CN106190366B - A kind of low-sulfur low freezing point diesel fuel lubricity improver - Google Patents
A kind of low-sulfur low freezing point diesel fuel lubricity improver Download PDFInfo
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- CN106190366B CN106190366B CN201610858922.5A CN201610858922A CN106190366B CN 106190366 B CN106190366 B CN 106190366B CN 201610858922 A CN201610858922 A CN 201610858922A CN 106190366 B CN106190366 B CN 106190366B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/1802—Organic compounds containing oxygen natural products, e.g. waxes, extracts, fatty oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/188—Carboxylic acids; metal salts thereof
- C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
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Abstract
It can be used for producing the new low-sulfur low freezing point diesel fuel lubricity improver that high power cleans diesel oil the present invention relates to a kind of, it is made up of long-chain unsaturated fatty acid, polyisobutylene butanedioic anhydride and dispersant, its preparation method is to add each component thing in mixture kettle, it is warming up to 35~50 DEG C, it is sufficiently stirred for 15~30min, filtered with 70 mesh filter screens, produce product.It is heavy metal free in diesel fuel lubricity modifier of the present invention, nontoxic, addition is few, easy to use, good with diesel oil intermiscibility with good low-temperature stability, Lubricity of Low-Sulfur Diesel Fuels can be significantly improved, Diesel engine nozzle wear is effectively reduced and reduces carbon distribution.
Description
Technical field
The invention belongs to the preparing technical field of chemical products, it is related to a kind of diesel fuel additives, specifically one kind can
The new low-sulfur low freezing point diesel fuel lubricity improver of diesel oil is cleaned for producing high power.
Background technology
As country and all orders of society are to the pay attention to day by day of environmental issue, produce the oil product of high-quality has turned into modern refining
Oily industrial expansion direction.In terms of diesel production, the lifting of oil product standard is mainly manifested in the reduction of sulfur content.In order to up to
To the requirement of diesel oil low-sulfur, diesel exhaust gas quality is improved, domestic and international petroleum refinery generally adds using hydrodesulfurization etc. is deep now
Work purification techniques, makes diesel oil develop towards low-sulfur direction.But while sulphur and aromatic hydrocarbons are largely removed in diesel component, rise
The emollient component of wear-resistant effect can be also removed, and decline diesel fuel lubricity, this will cause diesel motor fuel jet pump again
Worn and torn with the excessive wear of cylinder, substantial amounts of research conclusion thinks that oxide etch abrasion, adhesion wear, scratch abrasion are main
Abrasive manner.
Diesel fuel lubricity modifier is added in low-sulfur diesel-oil, to improve the lubricity of diesel oil, this is current external extensive
Using and most effective method, it can under conditions of diesel oil other performance is not influenceed, improve diesel oil greasy property.Mesh
Preceding known diesel fuel lubricity modifier is mainly acid type diesel fuel lubricity modifier, and this modifier contains very highly polar carboxyl
With long linear carbon chain.Carboxyl is conducive to additive to be attached to metal surface and forms high-resistance diaphragm, point of linear carbon chain
Sub- shape advantageously forms the adsorbed film of densification, efficiently reduces the friction and wear between metal.But, known acid type bavin
Oil lubrication modifier still also there are the shortcoming of itself, i.e. carboxylic acids additive easily to be occurred with the dispersant of high base number in diesel oil etc.
Acid-base neutralization reaction, the metal salt for generating corresponding carboxylic acid type is easy to deposit, and causes fuel nozzle carbon distribution, influence burning
Efficiency, pollutes environment.In addition, existing acid type diesel fuel lubricity modifier, expensive based on external import product, simultaneously
Because acid number height is likely to result in fuel nozzle carbon distribution, efficiency of combustion is influenceed, diesel quality is influenceed, and then it is stable to reduce diesel oil oxidation
Property.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of new low-sulfur low freezing point diesel fuel lubrication modifier, profit
With its poor, engine fuel nozzle carbon distribution of diesel stability caused by can effectively changing existing acid type diesel fuel lubricity modifier etc.
Negative factor, and then it is obviously improved the lubricity of low-sulfur diesel-oil.
The technical solution used for achieving the above object is such：The low condensation point of new low-sulfur provided
Diesel fuel lubricity modifier is the preparation prepared by long-chain unsaturated fatty acid, polyisobutylene butanedioic anhydride and dispersant, three kinds
The mass percent of component thing is：
Long-chain unsaturated fatty acid 85%~95%,
Polyisobutylene butanedioic anhydride 3%~10%,
Dispersant 2%~5%；
The preparation process of the diesel fuel lubricity modifier is：Each component thing is added in mixture kettle, 35 DEG C~50 are warming up to
DEG C, 15~30min is sufficiently stirred for, is filtered with 70 mesh filter screens, produces product.
