阅读说明：本技术 一种车用轻烃燃料组成物 (Light hydrocarbon fuel composition for vehicle ) 是由 柳文祥 赵鉴明 于 2021-03-02 设计创作，主要内容包括：本发明公开了一种车用轻烃燃料组成物,包括如下组分：(研究法辛烷位＞92#)稳定轻烃500-600重量份、异丁醇80-120重量份、芳烃180-340重量份、二甲苯130-150重量份、异辛烷200-305重量份、异辛酸镧0.25-0.5重量份、联苯0.5-0.7重量份、金属缓蚀剂0.1重量份、抗氧化剂0.1重量份；所述稳定轻烃是炼油厂下游副产品或甲醇制烯烃(MTO)以及煤焦油加氢的稳定轻烃；所述异丁醇分子式为C4H100；所述芳烃是一种调和汽油用的甲苯,二甲苯及三甲苯混合物,也可以是其中一种或二种；所述异辛烷是一种烷基化油,也叫异构体辛烷,研究法辛烷值98-100；所述金属缓蚀剂为苯骈三氮唑。本发明车用轻烃燃料组成物可提高动力,降低汽油油耗；减少尾气污染物排放。(The invention discloses a light hydrocarbon fuel composition for vehicles, which comprises the following components: (octane position > 92#) stable light hydrocarbon 500-containing materials 600 weight parts, isobutanol 80-120 weight parts, aromatic hydrocarbon 180-containing materials 340 weight parts, xylene 130-containing materials 150 weight parts, isooctane 200-containing materials 305 weight parts, lanthanum isooctanoate 0.25-0.5 weight parts, biphenyl 0.5-0.7 weight parts, metal corrosion inhibitor 0.1 weight parts, and antioxidant 0.1 weight parts; the stable light hydrocarbon is a byproduct of a refinery downstream or a stable light hydrocarbon obtained by hydrogenation of Methanol To Olefin (MTO) and coal tar; the molecular formula of the isobutanol is C4H 100; the aromatic hydrocarbon is a mixture of toluene, dimethylbenzene and trimethylbenzene for blending gasoline, and can be one or two of the methylbenzene, the dimethylbenzene and the trimethylbenzene; the isooctane is alkylate, also called isomer octane, and the research octane number is 98-100; the metal corrosion inhibitor is benzotriazole. The light hydrocarbon fuel composition for the vehicle can improve power and reduce gasoline consumption; and the emission of tail gas pollutants is reduced.)

1. The light hydrocarbon fuel composition for the vehicle is characterized by comprising the following components in parts by weight: (research octane number > 92#)

500 portions of stable light hydrocarbon

80-120 parts of isobutanol

Aromatic hydrocarbon 180 parts by weight

Xylene 130-

200 portions of isooctane and 305 portions

0.25 to 0.5 weight portion of lanthanum isooctanoate

0.5 to 0.7 part by weight of biphenyl

0.1 part by weight of metal corrosion inhibitor

0.1 part by weight of antioxidant.

2. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the stable light hydrocarbon is a byproduct of a refinery downstream or a stable light hydrocarbon obtained by hydrogenation of Methanol To Olefin (MTO) and coal tar; distillation range: 35 ℃ -190 ℃, density: 0.66-0.73 kg/L, research octane number 60-80, water white liquid.

3. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the molecular formula of the isobutanol is C4H100, and the molecular weight is as follows: 74.12, calorific value: 8610 kcal/kg, density: 0.807 kg/liter, oxygen content: 22 percent of the gasoline antioxidant is an oxygen-containing antiknock agent for replacing gasoline oxygen-containing antiknock agents MTBE and ethanol.

4. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the lanthanum isooctanoate is a gasoline detergent and consists of 90 percent of isooctanoate and 10 percent of rare earth lanthanum element.

5. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the aromatic hydrocarbon is a mixture of toluene, xylene and trimethylbenzene for blending gasoline, and can be one or two of the toluene, the xylene and the trimethylbenzene.

6. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the isooctane is alkylate, also called isomer octane, and the research octane number is 98-100.

7. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the biphenyl is a sheet chemical raw material, is a raw material for producing heat conduction oil, and is used as a heat energy conduction agent, a preservative and a lubricant in the invention.

8. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the metal corrosion inhibitor is benzotriazole.

9. A light hydrocarbon fuel composition for vehicles according to claim 1, wherein: the antioxidant is a T501 antioxidant.

Technical Field

The invention relates to the technical field of light hydrocarbon fuel for vehicles, in particular to a light hydrocarbon fuel composition for vehicles.

