Wenshuo Yuan
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Wenshuo Yuan has a total of 6 co-authors. Here are the top co-authors by number of shared publications:
- Bingchao Zhao
College of Energy and Mining Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
1 shared publication - Jin Ren
College of Energy and Mining Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
1 shared publication - Liang Ren
Shaanxi Yonglong Energy Development and Construction Co., Ltd., Baoji 721500, China
1 shared publication - Shenglin He
College of Energy and Mining Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
1 shared publication - Yufeng Guo
College of Energy and Mining Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
1 shared publication - Zhen Zhang
Henan Western Henan Geological Company, Luoyang 471000, China
1 shared publication
Latest Publications
- Open Access
- 5 June 2026
- Published by MDPI AG in Applied Sciences
- Vol. 16 (11) , 5714
Design and Safety Simulation of the Integrated Ventilation System for “Excavation–Backfilling–Retention” of Inter-Section Coal Pillar and Gate Roads
Traditional coal mining methods have led to prominent issues of coal resource waste and large-scale solid waste emissions. The integrated “excavation–backfilling–retention” mining technology for inter-section coal pillars and gate roads is one of the key technologies to solve these problems. However, the excavation and mining process associated with this technology imposes higher requirements on the ventilation system. Aiming at addressing the ventilation challenges existing during the implementation of the “excavation–backfilling–retention” method, research on ventilation safety assurance technology for inter-section coal pillars was carried out. Using COMSOL5.5 software, a full-stage ventilation system design model was constructed, adopting a ventilation mode that combines full-air-pressure ventilation with auxiliary local ventilation. The dynamic variation characteristics of the ventilation system under the “excavation–backfilling–retention” method and its capability to prevent and control the risks of O2 and CO gas accumulation and coal spontaneous combustion were studied. The results show that during the bypass excavation period, the air supply from the auxiliary fan is sufficient, and during the excavation period for the two gate roads, due to the increased ventilation distance, insufficient airflow occurs near the heading face, accompanied by temperature rise, O2 concentration decrease, and local CO accumulation, posing risks of coal spontaneous combustion and toxic gas accumulation. During the inter-section coal pillar excavation period and the cyclic operation period, after the full-air-pressure ventilation system is established, the airflow becomes stable, ventilation resistance decreases, and both temperature and gas concentrations are controlled within safe limits. However, in the corner areas, auxiliary local ventilation measures are still required due to insufficient O2 and CO accumulation. The study verifies the feasibility and safety of the integrated “excavation–backfilling–retention” ventilation system, providing a safe ventilation approach for the integrated mining method and supporting the green mining of coal mines and the synergistic development of coal-based solid waste resource utilization.
- 5 June 2026
- Published by MDPI AG in Applied Sciences
- Vol. 16 (11) , 5714
Open AccessDesign and Safety Simulation of the Integrated Ventilation System for “Excavation–Backfilling–Retention” of Inter-Section Coal Pillar and Gate Roads
Traditional coal mining methods have led to prominent issues of coal resource waste and large-scale solid waste emissions. The integrated “excavation–backfilling–retention” mining technology for inter-section coal pillars and gate roads is one of the key technologies to solve these problems. However, the excavation and mining process associated with this technology imposes higher requirements on the ventilation system. Aiming at addressing the ventilation challenges existing during the implementation of the “excavation–backfilling–retention” method, research on ventilation safety assurance technology for inter-section coal pillars was carried out. Using COMSOL5.5 software, a full-stage ventilation system design model was constructed, adopting a ventilation mode that combines full-air-pressure ventilation with auxiliary local ventilation. The dynamic variation characteristics of the ventilation system under the “excavation–backfilling–retention” method and its capability to prevent and control the risks of O2 and CO gas accumulation and coal spontaneous combustion were studied. The results show that during the bypass excavation period, the air supply from the auxiliary fan is sufficient, and during the excavation period for the two gate roads, due to the increased ventilation distance, insufficient airflow occurs near the heading face, accompanied by temperature rise, O2 concentration decrease, and local CO accumulation, posing risks of coal spontaneous combustion and toxic gas accumulation. During the inter-section coal pillar excavation period and the cyclic operation period, after the full-air-pressure ventilation system is established, the airflow becomes stable, ventilation resistance decreases, and both temperature and gas concentrations are controlled within safe limits. However, in the corner areas, auxiliary local ventilation measures are still required due to insufficient O2 and CO accumulation. The study verifies the feasibility and safety of the integrated “excavation–backfilling–retention” ventilation system, providing a safe ventilation approach for the integrated mining method and supporting the green mining of coal mines and the synergistic development of coal-based solid waste resource utilization.