Plate heat exchangers

[Dannyparty92]

On what systems would you find a plate heat exchanger why are they used and how do they work?

 

[kay-jay]

Combi boilers on hw used because of speedy heat transfer. They are used in brewing beer in reverse to cool down the boiling wort. Its basically narrow channels through which a fluid flows absorbing from or in the beer scenario leeching into the temperature of the surrounding fluid in wider channels

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[Dotty]

I must come to yours for a sampling session one day Kay-Jay.

 

[kay-jay]

Trouble is finding time to brew the stuff these days. Takes about six hours start to finish and i do a 40 pint run. Waiting for the day i rip out a suitable cylinder. Gonna connect the coil to cold tap and cool the wort that way. Will use it as a boiler too by standing on a gas burner. 180 or so pints is a more justifiable result for the 6 hours labour. But it is good stuff and you would be welcome to try it.

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[Roger Welton]

THey are used anywhere that requires a transfer of heat (either to cool or heat) from one fluid to another, benefits over tubular heat exhager being an increased surface area (and heat transfer) for a given volume.


This one isn't from a combi

 

[Dannyparty92]

Because I was looking in my water regs book today and it has a diagram of a plate heat exchanger on use with a water heater