Nuclear power station radioactive wastewater filtering equipment and control device thereof

The invention relates to the technical field of nuclear power station waste liquid treatment systems, and relates to nuclear power station radioactive wastewater filtering equipment and a control device thereof. An alternating current input side of a switch power supply in the control device is connected with a power supply circuit, a direct current output side of the switch power supply is connected with a normally-closed switch assembly, wherein the normally-closed switch assembly is connected with a normally-open switch assembly, the normally-open switch assembly is connected with a controlswitch assembly, and the control switch assembly is connected with a direct-current output side of the switch power supply; the power supply circuit is connected with an electric pump in the filtering equipment through the control switch assembly, the control switch assembly is electrified when the normally-closed switch assembly and the normally-open switch assembly are in a conducting state, and when the control switch