CN105038870A - High-performance methanol gasoline catalyst - Google Patents

Abstract

The invention relates to a high-performance methanol gasoline catalyst which consists of the following components in parts by weight: 10-20 parts of isopentane, 18-25 parts of dimethyl benzene, 5-15 parts of a combustion catalyst, 1-8 parts of isopropanol, 2-8 parts of an antioxidant, 1-3 parts of 3-nitrophenyl hydrazine, 3-6 parts of a T1201 metal passivating agent, 12-16 parts of diethyl ether, 15-22 parts of C-12, 8-15 parts of acetylacetone and 9-21 parts of sodium diethyldithiocarbamate. The high-performance methanol gasoline catalyst can be used for improving the compatibility and low-temperature stability of methanol gasoline and ensuring that the methanol gasoline has certain water resistance.

Description

A kind of high-performance methanol gasoline catalyzer

Technical field

The present invention relates to a kind of automobile-used substitute energy, in particular, belong to a kind of high-performance methanol gasoline catalyzer.

Background technology

Since eighties of last century the seventies secondary oil crisis occurs; the numerous scholar in the whole world, entrepreneur are to vehicle alternative fuel--and methanol gasoline has carried out Journal of Sex Research on probation widely, and the country such as the U.S., Germany, Japan, Sweden all gives a large amount of financial supports and policy inclination to the research and development of methanol gasoline and application.China actively researches and develops methanol gasoline from the eighties in last century, has entered M15 ~ M30 at present and has promoted the practical stage.The whole world is about to enter rare-view set-up, according to USDOE and World Energy Council's prediction, the Global Oil energy can be exploited and be limited to more than 30 year year, China can exploit the time limit less than 20 years, the national conditions of China are oil starvation, weak breath, many coals, along with the fast development of China's economy, petroleum resources imbalance between supply and demand is becoming increasingly acute.Therefore, delaying fossil energy exhaustion is the problem being related to national energy security Major Strategic.

Methanol gasoline refers in GB unleaded gasoline for vehicle. by volume or weight ratio add a certain proportion of denatured methyl alcohol. through a kind of clean fuel for vehicle of etherification modified and polynary mixture.On technological layer, current, global methanol gasoline faces four problems: " the difficult startup of low temperature, high temperature vapour lock, chance water stratification, swell rubber "; Become the bottleneck that restriction methanol gasoline develops in a healthy way.

Methanol gasoline octane value is high, clean environment firendly, incendivity is good, it is the best substitute energy of gasoline, but still have that substitution ratio is little, poor stability, chance water stratification, the technical barrier such as metallic corrosion and swell rubber, govern the development of methanol gasoline, wherein substitution ratio and stability are critical problems, and it comprises consistency, the aspect such as water repelling property and low-temperature stability of methyl alcohol and gasoline.Effective solution is the good auxiliary agent of selectivity, is the key of methanol gasoline research.

Summary of the invention

The object of the invention is to overcome defect of the prior art, a kind of high-performance methanol gasoline catalyzer is provided, improve consistency, the low-temperature stability of methanol gasoline, and make it have certain water resistant ability.

The present invention is achieved by the following technical programs.

A kind of high-performance methanol gasoline catalyzer, its moiety is counted as follows by weight:

Iso-pentane 10-20 part

Dimethylbenzene 18-25 part

Combustioncatalysts 5-15 part

Virahol 1-8 part

Oxidation inhibitor 2-8 part

3-nitrophenyl hydrazine 1-3 part

Metal passivator T1201 3-6 part

Anaesthetie Ether 12-16 part

Carbon 12 15-22 part

Methyl ethyl diketone 8-15 part

Thiocarb 9-21 part;

Described combustioncatalysts is counted by weight and is mixed by trolamine 3-5 part, propylene glycol 2-6 part, cupric nitrate 1-4 part, ethyl acetate 0-3 part and sodium carbonate 2-5 part;

Described oxidation inhibitor is counted by weight and is mixed by 2,6 ditertiary butyl p cresol 2-6 part, sulphur phosphorus brothers base zinc salt 1-3 part and triacetin 1-5 part.

