Power station boiler flue gas mixed sampling analysis device

The utility model discloses a mixed sampling and analyzing device for flue gas of a power station boiler. Wherein the flue gas mixer comprises a flue gas mixing column with a closed bottom, a plurality of flue gas channels arranged in the flue gas mixing column and flue gas outlets formed in the periphery of the flue gas mixing column, the upper ends of the flue gas channels penetrate through theflue gas mixing column, and the lower ends of the flue gas channels are respectively communicated with the flue gas outlets; the number of the sampling guns is consistent with that of the flue gas channels, and the sampling guns are connected with the flue gas channels in a one-to-one correspondence manner through hoses; wherein the sucking pump, the flue gas preprocessor and the flue gas analyzerare sequentially connected through a pipeline, and the sucking pump is connected with the flue gas outlet through a pipeline. Compared with the prior art, the power station boiler flue gas mixed sampling analysis device has t