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Title:
DOWNWARD FLOW LIQUID FILM TYPE EVAPORATOR
Document Type and Number:
Japanese Patent JP2014020754
Kind Code:
A
Abstract:

To restrain a carry-over phenomenon of droplets of a liquid refrigerant adhered to an upper cover, in a downward flow liquid film type evaporator for evaporating the liquid refrigerant by a heat transfer pipe group by flowing the liquid refrigerant out of refrigerants under two gas-liquid phase states supplied in a tank through a refrigerant inlet pipe to the heat transfer pipe group by a liquid refrigerant spraying device having an upper cover, a one-stage refrigerant tub and a two-stage refrigerant tub and provided between the heat transfer pipe group in the tank and a steam outlet pipe at an upper part of the tank in an upward and downward direction.

In a downward flow liquid film type evaporator (1), a gap between an upper cover (36) and a one-stage refrigerant tub (34) at a portion near a steam outlet pipe (18) is made narrower than a gap between the upper cover (36) and a one-stage refrigerant tub (34) at a portion away from the steam outlet pipe (18).


Inventors:
Fukuoka, Motohiko
Kin, Genei
Hattori, Keita
YO, Kunitada
Ogata, Junji
Application Number:
JP2012000162729
Publication Date:
February 03, 2014
Filing Date:
July 23, 2012
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F25B39/02; F28D5/02
Attorney, Agent or Firm:
新樹グローバル・アイピー特許業務法人