Above-mentioned a kind of high-performance methanol gasoline catalyzer, wherein, the preparation method of described catalyzer is as follows:

(1) iso-pentane, dimethylbenzene, combustioncatalysts, Virahol, 3-nitrophenyl hydrazine, Anaesthetie Ether, Thiocarb are mixed at the temperature of 40-55 DEG C just expect A;

(2) carbon 12, methyl ethyl diketone are mixed at the temperature of 50-65 DEG C just expect B;

(3) will just expect A, just expect that B, oxidation inhibitor, metal passivator T1201 are 80-110 DEG C in temperature, pressure be, after mixing 1-2h under the condition of 500-650Mpa, be cooled to normal temperature, finished catalyst.

Beneficial effect of the present invention is:

Preparation process of the present invention is simple, cost is lower, reduce the existence of volatile components in methanol gasoline to greatest extent, reduce the saturated vapor pressure of methanol gasoline, avoid the air-resistance phenomenon of high temperature season in automobile-used or fuel filling process, by rationally transforming the methyl alcohol in methanol fuel, oil quality can be improved further, promote the power attribute of methanol fuel, by rational catalyzed conversion, oxygen in methyl alcohol is transformed with other forms, promotes the burning characteristics of methanol fuel, reduce Routine purges and the unregulated exhaust of oil product to greatest extent.Experiment finds, is decreased by the benzene homologues such as benzene, toluene content in the gaseous fraction after catalyzed reaction, and this is significant for the benzene content reduced in motor vehicle exhaust, is conducive to environment protection, reduces topsoil.

The present invention increases calorific value, improves power.Metal salt compound in combustioncatalysts, has homogeneous catalysis Decomposition to methyl alcohol, is conducive to the lean burn of methanol gasoline in engine cylinder and thermo-efficiency improves, and makes fuel combustion complete, improves efficiency of combustion.

The present invention has excellent peace and quiet dispersion effect, sticky-temperature characteristics, base number retentivity, acid neutralization capacity, can suppress the generation of greasy filth isopolarity material; Good resistance to high temperature oxidation stability, high shear stability, rubber compatibility, the fuel economy that cold cranking capacity is good, excellent, corrosion-free to moving parts, guarantee the oil film strength that oil product keeps enough, reduce wearing and tearing.

Embodiment

Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.

Embodiment one

A kind of high-performance methanol gasoline catalyzer, the preparation method of described catalyzer is as follows:

(1) count by weight trolamine 4 parts, propylene glycol 4 parts, cupric nitrate 2 parts, ethyl acetate 2 parts and 3 parts, sodium carbonate are mixed obtained combustioncatalysts;

(2) count by weight 2,6 ditertiary butyl p cresol 3 parts, sulphur phosphorus brothers base zinc salt 2 parts and triacetin 3 parts are mixed obtained oxidation inhibitor;

(3) count by weight and iso-pentane 15 parts, dimethylbenzene 22 parts, combustioncatalysts 10 parts, Virahol 5 parts, 3-nitrophenyl hydrazine 2 parts, Anaesthetie Ether 13 parts, Thiocarb 15 parts are mixed just expect A at the temperature of 50 DEG C;

(4) count by weight and 12 parts, carbon, methyl ethyl diketone 12 parts are mixed just expect B at the temperature of 55 DEG C;

(5) will just expect A, just expect that B, 4 parts, oxidation inhibitor, T1201 metal passivator 4 parts are 90 DEG C in temperature, pressure be, after mixing 2h under the condition of 600Mpa, be cooled to normal temperature, finished catalyst.

