CN110846670A - Cleaning agent for diesel fuel system and preparation method thereof - Google Patents
Cleaning agent for diesel fuel system and preparation method thereof Download PDFInfo
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- CN110846670A CN110846670A CN201911150441.9A CN201911150441A CN110846670A CN 110846670 A CN110846670 A CN 110846670A CN 201911150441 A CN201911150441 A CN 201911150441A CN 110846670 A CN110846670 A CN 110846670A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/024—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing hydrocarbons
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Abstract
The invention discloses a cleaning agent for a diesel oil fuel system and a preparation method thereof, wherein the cleaning agent is prepared from the following raw materials in parts by weight: 12-25% of N-methyl pyrrolidone, 10-20% of diethylene glycol monobutyl ether, 20-46% of dimethylbenzene, 0.3-1% of corrosion inhibitor, 10-23% of combustion-supporting water repellent agent, 10-18% of polyether amine and 3-6% of dispersing agent. The preparation method is simple, the problems of carbon deposition cleaning of the diesel engine, excessive tail gas and oil saving and long engine overhaul time are solved.
Description
Technical Field
The invention relates to the technical field of cleaning agents, and particularly relates to a cleaning agent for a diesel fuel system and a preparation method of the cleaning agent.
Background
Original diesel engine carbon deposit accumulation causes engine power to descend, consume the fuel, the tail gas exceeds standard, need overhaul seriously, overhaul economic cost is big, the tail gas PM2.5 that exceeds standard is big to environmental pollution, diesel engine is extensive to be applied to on large-scale diesel automobile, the gas mixture in the diesel engine cylinder is compression ignition, rather than lighting, in actual working process, can lead to the diesel oil insufficient combustion because of various reasons, can produce a large amount of waste gas, contain a large amount of carbon black and harmful gas in the waste gas, the carbon black can make diesel engine sprayer's nozzle block up, thereby make the burning deteriorate, form vicious circle, not only fuel consumption increases, and can discharge more waste gases, the polluted environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cleaning agent for a diesel oil fuel system and a preparation method thereof, which are simple to prepare, and can be used for overcoming the problems of carbon deposition cleaning of a diesel engine, over-standard tail gas, oil saving and prolonged overhaul time of the engine.
In order to achieve the aim of the invention, the invention adopts the specific scheme that:
a cleaning agent for a diesel oil fuel system and a preparation method thereof are prepared from the following raw materials in parts by weight: 12-25% of N-methyl pyrrolidone, 10-20% of diethylene glycol monobutyl ether, 20-46% of dimethylbenzene, 0.3-1% of corrosion inhibitor, 10-23% of combustion-supporting water repellent agent, 10-18% of polyether amine and 3-6% of dispersing agent.
Further, the corrosion inhibitor is diethanolamine.
Further, the combustion-supporting water repellent agent is isopropanol.
Further, the dispersant is oleylamine.
Further, the preparation method of the cleaning agent for the diesel fuel system comprises the following steps:
(1) adding N-methyl pyrrolidone, diethylene glycol butyl ether, xylene and a corrosion inhibitor into a reaction kettle, stirring for 25-30 minutes at 35-40 ℃, and continuously adding a combustion-supporting water repellent agent, polyetheramine and a dispersing agent;
(2) and (3) putting the mixture obtained in the step (1) into an evaporator, performing rotary distillation for 1-1.5 hours, extracting supernatant, and putting the supernatant into a filtering centrifuge for centrifugation at 1600 rpm to obtain the cleaning agent.
The invention has the beneficial effects that:
the cleaning agent is simple to prepare, is suitable for a diesel engine, can clean carbon deposits of a combustion chamber, an oil nozzle and an air valve of the diesel engine to achieve the effects of saving oil, reducing emission and protecting environment, has a good cleaning effect on the oil nozzle, can clean a carbon black layer formed after coking on the surfaces of a cylinder and a piston, forms a protective film on the surface of metal, and is free of corrosion, low in cost, environment-friendly and nontoxic.
Detailed Description
The present invention is further described below by way of specific examples, but the present invention is not limited to only the following examples. Variations, combinations, or substitutions of the invention, which are within the scope of the invention or the spirit, scope of the invention, will be apparent to those of skill in the art and are within the scope of the invention.
