Updated analysis of the complex ventilation network of the Lupeni Mine

¹ National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32-34 G-ral Vasile Milea Street, Petroșani, Hunedoara, Romania ;
² GIS MAPPING TOPO SRL, 27A Alexandru Ioan Cuza Street, Vișeu de Sus, Maramureș, Romania ;
³ University of Petrosani, 20 University Street, Petroșani, Hunedoara, Romania

^* Corresponding author: florin.radoi@insemex.ro

Abstract

The ventilation system is a key component in ensuring safe working conditions in underground mining operations, especially in coal mines such as the Lupeni Mine. This paper presents an updated analysis of the mine's ventilation network, with the primary objective of identifying existing inefficiencies and proposing technical solutions to optimize airflow throughout the underground workings. Based on topographic data, in-situ measurements, and simulations performed using specialized software, the study evaluates the main ventilation routes, pressure losses, air volume distribution across different areas, and the performance of the ventilation equipment in use. The results highlight the presence of poorly ventilated sectors, particularly in active work zones and areas prone to gas accumulation. Following the analysis, several improvements are proposed, including the reconfiguration of ventilation paths, modernization of ventilation fans, and implementation of an automated monitoring system for underground atmospheric parameters. This study contributes to enhancing worker safety, improving energy efficiency, and aligning the ventilation infrastructure with current technical and regulatory standards in the mining industry.