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A kind of preparation method and selected equipment of high-protein cotton meal

A technology of high-protein cottonseed meal and cottonseed is applied in the field of preparation of high-protein cottonseed meal, which can solve the problems of poor quality of cottonseed meal and low oil yield, and achieve the effect of improving the whole kernel rate of cottonseed

Active Publication Date: 2016-09-21
新疆泰昆蛋白科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the defects of poor quality of cottonseed meal and low oil yield in the existing cottonseed pre-pressing and leaching process at home and abroad, as well as the technical status quo that needs to be improved and solved urgently in terms of cottonseed hulling rate, screening and screw pressing equipment, this paper The purpose of the invention is to provide a high-protein cotton meal preparation method and selected equipment. By providing a cottonseed processing method for producing high-protein cotton meal and improving the oil yield and special equipment applicable thereto, the shelling efficiency is high and the preparation Produce high-quality high-protein cotton meal, the obtained high-protein cotton meal has crude protein content ≥ 52%, residual oil ≤ 1.0%, moisture content ≤ 9.0%, crude fiber ≤ 6.0%, crude ash content ≤ 7.5%, NSI value ≥ 65%, free cotton Phenol ≤ 800ppm, good technical effect

Method used

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  • A kind of preparation method and selected equipment of high-protein cotton meal
  • A kind of preparation method and selected equipment of high-protein cotton meal
  • A kind of preparation method and selected equipment of high-protein cotton meal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment one: the preparation of high-protein cotton meal

[0064] See attached figure 1 , the present invention provides a kind of preparation method of high-protein cotton meal, % is calculated by weight ratio w / w (kg / kg), and specific preparation method is as follows:

[0065] (1) Cottonseed delint and impurity removal: After the cottonseed has been processed to remove impurities and delint, the impurity content is less than 0.5%, and the cashmere content is less than 4%.

[0066] (2) Cottonseed peeling: The cleaned and removed cottonseed is evenly fed into the shelling roller through the frequency conversion feeding device, and the tooth angle of the first set of toothed rollers of the shelling roller is 40°-85°. The angle is the angle between the horizontal line and the inclined line, and the adjustment gap is 2.4-2.8mm; the tooth angle of the second set of toothed rollers is 35°-70°, the tooth angle is the angle between the horizontal line and the inclined lin...

Embodiment 2

[0076] Embodiment two: Cottonseed shell separation device

[0077] See attached Figure 2-3 , a kind of cottonseed shell separation device provided by the invention is specifically described as follows:

[0078] A cottonseed kernel shell separation device, the cottonseed shell separation device consists of a primary screen assembly, a selection screen assembly, a fan kernel shell separation assembly, a frame (16), and a screw conveying assembly (7). The primary screen assembly, selection screen assembly, blower kernel shell sorting assembly and screw conveying assembly (7) are fixedly connected through the frame (16), and the primary screen (1) is placed on the upper part of the frame (16); the selection screen The assembly consists of a grate screen (2), a vibrating motor (14), a motor base (15) and a damping spring (12); the fan shell sorting assembly consists of the first air inlet (5), the second air inlet ( 6), ventilation pipe (8), Shacron (9), air locker (10) and blow...

Embodiment 3

[0097] Embodiment 3: A screw squeezing device suitable for screw oil pressing equipment

[0098] See attached Figure 5-6 , the present invention adopts a kind of screw squeezing device suitable for screw oil pressing equipment to be specifically described as follows:

[0099] A snail squeezing device suitable for screw oil pressing equipment is mainly composed of a snail (17), a resistance ring (18), and a squeezing shaft (19). It is composed of 8 sets of snail squeezing units with an even number of segments. The first snail The unit to the sixth snail squeezer unit are respectively provided with lining rings and squeeze snails, and two resistance rings (18) are respectively welded on the last two snail squeezer units near the left, that is, the seventh to eighth snail squeezer units.

[0100] In the present invention, the compression ratio is adjusted to: the first snail pressing unit 0.9-1.1, the second snail pressing unit 1.64-1.66, the third snail pressing unit 2.77-2.79...

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Abstract

The invention discloses a preparation method for high protein cottonseed meal and a selected device therefor. The preparation method includes delinting cottonseeds, removing impurities of the cotton seeds, and husking; feeding into a husking roller uniformly by a variable frequency feeding device, putting the mixture of husks and kernels after husking into a cottonseed kernel and husk separation device, putting the fine selected cotton kernel into a double-roller flaking device, then putting into a layered cooker for wetting, steaming, frying to obtain cooked flakes, wherein a medium-temperature medium-wet technology is adopted in the steaming and frying step, so that the protein denaturation is avoided to the greatest extent while the free gossypol content is effectively reduced. Meanwhile a press screw device applicable to the cottonseed kernel and husk separation device and a spiral oil press is provided, so that the cottonseed husking efficiency is high, the prepared high protein cottonseed meal is high in quality, the prepared high protein cottonseed meal has the crude protein content of not less than 52%, the bottom oil of not more than 1.0%, the moisture of not more than 9.0%, the crude fiber of not more than 6.0%, the crude ash of not more than 7.5%, the NSI value of not less than 65% and the free gossypol of not more than 800ppm, and is wide in application and promotion values.

Description

technical field [0001] The invention relates to the technical field of deep processing of oil crops. Specifically, the present invention relates to a method for preparing high-protein cotton meal and the technical field of selecting equipment. Background technique [0002] Cottonseed is an oil plant with high protein and oil content. In recent years, my country's animal husbandry and feed industry have developed very rapidly. Protein is the main raw material for feed and protein raw materials are scarce in my country. At present, the total demand for protein raw materials is 46 million tons, and the supply gap is more than 20 million tons per year, which requires a large amount of imports. [0003] Cottonseed is an oil plant with high protein and oil content. In 2013, the domestic cottonseed output was about 9 million tons, and Xinjiang's output was about 5 million tons. As a cotton-producing area, it ranks first in the country in terms of total output, per unit area yield...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23N17/00A23K10/37B07B9/00B30B9/12B30B15/00
CPCY02P60/87
Inventor 段茂君韩远广詹晓强季銮杰崔胜成
Owner 新疆泰昆蛋白科技股份有限公司
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