砂石骨料是基建工程能不或缺的基础原料，在海外工程项目推进过程中，如何依托本地石料资源，稳定产出品质达标的精品骨料，一直是众多从业者重点思考的难题。菲律宾北部河道蕴藏储量可观的河卵石，石料质地坚硬，是生产高品质骨料的更好原料，但这类石料硬度高，常规加工方式很难把控成品粒型，加上矿区场地分散、施工点位不固定，传统固定式生产线难以适配现场多变的工况。黎明重工结合当地资源特性与市场需求，量身打造一套 NK 系列移动破碎筛分生产线，就地完成河卵石破碎、筛分、水洗整套工序，产出多种规格精品骨料，为当地基础设施与地产开发项目持续供应更好砂石材料。

整套生产线以多台移动装备协同作业，打破了传统砂石工厂固定选址、长距离转运原料的局限，设备无需搭建复杂的钢结构基础，进场后短时间内即可投入生产，机动性优势在分散的作业场地中得到充分发挥。生产线的好的道工序由NK75J颚破移动站负责，大块河卵石由铲车送入设备内部，依靠颚式破碎机强大的挤压破碎能力完成粗碎作业。原料里混杂的细料，能够通过给料机自带的篦条提前分离，直接随皮带输送至下一环节，避免细料重复破碎造成设备负荷增加，在优化破碎流程的同时，也降低了无用能耗。

经过粗碎处理后的石料，输送至 NK300HS 圆锥破移动站开展二段加工。河卵石质地坚硬，对破碎设备耐磨性能和承压能力提出很高要求，这款圆锥破针对硬质石料破碎做了专项优化，破碎腔型经过精细化设计，石料在腔内受到多层碾压、研磨作用，成品颗粒棱角更少，形态更加圆润规整。设备搭载预筛分模块，破碎后的物料会先行筛选，达标骨料进入下一道工序，粒径偏大的石料自动回流再次破碎，形成闭环加工模式，有效减少不合格成品流出，保障骨料级配稳定。

骨料在完成破碎之后，送入 NK200S 筛分移动站与洗砂机进行深度处理。多级筛分系统可以把物料分选成多种规格成品，再配合水洗设备去除骨料表面附着泥土与杂质，洗净后的砂石洁净度大幅提升，不同粒径的骨料分别堆存，直接满足工程对于 5mm 至 38mm 多种规格用料需求。整套产线各单元衔接流畅，布局紧凑合理，各台移动站独立又相互配合，减少物料中转环节，现场不需要过多转运车辆来回穿梭，生产秩序更加整洁有序。

除了出色的破碎工艺，这条生产线的智能化设计同样亮眼。设备集成智能监测模块，能够实时掌握整机运行状态，一旦出现异常情况及时预警，方便运维人员快速排查隐患。设备核心零部件选用高品质耐磨材质，长期连续作业依旧保持稳定性能，能够适应海外复杂的户外作业环境，减少频繁停机检修带来的损失。对比传统固定式生产线，移动破碎模式省去大量土建施工成本，项目可以跟随施工点位灵活转场，一处工程完工后，设备能够转移至新矿区继续投产，拉长装备的使用周期，提升整体投资回报。

在当地基建持续推进的背景下，高品质骨料的市场需求不断增长，普通砂石产品已经难以满足高标准工程用料标准。这条由黎明重工打造的河卵石移动破碎项目，充分挖掘本土河卵石资源价值，依靠成熟可靠的破碎装备与科学的工艺布局，把天然石料转化成粒型优良、级配均衡的精品骨料。稳定可靠的运行表现、灵活便捷的作业模式，收获了客户的高度认可。客户表示，整套生产线工艺布局科学合理，智能化水平高，长期运行状态稳定，和专业设备品牌合作，省去了很多生产中的麻烦。

菲律宾河卵石生产线的成功落地，正是好的破碎装备适配海外市场的典型实践。未来随着海外基建项目持续落地，移动破碎装备将发挥更大作用，持续推动砂石行业朝着智能化、精品化、绿色化方向稳步前行。

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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