Small Ammonia condenser+evaporator

[Roger Thorpe]

I am making a carbon/ammonia adsorption system, and would like to get a packaged condenser, accumulator and evaporator.
The condenser should be water cooled (but could be air) and the evaporator will take heat from a water/glycol loop.
One of the (many) problems is that this will be on the small side for NH3 at 12-15kW.
Does anyone here know of a likely manufacturer, preferably near the west midlands of the UK?
I'm not sure how i'm going to manage the expansion vave either, I'm thinking about using a float valve and a flooded evaporator. Any thoughts?

Thanks
Roger

[US Iceman]

When you say "carbon", are you using CO2?

Is your intent to have the CO2 and ammonia mixed in the same circuit, or independent in two separate circuits?

Just curious??

Thanks.

[Roger Thorpe]

No, it's active carbon and ammonia. The carbon adsorbs ammonia and we alternately heat the carbon (to drive the NH3 out at high pressure) and cool it (to draw the NH3 back). This replaces the compressor of course, and gives you a heat driven system.
Roger

[US Iceman]

Hi Roger,

Thanks for the feedback.

Is this in research development right now?

Can you share any details. Sounds interesting.

Regards,
US Iceman

[Roger Thorpe]

Thanks for your interest, I can direct you to the website for our group, which is http://www.eng.warwick.ac.uk/~esrec/energy/current.htm
Unfortunately, and rather embarrasingly the stuff on there is not terribly comprehensible or uptodate, but we're working on it. A better summary is at
www.cibse.org/pdfs/development.pdf (http://www.cibse.org/pdfs/development.pdf)
The ideal application is to make machine driven by solar thermal energy. An air conditioner for a car working on waste heat would be pretty groovy too! We're not there yet
Roger