Multi-grade heat storage and supply device

• Main Authors: SUN YIFAN, SHEN CHAO, WANG LIN, LU YONG, XU WENBIN, MI XIAOBO, XU ZIYUN, LIN LIKAI, SHI LIXIN, LIU WEILIANG, YAN HUAIZHE, WU YUDE, ZHOU MIN, YAN WEI, JIANG YAOXIAN, FENG ZHENYUAN
• Format: Patent
• Language: Chinese; English
• Published: 09.06.2023
• Subjects: BLASTING; DOMESTIC HOT-WATER SUPPLY SYSTEMS; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS; ELEMENTS OR COMPONENTS THEREFOR; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The invention discloses a multi-grade heat storage and supply device which comprises a controller and a multi-grade heat storage tank, a high-temperature heat storage layer and a medium-temperature heat storage layer are arranged in the multi-grade heat storage tank, the high-temperature heat storage layer comprises a first liquid inlet cavity and a liquid outlet cavity, and a heating pipe, a coil pipe and a solid heat storage body are arranged between the first liquid inlet cavity and the liquid outlet cavity; and a second liquid inlet cavity is formed in the liquid outlet cavity. The problems of multi-grade heat storage and industrial multi-grade heat supply are solved, high-temperature heat storage and medium-temperature heat storage are put into the same device, the requirements of heat users for different grades of heat energy are met, and industrial multi-grade heat supply is achieved; through the arrangement of a heating pipe, a coil pipe and a solid heat accumulator, the heat accumulation capacity of