河南郑州石灰石制砂生产线技术方案,VU120塔楼制砂机
河南郑州石灰石制砂生产线技术方案,VU120塔楼制砂机
一、项目背景
河南郑州某预拌砂浆生产企业于2017年10月投产的石灰石制砂生产线，位于新密市曲梁镇，采用黎明重工VU120骨料优化系统，以外购石灰石为原料，生产符合国家标准的精品机制砂，更好预拌砂浆使用。该生产线以塔楼式全封闭设计为核心，解决了传统制砂工艺中粒型差、含粉量高、污染大等问题，成为绿色智能制砂的标杆案例。
二、VU系统核心技术及设备配置
1. VU塔楼式集成系统架构
VU系统采用垂直塔楼布局，整合破碎、整形、筛分、除尘、石粉控制等模块，占地面积较传统产线减少60%以上。本项目配置的VU120系统包含以下核心单元：
制砂整形主机：多级破碎腔结构，实现石灰石"石打石"与"石打铁"复合破碎，成品粒型圆润，针片状含量＜8%；
模控筛分系统：高频振动筛与空气筛分机联动，精确控制成品砂0.075-4.75mm区间级配，细度模数可调（2.3-3.1）；
VU粒优机：通过高速涡流空气选粉，将石粉含量稳定控制在5%-15%；
加湿搅拌模块（选配）：智能调节含水率至3%-5%，满足预拌砂浆对砂料流动性的要求。
2. 环保与能效设计
脉冲除尘系统：采用三级过滤（旋风+布袋+活性炭），粉尘排放浓度＜20mg/m³；
噪声控制：塔楼全封闭+复合隔音材料，厂界噪声＜65dB；
循环利用：90%以上工艺水回用，石粉收集后可作为砂浆掺合料。
3. 智能化控制系统
配备PLC更好控制台，实时监测产能、能耗、设备状态等数据；
联动调节破碎机转速、筛分角度等参数，确保成品砂质量稳定。
三、生产指标与优势分析
指标类别 参数/效果 传统工艺对比
生产能力 时产120-150吨成品砂 提升40%
成品质量 细度模数2.8±0.2，MB值≤1.0 级配连续性提高35%
能耗 单吨电耗≤8kWh 降低25%
用地 系统占地约15m×20m 节省60%场地
环保达标 达到GB/T 14684-2022标准 无污水外排、粉尘超低排放
核心优势：
砂质提升：粒型接近天然砂，压碎值≤20%，砂浆抗压强度提高15%-20%；
成本优化：石粉增值利用，每吨砂综合成本降低18-25元；
快速部署：模块化设计，从安装到投产仅需45天。
四、行业应用拓展
该方案不仅适用于石灰石，还可适配花岗岩（需调整耐磨件材质）、尾矿等原料，典型应用场景包括：
预拌砂浆领域：控制石粉含量5%-10%，替代30%-50%天然砂；
混凝土搅拌站：生产II类及以上标准机制砂；
干混砂浆一体化项目：与砂浆生产线无缝对接。
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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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