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High-cleanness diesel lubricant

A lubricant and cleaning technology, applied in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve problems such as increased wear, oil leakage from oil pumps, and poor lubricity

Inactive Publication Date: 2017-10-03
马健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, once there is any problem with diesel oil, or its lubricity is not high, for the oil delivery pump and high-pressure oil pump, without a certain degree of lubricity, there is no way to perform normal work, which also leads to the , which greatly increases the wear and tear and shortens the service life of the oil pump. In serious cases, it may even cause oil leakage from the oil pump.
Although the use of low-sulfur diesel oil meets the current environmental protection requirements, but at the same time, due to the desulfurization of diesel oil, some components containing lubricants are reduced, and the decline in lubricants leads to wear in the engine. Therefore, in order to achieve the two results of protecting the environment and improving engine life at the same time, it is necessary to improve the lubricity of low-sulfur diesel oil
[0004] In the prior art, the lubricity of diesel oil is generally improved by adding relatively large amides or some long-chain fatty acid compounds. These large molecular weights are not conducive to combustion, resulting in insufficient combustion, which makes diesel oil produce black smoke during use. The phenomenon of polluting the environment from another aspect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high-clean diesel lubricant is prepared from the following raw materials in parts by weight (just mix them uniformly): 20 parts of methanol, 10 parts of propanol, 28 parts of fatty acid methyl ester, and 1 part of butyl nitrate.

[0021] When the addition amount is 0.15 mg / g, the wear scar diameter measured according to the GB19147-2009 method is 368 μm, and no black smoke is generated during combustion.

Embodiment 2

[0023] A high-clean diesel lubricant is prepared from the following raw materials in parts by weight (just mix them uniformly): 20 parts of isopropanol, 15 parts of butanol, 25 parts of fatty acid methyl ester, and 3 parts of butyl nitrate.

[0024] When the addition amount is 0.16mg / g, the wear scar diameter measured according to the GB19147-2009 method is 356μm, and no black smoke is generated during combustion.

Embodiment 3

[0026] A high-clean diesel lubricant is prepared from the following raw materials in parts by weight (just mix them uniformly): 30 parts of butanol, 10 parts of isobutanol, 22 parts of fatty acid methyl ester, and 5 parts of butyl nitrate.

[0027] When the addition amount is 0.17 mg / g, the wear scar diameter measured according to the GB19147-2009 method is 385 μm, and no black smoke is generated during combustion.

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PUM

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Abstract

The invention belongs to the technical field of diesel fuel additives, in particular to a high-clean diesel lubricant, which is made of the following raw materials in parts by weight: 30-60 parts of monohydric alcohol, 10-28 parts of fatty acid methyl ester, and 1-13 parts of butyl nitrate . The high-clean diesel lubricant of the invention can significantly improve the lubricity of diesel oil, ensure the normal use of low-sulfur diesel oil, and produce no black smoke during combustion.

Description

technical field [0001] The invention belongs to the technical field of diesel fuel additives, in particular to a high-clean diesel lubricant. Background technique [0002] Compared with gasoline engines, diesel engines have the advantages of high efficiency, cleanliness, durability, and low maintenance costs. With the improvement of our country's environmental protection requirements for refined oil, in order to avoid the pollution of toxic substances in diesel engine exhaust to the environment, the state has compelled to reduce the sulfur content in diesel. In 2015, the National IV standard for diesel was implemented, and its sulfur content was 50mg / kg. . Reducing the sulfur content in diesel through hydrotreating will also lead to a decrease in the lubricating properties of diesel. [0003] In a diesel engine, diesel fuel acts as both a fuel and a lubricant. Therefore, once there is any problem with diesel oil, or its lubricity is not high, for the oil delivery pump and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L10/08C10L1/14C10L1/182C10L1/19C10L1/23
CPCC10L10/08C10L1/14C10L1/1824C10L1/19C10L1/231
Inventor 马健
Owner 马健
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