A kind of coal slurry oil fuel engine oil composition

Abstract

The invention discloses a coal slurry oil fuel engine oil composition, which adopts polyinternal olefin and oil-soluble polyether as base oil, and cooperates with various composite additives, which include anti-wear agent, anti-oxidation and anti-corrosion agent, anti-foaming agent, viscosity Index improver, metal deactivator, friction modifier, rust inhibitor, detergent, dispersant, oily agent, antioxidant, antiwear agent. The engine oil composition of the present invention has excellent cleaning and dispersing effects, prevents piston rings from sticking and keeps the engine clean; excellent viscosity-temperature characteristics, excellent alkali number retention, oil viscosity growth ability, and can inhibit the formation of black sludge , make the engine cleaner; good high-temperature oxidation stability, high shear stability, rubber compatibility, good low-temperature startability, excellent fuel economy, no corrosion and rust on moving parts, and ensure sufficient oil quality Oil film strength reduces wear and evaporation losses.

Description

technical field [0001] The invention belongs to the field of internal combustion engine lubricants, in particular to a coal slurry oil fuel engine oil composition. Background technique [0002] Coal slurry oil is oil (COM) in which dry coal powder is mixed with diesel oil or heavy oil into a slurry. Usually, the particle size of pulverized coal is generally 1-6um, and the largest one is generally controlled below 15um, with an average of about 2um. The finer the particle size, the better the combustion, but the higher the cost; the larger the particle size, the lower the cost, but the quality of injection and combustion deteriorates, and at the same time, the wear of parts is increased. After diesel oil contains coal powder, the viscosity increases; the higher the coal content, the greater the viscosity, and the higher the temperature, the greater the noise and vibration, and the greater the difference in viscosity between diesel and diesel. The chemical composition of COM...

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Problems solved by technology

The finer the particle size, the better the combustion, but the higher the cost; the larger the particle size, the lower the cost, but the quality of injection and combustion deteriorates, and at the same time, the wear of parts is increased

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