CN1730622A - Smoke abatement anti-freeze agent for diesel fuel - Google Patents
Smoke abatement anti-freeze agent for diesel fuel Download PDFInfo
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- CN1730622A CN1730622A CN 200510012758 CN200510012758A CN1730622A CN 1730622 A CN1730622 A CN 1730622A CN 200510012758 CN200510012758 CN 200510012758 CN 200510012758 A CN200510012758 A CN 200510012758A CN 1730622 A CN1730622 A CN 1730622A
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- Prior art keywords
- smoke abatement
- diesel fuel
- freeze agent
- vinyl acetate
- diesel
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Abstract
The invention provides an environment-friendly type diesel smoke abatement and anti-freeze agent for purifying emission of diesel automobiles, which is prepared from cleaning and dispersing agent, anti-oxidant, alkyl nitrite or isopropyl nitrate or ethylene/vinyl acetate and high grade plane kerosene through high-shearing mixing and emulsion process. The invention can realize good intensified smoke abatement property and fluidity for diesel under low-temperature.
Description
Technical field
The invention belongs to smoke abatement anti-freeze agent for diesel fuel.
Background technology
Diesel oil is cheap owing to its Financial cost, dynamic property is strong, and is widely used in the motor spirit of cargo truck, motorbus, tractor, locomotive, boats and ships and various agricultural, building, mine, military mechanized equipment.But because of the mass property own and the high pressure spraying combustion system of diesel oil, the discharging over-emitting black exhaust phenomenon of diesel engine is very serious, how to solve seriously polluted this problem of diesel emission and also becomes worldwide heat subject.Diesel oil forms eutectic crystallization obstruction oil circuit under the low temperature in the winter time easily because of its paraffin molecule of mass property again, has perplexed vast diesel oil human consumer all the time since the own diesel oil of this phenomenon.The way of common solution is to adopt the roasting car measure of dangerous naked light to alleviate because the oil circuit that wax crystal causes freezes, do so both dangerous, ineffective again, for dilly, in case freeze, then without any effective solution.
The existing problem of the diesel pour inhibitor of present homemade approximation function is still that kind is few, function singleness, addition are big, and product major part supply refinery is used as the pour point depression additive, the human consumer can not directly use, diesel oil frostproofer product with smoke elimination function is blank especially, smoke abatement anti-freeze agent for diesel fuel of the present invention has not only been filled up this blank, and poor ignition quality fuel or nonstandard diesel oil is improved in addition the effect of label.
Goal of the invention
The object of the invention has been to provide a kind of can have the good reinforcement smoke elimination and the smoke abatement anti-freeze agent of low-temperature fluidity at low temperatures, realizes the cleaning of off-gas discharging, prevents the purpose that diesel oil freezes under the low temperature.The present invention has overcome the existing in prior technology defective.
Summary of the invention
For realizing the object of the invention, the present invention is formulated by following components by weight portion:
Detergent dispersant 5～20
Oxidation inhibitor 2～8
Alkyl nitrate ester selected or isopropyl nitrate 10～30
Ethylene-vinyl acetate 10～30
Aviation kerosene 20～40.
Each component preferred weight portion rate of the present invention is:
Detergent dispersant 10～15
Oxidation inhibitor 4～6
Alkyl nitrate ester selected or isopropyl nitrate 15～20
Ethylene-vinyl acetate 15～20
Aviation kerosene 25～30.
Each component optimum weight portion rate of the present invention is:
Detergent dispersant 15
Oxidation inhibitor 6
Alkyl nitrate ester selected or isopropyl nitrate 18
Ethylene-vinyl acetate 20
Aviation kerosene 28.
Above-mentioned detergent dispersant is the detergent dispersant that contains metal organic sulfonate.
Above-mentioned oxidation inhibitor is the recombiner of oxidation inhibitor T501 and metal passivator T551, and it is the compound formulation that is mixed and forms under normal temperature condition in 1: 1 ratio.The adoptable oxidation inhibitor of the present invention also has commercially available T502 etc.
Above-mentioned alkyl nitrate ester selected or isopropyl nitrate are to have the cetane number improver of promoting function.
Above-mentioned ethylene-vinyl acetate is the compound of plastic of poly vinyl acetate.
It is good that above-mentioned aviation kerosene has incendivity, the calorific value height, and density is suitable, and carbon deposit is few, and low-temperature fluidity is good, and heat is stable and anti-oxidative stability is good, and characteristics such as cleanliness factor height can be done good Oil solvent.
Mechanism of the present invention is:
Be that the diesel oil that injection pump will contain this agent becomes aerosolization by nozzle ejection, act on not burned heavy silt and the carbon component in the particulate matter, its rapid oxidation is disperseed, again under the highly compressed effect, its component alkyl nitrate ester selected or isopropyl nitrate make the further catalysis of the dispersed carbon component of oxidation, cracking keep continuing the overheavy firing situation, improve combustion thermal efficiency.