Example 1: a cleaning agent for a diesel oil fuel system and a preparation method thereof are prepared from the following raw materials in parts by weight: 12% of N-methyl pyrrolidone, 10% of diethylene glycol butyl ether, 20% of dimethylbenzene, 0.3% of corrosion inhibitor, 10% of combustion-supporting water repellent, 10% of polyether amine and 3% of dispersing agent.
The corrosion inhibitor is diethanol amine. The combustion-supporting water repellent agent is isopropanol. The dispersant is oleylamine.
The preparation method of the cleaning agent for the diesel fuel system comprises the following steps:
(1) adding N-methyl pyrrolidone, diethylene glycol butyl ether, xylene and a corrosion inhibitor into a reaction kettle, stirring for 25-30 minutes at 35-40 ℃, and continuously adding a combustion-supporting water repellent agent, polyetheramine and a dispersing agent;
(2) and (3) putting the mixture obtained in the step (1) into an evaporator, performing rotary distillation for 1-1.5 hours, extracting supernatant, and putting the supernatant into a filtering centrifuge for centrifugation at 1600 rpm to obtain the cleaning agent.
Example 2: a cleaning agent for a diesel oil fuel system and a preparation method thereof are prepared from the following raw materials in parts by weight: 18.5% of N-methyl pyrrolidone, 15% of diethylene glycol monobutyl ether, 33% of xylene, 0.5% of corrosion inhibitor, 16.5% of combustion-supporting water repellent agent, 14% of polyether amine and 4.5% of dispersing agent.
The corrosion inhibitor is diethanol amine. The combustion-supporting water repellent agent is isopropanol. The dispersant is oleylamine.
The preparation method of the cleaning agent for the diesel fuel system comprises the following steps:
(1) adding N-methyl pyrrolidone, diethylene glycol butyl ether, xylene and a corrosion inhibitor into a reaction kettle, stirring for 25-30 minutes at 35-40 ℃, and continuously adding a combustion-supporting water repellent agent, polyetheramine and a dispersing agent;
(2) and (3) putting the mixture obtained in the step (1) into an evaporator, performing rotary distillation for 1-1.5 hours, extracting supernatant, and putting the supernatant into a filtering centrifuge for centrifugation at 1600 rpm to obtain the cleaning agent.
Example 3: a cleaning agent for a diesel oil fuel system and a preparation method thereof are prepared from the following raw materials in parts by weight: 25% of N-methyl pyrrolidone, 20% of diethylene glycol butyl ether, 46% of dimethylbenzene, 1% of corrosion inhibitor, 23% of combustion-supporting water repellent agent, 18% of polyether amine and 6% of dispersing agent.
The corrosion inhibitor is diethanol amine. The combustion-supporting water repellent agent is isopropanol. The dispersant is oleylamine.
The preparation method of the cleaning agent for the diesel fuel system comprises the following steps:
(1) adding N-methyl pyrrolidone, diethylene glycol butyl ether, xylene and a corrosion inhibitor into a reaction kettle, stirring for 25-30 minutes at 35-40 ℃, and continuously adding a combustion-supporting water repellent agent, polyetheramine and a dispersing agent;
(2) and (3) putting the mixture obtained in the step (1) into an evaporator, performing rotary distillation for 1-1.5 hours, extracting supernatant, and putting the supernatant into a filtering centrifuge for centrifugation at 1600 rpm to obtain the cleaning agent.
The use method of the cleaning agent comprises the following steps:
the external cleaning machine is connected with the oil inlet pipe and the oil return pipe or is added with an oil tank to start the vehicle to burn and clean, the cleaning machine is provided with a booster pump to avoid exhaust, experimental data show that 1L of cleaning the carbon deposition area of the combustion chamber at one time is 85%, the oil is saved by 12%, the pressure of the oil nozzle is recovered to be normal, and the carbon deposition of the valve is cleaned by 60%.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The cleaning agent for the diesel oil fuel system and the preparation method thereof are characterized by being prepared from the following raw materials in parts by weight: 12-25% of N-methyl pyrrolidone, 10-20% of diethylene glycol monobutyl ether, 20-46% of dimethylbenzene, 0.3-1% of corrosion inhibitor, 10-23% of combustion-supporting water repellent agent, 10-18% of polyether amine and 3-6% of dispersing agent.
