Process for manufacturing oil by cold-squeezing of rape seeds

A rapeseed, cold-pressed technology, applied in the production of fat/fat, fat production, etc., can solve the problems of poor accuracy, affecting the processing of rapeseed cake, low separation efficiency, etc., and achieve the effect of improving noise and dust

Inactive Publication Date: 2013-02-27
ANHUI HONGSHI OPTOELECTRONICS HIGH TECH CO LTD
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Problems solved by technology

How to separate the broken skins and kernels before pressing will directly affect the quality of the finished oil and the efficiency of oil extraction, and will also affect the further processing of ra...

Method used

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  • Process for manufacturing oil by cold-squeezing of rape seeds

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Embodiment Construction

[0013] Such as figure 1 Shown, the cold-pressed oil making process of rapeseed comprises the following steps:

[0014] a. The raw material rapeseed is crushed, using differential speed rollers to implement differential speed crushing;

[0015] b. Sieve and grind;

[0016] c. Color sorting and separation of skin and kernel;

[0017] d, then rolling the blank;

[0018] e. Low temperature puffing and tempering;

[0019] f. Low temperature pressing.

[0020] Among the above technical solutions, the most important thing is the color separation of skin and kernel. By identifying the color of skin and kernel, the raw material of skin and kernel will slide down from the guide groove arranged obliquely for the raw material to slide down, and the pressure gas will be aimed at the material to be separated. Part of one of the colors in the material is sprayed, and it is collected under the separated material, so that the material is separated, that is, the skin and kernel are separat...

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Abstract

The invention discloses a process for manufacturing oil by cold-squeezing of rape seeds. A differential roller is used to crush rape seeds, and screening and grinding and rubbing, color sorting separation of peels and kernels, rolling and blanking, low-temperature puffing tempering and low-temperature squeezing are performed. According to the process, color discrimination is used to separate peels from kernels, the separation efficiency and accuracy is high (a kernel containing peel rate <= 2%, and a peel containing kernel rate <= 2%), and the key technical problem of rape seed efficient peeling and separation is solved. Simultaneously, phenomena of noise and dust of winnowing peeling are improved and small particle kernels and peels are selected and classified as peel type defects to be prevented completely during winnowing.

Description

technical field [0001] The invention relates to a processing method of rapeseed, in particular to a process of cold-pressing rapeseed. Background technique [0002] In the prior art, the cold pressing process of rapeseed includes crushing of raw rapeseed, sieving and grinding, wind lifting and separation, then rolling compact, low-temperature puffing and conditioning, and finally low-temperature pressing. How to separate the broken skins and kernels before pressing will directly affect the quality of the finished oil and the efficiency of oil extraction, and will also affect the further processing of rapeseed cake. The air-lifting separation in the prior art is to use wind force to separate components with different qualities. This separation method has low separation efficiency and poor separation accuracy. Contents of the invention [0003] The purpose of the present invention is to provide a process for oil production by cold pressing of rapeseed with high sorting effi...

Claims

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Application Information

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IPC IPC(8): C11B1/00C11B1/04C11B1/06
Inventor 徐道际姜绍通
Owner ANHUI HONGSHI OPTOELECTRONICS HIGH TECH CO LTD
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