Fruit juice pasteurisation plant with VARITUBE® tubular heat exchangers from TDS Tuchenhagen Dairy Systems for cold aseptic PET filling

Büchen, (PresseBox) - The centrepiece of the fruit juice pasteuriser is the VARITUBE® tubular heat exchanger. It features direct heat recovery, without intermediate circuit, for the fruit juice and primary industry, developed in the Fruit Juice Competence Centre at TDS Tuchenhagen Dairy Systems in Sarstedt.

The VARITUBE® SK is equipped with a patented special flow device that processes highly viscous products of up to 10,000 mPas and products containing fibres of up to 30 mm in length.

Product treatment takes place both in the inner tube and on the shell side. Key user benefits include: low investment costs and a high heat recovery rate of up to 92 %.

Process sequence: The product is conveyed from the mixing station to the VARITUBE® tubular heat exchanger via a closed supply tank. The product is heated by direct heat exchange in the heat recovery section of the tubular heat exchanger. The pasteurised product is the transferred via a sterile buffer tank to the PET filler – an optional degassing unit can be interconnected. The fruit juice pasteuriser can be operated variably at between 50% and 100% of its capacity to accommodate different bottle sizes.

The water UHT plant generates sterile water for the filling block for cleaning, disinfecting, flushing, rinsing and sterilising. The water is sterilised in a GEA plate heat exchanger at 140 °C and intermediately stored in a sterile buffer tank. This ensures that a sufficient amount of sterile water will always be available for the filling block irrespective of the current consumption. A CIP system is integrated into the water UHT plant for cleaning the plant itself and the filling block. Tuchenhagen VARIVENT® mixproof valves with vapour barrier (pressure hammer resistant) are used in the entire aseptic area of the process plant.

This provides a very powerful fruit juice pasteurising line with the following benefits:
- reliable bacteriological results
- very good hygienic design
- flexible capacity adjustment
- easy operation

You'll find us at: BRAU Beviale in Nuremberg from 14 – 16 November 2007, GEA Stand in Hall 7, Stand 610

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