1··安全技术及工程池火灾环境下石化管廊管道热响应规律数值模拟*周宁1，2恽曙斌1李雪1黄维秋1袁雄军1杨春海3赵会军1（1.常州大学石油工程学院，江苏常州213164；2.常州大学怀德学院，江苏靖江214500；3.常熟理工学院，江苏苏州215506）摘要以上海化工园区某段管廊为研究对象，采用FDS软件构建在池火灾环境下石化管廊管道模型，研究石化管道在池火灾下的受火过程及管道热响应规律。结果表明，火灾功率对池火灾影响最大；随着火灾功率的增大，池火上方管道达到最高温度时间缩短，温升速率增大，管道位置对于温度上升的影响逐渐减小，不同位置管道的温差呈现先增加后减小的趋势；当风速大于1m/s时，风速每增加0.5m/s，管道峰值温度降低20%；增大油池尺寸可有效增强火焰对油池位置偏移的抗性；并根据石化管廊管道池火灾下热响应规律，建立管廊管道温升公式。关键词石化管廊池火灾管道温升数值模拟FDSNumericalsimulationofthermalresponseofpetrochemicalpipegalleryunderpoolfireenvironmentZHOUNing1，2YUNShubin1LIXue1HUANGWeiqiu1YUANXiongjun1YANGChunhai3ZHAOHuijun1（1.CollegeofPetroleumEngineering，ChangzhouUniversity，ChangzhouJiangsu213164,China）AbstractInthispaper，takingasectionofthepipecorridorinShanghaiChemicalIndustryParkastheresearchob-ject，FDSsoftwareisusedtoconstructamodelofthepetrochemicalpipecorridorinthepoolfireenvironment，inordertostudythefireprocessandthermalresponselawofthepetrochemicalpipelineunderthepoolfire.Theresultsshowthatthefirepowerhasthegreatestimpactonthepoolfire；withtheincreaseofthefirepower，thetimeforthepipelinetoreachthemaximumtemperatureabovethepoolfireisshortened，thetemperatureriserateincreases，andtheinflu-enceofthepipepositiononthetemperaturerisegraduallydecreases，andthetemperaturedifferenceofthepipelineindifferentpositionsshowsatrendoffirstincreasingandthendecreasing；whenthewindspeedisgreaterthan1m/s，thepeaktemperatureofthepipelineisreducedby20%forevery0.5m/sincreaseinthewindspeed；increasingthesizeoftheoilpoolcaneffectivelyenhancetheresistanceoftheflametothepositionoffsetoftheoilpool.Accordingtotheheatresponselawunderthefireofthepipepoolofthepetrochemicalpipecorridor，thetemperatureriseformulao...
