COOLING TOWER WITH INDIRECT HEAT EXCHANGER

A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. The indirect, evaporative heat exchange section is usually located above the direct evaporative heat exchange section, and an evaporative liquid is passed downward...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CARTER, Thomas, LIU, Zan, HOLLANDER, Philip, AARON, David, Andrew
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. The indirect, evaporative heat exchange section is usually located above the direct evaporative heat exchange section, and an evaporative liquid is passed downwardly onto the indirect heat exchange section. The evaporative liquid that exits the indirect evaporative heat exchange section then passes downwardly across and through the direct heat exchange section. The evaporative liquid is collected in a sump and then pumped upwardly to be distributed again across the indirect heat exchange section. The indirect heat exchange section is comprised of a plate type heat exchanger. An improved heat exchange apparatus is provided with an indirect evaporative heat exchange section consisting of a plate type heat exchanger which provides more surface area per volume compared to other designs. The indirect plate style heat exchanger may be combined with one or more direct evaporative heat exchange sections in multiple arrangements.