Heat supply-energy-saving equipment for printing and dyeing factory

A heating-energy-saving equipment for a printing and dyeing factory, comprising:

• a heat source generator, a first ejector, a second ejector, a flash drum and a setting machine that utilizes steam and comprises a steam input port and a waste steam discharge port;
• wherein a steam outlet of the heat source generator is connected to an injection port of the first ejector through a pipeline, an outlet of the first ejector is connected to an injection port of the second ejector, an outlet of the second ejector is connected to the steam input port of the setting machine, the waste steam discharge port of the setting machine is connected to an input port of the flash drum through a pipeline, a water outlet of the flash drum is provided with a first branch pipe connected to the injection port of the first ejector, the second ejector is provided with a first ejector port and a second ejector port, the water outlet of the flash drum is provided with a second branch pipe which is connected to the first ejector port of the second ejector, and a steam outlet of the flash drum is connected to the second ejector port of the second ejector.