Energy storage device combining combined heat and power generation and compressed air

The utility model relates to an energy storage device combining combined heat and power generation and compressed air. The system comprises a compressed air energy storage system and a combined heat and power generation system, the compressed air energy storage system comprises a motor, a multi-stage air compressor, a plurality of air inlet heat exchangers, a compressed air storage tank, a multi-stage turbine, a plurality of exhaust heat exchangers and a generator, and the combined heat and power generation system comprises a high-pressure deaerator and a water pump; the air inlet pipe is connected with the first-stage air compressor, the air compressors are connected through the air inlet heat exchanger, the last-stage air compressor is connected with the compressed air storage tank through the air inlet heat exchanger, the compressed air storage tank is connected with the first-stage turbine through the exhaust heat exchanger, and the turbines are connected through the exhaust heat exchanger. The cooling wa