Anti-blocking device of horizontal tubular air preheater

The utility model relates to an anti-blocking device of a horizontal tubular air preheater. The anti-blocking device comprises an anti-blocking box body mounted at an air side inlet of the horizontaltubular air preheater, the anti-blocking box body comprises a first air inlet and a second air inlet. The first air inlet and the second air inlet are respectively provided with a first anti-blockingbaffle and a second anti-blocking baffle; the first anti-blocking baffle plate and the second anti-blocking baffle plate are respectively connected with a first anti-blocking driving motor and a second anti-blocking driving motor; the first anti-blocking baffle is used for closing or opening the first air inlet under the driving of the first anti-blocking driving motor, and the second anti-blocking baffle is used for closing or opening the second air inlet under the driving of the second anti-blocking driving motor. The anti-blocking and anti-corrosion device can achieve anti-blocking and anti-corrosion of the horizont