Coupled reactor waste heat removal system

The utility model discloses a coupled reactor waste heat leading-out system which comprises a main cooling loop, a main pump driving loop and a main pump driving loop, an emergency core cooling systemconfigured to operate simultaneously with the reactor and configured with an uninterruptible power supply; wherein a pipeline is connected between the main cooling loop and the emergency reactor corecooling system, and an emergency cooling pipeline check valve is arranged on the pipeline so as to be opened after a main pump of the main cooling loop stops supplying power. According to the utilitymodel, the pipeline is arranged between the main cooling loop and the emergency reactor core cooling system and is provided with the emergency cooling pipeline check valve, so that the emergency cooling pipeline check valve is opened after the main pump of the main cooling loop stops supplying power; new water flow circulation can still be achieved after the main cooling loop is powered off, andwaste heat in the reactor co