During the operation of the auxiliary equipment of the hydropower plant, when the pressure in the pressure tank continues to drop to a certain value, an audible alarm and a low oil pressure accident signal are issued; when the pressure in the pressure tank rises to a certain value, an audible alarm is issued. Oil pressure is too high Fault signal.
Signal indication: control power indication, operation status of each oil pump and each solenoid valve is displayed by indicator light; fault signal of each oil pump motor overload and each solenoid valve issuing fault, pressure tank oil pressure abnormality and oil level abnormality, etc. Operation errors are displayed on the control cabinet by light words; the pressure tank oil pressure and oil level are displayed by the LED digital display.
The main objects of measurement and control are unit cooling water supply total electric butterfly valve, positive and negative water supply electric butterfly valve, main shaft sealing electromagnetic valve, total water supply pipe flow signal, cooling water pipe flow signal, cooling water pipe pressure signal, cooling water pipe temperature signal, The main shaft seals the water flow signal indicator and the main shaft seal water pipe pressure signal device.
The unit's cooling water supply total electric butterfly valve control: the unit cooling and water supply total electric butterfly valve random group start and stop automatically open and close; on the control cabinet through the manual operation button to achieve the unit cooling water supply total motion butterfly valve manual opening and closing operation. In normal conditions, it operates in the forward direction; when the forward valve group fails or the cooling water temperature is too high, the PLC automatically switches the valve group to the reverse operation mode and sends an alarm signal, and then automatically switches back to positive after a certain delay. To the operation mode, the length of the delay time can be modified by the setting; on the control cabinet, the water supply mode can be manually set to the forward or reverse operation by the manual operation switch.
Leisuwash specializing in manufacture Automatic Car Wash Machine, Touchless Car Wash , Automatic Touchless Car Wash, touchless car wash equipment, robot car wash, smart car wash system, leisuwash 360, leisuwash leibao 360, laserwash 360, leisuwash touchless car wash machine, leisu wash touchless car wash automatic, leisu wash 360 high pressure touchless car wash equipment, robo car wash, touch free car wash, leisuwash 360 touch free car wash, leisuwash 360 price, automatic car wash price, leisuwash in malaysia, no touch automatic car wash machine.
Leisuwash 360 touchless car wash machine high intelligent high quality, with car wash + car care + drying process totally, each car wash takes time 1 minute to 5 minutes which depends on the car wash mode.
Automatic vehicle wash system more and more popular in car wash business market, as can save employee fees and wash time mostly, bring investor much more benefit profit return. That's why choose the automatic car washing system.
Hangzhou Leisu Cleaning Equipment Co.,Ltd , https://www.sdlaserwash.com