一、项目概况

本项目位于宁波市北仑区，由世邦集团提供全套破碎制砂装备和技术支持，建成集矿山破碎、机制砂生产和混凝土骨料加工为一体的现代化生产线。生产线采用"三级破碎+好的制砂"工艺，日处理凝灰岩原料7200吨，年产更好机制砂和建筑骨料200万吨，充分满足建设单位混凝土搅拌站的用料需求。
二、世邦技术方案亮点

    核心设备配置
        粗碎单元：PEW860欧版颚破
        中碎单元：HPT500多缸液压圆锥破（层压破碎技术）
        细碎整形：PF1620反击破（世邦第四代转子系统）
        制砂单元：VSI6X立轴冲击破（"石打石"和"石打铁"双模式）
        筛分单元：3075多层圆振筛（世邦防堵筛网）

    智能控制系统
        生产线全流程自动化运行
        设备状态实时监控（振动、温度、电流等）
        产能自动调节（根据给料量智能匹配）
        故障预警和远程诊断

    环保解决方案
        脉冲布袋除尘系统
        封闭式钢结构厂房
        洗砂水循环处理系统

三、生产工艺优化

    凝灰岩专用破碎方案
    针对凝灰岩中等硬度但含硅量高的特性，世邦量身定制：
        圆锥破衬板使用复合陶瓷材料
        反击破板锤配置超硬合金
        制砂机抛料头采用碳化钨耐磨包裹

    成品质量控制
        机制砂细度模数控制
        石粉含量自动调节（3%-10%可调）
        粒形优化系统（针片状含量＜8%）

    能效优化措施
        变频技术应用（综合节能15%）
        热能回收系统

四、项目实施成效

截至2024年最新运行数据：

    产能指标：实际产能达350t/h（超设计16.7%）
    质量指标：
        机制砂：级配区II区

    运行指标：
        设备运转率93.5%
        耐磨件寿命延长30%

五、后期服务保障

世邦集团提供：

    专属服务：
        技术指导（前3个月）
        备件联储方案
    智能服务：
        云平台设备监控
        大数据运维分析
    升级服务：
        工艺优化咨询
        设备技改方案
        产能提升计划

六、项目示范价值

该生产线已成为世邦集团在长三角地区的样板工程，具有以下意义：

    凝灰岩好的利用：开发出凝灰岩制备高品质机制砂的完整方案
    绿色矿山建设：打造"破碎-制砂-环保"三位一体新模式
    产业链延伸：实现"矿山-骨料-商砼"全产业链配套
    智能化标杆：建立建材行业智能生产新标准

该项目不仅解决了建设单位自身用料需求，还带动了区域建筑砂石产业的转型升级。世邦集团将持续提供技术支持，助力客户打造绿色矿山示范基地。

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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