Heavy-load agricultural diesel engine special oil and production method thereof

A diesel engine and special oil technology, which is applied in the field of special oil for heavy-duty agricultural diesel engines, can solve the problems of easy oxidation and deterioration of oil products, sintering of engine parts, heavy engine load, etc., and achieve excellent thermal oxidation stability and oil-water separation, The effect of prolonging the lubrication protection ability and service life, and improving the thermal oxidation stability

Inactive Publication Date: 2015-08-26
广西飞日能源集团有限公司
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  • Application Information

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Problems solved by technology

Working in the mountains, the terrain is complex, the engine load is large, the oil temperature rises, and the oil is easily oxidized and deteriorated, resulting in the deposition of a large amount of sludge in the engine body, blocking the oil passage, and in severe cases, it will cause sintering of engine parts; in

Method used

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  • Heavy-load agricultural diesel engine special oil and production method thereof
  • Heavy-load agricultural diesel engine special oil and production method thereof
  • Heavy-load agricultural diesel engine special oil and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0050] Example 1: This example is mainly to prepare CF-4 20W-50 diesel engine oil, which contains non-sulfur phosphorus organic boron molybdenum friction reducer, poly alpha olefin compound, polymethacrylate type viscosity index improver, polymethacrylate Type pour point depressant, synthetic sulfonate, diesel engine oil compound H-1272, octyl / butyl diphenylamine. The specific content groups of each component are shown in Table 1. The production technology method is the same as the above-mentioned technical process.

[0051] When the Ⅱ type base oil is selected 600N 100℃ kinematic viscosity 12.05mm2 / s, synthetic ester TRS0812 100℃ kinematic viscosity 13.50mm2 / s, T612 viscosity index improver 100℃ kinematic viscosity viscosity increase coefficient is 3.8, this example product If the following formula is satisfied, the quantity of the formula is expressed as a percentage.

[0052] Table 1:

[0053]

[0054] It can be seen from Table 1 that the API CF-420W-50 diesel engine oil prep...

Example Embodiment

[0056] Example 6:

[0057] This example mainly mixes CF-4 10W-30 diesel engine oil

[0058] When Ⅱ type base oil is selected 500N 100℃ kinematic viscosity 10.0mm2 / s, synthetic ester TRS0812 100℃ kinematic viscosity 12.5mm2 / s, T612 viscosity index improver 100℃ kinematic viscosity viscosity increasing coefficient is 3.8. In this example, under the pressure of 0.2MP, transfer 78.26kg of 500N type II base oil that has been measured into a specific blending reactor, carry out cold oil pulse stirring for 0.5 hours, then start to heat up and heat to 45℃±5℃; According to the lubricating oil blending and metering controller, transfer 10.00kg of multi-element synthetic ester according to the metering number and stir for 0.5 hour; then transfer the online blended oil ester mixture to the 10 micron "advanced lubricating oil blending filtration system" for circulation filtration for 0.5 hours. Mix the mixture and remove impurities; transfer 2.00kg of the metered viscosity index improver into ...

Example Embodiment

[0059] Example 7:

[0060] This example mainly mixes CF-4 0W-40 diesel engine oil

[0061] When the class Ⅱ base oil is selected 600N 100℃ kinematic viscosity 11.59mm2 / s, 100℃ kinematic viscosity of synthetic ester TRS0812 is 13.5mm2 / s, T612 viscosity index improver 100℃ kinematic viscosity viscosity increasing coefficient is 3.8. The formula of this example is: Class II base oil 600N 64.53kg, multi-element synthetic ester 20.78kg, viscosity index improver 3.99kg, pour point depressant 1.50kg, diesel engine oil compound agent 7.00kg, friction modifier 0.05kg, high temperature antioxidant 2.00kg, antifoaming agent 0.10kg, demulsifying agent 0.05kg, etc. The main configuration process is the same as in Example 6.

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Abstract

The invention provides heavy-load agricultural diesel engine special oil and a production method thereof, synthetic ester, II type base oil, a viscosity index improver, a diesel engine oil compound agent, a pour point reducer, an antifoaming agent, a friction modifier, a high antioxidant and other components are used, most excellent technical parameters are screened by orthogonal experiment method and component ratio and dosage to use as technical formula parameters of the heavy-load agricultural diesel engine special oil, the heavy-load agricultural diesel engine special oil meets specification requirements of high-grade diesel engine oil of the level of API CF-4 or above, and has excellent thermal oxidation stability and oil/water separation property. The method improves the thermal oxidation stability, lubricity and oil/water separation properties of oil products, shortens the time of oil-water separation, prolongs lubrication protection ability and the service life of the oil products, saves resources, and the heavy-load agricultural diesel engine special oil can completely meet the oil requirements of 25-80 p heavy-load agricultural diesel engines.

Description

technical field [0001] The invention relates to a special oil for diesel engines, in particular to a special oil for heavy-duty agricultural diesel engines and a production method thereof. Background technique [0002] In China, the power equipment of large and medium-sized tractors in general agricultural engineering machinery is a diesel engine with 25 to 80 horses. It is more suitable to use CF-4 grade oil for oil selection, and choose oil with different viscosity grades according to different horsepower. . However, large and medium-sized tractors mainly work in hills and plains, and the working environment is far worse than those of locomotives driving on roads. Working in the mountains, the terrain is complex, the engine load is large, the oil temperature rises, and the oil is easily oxidized and deteriorated, resulting in the deposition of a large amount of sludge in the engine body, blocking the oil passage, and in severe cases, it will cause sintering of engine part...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M177/00C10N20/02C10N30/02C10N30/06C10N30/10C10N40/25
Inventor 熊维程覃丽琴廖宁飞张凤萍韦莎
Owner 广西飞日能源集团有限公司
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