Cooling water waste heat recycling device

The utility model relates to the field of waste heat utilization of chemical fiber production equipment, in particular to a cooling water waste heat recycling device, which is characterized in that a cooling water inlet header pipe conveys cooling water to equipment to be cooled through a pipeline, and then the cooling water flows back to a cooling water return header pipe through the pipeline; the cooling water inlet header pipe is also connected to the surface air cooler, the surface air cooler is arranged at an air inlet of the air conditioning unit heater, the esterification steam pipe is connected with the plate heat exchanger, a hot water inlet pipe and a hot water return pipe on the plate heat exchanger are both connected with the air conditioning unit heater, and the esterification steam pipe is connected with the generator set through a branch pipe. According to the cooling water waste heat recycling device, waste heat of cold air entering the heater of the air conditioning unit is recycled through w