寒冷地区机场下穿通道干式消火栓系统设计探讨

Discussion on Design of Airport Underpass Dry Fire Hydrant System in Cold Area

针对寒冷地区机场下穿通道采用湿式电伴热消火栓系统能耗大、运行费用高等问题,结合现行规范、图集及工程实践,提出了干式消火栓系统的设计方案。以哈尔滨太平国际机场二期扩建项目下穿通道工程为例,对干式消火栓系统管道容积计算、启闭装置选择、系统控制方式、管网布置形式以及水锤防护等进行多角度分析并给出了计算方法及控制方式,同时将干式消火栓系统启闭装置与下穿通道内设置的火灾自动报警系统联动,通过远程控制节省系统中干湿转换的时间,为干式消火栓系统提供了更广泛的利用空间。

Application of wet electric heat tracing fire hydrant system in airport underpass in cold area has problems such as high energy consumption and high operating cost. According to the current standard, atlas and engineering practice, a design scheme of dry fire hydrant system was proposed. The pipe volume calculation, switching device selection, system control method, pipe network layout and water hammer protection of dry hydrant system in Harbin Taiping international airport phase Ⅱ project were analyzed from multiple perspectives, and the calculation method and control method were introduced. In addition, the switching device of dry fire hydrant system was linked with the automatic fire alarm system set in the underpass. Through remote control, the time of dry and wet conversion in the system is saved, and a wider space for the application of dry fire hydrant system is provided.