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Cottonmeal processing system and technology

A processing system and cottonseed meal technology, applied in food processing, food science, feed, etc., can solve the problems of liver and male reproductive system damage, limit the wide application of protein resources, reduce the absorption efficiency of cottonseed protein, etc., and achieve the reduction of cottonseed meal toxicity , The process is simple and practical, and the effect is good

Pending Publication Date: 2021-06-04
刘庆锋 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, several traditional cottonseed processing techniques, whether it is pre-pressing leaching or puffing leaching, have product defects, such as low water-soluble nitrogen index, high free gossypol, and color differences.
The content of free gossypol in cottonseed meal processed by traditional puffing and extraction is high (about 1000ppm), which reduces the utilization rate of amino acids in the diet, affects the hematopoietic function of livestock and poultry, hinders the growth of animals, and is not easy to remove itself. As feed, it is beneficial to livestock and poultry. The liver and the male reproductive system are greatly damaged, and at the same time, it also affects the reproductive function of animals, and even causes animal infertility, which limits its wide application as a protein resource.
In addition, the excessive processing of traditional cottonseed pre-pressing results in a low protein water-soluble nitrogen index (about 50%), which affects the nutrition of protein, reduces the absorption efficiency of cottonseed protein, and wastes cottonseed protein resources.

Method used

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  • Cottonmeal processing system and technology
  • Cottonmeal processing system and technology

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Experimental program
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Effect test

Embodiment 1

[0031] A cotton meal processing system, including a seed cleaning machine, a sheller, an auger continuous beating screen, a 5-layer vertical conditioner I, a horizontal softening pot, a hydraulic double-roll flaking machine, an extruder, a curing device, and a scraper Plate extractor, oil storage tank, dryer, desolventizer and 5-layer vertical conditioner II; the extruder adopts fixed template, twin-screw, and the membrane hole diameter is Φ6mm;

[0032] After being cleaned by the seed cleaning machine, the cottonseed enters the entrance of the sheller for shelling, and then the shells and kernels enter the entrance of the auger for continuous beating and screening. After separation, the cottonseeds enter the entrance of the 5-layer vertical conditioner I for conditioning, and then enter the The softening treatment at the entrance of the horizontal softening pot, after softening, it enters the entrance of the hydraulic double-roll rolling machine for rolling, and the rolled fla...

Embodiment 2

[0034] The invention provides a process and equipment scheme that can reduce the content of gossypol as follows.

[0035] According to the 300-ton cottonseed processing line in Xinjiang, the processed materials enter the 5-layer vertical conditioner for multi-layer conditioning (heating, adding water) treatment, and the temperature is 80°C and the moisture content is 16 %, the time is 10 minutes, which is conducive to the conversion of gossypol into bound gossypol as soon as possible, and the phospholipid absorbs water and combines with gossypol as soon as possible to reduce protein loss. Heating and precipitation, the softened material temperature is 95°C, water content is 9%, softening time is 20 minutes, the thickness of the billet is 0.25mm, and the qualified flakes enter the extruder evenly and stably, the extruding temperature is 115°C, the water content is 8%, and the pressure is 40Mpa. The puffing machine adopts a fixed template, the die hole is Φ6mm, and the flakes ar...

Embodiment 3

[0038] The present invention also provides a process and equipment scheme for increasing the water-soluble nitrogen content of cottonseed meal. The water-soluble protein is denatured by heat, so the processing conditions are selected to be less exposed to high temperature, and the high temperature condition is short-lived. The specific processing conditions are as follows:

[0039]According to a cottonseed processing line with a daily processing capacity of 300 tons, the strength of peeling should be increased as much as possible when peeling. The material enters the conditioner and is tempered for 10 minutes at a low temperature of 80°C. After conditioning, the material enters the softening pot and raises the temperature to 100°C, reduce the moisture content of the material by 9%, softening time for 10 minutes, adjust the plasticity and toughness of the material to facilitate rolling, the thickness is 0.25mm, the adjusted material enters the extruder, short-term high temperatur...

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Abstract

The invention provides a high-quality puffed cottonseed meal processing system and process. The cottonmeal processing technology comprises the following steps: cottonseed selection, shelling, tempering and softening, puffing, curing, leaching, desolventizing and re-tempering. The cottonseeds enter a puffing machine after tempering and softening and are puffed under a high-pressure condition, low-temperature extraction and desolventizing are performed after puffing, and natural active substances in the cottonseeds are retained greatly. The cottonseed meal produced by the technology is good in condition, light in color, low in free gossypol content (below 500 ppm), high in water-soluble nitrogen index (above 75%) and low in protein denaturation, original ecological protein is reserved as much as possible, the purpose of reducing the toxicity of the cottonseed meal is achieved, the cottonseed meal addition amount and the unit cottonseed meal absorptivity in the feed industry are improved, and the effectiveness of the cottonseed meal is enhanced.

Description

technical field [0001] The invention relates to the technical field of cotton meal processing, in particular to a high-quality expanded cotton meal processing system and process. Background technique [0002] China is a major cotton-producing country in the world. According to statistics, it is expected to produce more than 6 million tons of cotton and more than 6 million tons of cottonseed in 2020. Cottonseed is used for oil extraction and extraction to obtain more than 2 million tons of cottonseed meal. The quality of cottonseed protein is similar to that of beans. Protein, its nutritional value is higher than that of soy protein. From the amino acid composition of cottonseed protein, except that methionine is slightly lower, the rest of the essential amino acids meet the standards recommended by the Food and Agriculture Organization of the United Nations (FAO), so cottonseed protein is a good protein food and feed resource. It can be used to replace fish meal and soybean...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/37A23N17/00
CPCA23K10/37A23N17/00Y02P60/87
Inventor 刘庆锋马丽
Owner 刘庆锋
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