发明名称 |
Reclaiming and inhibiting activation of DRI dust and fines |
摘要 |
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. |
申请公布号 |
US9464338(B2) |
申请公布日期 |
2016.10.11 |
申请号 |
US201414202412 |
申请日期 |
2014.03.10 |
申请人 |
Nu-Iron Technology, LLC |
发明人 |
Hendrickson David;Brandon John;Hart Les;Anderson John |
分类号 |
C22B1/16;C21B13/00;C22B1/244;B05D1/40;B05D7/14;C23F15/00 |
主分类号 |
C22B1/16 |
代理机构 |
Hahn, Loeser & Parks, LLP |
代理人 |
Hahn, Loeser & Parks, LLP ;Stein Arland T.;Hernandez Lorraine |
主权项 |
1. A method of reclaiming and inhibiting activation of DRI fines comprising the steps of:
a) forming a moving stream containing DRI pellets and DRI fines; b) coating the moving stream 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 c) moving the agglomerates of coated DRI pellets and coated DRI fines to a facility for use in making steel. |
地址 |
Charlotte NC US |