LIULi,YUXiao-qiang,DINGFeng,et al.Fire Protection Design Optimization of Underground Sewage Treatment Plant[J].China Water & Wastewater,2024,40(8):66-69.
全地下污水处理厂的消防设计优化
- Title:
- Fire Protection Design Optimization of Underground Sewage Treatment Plant
- 摘要:
- 青岛某全地下污水处理厂设计规模为30×104 m3/d，地下箱体面积约10.7×104 m2，采用一体化布置形式。防火分区按厂房进行划分，数量多，不利于污水厂的运营管理；出地面建筑物数量多，影响地面景观公园的打造。设计将地下一层水池操作平台划分为1个整体防火分区；地下一层设备用房及行车通道等人员巡视检修的重点区域按规范要求设置防火分区，并通过设置自动灭火系统扩大防火分区面积；地下二层不进行防火分区划分；地下二层管廊区参照城市综合管廊进行消防设计。通过火灾场景分析、火灾蔓延及烟气流动状态分析、人员疏散分析等评估优化设计方案，为后续全地下污水处理厂的消防设计提供参考。
- Abstract:
- The design scale of an underground sewage treatment plant with integrated layout in Qingdao is 30×104 m3/d, and the area of the underground box is about 10.7×104 m2. The large number fire compartments are divided according to the plant buildings, which is not conducive to the operation and management of the sewage treatment plant. In addition, there are many buildings on the ground, which affects the construction of the ground landscape park. The design divided the operation platform of the underground first floor water tank into an integral fire compartment. The fire compartments were set up in key areas for inspection and maintenance such as equipment rooms and driving passages on the first floor underground according to the requirements of the specifications, and the area of the fire compartments was expanded by setting an automatic fire extinguishing system. No fire compartment was divided in the underground second floor. The fire protection of the underground second floor pipe gallery area was designed according to the urban utility tunnel. The optimized design scheme was evaluated through the assessment such as fire scenario analysis, fire spread and smoke flow status analysis and personnel evacuation analysis, so as to provide reference for the subsequent fire protection design of underground sewage treatment plant.
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