| 摘要 |
<p>PURPOSE:To greatly reduce the heat source cost by using the auxiliary material made from industrial waste plastic in refining steel with converter, electric furnace, open-hearth furnace, etc. CONSTITUTION:The auxiliary material for steel making is that the mixture consisting of 15-90 pts.wt. industrial waste plastic, 4-35 pts.wt. dust of electric furnace/converter, 6-60 pts.wt. aluminum remaining ash containing aluminum oxide is heated to 100-300 deg.C, kneaded, and then is subjected to forming, cutting, crushing. Further, in addition to the blending, 5-15 pts.wt. quick lime is preferably added, a shape of the auxiliary material is of any one excepting powdery one of <=200 mesh but is of a size transportable to steel making furnace together with oxygen or air through an iron lance pipe of about 10-50mm diameter.</p> |
