主变压器水喷雾灭火系统设计中需注意的问题

(,512027):,,,:;;;;:TU991:C:1000-4602(2008)20-0046-02ProblemsNeedingAttentioninDesignofWaterSprayExtinguishingSystemforMainTransformerLIJie(ShaoguanQingnengDesignCo.Ltd.,Shaoguan512027,China)Abstract:Basedonengineeringexamples,theproblemsneedingattentioninthedesignofwatersprayextinguishingsystemformaintransformerarediscussed,includingthedeterminationofwatersource,lectotypeofmaintransformer,hydrauliccalculationandsoon,providingareferenceforensuringthesystemeconomyandefficiency.Keywords:watersprayextinguishingsystem;maintransformer;spraynozzle;watersource;waterflowrate:(GB500162006)8.5.4(DL502793)7.3.1220kV500kV(DL/T52182005)9.0.3,(GB5021995),20L/(minm2),6L/(minm2),0.4h220kV220kV#2220kV#1,,,1,,,,,,,,220kV,,,642420200810CHINAWATER&WASTEWATERVol.24No.20Oct.2008,3km,2,,:;;,,,,220kV#1,,,,(),,,[20L/(minm2)],11Tab.1Calculatedwaterflowrateandpressurevsestimatedvalues/m22301957060300254/(Lmin-1m-2)2030.169.1/(Lmin-1)4600585942054650206405/MPa4.03.54.03.51,15.2%,27.4%,14.3%,30%1;,,,,,,,,,1.41.63,,,,4,,:[1]GB502292006,[S].[2]DL502793,[S].[3]GB500162006,[S].[4]GB5021995,[S].E-mail:[e-mail]:2008-02-0174