MATERIAL FOR HEAT ACCUMULATION, METHOD OF MAKING MATERIAL FOR HEAT ACCUMULATION AND CHEMICAL HEAT PUMP Russian patent published in 2020 - IPC C09K5/16 F28D20/00 C01F5/30 

FIELD: chemistry.

SUBSTANCE: invention relates to heat accumulating materials. Method of producing heat accumulating material, which is composite KMgCl₃, consists in preparation of mixture by mixing KCl and MgCl₂·6H₂O and obtaining composite KMgCl₃ by thermal treatment of mixture. Chemical heat pump comprises a water storage unit serving as a working medium, a heat accumulation material retention unit and a water vapour transmission channel for transmitting water vapour between the water storage unit and the heat accumulating material retention unit. Heat accumulation method involves the accumulation and dissipation of heat in a chemical heat pump through hydration and dehydration of the working medium in the heat-accumulating material.

EFFECT: obtaining heat-accumulating material having high hydration ability and difficult to dissolve in adsorbed water.

3 cl, 1 tbl, 9 ex, 3 dwg