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GEA Heat Exchangers Christian Hessler, Application Management Food & Sugar GEA Ecoflex GmbH, ISSCT August 2014 Advanced heat exchanger and evaporation technology in the cane sugar industry
GEA Heat Exchangers
Christian Hessler, Application Management Food & SugarGEA Ecoflex GmbH, ISSCT August 2014
Advanced heat exchanger and evaporationtechnology in the cane sugar industry
GEA Heat ExchangersAdvanced heat exchanger and evaporation technology in the cane sugar industry world wide
Main goals:
• Increase the capacity of your sugar mill• Increase the quality of your sugar• Lower the production costs of your sugar mills
BE PREPARED FOR THE FUTURE!! !
Outlook of the sugar market
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GEA Heat Exchangers3 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
How toreach thetargets?
Plate technology -Introduction
Plate heatexchangers
Plate evaporatoras boosters
Plate fallingfilm
evaporator
Agenda
GEA Heat Exchangers
Plate technology Introduction
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
∆T increased flow rate∆T current parameter
Temperature profile within existing heat exchangers at increased juice flow
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Vapour∆T
Vapour
Possible Consequence Leads toLower juice outlet temperature Higher energy consumption & cost
within evaporationIncreased vapour temperature Decreased quality due to colorization
∆T
GEA Heat Exchangers
Plate technology Introduction
5 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Thermal efficiency of plate type heat exchangers and evaporatorsis superior to each kind of tubular design
0
1000
2000
3000
4000
5000
k (W
/m²K
)
OHTC-value
Heat exchanger EvaporatorShell&Tube Plate Robert Plate
*according to VDI-Wärmeatlas and measurements at site
GEA Heat Exchangers6 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
How toreach thetargets?
Plate technology -Introduction
Plate heatexchangers
Plate evaporatoras boosters
Plate fallingfilm
evaporator
GEA Heat Exchangers
Plate heat exchangers
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Perfect type of plate for your certain application
Free flow plate Wide gap plate
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NT-seriesNo
Clear, thin andthick juice
NT plate
Wide gapYes
Clarified, clearjuice
Free flowYes
Mixed and rawjuice
Particles/fibersacceptableHeatingapplication
GEA Heat Exchangers
Plate heat exchangers
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
• Supports thermal efficiency• Reduces maintenance cost• Prolonges durability
1. Normal juice flow 2. Opposite to normal flow
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Back flush
GEA Heat Exchangers
Plate heat exchangers
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide9
Advantages Tailor made for your requirements Superior thermal efficiency Easy to install Easy to clean Easy to adapt to changed conditions
& flow rates
GEA Heat Exchangers
Plate heat exchangers
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide10
References:
• South Africa, TSB Komati
• Australia, Tableland
• China, diverse
• Egypt, Nile Sugar
• Germany, diverse
• Guatemala, Pantaleon
• Poland, Glinojeck
• Sweden, Nordic Sugar
GEA Heat Exchangers11 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
How toreach thetargets?
Plate technology -Introduction
Plate heatexchangers
Plate evaporatoras boosters
Plate fallingfilm
evaporator
GEA Heat Exchangers
Plate evaporator as booster
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Steam
Condensate
VapourConcentrated juice
Thin juice
Juice & Vapour
Steam
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Rising film plate evaporator CONCITHERM CT193
GEA Heat Exchangers
Plate evaporator as booster
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Extension of existing Robert evaporation effect – current situation
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GEA Heat Exchangers
Plate evaporator as booster
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Extension of existing Robert evaporation effect – additionial Concitherm CT193
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GEA Heat Exchangers
Plate evaporator
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide15
References:
• Mauritius, Medine
• Honduras, Santa Matilde
• Belgium, Orafti
• China, Congzuo Sugar
• Argentina, Ledesma
• India, Shree Renuka Sugar
• Vietnam, Khanh Hoa Sugar
GEA Heat Exchangers
Plate evaporator
16 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
In operation for more than 15 years
GEA Heat Exchangers17 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
How toreach thetargets?
Plate technology -Introduction
Plate heatexchangers
Plate evaporatoras boosters
Plate fallingfilm
evaporator
GEA Heat Exchangers
Plate falling film evaporator EVAPplus
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Main components of GEA Ecoflex plate evaporator EVAPplus
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GEA Heat Exchangers
Plate falling film evaporator EVAPplus
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Retrofit as solution for existing Robert evaporator
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GEA Heat Exchangers
Plate falling film evaporator EVAPplus
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide20
References:
• Germany, Südzucker
• Netherlands, Suiker Unie
• Dubai, Al Khaleej
• Australia, Tableland
• Indonesia, Jatitujuh
• USA, Amalgamated Sugar
• Brasil, Zillo
GEA Heat Exchangers
Plate falling film evaporator EVAPplus
21 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Tableland Sugar, in operation for more than 13 years
GEA Heat Exchangers
Summary
Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
• Plate technology helps to increase the capacity ofyour sugar mill
• Plate technology supports your competetiveness in the sugar market
• Plate heat exchanger and plate evaporator are keycomponents for modern processes in the sugar industry.
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hm…ok
GEA Heat Exchangers23 Advanced heat exchanger and evaporation technology in the cane sugar industry world wide
Thank you and havea sweet day!
Christian Hessler, GEA Ecoflex GmbH, Sarstedt, Germany, [email protected] Jugernath, GEA Nilenca Roodekop, Germiston, South Africa, [email protected]
