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Specific engine oil for natural gas and gasoline dual-fuel engine and preparation method thereof

A dual-fuel engine and natural gas technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of difficult production process, unsatisfactory effect, complex production formula, etc., and achieve excellent thermal stability, prominent viscosity index, high The effect of saturation

Inactive Publication Date: 2015-07-01
山东浩泰天然气股份有限公司
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  • Summary
  • Abstract
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  • Application Information

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Problems solved by technology

But its problem is that the production formula is complicated, the production process is difficult, and the cost is high. In addition, the effect is not very ideal.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] A special engine oil for a natural gas and gasoline dual-fuel engine mentioned in the present invention comprises the following components and is made by mass percentage: 220N base oil 46.18%, 400N base oil 15%, polyalphaolefin base oil PAO-10 20% , 502 antioxidant 0.02%, 614 viscosity index improver 7.0%, 803B polya-olefin-2 pour point depressant 0.02%, 8888 compound agent 1.6%, T102 detergent dispersant 1.7%, trinitrogen phosphorus oxymolybdenum 4.0%, T106 high base value synthetic calcium iodate detergent 0.3%, zinc borate 1%, methyl tert-butyl ether antiknock agent 0.3%, nano copper 0.02%, triethyl phosphate oily agent 0.14%, di-n-butyl phosphite Antiwear agent 0.42%, OLOA1255Z ashless low carbon additive 2.3%.

[0013] Among them, the kinematic viscosity of 220N base oil is at 40°C, mm2 / s 45-50, pour point -15°C; the kinematic viscosity of 400N base oil is at 40°C, mm2 / s96-100, pour point≤-8 ℃. T102 detergent and dispersant, also known as high ash calcium pet...

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Abstract

The invention relates to specific engine oil for natural gas and gasoline dual-fuel engine and a preparation method thereof. The specific engine oil comprises the following components in percentage by weight: 46.18% of 220N base oil, 15% of 400N base oil, 20% of polyalpha-olefin base oil PAO-10, 0.02% of an antioxidant, 7.0% of a viscosity index improver, 0.02% of a pour point depressant, 1.6% of a complexing agent, 1.7% of a clearing dispersing agent, 4.0% of trinitrogen molybdenum phosphorus oxide, 0.3% of a clearing agent, 1% of zinc borate, 0.3% of an antidetonant, 0.02% of nanocopper, 0.14% of an oiliness agent, 0.42% of an anti-wear agent and 2.3% of an ash-free low-carbon additive. The specific engine oil for natural gas has the beneficial effects that (1) the specific engine oil can meet requirements of two fuels and can be normally used at relatively high and low temperatures; (2) the specific engine oil is prominent high in viscosity index, relatively high in saturability and relatively low in evaporation loss ratio; (3) the specific engine is relatively high in explosion resistance and can meet environment-friendly requirements; (4) the specific engine oil has ultrastrong piston cylinder body repair capacity and excellent heat stability; (5) the specific engine oil is relatively strong in lubricating capacity and relatively low in operation resistance, and the service life is prolonged; and (6) the specific engine oil is relatively strong in oxidization and wear resistance.

Description

technical field [0001] The invention relates to a special engine oil for a dual-fuel engine and a production method thereof, in particular to a special engine oil for a natural gas and gasoline dual-fuel engine and a production method thereof. Background technique [0002] The natural gas dual-fuel vehicle is a new type of alternative fuel vehicle recognized in the world as energy-saving, low-pollution, economical and safe. Generally, there are two sets of fuel supply systems. One system supplies natural gas or liquefied petroleum gas, and the other supplies fuel other than natural gas or liquefied petroleum gas. The two fuel supply systems supply fuel to the cylinder according to a predetermined ratio. For mixed-combustion vehicles, natural gas is a clean energy source, its main component is methane, and the main products after combustion are carbon dioxide and water. Compared with gasoline vehicles, the CO in exhaust emissions is reduced by about 90%, HC by about 50%, NO ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10M177/00C10N30/02C10N30/10C10N30/06C10N40/25
Inventor 王浩文王军伟项在田
Owner 山东浩泰天然气股份有限公司
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