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Ultrasonic cleaners or water-based precision cleaners.
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I know I've used it, it's sold in Changchun, and it's called Carbon Invincible on Lingdong Road, which is very good.
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Tell you about my market research:
There are dismantling and non-dismantling for cleaning carbon deposits inside the car engine.
1) Foshan Nanhai Daily Cleaning Products Factory.
Products: car cleaning and care products.
Product Type & **:
Cleaning agent for automobile and motorcycle (composition is surfactant + auxiliary).
Concentrated engine cleaner.
Cleaning oil sludge and carbon deposits, 5 yuan 500ml, 500ml per bottle.
2) The main ingredient of engine cleaner:
1. The composition is relatively simple, generally composed of base oil + carbon deposition dissolving agent + detergent + dispersant.
2. Carbon deposition dissolving agent, dissolving and removing carbon deposits inside the engine, which dissolves it into lubricating oil, some of which are mainly solvent-based, such as kerosene, dibutyl ester, and butyl ether solvents.
3. The main function of the detergent is to neutralize the acidic grease and dirt, so that it is out of the pipeline and dispersed into the lubricating oil, mainly alkaline calcium salt.
Carbon deposition cleaner function:
The function of the dispersant is to disperse the substances that do not belong to the engine in the lubricating oil and better eliminate them from the body.
Some effective engine cleaners can remove some carbon deposits and discharge them, prolonging the life of the engine.
Quickly eliminate low-temperature gum, sludge and high-temperature carbon deposits in the internal lubrication system of the engine to ensure good lubrication.
Excellent cleaning dispersant that suspends the grease in the system in the oil and is easy to drain during oil changes.
During cleaning, an extreme pressure protective film is formed on the surface of the engine friction pair, which provides super anti-wear protection for the engine within a certain period of time.
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1.The substrate is of poor quality and has a high carbon content.
2.The degreaser is poor and cannot remove dust from the surface of the workpiece.
3.Low degreasing temperature or short time.
Carbon removal can only be considered in the first case. The decarbonizer cannot be added to the degreaser and requires a separate ash remover and a separate ash remover. Clause.
Second, the third situation needs to be achieved by degreasing agent, and carbon removal cannot be considered.
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According to what you say, it is the problem of the plate manufacturer, and the layer of gray film on the plate is not easy to remove.
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Hello, after reading your description, I didn't see what the problem was?
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Carbon deposition is a kind of coke-like substance produced by unsaturated olefins and gum in the fuel at high temperature during the working process of the engine. Carbon deposition is something that should be avoided as much as possible in EDM, especially in precision mold processing. If the carbon deposits have caused failures, such as idle jitter, difficult start-up, high idle speed, excessive exhaust gas, etc., it must be cleaned.
Conventional vehicles must also be cleaned every six months or 10,000 kilometers to deposit carbon. Cleaning can use some no-dismantling cleaning agents, such as the car Bell fuel system in the past, when all kinds of cleaners have not yet come out, the only way to remove carbon deposits is to decompose the engine, but in the past, most vehicles are still equipped with carburetors with large fuel injection, as long as the carbon deposits are not serious enough to hinder the operation of the valves, the engine is not obviously affected by carbon deposits, so there are not many cases of decomposing the engine specifically for removing carbon deposits. With the increasingly stringent automobile exhaust emission standards in various countries, carburetors are gradually replaced by injection fuel supply systems with more accurate fuel injection.
The fuel injection system controls the amount of fuel injected more accurately, and the absorption of oil and gas by carbon deposits will seriously affect the power performance of the engine, and even make the fuel injection system unable to operate. Therefore, the removal of carbon deposits from the intake valves and combustion chambers is part of the maintenance program for injection supply engines.
Fill with high-quality gasoline.
Impurities such as wax and gum in gasoline are the main components of carbon deposits, so gasoline with high cleanliness has a weaker tendency to form carbon deposits. Unfortunately, at present, the quality of gasoline in China is still low compared with developed countries, and it can only be simplified because of ugliness. It should be noted that high grade does not equal high quality, that is to say, the oil of No. 97 is not necessarily less impurities than that of No. 93, and the label only represents the octane number of the oil, not the quality and cleanliness.
In order to ensure the cleanliness of gasoline, some car owners will adopt the practice of adding gasoline detergent to gasoline. This can effectively prevent the formation of carbon deposits on the metal surface, and can gradually activate the original carbon deposits and slowly remove them, so as to protect the engine from damage. However, the addition of gasoline detergent must be cautious, if you add shoddy products, you will get the opposite effect.
Do not idle for long periods of time.
The longer the idle time, the longer the engine reaches normal temperature, and the slower the rate of evaporation of gasoline when it is injected into the back of the valve, which creates carbon deposits. At the same time, if you are driving at idle speed, the air flow into the engine will be small, so the scouring effect on carbon deposits will also be weak, which will promote the deposition of carbon deposits.
Run more at high speeds and try to increase the shift speed of the handstop car.
The purpose of running more high-speed is to use the scouring effect of the air flow on the intake tract to prevent carbon deposits. In addition, increasing the speed of shifting gears is also similar to running at high speed, turning the original gear shift at 2000 into 2500 conversion, which can not only effectively prevent the generation of carbon deposits, but also improve the dynamics of the car, and also avoid the detonation caused by too low shift speed and protect the engine. Carbon is invincible.
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