1、c# p s c T b, K y s # h “ n 孙凤茹1,温 旭2,刘 峰2(1.华北电网有限公司培训中心,北京102401;2.河北华电石家庄热电有限公司,河北石家庄050041)K 1 :水环式真空泵在夏季往往因工作水温度高发生汽蚀,影响设备安全稳定运行。通过对真空泵工作原理的分析,确定了改造方案,解决了此问题。水环式真空泵由于其诸多优点,在新建大功率机组中得到广泛应用。1 o M :水环式真空泵;工作原理;汽蚀;工作水温 m s | :TK264.1+ 1 D S M :B cI | :1003-9171(2007)04-0040-02Reason Analysis and Re
2、medial Measuresof Steam Erosion in Water-ring Vacuum pumpSun Feng-ru1,Wen Xu2,Liu Feng2(1.North ChinaGrid Company Limited Training Center,Beijing 102401,China;2.HebeiHuadianShijiazhuang CogenerationPower Co.Ltd.,Shijiazhuang 050041,China)Abstract: Water-ring vacuum pump usually gets steam-erosion in
3、 summer due to high temperature ofworking-water,whichaffects itssafeandsteady operation.Thisarticle analyzes theworking principleof thewater-ring vacuum pumpand determines a reform plan which can resolve this problem.Water-ring vacuumpumps werewidely usedin many new-built grandunits becauseof its nu
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11、# ? 3 b I D1 o, R . 0 RTV p “ d . + / ,2003,26(1).2 .0 u 8 n . / ,2004,2.3 , . M ! ! 8 n . / ,2002,21.4 S . 1 S 0 ? # f . S ,1999,32(2).l :2007-02-07T e : A (1974- ), 3 ,C v 3 / ) b( 41: )m 2 / b, “ d m 44; v u 7 , H 1 l , M T , b, g T v 22, g T 30b 30 H 4.241kPa, L = b, g , b, ? 3 K b b, T , z , b,
12、 ? 3 T A b“ d / ,1 1 H b, , r T , b, C s , 1 b, , V 3 b 200MW F , / - b, , F K 175 MW, / F V r 200 MWb1 1 3 ,2 FV 9 F 50 MW? ? , 8 _ g ? , “ 1 6 i l b I D1 cy = . T b, J. ,2000,19(3):52-54.2 y , y , , . T b, “d F Y J. Z ,2005,18(1): 74-76.l :2007-02-08T e : (1966- ), o, ) = , 1 V Y T b45No.42007 / NORTH CHINA ELECTRIC POWER