Peace and quiet mechanism is that the metal organic sulfonate in its component detergent dispersant has very strong detergency, impregnability and dissolution dispersity, when it acts on diesel oil, heavy silt and impurity are fully dissolved rapidly to be dispersed in the diesel oil, under the highly compressed effect, ensured the cleaning of oil supply system and firing system parts with aforementioned component.
The antioxygen compound formulation of oxidation inhibitor of the present invention for adopting oxidation inhibitor T501 and metal passivator T551 to be mixed and to form has good copper corrosion inhibition and antioxygen, and has the effect that stops oil oxidation, thereby can prolong the work-ing life of oil product.
Ethylene-vinyl acetate of the present invention is the compound of plastic of poly vinyl acetate, be adsorbed on the wax molecular surface, prevent that wax from further forming eutectic, and can continue to keep the nominal particle size of paraffin crystal, thereby make diesel oil have good reinforcement smoke elimination and low-temperature fluidity at low temperatures with aforementioned component.
Aviation kerosene also has characteristics such as incendivity is good, calorific value is high, density is suitable, carbon deposit is few, low-temperature fluidity is good, heat is stable and anti-oxidative stability is good, cleanliness factor height as solvent oil, can do good Oil solvent.
Preparation technology of the present invention is:
Aviation kerosene, ethylene-vinyl acetate, alkyl nitrate ester selected or isopropyl nitrate, oxidation inhibitor, the detergent dispersant of metering are pumped into the high shearing mixing emulsor reactor successively, synthesis under normal pressure is 60 minutes in 10～45 ℃ of scopes, will filter then and carry out finished product packing after the orange-brown oil product of liquid phase behind the waste pumps into the finished product jar.
The principle of work of above-mentioned high shearing mixing emulsor is to utilize rotor cutter and stator cutter precision-fit, in the ultrashort time liquid active constituent is sheared and refine to nano level, again with its stirring, makes that it is fully emulsified, homogenizing, suspension, fused.
The technical progress that the present invention obtains:
1. because the present invention adopts the detergent dispersant that contains the metal organic sulfonate composition, this component can have very strong detergency, impregnability and dissolution dispersity to heavy silt impurity and the carbon deposit that the oil circuit of diesel motor, high-pressure pump, oil nozzle etc. are located, thereby original heavy silt impurity and carbon deposit are fully dissolved be dispersed in the diesel oil, and make it fully burning and obtain removing.
2. be that the diesel oil that injection pump will contain this agent becomes aerosolization by nozzle ejection, act on not burned heavy silt and the carbon component in the particulate matter, its rapid oxidation is disperseed, again under the highly compressed effect, its component alkyl nitrate ester selected or isopropyl nitrate make the further catalysis of the dispersed carbon component of oxidation, cracking keep continuing the overheavy firing situation, improve combustion thermal efficiency, both removed the heavy silt and the carbon deposit of firing system, reduced black diesel smoke and granular material discharged again.
3. alkyl nitrate ester selected or isopropyl nitrate component are to contain the cetane number improver of promoting function among the present invention, and its value-added functionality has the function that improves fuel value to poor ignition quality fuel or nonstandard diesel oil, promptly improves the effect of label.
4. the ethylene-vinyl acetate among the present invention is the compound of plastic of poly vinyl acetate, be adsorbed on the wax molecular surface, prevent that wax from further forming eutectic, and can continue to keep the nominal particle size of paraffin crystal, thereby make diesel oil have good reinforcement smoke elimination and low-temperature fluidity at low temperatures with aforementioned component, can make depression of the freezing point 10～20 ℃ of diesel oil.
5. raw material of the present invention is easy to get, form simple, technology advanced person, energy-conserving and environment-protective, use the present invention to reduce black diesel smoke and granular material discharged, realize that the cleaning of off-gas discharging has unusual effect, it is applied has remarkable economic efficiency and social benefit.
Product detected result of the present invention is:
No. the 50060571st, Ji inspection (change) word (2005)
The Interventions Requested measured result
Flash-point (remaining silent), ℃ 45
Condensation point, ℃-30
Copper corrosion (50 ℃, 3h), level 1a
Mechanical impurity does not have
The orange-yellow liquid of outward appearance
Embodiment
Below in conjunction with specific embodiment the present invention is further described:
Embodiment 1: at first with 28Kg aviation kerosene, 20Kg ethylene-vinyl acetate, 18Kg alkyl nitrate ester selected or isopropyl nitrate, 6Kg oxidation inhibitor, 15Kg detergent dispersant, pump into the high shearing mixing emulsor reactor successively, synthesis under normal pressure is 60 minutes in 10～45 ℃ of scopes, and the present invention that will filter then behind the waste carries out finished product packing after the orange-brown oil product of liquid phase pumps into the finished product jar.
