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Marine cylinder oil composition as well as preparation method and application thereof

A technology of composition and cylinder oil, which is applied in lubricating composition, petroleum industry, etc., can solve the problems such as the base value of marine cylinder oil composition and the range of fuel sulfur content that are not clearly mentioned, and achieve excellent detergency and dispersion performance , meet the technical requirements, excellent anti-wear performance and anti-oxidation performance

Inactive Publication Date: 2015-03-25
PETROCHINA CO LTD
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AI Technical Summary

Problems solved by technology

The base number, fuel sulfur range and engine bench or sea test data of the marine cylinder oil composition are not explicitly mentioned

Method used

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  • Marine cylinder oil composition as well as preparation method and application thereof
  • Marine cylinder oil composition as well as preparation method and application thereof
  • Marine cylinder oil composition as well as preparation method and application thereof

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Embodiment 1-12

[0026] Components and content (percentage by weight) given in Table 1 are prepared by the following adjustment and process:

[0027] Add the base oil (HVI400 and 150BS) into the blending barrel / tank, and raise the temperature to 65±5°C, so that the kinematic viscosity range of the base oil at 100°C is 13.5-15.5mm 2 / s;

[0028] Then add the anti-wear agent (zinc dialkyldithiophosphate), dispersant (polyisobutylene succinimide) and detergent into the blending tank or blending tank according to the formula ratio, and stir and blend at 65±5°C until completely uniform to obtain a marine cylinder oil composition. The test results of the composition, reference oil A (Talusia LS 40, Total) and reference oil B (Mobilgard L540, Mobil) are shown in Table 2, and the test standards of various properties are shown in Table 3.

[0029] Table 1 Components and content of marine cylinder oil composition (in %)

[0030]

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Abstract

The invention relates to a marine cylinder oil composition as well as a preparation method and application thereof. The cylinder oil composition comprises the following components in percentage by mass: 1-8% of calcium alkylbenzene sulfonate, 3-12% of calcium alkylphenol sulfide, 0-6% of a dispersant, 0-3% of an anti-wear agent and the balance of base oil, wherein the total base number of the cylinder oil composition is 38.6-41.9mgKOH / g. The invention also provides the preparation method of the composition and the application of the composition in marine fuel in which the content of sulfur is 0.5-2.5%. The cylinder oil composition meets the application requirement of the marine fuel in which the content of sulfur is 0.5-2.5% and has excellent cleaning and dispersing properties, antioxidant and anti-wear properties and the like; by a service test of a low-speed crosshead marine engine, the comprehensive property of the cylinder oil composition can meet technical requirements of OEM.

Description

technical field [0001] The invention relates to a marine cylinder oil composition and its preparation method and application, more precisely, it is a marine cylinder oil composition that meets the needs of marine fuel with a sulfur content of 0.5-2.5%, and is used for lubricating cylinder liners / pistons of low-speed two-stroke marine engines. Cylinder oil composition and its preparation method and application. Background technique [0002] Sulfur in fuel produces SO after combustion 2 and SO 3 , combined with water at the dew point temperature and then concentrated to form sulfuric acid on the surface of the combustion chamber of the cylinder, which directly leads to the corrosion and wear of the mechanical parts of the engine, which is extremely harmful to the engine. Therefore, one of the important functions of marine cylinder oil is to use the alkaline substances contained in it to neutralize the acidic substances produced by the engine during the combustion process, in...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N30/04C10N30/06C10N30/10C10N40/26
CPCC10M169/04
Inventor 张杰朴吉成于军杨骁婧李世春
Owner PETROCHINA CO LTD
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