CN104726143A - Methanol gasoline - Google Patents

Abstract

The invention relates to a methanol gasoline which can be mixed with regular gasoline at a random ratio for using without modifying automobile fuel injection systems. The methanol gasoline is composed of, by weight, 82 to 88 parts of methanol, 2 to 4 parts of a modifier, and 10 to 14 parts of a calorific value increasing agent. The methanol gasoline possesses following advantages compared with conventional methanol gasoline: the methanol gasoline can be used alone, or can be mixed with national standard No.93 gasoline at a random ratio for using, and no vehicle modification is needed; no corrosion on oil pumps, oil systems, and oil atomizer nozzles is caused, and complete cleaning of vehicle fuel injection systems is not necessary for the first time of using; power of vehicles provided with the methanol gasoline is higher than powder of the same vehicles provided with national standard No.93 gasoline, and using energy consumption of a vehicle provided with the methanol gasoline is equal to that of a same vehicle provided with gasoline; swelling action of the methanol gasoline on plastic cement and swelling action of gasoline on plastic cement are the same; and when the methanol gasoline is mixed with gasoline, layering or emulsifying of the methanol gasoline is not caused even when the methanol gasoline is mixed with 3%, by mass, of water.

Description

A kind of methanol gasoline

Technical field

The present invention relates to a kind of vehicle fuel, be specifically related to a kind of methanol gasoline.

Background technology

Gasoline is normally raw material with oil, refines obtain C through multiple tracks technique ₄-C ₁₂aliphatic hydrocarbon and cyclic hydrocar-bons, methanol gasoline is then fuel based on Coal Chemical Industry Methanol product, more composite base gasoline, additive and the mixture obtained.The great advantage of methanol gasoline to reduce motor vehicle exhaust obnoxious flavour total amount, more cleans and be conducive to environment, therefore become study hotspot than traditional gasoline.

But when using large-proportion methanol gasoline (i.e. the methanol gasoline of methanol content more than 30%) in prior art, mainly contain following two kinds of defects: 1, use during methanol gasoline and electronic double controlled system must be installed, former car engine system is reequiped, this turn is carried out to injection system, increase its fuel charge, and when automobile power is not enough, conversion uses traditional base gasoline automatically; 2, the oil pump of resistance to alcohol using specialty is needed.

Vehicle through repacking uses methanol gasoline also to there will be following problem: 1, be short of power: show vehicle driving up, driving of turning on the aircondition, speed per hour is more than 100 kilometers; 2, energy consumption is large: compared with No. 93 conventional gasoline, observable index reaches 1:1.8, and some vehicle reaches 1:2(and namely travels 100 kilometers of consumption 10 liters, gasoline with a car, consumes 18 liters-20 liters with methyl alcohol).

Cause the reason of these defects and problem to be: methyl alcohol calorific value is low, and calorific value is 4650 kilocalories, and gasoline is 10200 kilocalories, and low the determining of calorific value is short of power, after changing engine system, increase fuel charge, cause energy consumption to increase; Methyl alcohol separates in transport and storage middle reaches and solves Jia Chuo and formic acid, first has very strong corrosive nature, specifically corrosive nature is had to oil pump, oil circuit and cylinder body, have corrosive nature to oil pump, oil circuit and cylinder body, methyl alcohol has stronger washing and solubility property, has cleanup action to the iron rust in fuel tank, oil circuit, dirt, colloid, cause oil circuit and fuel injection nozzle blocking, affect normal fuel injection, usual common oil pump monthly needs to change once, and the oil pump of resistance to alcohol changes once for 3 months; Fuel injection nozzle easily blocks, and to plastic cement swelling in oil piping system, has corrosion to oil pump, oil circuit, engine cylinder-body; Use first and must clean vehicle oil way system; Moisture time used in combination with gasoline in air enters after gasoline reaches 1%, and methanol gasoline demixing phenomenon will occur.

Summary of the invention

For above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide and a kind ofly can to use with any proportioning of regular gasoline, do not need methanol gasoline that automobile injection system is reequiped.

For achieving the above object, the technical solution used in the present invention is: a kind of methanol gasoline is made up of following parts by weight of component: methyl alcohol 82-88 part, properties-correcting agent 2-4 part, heat value agent 10-14 part.

The purity of methyl alcohol should be massfraction and is more than or equal to 99.9%; Properties-correcting agent is the reagent playing katalysis when methanol gasoline burns, as fatty acid magnesium etc., or/and play the reagent of solublization, as alcohol compound, methyl tertiary butyl ether etc.; Heat value agent can improve the reagent of the combustion utilization efficiency of methanol gasoline, as benzene-like compounds, methylethyl ketone peroxide etc.

