公开(公告)号：US20150004049A1

公开(公告)日：2015-01-01

申请号：US14358608

申请日：2011-11-15

Applicant: Outotec Oyj

Inventor： Pasi Mäkelä ,  Helge Krogerus

IPC: C22B5/06 ,  C22B1/24 ,  C22C38/18

CPC classification number: C22B5/06 ,  C21C5/5264 ,  C22B1/2406 ,  C22C38/18 ,  Y02P10/216

Abstract: Process for the manufacture of ferrochrome alloy comprising the steps of providing a pelletising feed, wherein the pelletising feed comprises chromite ore and silicon carbide as the only carbonaceous material and the only reducing agent; pelletising the pelletising feed to obtain pellets; sintering the pellets to obtain sintered pellets; mixing the sintered pellets with external reducing agent to obtain smelting feed; and smelting the smelting feed.

Abstract translation: 制备铬铁合金的方法包括提供造粒原料的步骤，其中造粒原料包括铬铁矿和碳化硅作为唯一的碳质材料和唯一的还原剂; 造粒造粒进料以获得颗粒; 烧结颗粒以获得烧结颗粒; 将烧结颗粒与外部还原剂混合以获得熔炼进料; 并冶炼熔炼饲料。