In above-mentioned diesel fuel lubricity modifier, long-chain unsaturated fatty acid is the long-chain unsaturated lipid based on C16~C18
Fat acid.It is further preferred that described long-chain unsaturated fatty acid is made up of the raw material of substance mixing of following mass percents：
Linoleic acid 55%, soybean oleic acid 32%,
Leukotrienes 13%.
In above-mentioned diesel fuel lubricity modifier, polyisobutylene butanedioic anhydride be T2007A, T2007A-1, T2007B,
One or more in T2007B-A, T2007B-2.
In above-mentioned diesel fuel lubricity modifier, dispersant is the sorbitan fatty acid list that sulfur content is less than 100ppm
Ester.It is further preferred that described sorbitan fatty acid monoester is glyceride or has acid esters.
Carbochain of the host long-chain unsaturated fatty acid of the present invention containing polarized very strong carboxyl and length, can be in metal watch
Face forms the adsorbed film of densification, can effectively reduce friction and wear；Polyisobutylene butanedioic anhydride can be accumulated effectively dispersing nozzle
Carbon and diesel oil gum deposit；At environment temperature relatively low (less than 0 DEG C), sorbitan fatty acid monoester can make polyisobutene
Succinic anhydride faster dispersing and dissolving in diesel oil.
In specific implementation, low-sulfur low freezing point diesel fuel lubricity improver addition in low-sulfur diesel-oil that the present invention is provided is
50~300ppm.In addition, the present invention can also be with other diesel fuel additives such as diesel pour inhibitor, Cetane number in specifically used
Modifier etc. is used simultaneously.
Heavy metal free in low-sulfur low freezing point diesel fuel lubricity improver of the present invention, nontoxic, addition is few, user
Just, its condensation point is less than -12 DEG C, and cloud point is good with diesel oil intermiscibility with good low-temperature stability less than -8 DEG C, can be notable
Improve Lubricity of Low-Sulfur Diesel Fuels, effectively reduce Diesel engine nozzle wear and reduce carbon distribution.
Embodiment
The present invention is further described by the following examples, but illustrated embodiment technology contents be it is illustrative,
Rather than it is limited, protection scope of the present invention should not be limited to according to this.
Embodiment 1
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 85% long-chain unsaturated lipid
Fat acid, 10% polyisobutylene butanedioic anhydride and 5% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007A, and sorbitan fatty acid monoester is glyceride.
The preparation method of the low-sulfur low freezing point diesel fuel lubricity improver is：First by linoleic acid, soybean oleic acid, leukotrienes
Mix in proportion, long-chain unsaturated fatty acid is made；Then long-chain unsaturated fatty acid, T2007A and glyceride are added in proportion
Enter in mixture kettle, be warming up to 40 DEG C, be sufficiently stirred for after 20min, filtered with the stainless steel filtering net of 70 mesh, obtain finished product.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 1 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 1.
Table 1
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Embodiment 2
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 90% long-chain unsaturated lipid
Fat acid, 5% polyisobutylene butanedioic anhydride and 5% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007A, and sorbitan fatty acid monoester is glyceride.
The preparation method be the same as Example 1 of the low-sulfur low freezing point diesel fuel lubricity improver.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 2 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 2.
Table 2
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Embodiment 3
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 93% long-chain unsaturated lipid
Fat acid, 5% polyisobutylene butanedioic anhydride and 2% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007A, and sorbitan fatty acid monoester is glyceride.
The preparation method be the same as Example 1 of the low-sulfur low freezing point diesel fuel lubricity improver.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 3 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 3.
Table 3
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Embodiment 4
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 93% long-chain unsaturated lipid
Fat acid, 5% polyisobutylene butanedioic anhydride and 2% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007B, and sorbitan fatty acid monoester is glyceride.
The preparation method be the same as Example 1 of the low-sulfur low freezing point diesel fuel lubricity improver.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 4 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 4.
Table 4
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Embodiment 5
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 93% long-chain unsaturated lipid
Fat acid, 5% polyisobutylene butanedioic anhydride and 2% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007A, and sorbitan fatty acid monoester is oleate.
