Automatic control equipment of coal water slurry impurity iron separator

The utility model discloses automatic control equipment of a coal water slurry impurity iron separator. The automatic control equipment comprises a main circuit, a valve circuit and a control circuit, wherein the main circuit is provided with a main circuit breaker, is connected with an oil pump motor through an oil pump circuit breaker and an oil pump contactor, passes through a separator circuit breaker and a separator contactor, and then is rectified by a rectifying device to obtain a voltage value to be added to two ends of a separator; the valve circuit is connected to the main circuit, is respectively connected with a plurality of valve contactors, and is finally connected with a valve; a power supply of the control circuit is connected to the main circuit, the control circuit is provided with a power supply change-over switch, a programmable logic controller, an operation panel and a communication circuit, and the power supply change-over switch is connected with the main circuit breaker and the progra