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Gold Science and Technology >

2020 , Vol. 28 >Issue 3: 457 - 464

DOI: https://doi.org/10.11872/j.issn.1005-2518.2020.03.183

Mining Technology and Mine Management

Analysis of Factors Influencing the Performance of High Altitude Mine Fan Based on Entropy Weight Fuzzy Method

  • Pinfang SONG ,
  • Zijun LI ,
  • Rongrong LI ,
  • Shuqi ZHAO ,
  • Yu XU
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  • School of Resources and Safety Engineering，Central South University，Changsha 410083，Hunan，China

Received date: 2019-11-15

  Revised date: 2020-05-19

  Online published: 2020-07-01

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Highlights

Mine fan is an indispensable mechanical equipment in mine production，but its performance index in actual operation in the high altitude areas is far lower than the performance standard when it leaves the factory，that is，the problem of fan efficiency reduction occurs.Therefore，selecting a scientific and reasonable method to evaluate the factors affecting the performance of mine fans at high altitude is not only the basis for the selection of mine fans in the high altitude areas，but also the key factor to realize the performance optimization of mine fans in the high altitude areas.In view of the complexity，ambiguity and uncertainty of the factors influencing the performance of mine fans in the high altitude areas，the high-altitude mine fans performance evaluation index system consisting of 4 first-level indexes and 21 second-level indexes was established.On the basis of this evaluation index system of the performance of mine fans in the high-altitude areas，the paper gave each evaluation index weight by using the information entropy theory，thus，the fuzzy comprehensive evaluation model based on entropy weight method was set up.Through the use of the model，the effective evaluation and ranking of the factors influencing the performance of mine fans in the high-altitude areas was accomplished.Taking a mine in Diqing，Yunnan Province as an example for empirical，the analysis results show that the first-level indexes are ranked from the largest to the smallest according to their weight，that is fan structure，environmental conditions，management factors，other factors.Among the second-level indexes，six indexes have a great influence on fan performance.They are air density，the number of blades，blade installation angle，blade thickness，professional training and fan installation form.Moreover，four indexes have a small influence on the performance of the mine fan.They are air temperature，the number of guide blades，supervision of mine fans and selection of fan installation location.In addition，the results in this paper verify the reliability of the fuzzy comprehensive evaluation method on the basis of entropy weight in solving the problem of evaluating the factors influencing the performance of mine fans in the high-altitude areas is verified.These results also provide more solutions for the analysis of the factors influencing the performance of high-altitude mine fans.The results can provide a scientific theoretical basis for the reasonable selection and optimization design of mine fans in the high altitude areas.

Cite this article

Pinfang SONG , Zijun LI , Rongrong LI , Shuqi ZHAO , Yu XU . Analysis of Factors Influencing the Performance of High Altitude Mine Fan Based on Entropy Weight Fuzzy Method[J]. Gold Science and Technology, 2020 , 28(3) : 457 -464 . DOI: 10.11872/j.issn.1005-2518.2020.03.183

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http://www.goldsci.ac.cn/article/2020/1005-2518/1005-2518-2020-28-3-457.shtml

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