Condenser for refrigerating machine

Abstract

This invention provides a condenser for a refrigerating machine which can improve the condensation characteristics by eliminating the accumulation of the condensed refrigerant in the condenser vessel. The condenser comprising the vessel 14 and a group of heat exchanger tubes 15 disposed in the vessel is used for condensing and liquefying the gaseous refrigerant by heat exchange between the gaseous refrigerant and cooling water circulating in the heat exchanger tubes. The condenser is constituted such that accumulated liquefied refrigerant is removed by forming one or a plurality of spaces in the area wherein the heat exchanger tubes are disposed.

What is claimed is:  
     
         1 . A condenser for a refrigerating machine comprising: 
 a vessel into which a gaseous refrigerant is introduced; and    a group of heat exchanger tubes disposed in said vessel for condensing and liquefying a gaseous refrigerant by heat exchange between said gaseous refrigerant and cooling water circulating in said heat exchanger tubes;    wherein, in a cross-sectional view, one or a plurality of vacant spaces are formed with a vertical orientation in an area in which said heat exchanger tubes are disposed, for preventing the liquefied refrigerant from accumulating around said heat exchanger tubes and for accelerating an inflow of the gaseous refrigerant.    
     
     
         2 . A condenser for a refrigerating machine according to  claim 1 , wherein said vacant space is formed so as to pass through a cross-sectional area in which said heat exchanger tubes are disposed.  
     
     
         3 . A condenser for a refrigerating machine according to  claim 1 , wherein said vacant space is vertically formed in cross-sectional view such that the space starts from the bottom and reaches an upper portion of the area wherein said heat exchanger tubes are disposed.  
     
     
         4 . A condenser for a refrigerating machine comprising: 
 a vessel into which a gaseous refrigerant is introduced; and    a group of heat exchanger tubes disposed in said vessel for condensing and liquefying a gaseous refrigerant by heat exchange between said gaseous refrigerant and cooling water circulating in said heat exchanger tubes;    wherein a plurality of porous plates are fitted on the inner peripheral surface of said vessel for guiding said gaseous refrigerant flowing along the inner surface of said vessel into said group of heat exchanger groups.    
     
     
         5 . A condenser for a refrigerating machine comprising: 
 a vessel into which a gaseous refrigerant is introduced; and    a group of heat exchanger tubes disposed in said vessel for condensing and liquefying a gaseous refrigerant by heat exchange between said gaseous refrigerant and cooling water circulating in said heat exchanger tubes;    wherein said heat exchanger tubes are disposed at an equal interval, and a group of heat exchanger tubes located in a lower region are used for supplying said cooling water forward and another group of said heat exchanger tubes located in an upper region is used for returning said cooling water backward, and the number of heat exchanger tubes located in said upper region is made smaller than the number of heat exchanger tubes located in said lower region by making the area of said upper region smaller than the area of said lower region.    
     
     
         6 . A condenser for a refrigerating machine comprising: 
 a vessel into which a gaseous refrigerant is introduced; and    a group of heat exchanger tubes disposed in said vessel for condensing and liquefying a gaseous refrigerant by heat exchange between said gaseous refrigerant and cooling water circulating in said heat exchanger tubes;    wherein a group of said heat exchanger tubes located in the lower region is used for supplying said cooling water forward and a group of said heat exchanger tubes located in the upper region is used for returning said cooling water backward, and the number of heat exchanger tubes disposed in said upper region is made smaller than the number of heat exchanger tubes disposed in said lower region by making an interval between heat exchanger tubes in said upper region larger than an interval between the heat exchanger tubes in said lower region.