Solution preparation tank

The utility model provides a solution preparation tank, which relates to the technical field of preparation tanks and comprises a preparation tank, scales, a liquid outlet valve, a fixing plate, a first through groove, a baffle, a second through groove, a hollow pipe and side holes. The one-way valve comprises a discharge port, a liquid inlet port and an air inlet port, the discharge port of the one-way valve is in through sealing connection with the upper end of the hollow pipe, and the liquid inlet port of the one-way valve is connected with an external raw material pipeline; the air pump is arranged on the fixing plate, and a working port of the air pump is in through sealing connection with an air inlet port of the one-way valve; the preparation tank is arranged on the mounting frame and is rotationally connected with the mounting frame; the swing mechanism is arranged on one side of the mounting frame and controls the swing of the preparation tank, and a liquid raw material in the preparation tank has a