Natural ventilation and smoke exhaust system for rail transit shallow-buried underground station public area

• Main Authors: SUN CHAO, FENG SHIJIE, LIU YUE, WANG LINUAN, GUO WEI, WANG YU, CHI DONG, SUO XIAOMING, NA YANLING, WANG HAITAO
• Format: Patent
• Language: Chinese; English
• Published: 31.03.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model discloses a natural ventilation and smoke exhaust system for a public area of a rail transit shallow-buried underground station, which comprises an equipment management area and a public area on the underground first floor of the underground station. A plurality of ventilation and smoke discharge vertical shafts are arranged at the top of the public area; the ventilation and smoke discharge vertical shaft penetrates through the underground station earthing layer along the top of the public area and is communicated with the outdoor atmosphere, and a ventilation and smoke discharge port is formed in the communication position of the ventilation and smoke discharge vertical shaft and the outdoor atmosphere. The method has the beneficial effects that natural ventilation in the transition ventilation season of the underground first-floor public area of the station and natural smoke exhaust under the fire working condition are achieved through working condition switching ofthe ventilation smoke ex