2. The cleaning agent for the diesel fuel system and the preparation method thereof as claimed in claim 1, wherein the corrosion inhibitor is diethanolamine.
3. The cleaning agent for the diesel fuel system and the preparation method thereof as claimed in claim 1, wherein the combustion-supporting water-displacing agent is isopropanol.
4. The cleaning agent for the diesel fuel system and the preparation method thereof as claimed in claim 1, wherein the dispersant is oleylamine.
5. The cleaning agent for the diesel fuel system and the preparation method thereof as claimed in claim 1, wherein the preparation method of the cleaning agent for the diesel fuel system comprises the following steps:
(1) adding N-methyl pyrrolidone, diethylene glycol butyl ether, xylene and a corrosion inhibitor into a reaction kettle, stirring for 25-30 minutes at 35-40 ℃, and continuously adding a combustion-supporting water repellent agent, polyetheramine and a dispersing agent;
(2) and (3) putting the mixture obtained in the step (1) into an evaporator, performing rotary distillation for 1-1.5 hours, extracting supernatant, and putting the supernatant into a filtering centrifuge for centrifugation at 1600 rpm to obtain the cleaning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150441.9A CN110846670A (en) | 2019-11-21 | 2019-11-21 | Cleaning agent for diesel fuel system and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150441.9A CN110846670A (en) | 2019-11-21 | 2019-11-21 | Cleaning agent for diesel fuel system and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110846670A true CN110846670A (en) | 2020-02-28 |
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| CN201911150441.9A Pending CN110846670A (en) | 2019-11-21 | 2019-11-21 | Cleaning agent for diesel fuel system and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251297A (en) * | 2020-11-09 | 2021-01-22 | 3M中国有限公司 | Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition and method for cleaning engine carbon deposit |
| CN112410131A (en) * | 2020-11-09 | 2021-02-26 | 3M中国有限公司 | Cleaning composition for engine intake valve deposits, method for producing the same, and method for cleaning engine intake valve deposits |
| CN112680283A (en) * | 2020-12-28 | 2021-04-20 | 广东好顺欧迪斯科技股份有限公司 | Foam type cleaning agent, preparation method and application thereof |
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| US20180298041A1 (en) * | 2014-04-30 | 2018-10-18 | Vantage Specialties, Inc. | Phosphate composition |
| CN108753479A (en) * | 2018-06-05 | 2018-11-06 | 深圳市艾德化学品科技有限公司 | A kind of direct fuel-injection engine gas handling system decarbonizer |
| CN109652223A (en) * | 2018-12-19 | 2019-04-19 | 蔡洪涛 | A kind of composition, preparation method, application and automobile engine fuel oil box |
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2019
- 2019-11-21 CN CN201911150441.9A patent/CN110846670A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180298041A1 (en) * | 2014-04-30 | 2018-10-18 | Vantage Specialties, Inc. | Phosphate composition |
| CN108753479A (en) * | 2018-06-05 | 2018-11-06 | 深圳市艾德化学品科技有限公司 | A kind of direct fuel-injection engine gas handling system decarbonizer |
| CN108659993A (en) * | 2018-06-26 | 2018-10-16 | 广东月福汽车用品有限公司 | A kind of carbon deposit cleaning agent for gasoline In-cylinder direct injection engine combustion chamber |
| CN109652223A (en) * | 2018-12-19 | 2019-04-19 | 蔡洪涛 | A kind of composition, preparation method, application and automobile engine fuel oil box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251297A (en) * | 2020-11-09 | 2021-01-22 | 3M中国有限公司 | Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition and method for cleaning engine carbon deposit |
| CN112410131A (en) * | 2020-11-09 | 2021-02-26 | 3M中国有限公司 | Cleaning composition for engine intake valve deposits, method for producing the same, and method for cleaning engine intake valve deposits |
| CN112251297B (en) * | 2020-11-09 | 2021-09-21 | 3M中国有限公司 | Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition and method for cleaning engine carbon deposit |
| CN112410131B (en) * | 2020-11-09 | 2022-04-12 | 3M中国有限公司 | Cleaning composition for engine intake valve deposits, method for producing the same, and method for cleaning engine intake valve deposits |
| CN112680283A (en) * | 2020-12-28 | 2021-04-20 | 广东好顺欧迪斯科技股份有限公司 | Foam type cleaning agent, preparation method and application thereof |
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Application publication date: 20200228 |