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Special engine oil for improving engine oil combustion phenomenon of turbocharged engine and preparation method thereof

A turbocharger and engine technology, applied in the field of lubricating oil, can solve the problem of burning oil, etc., and achieve the effect of high flash point, reduced evaporation loss, high temperature and high shear viscosity

Active Publication Date: 2017-03-22
青岛冠军石油化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] At present, the base oils used in synthetic engine oils on the market are mostly three types of hydrogenated base oils. Although the formulated engine oil products can meet the requirements of API and other standards, they cannot solve the phenomenon of engine oil burning when used in turbocharged engines.

Method used

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  • Special engine oil for improving engine oil combustion phenomenon of turbocharged engine and preparation method thereof
  • Special engine oil for improving engine oil combustion phenomenon of turbocharged engine and preparation method thereof
  • Special engine oil for improving engine oil combustion phenomenon of turbocharged engine and preparation method thereof

Examples

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Effect test

Embodiment 1

[0040] A special engine oil for improving the oil burning phenomenon of a turbocharged engine, including the following components in parts by mass:

[0041]

[0042] Among them, the kinematic viscosity of the polyester at 40°C is 100-400 centistokes, and the open flash point is not lower than 275°C.

[0043] According to above-mentioned proportioning, make following preparation:

[0044] 1) Put Class II hydrogenated base oil 150N and synthetic alkanes ShellX430 into the blending kettle through the raw material pump through the filter pump, and gradually heat up to 50°C; add viscosity index improver SV261 and stir for 15 minutes; add polyester KL135, multi-component Alcohol ester TMTC, synthetic olefin PAO6 and alkylnaphthalene AN23, stir well, keep at 55°C for 35min;

[0045] 2) Add composite additive P5810 and pour point depressant 1-248 into the blending kettle in sequence, start pulse blending, and heat at the same time, the blending temperature is 55°C, pulse blending ...

Embodiment 2

[0048] A special engine oil for improving the oil burning phenomenon of a turbocharged engine, including the following components in parts by mass:

[0049]

[0050]

[0051] Among them, the kinematic viscosity of the polyester at 40°C is 100-400 centistokes, and the open flash point is not lower than 275°C.

[0052] According to above-mentioned proportioning, make following preparation:

[0053] 1) Put Class II hydrogenated base oil 150N and synthetic alkanes Shell X430 into the blending kettle through the raw material pump through the filter pump, and gradually heat up to 55°C; add viscosity index improver SV261 and stir for 12 minutes; add polyester KL135, Polyol ester TMTC, synthetic olefin PAO6 and alkylnaphthalene AN23, stir evenly, keep at 60°C for 40min;

[0054] 2) Add composite additive P5810 and pour point depressant 1-248 into the blending kettle in sequence, start pulse blending, and heat at the same time, the blending temperature is 60°C, pulse blending fo...

Embodiment 3

[0057]A special engine oil for improving the oil burning phenomenon of a turbocharged engine, including the following components in parts by mass:

[0058]

[0059] Among them, the kinematic viscosity of the polyester at 40°C is 100-400 centistokes, and the open flash point is not lower than 275°C.

[0060] According to above-mentioned proportioning, make following preparation:

[0061] 1) Put Type II hydrogenated base oil 6cst (Daqing) and synthetic alkanes Shell X420 into the blending kettle through the raw material pump through the filter pump, and gradually heat up to 50°C; add viscosity index improver LZ7067C, and stir for 15 minutes; add poly Ester KL115, polyol ester KL15, synthetic olefin PAO4 and alkylnaphthalene AN23, stir well, keep at 50°C for 45min;

[0062] 2) Add composite additive P5810 and pour point depressant 720P into the blending kettle in sequence, start pulse blending, and heat at the same time, the blending temperature is 50°C, pulse blending 60min;...

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Abstract

The invention relates to a lubricating oil, and specifically discloses a special engine oil for improving the engine oil combustion phenomenon of turbocharged engine and a preparation method thereof. The special engine oil includes base oil and additives; the base oil includes polyester, polyol ester, synthetic olefin (PAO), synthetic alkane, alkyl naphthalene and class II hydrotreated base oil; and the additives include a compound agent, a viscosity index improver and a pour point depressant. The invention also provides a preparation method of the special engine oil. The special engine oil provided by the invention has high flash point and high temperature-high shear viscosity, and has greatly reduced evaporation loss. At the same time, the engine oil meets the grade requirements of API SN. The special engine oil provided by the invention can greatly reduce the engine oil combustion phenomenon of turbocharged engine.

Description

technical field [0001] The invention relates to a lubricating oil, in particular to a special engine oil for improving the engine oil burning phenomenon of a turbocharged engine and a preparation method thereof. Background technique [0002] Lubricating oil is a liquid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. It mainly plays the roles of lubrication, cooling, rust prevention, cleaning, sealing and buffering. Lubricating oil generally consists of two parts: base oil and additives. Base oil is the main component of lubricating oil, which determines the basic properties of lubricating oil. Additives can make up for and improve the performance of base oil, endow some new properties, and are an important part of lubricating oil. [0003] Due to the higher and higher requirements for environmental protection and automobile emission standards, turbocharged engines are adopted by more and m...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M111/06C10N30/02
CPCC10M111/06C10M169/04C10M169/047C10M2203/003C10M2205/0206C10M2205/06C10M2207/2835C10M2209/084C10M2209/1023C10N2030/02C10N2030/54C10N2040/135C10N2020/02
Inventor 万德
Owner 青岛冠军石油化学有限公司
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