Rotary hopper

The utility model discloses a rotary hopper, which relates to the technical field of constructional engineering concrete conveying and comprises a conveying pipe, a buffer pipe and a buffer component. A first bent pipe and a second bent pipe are arranged at the two ends of the buffer pipe respectively, the first bent pipe and the second bent pipe are parallel to each other and are arranged reversely, and the two ends of the first bent pipe and the second bent pipe are connected with the two ends of the conveying pipes respectively so that the different conveying pipes can be connected in a parallel and staggered mode; the buffering assembly comprises a first buffering part arranged on the inner wall of the first bent pipe and a second buffering part arranged on the inner wall of the second bent pipe, and the first buffering part and the second buffering part are used for buffering impact of concrete conveyed in the conveying pipe on the conveying pipe, the first bent pipe and the second bent pipe; the flow di