A kind of RKEF produces the technique of ferronickel, ferrochrome and AOD furnace triplex process smelting stainless steel

A kind of RKEF produces the technique of ferronickel, ferrochrome and AOD furnace triplex process smelting stainless steel

  • CN 105,219,923 A
  • Filed: 09/30/2015
  • Published: 01/06/2016
  • Est. Priority Date: 09/30/2015
  • Status: Active Application
First Claim
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1. RKEF produces a technique for ferronickel, ferrochrome and AOD furnace triplex process smelting stainless steel, it is characterized in that:

  • described technique comprises the following steps;

    1) adopt the RKEF technique thick nickelalloy of melting and ferrochrome respectively, and control melting technology parameter;

    Produce thick nickelalloy molten iron and ferrochrome molten iron;

    2) the thick Rhometal molten iron produced and ferrochrome molten iron, adopt the thick nickelalloy molten iron of ladle splendid attire and ferrochrome molten iron, and molten iron temperature is remained on AOD refining furnace and enter in the temperature range of thick nickelalloy molten iron and ferrochrome molten iron needed for stove;

    3) thick nickelalloy molten iron and ferrochrome molten iron are proportionally mixed be blended into AOD refining furnace and carry out decarburization, desulfurization;

    4) pour qualified AOD molten steel into ladle, be delivered to LF stove and carry out deep deoxidation;

    5) molten steel that LF stove is handled well is transported to continuous casting turn around table by traveling crane, casts slab or square billet by continuous caster;

    The stainless steel slab obtained or square embryo are put in storage.

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