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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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 the field, the air is humid The engine operates in such a harsh environment, and the temperature rises during the long-term working process of the engine, which makes the oil easy to oxidize in contact with air and emulsified when it meets water, resulting in damage to the oil film. shorten the service life of oil

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
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Effect test

example 1

[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, polyalphaolefin compound, polymethacrylate viscosity index improver, polymethacrylate Type pour point depressant, synthetic sulfonate, diesel engine oil compounding agent H-1272, octyl / butyl diphenylamine. The specific content groups of each component are shown in Table 1. Its production technology method is the same according to the above-mentioned technical process.

[0051] When the kinematic viscosity of 600N at 100°C is 12.05mm2 / s for Group II base oil, the 100°C kinematic viscosity of synthetic ester TRS0812 is 13.50mm2 / s, and the 100°C kinematic viscosity of T612 viscosity index improver is 3.8, the example product Satisfy the following formula, and its formula quantity is represented by percentage content.

[0052] Table 1:

[0053]

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

example 6

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

[0058] When the 100°C kinematic viscosity of 500N Ⅱ base oil is 10.0mm2 / s, the 100°C kinematic viscosity of synthetic ester TRS0812 is 12.5mm2 / s, and the 100°C kinematic viscosity of T612 viscosity index improver is 3.8. In this example, under the pressure of 0.2MP, the measured 500N 78.26kg of Group II base oil was transferred to a specific blending reactor, and the temperature was raised to 45°C ± 5°C after performing cold oil pulse stirring for 0.5 hours; According to the lubricating oil blending metering controller, transfer 10.00 kg of multi-component synthetic ester according to the metering number, and stir for 0.5 hours; then transfer the online blending oil and ester mixture to a 10-micron "advanced lubricating oil blending and filtering system" for 0.5 hours of circulation filtration, Make the mixture uniform and remove impurities; transfer 2.00 kg of the measured viscosity index improver into the ble...

example 7

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

[0061] When 600N 100°C kinematic viscosity is selected as Group II base oil, the 100°C kinematic viscosity of synthetic ester TRS0812 is 13.5mm2 / s, and the 100°C kinematic viscosity of T612 viscosity index improver is 3.8. The example formula includes: 64.53kg of 600N type II base oil, 20.78kg of multi-component synthetic ester, 3.99kg of viscosity index improver, 1.50kg of pour point depressant, 7.00kg of diesel engine oil compounding agent, 0.05kg of friction modifier, high temperature antioxidant 2.00kg, anti-foaming agent 0.10kg, anti-emulsifying agent 0.05kg, etc., the main configuration process is the same as 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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