卧式离心自吸泵

门两座核电站4万千瓦级核电机组造价已确定，西屋保守报价每千瓦美元，法玛通则高达3美元。以此计算，中国须付出4亿至亿元人民币代价。开标前，法玛通并没有放弃最后努力，甚至不惜做出更大让步。据一位接触过法玛通的内部人士透露，法玛通技术转让的底线是，一旦竞标成功，将在欧洲和中国成立联合工程设计小组，以承担所有的核电机组设计工作。在全部28名小组人员中，中国工程师可达9名，并将在欧洲接受培训。“但法玛通提供的技术仍有保留。”然而，价格方面，法玛通却不占优势。据悉，芬兰项目使用的技术转让造价约为每千瓦29美元。“而中国最终的谈判价格不会比芬兰项目低很多，如此高的造价必然形成较高的上电价。这将极大地削弱中国核电的未来竞争力。”这位人士评价说。与之相比，西屋做法处处讨巧。不仅在竞标价格上始终保持着每千瓦5美元的优势，而且还作出了%转让其自主开发的第三代核电技术（AP）的姿态。“中国核电集团有可能将最终价格压缩在每千瓦美元左右。”该人士透露。国产技术亟待参与竞争在国际第三代核电技术紧盯国内核电大单时，秦山核电站拥有自主知识产的CNP6技术也瞄准了国内核电站的巨大市场。董事长李永江告诉记者：“目前国内核电站建设进展缓慢，重要原因之一即是引进国外先进核电技术谈判的艰难与复杂。而CNP6是这种背景下最好的【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】产品：【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】产品概述：ZX型自吸离心泵(自吸清水泵)，（简称自吸泵）是公司生产的是根据国内外有关技术资料经吸收，消化，改进后研制而成的节能泵类产品，该泵属自吸式离心泵，它具有结构紧凑，操作方便，运行方便，维护容易，效率高，寿命长，并有较强的自吸能力等优点。管路中不需要安装底阀，工作前只需保证泵体内储有定量引流液即可，因此简化了管路系统，又改善了劳动条件。ZX型自吸离心泵(自吸清水泵)在工农业生产、抢险救助，如排涝、救火中作为应急泵使用效能更为突出。ZX型自吸泵广泛适用石油、化工、冶金、机械、化纤、食品、能源、交通等工业部门城市给水、亦可用于农业排灌、喷灌。供输送清水或粘度小于5°E，温度低于80℃物理及化学性质类似清水的其它液体。【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】型号意义：【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】产品用途：ZX型自吸泵是卧式自吸离心泵适用于城市环保、建筑、消防、化工、制药、染料印染、酿造、电力、电镀、造纸、石油、矿山、设备冷却、油轮卸油等。适用于清水、海不、水及带有酸、碱度的化工介质液体和带有一般糊装的浆料（介质粘度≤100厘珀、含固量可达30%以下）。装上摇臂式喷头，又可将水冲到空中后，散成细小雨滴进行喷雾，是农药、苗圃、果园、茶园的良好机具。可和任何型号、规格的压滤机配套使用，将浆料送给滤机进行压滤的最理想配套泵种。【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】结构图：序号123部件名称进口接管进口单向阀出水接管序号567部件名称叶轮机械密封轴承座4泵体8泵轴【ZX型自吸离心泵(自吸清水泵),自吸式污水泵】使用范围：流量：3.2～550m3/h扬程：12～80m电机功率：0.75～132kw口径：25～300mm吸程：5～6.5m【ZX型自吸离心泵(自吸清水泵)】性能参数：型号25ZX3.2-2025ZX3.2-3240ZX6.3-2040ZX10-4050ZX15-1250ZX18-2050ZX12.5-3250ZX20-3050ZX14-3550ZX10-4050ZX12.5-5050ZXZX15-6050ZX20-7.565ZX30-1565ZX25-3280ZX35-1380ZX43-1780ZX40-2280ZX50-2580ZX50-3280ZX60-5580ZX60-70100ZX100-20100ZX100-40100ZX100-65100ZX70-75150ZX170-55流量Q(m3/h)3.23.26.310151812.520141012.5152030253543405050606010010010070170(L/s)0.90.91.82.84.253.55.63.92.83.54.25.68.36.99.71211.113.913.916.716.727.827.827.819.447.2扬程(m)2032204012203230354050607.51532131722253255702040657555吸程(m)6.56.56.56.56.56.56.56.56.56.56.56.56.56.56666666666665转速(r/min)290029002900290029002900290029002900290029002900290029002900290029002900290029002900290029002900290029002900自吸性能(min/5m)1.91.81.91.52.41.91.51.51.51.51.41.31.321.53.41.81.91.51.51.51.21.81.81.81.81.8轴功率0.460.80.872.71.11.82.12.62.72.74.36.29.81.94.41.93.14.45.26.81520.17.816.327.724.339.2功率(Kw)电机功率1.11.51.541.52.234445.57.51135.5345.57.57.518.5221122303045150ZX170-65150ZX160-80200ZX400-32200ZX280-63200ZX350-65250ZX550-32250ZX400-50250ZX450-55250ZX400-75300ZX600-32300ZX500-50300ZX550-5517016040028035055040045040060050055047.244.4111.177.7.2152.8111.1125111.1166.7138.9152.86580326365325055753250555555555555552900290014501450145014501450145014501450145014501.31.221.51.52221.522246.353.652.173.997.272.380102.1125.679.2104.6117.655555590110759011013290110132【ZX型自吸离心泵(自吸清水泵)】故障原因及排除方法：故障现象原因分析1.