CN102408929A - 97# vehicle gasoline and blending method thereof - Google Patents

Abstract

The invention relates to the technical field of petrochemical industry, especially a 97# vehicle gasoline and a blending method thereof. The 97# vehicle gasoline comprises the following materials by volume: 70-90 parts of catalytic hydrogenation gasoline, 0-15 parts of MTBE (Methyl Tertiary Butyl Ether), 0-15 parts of mixed aromatic, 1-3 parts of non-metallic gasoline antiknock agent, gasoline detergent with a volume of 0.0003-0.0005 of the volume of all the materials, and gasoline antistatic agent with a volume of 0.000001-0.00001 of the volume of all the materials. The invention has the following beneficial effects: the invention solves the problems of the 97# vehicle ethanol gasoline the compliances of the quality indicators including antiknock performance, sulfur content, aromatic content and oxygen content are poor; the process formulation is simple and the application effect is good; the production capacity of the refinery for producing component blending oil for 97# vehicle ethanol gasoline can be improved, and the economic benefit of the refinery can be effectively increased.

Description

A kind of No. 97 motor spirit and blending method thereof

       

(1) technical field

The present invention relates to the petrochemical technology field, particularly a kind of No. 97 motor spirit and blending method thereof.

(2) background technology

Market survey finds, No. 93, No. 97 etc. high-grade gasoline becomes main force's kind that each refinery gasoline production is sold day by day.See from domestic and foreign experience, use high-quality fuel oil can reduce atmospheric pollution, also indicate the raising of automotive society hierarchy of consumption.Investigation to the gasoline situation finds that vehicle is more high-grade, and is also high more to the requirement of fuel oil quality, and for example the medium-to-high grade car more than 300,000 yuan generally uses gasoline No. 97.If the label of gasoline is not enough, infringement in various degree can be caused to vehicle, even carbon deposit and incomplete combustion can be formed, bigger to atmospheric pollution.If use corresponding high-grade gasoline on request, great advantage is that the engine operation frequency is even, and cylinder inlet nozzle position carbon deposit reduces, the work-ing life that can improve mover; Shorten the vehicle speed-raising time, strengthen dynamic performance; Fuel burns more abundant in mover, reduces exhaust emissions, reduces and pollutes; Slow down to produce carbon deposit in the mover or form vapour lock and block transition pipeline.But; The unsettled phenomenons of quality index such as sulphur content, octane value, alkene and aromatic hydrocarbons appear in currently marketed some No. 97 gasoline easily, even additive improper use and influenced the overall target of oil product, particularly excessive use organometallic compound class octane enhancing additive; Possibly cause metal in sparking plug and combustion chamber deposition; Make the electric injection system misjudgment, abnormal problem ignition time occurs, or cause carbonizing of engine to increase.

(3) summary of the invention

The present invention is in order to remedy the deficiency of prior art, No. 97 motor spirit that provide that a kind of technical recipe is simple, effect is good and blending method thereof.

The present invention realizes through following technical scheme:

A kind of No. 97 motor spirit; It is characterized in that: the raw material that comprises following volume parts is processed: hydrogenation catalyst gasoline 70-90 part, MTBE 0-15 part, BTX aromatics 0-15 part, nonmetal RONA 1-3 part, above-mentioned all raw material volume 0.0003-0.0005 gasoline cleaning agent and above-mentioned all raw material volume 0.000001-0.00001 gasoline static inhibitor doubly doubly.

Said BTX aromatics contains benzene, toluene and YLENE.

Said gasoline cleaning agent is a PIBA.

Hydrogenation catalyst Study of Gasoline method octane value is more than 90, and the RON of BTX aromatics is more than 100.

The blending method of these No. 97 motor spirit is characterized in that: comprise the steps:

Hydrogenation catalyst gasoline, MTBE, the BTX aromatics of above-mentioned volume parts carried out respectively reinjecting after the processed in the blending oil tank; Add nonmetal RONA, gasoline cleaning agent and gasoline static inhibitor then, inspection confirms that blending oil tank liquid level more than blending height capable of circulation, opens pump circulation blending then; Circulation finishes; The termination of pumping valve-off, deposition dehydrating promptly gets after sampling analysis is qualified.

The beneficial effect of No. 97 motor spirit of the present invention and blending method thereof is: meet the blending of No. 97 motor spirit of motor spirit technical requirements through preferred gasoline blending component and the realization of oil product auxiliary agent; Solved the problem of quality index accordance differences such as No. 97 motor spirit anti-knocking property, sulphur content, aromaticity content, olefin(e) centent, benzene content, oxygen level; Technical recipe is simple, effect good, economic benefit and social benefit are good; Can improve refinery and produce the ability of No. 97 motor spirit, effectively increase the economic benefit of refinery.

