摘要
分析了地铁通风系统中站台区域和隧道区域的网络简化方法,构建了地铁通风网络模拟数学模型。以某市地铁1号线为例,模拟分析了站台火灾和隧道火灾2种情形下多种控风方案的效果。站台火灾方案模拟结果表明站台发生火灾后,对火源相邻隧道内风机采取控风措施、相邻另一站台内风机不采取措施的效果可以达到规范规定的要求,烟气控制效果良好。隧道发生火灾后,在临近火源的站台和区间分别采取送风和排风方式进行风流控制可以有效地阻止烟气蔓延,并达到规范规定的风速要求。
The author analyzes the subway ventilation system in the area and the tunnel area network platform to simplify method, construct the subway ventilation network simulation mathematical model An metro line 1 as an example, simulation analysis of the platform fire and tunnel fires in both cases the effect of the variety of wind control plan. Platform solution platform simulation results show that after the fire, fire fan wind control measures within the adjacent tunnel fire, adjacent to another platform inside fan measures are not taken effect can reach the requirements of the specification, smoke control effect is good. Tunnel fire, near the platform of the fire source and interval respectively adopt the mode of air supply and exhaust wind flow control can effectively prevent the spread of flue gas, and wind speed requirements stipulated in specification.
出处
《煤炭技术》
CAS
北大核心
2013年第9期193-195,共3页
Coal Technology
关键词
地铁火灾
烟气控制
有效性
网络模拟
subway fire
somoke control
effectiveness
network simulation
