Low-acid and efficient diesel antiwear additive and preparation method thereof

An anti-wear agent, low-sulfur diesel technology, applied in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of small source of raw materials, high cost, complex production process, etc., and achieve the effect of significant anti-wear effect.

Active Publication Date: 2010-07-07
BEIJING ZHONGYUANCHENG ENERGY TECH CO LTD
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Problems solved by technology

However, the production process of low-sulfur diesel anti-wear agents currently used is complicated, the range of raw material sources is small, the c

Method used

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  • Low-acid and efficient diesel antiwear additive and preparation method thereof
  • Low-acid and efficient diesel antiwear additive and preparation method thereof

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[0035] One technical feature of the present invention is that the raw materials are readily available and can be directly purchased from existing products in the market; another technical feature is that the production process is simple, and the production conditions are mild and easy to implement.

[0036] Therefore, after obtaining the specific raw material composition and mass ratio, the industrialized production can be quickly realized according to the specific production procedure.

[0037] The following examples will further illustrate the invention without limiting it in any way.

[0038] Table 1

[0039]

[0040] Note: Anti-wear test (HFRR) is a high-frequency reciprocating anti-wear test method, SH / T0765-2005

[0041] It can be seen from Table 1 that within the dosage range of each component given in the present invention, a better anti-wear effect can be obtained.

[0042] The anti-wear agent of the present invention is added to the low-sulfur diesel oil at 30-3...

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Abstract

The invention provides a low-acid and efficient diesel antiwear additive and a preparation method thereof, comprising a specific preparation technology and six specific material components. Material (A) is at least one component of amide; material (B) is at least one component of amine oiliness improver; material (C) is at least one component of ester oiliness improver; material (D) is at least one antirust additive; material (E) is at least one demulsifier; and material (F) is at least one organic solvent. The antiwear additive prepared by the above components has the characteristics of goodantiwear effect, low acid and the like; the abrasion resistance is greatly improved by adding low sulphur diesel and no adverse effect is exerted on the quality indexes. The raw material components of the invention can be bought in commodity markets; and the production technology is simple and feasible.

Description

technical field [0001] The invention belongs to the technical field of petroleum product additive production. Background technique [0002] Low-sulfur diesel anti-wear agent, also known as low-sulfur diesel lubricity improver, is a petroleum product additive used to increase the lubricating performance of low-sulfur diesel products, improve the service life of diesel engines, and reduce the wear of engine components. [0003] During the operation of a diesel engine, diesel oil is used not only as a fuel for the engine, but also as a lubricant for parts such as injectors. Trace oxides, nitrides, sulfides and other polar substances and polycyclic aromatic hydrocarbons contained in diesel provide lubricity to a certain extent. As human beings have increased their requirements for environmental protection, modern diesel products should reduce the sulfur content as much as possible. Therefore, oil refineries use methods such as hydrofining to remove trace sulfur compounds in die...

Claims

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Application Information

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IPC IPC(8): C10L1/224C10L1/222C10L1/19C10L1/232C10L1/188C10L1/198C10L1/185C10L1/182C10L1/16C10L10/08
Inventor 王著王大明罗宇喜
Owner BEIJING ZHONGYUANCHENG ENERGY TECH CO LTD
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