如果你开车经过龙游的杨家大桥或者316省道，目光很难不被江边那片厂区所吸引。整洁的厂房掩映在绿植之间，运砂船在码头有序停靠，听不到轰隆的噪音，也看不到弥漫的粉尘。

但这里确确实实是一座制砂基地。两个现场分别位于衢江上下游，规模宏大，基本覆盖了整段衢江流域。每天，河道采砂企业将河卵石从江中直接装船运送至料场，经过破碎、筛分、水洗等一系列工序，最终变成建筑市场急需的机制砂和碎石骨料。

龙游地处“四省通衢”之地，衢江过境，河卵石资源得天独厚。过去，这一带的采砂方式相对粗放，市场秩序也不够规范。全封闭的输送带、智能化的抑尘系统、废水循环沉淀池……每一步投入都在回答同一个问题：谁说砂石厂一定是灰头土脸的？

当然，光靠“漂亮”还不够。真正支撑起这座基地的，是藏在厂房里的四套破碎筛分设备。两条生产线分别安装于衢江上下游，每条线配备两台颚式破碎机、两台单缸液压圆锥破碎机和一台锤式破碎机，外加圆振动筛和洗砂机。两条线加起来，共计四台PE600×900颚破、四台HST160单缸液压圆锥破、四台圆振动筛。而这些设备，全部来自黎明重工。

黎明重工成立于1987年的企业，总部位于郑州国家高新技术产业开发区，是一家集研发、生产、销售于一体的股份制企业，专注于矿山与建筑破碎筛分装备制造。公司产品涵盖移动式破碎机、液压圆锥破碎机、冲击式破碎机等数十个系列，广泛应用于砂石骨料、金属矿山及电力环保脱硫等领域。

龙游这条生产线为什么选这几款设备？河卵石硬度高，对破碎设备的耐磨性和稳定性提出了很高要求。PE600×900颚破采用深腔设计，破碎能力强、结构紧凑，关键在于耐用——高硬度的河卵石对颚板磨损大，而黎明重工优化了颚板角度和材质，大大延长了使用寿命。这款设备的性能稳定，使用成本低，噪音和粉尘也控制得不错，在砂石骨料生产线的粗碎环节表现相当可靠。

真正出彩的是HST160单缸液压圆锥破碎机。这款设备采用了层压破碎原理——不是靠蛮力把石头砸碎，而是让石料在破碎腔内相互挤压、摩擦，自然剥离。这种破碎方式的好处很明显：成品粒型圆润、针片状含量极低，特别适合做高品质机制砂。全自动控制系统可以提供手动、自动负载、自动排料口等多种控制模式，操作起来非常方便。正压防尘系统让破碎腔内部压力始终高于外部，有效防止灰尘进入污染润滑油，大大减少了维护工作量。液压润滑站一体化设计，既节省空间又提高了系统可靠性。此外，生产线还配备了锤式破碎机用于制砂，圆振动筛负责精准分级，将混合料筛分成机制砂、碎石等多种规格，各走各的道，互不干扰。

这套生产线的工艺流程设计也很巧妙。物料进入圆振动筛后，天然砂先被分离出来，直接进入洗砂机清洗，产出干净的河砂成品。其余大块物料进入颚破进行初碎，破碎后经过检查筛分，大于一定尺寸的返回再碎，符合尺寸的进入圆锥破进行二次整形。最后再次筛分，细料进入洗砂机产出机制砂，粗料直接成为碎石产品。这样一来，一条线上就能产出天然河砂、机制砂和两种规格碎石，一石三料，物尽其用。

客户自己的评价最有说服力。投产后，这两条碎石制砂生产线不仅生产出了粒型优秀的机制砂，还产出了粒度合适的两种碎石产品，完全满足了生产需求。设备运行稳定，生产效率高，操作和维修都很简便。对于这次合作，客户表示了充分的认可和满意。

回看龙游这条河卵石制砂生产线，它做对了几件事：选对了设备——HST圆锥破的层压破碎技术精准攻克了河卵石高硬度痛点；想透了环保——从设计之初就奔着“花园式单位”去，让制砂厂不再是周边居民的投诉对象；管好了运维——智能化控制系统让操作更加便捷，降低了人工依赖和维护成本。

这不仅仅是龙游一家企业的故事，也是国内矿山装备行业技术进步的一个缩影。正如黎明重工一直倡导的那样，以技术创新驱动产业升级，用更好设备服务基础设施建设和绿色建材发展。当一座制砂基地可以同时兼顾生态环保、智能生产和稳定效益，砂石行业的“科技范儿”，正在被越来越多的人看见。

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2.物料烘不干,产量上不来。在物料水分较高的情况下,设备粘堵极为严重,输送、喂料均非常不方便。本机运转平稳,工作可靠。三液压电动启动机壳只需要一人即可轻松启闭,不仅轻巧快捷且安全可靠,便于维修。

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：