Temperature-controllable sequencing batch reaction device

The utility model relates to a temperature-controllable sequencing batch reaction device which comprises a reactor body, a base and a constant temperature control unit, wherein the reactor body is arranged on the base; wherein an aeration unit is arranged at the bottom of the reactor body, a water bath layer is arranged on the peripheral surface of the reactor body, and a stirring device is arranged in the reactor body; the constant-temperature control unit is respectively connected with a water inlet and a water outlet of the water bath layer through connecting water pipes; the constant temperature control unit comprises a controller, a temperature sensor, a time control switch, a heater and a refrigerator; the constant-temperature control unit further comprises a circulating water control unit; the time control switch is connected with the stirring device and the controller respectively; the controller is in control connection with the heater and the refrigerator. The sequencing batch reactor is reasonable