Baijiu fermentation method

Abstract

The invention relates to the field of Baijiu production and in particular discloses a Baijiu fermentation method. A fermentation device is used for fermenting; the fermentation device comprises a rack, a fermentation barrel, a stirring mechanism and a filtering mechanism, wherein the stirring mechanism comprises a motor, a stirring shaft and a stirring part; a feeding opening is formed in the fermentation barrel; a hydraulic jack is fixed on the rack; the fermentation barrel is fixed on a push rod of the hydraulic jack; a containing cavity is formed in the bottom of the fermentation barrel; the upper end of the stirring shaft penetrates through the top of the fermentation barrel; a liquid outlet is formed in the lower part of the fermentation barrel; a draught fan is fixed on an outer wallof the fermentation barrel; the draught fan is communicated with the upper part of the fermentation barrel and a circulating pipe is fixed at an air outlet end; the circulating pipe can be communicated with the liquid outlet; a cooling pipe sleeves the periphery of the circulating pipe; the filtering mechanism comprises a filtering screen; a sliding groove is formed in the stirring shaft; slidingblocks are fixed at the inner periphery of the filtering screen. The Baijiu fermentation method comprises the following steps: (1) selecting materials; (2) steaming the materials and spreading for cooling; (3) adding distiller's yeast; (4) fermenting; (5) discharging wine. According to the Baijiu fermentation method disclosed by the invention, a condition that the aroma of Baijiu is reduced can be prevented.

Description

technical field [0001] The invention relates to the field of liquor production, in particular to a liquor fermentation process. Background technique [0002] Fen-flavor liquor is one of the four major fragrance liquors in my country. The liquor is colorless, clear and transparent, without suspended matter or sediment. favorite. Fen-flavor liquor is mainly made from grains such as sorghum, and fermented with medium-temperature Daqu made from barley and peas as a saccharification starter. Liquor is fermented by yeast. At the beginning of fermentation, oxygen will be introduced into the fermentation device to promote the proliferation of yeast, and then maintain an anoxic state to promote anaerobic respiration of yeast to produce alcohol. The fermented stock solution of Fen-flavor liquor needs to be filtered for many times to remove impurities, but the aroma substances in the stock solution are likely to volatilize during the filtration process, and the aroma of the liquor is ...

AI Technical Summary

Problems solved by technology

The fermented stock solution of Fen-flavor liquor needs to be filtered for many times to remove impurities, but the aroma substances in the stock solution are likely to volatilize during the filtration process, and the aroma of the liquor is reduced; Filtration, the filtered yeast is separated from the raw material and cannot be fermented, so the fermentation speed of the raw material is slowed down and the fermentation efficiency is reduced

Images