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Wheat starch alcohol production method

A technology of wheat starch and production methods, applied in biofuels, fermentation, etc., can solve the problems of low alcohol concentration of fermented mash, high energy consumption of distillation, high energy consumption, etc., to achieve increased alcohol concentration, long residence time, and reduced energy consumption Effect

Inactive Publication Date: 2019-11-12
SUZHOU WANSHEN FLOUR PROD
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] In the existing alcohol production process, the energy consumption is too large, the heat energy required for high-temperature cooking accounts for about 30%-40% of the total energy consumption, and the alcohol concentration of the fermented mash is too low, resulting in high energy consumption for distillation

Method used

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Embodiment Construction

[0019] In order to make the implementation technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further elaborated.

[0020] A kind of wheat starch alcohol production method, comprises the following steps:

[0021] Step 1: Pretreatment, the raw materials are screened to remove impurities and transported into the mixing tank for mixing, adding liquefaction enzyme into the mixing tank, the amount of liquefying enzyme added is 7.5u / g raw material, wheat starch is hydrolyzed under the action of glucoamylase to generate glucose, Reduce slurry viscosity;

[0022] Step 2: Cooking and gelatinization, send the above-mentioned powder slurry into the precooking tank and heat it to 70-75 degrees, keep gelatinization for about 15 minutes, and then send it into the first cooking tank, the second cooking tank and the third cooking tank in sequence through the reciprocating pump Carry out continuous cooking, the mash...

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PUM

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Abstract

The present invention provides a wheat starch alcohol production method. A used medium temperature continuous cooking technology reduces energy consumption, is small in sugar loss, long in material residence time, relatively stable to master, easy to operate and not liable to block pipes, and reduces possibility of rancidity by fermentation micro-organism contamination much compared with a low-temperature cooking technology and a non-cooking technology. Raw materials are subjected to pulverizing, cooking and gelatinization, and saccharification steps. The production method improves content ofsaccharified mash, at the same time, a fermentation tank uses a manner of indirect, small-amount and multiple-time addition of the saccharified mash until the tank is full, and the production method reduces effects of foams on growth, reproduction and fermentation of yeasts and increases alcohol concentration.

Description

technical field [0001] The invention relates to the technical field of alcohol production, in particular to a method for producing wheat starch alcohol. Background technique [0002] In recent years, as the world's energy crisis has become more and more serious, people have tried to find new energy sources to replace petroleum; alcohol is a renewable energy source, and the existing alcohol production is generally made from starch as raw material fermentation, which is becoming more and more important in production and life. It shows broad development prospects. [0003] In the existing alcohol production process, the energy consumption is too large, the heat energy required for high-temperature cooking accounts for about 30%-40% of the total energy consumption, and the alcohol concentration of the fermented mash is too low, resulting in high energy consumption for distillation. Contents of the invention [0004] The technical problem solved by the present invention is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/06
CPCC12P7/06Y02E50/10
Inventor 马传路吕西军陈伟党钰马鹏举纵鑫
Owner SUZHOU WANSHEN FLOUR PROD
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