Complexing agent for automatically purifying, repairing and increasing driving mileage of engine fuel system

By developing an engine fuel system composite agent containing multiple functional components, the problem of severe wear of old vehicles resulting in poor exhaust emission standards has been solved, and multiple performance improvements of lubricating oil have been achieved, which extends service life and reduces fuel consumption.

CN119955552AInactive Publication Date: 2025-05-09GUANGDONG DAFA ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO LTD
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Patent Information

Application Number
CN202510016632.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-05-09
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Due to the severe wear between the cylinder and cylinder liner of the engine fuel system of old vehicles, the engine sealing performance is poor, the fuel burns incompletely, the exhaust emissions cannot meet the national standards, and forced scrapping is required, and there is a lack of repairable composite agent.

Method used

A composite agent for automatic purification and wear repair of engine fuel system has been developed. The composite agent is formed by forming a composite agent through base oil, antioxidants, detergents, thickeners, dispersants, extreme pressure antiwear agents, SAP surfactants, corrosion inhibitors, coagulation inhibitors, metal deactivators, nano-zinc and tungsten disulfide and other components, and the product is prepared by stirring and heating.

Benefits of technology

This composite agent significantly improves the anti-oxidation, corrosion and clean dispersion effects of lubricant, and enhances the anti-wear and extreme pressure resistance, reduces noise and exhaust emissions, extends the oil change cycle, saves fuel, and comprehensively improves the performance of lubricant.

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Abstract

The invention discloses an automatic wear-purifying, repairing and mileage-increasing complexing agent for an engine fuel system, and relates to the technical field of lubricating oil. The composition comprises base oil; an oxidation and corrosion inhibitor; a detergent; a thickening agent; a dispersant; an anti-wear reagent at extreme pressure; an SAP-based surfactant; a rust inhibitor; a pour point depressant; a metal deactivator; nano zinc; and tungsten disulfide. The antioxidant is dihydro benzothiophene, and the antioxidant is dihydro benzothiophene; the clearing agent is an LZ clearing agent; the dispersing agent is polyisobutylene bis (succinimide); the preparation method disclosed by the invention is simple, the prepared product is low in price, high in efficacy and high in cost performance, the comprehensive efficacy of the lubricating oil is fully played, and the lubricating oil has a very strong repairing effect on aging wear of mechanical equipment, so that the anti-oxidation, anti-corrosion, cleaning and dispersing effects of the lubricating oil can be improved, and meanwhile, the anti-wear and anti-extreme-pressure effects are improved; noise and tail gas emission are reduced, the oil change period is prolonged, fuel oil is saved, and the comprehensive effect of lubricating oil is completely improved.
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Description

Technical Field

[0001] The invention relates to the technical field of lubricating oil, in particular to a composite agent for automatically purifying, repairing, and increasing mileage of an engine fuel system. Background Art

[0002] In recent years, with the rapid development of my country's economy, the number of motor vehicles in my country has increased rapidly at an average annual rate of more than 11%, making China the world's largest automobile sales country. The rapid growth of the number of motor vehicles has made motor vehicles the main energy consumers. Due to the combustion, incomplete combustion, and volatilization of fuel, a large amount of exhaust gas is emitted into the atmosphere, including carbon monoxide (CO), carbon dioxide (CO2), hydrocarbons (HC), nitrogen oxides (NOX), particulate matter (PM) and sulfide (SOX).

[0003] In the process of realizing the present invention, the inventors found that the prior art had the following problems: old cars had been used for a long time, the wear between the cylinder and the cylinder liner was serious, the engine sealing performance was poor, resulting in incomplete combustion of the fuel, and the exhaust emissions could not meet the national standards, so they needed to be forcibly scrapped, and there was a lack of a composite agent that could repair engine wear. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a composite agent for automatically purifying, repairing, and increasing mileage of the engine fuel system, which solves the problem that the existing old cars have been used for a long time, the wear between the cylinder and the cylinder liner is serious, the engine sealing performance is poor, and the fuel combustion is incomplete. The exhaust emissions cannot meet the national standards and need to be forcibly scrapped. There is a lack of a composite agent that can repair engine wear.

