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Tunnel and flash pasteurizers: what are they and how do they work?

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The pasteurization process that is performed using either a flash or tunnel pasteurizer based on needs, is a vital step in the processing of beverages in order to guarantee maximum security and quality. Learn about the advantages that come with skeequipment pasteurizers.

The following article includes:

  • What is pasteurization?
  • The advantages and features of the tunnel pasteurizer
  • The features and benefits of a Flash pasteurizer

What is pasteurization?

Pasteurizationis the process of thermalization that involves a combination of time and temperature, during which bacteria that could be pathogenic within a product are killed and, in turn, increase the shelf-life of the product.

Pasteurization could be applied to a variety of drinks:

  • Beer
  • Non-alcoholic drinks
  • Fruit juices
  • Energy drinks
  • Isotonic/sports drinks
  • Iced tea

When it comes to beer, pasteurization isn’t always required. However, craft beer that by nature have a limited distribution in the territorial area and shorter time to consume generally don’t necessitate to undergo pasteurization for keeping the beverage “alive”, beers made from industrial processes typically undergo thermal treatment. However, this process should be as minimally intrusive as possible to protect the nutritional and organoleptic qualities.

We offers two extremely efficient and flexible solutions to ensure the best quality of pasteurization of beverages: The tunnel pasteurizer and the flash pasteurizer.

The advantages and features of the tunnel pasteurizer

designed for bottling and canning lines, the tunnel pasteurizer made by skeequipment permits the pasteurization of pre-packaged products and thereby applying thermal energy to the container as well as the lid and cap.

This is how it does it:

The container is moved within the tunnel via conveyor belts and is then subjected to water sprays with increasing temperatures, until it reaches the point of pasteurization. For beer the temperature is approximately 62 degrees Celsius and an average cycle time of about eight minutes.

The container’s temperature is maintained at the pasteurization temperature for the specified duration and then gradually lowered with showers of decreasing-temperature water.

If you choose to rely on skeequipment to be your tunnel pasteurizer you will not only enjoy superior performance and a wide range of options for treating various types of goods but also several other benefits such as:

  • Automatization and Control function
  • Modificationand setting up of the device
  • The presence of the Operator Panel that determines the frequency of feeding for cans and bottles, and also defines the duration of the cycle

The advantages and features of flash pasteurizers

To eliminate the microorganisms that cause spoilage from beverages and ensuring complete security for long period of time, skeequipment also offers its flash pasteurizer that, in contrast to the model previously mentioned is able to perform the pasteurization of the beverage prior to packaging itinto cans, bottles or Kegs.

The beer cycle duration is extremely short, about 20 minutes and the temperature of pasteurization is about 72/71degC.

After the product is pasteurized, it’s then cooledand then transferred to the storage tank under pressurizationbefore being sent onto the machine to fill it.

A few of the most important attributesthat ensure this equipment is efficient in the treatment of alcohol and other drinks include:

  • AISI stainless steel 304structure
  • Completely automatedoperation
  • Complete and continuous Control on work-cycles
  • Highest hygiene and security standards
  • The operator panel is an operator’s panel that permits the verification and adjustment of all parameters controlled by the machine
  • digital graphic recording device which stores the values of the variables that control the pasteurization processes.
  • In the standard versions designed for medium-sized to small productions the machine occupies the smallest amount of space.

Skeequipment offer the most effective solutions for making pasteurized your product! Contact us for more information.

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