| 摘要 |
PURPOSE:To obtain a titled device capable of discharging heat at low temperatures and having efficiency by accommodating a plurality of heat accumulating materials having different transition points and melting points in separate vessels so that they are not mixed togehter, and successively heat exchanging the heat accumulating material and the working fluid within the vessel. CONSTITUTION:Snake pipes 12 for heat exchanging made of a corrosion-proof material, connected to a working fluid pipe 11 are provided within heat accumulating tanks 1 through 10. Each of heat accumulating tanks 1 through 10 is divided into three chambers 1A through 10c by partition walls 1a, 1b through 10a and 10b having a heat insulating structure, and heat accumulating materials are accommodated in each of the chamber 1A through 10. A plurality of heat accumulating materials having different transition points and melting points and the operating fluid within the operating fluid pipe 11 are subjected successively to heat-exchange. By this procedure, the recovery of low temperature waste heat and a large scale heat accumulation become possible and the occupying area per unit energy can be reduced. |
