CN1222559A - Additive for diesel oil and its preparation - Google Patents

Abstract

The additive is prepared by mixing ferrocene or its derivative, calcium naphthenate, manganese naphthenate, antioxidant, dispersant and dimethylbenzene as startins material in reactor. It has obvious oil saving effect, low cost, low consumption and good chemical stability, and it can reduce exhausted smoke and environmental pollution as well as maintain the engine clean to reduce the service of engine and to prolong its life.

Description

A kind of diesel-dope and preparation method

The present invention relates to a kind of diesel-dope.

Diesel oil is to use fuel oil comparatively widely, owing to produce a large amount of black smokes during burning, cause environmental pollution, simultaneously because burning is bad, also cause waste, in order to save the energy and to reduce environmental pollution, adding additive in fuel oil is present hot spot technology, and disclosed patented technology comes with some shortcomings, have plenty of the water-soluble metal salt of utilization and make the catalytic activity thing, oil soluble is bad, poor chemical stability, and what have only is to consider combustion-supporting single effect and do not pay attention to the peace and quiet problem of keeping a public place clean.

Purpose of the present invention provides a kind of chemical stability good in order to overcome above-mentioned prior art shortcoming with deficiency just, and active ingredient is soluble in a kind of diesel-dope of oils, thereby can improve efficiency of combustion.

The invention still further relates to the preparation method of this additive

The objective of the invention is to realize by following technical proposal: a kind of diesel-dope is characterized in that it is to be made by the following weight proportion raw material:

5 parts of calcium naphthenate 10-30 of ferrocene 2-10 part manganese naphthenate 8-2 part

2.6-the preferred weight proportioning of ditertbutylparacresol 2-6 part detergent-dispersant additive 15-28 part dimethylbenzene 20-120 part raw material is

Ferrocene 2-8 part manganese naphthenate 15-25 part calcium naphthenate 15-25 part

2.6-the optimum weight proportioning of ditertbutylparacresol 2-5 part detergent-dispersant additive 15-25 part dimethylbenzene 20-100 part raw material is

18.5 parts of 19 parts of calcium naphthenates of 4 parts of manganese naphthenates of ferrocene

2.6-36 parts of 19.5 parts of dimethylbenzene of 3 parts of detergent-dispersant additives of ditertbutylparacresol

Wherein ferrocene can be in order to the ferrocenyl methyl ketone in the ferrocene deriv, tertiary butyl ferrocene, octyl ferrocene wherein any one; Calcium naphthenate or manganese naphthenate be any one also available iron naphthenate or magnesium naphthenate wherein; The also available toluene of dimethylbenzene, benzene, dimethylbenzene wherein any one; The additive add-on is diesel oil weight 0.5-5 ‰.

The preparation method of additive is characterized in that it is undertaken by following step successively:

A) at first the derivative of 2-10 part ferrocene or ferrocene is dissolved in 20-120 part dimethylbenzene or toluene or the benzene;

B) again with 8-25 part manganese naphthenate or iron naphthenate, any one raw material of magnesium naphthenate with (a) 1/3 mixing of materials and add reactor and stirred 20-40 minute, add 10-30 part calcium naphthenate or iron naphthenate, magnesium naphthenate any one and 15-28 part detergent-dispersant additive again and continue to stir;

C) the 2.6-ditertbutylparacresol of getting 2-6 part is dissolved in (a) 1/3 material and stirs to make it to dissolve fully and add in (b) reactor material again, simultaneously will (a) 1/3 remaining material adds in reactor stirring 20-30 minute;

D) at last (d) reaction mass is crossed brass wire cloth, sieve aperture is 0.12mm, is product under the sieve.

Raw material ferrocene of the present invention is as active constituent, it is the abbreviation of dicyclopentadienyl iron, belong to metallocene compound, ferrocene and derivative thereof have combustion-supporting effect, and calcium naphthenate, manganese naphthenate, magnesium naphthenate, iron naphthenate all are oil soluble metal salt, it has overcome the deficiency that water-soluble salt is made active constituent, also having combustion-supporting performance, can make diesel combustion more complete, is combustioncatalysts; 2.6-ditertbutylparacresol is an oxidation inhibitor; shield; detergent-dispersant additive is a kind of mixture; produce by U.S. Esso company, product grade PARADYNE530, it is made up of multiple components such as purification agent and dispersion agents; it can make the carbon deposit of burning nozzle or furnace chamber be cleared up; make the engine good running status that keeps clean, prolong the work-ing life of engine, reduce frequency of maintenance.