Background

The technical quality supervision bureau of Shanghai City in 2015 issued DB31/385-2015 local Standard of vehicular light hydrocarbon Fuel in Shanghai City, which stipulated that the vehicular light hydrocarbon fuel consists of stable light hydrocarbon with initial boiling point more than 35 ℃ and final boiling point not higher than 190 ℃ or stable light hydrocarbon component extracted from methanol-to-olefin (MTO) and stable light hydrocarbon hydrogenated by coal tar as base oil and effective additives capable of improving the antiknock property, stability, detergency and the like, and is suitable for common gasoline vehicles.

In the practical implementation process, the stable light hydrocarbon is a light hydrocarbon with low density, low octane value and extremely high volatility, the stable light hydrocarbon can be used only by increasing the octane value, the isobutanol is a multi-carbon, high-calorific-value and oxygen-containing anti-knock agent, and the oxygen-containing anti-knock agent MTBE adopted by an oil refinery is a carcinogen and is mutually soluble with water and difficult to decompose. In order to reduce the use of MTBE, ethanol is used as a gasoline antiknock agent in China, and the ethanol is alcohol fermented by grains, is easy to dissolve in water due to low heat value and corrodes an engine. Recent countries have notified suspension of ethanol gasoline.

Based on the above, the invention designs a light hydrocarbon fuel composition for vehicles.

Disclosure of Invention

The invention aims to provide a light hydrocarbon fuel composition for vehicles, which aims to overcome the defects of the prior MTBE and ethanol in the background art and is prepared by combining additives such as isobutanol, rare earth lanthanum, stable light hydrocarbon, mixed aromatic hydrocarbon, isooctane, high-energy fuel biphenyl and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a light hydrocarbon fuel composition for vehicles comprises the following components in parts by weight: (research octane number > 92#)

1) 500 portions of stable light hydrocarbon

2) 80-120 parts of isobutanol

3) Aromatic hydrocarbon 180 parts by weight

4) Xylene 130-

5) 200 portions of isooctane and 305 portions

6) 0.25 to 0.5 weight portion of lanthanum isooctanoate

7) 0.5 to 0.7 part by weight of biphenyl

8) 0.1 part by weight of metal corrosion inhibitor

9) 0.1 part by weight of antioxidant.

As a further aspect of the present invention, the stable light hydrocarbon is a byproduct from downstream of an oil refinery or a stable light hydrocarbon from Methanol To Olefins (MTO) and coal tar hydrogenation; distillation range: 35 ℃ -190 ℃, density: 0.66-0.73 kg/L, research octane number 60-80, water white liquid.

As a further embodiment of the present invention, the isobutanol has the molecular formula of C4H100, the molecular weight: 74.12, calorific value: 8610 kcal/kg, density: 0.807 kg/liter, oxygen content: 22 percent of the gasoline antioxidant is an oxygen-containing antiknock agent for replacing gasoline oxygen-containing antiknock agents MTBE and ethanol.

As a further scheme of the invention, the lanthanum isooctanoate is a gasoline detergent and consists of 90% of isooctanoate and 10% of rare earth lanthanum element.

As a further scheme of the invention, the aromatic hydrocarbon is a mixture of toluene, xylene and trimethylbenzene for blending gasoline, and can be one or two of the toluene, the xylene and the trimethylbenzene.

As a further embodiment of the invention, the isooctane is an alkylate, also called isomer octane, having a research octane number of 98-100.

As a further scheme of the invention, the biphenyl is a sheet chemical raw material and a raw material for producing heat conduction oil, and is used as a heat energy conduction agent, a preservative and a lubricant in the invention. The flame propagation speed of the gasoline and air mixed gas can be improved, and the gasoline and air mixed gas can be instantly and synchronously combusted at high temperature and high pressure; the pressure of the cylinder is increased, so that the thrust of the piston is increased by about 20%, the power is improved, and the gasoline consumption is reduced; and the emission of tail gas pollutants is reduced.

As a further scheme of the invention, the metal corrosion inhibitor is benzotriazole, and when the metal corrosion inhibitor is added into the light hydrocarbon fuel for vehicles, a film can be formed on the surface of the metal to prevent the surface of the metal from being corroded.

As a further scheme of the invention, the antioxidant is T501 antioxidant, and can prevent the oil from discoloring when added into the light hydrocarbon fuel for vehicles, and can prolong the storage time by more than 6 months.

