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Patent Searching and Data


Title:
CLOSED TYPE DC/AC COOLING TOWER
Document Type and Number:
Japanese Patent JP2002130962
Kind Code:
A
Abstract:

To provide a closed type DC/AC cooling tower being simple in constitution and capable of preventing moisture in air discharged from the cooling tower from being brought into a white smoke state when an outside air temperature is decreased.

Process water returned from the load side is introduced in a heat exchanger 7 and cooled by scattering water and air introduced by a blower 9, and cooled by direct contact of scattering water with air in a filler 6. In the so formed closed type DC/AC cooling tower, an upper water tank 3 is divided into a plurality of sections, branched scattering water piping 14 are interconnected, and bypass piping 15 connected to a lower water tank 11 through a valve 16 is situated at least at single scattered water piping 14a to interconnect a branch part 23 and the upper water tank 3.


Inventors:
Nakanishi, Toshifumi
Hayashinaka, Kazuyoshi
Application Number:
JP2000000322372
Publication Date:
May 09, 2002
Filing Date:
October 23, 2000
Export Citation:
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Assignee:
HITACHI AIR CONDITIONING SYSTEM CO LTD
International Classes:
F28F25/12; F28C1/14; F28C1/16; F28F27/00; (IPC1-7): F28C1/16; F28C1/14; F28F25/12; F28F27/00
Attorney, Agent or Firm:
森 治 (外1名)