Storage device for composite carbon source

The utility model relates to the technical field of composite carbon source storage equipment, in particular to a storage device for a composite carbon source. An upper cover plate is arranged at the top of a liquid storage tank, a support is arranged at the top of the upper cover plate, a motor box is slidably arranged in the support, an air cylinder is arranged at the top of the support, and the telescopic end of the air cylinder penetrates through the support to be connected with the motor box; a motor is arranged in the motor box, and the output end of the motor is connected with a stirring shaft extending into the liquid storage tank; a stirring assembly is fixedly arranged on the stirring shaft, a plurality of side battens are annularly distributed on the inner side wall of the liquid storage tank, and a mixing assembly is arranged at the bottom of the liquid storage tank. According to the utility model, a composite carbon source solution stored in the tank body container can be stirred, so that a preci