Geoffrey Beros：绿色钢铁生产：铁矿石质量与选矿的挑战-我的钢铁网

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Ltd.董事 Geoffrey Beros围绕 “绿色钢铁生产：铁矿石质量与选矿的挑战”展开演讲。</p> <p align="center"><img src="https://img01.mysteelcdn.com/wz/uploaded/steel/2025/03/13/34bf2ee52b4346d1b1a2468a89c06588.png" width="554" height="370" /> </p> <p align="center"><strong>Allegiant Minerals Engineering Pty. Ltd.董事 Geoffrey Beros</strong></p> <p>Geoffrey Beros先生先介绍了所在公司概况，Allegiant Minerals Engineering 是一家专注于矿产、工艺工程及市场营销的咨询公司，能为多种矿种提供解决方案，涵盖选矿测试、工艺设计等多个领域，并拥有战略合作伙伴。</p> <p>在炼钢工艺方面，全球钢铁生产主要依赖碱性氧气转炉（BOF）和电弧炉（EAF）。近年来，DRI / 电弧炉工艺占比虽有所上升，但高炉 / 转炉工艺仍占主导。从传统高炉转向使用绿色氢气的 DRI 是钢铁行业脱碳的关键，预计到 2050 年，DRI <a href='https://m.mysteel.com/price/p-10480-031116-1.html' target='_blank' style='color:#3861ab'>球团</a>需求将增加十倍，多家中国钢铁企业已推进相关项目，但澳大利亚主要生产商对 DR 级球团矿态度谨慎，仍专注于满足高炉需求。</p> <p>铁矿石类型多样，不同类型铁含量不同。目前，DR 级铁矿石短缺限制了 DRI 增长，赤铁矿虽占主导，但生产 DR 级铁矿石面临挑战。以皮尔巴拉铁矿为例，通过对不同矿石的研究发现，只有部分矿石在细磨后能达到 DR 级铁含量，且现有加工工艺存在能源密集、回收率低等问题。</p> <p>为解决这些问题，行业探索了多种 DR 级铁矿石潜在加工方式，如三阶段工艺，但在实际应用中仍面临诸多困难。新的熔炼技术为低铁含量矿石加工带来可能，其中氢气直接还原（H₂DRI）备受关注，不过也面临高品位矿石需求、杂质去除和能源消耗等挑战。对比高炉 - 转炉和电弧炉工艺，高炉 - 转炉在处理低品位矿石时成本优势明显，且所需选矿较少。</p> <p>在实践探索上，皮尔巴拉地区主要铁矿石生产商积极参与 DR 和 ESF 技术试点项目，如罗伊山的流化床 DRI 研究、浦项制铁的 HyREX 工艺等。</p> <p>最后，Geoffrey Beros先生强调，全球钢铁行业向低碳转型势在必行，高品位铁矿石是关键瓶颈，需要重视选矿工艺。在利用低品位矿石时，要平衡选矿成本和下游冶炼渣去除成本，多种技术组合将助力实现钢铁行业的净零排放目标。</p>  <br /> </div> </div> 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