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Home » Products » Heat Exchangers » Dimpleflo Heat Exchangers » Dimpleflo Double Tube » Winery Must Chilling & Ferment Heating

Must Chillers and Fermention Tank Warmers for Wineries

Dimpleflo Must Chillers have been used in the Australian & New Zealand wine industry since mid 1980’s. Dimpleflo Must Coolers incorporate the unique dimple profile and are revered for their efficiency, durability, cleanability and versatility – not only during vintage (grape harvest) but also as an “all round winery heat exchanger”.

Dimpleflo Grape Must Coolers are available in varying lengths from 2 metre to 12 metre and wall-mount or floor mount configurations. Mobile Must Chillers are available up to 4” 100mm cross section. A further variation of the Dimpleflo Double Pipe Heat Exchanger is the inline system. This is typically used in larger wineries to cool the crushed grapes in transit from the crushing area to main winery area for further processing.

These premium Australian designed, and manufactured must coolers can cool crushed grape flows from 2 tonnes/hr through to 150 tonnes/hr. The largest Dimpleflo Teralba have ever built was exported to the USA and chills 150 tonnes/hr of crushed grapes from 30°C to 10°C, in a single process.

Applications

  • Chilling grape must
  • Warming malolactic ferments during colder months and cool climates.
  • Cold Stabilizing wine
  • Warming or cooling tanks of juice or wine using a pump-over method.
  • Heating red grape must for colour extraction.

Dimpleflo Must Chillers are available with the Vinpro Temperature Control System to monitor and adjust must discharge temperatures. The Vinpro system can be operated as a local or remote control depending on the model ordered.

Teralba Industries also manufacture Accu-Therm Plate heat Exchangers for heating or clear juice or finished wine.

FAQs

Why are heat exchangers important?

Refrigeration is an essential component of the wine making process, as you need to be able to cool down your grape must and control the temperature of fermentation. For this purpose, we at Teralba build a wide range of highly effective heat exchanger chiller systems, from small (2”) 50mm juice heat exchangers through to (8”) 200m must chillers cooling 150 ton/hr of grape must, that are available worldwide.  Dimpleflo Must Chillers are modular so they can grow with your production requirements.

What is a winery process chiller heat exchanger?

Heat exchangers, such as our robust Dimpleflo Grape Must Cooler and Dimpleflo Double Tube, are devices consisting mostly of a dimpled stainless steel shell and inner tube. They’re used to chill winery must, stabilise wine temperature, heat must for colour extraction, thermovinification and more. 

Dimpleflo Heat Exchangers function by having the wine, juice or crushed grapes,  flow through a dimpled inner heat transfer tube while glycol flows through the shell surrounding the tube. In simple terms, if the wine or juice is warmer than the glycol being circulated through the exchanger, its heat will be transferred to the glycol, which subsequently cools the wine. The glycol will then circulate through a refrigeration chiller, where it’s cooled again so that it can be recirculated to continually absorb heat from the wine. Dimpleflo Heat Exchangers can also be designed to use direct expanded refrigerants such as ammonia.

How does a heat exchanger work in a chiller?

The refrigeration chiller uses a brazed plate heat exchanger or semi-welded plate heat exchanger, with ammonia or R12A refrigerant, to cool the glycol before it flows through the jacket around the inner heat transfer tube. The cooled glycol can then repeatedly absorb heat from the wine before having its temperature lowered again by the chiller.

How do I maintain a winery process chiller?

The maintenance needs of a winery process chiller vary from replacing gaskets to sourcing spare parts for obsolete models. This is why we offer our Teralba Heat Transfer Service. We’re happy to make both minor and major repairs, source parts, and perform heat exchanger assessments to identify potential issues.

Contact Teralba today to learn more

Teralba is a proud, New South Wales-based provider of premium heat exchangers. Our Dimpleflo Must Chillers are trusted by wine producers from around the world for their efficiency, reliability, and versatility.

If you have any questions about our professional installation services, our custom winery chillers for the wine industry, or anything else, please contact our knowledgeable team. You can reach out to us at your next convenience by calling 1300 20 70 20 or by filling out our contact page.

For further information or to obtain a heat exchanger selection and quotation please email your requirements through to our experienced heat transfer engineers at: sales@teralba.com or phone: 1300 20 70 20

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