Thermal coupling energy-saving device for producing propylene carbonate

The utility model belongs to the technical field of propylene carbonate production equipment, and particularly discloses a thermal coupling energy-saving device for propylene carbonate production, which comprises a shell, a connecting channel is arranged in the middle of the shell, cover bodies are arranged at two ends of the shell, fixing devices are arranged on the cover bodies, a liquid inlet and a liquid outlet are arranged on the side surface of the shell, and the liquid inlet and the liquid outlet are communicated with the connecting channel. The multi-section type heat transfer device comprises a shell, a heat exchange pipe is arranged in the shell, a heat conduction material is filled between the heat exchange pipe and the shell, and a heat insulation pad is arranged on the outer wall of the shell. Energy loss in the thermal coupling process can be reduced through the arranged pipeline with the heat preservation layer, the device can be effectively fixed to various pipelines with different diameters t