Method for heatng a blast furnace stove

Method for heatng a blast furnace stove

  • CN 102,770,564 A
  • Filed: 11/25/2010
  • Published: 11/07/2012
  • Est. Priority Date: 11/26/2009
  • Status: Active Application
First Claim
Patent Images

1. heat the method for blast funnace hot blast stove (300,400,500,600), it is implemented in the following manner:

  • in the combustion chamber that is arranged in hotblast stove (301;

    401;

    501;

         601) make in the combustion zone in and have 9MJ/Nm 3Or the fuel combustion of lower low heat value (LHV), and combustion gas flow is passed through and the refractory materials (302,402 in the heat hot wind furnace thus;

    502;

         602), it is characterized in that, utilize the oxygenant that comprises at least 85% oxygen to make fuel combustion;

    Combustion gases are recycled in the combustion zone, thereby and thus fully the mixture of dilution fuel wherein and oxygenant make the no flame that burns.

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