张聪瑞,白佳霖,王浩宇,陈诚,李吉民,邱浪,郑重,任高峰,赵亮

• 1:武汉理工大学资源与环境工程学院
• 2:关键非金属矿产资源绿色利用教育部重点实验室
• 3:矿物资源加工与环境湖北省重点实验室
• 4:武钢资源集团程潮矿业有限公司

摘要(Abstract)：

面对矿山行业绿色低碳转型的迫切需求，爆破环节的减碳已成为关键。爆破效果直接决定了矿石块度的分布，进而对后续工艺环节的能耗产生决定性影响。针对程潮铁矿开采现状，构建出矿山采场各生产工艺碳排放模型，分析了凿岩耗电量、爆破耗药量、铲装与运输设备耗电量与爆破中位数块度(D_(50)块度)之间的定量关系，并结合相应能源与材料的碳排放因子，实现了从块度到生产全程碳排放的系统性拟合与量化评估，计算确定的最低碳排放D_(50)块度为32.55 cm。通过改变炮孔长度、填塞长度、孔底距参数设计了16组正交实验，采用ANSYS/LS-DYNA分析了不同方案下的爆破裂隙分布，并结合Canny算法提取岩块与裂隙边界，统计出了正交实验各方案的大块率、粉矿率以及D_(50)块度，计算出各方案的碳排放量。采用PSO-ELM算法在正交实验数据基础上构建出块度预测模型，并引入NSGA-Ⅱ进行爆破参数优化，得到最低碳排放和最适宜块度双重约束下的爆破参数为:炮孔长度166 m、堵塞长度21.6 m、孔底距2.0 m。结果表明:所提出的协同优化方法能够保障生产效率的同时，显著降低矿山采场生产碳排放，为“双碳”目标下的绿色、智能开采提供了可量化的技术路径与实践依据。

关键词(KeyWords)： 矿石块度;爆破参数;碳减排;多目标优化;正交实验

Abstract:

Keywords:

基金项目(Foundation): 湖北省自然科学基金项目(2026AFB126);; 湖北省技术创新专项重大项目(2022BEC040);; 国家自然科学基金面上项目(52174087)~~

作者(Author): 张聪瑞,白佳霖,王浩宇,陈诚,李吉民,邱浪,郑重,任高峰,赵亮

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