Jet compression refrigeration system adopting phase change material to recycle waste heat of cement plant

The invention discloses a jet compression refrigeration system adopting phase change materials and recycling waste heat of a cement plant, and belongs to the technical field of refrigeration and energy conservation. The system comprises a flue gas collector, a heat storage tank, a generator, an ejector, a condenser, a gas-liquid separator, a cold storage tank, an evaporator, a compressor and a refrigerant pump, the system forms circulation loops including a heat storage circulation loop, a heat removal circulation loop, a chilled water circulation loop, a cooling water circulation loop, a domestic hot water loop, a compression refrigeration loop and a jet refrigeration loop. According to the system, high-temperature flue gas in a cement plant is collected through the flue gas collector and used for heating domestic hot water to meet the hot water requirement of a living quarter, low-temperature refrigerants flowing through the generator are heated to become high-temperature and high-pressure refrigerants to d