Refrigeration – Processes – Evaporation induced by sorption
Patent
1982-07-06
1984-04-03
King, Lloyd L.
Refrigeration
Processes
Evaporation induced by sorption
62335, 62476, F25B 1500
Patent
active
044399944
ABSTRACT:
A three phase absorption system containing two or more reactor systems for binding refrigerant in a thermally reversible chemical reaction to absorbent materials within the reactor systems, means for supplying heat to, and removing heat from the reactor systems, means for recovery of at least part of the sensible heat energy from reactors in each of the reactor systems, and means for conveying, expanding, evaporating and condensing refrigerant gas from the reactor systems. A method for providing continuous cooling and/or refrigeration which includes the steps of desorbing refrigerant in a gas phase from an absorbent in a first reactor using a low temperature heat source, transferring the desorbed refrigerant gas to a condensor, expanding the condensed refrigerant to a lower temperature and pressure liquid, evaporating the low temperature liquid with the heat from the cooling and/or refrigerant load, absorbing vapor from the evaporated refrigerant with an absorbent in a second reactor which is being cooled by a cooler, concurrently preparing two other absorption reactors for the same absorbing and desorbing steps by transferring heat between the two other reactors, and heating one and cooling the other of the two reactors at constant volume thereby pressurizing one and depressurizing the other of the two reactors, and cyclically repeating the steps by alternating the desorbing and absorbing steps between the four reactors. A method for providing continuous heating using a heat pump effect to recover heat energy at a low temperature and deliver heat energy to a heat sink at a higher temperature with such heating method comprising the same steps as used in the above cooling method but with the condensing and evaporating steps occurring at relatively lower temperature and with the condensor and cooler providing the heat energy to the heat sink and the evaporator recovering heat energy from a low temperature heat source to accomplish the heat pump effect.
REFERENCES:
patent: 3483710 (1969-12-01), Bearint
patent: 4294080 (1981-10-01), Cohen et al.
patent: 4311019 (1982-01-01), Rojey et al.
Hybrid Energy Systems, Inc.
King Lloyd L.
Morgan Chris H.
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