Seal adjustable slurry pump

The utility model discloses a sealing adjustable slurry pump which doesn't need shut-down and detach to adjust the sealing compression quantity comprising a pump body (1), the pump body (1) inside is provided with an impeller (3) with assistant leaflets connected with a pump shaft (2) key, the front impeller (3) is provided with an impeller screw cap fixedly connected with the end of the pump shaft (2), a pump cover (5) connected with the pump body (1) is connected with a floating charging end cap (6), the pump shaft (2) is externally connected with a shaft sleeve (7) which is connected with an inner sleeve (8) fixed on the bore surface of the pump cover (5) by mechanical seal, the mechanical seal is provided with a moving ring (9) arranged at the front of the shaft sleeve (7) and directly connected with the pump shaft (2), a stationary ring (10) is arranged on the external surface of the shaft sleeve (7) connected with the moving ring (9), the stationary ring (10) is connected with a stationary ring seat (13) by a throw-out collar (11) and a butterfly spring (12), the stationary ring (10) is provided with a sealing ring (14) connected with the inner sleeve (8), the back side face of the stationary ring seat (13) is connected with a cuneate adjusting shim (15) which is connected with a catch bar (16) arranged in the floating charging end cap (6).