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Thread: Fruit cold store design
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26-07-2008, 08:17 PM #1
Fruit cold store design
Hi,
have some problem and need your help ... advice ... experience good or bad ...
…. we have to design a new cold store for fruits. Half rooms with direct ammonia cooling and another half rooms with indirect water cooling. Our client likes to save some money requesting to install suction pressure regulating valve (to change room temperature) for two coolers in parallel connection (one cold room) …. liquid feeding line also will be common with hand regulating valve (for balancing) for each evaporator …. can we save some money to our client or only get a headache ….
… for indirect water cooling system they also want to install one 3-way water regulating valve for two coolers (one cold room) in parallel connection
…. the same question as above ... can we save some money to our client or only get a headache ….
...anyone had some similar situation ... what to do?
Best regards, Josip
It's impossible to make anything foolproof because fools are so ingenious...
Don't ever underestimate the power of stupid people when they are in large groups.
Please, don't teach me how to be stupid....
No job is as important as to jeopardize the safety of you or those that you work with.
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26-07-2008, 09:25 PM #2
Re: Fruit cold store design
Hey Josip
I have built a big unit for fruit cold storage some years ago.
Give me the storing temps required, humidity and fruit tonnage per room and I see how I can help.
In short, it was a rack of compressors with flooded evaporators, HG defrost, compressors and condensers controlled by Danfoss AKC 25H and room temp, defrost controlled by individual controllers.
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26-07-2008, 10:50 PM #3
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26-07-2008, 10:58 PM #4
Re: Fruit cold store design
Hi Josip.
My recommendation is to use one set of valves for each evaporator (water or ammonia).
At low thermal loads the respective valve capacity may not be able to control the flow properly.If all else fails, ask for help.
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12-09-2008, 11:29 AM #5
Re: Fruit cold store design
Hi, US Iceman
Thanks, good advice ... we came to the same conclusion, but now we have a new moment...
see this....
http://www.refrigeration-engineer.co...ad.php?t=14979
.... hope you'll contribute with some good suggestion
Best regards, Josip
It's impossible to make anything foolproof because fools are so ingenious...
Don't ever underestimate the power of stupid people when they are in large groups.
Please, don't teach me how to be stupid....
No job is as important as to jeopardize the safety of you or those that you work with.
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