Other embodiment difference from Example 1 sees the following form:
Unit: (Kg)
| Embodiment 24 | 20 | 8 | 10 | 30 | 20 |
| Embodiment 25 | 12 | 6 | 20 | 30 | 30 |
| Embodiment 26 | 16 | 5 | 15 | 25 | 40 |
| Embodiment 27 | 15 | 2 | 15 | 10 | 25 |
| Embodiment 28 | 10 | 8 | 10 | 25 | 20 |
| Embodiment 29 | 20 | 2 | 30 | 10 | 40 |
| Embodiment 30 | 10 | 2 | 25 | 25 | 25 |
Smoke abatement anti-freeze agent for diesel fuel finished product of the present invention is orange-brown liquid oil, because it is dispersed that it has in good oil soluble and the oil, thereby applicable to the diesel oil of any model, volume or weight per-cent by 1～2 ‰ during use joins in the diesel oil fuel oil, can use after the stirring (pouring) evenly.But smoke abatement anti-freeze agent for diesel fuel of the present invention is prolonged preservation under the normal temperature air-proof condition.
Claims (7)
1. smoke abatement anti-freeze agent for diesel fuel is characterized in that it is made by following components by weight portion:
Detergent dispersant 5～20
Oxidation inhibitor 2～8
Alkyl nitrate ester selected or isopropyl nitrate 10～30
Ethylene-vinyl acetate 10～30
Aviation kerosene 20～40.
2. smoke abatement anti-freeze agent for diesel fuel according to claim 1 is characterized in that described each composition weight umber ratio is:
Detergent dispersant 10～15
Oxidation inhibitor 4～6
Alkyl nitrate ester selected or isopropyl nitrate 15～20
Ethylene-vinyl acetate 15～20
Aviation kerosene 25～30.
3. smoke abatement anti-freeze agent for diesel fuel according to claim 2 is characterized in that described each composition weight umber ratio is:
Detergent dispersant 15
Oxidation inhibitor 6
Alkyl nitrate ester selected or isopropyl nitrate 18
Ethylene-vinyl acetate 20
Aviation kerosene 28.
4. according to claim 1,2 or 3 described smoke abatement anti-freeze agent for diesel fuel, it is characterized in that described detergent dispersant is the detergent dispersant that contains metal organic sulfonate.
5. according to claim 1,2 or 3 described smoke abatement anti-freeze agent for diesel fuel, it is characterized in that described oxidation inhibitor is the recombiner of T501 and metal passivator T551.
6. according to claim 1,2 or 3 described smoke abatement anti-freeze agent for diesel fuel, it is characterized in that described alkyl nitrate ester selected or isopropyl nitrate are to contain the cetane number improver of promoting function.
7. according to claim 1,2 or 3 described smoke abatement anti-freeze agent for diesel fuel, it is characterized in that described ethylene-vinyl acetate is the compound of plastic of poly vinyl acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100127588A CN100482771C (en) | 2005-08-22 | 2005-08-22 | Smoke abatement anti-freeze agent for diesel fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100127588A CN100482771C (en) | 2005-08-22 | 2005-08-22 | Smoke abatement anti-freeze agent for diesel fuel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730622A true CN1730622A (en) | 2006-02-08 |
| CN100482771C CN100482771C (en) | 2009-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100127588A Expired - Fee Related CN100482771C (en) | 2005-08-22 | 2005-08-22 | Smoke abatement anti-freeze agent for diesel fuel |
Country Status (1)
| Country | Link |
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| CN (1) | CN100482771C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041110A (en) * | 2009-10-21 | 2011-05-04 | 济南开发区星火科学技术研究院 | Novel diesel compound additive |
| CN102703139A (en) * | 2012-01-12 | 2012-10-03 | 深圳车仆汽车用品发展有限公司 | Diesel anti-condensation agent |
| CN106190343A (en) * | 2015-09-21 | 2016-12-07 | 上海中器环保科技有限公司 | A kind of production method of low cold filter plugging point biodiesel blend fuels |
-
2005
- 2005-08-22 CN CNB2005100127588A patent/CN100482771C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041110A (en) * | 2009-10-21 | 2011-05-04 | 济南开发区星火科学技术研究院 | Novel diesel compound additive |
| CN102041110B (en) * | 2009-10-21 | 2013-11-13 | 济南开发区星火科学技术研究院 | Novel diesel compound additive |
| CN102703139A (en) * | 2012-01-12 | 2012-10-03 | 深圳车仆汽车用品发展有限公司 | Diesel anti-condensation agent |
| CN106190343A (en) * | 2015-09-21 | 2016-12-07 | 上海中器环保科技有限公司 | A kind of production method of low cold filter plugging point biodiesel blend fuels |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482771C (en) | 2009-04-29 |
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Granted publication date: 20090429 Termination date: 20130822 |