Refrigeration – Refrigeration producer – Sorbent type
Patent
1984-07-12
1985-11-19
King, Lloyd L.
Refrigeration
Refrigeration producer
Sorbent type
F25B 1500
Patent
active
045534098
ABSTRACT:
A multiple regeneration multiple absorption type heat pump having a multiple absorption system and a multiple regeneration system and adapted so that a refrigerant and an absorbent are circulated between the two systems and so that a fluid to be heated is passed therethrough the multiple absorption system comprises an evaporator for evaporating the refrigerant by a heat from an external low-temperature heat source, at least one absorbing/evaporating unit for allowing the absorbent to absorb the refrigerant vapor from the evaporator or a preceding similar absorbing/evaporating unit and for evaporating the refrigerant by the heat of absorption, and an absorber for allowing the absorbent to absorb the refrigerant vapor from the or a preceding absorbing/evaporating unit and for heating the to-be-heated fluid by the heat of absorption. The multiple regeneration system comprises a regenerator for evaporating the refrigerant contained in the absorbent by a heat from an external high-temperature heat source and thereby condensing the absorbent, at least one condensing/regenerating unit for condensing the absorbent by the latent heat of the refrigerant vapor from the regenerator or a preceding similar condensing/regenerating unit, and a condenser for heating the fluid being heated by the latent heat of the refrigerant vapor from the or a preceding condensing/regenerating unit. According to this arrangement, the fluid to be heated can be heated up over a wide temperature range through heat exchange at high temperatures.
REFERENCES:
patent: 2021994 (1935-11-01), Hainsworth
patent: 2353714 (1944-07-01), Kleen
patent: 3742728 (1973-07-01), Mamiya
patent: 3831397 (1974-08-01), Mamiya
Hitachi Zosen Corporation
King Lloyd L.
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