Liquid desiccant regeneration system
Patent
·
OSTI ID:6351900
A single-stage desiccant regeneration system for use in an air conditioning system is described, said regeneration system comprising: a falling film heat exchanger for transferring heat from concentrated desiccant solution to dilute desiccant solution, said heat exchanger comprising a housing, a vertical cylindrical tube disposed in said housing, a generally helically wound tube mounted on and around said vertical cylindrical tube, a distributor for distributing concentrated desiccant evenly onto an outer surface of said vertical cylindrical tube, a spacer separating said vertical cylindrical tube and said helically wound tube from side walls of said housing, said spacer comprising a plurality of fins connected together and arranged in radial fashion, each of said fins having therein a notch in which is received an upper edge portion of said vertical cylindrical tube, said fins extending radially outwardly from said vertical cylindrical tube a distance further than the extent of any portion of said helically wound tube from said vertical cylindrical tube, outer edges of said fins being adjacent said side walls of said housing, said housing having a bottom portion for trapping concentrated desiccant, a boiler for regenerating dilute desiccant and vaporizing moisture absorbed in said dilute desiccant, means for flowing dilute desiccant from said air conditioning system upward through said heat exchanger wound tube to said boiler, and means for directing concentrated desiccant from said boiler through said heat exchanger to said air conditioning system.
- Assignee:
- IMS; EDB-93-090429
- Patent Number(s):
- A; US 5213154
- Application Number:
- PPN: US 7-930898
- OSTI ID:
- 6351900
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
AIR CONDITIONERS
BOILERS
DESICCANTS
DESIGN
EQUIPMENT
EVAPORATION
FINS
HEAT EXCHANGERS
MATERIALS HANDLING EQUIPMENT
MOISTURE
OPERATION
PHASE TRANSFORMATIONS
REGENERATION
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
AIR CONDITIONERS
BOILERS
DESICCANTS
DESIGN
EQUIPMENT
EVAPORATION
FINS
HEAT EXCHANGERS
MATERIALS HANDLING EQUIPMENT
MOISTURE
OPERATION
PHASE TRANSFORMATIONS
REGENERATION