Medicament adding device

The utility model relates to the technical field of chemical dosing equipment, in particular to a chemical dosing device. All barreled sewage treatment agents can be added at a time, operation is convenient, safety and reliability are achieved, and the filling efficiency of the sewage treatment agents is improved; comprising an agent tank, an agent barrel holding and filling mechanism and two lifting mechanisms used for driving the agent barrel holding and filling mechanism to ascend and descend, the agent barrel holding and filling mechanism comprises a bottom frame, a holding frame rotationally installed on the bottom frame and a first driving cylinder used for driving the holding frame to rotate, and a semi-annular holding ring is arranged on the holding frame; the holding frame is provided with two symmetrically-arranged holding arms in a hinged mode, and a two-way driving cylinder is installed between the two holding arms. A liquid inlet hopper is mounted at the top of the medicament tank; the lifting me