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Anonymous Poster

hvac

12/15/2008 6:02 AM

wan to ask about chiller

y we use lithium bromide in chiller.

distal water circulate in chiller as refrigerant.

kindly told me y we use .

regds

ibrar ahmad

0300-60498258

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Power-User

Join Date: Dec 2008
Posts: 130
Good Answers: 17
#1

Re: hvac

12/15/2008 9:56 PM

The short answer is - it LOVES water.

The long answer is:

  1. As a salt solution it has a reasonable operating range it which solids are not formed.
  2. LiBr-water has a high volatility ratio (separate easily) so it can operate at low pressures and at low generator temperatures.
  3. LiBr has a high affinity for water (It LOVES water). Though this has a little disadvantage in that the solution has a higher heat of dilution.
  4. It has a moderate operating pressure.
  5. It is quite chemically stable.
  6. The solution is only moderately corrosive (can be helped with inhibitors)
  7. Fairly non-toxic (LiBr was used at one time as an "anti-depressant")
  8. Non-flammable
  9. Solution has a fairly reasonble viscosity
  10. High latent heat

From the above list - the main disadvantages of the water–lithium bromide system include the possibility of solid formation, low operating pressures, and higher viscosity. However, the advantages (i.e. high safety, high volatility ratio, high affinity, high stability, and high latent heat) outweigh the disadvantages, thus resulting in its extensive commercial use.

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Participant

Join Date: Jul 2007
Posts: 4
#2

Re: hvac

12/20/2008 5:50 AM

Dear Sir,

you have entered an incorrect phone number.

Call me if you are interested in Absorption Chillers.

+92 300 2360 820

We do maintenance since 30 years.

Dawood

topcool.mitco.ws

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