Water-Fired Chiller/Chiller-Heater
The refrigerant vapor is absorbed by the concentrated lithium bromide solution flowing across the surface of the absorber coil. Heat of condensation and dilution is removed by the cooling water
The objective of this work is to design and construct a lithium bromide–water (LiBr-H 2 O) absorption cooling system with a nominal capacity of approximately 1 TOR driven by solar energy which uses Lithium Bromide as absorbent and Water as refrigerant.
Yazaki water-fired SINGLE-EFFECT chillers (with cooling capacities of 5 to 100 tons of refrigeration) produce chilled water for cooling, while chiller-heaters (with cooling capacities of 10 to 30 tons of refrigeration) produce chilled water, but also can provide hot water for heating in comfort air conditioning applications.
The objective of our investigation is to summarize the development status of air-cooled lithium bromide (LiBr)-water absorption chillers to guide future efforts to develop chillers for CHP applications in light-commercial buildings (typically 10 to 150 RT).
Modern systems maintains higher condensing pressure even when low-temperature condensing water is available to avoid crystallization. Lithium bromide aqueous solution is one of many other solutions widely used in the operation of the absorption heat pumps that are used for (heating and) cooling purposes.
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