Compared with the prior art, the invention has the beneficial effects that:

(1) the rare earth lanthanum isooctanoic acid lanthanum gasoline detergent in the composition has excellent cleaning, dispersing, demulsifying, corrosion inhibiting and oxidation resisting performances, can inhibit the production of deposits of an oil nozzle, an air inlet valve and a combustion chamber, quickly removes carbon deposition of an engine combustion chamber and a ternary catalyst, recovers new vehicle technical parameters, improves the combustion performance of fuel oil, greatly reduces HC, CO and NOX pollutants, and achieves the effects of energy conservation and environmental protection;

(2) the metal corrosion inhibitor in the composition can form a layer of film on the surface of metal, and can prevent rust and corrosion and reduce the friction between metals;

(3) the antioxidant in the composition adopts T501 oil-soluble antioxidant, also called BHT, has stronger antioxidant capacity and good heat resistance and stability, and can be dissolved in gasoline and diesel oil;

(4) the biphenyl in the composition is used as a heat energy conduction agent, a preservative and a lubricant in the composition, so that the flame propagation speed of the mixed gas of gasoline and air can be improved, and the mixed gas can be instantly and synchronously combusted at high temperature and high pressure; the pressure of the cylinder is increased, so that the thrust of the piston is increased by about 20%, the power is improved, and the gasoline consumption is reduced; and the emission of tail gas pollutants is reduced.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

The first embodiment is as follows:

a light hydrocarbon fuel composition for 1# vehicle comprises the following components in parts by weight:

1) 500 parts by weight of stable light hydrocarbon

2) Isobutanol 100 weight portions

3) Aromatic hydrocarbon 250 parts by weight

4) 150 parts by weight of isooctane

5) 0.3 part by weight of rare earth lanthanum type gasoline detergent

6) 0.6 part by weight of biphenyl

7) 0.1 part by weight of metal corrosion inhibitor

8) 0.1 part by weight of antioxidant.

Specifically, the rare earth lanthanum type gasoline detergent is a compound containing 90% of isooctanoic acid and 10% of rare earth lanthanum element, and has a molecular formula as follows: C24H45LaO6, colorless or yellowish or oily liquid, molecular weight: 568.52, lanthanum content: 8%, 10% and 12%, the invention adopts the product with 10% lanthanum content, has excellent cleaning, dispersing, emulsion breaking, corrosion inhibition and oxidation resistance, can inhibit the production of deposits of an oil nozzle, an air inlet valve and a combustion chamber, quickly removes carbon deposition of an engine combustion chamber and a ternary catalyst, recovers the technical parameters of a new vehicle, improves the combustion performance of fuel oil, greatly reduces HC, CO and NOX pollutants, and achieves the effects of energy conservation and environmental protection.

Specifically, the corrosion inhibitor is benzotriazole, and the molecular formula is as follows: C6H5N3, molecular weight: 119.12, it is mainly used as antirust agent and metal corrosion inhibitor, and can form a film on the surface of metal, so as to prevent rust, corrosion and reduce the friction between metals.

Specifically, the antioxidant adopts a T501 oil-soluble antioxidant, also called BHT, and has strong oxidation resistance, good heat resistance and stability and a chemical formula: C15H24O, molecular weight: 220.35, density: 0.927g/cm3, flash point: 118.4 ℃. Dissolving with gasoline and diesel oil.

Specifically, the stable light hydrocarbon is a byproduct of a refinery downstream or a stable light hydrocarbon obtained by hydrogenation of Methanol To Olefins (MTO) and coal tar; distillation range: 35 ℃ -190 ℃, density: 0.66-0.73 kg/L, research octane number 60-80, water white liquid.

Specifically, the molecular formula of the isobutanol is C4H100, and the molecular weight is as follows: 74.12, calorific value: 8610 kcal/kg, density: 0.807 kg/liter, oxygen content: 22 percent of the gasoline antioxidant is an oxygen-containing antiknock agent for replacing gasoline oxygen-containing antiknock agents MTBE and ethanol.

Specifically, the aromatic hydrocarbon is a mixture of toluene, xylene and trimethylbenzene for blending gasoline, and can be one or two of the toluene, the xylene and the trimethylbenzene; the isooctane is alkylate, also called isomer octane, and the research octane number is 98-100; the biphenyl is a sheet chemical raw material and is a raw material for producing heat conduction oil.

Specifically, the 8 raw material components are sequentially put into an oil tank according to a proportion, are circularly stirred for two hours by an oil pump through an oil adjusting spray head and a tubular mixer, are filtered by a 350-mesh filter screen, and are put into the tank to stand for 24 hours, so that a finished product is obtained.

The second embodiment:

a light hydrocarbon fuel composition for 95# vehicles comprises the following components in parts by weight:

1) 500 parts by weight of stable light hydrocarbon

2) Isobutanol 100 weight portions

3) Xylene 250 parts by weight

4) 150 parts by weight of isooctane

5) 0.4 part by weight of polyether amine type gasoline detergent

6) 0.6 part by weight of biphenyl

7) 0.1 part by weight of metal corrosion inhibitor

8) 0.1 part by weight of antioxidant.

