Non-sulfur phosphorus organic magnesium additive and anti-oily sludge lubricating oil containing additive special for taxies

Abstract

The invention belongs to the field of lubricating oil and particularly relates to a non-sulfur phosphorus organic magnesium additive and anti-oily sludge lubricating oil containing the additive special for taxies. The non-sulfur phosphorus organic magnesium additive is prepared by the steps of weighing a certain amount of magnesium oxide powder, dissolving the magnesium oxide into a sulfuric acidsolution, slowly dropwise adding C6-C12 linear or branched dialkyl amine, heating to 40-60 DEG C, reacting for about 90 minutes, carrying out reduced pressure distillation, and drying, so as to obtaina dialkyl amine magnesium complex. The lubricating oil containing the additive special for the taxies is capable of improving the oxidation resistance of the lubricating oil of the taxies and has very strong acid neutralization capacity, the generation amount of oily sludge is reduced by 10%-15% than the generation amount of the lubricating oil of the taxies in the market, the average oil changeperiod is more than or equal to 3000km, and the economy can be increased by 40% or above.

Description

technical field [0001] The invention belongs to the field of lubricating oil, and in particular relates to a non-sulfur phosphorus organic magnesium additive and a special lubricating oil for anti-sludge taxis containing the additive. Background technique [0002] According to the statistics of relevant departments, as of 2017, the number of taxis in the Chinese market is about 1.5 million, and it is still increasing at a rate of 3-4% per year. [0003] In recent years, the congestion in cities around the world has become increasingly serious, and the expansion of private car ownership has further aggravated urban congestion. Due to the particularity of the work of taxis, the working environment is complex and the work intensity is high. When driving in the urban area, the congested road conditions and passengers getting on and off the bus cause the vehicle to stop and start frequently during driving, and the engine speed changes frequently in a wide range. The consumption ...

AI Technical Summary

Problems solved by technology

[0003] In recent years, the congestion in cities around the world has become increasingly serious, and the expansion of private car ownership has further aggravated urban congestion. Due to the particularity of the work of taxis, the working environment is complex and the work intensity is high.

When driving in the urban area, the congested road conditions and passengers getting on and off the car cause the vehicle to stop and start frequently during driving, and the engine speed changes frequently in a wide range. The loss of various additives increases the production of gum and sludge

[0004] Since taxis are for profit, more than 90% of taxi lubricating oils are mainly low-end lubricating oils such as SG, SJ, and SL, and taxis run at least 100-200 kilometers a day. 500 kilometers or even longer, and this kind of low-end lubricating oil obviously does not take into account the particularity of taxi work, and does not effectively reduce the problem of taxi lubricating oil sludge. More than 60% of taxis need to Replace lubricating oil once, more than 80% of the problems are large sludge