(4) embodiment

With embodiment the present invention is described further below, said embodiment just is used for helping to it will be apparent to those skilled in the art that the present invention, rather than limits range of application of the present invention.

These No. 97 motor spirit; The raw material that comprises following volume parts is processed: hydrogenation catalyst gasoline 70-90 part, MTBE 0-15 part, BTX aromatics 0-15 part, nonmetal RONA 1-3 part; Above-mentioned all raw material volume 0.0003-0.0005 gasoline cleaning agent and above-mentioned all raw material volume 0.000001-0.00001 gasoline static inhibitor doubly doubly can be according to the factor flexible combination such as specific nature of said raw material.BTX aromatics contains benzene, toluene and YLENE; Gasoline cleaning agent is a PIBA; Hydrogenation catalyst Study of Gasoline method octane value is more than 90, and the RON of BTX aromatics is more than 100.

Embodiment 1:

(I) equipment and raw material:

4 of internal floating roof tanks, 700 sides/individual; 1 of DN100 pipeline static mixer, 3 of 1-50 sides/hour volumetric flow meter, 50 sides/3 of hour impeller pumps and valve, tensimeter and pipe fitting.Hydrogenation catalyst gasoline 73 sides, MTBE 12 sides, BTX aromatics 13 sides; Its sulphur content all is lower than 0.015% (massfraction); Quality index such as vp, copper corrosion is qualified; Nonmetal RONA 2 sides, 40 liters of gasoline cleaning agents, 550 milliliters in gasoline static inhibitor, wherein BTX aromatics contains benzene, toluene and YLENE; Gasoline cleaning agent is a PIBA; Hydrogenation catalyst Study of Gasoline method octane value is more than 90, and the RON of BTX aromatics is more than 100.

(II) blending method:

Hydrogenation catalyst gasoline, MTBE, the BTX aromatics of above-mentioned volume are carried out respectively injecting the blending oil tank with volume pump through static mixer after the processed; Add nonmetal RONA, gasoline cleaning agent and gasoline static inhibitor then, inspection is confirmed blending oil tank liquid level more than blending height capable of circulation, confirms that flow process opens pump circulation blending after errorless; Circulation finishes; The termination of pumping valve-off, deposition dehydrating promptly gets after sampling analysis is qualified.The gasoline static inhibitor also can dilute adding.

The application result of present embodiment:

A) quality index: when hydrogenation catalyst Study of Gasoline method octane value more than 90; The RON of BTX aromatics is more than 100; When the sulphur content of hydrogenation catalyst gasoline, MTBE, BTX aromatics is lower than 0.015% (massfraction); The sulphur content of No. 97 motor spirit of being concocted can control to below 0.015% (massfraction), RON is more than 97.5, and other each item quality index meet No. 97 motor spirit technical requirementss of GB17930-2011 " motor spirit " standard code.

B) over-all properties: the use of gasoline cleaning agent, gasoline static inhibitor can improve the peace and quiet characteristic of No. 97 motor spirit of being concocted, and effectively reduces the intake valve settling and keeps fuel system cleaning, improves the safety performance of its transportation and accumulating.

Embodiment 2:

Hydrogenation catalyst gasoline 70 sides, BTX aromatics 15 sides; Its sulphur content all is lower than 0.015% (massfraction); Quality index such as vp, copper corrosion is qualified; Nonmetal RONA 1 side, 25.8 liters of gasoline cleaning agents, 86 milliliters in gasoline static inhibitor, wherein BTX aromatics contains benzene, toluene and YLENE; Gasoline cleaning agent is a PIBA; Hydrogenation catalyst Study of Gasoline method octane value is more than 90, and the RON of BTX aromatics is more than 100, and equipment and blending method are with embodiment 1.

Embodiment 3:

Hydrogenation catalyst gasoline 90 sides, MTBE 15 sides; Its sulphur content all is lower than 0.015% (massfraction); Quality index such as vp, copper corrosion is qualified; Nonmetal RONA 3 sides, 54 liters of gasoline cleaning agents, 1080 milliliters in gasoline static inhibitor, wherein gasoline cleaning agent is a PIBA; Hydrogenation catalyst Study of Gasoline method octane value is more than 90, and equipment and blending method are with embodiment 1.

