Four-stage filtration system for removing mixed oil meal and working method of four-stage filtration system

A four-stage filtration and mixed oil technology, which is applied in the direction of fat oil/fat refining, the device where the axial direction of the swirl flow can be reversed, and fat generation, can solve the problem of affecting the quality of crude oil products, reducing the heat transfer rate of equipment, and mixing oil Color deepening and other problems, to achieve the effect of saving steam consumption, improving the heat exchange rate of equipment, and reducing the content of impurities

Inactive Publication Date: 2018-11-23
JIUSAN OILS & GRAINS IND GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mixed oil contains part of the meal powder from the oil plant. If the meal powder cannot be completely removed, it will cause fouling of the evaporator, reduce the heat exchange rate of the equipment, and increase the steam consumption; at the same time, if the meal powder is not removed cleanly, it is easy to The high temperature of the stripping tower deepens the color of the mixed oil and affects the quality of the crude oil product

Method used

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  • Four-stage filtration system for removing mixed oil meal and working method of four-stage filtration system

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Effect test

Embodiment 1

[0023] A four-stage filtration system for removing meal powder in mixed oil, including a first-stage hydrocyclone group 1, a second-stage hydrocyclone group 2, a third-stage hydrocyclone group 3, and a self-cleaning scraper filter Group 4, extractor connecting pipeline 6 and mixed oil output pipeline 17, said extractor connecting pipeline 6 communicates with primary feed pipeline 7 in primary hydrocyclone group 1, said primary inlet The feed pipeline 7 communicates with the feed port of the primary hydrocyclone 101 through the feed branch, and the mixed oil outlet at the top of the primary hydrocyclone 101 is connected with the primary discharge pipe through the discharge branch. Road 8 communicates, and the primary discharge pipeline 8 communicates with the secondary feed pipeline 10 in the secondary hydrocyclone group 2, and the secondary feed pipeline 10 communicates with the secondary feed pipeline 10 through the feed branch. The feed port of the hydrocyclone 201 is commun...

Embodiment 2

[0025] A four-stage filtration system for removing meal powder in mixed oil, including a first-stage hydrocyclone group 1, a second-stage hydrocyclone group 2, a third-stage hydrocyclone group 3, and a self-cleaning scraper filter Group 4, extractor connecting pipeline 6 and mixed oil output pipeline 17, said primary hydrocyclone group 1 is provided with 4 primary hydrocyclones 101; said secondary hydrocyclone group 2 There are 8 secondary hydrocyclones 201 in it; 16 tertiary hydrocyclones 301 are provided in the tertiary hydrocyclone group 3; 3 hydrocyclones 301 are provided in the self-cleaning scraper filter group 4 A self-cleaning scraper filter 401;

[0026] The extractor connection pipeline 6 communicates with the primary feed pipeline 7 in the primary hydrocyclone group 1, and the primary feed pipeline 7 communicates with the primary hydrocyclone 101 through a feed branch. The feed port of the primary hydrocyclone 101 is connected to the outlet of the mixed oil at the ...

Embodiment 3

[0028] A four-stage filtration system for removing meal powder in mixed oil, including a first-stage hydrocyclone group 1, a second-stage hydrocyclone group 2, a third-stage hydrocyclone group 3, and a self-cleaning scraper filter Group 4, extractor connecting pipeline 6 and mixed oil output pipeline 17, said primary hydrocyclone group 1 is provided with 4 primary hydrocyclones 101; said secondary hydrocyclone group 2 There are 8 secondary hydrocyclones 201 in it; 16 tertiary hydrocyclones 301 are provided in the tertiary hydrocyclone group 3; 3 hydrocyclones 301 are provided in the self-cleaning scraper filter group 4 A self-cleaning scraper filter 401;

[0029]A mixed oil pump is provided on the connecting pipeline 6 of the extractor, and the connecting pipeline 6 of the extractor communicates with the primary feed pipeline 7 in the primary hydrocyclone group 1, and the primary feed pipeline 7 communicates with the feed inlet of the primary hydrocyclone 101 through the feed...

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Abstract

The invention belongs to the field of oil processing, and in particular relates to a four-stage filtration system for removing mixed oil meal and a working method thereof; the four-stage filtration system comprises a first-stage hydrocyclone set, a second-stage hydrocyclone set, a third-stage hydrocyclone set, and a self-cleaning scraper filter set, wherein the mixed oil produced by an extractor first enters the first-stage hydrocyclone to remove large particles of the meal, then enters the second-stage hydrocyclone to remove small particles of the meal, and lastly the mixed oil is dischargedfrom a mixed oil output pipeline after the meal is removed after the mixed oil passes through the third-stage hydrocyclone and the self-cleaning scraper filter successively. The four-stage filtrationsystem for removing mixed oil meal can greatly reduce the failure rate of the self-cleaning type scraper filter; the four-stage filtration system for removing mixed oil meal also can further avoid scale formation of a first evaporator and a second evaporator at the same time, so that the heat exchange rate of the device is improved, the steam consumption is reduced, the color of mixed oil is further avoided to be deepened by the high temperature of a stripping tower, the product quality of phospholipid as a by-product from crude oil and fat refining is improved, and the impurity content is reduced, wherein the hexane insoluble matter is less than or equal to 0.5%.

Description

technical field [0001] The invention belongs to the field of oil processing, and in particular relates to a four-stage filtration system for removing meal powder in mixed oil and a working method thereof. Background technique [0002] The oil extraction method is to apply the principle of extraction, select an organic solvent that can dissolve oil, make it contact with the pretreated oil, and dissolve the oil in the oil during the process of spraying, soaking, penetrating, and draining A method of making oil. This method makes the solvent and the oil it dissolves form a solution, which is called mixed oil. The mixed oil contains part of the meal powder from the oil plant. If the meal powder cannot be completely removed, it will cause fouling of the evaporator, reduce the heat exchange rate of the equipment, and increase the steam consumption; at the same time, if the meal powder is not removed cleanly, it is easy to The high temperature of the stripping tower deepens the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/16B04C5/26
CPCB04C5/26C11B3/001C11B3/008C11B3/16
Inventor 孙立斌张利晨王野李光熙
Owner JIUSAN OILS & GRAINS IND GRP CO LTD
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