泵壳内未加储液或储液不足2.吸入管路漏气ZX自吸泵不出水3.转速太低4.吸程太高或吸入管路过长5.机械密封泄漏量过大6.吸入管路气体不能从出口排出1.底脚不稳2.泵轴弯曲ZX自吸泵杂音和振动较大3.汽蚀现象4.轴承磨损严重5.进口管路内有杂物6.泵与电动机两者主轴不同心1.叶轮流道与吸入管被堵塞ZX自吸泵出水量不足2.叶轮或叶轮密封磨损严重3.功率不足或转速太低1.流量过大ZX自吸泵轴功率消耗过大2.转速太高3.泵轴弯曲或叶轮卡碰4.泵内流道堵塞或被卡住1.加足储液2.检查并排除漏气现象3.调整转速4.降低吸程或缩短吸入管路5.修复或更换6.使之排出1.加固2.更换或校正3.调整工况4.更换5.清除杂物6.调整同轴度1.排除堵塞物2.更换口环3.加足功率、调至额定转速1.升高出口压力2.适当降低3.更换或校正4.排队堵塞物排除方法型号口径mmm3/h1.1流量L/S0.30.420.55扬程m8.587效率%263434转速r/min电机功率KW必需汽蚀余量（NPSH）r15-80151.52.028000.182.31.820-110202.53.31.820-160202.53.32.825-1102545.22.825-1252545.22.525-125A253..62.825-1602545.22.625-160A253.74.9型号口径mmm3/h4.432-100(I)326.38.33.532-1253256.53.132-125A324.55.84.432-160(I)326.38.34.432-200(I)326.38.32.832-200A3245.2型号口径mmm3/h4.440-100406.38.33.940-100A405.67.440-125404.4流量流量0.50.690.910.50.690.910.781.111.440.781.111.440.691.01.280.781.111.440.121.031.36161513.5333230161513.520.62018171614.4333230292826扬程25343519252334424128363529000.752.329000.552.329000.752.328000.372.33529000.552.324323329001.52.33129001.12.3效率%485453404442转速r/min电机功率KW必需汽蚀余量（NPSH）rL/S1.221.752.320.970.391.80.861.251.611.221.752.321.221.752.320.781.111.44m13.212.511.322201817.61614.433.23230.250.5504844.442.7扬程29000.752.029000.752.34329000.552.3344042263335344042效率%48545329000.552.3转速r/min电机功率KW必需汽蚀余量（NPSH）r29002.22.0290042.029002.22.0L/S1.221.752.311.081.562.061.22m13.212.511.310.6109215229000.372.34129001.12.36.38.33.940-125A405.67.44.440-160406.38.34.140-160A405.97.83.840-160B405.57.24.440-200406.38.34.140-200A405.97.83.740-200B405.37.04.440-250406.38.34.140-250A405.97.83.840-250B405.57.0型号口径mmm3/h8.840-100(I)4012.516.3840-100(I)A401114.58.840-125(I)4012.516.3840-125(I)A401114.58.840-160(I)4012.516.340-160(I)A408.2流量1.752.311.081.562.061.221.752.311.141.2.171.061.532.01.221.752.311.141.2.171.031.471.941.221.752.311.141.2.171.061.531.94201817.61614.4333230292826.325.52422.5515048454442383634.582807472706561.56056扬程43404541354040343939343837263332263130290032.3290042.329001.12.329001.52.329002.22.329000.752.32929002.22.3242828242827232726效率%55626029001.12.3转速r/min电机功率KW必需汽蚀余量（NPSH）r290042.329005.52.329007.52.3L/S2.443.474.532.223.054.032.443.474.532.223.054.032.443.474.532.28m13.212.511.310.610921.22017.8171614333230296029000.752.349585