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Continuous wort oxygenating method and oxygenating device thereof

A technology of wort and venturi tube, which is applied in the field of wort continuous oxygenation method and oxygenation device, can solve the problems of uneven wort oxygenation method and lower higher alcohol content, and achieve easy control and implementation, flexibility Strong, drinkability-enhancing effect

Pending Publication Date: 2020-05-05
广州南沙珠江啤酒有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Based on this, it is necessary to provide a continuous oxygenation method for wort to solve the problem of uneven oxygenation in the existing wort oxygenation method, which can reduce the content of higher alcohols in beer and improve the flavor consistency of beer by adopting continuous and uniform oxygenation throughout the process

Method used

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  • Continuous wort oxygenating method and oxygenating device thereof
  • Continuous wort oxygenating method and oxygenating device thereof
  • Continuous wort oxygenating method and oxygenating device thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0036] The invention relates to a method for continuous oxygenation of wort. A wort oxygenation device is used to oxygenate the wort, and after the oxygenation, the wort is fermented in a fermenter. According to production requirements, 5 pots of wort were put into the fermenter. Yeast was added to the first pot when it was cooling, and yeast was not added to the remaining 4 pots. Each pot of wort needed constant oxygenation before feeding. In this example, Set the wort flow rate to 100m 3 / h, the compressed air flow rate is 4.0m 3 / h.

[0037] The wort continuous oxygenation device includes a compressed air system, a cooling system, a wort system, a steam system and a control system.

[0038]The compressed air system includes a pressure stabilizing device 101 , a compressed air flow meter 104 and a compressed air regulating valve 105 connected in sequence through a compressed air pipeline 100 . The voltage stabilizing device 101 includes a pressure probe 1011, a regulating...

experiment example 1

[0052] Adopt the method of embodiment 1 to carry out oxygenation to three saccharification lines, detect the amount of oxygenation per unit volume of wort, the result is as shown in table 1:

[0053] Table 1. Oxygenation of wort per unit volume in different saccharification lines

[0054]

[0055] As can be seen from Table 1, the oxygenation amount per unit wort volume of the three saccharification lines is basically the same, indicating that the oxygenation method of the present invention is constant in oxygenation.

experiment example 2

[0057] The heating days of wort fermentation in each of the 50 fermenters were counted, and the average heating days were calculated. The results are shown in Table 2:

[0058] Table 2. Fermentation heating days

[0059]

[0060] The number of days of heating up can indirectly characterize the rate of sugar reduction in the fermentation process. The rate of sugar reduction is mainly affected by the amount of yeast added, the activity of yeast, and the amount of oxygenation. influences. As can be seen from Table 3, the heating days of Example 1 are slightly higher than that of Comparative Example 1.

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Abstract

The present invention provides a continuous wort oxygenating method and an oxygenating device thereof, and relates to the technical field of beer production. The continuous wort oxygenating method always keeps Venturi tubes and a wort pipeline behind the Venturi tubes to be in low-pressure, yeasts are added into a first pot of wort, besides, the wort is oxygenated constantly in the whole process,and the method can significantly reduce content of higher alcohols and total alcohol in beer, and improves flavor consistency of the beer. The wort oxygenating device comprises a compressed air system, a cooling system, a wort system and a control system. The device is applied to the continuous oxygenating method and beneficial to keeping stable state of the wort and oxygenation in the whole process, and improves the flavor consistency of the beer.

Description

technical field [0001] The invention relates to the technical field of beer production, in particular to a wort continuous oxygenation method and an oxygenation device. Background technique [0002] Oxygenation of wort is one of the essential processes in beer brewing. Oxygenation can make the yeast live quickly, and the yeast uses oxygen for aerobic respiration and rapid value-added. When the value increases to a certain amount, the yeast starts to carry out anaerobic fermentation, which converts the fermentable sugar in the wort into alcohol and carbon dioxide, and synthesizes a variety of flavor substances such as higher alcohols and esters. In large-scale production, the fermenter generally consists of more than 4 pots of wort. The wort oxygenation process has a great influence on the aerobic value-added of yeast and the flavor components of the fermentation broth, especially the content of higher alcohols. The wort oxygenation process has always been one of the key co...

Claims

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Application Information

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IPC IPC(8): C12C7/26C12C7/28C12C11/02
CPCC12C7/26C12C7/28C12C11/02
Inventor 杨青蔡少彬张晓辉陈华张霞
Owner 广州南沙珠江啤酒有限公司
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