Ultralow CEMS flue gas continuous emission monitoring device

The utility model discloses an ultralow CEMS (continuous emission monitoring system) flue gas continuous emission monitoring device which comprises a whole device, a chimney is mounted on one side of the whole device, a probe is mounted on one side of the upper portion of the outer wall of the chimney, a heat tracing pipe is mounted on one side of the probe, a heat preservation box is mounted below the heat tracing pipe, an oil-water separator is mounted on one side of the outer portion of the heat preservation box, and the oil-water separator is mounted on the other side of the outer portion of the heat preservation box. A pressure switch is installed below the oil-water separator, a two-position three-way electromagnetic valve is installed below the pressure switch, a hygrograph is installed on the other side of the exterior of the heat preservation box, a zero setting electromagnetic valve is installed on one side of the hygrograph, and an air filter is installed below the zero setting electromagnetic valv