Specifically, the stable light hydrocarbon is a light hydrocarbon component extracted from a downstream product of an oil refinery or Methanol To Olefin (MTO), and the density: 0.66-0.70 kg/liter (20 ℃), each distillation range of 38-160 ℃ and 40-190 ℃, each research octane number of 65 and 75, which can not be directly used as gasoline, and iso-octane, aromatic hydrocarbon (average xylene octane number of 115, more than 10% xylene for 2# gasoline) and isobutanol are required to be added.

Specifically, isobutanol has better combustion performance than methanol and ethanol, and has higher calorific value than methanol and ethanol.

Specifically, the polyether amine type gasoline detergent is a gasoline detergent dispersant, a high-temperature-resistant detergent dispersant is required to be used in the vehicle fuel, and if the polyisobutylene amine detergent dispersant is used and is not high-temperature-resistant, carbon formation between a combustion chamber and an intake valve is serious. The high-temperature resistant polyether amine can effectively remove the deposits and carbon deposition in the combustion chamber.

Specifically, the aromatic hydrocarbon, isooctane, metal corrosion inhibitor, antioxidant and the preparation method are the same as those in the first embodiment.

The third embodiment is as follows:

the composition of the No. 1 light hydrocarbon fuel for the vehicle comprises the following components in parts by weight:

1) 500 parts by weight of stable light hydrocarbon (density 20 ℃)0.69 and octane number 75) extracted from Methanol To Olefin (MTO)

2) Isobutanol 100 weight portions

3) 240 parts by weight of aromatic hydrocarbon

4) 160 parts by weight of isooctane

5) 0.4 part by weight of rare earth lanthanum type gasoline detergent

6) 0.6 part by weight of biphenyl

7) 0.1 part by weight of metal corrosion inhibitor

8) 0.1 part by weight of antioxidant.

Specifically, the performances of the stable light hydrocarbon extracted from Methanol To Olefins (MTO) are completely different from those of the stable light hydrocarbon produced downstream in the refinery. The content of the stable light hydrocarbon olefin of this example was about 12%, and the density: 0.69 (20 ℃), research octane number: 75.

in particular, the isobutanol has a higher quality than the ethanol calorific value. The 'light hydrocarbon fuel for vehicles' blended by isobutanol has small corrosivity and better tail gas emission.

Specifically, the aromatic hydrocarbon, isooctane, polyetheramine, biphenyl, metal corrosion inhibitor and antioxidant are the same as those in the previous embodiment.

Specifically, the modulation method of the present embodiment is the same as that of the first embodiment.

The fourth embodiment is as follows:

a light hydrocarbon fuel composition for a No. 2 vehicle comprises the following components in parts by weight: (research octane number > 95#)

1) 500 portions of stable light hydrocarbon and 550 portions

2) 100 portions of isobutanol

3) Aromatic hydrocarbon 180 parts by weight

4) Xylene 130-

5) 200 portions of isooctane

6) 0.3 to 0.5 weight portion of lanthanum isooctanoate

7) 0.5 to 0.7 part by weight of biphenyl

8) 0.1 part by weight of metal corrosion inhibitor

9) 0.1 part by weight of antioxidant.

Specifically, the stable light hydrocarbon is a byproduct at the downstream of an oil refinery, or a hydrogenation stable light hydrocarbon of Methanol To Olefin (MTO) and coal tar.

Specifically, the 9 raw material components are sequentially put into an oil tank according to a proportion, are circularly stirred for two hours by an oil pump through an oil adjusting spray head and a tubular mixer, are filtered by a 350-mesh filter screen, and are put into the tank to stand for 24 hours, so that a finished product is obtained.

The blended light hydrocarbon fuel for vehicles prepared by the invention is verified and analyzed to have all technical indexes meeting the local standard of DB31/385-2015 light hydrocarbon fuel for vehicles in Shanghai City, research octane number: two specifications of > 92# and > 95#, distillation range: 38 ℃ to 190 ℃, saturated vapor pressure: 50Kpa, actual gum: 4mg/100ml, copper sheet corrosion: first order (50 ℃/3 h), methanol content: less than 0.3%, benzene content: < 0.8% v/v, oxygen content: less than 2.7% m/m, aromatic content: < 35% m/m, sulfur content: < 10ppm, olefin content: < 15% v/v, thiol: (doctor test) pass, the metal element is satisfied. Is a novel energy-saving and environment-friendly vehicle fuel.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.