Additive of the present invention detects through national petroleum products quality supervision and test center, and its result is as follows, sees Table 1

Table 1

Quality index test-results project test method

The blank additive existent gum of product standard, mg/100mL is not more than 70 GB/T509,34 64 sulphur contents, % (m/m) is not more than 1.0 GB/T380,0.049 0.049 moisture, % is not more than vestige GB/T260 does not have acidity-free, mgKOH/100mL is not more than 10 GB/T258 1.49 2.2310% and steams the excess carbon residue, % is not more than 0.3 GB/T258,0.16 0.21 ash content, % is not more than (50 ℃ of 0.02 GB/T508,00 copper corrosions, 3h), level is not more than 1 GB/T5096 1a 1a water soluble acid or the first no kinematic viscosity of GB/T511 (20 ℃) of the no mechanical impurity of the GB/T259 of alkali unit, mm ²/ s 2.5-8.0 GB/T265 3.559 3.525 condensation points, ℃ be not higher than-20 GB/T510-26-25 cold filter clogging temperatures, ℃ be not higher than-14 GB/T0248-10-8 flash-points (agar diffusion method of remaining silent), ℃ be not less than 60 GB/T261,45 38 cetane value to be not less than 45 GB/T386,50.4 50.5 boiling range: GB/T6536

50% recovered temperature ℃ is not higher than 300 259.0 259.5

90% recovered temperature ℃ is not higher than 355 316.5 317.0

95% recovered temperature ℃ is not higher than 365 332.5 333.0

Density (20 ℃) kg/m ³Actual measurement GB/T1384 826.6

Measurement result shows that the every index of additive all belongs to and meets national standard.

Carry out the engine pedestal performance test by Beijing Agricultural Engineering Univ., to its rate of fuel consumption, output rating and smoke evacuation compare, test item:

(1) diesel motor external characteristics simultaneous test;

(2) diesel motor 2000 commentaries on classics/per minute part throttle characteristics simultaneous tests;

(3) the diesel motor 2400 commentaries on classics/per minutes special characteristic simultaneous test of loading;

(4) diesel motor steam discharge smoke intensity simultaneous test.

Test is with 0 ^#Diesel oil.

Test-results is by Fig. 1, Fig. 2, shown in Figure 3,

Fig. 1 is a diesel motor characteristic comparing result;

Fig. 2 is 2000 rev/mins of part throttle characteristics comparing results of diesel motor;

Fig. 3 is 2400 rev/mins of part throttle characteristics comparing results of diesel motor

Wherein, the blank diesel oil empirical curve of 1-among the figure, 2-additive diesel oil empirical curve.

Conclusion:

Can find out that from the external characteristics result of the test add this additive when maximum speed, power output is carried High 2KW, power has raising in various degree during other rotating speed. Smoke evacuation is average to reduce by 20%, from 2000-2400 Turn to the part throttle characteristics of per minute and can find out that each point all has fuel-economizing in various degree, most rates of economizing gasoline exist Between the 1.5-2.1%.

Through user's usability condition, the statistics rate of economizing gasoline is all at 5-15%.

Compared with the prior art technology of the present invention has following advantage and effect:

A) oil-saving effect is obvious, but fuel-economizing 5-15%

B) cost is low, consumption is few, easy to use, and can directly add and not need automobile is carried out any changing Dress;

C) preparation method is simple;

D) chemical stability is good, and no flocculent deposit does not have colloid;

E) can reduce smog emission, rate of descent reaches 20-30%, thereby reduces pernicious gas to ring Environment pollution;

F) cleaning action is arranged, make engine keep good state, reduce maintenance frequency, prolongation is started Machine service life.

Embodiment 1:

At first ferrocene 4kg is dissolved in the 36kg dimethylbenzene, get 1/3 the adding simultaneously in the reactor and to stir 30 minutes of material of 19kg manganese naphthenate and ferrocene and xylene soluble again, adding 18.5kg calcium naphthenate 19kg detergent-dispersant additive again continues to stir, get again 2.6-ditertbutylparacresol 4kg be dissolved in aforementioned ferrocene and xylene soluble material 1/3 in dissolving finish and add again in the reactor, adding residue ferrocene and xylene soluble material simultaneously continues to stir 30 minutes, cross the 0.12mm brass wire cloth, sieve is product down.