[0005] To achieve the above objectives, the present invention is implemented by the following technical scheme: an engine fuel system automatic purification wear repair and mileage increase composite agent, characterized in that it is composed of base oil; antioxidant and anticorrosive agent; detergent; thickener; dispersant; extreme pressure antiwear agent; SAP surfactant; rust inhibitor; pour point depressant; metal deactivator; nano zinc; tungsten disulfide;

[0006] The antioxidant is dihydrobenzothiophene; the detergent is LZ detergent; the dispersant is polyisobutylene bissuccinimide; the extreme pressure anti-wear agent is lead naphthenate; the rust inhibitor is alkyl succinic acid derivative; the pour point depressant is alkyl naphthalene; the metal deactivator is benzotriazole;

[0007] The preparation method of the composite agent comprises the following steps:

[0008] (1) According to the weight percentage of each component, the antioxidant is 10-12%; the detergent is 5-10%; the thickener is 3-5%; the dispersant is 5-13%; the extreme pressure anti-wear agent is 6-8%; the SAP type surfactant is 2-4%; the corrosion inhibitor is 3-5%; the pour point depressant is 2-5%; the metal deactivator is 1-3%; the nano zinc is 4-6%; the tungsten disulfide is 3-6%; the balance is taken from the base oil;

[0009] (2) The mixed raw material liquid is stirred at a speed of 2000 r / min for 60-120 min, and the temperature is heated and controlled between 55-80° C. The product is obtained after filtering.

[0010] Preferably, the base oil is a mixture of poly-α-olefin and polyether and any one of monoester, diester and polyol ester, and the weight ratio of the two components is 2:1.

[0011] Preferably, the nano zinc is a nano-scale powder with a particle size of 25-30 nm.

[0012] Preferably, the product of the present invention is also suitable for engine oil, hydraulic oil, industrial machinery oil, gear oil, and lubricating oil for agricultural machinery.

[0013] Preferably, the base oil is prepared by mixing 5-15 parts of polyester, 5-15 parts of trimellitic acid ester, 15-35 parts of 600N base oil and 20-30 parts of 100N base oil.

[0014] Beneficial Effects

[0015] The present invention provides a composite agent for automatically purifying, repairing, and increasing mileage of an engine fuel system. The present invention has a simple manufacturing method, a low price, high efficacy, and a high cost-effectiveness ratio. It can give full play to the comprehensive efficacy of lubricating oil, have a strong repair effect on the aging wear of mechanical equipment, and can improve the anti-oxidation, anti-corrosion, and cleaning and dispersing efficacy of lubricating oil, and at the same time improve the anti-wear and extreme pressure efficacy, reduce noise, reduce tail gas emissions, extend the oil change cycle, and save fuel. The comprehensive efficacy of lubricating oil is completely improved. DETAILED DESCRIPTION

[0016] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0018] Example 1

[0019] The engine fuel system automatic purification wear repair and mileage increase compound agent is characterized by comprising base oil; antioxidant and anticorrosive agent; detergent; thickener; dispersant; extreme pressure antiwear agent; SAP surfactant; rust inhibitor; pour point depressant; metal deactivator; nano zinc; tungsten disulfide;

[0020] The antioxidant is dihydrobenzothiophene; the detergent is LZ detergent; the dispersant is polyisobutylene bissuccinimide; the extreme pressure anti-wear agent is lead naphthenate; the rust inhibitor is alkyl succinic acid derivative; the pour point depressant is alkyl naphthalene; the metal deactivator is benzotriazole;

[0021] The preparation method of the composite agent comprises the following steps:

[0022] (1) According to the weight percentage of each component, the antioxidant is 10-12%; the detergent is 5-10%; the thickener is 3-5%; the dispersant is 5-13%; the extreme pressure anti-wear agent is 6-8%; the SAP type surfactant is 2-4%; the corrosion inhibitor is 3-5%; the pour point depressant is 2-5%; the metal deactivator is 1-3%; the nano zinc is 4-6%; the tungsten disulfide is 3-6%; the balance is taken from the base oil;

[0023] (2) The mixed raw material liquid is stirred at a speed of 2000 r / min for 60-120 min, and the temperature is heated and controlled between 55-80° C. The product is obtained after filtering.

