我矿皮带斜井井筒清水泵硐室距地面垂高38米,平均每小时涌水量100.2米~3。硐室共有两台清水泵,担负着全矿工业和生活用水任务。我们研制了水泵自动控制系统,一台水泵出故障后,能够自动启动另一台备用水泵,并同时向矿生产调度室发出事故信号,以便及时维修。自使用以来,运行情况良好。仅工资一项,每年可节约5000元。 1.系统工作原理 两台水泵电气自动控制系统如图1所示。水泵电动机一台75kw,另一台55kw。稳压电源由防爆开关QC 83—225供给36伏交流电,经变换后,输出21伏直流电压,供给水位自动控制电路使用。稳压电源的1号 Mine mine inclined shaft well water pump chamber hanging from the ground 38 meters high, an average of 100.2 meters per hour water inflow 3. Chamber total of two water pumps, responsible for the entire mining industry and domestic water tasks. We developed a pump automatic control system, a pump fails, it can automatically start another spare pump, and at the same time to the mine production dispatch room to send an accident signal for timely maintenance. It has been operating well since its use. Only a wage, saving 5,000 yuan each year. 1. System works Two pumps electrical automatic control system shown in Figure 1. A pump motor 75kw, another 55kw. Regulated power supply from the explosion-proof switch QC 83-225 to 36 V AC, after conversion, the output voltage of 21 volts DC, water supply to the automatic control circuit. The No. 1 power supply