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An Improved Continuous Linseed Oil Degumming Process

A linseed oil and degumming technology, applied in the direction of oil/fat refining, fat production, etc., can solve the problems of inability to produce high-quality linseed oil, prolong the processing cycle of linseed oil, reduce the gum content, etc., and improve the continuous degumming process route. , The effect of shortening the hydration treatment time and increasing the treatment temperature

Active Publication Date: 2020-12-22
宁夏君星坊食品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The continuous degumming process is to perform multiple adsorption and filtration on the crude oil to reduce the colloid content. Although this method has a fast processing speed, the degumming rate is low and cannot produce high-quality linseed oil.
Discontinuous degumming is to put the crude oil in the reaction tank for long-term hydration or enzymatic degumming. This method has a high degumming rate, but its processing time is longer, resulting in a longer processing cycle of linseed oil.

Method used

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  • An Improved Continuous Linseed Oil Degumming Process
  • An Improved Continuous Linseed Oil Degumming Process
  • An Improved Continuous Linseed Oil Degumming Process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] refer to figure 1 , an improved continuous linseed oil degumming process, characterized in that: a high-temperature stirring tank 1 is set, the crude oil is injected into the high-temperature stirring tank 1, and water is added, the amount of water added is 18g / Kg, pressurized to 0.5MPa, and then gradually heated to 120°C, carry out uniform stirring treatment for 10 minutes, then release the pressure, reduce the temperature to 85°C at the same time, add citric acid, the addition amount is 0.6g / Kg, and then carry out uniform stirring for 5 minutes;

[0022] The high-temperature stirring tank 1 is connected to the spray tank 3 through the buffer tank 2. The top of the spray tank 3 is provided with a spray head 4 connected to the buffer tank 2. The bottom of the spray tank 3 is provided with a high-pressure nozzle 5. The high-pressure nozzle 5 is pressurized The pump 6 is connected to the storage tank 7, the bottom surface of the spray tank 3 is conical, and the outer side...

Embodiment 2

[0042] This example is improved on the basis of Example 1. 0.5 wt% sodium alginate is added to the flocculant, which can improve the oxidation resistance of crude oil and reduce the loss rate.

[0043] Crude oil loss rate (%) Example 1 0.9 Example 2 0.7

Embodiment 3

[0045] This embodiment is improved on the basis of Embodiment 1. refer to figure 2 , several guide rings 15 are fixed inside the wire mesh layer 12, and several guide plates 16 are evenly fixed inside the guide ring 15, and the angle between the guide plates 16 and the direction of the guide ring 15 is 20°. A groove 17 is arranged on the surface of the deflector 16 where the crude oil flows out. A baffle 18 is provided between the guide ring 15 and the wire mesh layer 12 . By adding the guide ring 15, the circulation uniformity of the crude oil flowing in the spiral channel 9 can be improved, thereby improving the filtration of the colloid precipitated in the crude oil by the wire mesh layer 12. The baffle 18 is used to reduce the disturbance of the crude oil fluid to the colloid attached to the surface of the wire mesh layer 12, so as to prevent the colloid from entering the crude oil fluid again.

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Abstract

The invention discloses an improved continuous linseed oil degumming process, which comprises the following steps of firstly adding water and raising the temperature for hydration; then, adding a flocculating agent for flocculation treatment; finally, performing low-temperature flocculation and high-temperature dissolution through a spiral flow passage; finally, performing fine filtering through afilter. The process provided by the invention has the advantages that the defects in the prior art can be overcome; the degumming efficiency of the continuous degumming process is improved.

Description

technical field [0001] The invention relates to the technical field of linseed oil finishing, in particular to an improved continuous linseed oil degumming process. Background technique [0002] There are a lot of gums in the crude oil obtained by virgin pressing of linseed, which will seriously affect the taste and quality of linseed oil if not removed. In the prior art, the degumming process of linseed oil is mainly divided into two categories: continuous degumming and discontinuous degumming. The continuous degumming process is to perform multiple adsorption and filtration on the crude oil to reduce the colloid content. Although this method has a fast processing speed, the degumming rate is low and cannot produce high-quality linseed oil. Discontinuous degumming is to place crude oil in a reaction tank for long-term hydration or enzymatic degumming. This method has a high degumming rate, but its processing time is longer, resulting in a longer processing cycle of linseed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/00
Inventor 马少斌马少军李永华赵晨伟王桂英
Owner 宁夏君星坊食品科技有限公司
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