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黄金科学技术 ›› 2022, Vol. 30 ›› Issue (1): 105-112.doi: 10.11872/j.issn.1005-2518.2022.01.046

• 采选技术与矿山管理 • 上一篇    下一篇

基于偏序集的硫化矿石自燃倾向性评价

韩梓晴(),李孜军(),徐圆圆   

  1. 中南大学资源与安全工程学院,湖南 长沙 410083
  • 收稿日期:2021-04-06 修回日期:2021-10-24 出版日期:2022-02-28 发布日期:2022-04-25
  • 通讯作者: 李孜军 E-mail:hzqq9897@163.com;zijunli@csu.edu.cn
  • 作者简介:韩梓晴(1997-),女,河北石家庄人,硕士研究生,从事矿井通风技术、安全科学理论研究工作。hzqq9897@163.com
  • 基金资助:
    国家重点研发计划项目“高海拔高寒地区矿井通风安全保障技术”(2018YFC0808404);中南大学研究生自主探索创新项目“含硫矿石自燃倾向性鉴定方法的规范化研究”(2020zzts698)

Evaluation of Spontaneous Combustion Tendency of Sulfide Ore Based on Partial Ordered Set

Ziqing HAN(),Zijun LI(),Yuanyuan XU   

  1. School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan,China
  • Received:2021-04-06 Revised:2021-10-24 Online:2022-02-28 Published:2022-04-25
  • Contact: Zijun LI E-mail:hzqq9897@163.com;zijunli@csu.edu.cn

摘要:

针对传统硫化矿石自燃倾向性评价方法中指标权重的赋值争议问题,基于蕴含权重的偏序集理论,建立硫化矿石自燃倾向性偏序集评价模型。首先,阐明评价指标集并收集待判样本数据;其次,借助信息熵理论获取评价指标的权重顺序信息,构造偏序矩阵;最后,得出Hasse矩阵并绘制Hasse图,分析图中呈现的层集信息,实现对硫化矿石自燃倾向性的评价。实例分析表明:该评价模型可以有效避免传统评价方法中指标的赋权争议问题,分级结果更加精细,评价结果准确合理,具有很好的稳健性,为优化硫化矿石自燃倾向性评价方法提供了新思路。

关键词: 硫化矿石, 自燃倾向性, 指标权重, 偏序集, Hasse图

Abstract:

Aiming at the controversial assignment of index weight in the evaluation method of spontaneous combustion tendency of traditional sulfide ores,a partial ordered set evaluation model for spontaneous combustion tendency of sulfide ores was established based on the partial ordered set theory of implied weight. Firstly,the low temperature oxidation weight gain rate,self-hot spot temperature and spontaneous ignition point temperature of sulfide ores were selected as the evaluation index set and the classification standard of spontaneous combustion tendency of sulfide ores was determined. Secondly,the data of the samples to be judged were collected,and the virtual samples were artificially constructed according to the grading standards. The weight order information of the evaluation indexes was obtained by using the information entropy theory,and the partial order matrix was constructed. Finally,Hasse matrix was obtained and Hasse graph was drawn,and the layer set information presented in the graph was analyzed to evaluate the spontaneous combustion tendency of sulfide ores. The example analysis results show that the evaluation model can effectively avoid the weighting dispute of the traditional evaluation method,the classification results are more precise,the evaluation results are accurate and reasonable,and has good robustness,which provide a new idea for optimizing the evaluation method of spontaneous combustion tendency of sulfide ores.

Key words: sulfide ore, spontaneous combustion tendency, index weight, partial ordered set, Hasse diagram

中图分类号: 

  • X936

表1

硫化矿石自燃倾向性分级鉴定标准"

100 d氧化增重率/%自热点/℃自燃点/℃自燃倾向性描述自燃倾向性等级
>2.0<100<220易自燃
1.0~2.0100~250220~350易自热不易自燃
<1.0>250>350不易自燃

图1

基于偏序集的硫化矿石自燃倾向性评价模型的处理流程"

表2

待判矿样的评价指标原始数据"

矿样编号评价指标
氧化增重率x1/%自热点x2/自燃点x3/
A110.8146239
A29.560296
A32.2230437
A41.2127453
A52.1270422
A614.7140270
A72.1122436
A80.9243301
A91.0297385
A109.356233
A11890200
A121.3240340
A130.9270360

表3

原始数据无量纲化处理"

矿样编号评价指标
氧化增重率自热点自燃点
A10.02360.37340.1542
A20.03570.01660.3794
A30.37060.72200.9368
A40.73370.29461.0000
A50.39130.88800.8775
A60.00000.34850.2767
A70.39130.27390.9328
A81.00000.77590.3992
A90.89351.00000.7312
A100.03790.00000.1304
A110.05460.14110.0000
A120.67230.76350.5534
A131.00000.88800.6324

表4

累加指标数据比较关系矩阵"

A1A2A3A4A5A6A7A8A9A10A11A12A13
A11000000000000
A20100000000000
A31110010001100
A41111011001110
A51100110001100
A60000010000000
A71100011001100
A81110111101110
A91110111011100
A100000000001000
A110000000000100
A121100010001110
A131111111111111

表5

Hasse矩阵"

A1A2A3A4A5A6A7A8A9A10A11A12A13
A10000000000000
A20000000000000
A31100010001100
A40010001000010
A51100010001100
A60000000000000
A71100010001100
A80010101000010
A90010101000000
A100000000000000
A110000000000000
A121100010001100
A130001000110000

图2

待判矿样的自燃倾向性Hasse图"

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