초록 ▼

An improved desiccant air conditioning system includes at least one heat exchanging desiccant bed having desiccant material surfaces defining air passageways through the desiccant bed. The desiccant material surfaces adsorb moisture from building air during an adsorption phase and desorb moisture in

An improved desiccant air conditioning system includes at least one heat exchanging desiccant bed having desiccant material surfaces defining air passageways through the desiccant bed. The desiccant material surfaces adsorb moisture from building air during an adsorption phase and desorb moisture into exhaust air during a desorption phase. The heat exchanging desiccant bed is formed with refrigerant circulating channels or tubes in heat exchange relationship with the desiccant material surfaces. A heat pump system is also provided including an evaporator, compressor, condenser, and metering device operatively coupled by a refrigerant circulating line for evaporation of refrigerant and transfer of heat to the refrigerant from air in the evaporator air passageways during a coincident adsorption/evaporation phase and for condensation of refrigerant and transfer of heat from the refrigerant to air in the condenser air passageways during a coincident desorption/condensation phase. The refrigerant circulating channels are operatively coupled in the refrigerant circulating line of the heat pump system so that the heat exchanging desiccant bed comprises either the evaporator or the condenser or a component element of the evaporator or condenser. Various combinations of desiccant bed elements and heat pump elements are described. A heat pump desiccant bed air conditioning system is also provided by operatively coupling a heat pump between sources of relatively hot and cold heat transfer liquid of a non-change of phase heat transfer liquid circulating heat exchanging desiccant bed.

대표청구항 ▼

An improved desiccant air conditioning system having at least one desiccant bed comprising desiccant material surfaces defining air passageways through the desiccant bed for contacting air passing through the desiccant bed, said desiccant material surfaces adsorbing moisture from building air during

An improved desiccant air conditioning system having at least one desiccant bed comprising desiccant material surfaces defining air passageways through the desiccant bed for contacting air passing through the desiccant bed, said desiccant material surfaces adsorbing moisture from building air during an adsorption phase and desorbing moisture into exhaust air during a desorption phase, the improvement comprising: said at least one desiccant bed comprising a heat exchanging desiccant bed having heat transfer liquid circulatng channels in heat exchange relationship with the desiccant material surfaces of the desiccant bed, said heat transfer liquid circulating channels being operatively coupled to sources of relatively cool liquid and relatively hot liquid for alternatively circulating cooling liquid and heating liquid respectively in the circulating channels during the adsorption and desorption phases; and a bypass air duct bypassing said heat exchanging desiccant bed air passageways, and damper means operatively arranged for controlling the proportion of building air passing through the desiccant bed air passageways and the bypass air duct for controlling building air humidity.