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A kind of synthetic gas engine oil and preparation method thereof

A gas engine, oil-soluble technology, used in the petroleum industry, lubricating compositions, etc., can solve the problems of lack of liquid lubricity, easy oxidation and nitration of oil, poor lubricity, etc., and achieve long oil change intervals, excellent deposition control and equipment. Cleanliness, high viscosity index effect

Active Publication Date: 2015-11-18
TEXAS PETROCHEM YANTAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the strengthening of environmental protection awareness around the world, environmental emission regulations are becoming increasingly strict, coupled with the depletion of petroleum resources, gaseous fuels to replace gasoline and diesel has become an inevitable trend of social development, but gaseous fuels exist in the form of gas in the combustion chamber, there is no similar The liquid lubricating performance of gasoline and diesel oil, severe dry friction will lead to wear and tear of parts; there is no effect of cooling the air entering the combustion chamber through evaporation of liquid fuel, so the temperature of the combustion chamber will be higher, the oil is easy to oxidize and nitrate and deteriorate, and the lubricating ability is poor

Method used

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  • A kind of synthetic gas engine oil and preparation method thereof
  • A kind of synthetic gas engine oil and preparation method thereof
  • A kind of synthetic gas engine oil and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: (in terms of 100 kilograms, the same below)

[0021]

[0022]

[0023] The composite additive package contains 1.09% calcium, 0.26% zinc, 0.86% nitrogen and 0.22% phosphorus.

[0024] The preparation method of the synthetic gas engine oil adopts the following steps:

[0025] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 60°C to obtain a mixed oil A;

[0026] (2) Add the above-mentioned compound additive package and viscosity index improver (polymethacrylate) to the mixed oil A prepared in step (1), and continue mechanical stirring at a constant temperature of 60°C for 2 hours to prepare mixed oil B ;

[0027] (3) Filter the mixed oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.2 MPa to obtain clear and transparent synthetic gas engine oil.

Embodiment 2

[0029]

[0030] The composite additive package contains 2.63% calcium, 1.26% zinc and 1.12% phosphorus.

[0031] The preparation method of the synthetic gas engine oil adopts the following steps:

[0032] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 55°C to obtain a mixed oil A;

[0033] (2) Add the above-mentioned compound additive package and viscosity index improver (hydrogenated styrene isoprene copolymer) to the mixed oil A prepared in step (1), and continue mechanical stirring for 1.5 hours at a constant temperature of 55°C. Prepare mixed oil B;

[0034] (3) Filter the blended oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.15 MPa to obtain clear and transparent synthetic gas engine oil.

Embodiment 3

[0036]

[0037] The composite additive package contains 2.28% calcium, 1.07% zinc, 0.92% phosphorus, 7.37% sulfur and 0.19% molybdenum.

[0038] The preparation method of the synthetic gas engine oil adopts the following steps:

[0039] (1) Pump the oil-soluble polyalkylene polyglycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 50°C to obtain a mixed oil A;

[0040] (2) Add the above-mentioned compound additive package and viscosity index improver (polymethacrylate) to the mixed oil A prepared in step (1), and continue mechanical stirring at a constant temperature of 50°C for 1 hour to prepare mixed oil B ;

[0041] (3) Filter the blended oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.1 MPa to obtain clear and transparent synthetic gas engine oil.

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Abstract

The invention relates to the field of engine oil, and particularly discloses synthetic gas engine oil and a preparation method thereof. The synthetic gas engine oil comprises components by weight percent: 5.8%-11.5% of composite additive package, 5.0%-9.0% of a viscosity index improver, 60%-85% of oil-soluble UCON and the rest of base oil. The synthetic gas engine oil disclosed by the invention has the beneficial effects of reasonable composition, good viscosity temperature performance, and better high-temperature oil film retentivity, rare deposition, little acid value and viscosity changes, and obvious cleaning performance, long oil change period, and good oxidation and nitrification resistance at high temperature. The synthetic gas engine oil can inhibit the production of oil sludge, control sediment on a piston and an air valve; reasonable ash content can prevent wear of machine parts and protect parts such as an engine; the synthetic gas engine oil meets the needs of different fuels and different ash content products, and has excellent performance in top ring groove charcoal, platform charcoal, piston, ring and cylinder liner abrasion and the like.

Description

(1) Technical field [0001] The invention relates to the field of engine oil, in particular to a synthetic gas engine oil and a preparation method thereof. (2) Background technology [0002] With the strengthening of environmental protection awareness around the world, environmental emission regulations are becoming increasingly strict, coupled with the depletion of petroleum resources, gaseous fuels to replace gasoline and diesel has become an inevitable trend of social development, but gaseous fuels exist in the form of gas in the combustion chamber, there is no similar The liquid lubricating performance of gasoline and diesel oil, severe dry friction will lead to wear and tear of parts; there is no effect of cooling the air entering the combustion chamber through evaporation of liquid fuel, so the temperature of the combustion chamber will be higher, the oil is easy to oxidize and nitrate and deteriorate, and the lubricating ability is poor . (3) Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10M177/00C10N30/02C10N30/04C10N30/12C10N30/10C10N40/25
Inventor 王述申李晓丽
Owner TEXAS PETROCHEM YANTAI