Recently, the first "isopropanol-acetone-hydrogen chemical heat pump technology verification demonstration platform" designed and developed by the super heat exchange team of the Heat and Mass Transfer Research Center of the Institute of Engineering Thermophysics, Chinese Academy of Sciences in Jiangsu Yanggang Special Steel, Gaoyou City, Jiangsu Province The limited company was built. At present, the platform has completed debugging, and the performance of each component and system has reached the expected goal. This platform is the first large-scale organic working fluid chemical heat pump system in the world, which fills the blank of the relevant test platform. The chemical heat pump system uses reversible heat absorption and exothermic chemical reactions to recover low-grade heat energy in the form of chemical energy, and then releases it at a suitable temperature for heating, cooling, drying and power generation equipment, which can achieve energy The grade is improved and effectively used. It has the advantages of large heating range, high output temperature, small heat loss, and energy storage function. It can complement the compression heat pump, absorption type and adsorption type heat pump. Among them, the isopropanol-acetone-hydrogen chemical heat pump is suitable for the recovery of low-temperature thermal energy at 80-110 ° C, and has broad application prospects in the fields of low-temperature solar energy and industrial waste heat utilization. The isopropanol-acetone-hydrogen chemical heat pump technology verification demonstration platform includes catalytic endothermic reactors, rectification towers, catalytic exothermic reactors, regenerators and other components. The endothermic power is up to 300 kW, and the exothermic power is up to 100 kW, this system utilizes the steam generated by the steel-making heating furnace to generate low-pressure steam with a pressure of 1-2 kg after generating electricity from the steam turbine to obtain superheated steam above 160 ° C. The research was completed with the support of the topic of “High-efficiency chemical heat pump with improved low-temperature thermal energy grade†in the National Key R & D Program of “Low-grade Residual Energy Recovery Technology and Heat Pump Equipment Research and Demonstrationâ€.
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Figure 1 Demonstration platform for isopropyl alcohol-acetone-hydrogen chemical heat pump technology verification 
Figure 2 Demonstration platform control system
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