Triethylene glycol cleaning furnace convenient to quickly cool

The utility model relates to the technical field of chemical equipment, in particular to a triethylene glycol cleaning furnace convenient to quickly cool, which comprises a cleaning furnace body, an annular water-cooled jacket is arranged on the outer wall of the cleaning furnace body, a cooling water inlet pipe and a cooling water outlet pipe are fixedly communicated on the water-cooled jacket, a first control valve is arranged on the cooling water inlet pipe, and a second control valve is arranged on the cooling water outlet pipe. A second control valve is arranged on the cooling water outlet pipe, a compressed air inlet pipeline is fixedly communicated with the water-cooled jacket, a third control valve is arranged on the compressed air inlet pipeline, a blow-down pipe is fixedly communicated with the cooling water outlet pipe corresponding to the position between the water-cooled jacket and the second control valve, and a fourth control valve is arranged on the blow-down pipe. The cooling device is reason