Concrete stirring device for civil building construction

The utility model relates to the technical field of concrete processing, in particular to a concrete mixing device for civil building construction, which comprises a barrel body, a bottom plate, a top cover and a support plate, the top of the barrel body is screwed with the top cover, the bottom of the barrel body is fixedly connected with the bottom plate, the bottom plate is fixed on the support plate through a fastening bolt, and the bottom of the support plate is fixedly provided with a support. A driving motor is arranged in the middle of the bottom of the bottom plate, the output end of the driving motor penetrates through the bottom plate to be connected with a stirring roller, a stirring mechanism is arranged on the outer wall of the stirring roller, and a cleaning brush is connected to the outer side of the stirring mechanism; the bottom plate is connected with a discharge port through an electromagnetic valve; a first feeding port and a second feeding port are formed in the top of the top cover, a f