CN114634837A - Track friction reducing agent, preparation method and application thereof - Google Patents
Track friction reducing agent, preparation method and application thereof Download PDFInfo
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- CN114634837A CN114634837A CN202210441299.9A CN202210441299A CN114634837A CN 114634837 A CN114634837 A CN 114634837A CN 202210441299 A CN202210441299 A CN 202210441299A CN 114634837 A CN114634837 A CN 114634837A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/06—Mixtures of thickeners and additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
- C10M2207/1265—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic used as thickening agent
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/142—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic
- C10M2207/1426—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic used as thickening agent
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/402—Castor oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The application provides a track friction reducer, a preparation method and application thereof, belonging to the technical field of track friction reducers, wherein the friction reducer comprises the following components in percentage by mass: 55-64% of composite titanium-based lubricating grease; 5-10% of fatty acid ester; 20-25% of vegetable oil; 1.5-2% of cerium oxide; 3-5% of molybdenum disulfide; 0.1-0.3% of copper borate; 3-5% of phosphonate. The product has higher degradability, does not pollute the environment, has good environment friendliness, is tried by a user, has excellent bearing load performance in the running of the rail train, can continuously form a continuous lubricating oil film on the side surface of the rail under a high-load condition, keeps a good lubricating effect, reduces the friction force between the rail and the rail wheel, is tried by the user, and can replace foreign products to meet the requirement of the running of domestic trains.
Description
Technical Field
The invention relates to the technical field of track antifriction agents, and particularly relates to a track antifriction agent, and a preparation method and application thereof.
Background
In the field of modern high-speed railways and rail transportation, the friction and lubrication of wheel and rail are related to train traction energy consumption, driving safety, wheel and rail material consumption, maintenance cost and the like, so that the friction and lubrication of wheel and rail are highly regarded by railway departments of various countries. With the further increase of the running speed of the train, the problem of wheel rail lubrication becomes more and more prominent. Reasonable and effective wheel rail lubrication can reduce wheel rail abrasion, has important significance for saving energy and improving train traction efficiency, and can improve train operation safety.
The currently used rail friction reducing agent mostly adopts foreign brands, but the foreign rail friction reducing agent has the following problems: the lubricating protection performance to the working state of the train is poor in use, and especially the lubricating protection to the side face of the track is poor; the environmental protection is poor, the import and export trade is seriously influenced due to epidemic situation and the countermeasure of the western national consciousness form, the price of the friction reducer is high, and the arrival period is long and seriously restricted.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide a rail friction reducing agent and a preparation method thereof, which have excellent lubrication protection performance for a wheel rail in a train working state, can continuously form a continuous protective lubricating oil film on the side surface of the rail, can replace foreign brands, and meet the train operation requirements.
In a first aspect, the present application provides a track friction reducer, comprising the following components by mass percent:
55-64% of composite titanium-based lubricating grease;
5-10% of fatty acid ester;
20-25% of vegetable oil;
1.5-2% of cerium oxide;
3-5% of molybdenum disulfide;
0.1-0.3% of copper borate;
3-5% of phosphonate.
Specifically, the sum of the mass percentages of the components in the friction reducer is 100%, and the balance is inevitable impurities.
The mass percentage of the composite titanium-based lubricating grease in the friction reducer is 55-64%, such as 55%, 56.5%, 58%, 60%, 62%, 64% and the like, and preferably 55%, 60%, 64%.
The mass percentage of the fatty acid ester in the friction reducer is 5-10%, preferably 5%, 8% and 7%.
The weight percentage of the vegetable oil in the friction reducer is 20-25%, preferably 25%, 22% and 20%.
The composite titanium-based lubricating grease is prepared from composite titanium soap thickened mineral base oil or synthetic base oil generated from terephthalic acid, stearic acid and an organic titanium compound, has the characteristics of high dropping point, multiple functions and environmental protection, and can still keep a good lubricating effect in severe environments such as high-speed friction and the like.
The fatty acid ester has higher thermal stability, can keep better lubricating effect under high temperature and high load, can reduce the oil separating property of the friction reducer by matching with the composite titanium-based lubricating grease, ensures that the friction reducer can keep good lubricating effect for a longer time, has good degradability and can not cause pollution to the environment after being used.
The cerium oxide is mainly used for polishing, and is mixed between the rail and the rail wheel, and the smoothness of the surfaces of the rail and the rail wheel can be kept through high-speed friction, so that the friction force is reduced.
The molybdenum disulfide has dispersibility and non-caking property, forms a non-caking colloid state after being mixed with the composite titanium-based lubricating grease, the fatty acid ester, the vegetable oil and the like, can improve the lubricating property and extreme pressure property of the friction reducer, and can still maintain a lubricating oil film between the track and the rail wheel under the condition of high-load and high-speed operation, thereby reducing the friction force between the track and the rail wheel and prolonging the service life of the track.
The copper borate and the phosphonate are mainly used for improving the lubricating capability of the friction reducer in a high-load and high-speed running state, so that the friction reducer can still keep a good lubricating effect under the high-load running condition.
