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Ventilation Efficiency Evaluation of Domestic Limestone Mine Using Tracer Gas Method

추적가스법을 적용한 국내 석회석 광산의 환기성능 평가 연구

  • Received : 2016.07.13
  • Accepted : 2016.08.01
  • Published : 2016.08.31

Abstract

Natural ventilation is employed in limestone mines that have been currently operated in Korea, and there has been a growing issue of a significantly weak airflow caused by the large-scale excavation. Thus, the air quality in the working area is considerably poor. In order to improve this circumstance, it is mainly required to examine ventilation performance. In this study, the examination of ventilation efficiency was conducted by using tracer gas method. The result of this work indicated detailedly the ventilation problems in research mine, in that extremely low air velocity, recirculation, and air change rate were evaluated quantitatively using tracer gas. Therefore the ventilation performance evaluation using tracer gas can be opted as a precise method to improve the working area in mines.

Keywords

Limestone mine;Tracer gas method;Low air velocity;Recirculation;Air change rate

Acknowledgement

Supported by : 인하대학교

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