内蒙古包头某矿业磁铁矿破碎选矿技改-单缸液压圆锥破

磁铁矿破碎选矿，单缸液压圆锥破在内蒙古包头某矿业磁铁矿破碎选矿技改项目的应用。

内蒙古包头矿山破碎选矿生产线升级改造项目报告

    项目背景与概况
    内蒙古包头磁铁矿项目是国内重要的钢铁原料生产基地，年处理原矿能力达600万吨。该生产线始建于2018年，原设计产能400吨/小时，采用传统破碎工艺。但在实际运行中，暴露出以下突出问题：

    设备性能不稳定，故障频发
    破碎效率低下，成品合格率不足70%
    能耗指标偏高，吨矿电耗超标
    维修成本居高不下，严重影响经济效益

    技术改造方案及实施
    经深入诊断，技术人员确定了"设备升级+工艺优化"的双轨改造方案：

（1）关键设备升级
① 粗碎系统：

    采用PEW860欧版颚破/C6X系列颚破替换原设备
    优化破碎腔型，采用V型对称结构
    升级液压调整系统，实现快速排料口调节

② 中碎系统：

    选用HST250单缸液压圆锥破
    配备智能控制系统，实时监测运行参数
    采用液压保护装置，冲击保护响应时间<0.1秒
    优化破碎腔型，提高破碎比至4.5:1

③ 细碎系统：

    配置HPT多缸液压圆锥破
    采用层压破碎原理，提升细碎效率
    配备自动润滑系统，延长轴承寿命

（2）工艺流程优化
建立"三段闭路破碎"新型工艺系统：

    粗碎段：60-300mm入料，开路破碎
    中碎段：闭路循环，筛上料返回
    细碎段：闭路破碎，确保<13mm
    配置S5X好的振动筛，筛分效率达95%

    技术创新亮点
    （1）圆锥破技术突破

    采用专利液压系统，调节精度±1mm
    配备智能控制面板，实现一键式操作
    优化主轴转速，提高处理能力30%
    改进耐磨材料，衬板寿命延长50%

（2）系统集成创新

    研发专用控制系统，实现全线联动
    建立远程监控平台，24小时实时监测
    开发智能预警系统，故障预判准确率85%

    实施效果评估

【指标对比表】
指标 改造前 改造后 提升幅度
处理能力 320t/h 420t/h +31%
设备运转率 75% 93% +18%
成品合格率 68% 92% +24%
吨矿电耗 8.7kWh 6.2kWh -29%
    项目意义与推广
    本项目成功实施后，已成为内蒙古地区矿山技改的示范工程：
    （1）经济效益

    年增产值约2.3亿元
    投资回收期缩短
    综合效益提升40%以上

（2）环保效益

    粉尘排放降低60%
    噪声污染减少45%
    废水实现循环利用

注：本项目充分展示了现代破碎技术在矿山改造中的综合价值，其技术路线和设备选型方案可为同类矿山提供重要参考。目前，项目团队正在开展智能化升级工作，计划2024年底建成数字化矿山示范工程。

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.

现场视频如下：

源自：http://www.psjq.cn/ 磁铁矿破碎选矿