Preferred further, described methanol gasoline is made up of following parts by weight of component: methyl alcohol 85 parts, properties-correcting agent 3 parts, heat value agent 12 parts.

Further, described properties-correcting agent comprises following parts by weight of component: dehydrated alcohol 25-35 part, Virahol 15-25 part, ethyl acetate 25-35 part, trimethyl carbinol 15-20 part, tween 80 0.2-0.4 part, petroleum sodium sulfonate 0.2-0.4 part, benzotriazole 0.2-0.4 part, pyrazolone 0.05-0.15 part.

Tween 80 and Tween-80 are conventional emulsifying agent; Petroleum sodium sulfonate is alkyl sodium sulfonate, is generally the alkyl sodium sulfonate containing 14-18 carbon atom; Benzotriazole and benzotriazole; Pyrazolone and 5-pyrazolone, also known as 5-pyrazolone, English name 5-pyrazolone, its molecular structural formula is:

Preferred further, described properties-correcting agent comprises following parts by weight of component: dehydrated alcohol 30 parts, Virahol 20 parts, ethyl acetate 30 parts, the trimethyl carbinol 19 parts, tween 80 0.3 part, petroleum sodium sulfonate 0.3 part, benzotriazole 0.3 part, pyrazolone 0.1 part.

Further, described heat value agent comprises following parts by weight of component: pentane 7-13 part, hexane 7-13 part, dimethylbenzene 35-45 part, sherwood oil 35-45 part.

Preferred further, described heat value agent comprises following parts by weight of component: pentane 10 parts, hexane 10 parts, dimethylbenzene 40 parts, sherwood oil 40 parts.

The preparation method of described methanol gasoline comprises step:

A, dehydrated alcohol, Virahol, ethyl acetate, the trimethyl carbinol added stir in reactor after, then add tween 80, petroleum sodium sulfonate, benzotriazole, pyrazolone, then stir, leave standstill and namely obtain properties-correcting agent after at least 24 hours;

B, pentane, hexane, dimethylbenzene, sherwood oil to be uniformly mixed in a kettle., to leave standstill and namely obtain heat value agent after at least 24 hours;

C, the properties-correcting agent configured and heat value agent and methanol mixed to be stirred, leave standstill and namely obtain product methanol gasoline after at least 24 hours.

That is add tween 80 after stirring after first the alcohol in properties-correcting agent and ester proportionally being prepared again successively, petroleum sodium sulfonate, benzotriazole, pyrazolone stir, leave standstill and obtain properties-correcting agent after more than 24 hours; Each for heat value agent component is stirred by proportioning preparation remix, leaves standstill and obtain heat value agent after more than 24 hours; By leave standstill after properties-correcting agent and heat value agent join mixing and stirring in the methyl alcohol of calculated amount, leave standstill then obtain methanol gasoline product after more than 24 hours.

In technique scheme, in each step, parameters is optimum parameter, but those skilled in the art can carry out according to instruction of the present invention the change that is equal to, and the equivalent variations of carrying out also falls into protection scope of the present invention.

The present invention has the following advantages compared with traditional methanol gasoline:

1, to be used alone or used in combination with GB 93# gasoline arbitrary proportion, and not need to carry out any repacking to vehicle;

2, to oil pump and oil piping system, the corrosion-free effect of fuel injection nozzle, first time uses not to be needed thoroughly to clean vehicle injection system;

3, power is strong, and the methanol gasoline ratio using the present invention to configure uses GB 93# petrol power stronger, and is quite 1:1 with a car Energy in use and use gasoline;

4, the swelling effect of methanol gasoline to plastic cement that prepared by the present invention is equal to gasoline;

5, with gasoline used in combination time, even if be mixed into the moisture of 3% massfraction, methanol gasoline also can not layering, can not emulsification.

Embodiment

For making those skilled in the art clearly and technical scheme clearly of the present invention, spy provides preferred embodiment below, but technological thought of the present invention is not limited to following examples.

Embodiment one

88.2kg dehydrated alcohol, 58.8kg Virahol, 88.2kg ethyl acetate, the 55.9kg trimethyl carbinol are added after stirring in reactor, add 882g tween 80,882g petroleum sodium sulfonate, 882g benzotriazole, 294g pyrazolone again, stir again, leave standstill and namely obtain properties-correcting agent after 24 hours; 117.7kg pentane, 117.7kg hexane, 470.5kg dimethylbenzene, 470.5kg sherwood oil are uniformly mixed in a kettle., leave standstill and namely obtain heat value agent after 24 hours; The properties-correcting agent configured and heat value agent and 8.42t methanol mixed are stirred, leaves standstill and namely obtain product methanol gasoline after 24 hours.

