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Special low-temperature-resistant corrosion-resistant crude oil storage tank cleaning agent and preparation method thereof

A technology for crude oil storage tanks and low temperature resistance, which is applied in chemical instruments and methods, detergent compounding agents, detergent compositions, etc., and can solve problems such as reducing the service life of storage tanks, environmental secondary pollution, and poor cleaning effects. Achieve good corrosion resistance, prolong service life, and excellent cleaning performance

Inactive Publication Date: 2015-03-25
JIANGSU JIANSHEN BIOLOGY AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the crude oil storage tank is used for a period of time, the impurities in the crude oil will deposit on the bottom and wall of the tank, which greatly reduces the effective capacity of the crude oil storage tank and affects the efficiency of the storage tank. Therefore, it is necessary to regularly check the crude oil storage tank Inspection and maintenance and removal of sludge in the tank
[0004] At present, some strongly acidic or alkaline chemical cleaners are mainly used to clean crude oil storage tanks in China. These cleaning agents not only have poor cleaning effect, but also cause secondary pollution to the environment, and have a greater impact on crude oil storage tanks. Corrosive, reducing tank life, in addition, these cleaners perform poorly at lower temperatures

Method used

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  • Special low-temperature-resistant corrosion-resistant crude oil storage tank cleaning agent and preparation method thereof
  • Special low-temperature-resistant corrosion-resistant crude oil storage tank cleaning agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks, including the following raw materials in parts by mass: 13 parts of onion silk, 10 parts of orange peel, 2 parts of N,N'-diallyl-L-tartaramide, limonene 14 parts, 1 part of polyaspartic acid, 5 parts of nano silicon powder, 1 part of sodium tetraborate, 1 part of sodium citrate, 6 parts of borneol, 24 parts of ethanol, and 100 parts of water.

[0026] The preparation method of the special low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks comprises the following steps:

[0027] Step 1: According to the number of parts by mass, crush the onion silk and orange peel to 100 mesh, add it to ethanol, raise the temperature to 60°C, soak for 5 hours, and then filter to get the filtrate, and then sequentially add N,N'-diallyl- L-tartrate amide, limonene and polyaspartic acid were added in the filtrate, and stirred evenly to obtain mixture A;

[0028] Step 2: addin...

Embodiment 2

[0031] Low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks, including the following raw materials in parts by mass: 17 parts of onion silk, 20 parts of orange peel, 6 parts of N,N'-diallyl-L-tartaramide, limonene 16 parts, 2 parts of polyaspartic acid, 10 parts of nano silicon powder, 4 parts of sodium tetraborate, 2 parts of sodium citrate, 9 parts of borneol, 27 parts of ethanol, 140 parts of water.

[0032] The preparation method of the special low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks comprises the following steps:

[0033] Step 1: According to the number of parts by mass, crush the onion silk and orange peel to 200 mesh, add it to ethanol, raise the temperature to 70°C, soak for 2 hours, then filter to get the filtrate, and then sequentially add N,N'-diallyl- L-tartrate amide, limonene and polyaspartic acid were added in the filtrate, and stirred evenly to obtain mixture A;

[0034] Step 2: adding na...

Embodiment 3

[0037] Low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks, including the following raw materials in parts by mass: 14 parts of onion silk, 12 parts of orange peel, 3 parts of N,N'-diallyl-L-tartaramide, limonene 14 parts, 1 part of polyaspartic acid, 6 parts of nano silicon powder, 1 part of sodium tetraborate, 1 part of sodium citrate, 7 parts of borneol, 25 parts of ethanol, and 105 parts of water.

[0038] The preparation method of the special low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks comprises the following steps:

[0039] Step 1: According to the number of parts by mass, crush the shallot and orange peel to 150 mesh, add it to ethanol, raise the temperature to 62°C, soak for 3 hours, and then filter to get the filtrate, and then sequentially add N,N'-diallyl- L-tartrate amide, limonene and polyaspartic acid were added in the filtrate, and stirred evenly to obtain mixture A;

[0040] Step 2: adding n...

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Abstract

The invention relates to a special low-temperature-resistant corrosion-resistant crude oil storage tank cleaning agent and a preparation method thereof, and belongs to the field of oil industry cleaning agents. The special low-temperature-resistant corrosion-resistant crude oil storage tank cleaning agent comprises, by weight, 13-17 parts of scallion roots, 10-20 parts of orange peel, 2-6 parts of N,N'-diallyl-L-tartramide, 14-16 parts of limonene, 1-2 parts of polyaspartic acid, 5-10 parts of Nano-silica micro-powder, 1-4 parts of sodium tetraborate, 1-2 parts of sodium citrate, 6-9 parts of borneol, 24-27 parts of ethyl alcohol and 100-140 parts of water. The cleaning agent has an excellent cleaning performance for a crude oil storage tank, and the cleaning rate of the cleaning agent can reach by 99.8%. The cleaning agent still has an excellent cleaning effect at low temperature and has a certain maintenance function for the storage tank, so that the storage tank has a fine corrosion resistance, and the service life of the crude oil storage tank is effectively prolonged.

Description

technical field [0001] The invention belongs to the field of cleaning agents for the petroleum industry, and in particular relates to a special low-temperature and corrosion-resistant cleaning agent for crude oil storage tanks and a preparation method thereof. Background technique [0002] With the continuous development of the petroleum industry, crude oil storage tanks have not only been improved in material, so that they have excellent properties such as corrosion resistance, but also develop in a large-scale trend. At present, the largest crude oil storage tanks at home and abroad are about 250,000 square meters, which is comparable Compared with the previous crude oil storage tank capacity, it has been greatly improved. In addition, the scale of construction of crude oil storage tanks in my country is also increasing day by day, and the cleanliness of crude oil storage tanks has always been a problem that cannot be ignored in the process of crude oil storage. [0003] ...

Claims

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Application Information

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IPC IPC(8): C11D1/52C11D3/60C11D3/382C11D3/37C11D3/20
Inventor 杨月忠
Owner JIANGSU JIANSHEN BIOLOGY AGROCHEM
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