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Cleaning agent for thickened oil conveying pipelines and preparation method thereof

A technology for oil pipelines and cleaning agents, applied in the field of cleaning agents, can solve problems such as difficult rinsing of cleaning agents, environmental equipment and human injury, and potential safety hazards, and achieve the effects of simple preparation methods, easy popularization and application, and rational use of resources

Inactive Publication Date: 2014-11-19
无棣华信石油技术服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, strong acid or strong alkaline cleaning agents are generally used for heavy oil pipelines in China. Since the cleaning process generally requires heating or cooking, the strong acid, strong alkali and solvent volatile components of the cleaning agent are difficult to rinse, which not only affects the environment, equipment and The human body causes greater harm and brings certain safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of a heavy oil pipeline cleaning agent, comprising the steps of:

[0028] Step (1), in parts by weight, weigh 2 parts of rosemary, 10 parts of beer dregs, 1 part of limonene, 2 parts of dioctyl sodium sulfosuccinate, and 3 parts of FC-13 fluorocarbon surfactant , 6 parts of cocamidopropyl betaine, 10 parts of isopropanol, 5 parts of pentaerythritol, 50 parts of ethyl acetate and 30 parts of water;

[0029] Step (2), crush the rosemary weighed in step (1) to 100 mesh, add 2 times the equivalent of water, heat up to 55°C, ultrasonically extract for 2 hours, centrifuge, filter, and take the filtrate to obtain rosemary extract liquid;

[0030] In step (3), add beer grains to the remaining water, raise the temperature to 40°C, stir for 30 minutes at a stirring speed of 600 r / min, keep the temperature for 3 hours, filter, and take the filtrate to obtain the beer grain extract;

[0031] Step (4), add the rosemary extract obtained in step (2) and the beer...

Embodiment 2

[0033] A preparation method of a heavy oil pipeline cleaning agent, comprising the steps of:

[0034] Step (1), in parts by weight, weigh 5 parts of rosemary, 20 parts of beer dregs, 2 parts of limonene, 6 parts of dioctyl sodium sulfosuccinate, and 5 parts of FC-13 fluorocarbon surfactant , 9 parts of cocamidopropyl betaine, 13 parts of isopropanol, 11 parts of pentaerythritol, 70 parts of ethyl acetate and 50 parts of water;

[0035] Step (2), crush the rosemary weighed in step (1) to 200 mesh, add 2 times the equivalent of water, heat up to 65°C, ultrasonically extract for 2.5 hours, centrifuge, filter, and take the filtrate to obtain rosemary Extraction solution;

[0036] Step (3), add beer grains to the remaining water, raise the temperature to 50°C, stir for 60 minutes, and stir at 800 r / min, keep the temperature for 3 hours, filter, and take the filtrate to obtain the beer grain extract;

[0037] Step (4), add the rosemary extract obtained in step (2) and the beer dre...

Embodiment 3

[0039] A preparation method of a heavy oil pipeline cleaning agent, comprising the steps of:

[0040] Step (1), in parts by weight, weigh 3 parts of rosemary, 15 parts of beer dregs, 1.5 parts of limonene, 5 parts of dioctyl sodium sulfosuccinate, and 4.3 parts of FC-13 fluorocarbon surfactant , 7.8 parts of cocamidopropyl betaine, 12 parts of isopropanol, 8 parts of pentaerythritol, 60 parts of ethyl acetate and 40 parts of water;

[0041] Step (2), crush the rosemary weighed in step (1) to 150 mesh, add 2 times the equivalent of water, heat up to 58°C, ultrasonically extract for 2.3 hours, centrifuge, filter, and take the filtrate to obtain rosemary Extraction solution;

[0042] Step (3), add beer grains to the remaining water, raise the temperature to 45°C, stir for 48 minutes, and stir at 700 r / min, keep the temperature for 3 hours, filter, and take the filtrate to obtain the beer grain extract;

[0043] Step (4), add the rosemary extract obtained in step (2) and the bee...

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Abstract

The invention relates to a cleaning agent for thickened oil conveying pipelines and a preparation method thereof, belonging to the technical field of cleaning agents. The cleaning agent for thickened oil conveying pipelines comprises the following components in parts by weight: 2-5 parts of rosemary, 10-20 parts of beer dreg, 1-2 parts of limonene, 2-6 parts of sodium diethylhexyl sulfosuccinate, 3-5 parts of fluorocarbon surfactant, 6-9 parts of cocamidopropyl betaine, 10-13 parts of isopropanol, 5-11 parts of pentaerythritol, 50-70 parts of ethyl acetate and 30-50 parts of water. The cleaning agent for thickened oil conveying pipelines adopts waste bear dregs as one of the raw materials and has the advantages of reasonable resource utilization, environmental friendliness and the like. The cleaning agent for thickened oil conveying pipelines is capable of thoroughly and rapidly removing oil scale, wax and the like out of oil conveying pipelines, the raw materials are free of strong acid and alkali substances, the oil conveying pipelines are not corroded, and meanwhile the cleaning agent is simple in preparation method, good in economic benefit and easy to popularize and apply.

Description

technical field [0001] The invention belongs to the technical field of cleaning agents, and in particular relates to a heavy oil pipeline cleaning agent and a preparation method thereof. Background technique [0002] The oil pipeline system, that is, the pipeline system used to transport oil and petroleum products, is mainly composed of oil pipelines, oil stations and other auxiliary related equipment. For transportation equipment, compared with railway and highway oil transportation, which are also land transportation methods, pipeline oil transportation has the characteristics of large transportation volume, good airtightness, low cost and high safety factor. [0003] At present, strong acid or strong alkaline cleaning agents are generally used for heavy oil pipelines in China. Since the cleaning process generally requires heating or cooking, the strong acid, strong alkali and solvent volatile components of the cleaning agent are difficult to rinse, which not only affects ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/94C11D3/60C11D3/382
Inventor 李瑞国
Owner 无棣华信石油技术服务有限公司
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