在安徽池州这片水系丰沛的土地上，一条以生态修复为起点、以资源再生为路径的砂石骨料生产线，正悄然重塑着传统建材的生产逻辑。它不再是对自然的索取，而是对废弃资源的深情回响——河道治理中被清理的河卵石，经由科学工艺的转化，重获新生，成为支撑城市肌理的坚实骨料。这一转变，不仅是一次技术的跃迁，更是一种发展理念的深刻践行。

这条生产线的核心，是好的、稳定、低耗的破碎与制砂系统。其中，黎明重工的PE系列颚式破碎机，以坚固的结构与稳定的进料能力，承担起物料初级破碎的重任；随后，HPT300多缸液压圆锥破碎机以层压破碎原理为核心，使物料在高压下相互研磨、碎裂，不仅显著提升破碎效率，更使成品粒形趋于圆润、级配更加均匀，为高品质骨料的生成奠定基础。这一技术路径，避免了传统冲击式破碎带来的针片状超标问题，让每一块碎石都更贴近天然砂石的物理特性。而VSI系列立轴冲击式制砂机，则通过“石打石”自磨整形工艺，在高速旋转中实现物料的自碰撞破碎，大幅降低能耗与粉尘产生，成品砂洁净度高、含粉可控，完全满足现代混凝土对骨料的严苛要求。整套系统运行平稳，智能化控制模块实时监测振动、温度与润滑状态，保障设备在长时间连续作业中保持最优性能。

圆振动筛精准分级，确保不同粒径物料各得其所；洗砂机与压滤机协同作业，实现砂石的好的清洗与水分脱除，整个流程无污水外排，无粉尘逸散。这种“零污染、零排放”的绿色生产模式，不仅符合国家环保政策导向，更将资源化利用的生态价值具象化为可感知的洁净成果。从河床淤积物到建筑用砂，从粗放弃置到闭环再生，这条生产线完成了从“环境负担”到“绿色资产”的华丽转身。

这些由废弃河卵石转化而来的精品骨料，被广泛应用于商品混凝土、透水砖、干混砂浆等生态建材的生产中。透水混凝土路面，让雨水自然下渗，缓解城市内涝；干混砂浆，提升施工效率与墙体耐久性；而高品质机制砂，则成为保障性住房、市政道路、桥梁工程等民生项目的核心原料。它们不再只是“石头”，而是承载着低碳理念、海绵城市、绿色建筑等国家战略的物质载体。在“双碳”目标更好下，砂石行业正从规模竞争转向质量与绿色属性的综合比拼，而这条生产线，正是这一转型浪潮中的生动样本。

从资源再生到产业延伸，从设备好的到生态闭环，这条位于皖南的砂石生产线，用沉默的钢铁与流动的石料，讲述了一个关于尊重自然、循环利用的现代故事。它不喧哗，却有力；不张扬，却深远。

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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