NOVELTY - A mixing roller for treating excrement of livestock comprises a frame (1), a main motor (2), a speed reducer (3), a coupler (4), a feed hopper (5), a front bearing seat (6), a partition plate (7), a connection flange (8), a feed cylinder (9), a milling cylinder (10), a milling cylinder cover (11), an adjustment deflector rod (12), a feeder (13), a stirring baffle (14), a stirring rod (15), a screw rod (16), a discharge speed reducer (17), a top plate (18), a jacking sleeve (19), a valve plate (20), a guide way (21), a material receiving port (22), and a main shaft (23).    USE - The mixing roller is useful for treating excrement of livestock (claimed).    ADVANTAGE - The mixing roller effectively treats mixture without sticking and blocking, is easy to clean, and does not pollute the environment.    DETAILED DESCRIPTION - A mixing roller for treating excrement of livestock comprises a frame (1), a main motor (2), a speed reducer (3), a coupler (4), a feed hopper (5), a front bearing seat (6), a partition plate (7), a connection flange (8), a feed cylinder (9), a milling cylinder (10), a milling cylinder cover (11), an adjustment deflector rod (12), a feeder (13), a stirring baffle (14), a stirring rod (15), a screw rod (16), a discharge speed reducer (17), a top plate (18), a jacking sleeve (19), a valve plate (20), a guide way (21), a material receiving port (22), a main shaft (23), a back shaft bearing (24), a mixing roll shell (25), a discharge motor (26), and an impelling helical blade (27); where the mixing roll is mounted on the frame; the main motor is connected to the main shaft by the speed reducer, the coupler, and the main shaft; the main shaft and the mixing roll shell are assembled by the front bearing seat and the back bearing seat; the front portion of the mixing roll shell is provided with the feed hopper; the middle portion of the mixing roll shell is provided with a mixing cylinder cover; a certain amount of adjustment deflector rods are uniformly mounted on the mixing cylinder cover; the feeder is mounted at the back portion of the milling cylinder; the feeder comprises screw rod, discharge motor, discharge speed reducer, top plate, top sleeve, valve plate, guide way, and material receiving port; the discharge motor drives the screw rod to rotate by the discharge speed reducer; the screw rod drives the top sleeve to slide along the guide way up and down by the top plate; the feed hopper at the main shaft is provided with impelling helical blade; and the stirring baffle and the stirring rod are mounted on the periphery of the main shaft of the discharge section and the mixing cylinder cover according to a certain angle.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the mixing roller for treating excrement of livestock.    Frame (1)    Main motor (2)    Speed reducer (3)    Coupler (4)    Feed hopper (5)    Front bearing seat (6)    Partition plate (7)    Connection flange (8)    Feed cylinder (9)    Milling cylinder (10)    Milling cylinder cover (11)    Adjustment deflector rod (12)    Feeder (13)    Stirring baffle (14)    Stirring rod (15)    Screw rod (16)    Discharge speed reducer (17)    Top plate (18)    Jacking sleeve (19)    Valve plate (20)    Guide way (21)    Material receiving port (22)    Main shaft (23)    Back shaft bearing (24)    Mixing roll shell (25)    Discharge motor (26)    Impelling helical blade (27)