, continuous casting;

    continuous casting adopts the whole process protection cast.

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