Patents Assigned to PRIMETALS TECHNOLOGIES LTD
  • Patent number: 9868998
    Abstract: Apparatus for supplying blast to a blast furnace (1) having a plurality of hot blast stoves (4, 5, 6), each stove including a cold blast inlet, a fuel inlet, an air supply inlet, a hot blast outlet, and a waste gas outlet; a waste heat recovery unit (30) connected to a fuel supply, the stove fuel inlet and the cold blast inlet. The stove waste gas outlets are connected to the cold blast inlets, whereby stove waste gas from one stove (5) is supplied, via the waste heat recovery unit, as cold blast to another stove (4).
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: January 16, 2018
    Assignee: PRIMETALS TECHNOLOGIES LTD
    Inventor: Paul Mark Geach