Kelly,

 

Very helpful. If you are in an environment with high electricity prices is it 
worth considering getting to 40F with an absorption chiller and going further 
with the electro-mechanical chiller? Or does the capital cost kill it? 

 

Put another way, would it be better to us your Proton unit 
(http://www.protonpower.com/ ) to generate electricity to drive an 
electromechanical chiller, or to use the heat to pre-chill and power to finish? 
How much refrigeration can you produce from the 250 kWe Proton using either 
method?

 

Thanks

 

Tom

 

From: Gasification [mailto:[email protected]] On 
Behalf Of Kelly Burnham
Sent: Monday, August 25, 2014 8:52 AM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Gasification or Pyrolysis + Absorption Chiller for 
Fruit

 

Tom,
There might be an issue with getting down to 36F with an absorption machine.  
We sold many steam fired abs chillers at Trane and the best we could do was 
40F, which was better than the catalogue, so we were going lower than the 
manufacturer said we could.

We.sold a few hydro-cooler chillers for cherries here in the Okanagan and our 
target LWT was around 30F. We found the best way to get there was a.packaged 
air-cooled eletro-mechanical (vapour cycle) chiller.

My 2bits. 

Kelly

On Aug 14, 2014 9:09 AM, "Tom Miles" <[email protected]> wrote:

In the tropics there are needs for making char and cooling fruit. Has anyone 
coupled a small pyrolyzer or gasifier up with a boiler and an absorption 
chiller? What sizes and capacities make sense? We’re looking at a fuel input of 
2-3 tpd. How much char can I make and what practical refrigeration capacity can 
I generate? I am assuming that the chiller can get down to about 36 F (2 C). 
The cooler the better. 

 

Thanks

 

Tom


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