Flue gas sampling instrument of ship desulfurization system

The utility model discloses a ship desulfurization system flue gas sampling instrument which comprises a flue gas sampling probe, one end of the flue gas sampling probe is fixedly communicated with a heat tracing pipeline, one end of the heat tracing pipeline is fixedly communicated with the top of a flue gas treatment box body, and the bottom of the flue gas treatment box body is fixedly communicated with a flue gas pipeline. One end of the flue gas pipeline is fixedly communicated with the top of the flue gas analysis box body, one end of the flue gas analysis box body is fixedly connected with a mounting box, the bottom of the inner wall of the mounting box is fixedly provided with a storage battery, and one side of the inner wall of the mounting box is fixedly provided with a controller. The flue gas analysis unit in the flue gas sampling instrument has a good ventilation structure, so that the temperature in the flue gas analysis unit does not rise violently, the influence on the work of the flue gas sam