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A protein processing method in starch production

A processing method and protein technology, which are applied in the field of corn starch production, can solve the problems of protein loss, reduce protein yield, increase the protein content of commercial starch, and achieve the effects of improving yield and quality, improving enterprise benefits and reducing production costs.

Active Publication Date: 2017-06-30
WEIFANG SHENGTAI PHARM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this production process, the powder milk liquid from the twelve-stage cyclone directly enters the liquefaction production process of starch sugar or enters the dehydration and drying process. Since the protein content of the powder milk after passing through the twelve-stage cyclone scrubber is still maintained at 0.45 %, leading to a large loss of protein, reducing the protein yield, increasing the protein content of commercial starch, reducing the quality of commercial starch, and increasing the cost of starch production; and it has a negative impact on the subsequent deep processing of starch sugar, which seriously affects the enterprise. economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] a. Transport the sieved corn puree to a separator for protein separation, and the separated protein enters a gluten concentration process to obtain a gluten solution;

[0028] b. The crude starch milk is subjected to cyclone separation to obtain starch milk, and the separated protein enters the separation process;

[0029] c. Ventilate the starch milk, the ventilation pressure is 0.05-0.1Mpa, and the bubble size is controlled at 10-50 microns to obtain refined starch milk and protein-rich solution recyclate, and the refined starch milk enters the starch sugar production process or through dehydration, Dried to make starch products; the protein content of refined milk powder is 0.33%.

[0030] d. Transfer the recovered protein-enriched solution in step c to the corn puree in step a, and repeat steps a to c.

[0031] e. The protein content of the refined milk powder after the detection step d has been circulated 10 times is 0.33%.

Embodiment 2

[0033] a. Transport the sieved corn puree to a separator for protein separation, and the separated protein enters the gluten concentration process to obtain crude starch milk;

[0034] b. Swirl the crude starch milk to obtain starch milk, and the separated protein enters the gluten concentration process;

[0035] c. Ventilate the starch milk, the ventilation pressure is 0.05-0.1Mpa, and the bubble size is controlled at 50-200 microns to obtain refined starch milk and protein-rich solution recyclate, and the refined starch milk enters the starch sugar production process or through dehydration, Dried to make starch products; the protein content of refined milk powder is 0.32%.

[0036] d. Transfer the recovered protein-enriched solution in step c to the crude starch milk in step b, and repeat steps b to c.

[0037] e. The protein content of the refined powdered milk after 20 cycles of detection step d is 0.32%.

Embodiment 3

[0039] a. Transport the sieved corn puree to a separator for protein separation, and the separated protein enters the gluten concentration process to obtain crude starch milk;

[0040] b. Swirl the crude starch milk to obtain starch milk, and the separated protein enters the gluten concentration process;

[0041] c. The starch milk is subjected to aeration treatment, the aeration pressure is 0.05-0.1Mpa, and the bubble size is controlled at 200-500 microns to obtain refined starch milk and protein-rich solution recyclate, and the refined starch milk enters the starch sugar production process or through dehydration, Dried to make starch products; testing refined powder milk, its protein content is 0.34%.

[0042] d. Transfer the recovered protein-enriched solution in step c to the corn puree in step a, and repeat steps a to c.

[0043] e. The protein content of the refined milk powder after 15 cycles in the detection step d is 0.34%.

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Abstract

A protein processing method in starch production is disclosed. According to the method, starch milk obtained through cyclone separation is processed by feeding micro bubbles into the starch milk, and a protein-rich solution recovered matter is collected, is returned to the previous protein processing step and is processed. Proteins in a starch milk cleaning step are removed in one step by the method. The method can reduce the protein content of the starch milk, increases the yield of protein powder, improves product quality, and reduces the production cost of each ton of starch.

Description

technical field [0001] The invention relates to the field of cornstarch production, in particular to a protein treatment method in starch production, which is mainly to further remove the protein in the cleaning process of starch milk. Background technique [0002] At present, corn starch processing enterprises generally adopt the wet grinding process for production. In the wet grinding process, the corn starch is coarsely ground and finely ground and then enters the separator for protein separation to obtain crude starch milk. However, the crude There is still a small amount of protein in starch milk, so it must be washed with tap water in a cyclone washer. At present, 12-stage cyclone washer is generally used in production. In this production process, the powder milk liquid from the twelve-stage cyclone directly enters the liquefaction production process of starch sugar or enters the dehydration and drying process. Since the protein content of the powder milk after passing...

Claims

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Application Information

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IPC IPC(8): C08B30/04
CPCC08B30/044
Inventor 刘伟杰景栋张圣军秦玉国张健赵长礼聂鹏刘国君赵延超刘超
Owner WEIFANG SHENGTAI PHARM CO LTD
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