Vertical mortar mixer

The utility model relates to a vertical mortar mixer. The vertical mortar mixer comprises a mixing blade moving clockwise and a mixing drum moving counterclockwise, and the mixing blade and the mixing drum rotate oppositely, so that the vertical mortar mixer has the characteristics of uniform mixing, short mixing time, high efficiency, convenience in operation and the like. The vertical mortar mixer comprises a box body (3), wherein an impeller shaft (1) is arranged in the box body (3), an impeller (2) is arranged on the impeller shaft (1), a frame (6) is arranged at the bottom of the box body (3), a driving motor is arranged in the middle of the frame (6), a speed reduction gearbox is arranged on the driving motor and is connected with the impeller shaft (1), a water level detection device (4) is arranged on the side wall of the box body (3) and is connected with a water inlet pipe (5), and an inlet water switch is arranged at the head part of the water inlet pipe (5). The vertical mortar mixer disclosed by