在辽宁葫芦岛连山区沙河营乡，有一条制砂生产线，从2017年夏天开始运转，到现在已经跑了快十个年头。对于砂石行业来说，设备能稳定运行这么多年，本身就是一件挺难得的事。这条线属于当地一家搅拌站企业，主要加工鹅卵石，产品供自己的混凝土搅拌站和干粉砂浆站使用。整条线分两期建设，一期用了一台5X9532制砂机和一台3YZS2160振动筛，时产80吨，出料0-5mm，供给搅拌站；二期增加了一台VSI8518制砂机，时产40吨，出料0-4mm，用于干粉砂浆制备。两期加起来总计时产120吨左右。设备由黎明重工提供。

很多人一听到制砂生产线，脑子里浮现的画面可能是长长的皮带、复杂的管道、密密麻麻的控制柜。但这条线的设计思路恰恰相反——简单，好用，不折腾。

先说流程。一期这边，30mm以下的鹅卵石原料直接进料仓，皮带机一送，5X9532制砂机就开始干活了。这台机器集破碎和整形于一体，出来的料经过振动筛一筛，小于5mm的进成品区，大于5mm的返回再打一遍。就这么一个循环，没有多余的中间环节。二期更简单，VSI8518制砂机独立运行，直接配套干粉砂浆生产。

简单带来的直接好处就是使用成本低。

制砂机这种设备，日常开销的大头不在电费上——电费是固定的，大家都差不多——真正拉开差距的是易损件的更换频率和维修工时。5X9532制砂机有一个很巧妙的设计：组合式锤头。什么意思呢？传统设备的锤头磨坏了要整个换，而这款只需要换磨损的那一部分就行。别小看这个区别，在长期运行中，这个设计能把使用成本降下来一大截。而且它的周护板局部磨损后可以上下调头继续用，材料利用率高，使用寿命也更长。再加上稀油润滑系统自动保养，轴承摩擦小、故障率低。说白了，这台机器在设计的时候就把“省钱”这件事想明白了——能换局部的不换整体，能自动保养的不让人工操心。

VSI8518也是一样，属于VSI系列里应用很广的型号。整个VSI系列在设计上就注重易损件的低损耗，通过优化破碎腔的物料撞击角度，让物料跟耐磨件的摩擦降到最低。摩擦少了，件就耐用了，换得就少了，钱自然就省了。

这条线从2017年7月开始运行，到现在快十年了。十年是什么概念？砂石行业的生产环境算不上好，粉尘、振动、连续作业，对设备的考验其实挺大的。一条生产线能在这个环境下稳稳当当跑这么多年，没出过大毛病，没让老板半夜接到过紧急电话，这就是硬功夫。

5X系列制砂机在行业内本身就积累了不少口碑。VSI5X系列拥有国家专利，还拿过河南省科技进步奖和牌子产品的称号。在宝钢、葛洲坝水电这些大项目里都能看到它的身影。这些荣誉不是凭空来的，是实打实跑出来的。而VSI系列作为黎明重工的拳头产品，在鹅卵石、花岗岩这些硬物料制砂方面积累了大量的实战经验。设备好不好，不是看参数有多漂亮，而是看在现场能扛多久——这条葫芦岛的线，就是最好的证明。

这条葫芦岛的生产线，一期供搅拌站，二期供干粉砂浆，两套系统各司其职，互不干扰，九年如一日地稳定输出合格产品。

回过头来看，这条生产线的价值其实很简单：用简单的流程把事办了，用低成本的维护把日子过了，用长期的稳定把信任挣了。从2017到2026，从连山区沙河营乡到周边的搅拌站和砂浆站，这条线一直在转，没停过。

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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