JP2009103360A5 - - Google Patents

Claims (2)

By joining the outer peripheral portions by laminating a plurality of pairs of core plates between end plates, said end plates and said hot fluid chamber inside surrounded by the core plate flows high-temperature fluid and the low temperature fluid flows cryogen a plate laminate type heat exchanger formed by defining on the chamber,
One longitudinal end side of the core plate, the inlet port及beauty exit port for the hot fluid is provided,
A convex portion is formed on one side of the core plate ,
Configured the projections returns from the entering opening port Kide opening port before while forming a U-turn longitudinally extending in a direction other end side in the region of those longitudinal end side of the core plate On the other hand, on the other surface side of the core plate , arc-shaped joining convex portions are formed in the regions where the U-turns are formed,
Set of the pair of the core plates, two of the core plate facing the other surface side and are mutually and the one side, and wherein the convex portions formed on each in a pair opposite the hot A fluid chamber is constructed,
The area where the U-turn is formed among the hot fluid chamber area, while front Kitotsu portions high temperature fluid passage of the tubular joined to each other are formed, the U-turn is formed the region excluding the regions, the plate laminate type heat exchanger characterized by comprising assembled as fins are Remodeling. By joining the outer peripheral portions by laminating a plurality of pairs of core plates between end plates, said end plates and said hot fluid chamber inside surrounded by the core plate flows high-temperature fluid and the low temperature fluid flows cryogen a plate laminate type heat exchanger formed by defining on the chamber,
The one longitudinal end of said core plate, an inlet port及beauty exit port for the high temperature fluid is provided,
A convex portion is formed on one side of the core plate ,
The convex portion is composed of the entering through port back to Kide opening port before while forming a U-turn longitudinally extending in a direction other end side in the region of those longitudinal end side of the core plate And
Set of the pair of the core plates, two of the core plate facing the other surface side and are mutually and the one side, and wherein the convex portions formed on each in a pair opposite the hot A fluid chamber is constructed,
In the region where the U-turn is formed in the region in the high-temperature fluid chamber, a guide plate in which an arc-shaped high-temperature fluid flow path is formed by unevenness is interposed, while the U-turn is formed. the region excluding the region, the plate laminate type heat exchanger characterized by comprising assembled as fins are Remodeling.