性能参数及外形尺寸.doc

  性能参数及外形尺寸型号口径流量扬程电机功率转速电压mmm3/hmKWr/minvWQK8-12QG328120.752900380WQK25-6QG802560.752900380WQK20-7QG502070.752900380WQK10-12QG4010121.12900380WQK8-22QG258221.12900380WQK20-15QG5080151.52900380WQK15-30QG4015302.22900380WQK20-20QG5020202.22900380WQK25-15QG6525152.22900380WQK40-7QG804072.21450380WQK30-30QG80303032900380WQK30-15QG80301532900380WQK25-30QG65253042900380WQK40-15QG80401541450380WQK85-10QG100851041450380WQK65-25QG8065257.52900380WQK20-60QG8020607.52900380WQK80-20QG8080207.51450380WQK100-15QG100100157.51450380WQK130-10QG150130107.51450380WQK100-25QG10010025111450380WQK115-15QG12511515151450380WQK180-15QG15018015151450380WQK100-40QG10010040151450380WQK80-32QG1008032151450380型号口径mm流量m3/h扬程m电机功率Kw转速r/min电压VWQX8-10408100.752900380WQX12-105012101.12900380WQX7-15327151.12900380WQX25-105025102.22900380WQX15-156515152.22900380WQX10-204010202.22900380WQX15-2530152532900380  常见故障分析及其排除方法 故障现象故障原因解决方法  电泵不运转 电源线未接好 按标准要求接妥电源 电源一相不通电 检查保险丝与电源，接通三相电源 叶轮与底盘卡死 调整底盘使用间隙在0.2～0.5mm之间使手可以轻松地拨动叶轮 电泵烧坏 重新修理电机 保护装置损坏 修理或更换  出水量小  扬程不够 叶轮与底盘间隙过大 将间隙调至正常范围(0.2～0.5mm) 叶轮已严重磨损 更换叶轮 电机转速达不到正常转速 更换电机转子或修理电压 电源电压过低 将电压调至额定电压 将大截面电缆,减小电源引线上的电压降(在电源引线过长的情况下 电泵反转 对换二根电源接头,使电泵正转   对杂质不能切割   切割效果不好 叶轮与底盘间隙过大 将间隙调至正常范围(0.2～0.5mm) 切割刀刃磨损变纯 更换叶轮与底盘   保护器知动断开   接通后又断开 保护器选用不当或已损坏 重新选用合适的保护器(保护器的额定电流一定与电泵额定电流相符 电源电机受潮或漏水使绝缘电阻过低(低于0.5MΩ) 拆下电机烘干,若机械密封或密封圈或电缆密封头损坏引出漏水还应更换损坏的密封零部件 电机定子线圈匝间短路 电机重新更换或修理 电机二相运行 检查电源或接头、修复 电源电压过低 将电压恢复到正常值 电泵被杂质卡住 清理杂质 水质粘度过大或含砂过度引起电泵过载运行 降低粘度或含砂量 轴承损坏 更换轴承。