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Direct injection engine air intake system carbon removal agent

A technology of air intake system and engine, which is applied in the direction of detergent compounding agent, detergent composition, detergent composition solvent, etc., and can solve the problems of not achieving carbon removal effect, destroying lubricating oil film, long disassembly and assembly time, etc. , achieve the effect of overcoming poor hydrolytic stability, high surface activity and rich foam

Active Publication Date: 2018-11-06
深圳市艾德化学品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At the same time, the components of carbon deposits are also different. The carbon deposits of a manifold injection (PFI) engine are mainly gasoline colloids, while the carbon deposits of a direct injection engine (GDI) are mainly caused by engine oil vapor, mostly oil impurities , so it is difficult to clean the carbon deposits of the direct injection engine (GDI) with conventional manifold injection (PFI) engine cleaning agents and cleaning equipment
[0005] At present, the method to solve the carbon deposit of manifold injection engine (PFI) is mainly to remove carbon by using an organic solvent decarburizer with a calorific value under engine idle speed. The organic solvent decarburizer can only clean surface carbon deposits or low-temperature deposits. Carbon, there is no decarbonization ability for the carbon deposits outside the intake valve, combustion chamber and fuel injector of direct injection vehicles, because the organic solvent has been burned at high temperature after reaching the engine fuel system, and the decarbonization effect cannot be achieved
At the same time, for direct injection engines (GDI), conventional cleaning methods and organic solvent decarburizers can destroy the lubricating oil film on the cylinder wall of the direct injection engine, seriously affecting the service life of the engine
In addition, dismantling the intake manifold to remove carbon from the intake system requires high technical requirements, and requires a long time for disassembly and assembly.

Method used

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  • Direct injection engine air intake system carbon removal agent
  • Direct injection engine air intake system carbon removal agent
  • Direct injection engine air intake system carbon removal agent

Examples

Experimental program
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Effect test

Embodiment 1

[0046] The raw materials of carbon removal agent for direct injection engine air intake system are as follows: 60% volatile solvent, 20% polymer bipolar polyetheramine, 15% solvent-based surfactant, 1% silicone gemini surfactant, fuel friction modifier 1%, rust inhibitor 2%, deionized water 1%. Among them, the rust inhibitor is coconut acid diethanolamide, the volatile solvent is methanol, the fuel friction modifier is Akzo Nobel’s Adsee 600, the solvent-based surfactant is Steposol MET-10U from Stepan, and the polymer bipolar polyether The amine is Huntsman's ED2003, and the silicone gemini surfactant is Compound 11.

[0047] Preparation method: at room temperature, first add volatile solvent to the reactor, then add other raw materials, mix and stir evenly.

[0048] figure 2 Inspect the intake valve for the endoscope before cleaning, image 3 In order to use the carbon remover prepared in this example to clean the endoscope to detect the intake valve. The model is a 201...

Embodiment 2

[0050] The raw materials of carbon remover for direct injection engine air intake system are as follows: 40% volatile solvent, 30% polymer bipolar polyetheramine, 5% solvent-based surfactant, 10% silicone gemini surfactant, fuel friction modifier 3%, antirust agent 2%, deionized water 10%. Among them, the antirust agent is coconut oil monoethanolamide, the volatile solvent is toluene, the fuel friction modifier is Adsee 600 from Akzo Nobel, the solvent-based surfactant is Steposol MET-10U from Stepan, and the polymer bipolar polyether The amine is Huntsman's ED900, and the silicone gemini surfactant is Compound 11.

[0051] Preparation method: at room temperature, first add volatile solvent to the reactor, then add other raw materials, mix and stir evenly.

Embodiment 3

[0053] The raw materials of carbon removal agent for direct injection engine air intake system are as follows: 30% volatile solvent, 25% polymer bipolar polyetheramine, 20% solvent-based surfactant, 5% silicone gemini surfactant, fuel friction modifier 5%, rust inhibitor 10%, deionized water 5%. Among them, the rust inhibitor is 5% oleic acid monoethanolamide and lauric acid diethanolamide 5%, the volatile solvent is ethanol 15%, ethylene glycol butyl ether 15%, the fuel friction modifier is Lubrizol 9525A, solvent-based surface active The agent is Steposol MET-10U of Stepan, and the polymer bipolar polyether amine is Huntsman's ED2003 silicone gemini surfactant is compound 12.

[0054] Preparation method: at room temperature, first add volatile solvent to the reactor, then add other raw materials, mix and stir evenly.

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Abstract

The invention discloses a direct injection engine air intake system carbon removal agent. The direct injection engine air intake system carbon removal agent is characterized by being prepared from thefollowing raw materials by mass percentage: 30 to 60% of volatile solvents, 20 to 50% of polymer bipolar polyether amine, 5 to 20% of solvent-type surfactants, 1 to 10% of organosilicone gemini surfactants, 1 to 10% of fuel friction modifiers, 1 to 10% of rust inhibitors, and 1 to 10% of deionized water. The direct injection engine air intake system carbon removal agent can clean sediment of carbon deposits, oil pollution and the like of a direct injection vehicle air intake system, restore engine performance, improve fuel economy, restore original vehicle power, and reduce emissions.

Description

technical field [0001] The invention relates to the field of carbon removers, in particular to a carbon remover for an air intake system of a direct injection engine. Background technique [0002] Carbon deposition is an unavoidable phenomenon during engine operation. Generally, the intake valve, fuel injector and combustion chamber of the engine fuel system will form carbon deposits and gums, especially for new cylinders For direct injection engines (GDI), the engine is very sensitive to the carbon deposits in the fuel injectors, intake valves and combustion chambers, and the carbon deposits in these parts need to be cleaned regularly, otherwise the engine power will drop, frequent failures will occur, and fuel consumption will increase , Increased engine wear, excessive emissions and other issues. [0003] The change of the structure of the fuel injection system leads to the difference in the formation of carbon deposits between the new direct injection engine (GDI) and t...

Claims

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Application Information

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IPC IPC(8): C11D1/825C11D3/43C11D3/44
CPCC11D1/66C11D1/72C11D1/82C11D1/825C11D3/187C11D3/201C11D3/2017C11D3/2068C11D3/43
Inventor 李厚成
Owner 深圳市艾德化学品科技有限公司
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