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Fuel oil additive, preparation method and application method thereof

A technology of additives and auxiliary additives, applied in the direction of fuel additives, fuel, petroleum industry, etc., can solve the problems of difficult heat dissipation, increased engine oil consumption, increased compression ratio of fuel engines, etc., and achieves a good removal effect.

Inactive Publication Date: 2017-05-10
3M INNOVATIVE PROPERTIES CO
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  • Abstract
  • Description
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Problems solved by technology

When the total amount of carbon deposits in the combustion chamber of the fuel engine increases, the compression ratio of the fuel engine may increase, and it is not easy to dissipate heat, resulting in an increase in the gas temperature at the end of the compression in the combustion chamber and an increase in the octane number requirement. May increase the mechanical interference between the piston top and the cylinder head in the combustion chamber of a fuel engine, creating a "carbon knock" phenomenon that increases engine fuel consumption

Method used

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  • Fuel oil additive, preparation method and application method thereof
  • Fuel oil additive, preparation method and application method thereof
  • Fuel oil additive, preparation method and application method thereof

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Embodiment 1-7

[0145] According to the method described above, according to the formula listed in Table 2 (the values ​​listed in Table 2 are all in weight percentage), under the conditions of normal temperature (about 25°C) and normal pressure (about 1 atmospheric pressure), Put each component of the fuel additive into a stainless steel container and mix to obtain fuel additives 1-7.

[0146] According to the method described above, the carbon deposit removal rate of the fuel engine intake valve and the carbon deposit removal rate of the fuel engine combustion chamber of fuel additives 1-7 were tested, and the results are listed in Table 3.

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PUM

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Abstract

The invention relates to a fuel oil additive. The fuel oil additive comprises the following components by gross weight according to 100 wt%: 70wt% to 90wt% of nonyl phenol polyether amine, 10wt% to 30wt% of polyisobutylene amine, and 0 to 20wt% of an auxiliary additive. The fuel oil additive disclosed by the invention is good in capability of removing accumulated carbon in a gas charging valve of a gasoline engine and a combustion chamber.

Description

technical field [0001] The present disclosure relates to a fuel additive, in particular to a fuel additive that can be used to remove carbon deposits in an intake valve and a combustion chamber of a fuel engine. Background technique [0002] The working temperature of the intake valve of the fuel engine of the car is about 170-180°C. Under this temperature condition, the olefins contained in the fuel (especially gasoline) may be oxidized due to its instability and form colloidal carbon deposits. And attached to the back of the intake valve, thus affecting the efficiency of the intake valve. [0003] The working temperature of the fuel engine combustion chamber of a car is about 250-600°C. Under this temperature condition, the aromatics contained in fuel (especially gasoline) may be combusted to form carbon deposits and deposit in the combustion chamber. When the total amount of carbon deposits in the combustion chamber of a fuel engine increases, the compression ratio of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/2387C10L1/236
CPCC10L1/146C10L1/236C10L1/2387C10L1/191C10L1/238C10L1/2383C10L10/04C10L2200/0423C10L2270/023C10L1/1983
Inventor 霍鑫史志宇郑弘哲孙新马思边
Owner 3M INNOVATIVE PROPERTIES CO
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