河南许昌石灰石骨料生产线——产业链延伸标杆项目
河南许昌石灰石骨料生产线——产业链延伸标杆项目
一、项目背景：产业链整合的必然选择
客户作为河南省头部混凝土企业（涵盖商混站、干粉砂浆、矿粉加工等业务），2016年面对混凝土行业产能过剩，决定向上游延伸，投资建设高品质砂石骨料生产线，形成"矿山废石→骨料→混凝土"一体化产业链。
核心诉求：
✔ 降低原材料外购成本
✔ 把控骨料质量（粒形、级配、含粉量）
✔ 提升终端混凝土产品竞争力
二、创新选址：与水泥厂协同降本
原料来源：长期合作水泥厂的石灰石矿山剥离废石（年均废石量50万吨）
选址策略：
紧邻水泥厂布局（禹州市苌庄镇），共享三大基础设施：
✅ 矿山破碎系统 → 直接接驳原料通道
✅ 输送皮带廊 → 省去原料转运设备
✅ 电力电网 → 降低配套电网改造成本
效果：较独立建厂节省基建投资35%，实现"零原料运输费"运营
三、生产线配置与工艺亮点
1. 设备选型
环节 设备 核心优势
中细碎 HPT300多缸液压圆锥破 液压清腔，适应高硬度石灰石
制砂整形 VSI1140冲击式制砂机 成品砂细度模数2.6-3.0，粒形优
筛分 3YKN3070圆振动筛 四层筛网，精准分级4种骨料
2. 工艺创新
"圆锥破+冲击破"双级整形：使针片状含量＜8%（高铁用混凝土标准≤15%）
石粉循环利用：收集5%石粉用于干粉砂浆原料，实现零废料
智能联控：与水泥厂共享DCS系统，实现骨料-水泥生产协同调度
四、项目效益
经济性
▪ 骨料自供成本较外购降低40元/吨
▪ 2023年骨料外销利润率达52%（部分供应中铁等重点工程）
环保性
▪ 年消纳废石50万吨，减少矿山固废堆积
▪ 全封闭生产，粉尘排放＜10mg/m³（国标≤20mg/m³）
五、行业示范价值
该项目的成功实践为混凝土企业延伸产业链提供了模板：
选址模型：依托上游水泥厂/矿山，最大化利用现有基础设施
设备组合：HPT+VSI方案可复用于花岗岩、鹅卵石等物料加工
循环经济：废石→骨料→混凝土→建筑固废再生，形成完整绿色闭环
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根据已知条件，石膏更大粒度，水泥中石膏掺加量，水分，汽车运输进场。修理后，必须保证原设计要求之各轴承中心间距。河南机器制造有限公司主要生产颚式破碎机、冲击式破碎机、锤式破碎机、洗砂机、压球机、烘干机等设备，欢迎用户前来实地考察。大型都是采用国外进口或现代高科技设备，进而人工成本低，效率高！
主要有以下设备破碎机，制砂机，洗砂机，潜孔钻机，自卸汽车，推土机，装载机，装药车和压路机等。用这种水泥建设公路，每年可节约相当可观的资金。不开裂是这种水泥的另一大更性。
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：
