立式多级凝结水泵难点.doc

立式多级凝结水泵立式多级凝结泵概述： 立式多级凝结水泵是我公司引进日本日立制作所设计、制造技术发展起来的系列产品，适用大型火力发电厂的凝结水泵，包括有100、125（145）、200、300、600、1000MW汽轮发电机组用的各种规格。也可用作抽送物理、化学性质类似于清水的其它液体的高吸程用泵，液体的温度不超过80。立式多级凝结泵参数范围：流量Q 1702400m3/s扬程H 69346m立式多级凝结泵型号说明：B640（、）-5B初段双吸螺旋形（第二段为单吸）导叶式离心冷凝泵640泵导叶名义直径mm；I泵轴向密封采用机械密封；泵本体承受轴向推力；泵本体承受轴向推力、泵轴向密封采用机械密封；5泵的级数立式多级凝结泵结构型式：凝结水泵为立式外简形，有三种结构形式；（1） A型-初段双吸导叶式多级离心冷凝泵（2） B型-初段双吸螺旋形导叶式多级离心冷凝泵（3） C型-初段双吸螺旋形斜流式多级冷凝泵泵机组安装形式为直联安装，轴向力由电动机承受，也可由泵本体承受。泵轴向密封为填料密封，也可以采用机械密封。立式多级凝结泵旋转方向： 从电动机往泵看，泵逆时针方向旋转立式多级凝结泵主要零件材质：外简体：Q235A/不锈钢叶轮：不锈钢。密封环：ZG2Cr13。轴：45钢壳体：QT450-10立式多级凝结泵成套范围：成套供应泵，立式电动机。参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量泵口径泵重功率型号进口出口m3/hmr/minkwkw%mmmmmTA450-3A450-4A450-5A450-6A450-7A450-8180180180180180180971201611932262531480148014801480148014806681.7109.6131.4153.8172.275110132150185200YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-472727272727221.71.71.71.71.73503503503503503502002002002002002003.53.63.73.83.94A460-2A460-3A460-4A460-5A460-6A460-7A460-820020020020020020020069104138173207242276148014801480148014801480148052.978.7104.4130.9156.6183208.87590132160185220250YLST280-4YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4717272727272722.12.11.81.81.81.81.83503503503503503503502002002002002002002003.94.054.24.354.54.654.8A480-2A480-3A480-4A480-5A480-6A480-72302302302302302307411114818522326014801480148014801480148064.495.2127158.7191.3223.175112160185220250YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-47273737373732.22.21.91.91.91.93503503503503503502502502502502502504.264.444.624.804.985.16A490-2A490-3A490-4A490-5A490-6A490-72502502502502502507911915819823727714801480148014801480148074.7111147.4182.8221258.390132185220250300YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-47273737373732.42.42.12.12.12.14004004004004004002502502502502502504.755.35.65.96.2B440-3B440-4B440-5B440-6B440-7B440-8B440-9B440-10290290290290290290290290771041311581842112372641480148014801480148014801480148076102.7129.3156181.6208.3234260.690132150185220250280315YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST400-480808080808080801.51.51.51.51.51.51.51.54004004004004004004004002502502502502502502502505.956.26.456.76.957.27.557.8B480-3B480-4B480-5B480-6B480-7B480-836036036036036036091122153185216247148014801480148014801480111.5149.5187.5226.7264.7302.7132185220250300335YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST400-48080808080801.71.71.71.71.71.740040040040040040025025025025025025077.257.57.7588.25参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量泵口径泵重功率型号进口出口m3/hmr/minkwkw%mmmmmTA450-3A450-4A450-5A450-6A450-7A450-8180180180180180180971201611932262531480148014801480148014806681.7109.6131.4153.8172.275110132150185200YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-472727272727221.71.71.71.71.73503503503503503502002002002002002003.53.63.73.83.94A460-2A460-3A460-4A460-5A460-6A460-7A460-820020020020020020020069104138173207242276148014801480148014801480148052.978.7104.4130.9156.6183208.87590132160185220250YLST280-4YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4717272727272722.12.11.81.81.81.81.83503503503503503503502002002002002002002003.94.054.24.354.54.654.8A480-2A480-3A480-4A480-5A480-6A480-72302302302302302307411114818522326014801480148014801480148064.495.2127158.7191.3223.175112160185220250YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-47273737373732.22.21.91.91.91.93503503503503503502502502502502502504.264.444.624.804.985.16A490-2A490-3A490-4A490-5A490-6A490-72502502502502502507911915819823727714801480148014801480148074.7111147.4182.8221258.390132185220250300YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-47273737373732.42.42.12.12.12.14004004004004004002502502502502502504.755.35.65.96.2B440-3B440-4B440-5B440-6B440-7B440-8B440-9B440-10290290290290290290290290771041311581842112372641480148014801480148014801480148076102.7129.3156181.6208.3234260.690132150185220250280315YLST280-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST400-480808080808080801.51.51.51.51.51.51.51.54004004004004004004004002502502502502502502502505.956.26.456.76.957.27.557.8B480-3B480-4B480-5B480-6B480-7B480-836036036036036036091122153185216247148014801480148014801480111.5149.5187.5226.7264.7302.7132185220250300335YLST355-4YLST355-4YLST355-4YLST355-4YLST355-4YLST400-48080808080801.71.71.71.71.71.740040040040040040025025025025025025077.257.57.7588.25参数型号流量Q扬程H转速n轴功率Pa配带电动机效率必须汽蚀余量泵口径泵重功率型号进口出口m3/hmr/minkwkw%mmmmmTB520-2B520-3B520-4B520-5B520-6B520-7B520-8460450450450450450450691061421782142502861480148014801480148014801480106.7160.3214.8269.3323.8378.2434.2132220250300355425475YLST355-4YLST355-4YLST355-4YLST355-4YLST400-4YLST400-4YLST400-4808181818181811.91.91.91.91.91.91.95005005005005005005003003003003003003003008.18.58.99.39.710.110.5B550-2B550-3B550-4B550-5B550-6B550-756055055055055055080121162204246287148014801480148014801480150.6221295.9372.6449.3524.2185250335425500600YLST355-4YLST355-4YLST400-4YLST400-4YLST400-4YLST400-48182828282822.12.12.12.12.12.15505505505505505503003003003003003009.29.810.41111.4.12.1B600-2B600-3B600-4B600-5B600-67007007006906909314118923828614801480148014801480218.9327.8439.4545.4655.4250375500600750YLST355-4YLST400-4YLST400-4YLST400-4YLST500-481828282822.42.42.42.42.46006006006006004004004004004009.810.611.4.1212.4B640-2B640-3B640-4B640-58708608608601071632182741480148014801480308.2459.9615.1773.2355530710850YLST400-4YLST400-4YLST500-4YLST500-4828383832.72.72.72.7600600600600400400400400101112.113.2C590-2C590-3C590-4C590-5C590-697094093092092010615520325330114801480148014801480337.4472.4612.1755.1897.83755306708501000YLST400-4YLST400-4YLST400-4YLST500-4YLST500-483848484842.72.62.62.62.670070070070070045045045045045011.712.413.113.814.5C630-1C630-2C630-3C630-4C630-5C630-612801170113011301110111066121177231287342148014801480148014801480280.6464.5648.4846.31032.81230.731553071095012501400YLST400-4YLST400-4YLST500-4YLST500-4YL560-4YL560-48283848484843.532.92.92.92.975075075075075075045045045045045045012.613.414.21515.816.6C680-1C680-2C680-3C680-4C680-515801