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Rapeseed peeling and separating process

A rapeseed and process technology, applied in the field of rapeseed peeling and separation process, can solve the problems of limited dosage, slow separation speed of skin and kernel, impossible to achieve rapeseed kernel, etc., and achieves the effect of high separation efficiency and guaranteed separation effect.

Inactive Publication Date: 2005-07-27
莫惠春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese Patent Publication No. CN1498952A discloses a technical scheme of "method of peeling rapeseed, cold pressing, extruding and extruding, and leaching to make oil", which refers to "peeling the cooled raw material", but lacks the technical measures for peeling , it can be deduced that this scheme still adopts the existing peeling and separation process, and only adjusts the water content of raw materials to a rough range of 2% to 10%, and it is impossible to achieve the beneficial effect of rapeseed kernel skin rate of 1% to 4%.
The utilization rate of rapeseed cake and meal is low, and the amount used in livestock and poultry feed is limited, which reduces the comprehensive utilization value of rapeseed. At the same time, the separation speed of skin and kernel in the existing peeling process is slow, and industrial production cannot be carried out

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: The rapeseed was quickly measured with a moisture analyzer, and the measurement result was 8.4% (meeting the requirements for peeling and separating moisture). After removing impurities, proceed as follows:

[0016] (1) The rapeseed is sieved with a 5-level combined sieve, and the meshes of the combined sieve from top to bottom are 10 meshes, 11 meshes, 12 meshes, 13 meshes, and 14 meshes.

[0017] (2) The selected rapeseeds are transported into the corresponding No. 1 to No. 6 dehulling machines respectively into the No. 1 to No. 6 elevators for peeling.

[0018] (3) Separate the peeled skin and kernel mixture in a repetitive comprehensive separation unit. The unit uses the secondary separation method of gravity and winnowing, and uses a conveying device to carry out continuous and repeated separation of the skin and kernel mixture, and continuously separates rapeseed kernels with a skin content of less than 2.5% and rapeseed kernels with a kernel content of les...

Embodiment 2

[0019] Example 2: The rapeseed was quickly measured with a moisture analyzer, and the measurement result was 11%. After removing impurities, proceed as follows:

[0020] (1) Drying the rapeseed (heating to 50°C and then cooling to 20°C), the measured moisture content is 8%.

[0021] (2) The above-mentioned rapeseed is sieved with a 4-level combined sieve, and the meshes of each level of the combined sieve from top to bottom are 10 mesh, 11 mesh, 12 mesh, and 13 mesh.

[0022] (3) The selected rapeseeds are transported to the corresponding No. 1 to No. 5 dehulling machines in the No. 1 to No. 5 elevators for peeling.

[0023] (4) The peeled skin and kernel mixture is concentrated and separated by a repeated comprehensive separation unit. The unit uses the secondary separation method of gravity and winnowing, and uses the conveying device to continuously and circulately separate the skin and kernel mixture, and continuously separates rapeseed kernels with a skin content of less than...

Embodiment 3

[0024] Example 3: The rapeseed was quickly measured with a moisture analyzer, and the measurement result was 6%. After removing impurities, proceed as follows:

[0025] (1) The rapeseed is humidified (sprayed), and the measured water content is 7.5%.

[0026] (2) The rapeseed is sieved with a 5-level combined sieve, and the meshes of each level of the combined sieve from top to bottom are 10 meshes, 11 meshes, 12 meshes, 13 meshes, and 14 meshes.

[0027] (3) The selected rapeseeds are transported to the corresponding No. 1 to No. 6 dehulling machines in the No. 1 to No. 6 elevators for peeling.

[0028] (4) The peeled skin and kernel mixture is concentrated and separated by a repetitive comprehensive separation unit. The unit uses the secondary separation method of gravity and winnowing, and uses a conveying device to continuously and circulately separate the skin and kernel mixture, and continuously separates rapeseed kernels with a skin content of less than 1.8% and rapeseed ke...

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Abstract

Rapeseed peeling process achieves control of water content between 7-9%. It is carried out by: sorting them with multi-grade screen, using peelers with different roller gaps to peel them simultaneously, and separating continently. Either the rate of the kernels in the husks or the rate of the husks in the kernels is <3%, so that qualities of kernels and husks are increased, so are the oil products. It is used industrially.

Description

Technical field [0001] The invention relates to a rapeseed peeling and separation process, which belongs to the previous process in a rapeseed oil preparation method. Background technique [0002] In the method of making oil from rapeseed, the rapeseed is peeled first, and then the oil is extracted by machine pressing or machine extraction, and its superiority has become a consensus of people. However, the existing rapeseed peeling and separation process is very imperfect and is not applicable. It is just that the rapeseed after the removal of impurities is thrown into a single peeling machine for peeling without distinction, the separation technology and process are not yet mature, and the peeling rate of the rapeseed kernel after peeling and separation is greater than 5%. Chinese Patent Publication No. CN1498952A discloses a technical solution of "rapeseed dehulling, cold pressing, extrusion expansion, and leaching method for oil production", which refers to "peeling the raw ma...

Claims

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Application Information

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IPC IPC(8): C11B1/04
Inventor 莫惠春
Owner 莫惠春
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