Concentrating evaporators – Closed evaporating chambers – Indirectly heated
Patent
1987-09-10
1989-07-11
Bascomb, Wilbur
Concentrating evaporators
Closed evaporating chambers
Indirectly heated
159 46, 159 471, 62101, 62476, 202177, 202183, 203100, 203DIG4, B01D 106, F25B 1500
Patent
active
048462403
ABSTRACT:
A high efficiency open-cycle absorptive approach to compressing steam or other vapor is disclosed, especially useful for industrial evaportion via recompression. Referring to FIG. 1, low pressure steam from evaporator 1 is absorbed in an aqueous absorbent solution so as to release heat in both absorber 7 and GAX exchanger 8. External heat is applied to generator 12. Steam at higher pressure is desorbed from both gnerator 12 and GAX exchanger 8, and used to heat evaporator 1. Absorber 7 heat is also used to heat and evaporate the mixture undergoing evaporation.
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"Proceedings of the DOE/ORNL Heat Pump Conference: Research and Development on Heat Pumps for Space Conditioning Applications", CONF-841231, Aug. 1985, published by the Oak Ridge National Laboratory, Oak Ridge, TN, pp. 267, 268, 276, 293, and 294.
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