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Viscosity-controlled processing of liquid food

A liquid food, viscosity technology, applied in the direction of viscosity control, food preservation, adaptive control, etc., can solve the problems of low shear rate and undetermined viscosity

Inactive Publication Date: 2013-05-15
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for lower shear rates and pseudoplastic media, such as, in particular, fruit or vegetable juices, the viscosity cannot be determined, and in general, no open-loop or closed-loop control is known for the processing of media whose viscosity has been determined

Method used

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  • Viscosity-controlled processing of liquid food
  • Viscosity-controlled processing of liquid food
  • Viscosity-controlled processing of liquid food

Examples

Experimental program
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Embodiment Construction

[0042] figure 1 A production line is shown with a measuring device 1 for measuring the viscosity of liquid food products, a working device 2 for processing liquid food products, and on the one hand based on the measured viscosity values ​​and on the other hand based on stored data in a memory 4 Control device 3 for controlling the working device. In the example shown, the liquid food may be fruit juice, and the working device 2 may be a flash pasteurizer or an ultra high temperature (UHT) pasteurizer for fruit juice pasteurization. In the following, it will be further assumed that the working device 2 is a flash pasteurizer (FP) for heating fruit juice. Of course, the invention is not limited to working equipment 2 or liquid food products in this particular way.

[0043] The size of FP mainly depends on the viscosity of the liquid food to be processed. When it is supplied to the customer, the FP, can be a plate heat exchanger or a tube heat exchanger sized for a typical app...

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Abstract

The present invention relates to a method of controlling, by open-loop or closed-loop control, the processing of a liquid food product, comprising the steps of providing data that are obtained from mathematical modeling of the dependency of the viscosity of liquid food products on the shear rate, measuring the viscosity of the liquid food product to be processed at a predetermined shear rate at a measuring point, and controlling, by open-loop or closed-loop control, the processing of the liquid food product at a working device downstream of the measuring point in response to the viscosity measured at the measuring point and on the basis of the provided data.

Description

technical field [0001] The present invention relates to open-loop or closed-loop controlled processing of liquid food products, especially fruit or vegetable juices, wherein the viscosity of the latter has to be taken into account in the processing of liquid food products. Background technique [0002] In liquid processing, the viscosity of these liquids often plays an important role. For example, in conveying processes, viscosity must be considered as it affects boundary layer progression. The role of process technology, eg hydraulic transport with pumps, heat transfer technology, mixing processes, separation technology up to product filling, is decisively influenced by the viscosity of the liquid. Considering viscosity is especially important in processes related to the processing of liquid food products, such as fruit or vegetable juices, milk or beer. In the pasteurization of liquid food using flash pasteurizers, heat exchangers, such as heating plates or heating tubes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D24/02G05B13/04
CPCA23L3/003G01N11/00G01N2011/0046G01N11/14G05D24/02
Inventor 约克·扎卡里亚斯
Owner KRONES AG
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