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对核电厂的防火分区进行了详细介绍,并与民用建筑的防火分区进行了对比。对核电厂各厂房通风系统的防火设计进行了详细分析,介绍了被动防火和主动防火2种措施的应用,并对防排烟和加压送风系统的设计进行了详细说明。最后通过分析防火设计满足辐射分区和单一故障准则的要求,说明了核电厂通风系统的防火设计满足核安全的要求。
The fire protection district of nuclear power plant was introduced in detail and compared with the fire protection district of civil construction. The fire protection design of the ventilation system of each plant in NPP is analyzed in detail. The application of passive fire prevention and active fire prevention are introduced. The design of smoke exhaust and pressurized air supply system is described in detail. Finally, by analyzing the requirements of fire protection design to meet the requirements of radiation zoning and single failure criterion, the fire safety design of the ventilation system of nuclear power plant is described to meet the requirements of nuclear safety.