Dredging device of air disinfection machine in blood purification center

The utility model discloses a dredging device for an air sterilizer in a blood purification center, which comprises an air delivery pipe, a plurality of rubber washers are uniformly sleeved on the peripheral surface of the air delivery pipe, fixed connecting pieces are arranged on the outer sides of the rubber washers, and the rubber washers are placed in the fixed connecting pieces to be fixed. A fixed plate is arranged at the end, away from the rubber gasket, of the fixed connecting piece, the fixed plate is fixedly connected with the fixed connecting piece, threaded holes are formed in the four corners of the fixed plate, a telescopic pipe is arranged at the bottom of the peripheral surface of the left end of the gas conveying pipe, and the telescopic pipe is detachably connected with the gas conveying pipe; a collecting cavity is formed in the end, away from the gas conveying pipe, of the telescopic pipe, a medical sterilizer is arranged on the left side end face of the collecting cavity, and the collecti