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Automatic multi-stage countercurrent extraction method of tea infusion

A countercurrent extraction and automatic extraction technology, applied in the field of beverage processing, can solve the problems of poor quality of tea juice, low concentration of tea juice, and low extraction efficiency, and achieve the effects of less labor, stable equipment operation, and shortened time.

Inactive Publication Date: 2012-09-12
JIANGNAN UNIV
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Problems solved by technology

[0002] Tea is one of the three famous beverages in the world. In addition to quenching thirst, clearing the mind, and diuretic, it also has a great effect on the prevention and convenience of diseases. For the extraction of tea juice, the traditional method adopts the general water immersion method Or the currently widely used single-stage countercurrent extraction method is not only time-consuming, but the extraction efficiency is low, and the concentration of the extracted tea juice is also low, and the tea juice is also mixed with tea powder, so the quality of the tea juice is poor

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  • Automatic multi-stage countercurrent extraction method of tea infusion
  • Automatic multi-stage countercurrent extraction method of tea infusion
  • Automatic multi-stage countercurrent extraction method of tea infusion

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Embodiment Construction

[0012] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0013] (1) Primary extraction: add softened water at 45-60°C at the water inlet, and the power of the water inlet is provided by a pipeline pump installed at the water inlet. When the water flow is stable, turn on the No. 1 screw propeller to make the tea powder (Entered from the feed end) flows to the No. 1 digging machine, and forms a countercurrent with the demineralized water. Because the propeller is spiral, the extraction tank can be divided into many small spaces, thus slowing down the flow rate of the water and prolonging the demineralized water and demineralized water. The contact time of tea powder, wherein, the No. 1 extraction tank maintains the water temperature T 1 constant, No. 1 screw propeller maintains propulsion speed n 1 constant.

[0014] (2) Secondary extraction: A 90° angle is formed between the pipeline connected to...

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Abstract

The invention discloses an automatic multi-stage countercurrent extraction method of tea infusion, belonging to the field of drink processing. The invention in particular relates to automatic drink processing production process control technology. The method is characterized in that a two-stage countercurrent extraction mode is adopted in the countercurrent extraction process of tea infusion to ensure softened water to be fully contacted with tea powder to obtain high-quality tea infusion. The method has the following beneficial effects: the time required by the tea infusion production process can be greatly shortened; the high-quality tea infusion can be obtained only through one cycle; the extraction efficiency is high; besides, the process parameters are easy to control, the equipment runs stably, less manpower is required in the whole process, the economic benefits are high and the method is beneficial to large-scale production.

Description

technical field [0001] The invention belongs to the field of beverage processing, and more relates to the automatic control technology of the beverage processing production process. Background technique [0002] Tea is one of the three famous beverages in the world. In addition to quenching thirst, clearing the mind, and diuretic, it also has a great effect on the prevention and convenience of diseases. For the extraction of tea juice, the traditional method adopts the general water immersion method Or the currently widely used single-stage countercurrent extraction method is not only time-consuming, but also has low extraction efficiency, and the concentration of the extracted tea juice is also low, and tea powder is also mixed in the tea juice, so the quality of the tea juice is poor. [0003] The invention discloses a multi-stage countercurrent automatic extraction method for tea juice, which provides a fast and stable method for producing high-quality tea juice. Conten...

Claims

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Application Information

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IPC IPC(8): A23F3/18
Inventor 潘丰于春海张相胜
Owner JIANGNAN UNIV
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