Automatic collection tube replacement device of real-time aerosol monitoring device

The utility model relates to the technical field of air detection, in particular to an automatic collection tube replacement device of an aerosol real-time monitoring device, which comprises a sterilization box, a positioning conveyor, a positioning fixture block, an inactivation liquid adding device, a spiral mounting device and a sealing device, the sterilization box is arranged below the aerosol real-time monitoring device; the positioning conveyor is fixedly mounted in the sterilization box, and a collecting pipe limiting hole is formed in the positioning clamping block; the inactivation liquid adding device is fixedly mounted at the side part of the sterilization box, and the working end of the inactivation liquid adding device is vertically arranged downwards; the spiral mounting device is fixedly mounted at the side part of the sterilization box, and the output end of the spiral mounting device is vertically arranged upwards; the sealing device is fixedly mounted at the side part of the sterilization b