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Reversed flow slurry circulation immersion technique in corn starch process

A technology of corn starch and cyclic soaking, which is applied in the field of corn deep processing, can solve the problems of non-separation, low total output rate of corn starch factory, and influence on the total output rate, so as to reduce maintenance costs, reduce production time and energy consumption, and reduce processing Effect

Inactive Publication Date: 2012-05-09
窦金玉
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Problems solved by technology

The production principle and equipment of corn starch are basically the same, but if corn starch is produced simply by using the starch production method and equipment of existing starch factory to produce corn starch, it will lead to the following disadvantages: the total output rate of corn starch factory is low, only It reaches about 90%, and the acidity in the starch is much higher than the national standard
In corn granules, due to its unique molecular structure, starch and protein are closely connected. The conventional static soaking method cannot separate them effectively, which directly affects the improvement of the total yield, which can only reach about 90% of the total yield.

Method used

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  • Reversed flow slurry circulation immersion technique in corn starch process
  • Reversed flow slurry circulation immersion technique in corn starch process

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Embodiment Construction

[0008] Such as figure 1 As shown, the corn is soaked in a soaking tank, the temperature of the soaking slurry is 48-50 degrees, the soaking time is 48-52 hours, the soaking slurry is composed of sulfurous acid and water with a concentration of 0.16%-0.18%, and the soaking tank is set There are multiple and interconnected. During the soaking process, the corn flows and circulates in the soaking tank, and the circulation process is: soaking slurry and corn are placed in the soaking tank 6, the corn pump and the heating pump are started, and the corn pump circulates the soaking slurry and corn in the soaking tank from the corn The pipe inlet 10 is inhaled, and the corn and soaking slurry enter the soaking tank 6 from the corn circulating pipe outlet 4 at the top of the soaking tank 6 through the corn circulation pipe 3, and circulate repeatedly, and the heating pump transfers the soaking slurry in the soaking tank 6 from the soaking slurry Inlet 8 is sucked into soaking tank fro...

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Abstract

The invention discloses a countercurrent slurry cyclic immersion process used in cornstarch processing, which is characterized in that the process comprises the steps of immersing corn into a plurality of immersion tanks containing immersion slurry for 48-52 hours, wherein the immersion slurry is composed of 0.16-0.18% sulfurous acid and water, and has temperature of 48-50DEG C; and the pluralityof immersion tanks communicate with each other. The corn is cyclically immersed in the immersion tanks, instead of the conventional stationary corn immersion. By cyclic immersion of the corn, the endosperm of the corn is effectively swollen, and the total starch yield is improved.

Description

technical field [0001] The invention belongs to the technical field of corn deep processing. Background technique [0002] Corn starch is a natural polymer material with unique properties. It is widely used in high-grade food, pharmaceutical and other materials, and its economic benefits are very significant. The production principle and equipment of corn starch are basically the same, but if corn starch is produced simply by using the starch production method and equipment of existing starch factory to produce corn starch, it will lead to the following disadvantages: the total output rate of corn starch factory is low, only It reaches about 90%, and the acidity in the starch is much higher than the national standard. The production time per unit of output is long, and the cost of the product is high. The specific analysis is as follows: Because the basic process of corn starch production is: soak the raw corn, coarsely crush it to separate the germ, then finely crush it t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B30/02
Inventor 窦金玉
Owner 窦金玉
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