Environmentally friendly technologies in refrigeration

ROUND TABLE ON CLIMATE- & OZONE-FRIENDLY TECHNOLOGIES IN REFRIGERATION & AIR

CONDITIONING

Copyright by Güntner / Heat Exchangers and Environment-Friendly Technologies in Refrigeration & Air-Conditioning / Dr. Josef Riha / Belgrade – Serbia / 10.05.2011 1

Heat Exchangers and Environment-Friendly Technologies in Refrigeration & Air Conditioning

Dr. Josef Riha

Güntner AG & Co. KG


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Presentation overviewPresentation overview

� Company Güntner� Overview of refrigerants used in

refrigeration industry


� Suitable products for different refrigerants

� New technologies in the field of heat exchangers

� Case studies for natural refrigerants� Summary


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Company GüntnerCompany GüntnerWe are a global leader in heat transfer technology,

supplying knowledge and products for refrigeration, process cooling and HVAC applications.



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Refrigerants and our productsRefrigerants and our products

Condenser / Cooler / Gas cooler

Non-natural refrigerants

brinesglycols

NH3 CO2Hydro-

carbons


Gas cooler

Evaporators(Direct expansion)

Evaporators(Pump operation) Air coolers


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Changes from 2002 to 2004

+30 %

+80 % Sales distribution in 2004 for EuropeSales distribution in 2004 for Europe

CO2

1 %NH3

20 %


+17 %

-12 %

The percentage of natural refrigerants keeps growin g.

HFKW71 %

Sole*8 %

20 %

Non-natural refrigerants

Brine


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New technologiesNew technologies


1. microox® technology1. microox® technology

2. Innovative frame2. Innovative frame

3. Intelligent fan module3. Intelligent fan module


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New technologiesNew technologies

50

60

70

80

90

Mo

tor

eff

icie

ncy

[%

]

1-ph. AC1-ph. AC

3-ph. AC3-ph. AC

EC-motorEC-motor

High efficiency EC-fans Less material usedRaw Material Cost

60%

80%

100%

120%

EU

R

SteelCopperAlu


10

20

30

40

0 50 100 150 200 250 300 350 400 450 500

Fan motor power [W]

Mo

tor

eff

icie

ncy

[%

]

Shaded pole

motor

Shaded pole

motor

0%

20%

40%

60%

F&T big MCHX big

EU

R

Sales Price

0%

50%

100%

150%

200%

250%OverheadCasingFansCoil

- 17%

- 40%


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Case studies for natural refrigerantsCase studies for natural refrigerantsKaufland logistics centre:

� Country / City - Germany / Möckmühl� Refrigerant / Fluid - NH3, Glycol� Date of installation - 2003� Total refrigerating capacity - 7,910 kW


� Total refrigerating capacity - 7,910 kW


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Case studies for natural refrigerantsCase studies for natural refrigerantsFish -processing centre in Sassnitz:

� Country / City - Germany / Sassnitz� Refrigerant / Fluid - NH3, CO2, Glycol� Date of installation – 2003



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Case studies for natural refrigerantsCase studies for natural refrigerantsNH3 Herta Plant:

� Country / City - Germany / Herten� Refrigerant / Fluid - NH3� Date of installation - 2004� Total capacity - five refrigeration cells


� Total capacity - five refrigeration cells with a capacity of 3,300 m3 each


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Case studies for natural refrigerantsCase studies for natural refrigerantsEurope’s most advanced slaughter house:

� Country / City - Denmark / Horsens� Refrigerant / Fluid - NH3, Glycol� Date of installation – 2007� Costs for the refrigeration technology –


� Costs for the refrigeration technology –11.5 million Euro

� Total refrigeration capacity - 13.6 MW� Heat recovery – 5 MW� Refrigerant charge – 28 t of NH3


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SummarySummary� In some regions of the world, the use of

environment-friendly refrigerants in refrigeration is a normal standard.

� All necessary components are normally


� All necessary components are normally available on the market.

� Some companies have a lot of knowledge in this field and can help customers understand these technologies.

� There is no need to find new ways or methodsfor developing countries … just follow the best practices.


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Thank you very muchfor your attention!

Your contact person: Address:


Dr. Josef RihaPhone: + 49 8141 242 - 4801Mobile: + 49 151 16885991E-mail: [email protected]

Güntner AG & Co. KGHans-Güntner-Straße 2 – 682256 FÜRSTENFELDBRUCKGERMANYTel.: + 49 8141 242 - 0Fax: + 49 8141 242 - 155www.guentner.de

Environmentally friendly technologies in refrigeration

Technology

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