METHOD OF RECOVERING HEAT ENERGY

PURPOSE:To improve the recovering efficiency of waste heat, by accumulating the energy of waste heat that is intermittently discharged into a latent heat accumulator tentatively, and pressurizing a high-temperature heating medium that is taken out continuously from the accumulator to be used for hea...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE SHIROU, UMETANI TETSUMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR METHODS OF STEAM GENERATION OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SPRING, WEIGHT, INERTIA OR LIKE MOTORS STEAM ACCUMULATORS STEAM BOILERS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	PURPOSE:To improve the recovering efficiency of waste heat, by accumulating the energy of waste heat that is intermittently discharged into a latent heat accumulator tentatively, and pressurizing a high-temperature heating medium that is taken out continuously from the accumulator to be used for heating a working medium in a heat pump cycle. CONSTITUTION:A heating medium such as ethylene glycol or the like is heated through a heat exchanger 1 by waste gas whose flow rate changes and whose temperature is on the order of about 200-400 deg.C. This heating medium is fed to the heat accumulator 2 by a pump 10. Thus, only the inside of each of polyethylene rods only the surface of each of which has been subjected to crosslinking treatment and which are located in the accumulator 2 is melted successively from the top thereby accumulating the heat therein. When a heating medium from a heating medium turbine 42 is flowed through the accumulator 2 and when the polyethylene solidifies, the latent heat discharged heats the heating medium, then the thus heated heating medium is pressurized by a pressurizing pump 41 and is led to a direct contac type heat exchanger 3 to heat up a working heating medium such as Fron or the like in the heat pump cycle to be evaporated. By the thus produced vapor a turbine 4 is rotated to drive a generator 5.