Plate heat exchangers.
Plate type heat exchanger.
Baffles direct the flow of fluid between plates.
Plate type heat exchanger consists of plates instead of tubes to separate the hot and cold fluids.
The high heat transfer efficiency for such a small physical size has increased the domestic hot water dhw flowrate of combination boilers.
Plate heat exchangers were first produced in the 1920s and have since been widely used in a great number of sectors.
The flow pattern is set up so that the hot fluid flows between alternate spaces between plates with the cold fluid.
Plate type heat exchanger plate heat exchangers are now common and very small brazed versions are used in the hot water sections of millions of combination boilers.
It is made up of a series of plates held together in a frame with a fixed space between.
Fluids normally run counter currently through the heat exchanger.
A plate exchanger consists of a series of parallel plates that are placed one above the other so as to allow the formation of a series of channels for fluids to flow between them.
Because each of the plates has a very large surface area the plates provide each of the fluids with an extremely large heat transfer area.
This facilitates the transfer of heat and greatly increases the speed of the temperature change.
The type of plate heat exchanger to be considered in this article is also sometimes called a plate and frame heat exchanger.
The heat transfer area of a gasketed plate heat exchanger consists of a series of corrugated plates assembled between a frame and pressure plates to retain pressure.