729001.52.35729001.12.34552514429002.22.3290032.311.715.27.340-160(I)B4010.413.58.840-200(I)4012.516.38.340-200(I)A4011.715.37.540-200(I)B4010.613.88.840-250(I)4012.516.38.240-250(I)A4011.615.27.0-250(I)B4010.8147.140-250(I)C4010.013.1型号口径mmm3/h8.850-1005012.516.3850-100A501114.58.850-1255012.516.3850-125A501114.58.850-1605012.516.38.250-160A5011.715.27.350-160B5010.413.550-200508.8流量3.254.222.382.3.752.443.474.532.313.254.252.082.943.832.443.474.532.283.224.222.113.03.1.972.783.2826232220.551.2504845.0444237363481.28077.571.0706861.4605853.25250.4扬程51505029001.52.33846374545290042.329005.52.344290032.33138402900112.33829007.52.33729007.52.33629005.52.3效率%556260转速r/min电机功率KW必需汽蚀余量（NPSH）rL/S2.443.474.532.223.054.032.443.474.532.223.054.032.443.474.532.283.254.222.382.3.752.44m13.612.511.31110921.52017.8171614333230292826232220.55229001.12.36029000.752.349585729001.52.35729001.12.345525144515029002.22.3290032.35029001.52.33829005.52.312.516.38.350-200A5011.715.37.550-200B5010.613.88.850-2505012.516.38.250-250A5011.615.27.650-250B5010.8147.150-250C5010.013.1型号口径mmm3/h17.550-100(I)502532.515.650-100(I)A5022.32917.550-125(I)502532.515.650-125(I)A5022.32917.550-160(I)502532.516.450-160(I)A5023.430.415.050-160(I)B5021.62817.550-200(I)502532.516.450-200(I)A5023.530.550-200(I)B5015.2流量3.474.532.313.254.252.082.943.832.443.474.532.283.224.222.113.03.1.972.783.504845.84442373634828077.571.5706861.4605853.25250.4扬程46374545290042.344290032.32938402900112.33829007.52.33729007.52.33629005.52.3效率%676969656768606867586665546360546259转速r/min电机功率KW必需汽蚀余量（NPSH）rL/S4.866.949.034.36.198.14.866.949.034.336.198.14.686.949.034.566.58.444.176.07.784.866.949.034.566.538.474.22m13.712.510.511108.421.52018171613.634.43227.5302824262420.652.75045.546.444404029001.52.529001.12.5290032.529002.22.5290042.5290042.558290032.54958594857585529005.52.529007.52.529007.52.521.828.317.550-250(I)502532.516.450-250(I)A5023.430.51550-250(I)B5021.62817.550-315(I)502532.516.650-315(I)A5023.73115.750-315(I)B5022.529.214.450-315(I)C5020.626.8型号口径m3/h17.565-100652532.515.665-100A6522.32917.565-125652532.515.665-125A6522.32917.565-160652532.516.465-160A6523.430.415.065-160B6521.62817.565-200652532.565-200A6516.4流量6.067.8.866.949.034.566.58.474.176.07.784.866.949.034.616.588..366.258.04.05.727.443834.5828076.571.57067616057.412812512211511311010310198868583扬程效率%676969656768606867586665546360546259290042.5290042.529002.22.5290032.529001.12.529001.52.5转速r/min电机功率KW必需汽蚀余量（NPSH）r382900152.539290018.52.53950523950523849543040443040442900222.52900302.52900112.52900112