[0024] The base oil is a mixture of poly-alpha-olefin and polyether and any one of monoester, diester and polyol ester, and the weight ratio of the two components is 2:1.

[0025] Nano zinc is a nano-grade powder with a particle size of 25-30nm.

[0026] The product of the present invention is also suitable for engine oil, hydraulic oil, industrial machinery oil, gear oil, and lubricating oil for agricultural machinery.

[0027] The base oil is prepared by mixing 5-15 parts of polyester, 5-15 parts of trimellitic acid ester, 15-35 parts of 600N base oil and 20-30 parts of 100N base oil.

[0028] The engine lubricating oil prepared by adding 12% of this product was compared with other similar products. The conclusions are as follows

[0029] 1. Antioxidant effect increased by more than 1.4 times.

[0030] 2. Anti-wear effect is improved by more than 1.3 times.

[0031] 3. The extreme pressure resistance is increased by more than 1.9 times.

[0032] 4. Reduce exhaust emissions by more than 75%.

[0033] 5. Noise reduction of more than 1.8 times.

[0034] 6. The oil change cycle is extended by more than 2.3 times.

[0035] 7. Save 14-16% fuel.

[0036] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. The engine fuel system automatic purification wear repair increase mileage compound agent, characterized by: It is composed of base oil, antioxidant and anticorrosive agent, detergent, thickener, dispersant, extreme pressure and antiwear agent, SAP surfactant, corrosion inhibitor, pour point depressant, metal deactivator, nano zinc and tungsten disulfide. The antioxidant is dihydrobenzothiophene; the detergent is LZ detergent; the dispersant is polyisobutylene bissuccinimide; the extreme pressure anti-wear agent is lead naphthenate; the rust inhibitor is alkyl succinic acid derivative; the pour point depressant is alkyl naphthalene; the metal deactivator is benzotriazole; The preparation method of the composite agent comprises the following steps: (1) According to the weight percentage of each component, the antioxidant is 10-12%; the detergent is 5-10%; the thickener is 3-5%; the dispersant is 5-13%; the extreme pressure anti-wear agent is 6-8%; the SAP type surfactant is 2-4%; the corrosion inhibitor is 3-5%; the pour point depressant is 2-5%; the metal deactivator is 1-3%; the nano zinc is 4-6%; the tungsten disulfide is 3-6%; the balance is taken from the base oil; (2) The mixed raw material liquid is stirred at a speed of 2000 r / min for 60-120 min, and the temperature is controlled between 55-80° C. The product is obtained after filtering.

2. The engine fuel system automatic purification, wear repair and mileage increase composite agent according to claim 1, characterized in that: The base oil is a mixture of poly-alpha-olefin and polyether and any one of monoester, diester and polyol ester, and the weight ratio of the two components is 2:

1.

3. The engine fuel system automatic purification, wear repair and mileage increase composite agent according to claim 1, characterized in that: Nano zinc is a nano-grade powder with a particle size of 25-30nm.

4. The engine fuel system automatic purification, wear repair and mileage increase composite agent according to claim 1 is also applicable to engine oil, hydraulic oil, industrial machinery oil, gear oil and agricultural machinery lubricating oil.

5. The engine fuel system automatic purification, wear repair and mileage increase composite agent according to claim 1, characterized in that: The base oil is prepared by mixing 5-15 parts of polyester, 5-15 parts of trimellitic acid ester, 15-35 parts of 600N base oil and 20-30 parts of 100N base oil.

Citation Information

Patent Citations

  • Strong repairing agent for automobile

    CN101560428A

  • Gasoline engine oil with repairing function and exhaust reducing function for old vehicle

    CN105695055A

  • Antiwear complexing agent for engine oil

    CN106467787A

  • Antiwear and anti-extreme-pressure complexing agent for lubricating oil

    CN106467789A