SJB系列耐磨耐腐砂浆泵一：简介及特点　　 SJB系列耐磨耐腐砂浆泵是我公司引进、消化、吸收德国先进的技术，结合国内生产实际需要研制而成的单级单吸离心泵。　　 该泵的所有过流部件采用机械强度高、耐磨、耐腐性能好的非金属材料，经过高温、高压一次模压成型。外壳采用抗压、抗冲击的优质A3钢经熔模铸造而成。机械密封全部选用耐磨、耐腐性能最好的无压烧结碳化硅精制而成，机械密封结构设计独特，结构合理，使用寿命长。该泵广泛适用于温度低于120度，含有硬(软)质固体颗粒的酸、碱、盐(包括氢氟酸)等介质的输送，特别适用于含氧化铁皮液、泥浆液、煤渣液，石灰渣液等特殊介质的使用。二、型号意义三、SJB系列耐磨耐腐砂浆泵结构图1、泵体卡环2、泵体外壳3、泵体4、叶轮5、泵盖6、静环座7、弹簧座8、密封端盖9、轴承前盖10、轴承11、托架12、黄油嘴13、轴承后盖14、机械密封动环15、机械密封静环16、弹簧17、骨架油封18、止退螺母19、轴20、骨架油封四、SJB系列耐磨耐腐砂浆泵性能参数泵型号泵额定转速n=2900r/min泵额定转速n=1450r/min流量扬程效率必须气配用功流量扬程效率必须气配用功m3/hm%蚀余量m率KWm3/hm%蚀余量m率KWSJB40-32-1256.320523.833.25463.50.75SJB40-32-1606.332473.843.28423.51.1SJB40-32-2006.350383.87.53.212.5383.51.5SJB40-32-2506.380323.8113.220353.52.2SJB50-32-12512.520513.846.35453.50.75SJB50-32-16012.532463.85.56.38403.51.1SJB50-32-20012.550393.8116.312.5333.51.5SJB50-32-25012.580333.8156.320273.52.2SJB65-50-1252520623.85.512.55553.50.75SJB65-50-1602532573.87.512.58513.51.5SJB65-40-2002550523.81512.512.5463.52.2SJB65-40-2502580463.818.512.520393.54SJB65-40-31525125393.83712.532333.57.5SJB80-65-12550206947.5255643.81.5SJB80-65-160503267411258623.82.2SJB80-50-200505063418.52512.5573.83SJB80-50-2505080574372520533.85.5SJB80-50-31550125484552532433.811SJB100-80-12510020774.5155057342.2SJB100-80-16010032734.518.55087244SJB100-65-20010050724.5375012.56845.5SJB100-65-25010080684.55550206547.5SJB100-65-315503258415SJB125-100-20020050774.85510012.5724.511SJB125-100-25020080754.89010020724.515SJB125-100-31510032684.522SJB125-100-40010050604.537SJB150-125-25020020774.822SJB150-100-31520032754.837SJB150-100-40020050704.855SJB200-150-2504002081545SJB200-150-3154003279575SJB200-150-40040050785110