.52900152.5L/S4.866.949.034.36.198.14.866.949.034.336.198.14.866.949.034.566.58.444.176.07.784.866.949.034.56m13.712.510.511108.421.52018171614.434.43227.5302824262420.652.75045.546.458290032.54958594829007.52.529007.52.523.530.515.265-200B6521.828.317.565-250652532.516.465-250A6523.430.51565-250B6521.62817.565-315652532.516.665-315A6523.73115.765-315B6522.529.214.465-315C6520.626.8型号口径mmm3/h3565-100(I)65506531.365-100(I)A6544.7583565-125(I)65506531.365-125(I)A6544.7583565-160(I)65506532.765-160(I)A6546.76130.365-160(I)B6543.356.365-200(I)6535流量6.538.474.226.067.8.866.949.034.566.58.474.176.07.784.866.949.034.616.588..366.258.04.05.727.444440403834.5828076.571.57067616057.412712512211511311010310198868583扬程57585529005.52.53950523950523849543240443240442900222.52900302.52900112.52900112.52900152.539290018.52.5382900152.5效率%6773706672696772.570667169637170627069转速r/min电机功率KW必需汽蚀余量（NPSH）rL/S9.7213.918.18.712.416.19.7213.918.18.712.516.19.7213.918.19.113.016.98.412.015.69.72m13.812.5101110822201717.51613.635322830.6282426242153.5290033.029002.23.029005.53.0290043.029007.53.029007.53.06929005.53.0552900153.0506532.865-200(I)A65476130.565-200(I)B6543.556.63565-250(I)65506532.565-250(I)A6546.7613065-250(I)B6543.3563565-315(I)65506532.565-315(I)A6546.560.53165-315(I)B6544.5582965-315(I)C654153.6型号口径mmm3/h3580-10080506531.380-100A8044.7583580-12580506531.380-125A8045583580-16080506532.780-160A8046.76180-160B8030.3流量13.918.19.113.116.98.512.115.79.7213.918.19.013.016.98.312.015.69.7213.918.19.012.916.88.612.416.18.111.414.95047444040.63833.4838072737063626054128125121112.6110106.4102.510098878583扬程67685466672900113.06529007.53.0525960525960290018.53.02900223.0582900153.04454574354572900303.02900373.0532900303.0512900223.0效率%6773706672696772.57066716963717062706969转速r/min电机功率KW必需汽蚀余量（NPSH）rL/S9.7213.918.18.712.516.19.7213.918.18.712.516.19.7213.918.19.113.016.98.4m13.812.5101110822201717.51613.635322830.6282426290033.029002.23.029005.53.0290043.029007.53.029007.53.029005.53.043.356.33580-20080506532.880-200A80476130.580-200B8043.556.63580-25080506532.580-250A8046.7613080-250B8043.3563580-31580506532.580-315A8046.560.53180-315B8044.5582980-315C804153.63580-3508050653180-350A8044.5582980-350B804153.6型号口径mmm3/h7080-100(I)8010013062.680-100(I)A8011680-125(I)8070流量12.015.69.7213.918.19.113.116.98.512.115.79.7213.918.19.013.016.98.312.015.69.7213.918.19.012.916.88.612.416.18.111.414.99.7213.918.18.612.416.18.111.414.9242153.55047444040.63833.483807273706362605412812512211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