BARS AND BREWERIES
Brewery group relies on thermowave
Brewery group relies on thermowave
Polish brewing company Kompania Piwowarska (which is part of the Japanese Asahi Group) has consistently opted for thermowave plate heat exchangers (PHEs) from Guentner for its heat transfer operations as part of the modernisation of its brewing technology and energy-related renovations. Over 30 thermowave PHEs with a total heat exchanger capacity of over 100 MW are used in all brewing sub-processes at the ce
has awarded it a ‘white’ certifi P
olish brewing company Kompania Piwowarska boasts three historical breweries, two of which have been brewing beer for several centuries: Tyskie Browary Książece in Tychy (founded in 1629), Browar Dojlidy in Białystok (founded in 1768) and Lech Browary Wielkopolski in Poznań (founded in 1895). These breweries produce top beer brands such as Lech, Tyskie, Żubr, Dębowe, Redd’s and the Książęce specialities. Around 500 employees brew the beers using natural ingredients and traditional recipes. The beers and beer- based drinks (boasting annual production of over 13 million hectolitres) are popular both in Poland and also throughout the whole of Europe.
Modern brewing technology Modern brewing technology
The Asahi Group’s Polish sites are proof that age-old traditions and modern brewing technology are not mutually exclusive but in fact can go hand in hand. Instead of distributing cold to individual consumers via a glycol circuit – which was common practice in the past. These days central ammonia refrigeration systems provide environmentally friendly and economical cooling, sometimes directly.
In order to use both heat and cold effi ciently in the production process, wherever possible in the entire brewing and cooling process heat and cold are transferred to other media with high-effi ciency thermowave plate heat exchangers. The heat is transferred between the refrigerants, between beer (at diff erent process stages) and coolant/water, predominantly in the counterfl ow.
to other media with high-effi refrigerants, between beer (at diff
and coolant/water, predominantly in the counterfl Various thermowave plate heat exchanger designs are used in the individual production lines to ensure effi cient used in the individual production lines to ensure effi cient and reliable operations. They are used, for example, as wort heaters and coolers, green beer coolers, pasteurisers, yeast coolers and water degassers.
The central ammonia refrigeration systems use robust thermowave thermoline TL 650, TL 500 and TL 250 plate
40 December 2019 systems.
part of the Japanese Asahi Group) has consistently opted for thermowave plate heat exchangers (PHEs) from Guentner for its heat transfer operations as part of the modernisation of its brewing technology and energy-related renovations. Over 30 thermowave PHEs with a total heat exchanger capacity of over 100 MW are used in all brewing sub-processes at the Group’s sites in Poland. The Polish Energy Regulatory Offi ce has awarded it a ‘white’ certifi cate.
heat exchangers for the evaporation of ammonia and for heat recovery in CO2
thermowave thermoline in beer production The thermowave plate heat exchangers are capable of carrying out a wide range of diff erent tasks as part of the brewing process: Wort heating – In production, several thermowave TL 850 KBKL units with a heat exchanger capacity of 6.5 MW heat up over 200 m³ of wort per hour from 72 °C to 98 °C. In the counterfl ow, 100 °C hot water is cooled down to 78 °C as part of this process step.
Wort cooling – In Tychy, for example, the freshly cooked wort is cooled from 99 °C to 10 °C using fi ve thermowave TL 500 TCGL plate heat exchangers. In the counterfl ow, the approx. 7 °C cold water fl ow is simultaneously heated up to over 80 °C. A total of approx. 32 MW of plate heat exchanger capacity is installed in Tychy for this process (another four thermowave PHEs are already planned in Poznań for this stage of the process).
Yeast cooling – Yeast cooling is a highly specialised process which, thanks to thermowave’s know-how, runs smoothly, reliably and effi ciently in the brewery in Tychy.
A thermowave TL 400 TBXL plate heat exchanger was integrated into the yeast preparation line in 2017. It cools the yeast down from 16 °C to 2 °C. Propylene glycol is used as the coolant with an inlet temperature of 0 °C.
Pasteurisers – Several thermowave TL 500 FCGV units, which boast approx. 93 % heat recovery, are used as pasteurisers for the high-temperature, short- time (HTST) fl ash pasteurisation of the beer for 15 to 30 seconds. Both PHEs each currently have an installed heat exchanger capacity of approx. 4.7 MW; however, this can be easily expanded with the long
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