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Rapeseed oil extraction process

An extraction process, rapeseed oil technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of inedible rapeseed oil, incomplete separation of rapeseed oil, etc. uniform effect

Inactive Publication Date: 2017-03-15
GUIZHOU PROVINCE MEITAN COUNTY YONGLONG GRAIN ANDOIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a rapeseed oil extraction process to solve the problem that the No. 6 extraction solvent oil is not completely separated from the rapeseed oil in the oil cake, resulting in the inedible rapeseed oil

Method used

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Embodiment Construction

[0020] The present invention will be described in further detail below by means of specific embodiments:

[0021] A rapeseed oil extraction process, comprising the following steps:

[0022] (1) Soaking, the oil cake formed after pressing is introduced into the extraction device through the output pipe, and No. 6 extraction solvent oil is added to the extraction device. The extraction solvent oil of No. The solvent naphtha completely dissolves the oil cake to form a mixed liquor.

[0023] (2) Filtration, introduce the mixed liquid into the filter, filter out the solid matter in the mixed liquid, let the mixed liquid rest for 10 minutes after filtering, if there is residue at the bottom of the mixed liquid, filter again until there is no residue on the bottom of the mixed liquid until.

[0024] (3) Heating, introducing the filtered mixed liquid into the first distiller, the first distiller is in a closed state; use the nitrogen heater to heat the nitrogen to 90°, and the heati...

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PUM

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Abstract

The invention belongs to the field of rapeseed oil extraction processes and discloses a rapeseed oil extraction process. The process comprises the following steps: (1) soaking; (2) filtering; (3) heating; (4) distilling; (5) cooling; (6) packaging. The process disclosed by the invention is good in distillation effect, the content of 6# extraction solvent oil in the rapeseed oil is low, and the standard that the content of the 6# extraction solvent oil in the rapeseed oil is lower than 50mg / kg in national standard requirements is met.

Description

technical field [0001] The invention belongs to the field of rapeseed oil extraction technology, and in particular relates to a rapeseed oil extraction technology. Background technique [0002] Rapeseed oil contains a lot of oleic acid and protein, and has high nutritional value. The production process of rapeseed oil includes cleaning rapeseed → softening → flaking → steaming and frying → pre-pressing → pre-pressing crude oil → filtering; finally, rapeseed edible oil is obtained. After the rapeseed oil is filtered out by the above-mentioned process, there will be oil cakes; some rapeseed oil still remains in the oil cakes, and this part of oil cakes is generally used to feed livestock, which causes the waste of rapeseed oil to a certain extent. [0003] In order to extract the residual rapeseed oil in the oil cake, a rapeseed oil extraction process is proposed in the prior art, which includes the following steps: (1) Send the oil cake to the extractor through the conveying...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/10C11B3/00C11B3/12
CPCC11B1/04C11B1/10C11B3/001C11B3/008C11B3/12
Inventor 全自力
Owner GUIZHOU PROVINCE MEITAN COUNTY YONGLONG GRAIN ANDOIL
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