Hydrogenation catalyst gasoline is the low-sulphur oil that catalytic gasoline obtains after hydrogenating desulfurization.At present, the gasoline hydrogenation technology mainly contains OCT-M and S Zorb Technology, and what domestic in recent years application was more is OCT-M (or OCT-MD) Technology of China Petroleum and Chemical Corporation Fushun Petrochemical Research Institute's exploitation.

The present invention is from the technical requirements of No. 97 motor spirit; Under all qualified prerequisite of its each item technical indicator; Pay the utmost attention to the use properties of oil product; Do not add metal octane promoters such as manganese base, emphasis solves influences the principal element that forms carbon deposit in the gasoline, significant to the improvement of No. 97 traditional motor spirit over-all propertieies.

The present invention is to No. 97 motor spirit prescriptions of tradition and the improved technology of mixing process; Keeping No. 97 motor spirit each item quality index to meet on the basis of No. 97 motor spirit technical requirementss of GB17930-2011 " motor spirit " standard code; Metal octane promoters such as manganese base have been realized not adding; Solving influences the principal element that forms carbon deposit in the gasoline, improves the target of its use properties, and then is that the quality product that improves No. 97 motor spirit provides technical support.No. 97 motor spirit of the present invention are meant No. 97 motor spirit that meet GB17930-2011 " motor spirit " standard code.

The present invention proposes analysing in depth on the true basis that No. 97 traditional motor spirit are prone to cause the sedimental know-why of formations on the engine intake valve metallic surface, and main contents are following: (1) application nonmetal RONA 1-3 part harmless to mover; (2) use the gasoline cleaning agent that the intake valve settling can effectively be reduced and keep the fuel system cleaning; (3) use hydrogenation catalyst gasoline 70-90 part, MTBE 0-15 part, BTX aromatics 0-15 part, emphasis solves influences the chemical ingredients that forms carbon deposit in the gasoline; (4) use the gasoline static inhibitor, improve the safety performance of its transportation and accumulating.　

Difference through the present invention and existing method specifies the present invention below:

1. traditional method adopts the low-sulfur catalytic gasoline of not hydrogenating desulfurization.The present invention is carrying out gasoline blending components such as the hydrogenation catalyst gasoline of having selected for use aspect GB17930-2011 " motor spirit " standard sulphur content to be lower than 0.015% (massfraction), BTX aromatics, MTBE; According to effect of requirement; Hydrogenation catalyst gasoline as gasoline blending component can change in 70-90 part scope; BTX aromatics can change in 0-15 part scope; MTBE can change in 0-15 part scope, forms sedimental ability with the anti-oxidant gum deposit that improves No. 97 motor spirit.

2. the used RONA of traditional method belongs to metal RONAs such as manganese base or contains the nonmetal octane promoter of methylal, methylphenylamine, 2-butyl acetate, maybe the use properties of product be had a negative impact.RONA of the present invention does not contain organometallic compounds such as manganese, does not contain compositions such as methylal, methylphenylamine, 2-butyl acetate.

3. traditional method is not added gasoline cleaning agent.The present invention selected for use the 5th generation gasoline cleaning agent-PIBA, to improve the spatter property of fuel system.

Claims (5)

1. No. 97 motor spirit; It is characterized in that: the raw material that comprises following volume parts is processed: hydrogenation catalyst gasoline 70-90 part, MTBE 0-15 part, BTX aromatics 0-15 part, nonmetal RONA 1-3 part, above-mentioned all raw material volume 0.0003-0.0005 gasoline cleaning agent and above-mentioned all raw material volume 0.000001-0.00001 gasoline static inhibitor doubly doubly.

2. No. 97 motor spirit according to claim 1, it is characterized in that: BTX aromatics contains benzene, toluene and YLENE.

3. No. 97 motor spirit according to claim 1 is characterized in that: gasoline cleaning agent is a PIBA.

4. No. 97 motor spirit according to claim 1 is characterized in that: hydrogenation catalyst Study of Gasoline method octane value is more than 90, and the RON of BTX aromatics is more than 100.

5. the blending method of described No. 97 motor spirit of claim 1 is characterized in that: comprise the steps:

Hydrogenation catalyst gasoline, MTBE, the BTX aromatics of above-mentioned volume parts carried out respectively reinjecting after the processed in the blending oil tank; Add nonmetal RONA, gasoline cleaning agent and gasoline static inhibitor then, inspection confirms that blending oil tank liquid level more than blending height capable of circulation, opens pump circulation blending then; Circulation finishes; The termination of pumping valve-off, deposition dehydrating promptly gets after sampling analysis is qualified.