The invention discloses a concrete
powder storing device which is applied to the field of storing devices. The device includes a storing pot, an upper limit ring and a
lower limit ring are arranged onthe inner wall of the storing pot detachably, an upper limit groove is formed in the lower end of the upper limit ring, a
lower limit groove is formed in the upper end of the
lower limit ring, a
metal scraper is vertically arranged between the upper limit ring and the lower limit ring, the outer side face of the
metal scraper is attached to the inner wall of the storing pot, the upper end and thelower end of the
metal scraper are connected with an upper limit block and a lower limit block respectively, and the upper limit block and the lower limit block are inserted into the upper limit groove and the lower limit groove respectively. A ring-shaped support plate is vertically arranged on the outer wall of the storing pot, an electromagnetic iron bar is vertically arranged on the ring-shaped support plate, a discharging
pipe is connected with the bottom end storing pot, a braking hole is formed in the side wall of the discharging
pipe, a rotating shaft is arranged in the discharging
pipe, the rotating shaft is vertically arranged with the inner wall of the discharging pipe, a stirring
paddle is arranged on the rotating shaft, a braking motor is arranged on the outer wall of the discharging pipe, and an output shaft of the braking motor penetrates through the braking hole to be connected with the rotating shaft.