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Method for evaluating wort filtration performance by grain size analysis

A filter performance and particle size analysis technology, applied in the field of beer brewing, can solve the problems that have not been reported

Active Publication Date: 2015-02-18
CHINA NAT RES INST OF FOOD & FERMENTATION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of science and technology, particle size analysis has been applied to many fields such as materials, energy, medicine, metallurgy, chemical industry, electronics, machinery, construction and environmental protection. The size is related to the wort filtration technology, and there are no other related reports

Method used

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  • Method for evaluating wort filtration performance by grain size analysis
  • Method for evaluating wort filtration performance by grain size analysis

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Experimental program
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Embodiment Construction

[0009] Using 30 types of malts that have undergone standard malting, the wort is prepared using the EBC protocol mashing method. And use a small analog filter equipment, filter at a temperature of 80°C and 0.1MPa, record the filtration volume at intervals of 1 second in the first 20 seconds, record the filtration volume at intervals of 1 minute thereafter, and record the total filtration volume and filter cake quality in 15 minutes. Draw the filtration curve within 20s according to the above records, and calculate the 200mL filtration time and 20s filtration performance F k20s (g 0.8 / s 0.2 ) and total filtration performance F k15min (g 0.8 / min 0.2 ).

[0010] Analytical method

[0011] Particle size analysis pair d 10 、d 50 、d 90 Perform statistical analysis, d 10 Indicates the particle size corresponding to 10% of the particle size distribution, d 50 Indicates the particle size corresponding to 50% of the particle size distribution, d 90 It is the particle size ...

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Abstract

The invention provides a method for evaluating wort filtration performance by grain size analysis. The method mainly comprises: wort filtration is carried out by the use of self-developed miniature filtration equipment; timing record of wort filtration amount is carried out, filtration amount (g) is recorded once in a minute and filtration time is 15 min; and total filtration performance of beer is calculated by EXCEL. In addition, grain size analysis is carried out by a Coulter counter and a particle analyzer, and grain size analysis of wort before filtration is carried out. Through larger amounts of data statistics and by MATLAB7.0, two-dimensional curve fitting is carried out on particle percent, volume percent and total filtration performance of beer, so as to obtain a correlation model between wort filtration performance and wort grain size analysis. The invention provides a new fast effective method for evaluating wort filtration performance.

Description

technical field [0001] The invention relates to two major sections of beer filtration and wort particle size analysis, and belongs to the field of beer brewing. Background technique [0002] Beer filtration includes two processes of wort filtration and beer clarification. Wort filtration performance is a key indicator for evaluating the speed of beer filtration. The better the filtration performance. Wort filtration is an important step in saccharification production. It is related to the appearance and taste of beer, as well as biological stability and non-biological stability. The success of this process will affect the subsequent production and determine the production capacity of the equipment. and production costs. Factors affecting wort filtration performance include operation (computer operation, etc.), filters such as diatomaceous earth, malt quality (β-glucan, etc.), and diatomite formula. Among them, malt quality is the factor that affects its filtration performa...

Claims

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Application Information

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IPC IPC(8): G01N33/14G01N15/02
Inventor 谷方红许举飞杨海存胡京奕王德良
Owner CHINA NAT RES INST OF FOOD & FERMENTATION IND CO LTD