1、 NB、NBA、GN、GNL、N 型冷凝泵N 型冷凝泵概述： N 型冷凝泵泵系单级单吸悬臂式离心冷凝泵。GN、GNL 型泵，系两级单吸离心式冷凝泵，适用于电厂，用来抽送冷凝器中的凝结水和 7503000kw 汽轮发电机组抽送凝结水或物理、化学性质类似于水的其他液体之用。液体温度不超过 80 。泵进口压力不高于 0.6MPa。N 型冷凝泵参数范围：流量 Q 11120m3/s扬程 H 12143mN 型冷凝泵型号说明：100N45100泵进口口径（mm）N冷凝水泵B悬架式45泵的设计扬程 mGN L3A GN L3BG高吸程N冷凝水泵L立式3泵进口口径为 3 寸A、B两种不同叶轮外径NB、NBA
2、 、 GN、GNL、N 型冷凝泵外形安装尺寸图N 型冷凝泵结构型式：NB、NBA、GN、 N 型冷凝泵为卧式，GNL 为立式。采用滚动轴承，润滑脂润滑，轴封为填料密封，也可用机械密封。N 型冷凝泵旋转方向：从电机端看，泵为逆时针方向旋转N 型冷凝泵主要零件材质：N 型冷凝泵的体过流部件泵体、泵盖、密封环、轴套的材质为铸铁， N 型冷凝泵叶轮为硅黄铜，诱导轮为铝铁青铜。轴均为优质碳素钢。N 型冷凝泵成套范围：成套供应泵、电机、联轴器、止回阀、闸阀。配带电动机流量Q扬程H转速n轴功率Pa 功率效率必须汽蚀余量叶轮名义直径进出口径 泵重参数型号m3/sL/s m r/minkw kw 型号 % m
3、mm mm kg100NB-4514.424.031.04.006.678.6154504229804.816.056.37.54557600.610.810.88196100NB-45A1318223.615.006.1148464529003.84.34.75.54552570.610.710.81185100NB-6021.63650.46101469656129309.2611.7513.971518.54454600.70.81210100NB-60A21.63650.461013.941393729305.617.2113.9711435358.50.750.901.11753N6
4、H16.522304.86.18.368676429306.798.039.5111154550550.750.851.052223N616.522304.86.18.362615829306.657.408.80114449550.750.851.052153N6218263457.229.45131128123295015.2917.4319.98224252570.80.951.15首 215次 2223N62A1826345.007.229.45108105101295012.914.616.718.54151560.80.951.15首 215次 2054N6H304050658.3
5、311.113.916.778767265295013.315.316.920.222485458570.850.9511.152304N6304050608.3311.113.916.766646159295011.4613.1514.4517.2118.522475357.5560.850.9511.12154N6A3040508.3312.513.940383729306.677.58.85114955.558.50.911.11754N523045508.3312.513.9110105101293019.223.824.1304754570.951.11.2首 220次 210167
6、配带电动机流量Q扬程H转速n轴功率Pa功率效率必须汽蚀余量叶轮名义直径进出口径泵重参数型号m3/sL/s m r/minkw kw型号% m mm mm kg4N52A3045508.3312.513.91009591295017.421.521.7304754570.951.11.2首 215次 1954N62H3045508.3312.513.91351301232950232933.5374861600.951.151.25首 230次 2206N64065951151111826.43292918986295023.329.534.53845435467710.80.91.051.22
7、626N6A365480100101522.227.870696866295016.319.122.826.130435365690.80.911.12256N6B3660901081016.7253086858278295019.625.73033.337435467690.80.91.051.152453NBA-5152025304.175.566.948.333028252229802.292.602.853.105.5Y132S1-2YB53.458.759.858.07.308.309.3010.30160 8045 45GNL3-A569111.391.672.503.064442
8、393429801.711.782.032.003.0Y100L-2YB353847510.60.620.650.7140 8050 140GNL3-B121518203.334.175.005.564845413829803.083.543.874.065.5Y132S1-2YB51.052.052.051.00.650.700.721.05147 8050 140GN3/1257912151.391.942.503.334.17413936322529801.511.651.761.972.082.2Y90L-2YB37455053490.80.80.81.21.2134 8050 452
9、.5N32810122.222.783.3352.551.550.529803.053.423.755.5Y132S1-2YB37.541441.92.02.2148 6550 53168配带电动机参数型号流量Q扬程H转速n轴功率Pa功率 型号效率必须汽蚀余量叶轮名义直径进出口径泵重m3/sL/s m r/minkw kw % m mm mm kg4N622540503.9511.1013.90130125120298021.125.227.337 Y200L2-242546022.22.4220 100100 170100N1304252.57011.7014.6019.4014314113
10、52980364046.855 Y250M-24449551.31.52325 10050 166150N1108010011022.2027.8030.60122116112298048.352.75575 Y280S-25560611.351.41.5300 150100 188150NB-110457210012012.52027.833.3123120116110295034.341.347.251.455445767700.80.91.051.2302150NB-110A40659011.118.1251009895295025.931.535.8454255650.80.91.05
11、268GN3/12AGN7-2235791.391.942.546454329001.651.862.022.23846520.60.630.65首140次138GN7-2225791.391.942.566.5656229002.382.692.924.03846520.60.630.65首140次135GN3/12BGN9-2227912151.942.53.334.174543373029001.862.022.372.563465251480.630.650.81首140次138GN9-2237912151.392.53.334.1767.564.555.54529002.793.04
12、3.553.834(5.5)465251480.630.650.81首140次138GN15-2221215183.334.175474438290033.345.55153470.650.70.72首146次146GN15-2231215183.334.17570665729004.54.9567.55153470.650.70.72首146次146169流量Q扬程H转速n效率汽蚀余量配带功率外形规格尺寸泵电机总重量参数型号 m3/s mr/min % m kw简体外径机组总高 DTHt量台数容QC备注6LDTN-4 486LDTN-5 606LDTN-6 7226LDTN-7 846LDTN-8 96552.26LDTN-9 1086LDTN-10 1206LDTN-1118013275 1.610042646252.42100%(50MW)350%(200MW)7LDTN-3 410 63 78 1.5 160 5.57LDTN-4 350 100148075 1 225 6805696 6.22100%(100MW)350%“”栏值以吸入法兰中心的基准7LDTN-5 1257LDTN-6 1507LDTN-7 1757LDTN-7A 275 175 76 1.5250(200MW)
