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Lees protein feed production method

A technology of distiller's grain protein feed and production method, which is applied in animal feed, animal feed, application, etc., and can solve problems such as poor quality of DDGS

Inactive Publication Date: 2015-05-27
COFCO NUTRITION & HEALTH RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the invention is to provide a production method capable of producing high-quality DDGS feed in order to overcome the poor quality of DDGS produced by the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] This example is used to illustrate the production method of distiller's grain protein feed provided by the present invention.

[0059] First drying step:

[0060] The wet distiller's grains with a water content of 72% by weight were pre-dried until the water content of the wet distiller's grains was 39.5% by weight to obtain a first material. And the feed port 1 of the first tube bundle dryer is transported to the first tube bundle dryer 2 for the first drying. The conditions of the first drying include: the temperature is 160°C, the time is 3min, and the water content is 12% by weight. Dry the product first.

[0061] Second drying step:

[0062] 20% by weight of the first dry product is mixed with DDS with a water content of 50% by weight (the water content of DDS pre-concentrated to 50% by weight in the evaporator concentrator) is mixed to obtain the second material, and passed through the first tube bundle dryer and The auger connection part 4 of the second tube b...

Embodiment 2

[0065] This example is used to illustrate the production method of distiller's grain protein feed provided by the present invention.

[0066] First drying step:

[0067] The wet distiller's grains with a water content of 72% by weight and the first dried product with a water content of 12% by weight prepared in the first drying step of Example 1 are mixed through the back-mixing part 3 of the first tube bundle dryer to obtain the first material. Based on 100 parts by weight of the wet distiller's grains, the amount of the first dried product is 115 parts by weight, and the water content of the first material after mixing is 40% by weight. And the feed port 1 of the first tube bundle dryer is transported to the first tube bundle dryer 2 for the first drying. The conditions of the first drying include: the temperature is 160°C, the time is 3min, and the water content is 12% by weight. Dry the product first.

[0068] Second drying step:

[0069] 20% by weight of the first drie...

Embodiment 3

[0072] This example is used to illustrate the production method of distiller's grain protein feed provided by the present invention.

[0073] First drying step:

[0074] The wet distiller's grains with a water content of 70% by weight and the first dried product with a water content of 12% by weight prepared in the first drying step of Example 1 are mixed through the back-mixing part 3 of the first tube bundle dryer to obtain the first material. Based on 100 parts by weight of the wet distiller's grains, the amount of the first dried product is 150 parts by weight, and the water content of the first material after mixing is 35% by weight. And the feed port 1 of the first tube bundle dryer is transported to the first tube bundle dryer 2 for the first drying. The conditions of the first drying include: the temperature is 170 ° C, the time is 4 minutes, and the water content is 7% by weight. Dry the product first. After stable operation, the material in the back-mixing part of ...

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Abstract

The present invention discloses a lees protein feed production method, which comprises a first drying step and a second drying step, wherein the first drying step and the second drying step are sequentially performed, the first drying step is used for drying a first material containing wet lees so as to obtain a first drying product, the second drying step is used for drying a second material, and the second material contains the first drying product and a soluble syrup. With the technical scheme, the DDS drying time is substantially shortened, and the production capacity is ensured while the quality of the final product DDGS feed is increased.

Description

technical field [0001] The invention relates to a production method of distiller's grain protein feed. Background technique [0002] Distiller's grains protein feed (DDGS) is the waste mash produced by corn processing to produce alcohol (including edible alcohol, industrial alcohol, and fuel ethanol), which is centrifuged and dried. According to statistics, every ton of alcohol produced will produce 13-15 tons of waste mash, the chemical oxygen demand (COD) of distiller's grains is as high as 50,000 mg / L, and the biological oxygen demand (BOD) is as high as 30,000 mg / L, which greatly exceeds The national standard (GB18918-2002) stipulates that the COD350mg / L and BOD200mg / L emission standards of the alcohol industry, if forcibly discharged directly into the water body, will seriously pollute the water source and damage the surrounding ecological environment. Therefore, after evaporating and concentrating corn distiller's grains waste liquid and then drying it, we can obtain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/00
Inventor 吕品林旭琦郝长春刘海滨刘辉郭福阳宋文平
Owner COFCO NUTRITION & HEALTH RES INST
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