Circulating water quality monitoring device

The utility model discloses a circulating water quality monitoring device, which relates to the technical field of circulating water quality monitoring and comprises a monitoring water tank, a water inlet pipeline is fixedly connected to one side of the upper part of the monitoring water tank, a drainage pipeline is fixedly connected to the middle part of the lower part of the monitoring water tank, and a control valve is fixedly mounted on the drainage pipeline. A monitoring device is fixedly installed in the middle of the upper portion of the monitoring water tank, a probe is fixedly connected to the lower portion of the monitoring device, two fixing plates are fixedly connected to the probe, the two fixing plates are connected with the monitoring water tank in a clamped mode, the probe is arranged in the monitoring water tank, and a scraping plate is slidably connected to the probe. The push rod can push the scraping plate to slide downwards, and one side of the scraping plate removes impurities and scale