阅读说明：本技术 一种柴油清净增效剂 (Diesel oil cleaning synergist ) 是由 温兴友 肖辉 吴爱华 于 2019-09-16 设计创作，主要内容包括：本发明涉及柴油添加剂技术领域,具体涉及一种柴油清净增效剂,按以下重量份数的原料制成：生物柴油5-15份,调节剂15-25份,摩擦改进剂2-4份,增塑剂10-20份,助燃剂30-40份,清净分散剂5-15份。本发明的一种汽油清净增效剂用于柴油汽车,能大大提高其燃效,与未添加本发明的清净增效剂的柴油相比,本发明可使得排放尾气中不完全燃烧的一氧化碳含量下降56％以上、碳氢化合物含量下降47％以上,原材料易得,成本低廉,无污染,绿色环保,具有很高的使用价值和良好的应用前景。(The invention relates to the technical field of diesel additives, in particular to a diesel cleaning synergist which is prepared from the following raw materials in parts by weight: 5-15 parts of biodiesel, 15-25 parts of regulator, 2-4 parts of friction modifier, 10-20 parts of plasticizer, 30-40 parts of combustion improver and 5-15 parts of detergent dispersant. Compared with diesel oil without the cleaning synergist, the gasoline cleaning synergist can reduce the content of incompletely combusted carbon monoxide in the discharged tail gas by more than 56 percent and the content of hydrocarbon by more than 47 percent, has the advantages of easily obtained raw materials, low cost, no pollution, environmental protection, high use value and good application prospect.)

1. The diesel oil cleaning synergist is characterized by being prepared from the following raw materials in parts by weight: 5-15 parts of biodiesel, 15-25 parts of regulator, 2-4 parts of friction modifier, 10-20 parts of plasticizer, 30-40 parts of combustion improver, 5-15 parts of detergent dispersant and 4-6 parts of lubricant.

2. The diesel cleaning synergist according to claim 1, wherein the biodiesel is prepared from the following raw materials in parts by weight: 5-10 parts of rapeseed oil, 10-20 parts of soybean oil, 5-10 parts of boric acid and 60-80 parts of methanol.

3. The diesel fuel cleaning synergist according to claim 1, wherein said modifier is polymethoxy dimethyl ether.

4. The detergent builder for diesel fuel as claimed in claim 1, wherein said friction modifier is palmitic acid.

5. The diesel fuel cleaning synergist according to claim 1, wherein said plasticizer is biphenyl.

6. The diesel detergent builder as set forth in claim 1, wherein the oxidizing agent is a peroxyether.

7. The diesel cleaning synergist according to claim 1, wherein the combustion improver comprises ferrocene and isooctyl nitrate at a weight ratio of 1:35, and free iron in the ferrocene is less than or equal to 100 PPM.

8. The detergent builder for diesel fuel as claimed in claim 1, wherein the detergent dispersant is a polyetheramine.

9. The diesel cleaning synergist of claim 1 wherein said lubricant is an organo-nitrogen molybdenum fullerene lubricant.

10. A process for the preparation of a diesel detergent builder as claimed in any one of claims 1 to 9, comprising the steps of:

s1: weighing the raw materials according to the mass fraction;

s2: adding the rapeseed oil and the soybean oil with corresponding weight parts into a stirrer for dispersion, controlling the rotation speed to be 1800 plus materials and 2400r/min, heating to 70-80 ℃, sequentially adding the methanol and the boric acid, continuously stirring for 120 plus materials and 140min, and washing and drying to obtain the biodiesel;

s3: adding corresponding parts by weight of a regulator, a friction modifier, a plasticizer, a combustion improver, a cleaning dispersant and a lubricant into the obtained biodiesel, controlling the rotating speed at 2000-2300r/min, and stirring for 20-30 minutes to obtain the diesel cleaning synergist.

Technical Field

The invention relates to the technical field of diesel additives, in particular to a diesel cleaning synergist.

