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Method for producing vinegar by liquid spraying fermentation tower with non-woven fabric filling system

A technology of liquid pouring fermentation and non-woven fabrics, applied in the fields of textiles, microorganisms, food and beverages, and fermentation, can solve the problems of increasing production costs, time-consuming, and the inability of liquid pouring vinegar to be recycled for a long time, so as to save costs. , the effect of improving the unit utilization rate

Inactive Publication Date: 2013-12-04
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even so, the filler must be replaced, and the replacement of the filler is not only time-consuming, labor-intensive, increases production costs, but also pollutes the environment
At present, this harmful phenomenon is common in domestic and foreign vinegar liquid pouring fermentation production, which is the main factor affecting the long-term cycle production of liquid pouring vinegar fermentation production

Method used

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  • Method for producing vinegar by liquid spraying fermentation tower with non-woven fabric filling system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028](1) Liquefaction of raw materials: Take 1000kg of rice, add 1500kg of water, soak for 6 hours, and grind it into slurry by grinding wheel.

[0029] (2) Alcoholic fermentation: Add 3kg of amylase to the slurry, raise the temperature to 92°C, keep it warm for 15 minutes, boil it, and pump it into the alcohol fermentation tank. Add water to adjust the concentration to 9.5°Bé and adjust the temperature to 32°C. Add 2.4 kg of 50,000 units / g of glucoamylase and 2 kg of active dry yeast, mix well, and ferment at 30-34°C for 5 days.

[0030] (3) Plate and frame filter press: the fermented wine mash is filtered through a plate and frame to obtain sake liquid.

[0031] (4) Acetic acid fermentation: add water to the above-mentioned sake liquor to adjust the alcohol content to 6.5% (v / v), insert 800kg of acetic acid bacteria (AS1.41), and spray the filler system made of non-woven fabrics intermittently after sterilization On the top, let the filling material absorb a large amount ...

Embodiment 2

[0043] (1) Raw material liquefaction: take 1000kg of corn, add 1500kg of water, soak for 6 hours, and grind it into slurry by grinding wheel.

[0044] (2) Alcoholic fermentation: Add 3kg of amylase to the slurry, raise the temperature to 92°C, keep it warm for 15 minutes, boil it, and pump it into the alcohol fermentation tank. Add water to adjust the concentration to 9.5°Bé and adjust the temperature to 32°C. Add 2.4 kg of 50,000 units / g of glucoamylase and 2 kg of active dry yeast, mix well, and ferment at 30-34°C for 5 days.

[0045] (3) Plate and frame filter press: the fermented wine mash is filtered through a plate and frame to obtain sake liquor.

[0046] (4) Acetic acid fermentation: add water to the above-mentioned sake liquor to adjust the alcohol content to 6.5% (v / v), insert 800kg of acetic acid bacteria (AS1.41), and spray the filler system made of non-woven fabrics intermittently after sterilization On the top, let the filler absorb a large amount of fermentati...

Embodiment 3

[0051] Different from Example 1, the diameter of the rollers is 0.02 meters, and the distance between the two rollers is 10 meters.

[0052] The non-woven fabric is a glass fiber non-woven fabric with a thickness of 3 mm, and the filling volume is 1 / 20 of the volume of the tower.

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Abstract

A method for producing vinegar by a liquid spraying fermentation tower with a non-woven fabric filling system is disclosed. The liquid spraying fermentation tower filled with non-woven fabric is employed in a fermentation step. The liquid spraying fermentation tower filled with non-woven fabric comprises a tower body, wherein a return spray plate is disposed on the top portion in the tower body, a non-woven fabric filling system is disposed on the upper portion in the tower body, a fermentation liquid is disposed on the lower portion of the tower body, and a false bottom is disposed between the filling system and the fermentation liquid. The non-woven fabric filling system comprises a roller disposed in the tower and non-woven fabric wound on the roller, one end of the non-woven fabric is connected with an unreeling apparatus and the other end of the non-woven fabric is connected with a winding apparatus. The non-woven fabric filling system is employed and the orientation movement of the non-woven fabric is utilized, so that Haiyue produced by fermentation production of liquid sprayed vinegar, which means bacterial cellulose and bacterial cellulose membrane system aggregated thereby, is taken away. The method helps to thoroughly solve the problem that the membrane blocks the gaps in the filler and then the fermentation production of vinegar is terminated because of the failure of normal flow of the air and the fermentation liquid.

Description

technical field [0001] The invention relates to the industries and fields of microbes, fermentation, textiles, food and beverages, and in particular to a method for producing vinegar using a liquid pouring fermentation tower with a non-woven fabric packing system. Background technique [0002] The fermentation of vinegar in my country can be divided into three major biochemical processes: glucoamylase hydrolysis, alcoholic fermentation and acetic acid fermentation. These three major processes can be liquid or solid. In our country's traditional crafts, these three processes are all liquid, such as Yongchun red yeast rice vinegar, Jiangsu and Zhejiang rose vinegar, etc., and some are all solid, such as Sichuan Baoning vinegar and Sichuan boiled vinegar. At present, all solid-state fermentation is widely used in urban vinegar factories. In addition, there are Shanxi old mature vinegar and Zhenjiang fragrant vinegar, which have the longest history of liquid enzymatic saccharifi...

Claims

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Application Information

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IPC IPC(8): C12J1/04C12J1/10
Inventor 张迎晨吴红艳
Owner ZHONGYUAN ENGINEERING COLLEGE
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