Formula and preparation method of low-carbon lubricating oil

Abstract

The invention provides a formula and a preparation method of low-carbon lubricating oil. The formula is characterized by comprising the following components in parts by weight: 5 to 30 parts of synthetic base oil, 35 to 55 parts of III-type hydrogenated base oil, 15 to 22 parts of II-type hydrogenated base oil, 8 to 15 parts of V-type synthetic phenolic ester base oil, 5 to 15 parts of hydrogenated base oil 150BS and the balance of additives. The preparation method comprises the following steps of adding the base oil in parts by weight into blending equipment, raising temperature to 60 DEG C, and uniformly blending the base oil at constant temperature; sequentially adding various additives, raising the temperature to 70 to 75 DEG C (not more than 75 DEG C), stirring the base oil and the additives within 40 minutes at constant temperature to completely mix the base oil and the additives, and performing circulating filtration and cooling in four stages to obtain the low-carbon lubricating oil. The formula and the preparation method thereof have the beneficial effects that the limit of soot content is reduced; the low-carbon lubricating oil is energy-saving, low-phosphorus, environment-friendly, high in abrasion resistance and resistant to high temperature and high load; the high-temperature detergency is greatly improved; the carbon emission of the lubricating oil is effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil, and in particular relates to a low-carbon lubricating oil formula and a preparation method thereof. Background technique [0002] Low-carbon economy has recently attracted much attention in China. China is a major polluter in the world. Both the European Union and the United States have threatened to impose "carbon tariffs", which is undoubtedly unfavorable to China, a major exporter in the world. The content of sulfur and phosphorus components in lubricating oil directly determines the carbon content emitted. Because the sulfur dioxide produced by the use of lubricating oil has an obvious synergistic effect on reducing greenhouse gas emissions, the lubricating oil industry has actually been a major contributor to carbon emissions. According to calculations, the benefit coefficient between sulfur dioxide and carbon dioxide is 1:38, that is, every 10,000 tons of sulfur dioxide emission r...

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Problems solved by technology

[0003] At present, it is often necessary to add a large amount of ZDDP (sulfur-zinc-butyloctyl zinc salt) to the traditional lubricating oil, and use the anti-oxidation, anti-wear, and anti-corrosion effects of ZDDP to control the oxidation degree of the lubricating oil, but the resulting carbon emissions It is also conceivable that it not only causes photochemical effects, but also greatly reduces the service life of the three-way catalytic converter of the car, which has an extremely adverse impact on air quality, making the lubricating oil less effective after 5,000 to 10,000 kilometers of use far from ideal

Although the upgrade of engine oil specifications is accelerating, it is far behind the rapid development of engines. Modern engines are small in size, high in speed, high in pressure, and high in power, but there are still problems such as excessive carbon deposits, high fuel consumption, and oil change. A series of problems such as short lifespan and large wear and tear are likely to cause damage to the engine. After the body is lightweight, the model is economical, and the combustion is efficient, how to improve lubricating oil products in order to improve the operating efficiency of the car, protect key components such as the engine, and realize The purpose of automobile energy saving and emission reduction has become a hot spot in the research of lubricating oil formulation

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