| abstract |
The utility model discloses a water quality biotoxicity online monitoring device, which comprises a six-channel selector valve, wherein any four side channels in the six-channel selector valve are respectively connected with a straight bag type filter, a refrigerated bacterial liquid bin, a temperature balance reaction unit and a buffer liquid reagent bottle through Teflon sample tubes, and a common channel of the six-channel selector valve is connected with an injection pump; the temperature balance reaction unit is connected with the photoelectric detection unit; the photoelectric detection unit comprises a darkroom, a detection cell and a photomultiplier, wherein the detection cell and the photomultiplier are installed in the darkroom, and the photomultiplier is installed below the detection cell and is connected with a data processing system. The method has the advantages that the luminous bacteria detection method is combined with flow injection, so that the volume and the reagent dosage of the detection system are reduced, and the monitoring efficiency is improved. |