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Water Cooled Chiller System

05/15/2011 6:27 AM

Good evening to all,

Can anybody please help me to get chilled water flow diagram of water cooled chiller system with cooling tower?Also, how many storage tanks are used in a single chiller system?

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Location: Located in INDIA.Kerala state,kottayam Dt,pala.
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#1

Re: Water Cooled Chiller System

05/15/2011 8:24 AM

Yes it is .Pl go through refrigeration topic

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Lalithambika
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#2

Re: Water Cooled Chiller System

05/15/2011 10:00 AM

Try Google.

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Guru
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#3

Re: Water Cooled Chiller System

05/15/2011 6:26 PM

Depending on the temperature control schemes, there are several types of piping arrangements. As for storage tanks, the chilled water side would typically have one expansion tank per isolatable loop. The cooling tower might have its own sump, or perhaps a remote sump; either of these could be considered as a storage tank.

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#4

Re: Water Cooled Chiller System

05/15/2011 10:25 PM

One who is interested in the field of energy ,dynamics ,and technology, can follow me.The heat pump is used to draw the heat in the load- that is water.then we pump out the cold water.the heat pump is of many design.if atmospheric temperature is above 30deg C ,we can use wet bulb temperature drop to cool the required water by the range of difference between hot and wet bulb temp..It ranges from 1-20deg C in some moisture conditions.so that energy conservation without energy cost is met with.A cotton covering with wetness to it is the only requirement on the outer surface of the vessel containing water.air conditioning without using electricity has already.been developedand in use.

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#5

Re: Water Cooled Chiller System

05/15/2011 10:42 PM

this graphic is one I made over a decade ago.. but you can see the 600,000 usgal storage tank. I think the volume of the stored water is proportional to the size of the heat load that is being offset during the day. you can find out more by reading your ashrae manuals like any good hvac engineer. :) (im not one)

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#6

Re: Water Cooled Chiller System

05/16/2011 6:20 AM

Cooling tower will have a sump from where cooling water is pumped through condensers of water cooled chiller. Another tank is required for chilled water storage from where it is pumped to consumers which comes back to tank via evaporator of chiller after chilling it. For large systems with several chillers, one more tank is introduced as warm water tank for storing return water from consumers. In this case one more pumping is required between warm water tank to chilled water tank through evaporators of chillers.

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#7

Re: Water Cooled Chiller System

05/16/2011 9:18 AM

Water flow diagram:

1) Cooling Tower Sump (tank) to pump to Chiller Condenser to Cooling Tower

2) Warm Water Tank to pump to Chiller Evaporator Heat Exchange to - Either the Load to cool, then return to warm water tank

- Or back to warm water tank (to cool it) : this will then require a separate pump to circulate to the load and back.

Tanks: You can see that TWO tanks are normally required and Two or three pumps...

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#8

Re: Water Cooled Chiller System

05/16/2011 10:10 AM

Chapter 13 of the 2008 edition of the ASHRAE Handbook titled HVAC Systems and Equipment will walk you you through the design basics you are looking for. If you don't have access to this handbook you should be able to find it in the reference section of your public library or the library of one of your local colleges. Good luck.

Lou Bindner

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#9

Re: Water Cooled Chiller System

05/17/2011 8:12 AM

Special thanks Tornado, Chrisg, Pritam, Lucke, Lou Binder for your valuable answers.

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