Heat exchanger with improved condensate removal
A heat exchanger, condensate technology, used in heat exchange equipment, evaporators/condensers, indirect heat exchangers, etc., can solve problems such as increased humidity, adverse effects of increased comfort, and condensate blowing away
Inactive Publication Date: 2009-10-28
CARRIER CORP
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Problems solved by technology
This retracted condensate may even be carried back into the conditioned space, which increases the humidity in the conditioned environment and the potential to adversely affect the comfort of occupants within the conditioned environment
[0009] It should be noted that cooling heat exchangers in air handling facilities that use cold water or glycol solutions to cool and dehumidify the air supplied to the conditioned environment, all face the same problem of condensate blow-off, which causes similar undesirable results
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[0021] The heat exchanger of the present invention will be used here as an evaporator, with figure 1 A simplified air conditioning cycle refrigerant vapor compression system 100 is schematically shown connected. although figure 1 The exemplary refrigerant vapor compression cycle shown is a simplified air conditioning cycle, but it should be understood that the heat exchanger of the present invention may be used in refrigerant vapor compression systems of various designs, including but not limited to heat pump cycles, economical Cycles, cycles with tandem components (such as compressors) and heat exchangers, cooler cycles, reheat cycles and many others including various options and features. Also, it should be recognized that although the blow-off phenomenon is described in connection with the evaporator of a refrigerant system operating in a vapor compression cycle, the use of cold water or glycol solutions to cool and dehumidify the air supplied to the conditioned environmen...
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A heat exchanger includes an arrangement of refrigerant conveying heat exchange tubes and associated heat transfer fins and has an airflow inlet and an airflow outlet. A plurality of inlet guide vanes is disposed slightly upstream of the airflow inlet to the heat exchange tube arrangement so as to route incoming airflow through the heat exchange tube arrangement along a desired direction, in relation to the heat exchange tubes and associated fins, so as to improve drainage of accumulated condensate from the external surfaces of the heat exchange tubes and to enhance shedding of condensate from the surfaces of the heat transfer fins. Also, a plurality of outlet guide vanes can be dis posed slightly downstream of the airflow outlet from the heat exchange e tube arrangement.
Description
technical field [0001] The present invention relates generally to heat exchangers for cooling air, and more particularly to providing for the removal of condensate that accumulates on the outer surfaces of heat exchange tubes and any heat transfer fins associated with those heat exchange tubes. improvement of. Background technique [0002] Refrigerant vapor compression systems are well known in the art. Air conditioners and heat pumps using a refrigerant vapor compression cycle are commonly used to cool or cool / heat the air supplied to climate-controlled comfort areas of homes, office buildings, hospitals, schools, restaurants, or other facilities. Refrigerant vapor compression systems are also commonly used to cool air or other secondary media, such as water or glycol solutions, to refresh food and Beverage products provide a refrigerated environment. [0003] Typically, these refrigerant vapor compression systems include a compressor, condenser, expansion device, and ev...
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IPC IPC(8): F25D21/14F24F1/0067
CPCF28F13/06F28D1/05316F25B39/02F28F17/005F28F1/32F28D1/05383F24F13/222F25D21/14F24F1/0059F24F1/0067
Inventor M·F·塔拉斯A·利夫森
Owner CARRIER CORP