Embodiment two

A kind of high-performance methanol gasoline catalyzer, the preparation method of described catalyzer is as follows:

(1) count by weight trolamine 3 parts, propylene glycol 2 parts, cupric nitrate 1 part and 2 parts, sodium carbonate are mixed obtained combustioncatalysts;

(2) count by weight 2,6 ditertiary butyl p cresol 2 parts, sulphur phosphorus brothers base zinc salt 1 part and triacetin 1 part are mixed obtained oxidation inhibitor;

(3) count by weight and iso-pentane 10 parts, dimethylbenzene 18 parts, combustioncatalysts 5 parts, Virahol 1 part, 3-nitrophenyl hydrazine 1 part, Anaesthetie Ether 12 parts, Thiocarb 9 parts are mixed just expect A at the temperature of 50 DEG C;

(4) count by weight and 12 parts, carbon, methyl ethyl diketone 8 parts are mixed just expect B at the temperature of 50 DEG C;

(5) will just expect A, just expect that B, 2 parts, oxidation inhibitor, T1201 metal passivator 3 parts are 90 DEG C in temperature, pressure be, after mixing 2h under the condition of 580Mpa, be cooled to normal temperature, finished catalyst.

Embodiment three

A kind of high-performance methanol gasoline catalyzer, the preparation method of described catalyzer is as follows:

(1) count by weight trolamine 5 parts, propylene glycol 6 parts, cupric nitrate 4 parts, ethyl acetate 3 parts and 5 parts, sodium carbonate are mixed obtained combustioncatalysts;

(2) count by weight 2,6 ditertiary butyl p cresol 6 parts, sulphur phosphorus brothers base zinc salt 3 parts and triacetin 5 parts are mixed obtained oxidation inhibitor;

(3) count by weight and iso-pentane 20 parts, dimethylbenzene 25 parts, combustioncatalysts 15 parts, Virahol 8 parts, 3-nitrophenyl hydrazine 3 parts, Anaesthetie Ether 16 parts, Thiocarb 21 parts are mixed just expect A at the temperature of 50 DEG C;

(4) count by weight and 12 parts, carbon, methyl ethyl diketone 15 parts are mixed just expect B at the temperature of 55 DEG C;

(5) will just expect A, just expect that B, 8 parts, oxidation inhibitor, T1201 metal passivator 6 parts are 90 DEG C in temperature, pressure be, after mixing 2h under the condition of 600Mpa, be cooled to normal temperature, finished catalyst.

Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.

Claims (2)

1. a high-performance methanol gasoline catalyzer, is characterized by, and its moiety is counted as follows by weight:

Iso-pentane 10-20 part

Dimethylbenzene 18-25 part

Combustioncatalysts 5-15 part

Virahol 1-8 part

Oxidation inhibitor 2-8 part

3-nitrophenyl hydrazine 1-3 part

Metal passivator T1201 3-6 part

Anaesthetie Ether 12-16 part

Carbon 12 15-22 part

Methyl ethyl diketone 8-15 part

Thiocarb 9-21 part;

Described combustioncatalysts is counted by weight and is mixed by trolamine 3-5 part, propylene glycol 2-6 part, cupric nitrate 1-4 part, ethyl acetate 0-3 part and sodium carbonate 2-5 part;

Described oxidation inhibitor is counted by weight and is mixed by 2,6 ditertiary butyl p cresol 2-6 part, sulphur phosphorus brothers base zinc salt 1-3 part and triacetin 1-5 part.

2. a kind of high-performance methanol gasoline catalyzer as claimed in claim 1, it is characterized by, the preparation method of described catalyzer is as follows:

(1) iso-pentane, dimethylbenzene, combustioncatalysts, Virahol, 3-nitrophenyl hydrazine, Anaesthetie Ether, Thiocarb are mixed at the temperature of 40-55 DEG C just expect A;

(2) carbon 12, methyl ethyl diketone are mixed at the temperature of 50-65 DEG C just expect B;

(3) will just expect A, just expect that B, oxidation inhibitor, metal passivator T1201 are 80-110 DEG C in temperature, pressure be, after mixing 1-2h under the condition of 500-650Mpa, be cooled to normal temperature, finished catalyst.