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Lubricating oil for natural gas and gasoline dual purpose fuel engine

A dual-purpose fuel and engine technology, applied in lubricating compositions, petroleum industry, additives, etc., can solve problems such as corrosion, excessive sludge, shortened engine overhaul mileage, etc.

Inactive Publication Date: 2006-11-15
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the price of engine lubricating oil for natural gas on the market is higher than that of ordinary gasoline engine oil. It is difficult to promote the use of natural gas engine lubricating oil to natural gas and gasoline dual-fuel vehicles. The engine lubricating oil used in such vehicles is still gasoline engine lubricating oil , because natural gas and gasoline dual-purpose fuel engines use natural gas, the temperature of the combustion chamber is high, the temperature of the exhaust gas is high, the gasoline engine lubr

Method used

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  • Lubricating oil for natural gas and gasoline dual purpose fuel engine
  • Lubricating oil for natural gas and gasoline dual purpose fuel engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Taking the production of product 100kg of the present invention as an example, the raw materials used and their weight proportions are:

[0059] Paraffin-based neutral oil 70kg

[0060] Residue oil 15kg

[0061] Ethylene Propylene Copolymer 4kg

[0062] Hydrogen adjusted polyalphaolefin 0.9992kg

[0063] Methyl silicone oil 0.0008kg

[0064] Low base value synthetic calcium sulfonate 1.0kg

[0065] High base value synthetic calcium sulfonate 1.5kg

[0066] Monoalkenylsuccinimide 2.0kg

[0067] Dienyl succinimide 2.0kg

[0068] Secondary thiophosphoryl zinc salt 1.5kg

[0069] Dialkylmolybdenum dithiophosphate 0.5kg

[0070] Alkylated diphenylamine 0.5kg

[0071] Polymer phenol containing ester group 0.5kg

[0072] Benzotriazole 0.5kg

[0073] The kinematic viscosity of the above-mentioned paraffin-based neutral oil at 40°C is (95-107) mm 2 / s, the kinematic viscosity of residual distillate oil at 100°C is (30~33)mm 2 / s, the molecular weight of the ethylene...

Embodiment 2

[0077] Taking the production of product 100kg of the present invention as an example, the raw materials used and their weight proportions are:

[0078] Paraffin-based neutral oil 80kg

[0079] Residual oil 9kg

[0080] Ethylene Propylene Copolymer 2kg

[0081] Hydrogen adjusted polyalpha olefin 1.0kg

[0082] Methyl silicone oil 0.001kg

[0083] Low base value synthetic calcium sulfonate 0.5kg

[0084] High base value synthetic calcium sulfonate 1.0kg

[0085] Monoalkenylsuccinimide 1.899kg

[0086] Dienyl succinimide 3.0kg

[0087] Secondary thiophosphoryl zinc salt 0.8kg

[0088] Dialkylmolybdenum dithiophosphate 0.2kg

[0089] Alkylated diphenylamine 0.2kg

[0090] Polymer phenol containing ester group 0.2kg

[0091] Benzotriazole 0.2kg

[0092] The kinematic viscosity of the above-mentioned paraffin-based neutral oil at 40°C is (95-107) mm 2 / s, the kinematic viscosity of residual distillate oil at 100°C is (30~33)mm 2 / s, the molecular weight of the ethylene-...

Embodiment 3

[0095] Taking the production of product 100kg of the present invention as an example, the raw materials used and their weight proportions are:

[0096] Paraffin-based neutral oil 58kg

[0097] Residue oil 20kg

[0098] Ethylene Propylene Copolymer 6kg

[0099] Hydrogen adjusted polyalpha olefin 1.0kg

[0100] Methyl silicone oil 0.0005kg

[0101] Low base value synthetic calcium sulfonate 1.5kg

[0102] High base value synthetic calcium sulfonate 2.0kg

[0103] Monoalkenylsuccinimide 3.0kg

[0104] Dienyl succinimide 2.8995kg

[0105] Phosphor secondary alcohol zinc salt 2.8kg

[0106] Dialkylmolybdenum dithiophosphate 0.7kg

[0107] Alkylated diphenylamine 0.7kg

[0108] Polymer phenol containing ester group 0.7kg

[0109] Benzotriazole 0.7kg

[0110] The kinematic viscosity of the above-mentioned paraffin-based neutral oil at 40°C is (95-107) mm 2 / s, the kinematic viscosity of residual distillate oil at 100°C is (30~33)mm 2 / s, the molecular weight of the ethylen...

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Abstract

A lubricating oil for the convertible fuel motor of the natural gas and the petrol is made up of the paraffin neutral oil 58%-80%, the residual oil 9%-20%, the ethylene-propylene copolymer 2%-6%, the poly a olefin adjusted by the hydrogen 0.6%-1.0%, the methyl silicone oil 0.0005-0.001%, the calcium alkylbenzenesulfonate with the low base number 0.5%-1.5%, the calcium alkylbenzenesulfonate with the high base number 1.0%-2.0%, the single allyl succinyl imine 1.5%-3.0%, the double allyl succinyl imine 1.5%-3.0%, the sulfur phosphorus secondary alcohol zinc salt 0.8%-2.8%, the dialkyl phosphorodithioic acid molybdenum 0.2%-0.7%, the alkyl diphenylamine 0.2%-0.7%, the high molecular phenol with the ester 0.2%-0.7%, the triazol 0.2%-0.7%.The product can meet the need of the convertible fuel motor after the small and the pilot plant.

Description

technical field [0001] The invention belongs to the technical field of improving specific physical properties or chemical properties with additives characterizing lubricating oil compositions, such as multifunctional additives. Background technique [0002] As people's awareness of energy saving and environmental protection gradually increases, countries have stricter air quality control and vehicle emission requirements. As one of the effective means to solve the problem of vehicle emission pollution, gas vehicles have a very bright development prospect. The world's major automobile manufacturing companies are stepping up the development and research of gas fuel (compressed natural gas or LPG) engines, dual fuel (natural gas and diesel or LPG / diesel) engines and dual fuel (natural gas and gasoline or LPG / gasoline) engines. The natural gas and gasoline dual-purpose fuel engine vehicle is to install a natural gas-type vehicle compressed natural gas supply device under the con...

Claims

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Application Information

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IPC IPC(8): C10M161/00C10M133/44C10M137/10C10M143/00C10M155/02C10N40/25
Inventor 董元虎尹兴林黄引贤冯豫川胡振雄高玉侠番西友张一清袁伟杨超
Owner CHANGAN UNIV
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