Ultrasonic continuous sterilization device and method thereof

A sterilization device and ultrasonic technology, applied in the field of juice sterilization and ultrasonic continuous sterilization device, can solve the problems of high production cost, large energy consumption, small processing capacity, etc., and achieve the effects of simple structure, reduced production cost and high production efficiency.

Active Publication Date: 2010-10-13
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the application of ultrasonic technology to the sterilization process has attracted widespread attention, but in the existing technology, ultrasonic technology is generally used alone, and the use of ultrasonic technology alone to sterilize fruit and vegetable juices requires the use of higher ultrasonic power. Consumes a lot of energy, increases production costs, and has defects such as high production costs and excessive energy consumption
However, most of the research on the joint sterilization of ultrasound and other technologies is still in the laboratory stage, and the processing capacity is very sma

Method used

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  • Ultrasonic continuous sterilization device and method thereof
  • Ultrasonic continuous sterilization device and method thereof
  • Ultrasonic continuous sterilization device and method thereof

Examples

Experimental program
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Example Embodiment

[0053] Example 1

[0054] Figure 1 ~ Figure 6 Shows the specific structural schematic diagram of this embodiment, such as figure 1 As shown, the ultrasonic continuous sterilization device includes a controller, a raw material tank 1, a heating device 3, a heat exchange device 4, an ultrasonic processing device 6, a liquid storage device 9, a bracket 22, a bracket 2 47, and a bracket 3 50. The heating The device 3 is connected to the heat exchange device 4, and the raw material tank 1, the heat exchange device 4, the ultrasonic processing device 6 and the liquid storage device 9 are sequentially connected by pipes 2, 39, 5, 7, and 8; figure 1 As shown, the raw material tank 1 is fixed on the bracket one 22, the heating device 3 and the heat exchange device 4 are both fixed on the bracket two 47, and the ultrasonic processing device 6 and the liquid storage device 9 are both fixed on the bracket three 50. The controller is respectively connected to the heating device 3, the heat e...

Example Embodiment

[0089] Example 2

[0090] The other features of this embodiment are the same as those of embodiment 1 except for the following features: the flow rate of the material liquid between the raw material tank, the heating device, the heat exchange device, the ultrasonic processing device and the liquid storage device is all 60L / h;

[0091] In the step (2), the temperature of the hot water input from the heating device to the heat exchange device 4 is 80°C;

[0092] In the step (2), the feed temperature of the liquid material flowing into the heat exchange device is 10°C, and the temperature of the material liquid flowing out of the discharge port is 50°C; the heat exchange time of the material liquid in the heat exchange device Is 10min;

[0093] In the step (3), the dynamic ultrasonic sterilization time of the material liquid in the ultrasonic tank is 10 minutes.

[0094] In the step (2-2), the temperature of the hot water in the heating barrel is maintained at 80°C; in the step (2-3), the...

Example Embodiment

[0096] Example 3

[0097] The other features of this embodiment are the same as those of embodiment 1 except for the following features: the flow rate of the material liquid among the raw material tank, heating device, heat exchange device, ultrasonic processing device and liquid storage device is 120L / h;

[0098] In the step (2), the temperature of the hot water input from the heating device to the heat exchange device 4 is 95°C;

[0099] In the step (2), the feed temperature of the liquid material flowing into the heat exchange device is 20°C, and the temperature of the material liquid flowing out of the discharge port is 60°C; the heat exchange time of the material liquid in the heat exchange device 20min;

[0100] In the step (3), the dynamic ultrasonic sterilization time of the material liquid in the ultrasonic tank is 20 minutes.

[0101] In the step (2-2), the temperature of the hot water in the heating barrel is maintained at 95°C; in the step (2-3), the hot water is retained i...

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Abstract

The invention provides an ultrasonic continuous sterilization device, comprising a raw material tank, a heating device, a heat exchanging device, an ultrasonic processing device, a liquid storage device and a controller. The heating device is connected with the heat exchanging device. The raw material tank, the heat exchanging device, the ultrasonic processing device and the liquid storage device are sequentially connected through pipelines. The controller is respectively connected with the heating device, the heat exchanging device, the ultrasonic processing device and control valves on the pipelines. The ultrasonic processing device comprises an ultrasonic barrel, a plurality of ultrasonic probes, ultrasonic transducers and ultrasonic generators, wherein the ultrasonic transducers and the ultrasonic generators are arranged corresponding to the ultrasonic probes, the ultrasonic generators adopt different frequencies and are all arranged in the controller, and the ultrasonic probes are correspondingly distributed on the periphery of the ultrasonic barrel in a stagered junction mode. The invention also provides a method realized by the devices, i.e. feed liquid is firstly heated by the heat exchanging device, and then dynamic and continuous ultrasonic sterilization processing is carried out by the ultrasonic processing device. The invention adopts the technology combining low-temperature heating and ultrasonic processing, and has the advantages of good sterilization effect, high efficiency and the like.

Description

technical field [0001] The invention belongs to the technical field of liquid food sterilization, and in particular relates to an ultrasonic continuous sterilization device capable of continuous processing and a method thereof, which are used for the sterilization of fruit juice. Background technique [0002] At present, in the process of modern fruit and vegetable juice processing, high-temperature heating technology is generally used to achieve sterilization. However, the traditional high-temperature heating technology will cause varying degrees of damage to the nutritional components of food, especially the loss of heat-sensitive components. quality issues. In the prior art, ultrasonic sterilization technology is also used. The principle is that the cavitation effect generated by ultrasonic waves will have a huge impact on the cell structure and metabolism of microorganisms, thereby causing the death of microorganisms to achieve the effect of sterilization. At present, ...

Claims

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Application Information

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IPC IPC(8): A23L2/70
Inventor 李冰李琳王文宗严卓晟陈玲林鸿佳李晓玺刘国琴
Owner SOUTH CHINA UNIV OF TECH
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