Calendering roll and calendering roll temperature control method

The invention discloses a calender roll and a calender roll temperature control method, and the calender roll comprises a press roll structure, a valve, a temperature measurement assembly and a controller. The compression roller structure comprises two roller bodies, a rolling channel is formed between the two roller bodies, a containing cavity is formed in each roller body, the two ends of each roller body are provided with a water inlet pipe and at least two water outlet pipes respectively, the water inlet pipes and the water outlet pipes are communicated with the containing cavities, and the at least two water outlet pipes are arranged at intervals. Each valve is connected to the corresponding water outlet pipe and used for controlling the water outlet amount of the water outlet pipe. Each temperature measuring assembly is connected to the corresponding water outlet pipe and used for detecting the water temperature in the corresponding water outlet pipe. The controller is electrically connected to the valv