Embodiment two

65.3kg dehydrated alcohol, 30.8kg Virahol, 61.5kg ethyl acetate, the 34.6kg trimethyl carbinol are added after stirring in reactor, add 769g tween 80,384g petroleum sodium sulfonate, 577g benzotriazole, 250g pyrazolone again, stir again, leave standstill and namely obtain properties-correcting agent after 24 hours; 78.4kg pentane, 68.6kg hexane, 392.1kg dimethylbenzene, 431.3kg sherwood oil are uniformly mixed in a kettle., leave standstill and namely obtain heat value agent after 24 hours; The properties-correcting agent configured and heat value agent and 8.61t methanol mixed are stirred, leaves standstill and namely obtain product methanol gasoline after 24 hours.

Embodiment three

104.2kg dehydrated alcohol, 92.2kg Virahol, 112.3kg ethyl acetate, the 64.2kg trimethyl carbinol are added after stirring in reactor, add 802g tween 80,1.604kg petroleum sodium sulfonate, 802g benzotriazole, 241g pyrazolone again, stir again, leave standstill and namely obtain properties-correcting agent after 24 hours; 121.4kg pentane, 169.9kg hexane, 424.8kg dimethylbenzene, 509.7kg sherwood oil are uniformly mixed in a kettle., leave standstill and namely obtain heat value agent after 24 hours; The properties-correcting agent configured and heat value agent and 8.06t methanol mixed are stirred, leaves standstill and namely obtain product methanol gasoline after 24 hours.

Sent by the methanol gasoline that embodiment one to three configures Zhejiang Province Quality Technology Supervision Detection Research Institute to detect by GB17930-2011 motor spirit state IV standards, its every Testing index is better than commercially available 97# GB gasoline.

Methanol gasoline product the present invention prepared and commercial goods 93# gasoline carry out contrast test, stop from December 1,2013 on the 1st January in 2012 through five common taxis, last 23 months, after stroke about 200,000 kilometers test, vehicle is normally as good as condition, and engine scuffing is than little during use gasoline, every gas mileage volume ratio of the present invention and 93# gasoline is 1:1.The present invention and commercially available qualified 93# gasoline are carried out idle exhaust emission thing contrast test, and its result is as shown in table 1:

Table 1 discharge contrast test test result

The present invention's successful in automobile harmful gas reduction of discharging is better than existing gasoline as seen from Table 1.

Claims (7)

1. a methanol gasoline, is characterized in that: be made up of following parts by weight of component: methyl alcohol 82-88 part, properties-correcting agent 2-4 part, heat value agent 10-14 part.

2. methanol gasoline according to claim 1, is characterized in that: described methanol gasoline is made up of following parts by weight of component: methyl alcohol 85 parts, properties-correcting agent 3 parts, heat value agent 12 parts.

3. methanol gasoline according to claim 1 and 2, it is characterized in that: described properties-correcting agent comprises following parts by weight of component: dehydrated alcohol 25-35 part, Virahol 15-25 part, ethyl acetate 25-35 part, trimethyl carbinol 15-20 part, tween 80 0.2-0.4 part, petroleum sodium sulfonate 0.2-0.4 part, benzotriazole 0.2-0.4 part, pyrazolone 0.05-0.15 part.

4. methanol gasoline according to claim 1 and 2, it is characterized in that: described properties-correcting agent comprises following parts by weight of component: dehydrated alcohol 30 parts, Virahol 20 parts, ethyl acetate 30 parts, the trimethyl carbinol 19 parts, tween 80 0.3 part, petroleum sodium sulfonate 0.3 part, benzotriazole 0.3 part, pyrazolone 0.1 part.

5. methanol gasoline according to claim 1 and 2, is characterized in that: described heat value agent comprises following parts by weight of component: pentane 7-13 part, hexane 7-13 part, dimethylbenzene 35-45 part, sherwood oil 35-45 part.

6. methanol gasoline according to claim 1 and 2, is characterized in that: described heat value agent comprises following parts by weight of component: pentane 10 parts, hexane 10 parts, dimethylbenzene 40 parts, sherwood oil 40 parts.

7. according to the preparation method of the methanol gasoline in claim 1-6 described in any one, it is characterized in that: comprise step:

A, dehydrated alcohol, Virahol, ethyl acetate, the trimethyl carbinol added stir in reactor after, then add tween 80, petroleum sodium sulfonate, benzotriazole, pyrazolone, then stir, leave standstill and namely obtain properties-correcting agent after at least 24 hours;

B, pentane, hexane, dimethylbenzene, sherwood oil to be uniformly mixed in a kettle., to leave standstill and namely obtain heat value agent after at least 24 hours;

C, the properties-correcting agent configured and heat value agent and methanol mixed to be stirred, leave standstill and namely obtain product methanol gasoline after at least 24 hours.