Background

The compression ignition diesel engine has about 30% higher fuel efficiency than the ignition gasoline engine, so it is widely used in high-power diesel vehicles and power equipment. However, the diesel engine and the diesel used by the diesel engine cause the exhausted exhaust to pollute the environment seriously, and particularly when the exhaust is accelerated, the PM particles in the exhaust often form a large amount of black smoke polluting the environment. Therefore, the development of a diesel cleaning synergist which can solve the problems of low combustion efficiency of diesel and serious pollution of tail gas is urgently needed in the field.

Disclosure of Invention

The invention aims to provide a diesel oil cleaning synergist to solve the problems.

In order to achieve the above purpose, the invention provides the following technical scheme:

a diesel oil cleaning synergist is prepared from the following raw materials in parts by weight: 5-15 parts of biodiesel, 15-25 parts of regulator, 2-4 parts of friction modifier, 10-20 parts of plasticizer, 30-40 parts of combustion improver, 5-15 parts of detergent dispersant and 4-6 parts of lubricant.

Specifically, the biodiesel is prepared from the following raw materials in parts by weight: 5-10 parts of rapeseed oil, 10-20 parts of soybean oil, 5-10 parts of boric acid and 60-80 parts of methanol.

The biodiesel provided by the invention is composed of rapeseed oil, soybean oil, boric acid and methanol, wherein the rapeseed oil and the soybean oil are natural biomass oil, and the natural biomass oil can be freely degraded, is pollution-free and is green and environment-friendly.

Specifically, the regulator is polymethoxy dimethyl ether.

The regulator used in the invention is a low molecular weight acetal polymer with dimethoxymethane as a parent and methyleneoxy as a main chain, and the general formula of the regulator is as follows: CH (CH)₃O(CH₂O)nCH₃(wherein n is an integer of 1 or more, generally less than 8, and hereinafter referred to as DMMn). The polymerization degree of the diesel oil is DMM3-6, and the diesel oil is used as a blending agent for high-quality diesel oil.

Specifically, the friction modifier is palmitic acid.

The friction modifier used in the invention, also called palmitic acid, with the chemical name of hexadecanoic acid, is a higher fatty acid, white flaked phosphorus with pearlescence, insoluble in water, soluble in petroleum ether and ethanol, and has the chemical formula: C16H32O2, molecular weight: 256.42, melting point: 63 ℃, density (25 ℃): 0.8527, respectively; boiling point: 351 ℃ and a flash point of more than 110 ℃ as a precipitant, a chemical agent and a water repellent.

Specifically, the plasticizer is biphenyl.

The plasticizer used in the present invention is a flaky solid having a melting point: 68-70 ℃, density (20 ℃): 1.04kg/m³The molecular formula is as follows: C12H10, molecular weight: 154.21, boiling point: 255 ℃, self-ignition point: 540 ℃, research octane number: 140, biphenyl is dissolved in gasoline, toluene, xylene and trimethylbenzene, and is widely used in the fields of medicines, pesticides, dyes, liquid crystal materials and the like. Can be used for synthesizing plasticizer, and can also be used for manufacturing fuel, engineering plastics, high-energy fuel and the like.

Specifically, the oxidant is peroxide ether.

The oxidant used in the invention is generally yellow and viscous liquid, is difficult to volatilize, has a molecular formula of CH3-CH 2-O-CH (OOH) -CH3, and has a relative molecular mass of: 106, acting as an oxidizing agent.

Specifically, the combustion improver comprises ferrocene and isooctyl nitrate in a weight ratio of 1:35, wherein free iron in the ferrocene is less than or equal to 100 PPM.

The ferrocene Chinese alias used by the invention is as follows: dicyclopentadiene iron, purity: > 99%, melting point: 170 ℃ and 174 ℃, orange powder; the ferrocene used must be selected for products with Fe < 100. Ferrocene is an energy-saving smoke suppressor of fuel, an antiknock agent is a combustion improver, the combustion temperature is higher, free iron of the ferrocene can be adsorbed on a spark plug to cause damage of the spark plug, the ferrocene with the content of less than or equal to 0.1g in 50 liters of gasoline is safe, the service life of a common spark plug is 2-3 kilometres, less than or equal to 0.1g of ferrocene is added into one tank of oil, and an automobile can be opened by 50-100KM more.