Embodiment 2:

At first getting ferrocenyl methyl ketone 10kg is dissolved in the 120kg toluene; get iron naphthenate 8kg again; add simultaneously in the reactor with 1/3 of ferrocenyl methyl ketone and toluene dissolved material and to stir 40 minutes; add magnesium naphthenate 30kg again; detergent dispersant 28kg continues to stir; get again 2.6-ditertbutylparacresol 6kg be dissolved in ferrocenyl methyl ketone and toluene dissolved material 1/3 in dissolve and finish; add in the reactor again; adding remaining ferrocenyl methyl ketone and toluene dissolved material simultaneously continues to stir 20 minutes; cross 0.12mm sieve aperture copper sieve, sieve is product down.

Embodiment 3:

At first getting tertiary butyl ferrocene 2kg is dissolved in the 20kg benzene, get 1/3 of magnesium naphthenate 25kg and tertiary butyl ferrocene and benzene dissolved material again, add simultaneously in the reactor and stirred 20 minutes, add calcium naphthenate 10kg again, detergent dispersant 15kg continues to stir, get again 2.6-ditertbutylparacresol 2kg be dissolved in aforesaid tertiary butyl ferrocene and benzene dissolved material 1/3 in dissolve and finish, add in the reactor again, adding remaining tertiary butyl ferrocene benzene material simultaneously continues to stir 40 minutes, cross sieve aperture 0.12mm brass wire cloth, sieve is product down.

Embodiment 4:

With embodiment 3, change tertiary butyl ferrocene into octyl ferrocene and get final product.

Claims (8)

1, a kind of diesel-dope is characterized in that it is to be made by the following weight proportion raw material: ferrocene 2-10 part manganese naphthenate 8-25 part calcium naphthenate 10-30 part 2.6-ditertbutylparacresol 2-6 part detergent-dispersant additive 15-28 part dimethylbenzene 20-120 part

2, additive according to claim 1, the preferred weight proportioning that it is characterized in that raw material are 5 parts of calcium naphthenate 15-25 of ferrocene 2-8 part manganese naphthenate 15-2 part 2.6-ditertbutylparacresol 2-5 part detergent-dispersant additive 15-25 part dimethylbenzene 20-100 parts

3, additive according to claim 1, the optimum weight proportioning that it is characterized in that raw material are 36 parts of 19.5 parts of dimethylbenzene of 3 parts of detergent-dispersant additives of 18.5 parts of 2.6-ditertbutylparacresols of 19 parts of calcium naphthenates of 4 parts of manganese naphthenates of ferrocene

4, according to claim 1,2 or 3 described additives, it is characterized in that ferrocene can be in order to the ferrocenyl methyl ketone in the ferrocene deriv, tertiary butyl ferrocene, octyl ferrocene wherein any one.

5,, it is characterized in that calcium naphthenate or manganese naphthenate wherein any one also available iron naphthenate or magnesium naphthenate according to claim 1,2 or 3 described additives.

6, according to claim 1,2 or 3 described additives, it is characterized in that the also available toluene of dimethylbenzene, benzene, dimethylbenzene wherein any one.

7, additive according to claim 1 is characterized in that the additive add-on is diesel oil weight 0.5-5 ‰.

8,, it is characterized in that it is undertaken by following step successively as the preparation method of claim 1,2 or 3 described additives:

A) at first the derivative of 2-10 part ferrocene or ferrocene is dissolved in 20-120 part dimethylbenzene or toluene or the benzene;

B) again with 8-25 part manganese naphthenate or iron naphthenate, any one raw material of magnesium naphthenate with (a) 1/3 mixing of materials and add reactor and stirred 20-40 minute, add 10-30 part calcium naphthenate or iron naphthenate, magnesium naphthenate any one and 15-28 part detergent-dispersant additive again and continue to stir;

C) the 2.6-ditertbutylparacresol of getting 2-6 part is dissolved in (a) 1/3 material and stirs to make it to dissolve fully and add in (b) reactor material again, simultaneously will (a) 1/3 remaining material adds in reactor stirring 20-30 minute;

D) at last (d) reaction mass is crossed brass wire cloth, sieve aperture is 0.12mm, is product under the sieve.

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