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青海滩间山金矿选矿工艺改造及生产实践
- 作者：
- 张高民|韩乐|王俊新|马敬海|苏渭超|张锟|李志成
- 作者单位：
- 青海大柴旦矿业有限公司|青海大柴旦矿业有限公司|青海大柴旦矿业有限公司|青海大柴旦矿业有限公司|青海大柴旦矿业有限公司|青海大柴旦矿业有限公司|青海大柴旦矿业有限公司
基金项目：
- isnull
详细信息：
- 作者简介：
- 张高民（1973—），男，工程师，从事选矿生产技术管理工作；E-mail:gaomin.zhang@ytg000975.cn
- 通讯作者：
- isnull
- PDF下载
Ore-dressing process transformation and production practice in the Tanjianshan Gold Mine,Qinghai Province
- English Author：
- Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.|Qinghai Dachaidan Mining Co.,Ltd.
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
针对青海滩间山金矿矿石泥化严重，“全泥氰化＋浮选”联合工艺指标不理想问题，进行了实验室优化试验研究，并进行了生产实践。结果表明：通过浮选将易浮金矿物、载金矿物及难抑制泥质产物优先富集至最终精矿；降低矿浆浓度，减少泥化矿物团聚对载金矿物的包覆；在确保氰化尾矿除氰效果正常的前提下，采用增加捕收剂加药点，强化对难选金矿物及载金矿物的捕收能力等3种措施，浮选作业金回收率提高了15.40百分点，精矿金品位由7.10 g/t提高至12.29 g/t；现场浮选生产指标稳定，月可增加经济效益约171万元。该工艺改进可为类似矿山生产提供指导。
关键词:
滩间山金矿；高泥混合矿；浮选；工艺改造；氰化
Abstract:
To address the problem of severe ore argillization in the Tanjianshan Gold Mine in Qinghai,laboratory optimization experiments and production practices were conducted on the all-sliming cyanidation ＋ flotation joint process.The results showed that by using asynchronous flotation,the easily floatable gold minerals,gold-bearing minerals,and difficult-to-inhibit clayey products were preferentially enriched in the final concentrate.By reducing the pulp concentration,the influence of clayey minerals conglomeration on gold-bearing minerals encapsulation was mitigated.Additionally,increasing the dosage and adding points of the collector enhanced the capturing ability for refractory gold minerals and gold-bearing minerals.With these 3 measures,the overall gold recovery rate in flotation increased by 15.40 percentage points,and the gold grade in the concentrate improved from 7.10 g/t to 12.29 g/t,while ensuring the normal cyanide removal effect of tailings.The on-site flotation production indicators remained stable,with an increase in monthly economic benefits of approximately 1.71 million yuan.This process improvement can guide similar mines.
Keywords:
Tanjianshan Gold Mine;high slime mixed ore;flotation;process transformation;cyanidation
