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Seed-skin separating method achieved through impacting way

A separation method and seed technology, which is applied in the field of impact method seed skin separation, can solve the problems of high cost and high energy consumption, and achieve the effect of improving quality, increasing yield and reducing energy consumption

Active Publication Date: 2013-11-20
XINJIANG ZHONGJU GRAIN & OIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a method for separating seed skins by impact method, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the existing technology for separating tomato seed skins. There are problems of high energy consumption and high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1, according to the following steps: the first step, the tomato seed skin mixture is squeezed to obtain dry material and tomato juice with a mass moisture content of 22% to 25%; the second step, the dry material is dried once The primary dry material with a temperature of 90°C to 130°C and a moisture mass content of 12% to 15% is obtained, and the primary dry material is separated from the skin and seeds in a centrifugal impactor. 3500r / min, the material separated by the centrifugal impactor is subjected to secondary drying to obtain secondary dry materials with a temperature of 90 ℃ to 130 ℃ and a moisture content of 8% to 10%; The dry material is sorted by a vibrating sieve to obtain a mixture of husk residue and seed skin. There are tomato seeds and tomato skin in the seed skin mixture. The seed skin mixture is subjected to secondary sorting to obtain seeds, skin and powder. The seeds are the finally separated tomato seeds, and the large skin residue obt...

Embodiment 2

[0015] Embodiment 2, this impact method seed skin separation method is carried out according to the following steps: the first step, the tomato seed skin mixture is squeezed to obtain dry material and tomato juice with a mass moisture content of 22% or 25%; the second step, Dry the dry material once to obtain the primary dry material with a temperature of 90°C or 130°C and a moisture content of 12% or 15%. The primary dry material is separated from the skin and seeds in a centrifugal impactor. The rotating speed is 2500 r / min or 3500 r / min, and the materials separated by the centrifugal impactor are subjected to secondary drying to obtain secondary dry materials with a temperature of 90 ° C or 130 ° C and a moisture content of 8% or 10%; In the third step, the secondary dry material is sorted through a vibrating sieve to obtain a mixture of husk residue and seed skin. There are tomato seeds and tomato skin in the seed skin mixture. The seed skin mixture is subjected to second...

Embodiment 3

[0016] Embodiment 3, as a preference of the above-mentioned embodiment, the drying temperature when the dry material is dried once in the second step is 100°C to 120°C; or / and, the material separated by the centrifugal impactor is subjected to secondary drying The drying temperature when dry is 100°C to 120°C.

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Abstract

The invention relates to the technical field of tomato peeling, seeds and skin separation, in particular to a seed-skin separating method achieved through an impacting way. The seed-skin separating method comprises the following steps: firstly, squeezing tomato seed-skin mixture so as to obtain dry material with mass and moisture content of 22 percent to 25 percent and tomato juice; secondly, carrying out primary drying to the dry material so as to obtain primary dry material with the temperature of 90 DEG C to 120 DEG C and the moisture and mass content of 12 percent to 15 percent, carrying out seed-skin separation to the primary dry material in a centrifugal impactor with the rotational speed of 2500 r / min to 3500 r / min, and carrying out secondary drying to the material separated by the centrifugal impactor to obtain the secondary dry material with the temperature of 90 DEG C to 120 DEG C. According to the invention, the yield can be further improved on the basis of efficiently lowering energy consumption and saving cost, and when tomato seeds obtained in the invention are used for producing tomato seed oil, the quality of the tomato seed oil can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of separation of tomato skin dregs and seed skins, and relates to a method for separating seed skins by an impact method. Background technique [0002] The main components of the by-products of tomato paste are tomato seeds and tomato skins, which are high-quality raw materials for high-end tomato products such as tomato seed oil, lycopene, and tomato dietary fiber. Tomato seeds and skins must be processed before deep processing of tomato skins separate. At present, the common processes for separating tomato seeds and skins include the hydrocyclone seed skin separation process and the direct drying rubbing separation process. The hydrocyclone seed skin separation process is to force-feed the tomato skin residue into a drum in a tangential direction. During mechanical stirring, the sticky skin seeds are dispersed in water, and the specific gravity of the skin and seeds in the water is utilized. Difference, ...

Claims

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Application Information

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IPC IPC(8): B07B9/00
Inventor 张新哲
Owner XINJIANG ZHONGJU GRAIN & OIL
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