Renewable concrete auxiliary material adding mechanism

The utility model relates to the technical field of concrete processing, in particular to a renewable concrete auxiliary material adding mechanism which comprises a processing tank, a dustproof cover, a notch, a material adding mechanism body, a supporting plate, a suction fan, a dust collection box, a dust suction pipe, a connecting pipe and a filtering piece, the dustproof cover is fixedly installed at the top of the processing tank, and the notch is formed in one side of the dustproof cover; the feeding mechanism is arranged on one side of the processing tank and connected with the processing tank in a matched mode, and the supporting plate is fixedly connected to the inner side of the feeding mechanism. According to the renewable concrete auxiliary material adding structure, the problems that in the auxiliary material adding process of an existing renewable concrete auxiliary material adding structure, concrete powder is raised, so that the concrete powder drifts in the air to cause flying dust, fine part