Automatic detection device for specific gravity of acid liquor

The utility model discloses an acid liquor specific gravity automatic detection device which comprises a circulating pipeline, an evaporation kettle, a heat exchanger, a circulating pump and a specific gravity detection device, the specific gravity detection device comprises a detection tank body which is communicated with the circulating pipeline and can input acid liquor, an overflow tank body which can receive the acid liquor flowing out of the detection tank body, a specific gravity meter which is positioned in the detection tank body and a displacement sensor which is used for detecting the displacement of the specific gravity meter. Compared with the prior art, the specific gravity detection device is connected into the circulating pipeline, and the specific gravity detection device can detect the specific gravity of liquid in the circulating pipeline; manual intervention is not needed in the process, so that time and labor are saved; moreover, automatic detection can be achieved through the specific gr