Glycerin distillation device

The utility model discloses a glycerol distillation device and belongs to the field of glycerol distillation. A glycerin distillation device comprises an upper tank body, a lower tank body and a rubber mat located between the upper tank body and the lower tank body, a plurality of installation blocks are fixed to the lower end of the upper tank body, installation grooves are formed in the installation blocks, two fixing plates are arranged, a center rod is fixed between the two fixing plates, a clamping block is rotationally connected to the center rod, and a torsional spring is arranged on the center rod in a sleeving mode. The two ends of the torsional spring are fixedly connected with the clamping block and the fixing plate correspondingly. A limiting block is arranged at the upper end of the clamping block, an upper arc groove is formed in the top face of the mounting groove, the limiting block can be tightly attached to the end of the upper arc groove, and the clamping block is exposed out of the mountin