苏丹日处理2000吨金矿石选矿项目，位于非洲苏丹，该国已发现金矿矿床150多个，探明黄金储量970吨，是全球重要的沙金矿资源分布区，主要集中在河流冲积层、古河床、海滨砂矿等地区。世邦集团凭借技术适配、本地化支持等赢得国际客户的认可。苏丹金矿选矿项目，日处理金矿石可达2000吨。

   矿石特性：

    主要脉石矿物：石英（70%）、长石（15%）、云母（10%）
    金矿物形态：主要为片状、粒状自然金
    金粒度分布：+0.074mm占65%，0.074-0.037mm占25%

二、工艺流程设计

    碎磨系统：

原矿仓→格筛(100mm)→颚破(C6X160)→双层振动筛→圆锥破(HPT300)→
高压辊磨机→球磨→旋流器组(Φ350×6)

    设计破碎比i=80
    最终磨矿细度-0.074mm占90%

    重选系统：

    采用"跳汰+摇床"联合流程
    强化微细粒回收
    设计回收率：+0.074mm金95%，-0.074mm金85%

    辅助系统：

    尾矿处理：深锥浓密机+压滤机
    水循环率：≥85%
    电力配置：10kV高压配电系统

三、核心设备选型

    破碎工段：

    颚式破碎机：C6X160，处理量500t/h
    圆锥破：HPT300，闭边排料口25mm

    磨选工段：

    球磨机
    分级效率：≥85%

    环保设施：

    含氰废水处理站（50m³/h）
    粉尘收集系统（效率＞99%）

四、技术经济指标
项目 指标
处理能力 2000t/d
作业率 92%
金回收率 93.5%
电耗 28kWh/t
钢耗 0.8kg/t
水耗 0.5m³/t
五、项目实施方案
    建设周期：
    设计：3个月
    施工：8个月
    调试：1个月

六、技术创新点

    采用"高压辊磨+球磨"预选抛尾工艺，降低能耗30%
    开发了适于红土型金矿的复合捕收剂
    应用PLC全流程自动化控制系统
    尾矿干排技术实现零排放

七、运维保障

    备件储备：
    关键备件库存率达95%

    技术服务：

    驻厂工程师团队
    远程诊断系统

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

LIMING brings a large number of high-qualification talents together. Bai Yinghui, general research and development engineer, is a well-known expert in crushing and grinding area who won the youth medal of technology of the state council and receives special government allowance. LIMING owns an experienced service team, offering the customer free design and professional skill training and live guide for installation and debugging. The company's service networks have spread all over the country. Established client files, and mix the traditional door-to-door service with online service together, complementary the advantages. LIMING has won high recognition from clients.

The company mainly manufactures mobile crushers, stationary crushers, sand-making machines, grinding mills and complete plants that are widely used in mining, construction, highway, bridge, coal, chemical, metallurgy, refractory matter, etc. Product quality is life, and scientific innovation is motive power. LIMING got ISO international quality system certification, European Union CE certification and Russian GOST certification. The company has strong research and development strength and innovation.

LIMING machinery research institute was founded in 2005 which is the most powerful comprehensive technological research institute in the domestic mining machinery industry and provides top scientific research platform for professional personnel. Up to now, LIMING has won 10 national patents, 24 national utility model patents and 3 provincial science and technology achievement awards. The company products remain the international leading level by strengthening international exchanges and cooperation all the time, and has won a wide range of international market, such as Russian, Azerbaijan, Kazakhstan, Turkey, Kuwait, South Africa, Egypt, Vietnam, Malaysia, India, Australia, Korea, Canada and European Union,etc. Through more than 30 years' hard work, LIMING's staff built supremacy of credibility, excellent quality, service "LIMING" brand, and has made outstanding contributions to the development of mechanical manufacturing industry for China and the whole world.

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