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Rapeseed oil hydration degumming method

A degumming method, oil-water technology, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problems of oil quality and flavor influence, long hydration degumming time, low efficiency, etc., to shorten the hydration time and improve hydration Degumming efficiency, the effect of avoiding oil-water emulsification

Active Publication Date: 2020-12-15
成都市新兴粮油有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method removes the peptized impurities in it through water absorption and coagulation and sedimentation by stirring, but the oil-water emulsification is serious due to the stirring, which affects the quality and flavor of the oil, and the hydration and degumming time is long and the efficiency is not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for hydration and degumming of rapeseed oil. The crude oil of the rapeseed oil, which has been filtered to remove residual cakes, is heated to 80° C. and then stored in an oil storage tank and maintained at an oil temperature of 80° C. The salt water with a mass concentration of 10% is prepared, Heated to 80°C and stored in a brine tank and maintained the brine temperature at 80°C; the crude oil in the oil storage tank was transported to the hydration storage tank through the oil pipeline at a speed of 0.01m / s, and the oil pipeline was 4.0m away from the hydration storage tank. The salt water in the salt water tank is added in the center, so that the crude oil and the salt water are mixed and continue to flow into the hydration storage tank. The speed of the salt water into the oil pipeline is 0.01m / s; the flow ratio of the crude oil and the salt water in the oil pipeline is 4:1 ; The mixture of crude oil and salt water flows into the hydration storage tank and ...

Embodiment 2

[0021] A method for hydration and degumming of rapeseed oil. The crude oil of the rapeseed oil, which has been filtered to remove residual cakes, is heated to 90° C., and then stored in an oil storage tank, and the oil temperature is maintained at 90° C.; Heated to 90°C and stored in a brine tank and maintained the brine temperature at 90°C; the crude oil in the oil storage tank was transported to the hydration storage tank through the oil pipeline at a speed of 0.03m / s, and the oil pipeline was 5.0m away from the hydration storage tank. The salt water in the salt water tank is added in the center, so that the crude oil and the salt water are mixed and continue to flow into the hydration storage tank. The speed of the salt water into the oil pipeline is 0.03m / s; the flow ratio of the crude oil and the salt water in the oil pipeline is 9:1 ; The mixture of crude oil and salt water flows into the hydration storage tank and stays for 10 minutes, and then uses a disc centrifuge to ...

Embodiment 3

[0023] A method for hydration and degumming of rapeseed oil. The crude oil of the rapeseed oil, which has been filtered to remove residual cakes, is heated to 85° C., and then stored in an oil storage tank, and the oil temperature is maintained at 85° C.; Heated to 85°C and stored in a brine tank and maintained the brine temperature at 85°C; the crude oil in the oil storage tank was transported to the hydration storage tank through the oil pipeline at a speed of 0.02m / s, and the oil pipeline was 4.5m away from the hydration storage tank. The salt water in the salt water tank is added in the center, so that the crude oil and the salt water are mixed and continue to flow into the hydration storage tank. The speed of adding the salt water to the oil pipeline is 0.02m / s; the flow ratio of the crude oil and the salt water in the oil pipeline is 7:1 ; The mixture of crude oil and salt water flows into the hydration storage tank and stays for 8 minutes, and then uses a disc centrifuge...

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PUM

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Abstract

The invention discloses a rapeseed oil hydration degumming method. The method comprises the following steps: heating raw oil of rapeseed oil, which is obtained by performing filtration to remove the residual cake meal, to 80-90 DEG C, storing the heated raw oil in an oil storage tank, and keeping the oil temperature at 80-90 DEG C; preparing a saline solution of 10-15 wt%, heating the saline solution to 80-90 DEG C, storing the heated saline solution in a saline solution tank, and keeping the saline solution temperature at 80-90 DEG C; delivering the raw oil in the oil storage tank to a hydration storage tank at the speed of 0.01-0.03m / s through an oil delivery pipe, adding the saline solution in the saline solution tank to the center of the oil delivery pipe which is 4.0-5.0m away from the hydration storage tank, allowing the raw oil and saline solution to be mixed, and enabling the mixture of the raw oil and saline solution to continuously flow into the hydration storage tank, wherein the speed of addition of the saline solution into the oil delivery pipe is 0.01-0.03m / s; and performing centrifugal separation on the mixture of the raw oil and saline solution in the hydration storage tank to remove gum deposits, thereby obtaining hydration-degummed oil. According to the rapeseed oil hydration degumming method, the saline solution is added to the center of the oil delivery pipe, so the saline solution and oil are uniformly mixed in the pipe, thereby greatly enhancing the hydration efficiency, shortening the hydration time, and greatly reducing the content of phospholipid in the hydration-degummed rapeseed oil.

Description

technical field [0001] The invention relates to a refining process of rapeseed oil, in particular to a hydration and degumming process of rapeseed oil. Background technique [0002] Rapeseed oil is the main edible oil in my country. It is obtained by refining the crude oil obtained from rapeseed by removing impurities, smashing embryos, steaming and frying, and pressing, or by refining the crude oil obtained by removing impurities, frying and pressing. Therefore, hydration and degumming is an important process in rapeseed oil refining, and colloidal impurities such as phospholipids in rapeseed oil can be removed by hydration and degumming. [0003] Hydration degumming is a kind of degumming method in which a certain amount of water (or an aqueous solution of acid, alkali and salt) is added to the crude oil by using the hydrophilicity of peptizing impurities such as phospholipids, so that the peptizing impurities in it absorb water, coagulate and settle. . In the process of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/00C11B3/02C11B3/16
CPCC11B3/001C11B3/008C11B3/02C11B3/16
Inventor 姜敏杰袁永俊
Owner 成都市新兴粮油有限公司
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