一、项目背景及地理环境
新疆乌恰县某铁矿位于中国与吉尔吉斯斯坦边境30公里范围内。矿区平均海拔3200米，年均气温仅3.5℃，冬季最低温可达-30℃，年降水量不足200mm，属于典型的高寒干旱矿区环境。

该矿区已探明赤铁矿储量超过5000万吨，平均铁品位达58.3%，伴生有钒、钛等有价元素。矿体呈层状分布，厚度8-15米，倾角25-35°，矿石普氏硬度f=12-14，具有显著的耐磨蚀特性。

二、生产需求与技术挑战

    设计产能要求：

    年处理原矿80万吨
    产品粒度要求0-25mm占比≥90%
    系统可用率≥92%

    特殊环境制约：
    （1）高海拔影响：

    空气含氧量仅为平原地区的65%
    柴油机功率损失达30%
    液压系统效率降低20%

（2）地理条件限制：

    矿区道路最大坡度18%
    作业区温差达40℃（-20℃至+20℃）
    季节性强风（最大风速28m/s）

三、设备选型解决方案
经过多方比选，最终选用世邦集团NK系列移动破碎筛分系统，具体配置如下：

    核心设备参数：
 颚式移动破碎站
    处理能力：150t/h
    进料粒度：≤650mm
    防风设计：8级抗风结构

    圆锥移动破碎站
    液压系统：低温型(-40℃)液压油

四、项目实施关键节点

    技术创新点：
    （1）高海拔适应性改造：

    发动机增压系统升级
    液压油冷却系统优化
    电气元件防凝露处理

（2）快速安装技术：

    采用液压升降支腿系统
    模块化管线连接设计
    预编程控制系统

五、运营数据对比

    经济效益：

    达产时间比传统方案缩短45天
    人力成本节约40%（仅需5人操作）
    运输成本降低30%（就地破碎）

六、后续合作升级
基于首期项目的成功实施，双方于同年11月展开二期合作：

    技改内容：

    原固定生产线自动化升级
    增加X射线智能分选系统
    建设更好控制室

七、行业示范意义
该项目创建了高海拔矿区装备应用的三个示范：

    首次在3000米以上矿区实现移动破碎站连续作业
    建立高原环境下设备选型数据库
    开发出适用于边境矿区的远程运维方案

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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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