HST单缸液压圆锥破碎机在坦桑尼亚金矿选矿项目中的应用实践
项目深度背景

坦桑尼亚作为非洲黄金生产国（2023年产金50.8吨），其金矿资源主要分布在：

    绿岩带型金矿（占比65%）
    石英脉型金矿（占比30%）
    本项目处理的矿石特性：
    ✓ 普氏硬度f=12-14
    ✓ 金嵌布粒度0.01-0.3mm
    ✓ 含硫量2.8-3.5%

HST单缸液压圆锥破定制化方案

机型选择：HST250特制版

    主电机功率：315kW
    最大通过量：380t/h
    排料口范围：18-45mm

工艺适配改造：

    耐磨升级：

    动锥/定锥采用KB27好的高锰钢
    衬板厚度增加至120mm
    使用寿命达2000小时

    防腐处理：

    海洋级防腐涂层（C5-M标准）
    不锈钢液压管路
    热带专用密封件

    智能配套：

    在线粒度分析仪
    液压系统状态监测
    自动润滑系统（间隔可调）

实际运行关键数据
指标 设计值 实际值
处理量 350t/h 385t/h
产品细度P80 ≤25mm 22mm
能耗 0.9kWh/t 0.82kWh/t
运维周期 8h/班次 6h/班次
比较优势实证

与传统弹簧圆锥破对比：

    效率提升：

    破碎比从4:1提高到5.5:1
    系统产能增加27%

    成本优化：

    衬板消耗降低42%
    液压油用量减少35%
    故障停机时间缩短68%

    工艺改进：

    过破碎率从15%降至8%
    给料粒度波动适应性提升
    （可处理≤250mm直接给料）

项目延伸价值

    环境效益：

    噪音控制82dB→75dB
    粉尘排放18mg/m³→5mg/m³

世邦集团基于该项目经验，最新推出HST系列，特别针对非洲高硬度矿石优化了主轴速度和破碎腔型，现已在津巴布韦锂矿项目投入应用。

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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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