The invention uses isooctyl nitrate as the alternative name: 2-ethylhexyl nitrate of the formula: (C)₈H₁₇O)NO₂Molecular weight: 175.22788, can increase the cetane number of diesel oilThe diesel oil has the advantages of improving the combustion performance of diesel oil, shortening ignition time, reducing ignition point, improving the dynamic property of locomotive thermal conditions and having obvious oil-saving effect.

The combustion improver is compounded by ferrocene and isooctyl nitrate in a specific proportion, so that the cetane number of diesel oil can be obviously improved, the combustion performance of the diesel oil is improved, the ignition time is shortened, and the ignition point is reduced.

Specifically, the detergent dispersant is polyether amine.

The detergent dispersant used in the invention is a polymer with a polyether main chain and an amino-group as a terminal active functional group. The amino terminated polyether has the following structure: x, y is 0-n. The polyether amine is obtained by ammoniating polyethylene glycol, polypropylene glycol or ethylene glycol/propylene glycol copolymer at high temperature and high pressure. By selecting different polyoxyalkyl structures, a series of properties such as reactivity, toughness, viscosity and hydrophilicity of the polyether amine can be adjusted, and the amine group provides possibility for the polyether amine to react with various compounds. The special molecular structure of the polyether amine endows the polyether amine with excellent comprehensive performance, and the current commercial polyether amine comprises a series of products with single function, double function and triple function and the molecular weight of 230 to 5000. The polyurea coating is widely applied to the fields of polyurea spraying, large-scale composite material preparation, epoxy resin curing agent, automobile gasoline detergent and the like.

Specifically, the lubricant is an organic nitrogen molybdenum fullerene lubricant.

The lubricant used in the invention forms a physical and chemical adsorption film with antifriction and antiwear functions on the friction surface under the normal working condition of the lubricating part; under the working conditions of high speed, high temperature, high pressure and the like, a molybdenum element permeable layer and a fullerene eutectic rolling lubricating layer are formed on the surface of the friction pair, and sliding friction is converted into rolling friction due to the spherical shape of fullerene and the characteristics of high temperature resistance, toughness and super lubrication, so that the abrasion among components is greatly reduced, and the fullerene eutectic rolling lubricating oil can be widely applied to engine oil, gear oil, anti-wear hydraulic oil and other special oils; it can also be used as reinforcing agent for increasing antiwear and antifriction performance.

Specifically, the preparation method of the diesel oil cleaning synergist comprises the following steps:

s1: weighing the raw materials according to the mass fraction;

s2: adding the rapeseed oil and the soybean oil with corresponding weight parts into a stirrer for dispersion, controlling the rotation speed to be 1800 plus materials and 2400r/min, heating to 70-80 ℃, sequentially adding the methanol and the boric acid, continuously stirring for 120 plus materials and 140min, and washing and drying to obtain the biodiesel;

s3: adding corresponding parts by weight of a regulator, a friction modifier, a plasticizer, a combustion improver and a cleaning dispersant lubricant into the obtained biodiesel, controlling the rotating speed at 2000-2300r/min, and stirring for 20-30 minutes to obtain the diesel cleaning synergist.

The gasoline cleaning synergist has the beneficial effects that the gasoline cleaning synergist is used for diesel automobiles, the combustion efficiency of the gasoline cleaning synergist can be greatly improved, compared with diesel without the cleaning synergist, the gasoline cleaning synergist can enable the content of incompletely combusted carbon monoxide in the discharged tail gas to be reduced by more than 56 percent and the content of hydrocarbon to be reduced by more than 47 percent, and the gasoline cleaning synergist has the advantages of easily available raw materials, low cost, no pollution, environmental friendliness, high use value and good application prospect.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following embodiments, unless otherwise specified, the technical means used are conventional means well known to those skilled in the art.