One year of paste operations at Jabal Sayid, Saudi Arabia

R. Brown, N. Smith, P. Carmichael
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引用次数: 1

Abstract

It took five years to bring mining with paste backfill to Ma’aden Barrick Copper Company’s (MBCC) Jabal Sayid Mine in Saudi Arabia. The work involved various studies, multiple test programs, site visits for benchmarking and detailed engineering before the paste system was commissioned in October 2017. Barrick is a world leader in paste backfill and drew on international teams to conceptualise, design and construct this 225 m3/hr cemented paste backfill system. Value engineering, peer reviews and risk management workshops were held throughout the process to ensure MBCC received value for money and a reliable system. The paste plant was required to handle a tailings stream that was originally planned to produce hydraulic fill (the coarse fraction) but through the reintroduction of fine tailings was able to generate a good paste product that met mining needs. Challenges involved getting the most out of the tailings dewatering circuits (both fine and coarse streams), the local conditions (temperatures >50°C), large bulk stopes fed by a gravity system and the capital cost associated with building a high throughput system with significant cement storage. This paper presents the history of the project, test work, engineering design and construction, commissioning, and training required to fill the first stope. More recent backfill monitoring, data logging, improvements and ongoing optimisation of the system that have continued through the first year of paste production are also presented.
在沙特阿拉伯的Jabal Sayid进行了一年的粘贴操作
巴里克铜业公司(MBCC)在沙特阿拉伯的Jabal Sayid矿用了5年时间才实现膏体充填采矿。在2017年10月粘贴系统投入使用之前,这项工作包括各种研究、多个测试项目、基准测试现场考察和详细工程设计。巴里克是膏体回填领域的全球领导者,并吸引了国际团队来构思、设计和建造这个225立方米/小时的胶结膏体回填系统。在整个过程中,我们举办了价值工程、同行评审和风险管理研讨会,以确保MBCC获得物有所值和可靠的系统。膏体厂需要处理尾矿流,该尾矿流最初计划用于生产水力充填体(粗粒),但通过重新引入细粒尾矿,能够产生满足采矿需求的良好膏体产品。挑战包括最大限度地利用尾矿脱水回路(细流和粗流)、当地条件(温度>50°C)、由重力系统供料的大型采场,以及与建造具有大量水泥储存的高通量系统相关的资本成本。本文介绍了该项目的历史、试验工作、工程设计和施工、调试以及充填第一个采场所需的培训。还介绍了最近的回填监测、数据记录、改进和持续优化系统,这些系统一直持续到膏体生产的第一年。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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