• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >Impact of air granulation on the ferrochrome value chain in metallurgical smelter complexes
【24h】

Impact of air granulation on the ferrochrome value chain in metallurgical smelter complexes

机译：空气造粒对冶金冶炼络合物中铁铬价值链的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

South African ferrochrome producers typically operate single tap-hole furnaces with alloy and slag separation occurring post-taphole by means of a skimmer block. Both streams are then cast directly onto a prepared surface, or in some cases a layer-casting process is employed using hot metal ladles. These processes all require significant cooling time followed by extensive in situ crushing operations, leading to a high burden and cost in terms of time and on-site material handling. Moreover, the slag is then further crushed and screened in a chrome recovery plant to liberate any entrained alloy, and subsequently discarded as waste. Air granulation has achieved commercial success in other sectors and typical South African ferrochrome operations can also benefit. Air granulation promises lower production costs by elimination of casting, cooling, break-up, and crushing activities; improved alloy liberation by elimination of middlings; and improved safety due to faster cooling without water sprays. There is also a market for subsequent use of air-granulated ferrochrome slag as a valuable product, due to its potential improved physical properties over slow cooled variants. Air granulation is being tested to evaluate its effect on the ferrochrome value chain within a typical South African metallurgical complex. Here we report the results of this first-of-its-kind work, and explore strategies for successful integration.
机译：南非铬铁生产商通常通过撇渣器块运行具有合金和炉渣分离的单击孔炉。然后将两条流直接浇铸到制备的表面上，或者在某些情况下，使用热金属钢包采用层铸造工艺。这些过程都需要显着的冷却时间，然后是易于原位破碎操作，导致时间和现场材料处理的高负担和成本。此外，然后将炉渣进一步粉碎并筛选在铬回收厂中以释放任何夹带的合金，随后被丢弃为废物。空气造粒机会在其他部门取得了商业成功，典型的南非铬铁业务也可以受益。空气造粒通过消除铸造，冷却，分手和破碎活动，承诺降低生产成本;通过消除中间物改善合金解放;由于没有水喷雾，因此由于冷却而改善了安全性。由于其在缓慢冷却变体上的潜在改善的物理性质，还存在随后使用空气颗粒状铁铬渣作为有价值的产品的市场。正在测试空气粒化以评估其对典型南非冶金复合物内的铁胞价值链的影响。在这里，我们举报了这首一类工作的结果，并探索了成功整合的策略。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号