Reclaiming and inhibiting activation of DRI dust and fines
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United States of America Patent
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Oct 11, 2016
Grant Date -
Jul 3, 2014
app pub date -
Mar 10, 2014
filing date -
May 5, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Method of reclaiming and inhibiting activation of DRI fines is disclosed comprising the steps of forming a moving stream or pile containing DRI pellets and DRI fines, coating the moving stream or the pile of DRI pellets and DRI fines with a coating material comprising an alkane mixture in the C15 to C40 range to form a coating on the DRI pellets and DRI fines and cause DRI fines to adhere together and to the DRI pellets to form a plurality of agglomerates, and moving the agglomerates of coated DRI pellets and coated DRI fines to a facility for use in making steel. The coating material may be applied to coat the DRI pellets and DRI fines at a rate between 0.2 and 2.0 gallons per ton of DRI processed. The coating material may be mineral oil.
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