System for supplying multiple energy sources by using waste heat of bearing factory

The utility model discloses a system for supplying various energy sources by utilizing waste heat of a bearing factory, which comprises a bearing heat treatment device, a flue gas waste heat utilization pipeline, a medium-temperature flue gas heat exchanger, a flue gas bypass pipeline, a low-temperature flue gas heat exchanger, a flue gas discharge pipeline, a cold water pipeline, a water treatment device, a hot water tank, an air-conditioning hot water pipeline and a hot water tank truck, a flue gas outlet of the bearing heat treatment device is connected with a flue gas side inlet of the medium-temperature flue gas heat exchanger through a flue gas waste heat utilization pipeline, a flue gas side outlet of the medium-temperature flue gas heat exchanger is connected with a flue gas side inlet of the low-temperature flue gas heat exchanger, and an outlet of the water treatment device is connected with a water side inlet of the low-temperature flue gas heat exchanger. A water side outlet of the low-temperature