The preparation method be the same as Example 1 of the low-sulfur low freezing point diesel fuel lubricity improver.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 5 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 5.
Table 5
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Embodiment 6
A kind of new low-sulfur low freezing point diesel fuel lubricity improver, by weight/mass percentage composition by 93% long-chain unsaturated lipid
Fat acid, 5% polyisobutylene butanedioic anhydride and 2% sorbitan fatty acid monoester (dispersant) composition.Long-chain therein
Unrighted acid is made up of 55% linoleic acid, 32% soybean oleic acid and 13% leukotrienes again by weight/mass percentage composition,
Polyisobutylene butanedioic anhydride is made up of T2007B, and sorbitan fatty acid monoester is oleate.
The preparation method be the same as Example 1 of the low-sulfur low freezing point diesel fuel lubricity improver.
Contrast test
The diesel oil of three kinds of different greasy properties is added into the diesel fuel lubricity that the embodiment of the present invention 6 of various dose is provided respectively
Property modifier, test grinding defect diameter and oxidation stability of diesel oil total insoluble substance, concrete outcome see the table below 6.
Table 6
As can be seen here, after diesel fuel lubricity modifier of the present invention is added, the greasy property of blank diesel oil is obviously improved, simultaneously
The total insoluble substance for representing oxidation stability of diesel oil is also being reduced.
Claims (3)
1. a kind of low-sulfur low freezing point diesel fuel lubricity improver, it is characterised in that the diesel fuel lubricity modifier is by long-chain insatiable hunger
With the preparation of aliphatic acid, polyisobutylene butanedioic anhydride and dispersant preparation, the mass percent of three kinds of component things is：
Long-chain unsaturated fatty acid 85%~95%,
Polyisobutylene butanedioic anhydride 3%~10%,
Dispersant 2%~5%；
Wherein, described long-chain unsaturated fatty acid is the long-chain unsaturated fatty acid based on C16~C18, specifically by following
The raw material of substance mixing composition of mass percent：
Linoleic acid 55%, soybean oleic acid 32%,
Leukotrienes 13%；
Described polyisobutylene butanedioic anhydride is one kind in T2007A, T2007A-1, T2007B, T2007B-A, T2007B-2
Or it is a variety of；
Described dispersant is the sorbitan fatty acid monoester that sulfur content is less than 100ppm；
The preparation process of the diesel fuel lubricity modifier is：Each component thing is added in mixture kettle, 35 DEG C~50 DEG C is warming up to, fills
Divide stirring 15~30min, filtered with 70 mesh filter screens, produce product.
2. low-sulfur low freezing point diesel fuel lubricity improver according to claim 1, it is characterised in that described Sorbitan
Polyol fatty acid monoesters is glyceride or oleate.
3. the low-sulfur diesel-oil prepared using low-sulfur low freezing point diesel fuel lubricity improver described in claim 1, it is characterized in that low-sulfur
The addition of the diesel fuel lubricity modifier of this in diesel oil is 50ppm~300ppm.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108624365A (en) * | 2017-03-21 | 2018-10-09 | 宁波帝友新材料科技有限公司 | A kind of clean fuel |
| CN108624366A (en) * | 2017-03-21 | 2018-10-09 | 宁波帝友新材料科技有限公司 | A kind of fuel additive and its application |
| CN109207213B (en) * | 2018-11-14 | 2021-01-05 | 山东大学 | Low-freezing-point diesel oil lubrication improver and application thereof |
| CN109576015A (en) * | 2018-12-26 | 2019-04-05 | 陕西省石油化工研究设计院 | A kind of low freezing point diesel fuel lubricity improver |
| CN111793512A (en) * | 2020-07-30 | 2020-10-20 | 咸阳东庆石油化工有限公司 | Diesel oil antiwear antistatic complexing agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103450955A (en) * | 2013-07-30 | 2013-12-18 | 英杰惠能（北京）能源新技术有限公司 | Low-sulfur diesel oil additive composition, and preparation method and application of same |
| CN105462636A (en) * | 2015-12-28 | 2016-04-06 | 福州东冶能源科技有限公司 | Low-sulfur diesel additive and preparation technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450955A (en) * | 2013-07-30 | 2013-12-18 | 英杰惠能（北京）能源新技术有限公司 | Low-sulfur diesel oil additive composition, and preparation method and application of same |
| CN105462636A (en) * | 2015-12-28 | 2016-04-06 | 福州东冶能源科技有限公司 | Low-sulfur diesel additive and preparation technology thereof |
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