1. 项目概述

1.1 项目背景
云南省玉溪市峨山县塔甸镇(东经102°15′，北纬24°10′)地处云贵高原，石灰石资源储量丰富(探明储量约XX亿吨，CaO含量≥52%)。2017年为配合地区高速公路网络建设(规划里程XXkm)，建设本砂石骨料生产线。

1.2 设计依据

    《GB/T 14684-2022 建设用砂》
    《GB/T 14685-2022 建设用卵石、碎石》
    峨山至石屏高速(XX标段)技术规范

2. 工艺设计

2.1 原矿特性
参数 指标 检测方法
抗压强度 120-150MPa GB/T 50266
含水率 ≤1.5% GB/T 14684
SiO₂含量 ≤2% XRF分析

2.2 工艺流程框图

[开采区]→[GZD1300×4900振动给料机]→[PE900×1200颚破]
　　　　　　　　　　　↓
[皮带机B800]→[PFW1315Ⅲ反击破×2]→[4YZS2460振动筛×2]
　　　　　　　　　　　↑　　　　　↓
　　　　　　　　[返料皮带]←[＞31.5mm]

2.3 关键设备参数
设备名称 型号 功率(kW) 处理能力(t/h) 关键配置
颚式破碎机 PE900×1200 110 220-450 高锰钢齿板
反击式破碎机 PFW1315Ⅲ 200×2 160-300×2 液压开盖
圆振动筛 4YZS2460 30×2 400-600 聚氨酯筛网
3. 质量控制体系

3.1 成品指标
规格(mm) 针片状含量 含泥量 压碎指标
5-10 ≤8% ≤0.8% ≤12%
10-20 ≤10% ≤0.5% ≤10%

3.2 检测频率

    每小时取样检测粒度分布
    每班次检测含泥量
    每日送检第三方实验室

4. EHS管理

4.1 环保措施

    脉冲布袋除尘器(排放浓度≤20mg/m³)
    循环水系统(废水回用率100%)
    隔音罩(厂界噪声≤65dB)

4.2 安全防护

    破碎机液压过载保护
    皮带输送急停拉绳
    筛分平台防坠落网

5. 运行数据

5.1 实际运行参数(2023年度)

    平均台时产量：385t/h
    设备运转率：92%
    吨电耗：1.8kW·h/t

5.2 维护记录

    颚破衬板更换周期：1800小时
    反击破锤头寿命：2500小时
    筛网使用寿命：6个月

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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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