According to the technical scheme of the embodiment of the application, the paint comprises the following components in percentage by mass:
60% of composite titanium-based lubricating grease;
7% of fatty acid ester;
22% of vegetable oil;
1.7% of cerium oxide;
4.4% of molybdenum disulfide;
0.3% of copper borate;
phosphonate 4.6%.
According to the technical scheme of the embodiment of the application, the paint comprises the following components in percentage by mass:
64% of composite titanium-based lubricating grease;
5% of fatty acid ester;
20% of vegetable oil;
1.6% of cerium oxide;
4.3 percent of molybdenum disulfide;
0.1% of copper borate;
5% of phosphonate.
According to the technical scheme of the embodiment of the application, the complex titanium-based grease is mainly prepared from phthalic acid, stearic acid and an organic titanium compound.
According to the general technical scheme of the embodiment of the application, the fatty acid ester is any one or a mixture of two of dibasic acid ester and neopentyl polyol ester.
According to the technical scheme of the embodiment of the application, the vegetable oil is one or a mixture of two or more of soybean oil, rapeseed oil, coconut oil, palm oil, linseed oil and castor oil.
According to the technical scheme of the embodiment of the application, the granularity of the cerium oxide is micron; the granularity of the copper borate is nano-scale.
In a second aspect, the present application also provides a method for preparing a track friction reducer, comprising the steps of:
step 1: adding the composite titanium-based lubricating grease into a reaction kettle;
step 2: adding vegetable oil into the reaction kettle in the step 1 and mixing with the composite titanium-based lubricating grease;
and step 3: sequentially adding fatty acid ester, cerium oxide, molybdenum disulfide, copper borate and phosphonate into the reaction kettle in the step 2, and stirring to obtain a premix;
and 4, step 4: and (3) grinding the premix, and stopping grinding when more than 90% of particles in the premix have a particle size of less than 250 micrometers to obtain the friction reducer.
According to the technical scheme adopted by the embodiment of the application, the stirring temperature in the reaction kettle is constant, and the stirring temperature range is 65-70 ℃; the milling temperature was 25 ℃.
In a third aspect, the present application also provides the use of a track friction reducer as described above for lubrication between a train track and a rail wheel.
In conclusion, the application discloses a track friction reducer and a preparation method thereof, and the track friction reducer has the beneficial effects that based on the scheme, the composite titanium-based lubricating grease is used as a base, the composite titanium-based lubricating grease is matched with fatty acid ester and vegetable oil, so that the friction reducer has high-low point and multifunctional lubricating effect, has excellent lubricating protection performance on a track and a track wheel in a train working state, reduces running friction resistance, improves traction efficiency, reduces train energy consumption, improves the lubricating function of the friction reducer, improves performances such as extreme pressure and the like of the friction reducer by adding cerium oxide, molybdenum disulfide, copper borate and phosphonate, can continuously form a continuous lubricating oil film on the side surface of the track under a high load condition, keeps good lubricating effect, and reduces the friction force between the track and the track wheel. The required raw materials of this application are conventional commercial product, and the degradability is higher and can not the polluted environment, has good environmental friendliness, uses through the user, can replace foreign brand, satisfies domestic train operation needs, and has higher price/performance ratio.
Detailed Description
The present application will be described in further detail with reference to examples. It is to be understood that the specific embodiments described herein are merely illustrative of the present application and not restrictive thereof, and that the embodiments and features of the embodiments may be combined with each other in the present application without conflict. Unless defined otherwise, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The present application will be described in detail with reference to examples.
Example 1
The rail friction reducing agent comprises the following components in percentage by mass:
55% of composite titanium-based lubricating grease;
8% of fatty acid ester;
25% of vegetable oil;
2% of cerium oxide;
5% of molybdenum disulfide;
0.2% of copper borate;
phosphonate 4.8%.
The compound titanium-based lubricating grease is mainly prepared from phthalic acid, stearic acid and an organic titanium compound; the fatty acid ester is unsaturated fatty acid ester; the vegetable oil is soybean oil; the fatty acid ester is dibasic acid ester; the granularity of the copper borate is nano-scale.
Further, the vegetable oil can be one or a mixture of two or more of rapeseed oil, coconut oil, palm oil, linseed oil and castor oil.
Further, the fatty acid ester can also be neopentyl polyol ester or mixed ester of dibasic acid ester and neopentyl polyol ester.
The preparation method of the track friction reducer comprises the following steps:
step 1: adding the composite titanium-based lubricating grease into a reaction kettle with the constant temperature of 65 ℃, and stirring for 20-30 min;
and 2, step: adding vegetable oil into the constant-temperature reaction kettle in the step 1, mixing with the composite titanium-based lubricating grease, and stirring at constant temperature for 30-60 min;
and step 3: sequentially adding fatty acid ester, cerium oxide, molybdenum disulfide, copper borate and phosphonate into the constant-temperature reaction kettle in the step 2, and stirring at a constant temperature for 30-60 min to obtain a premix;
and 4, step 4: and (3) grinding the premix, and stopping grinding when the particle size of more than 90% of particles in the premix is less than 250 mu m to obtain the friction reducer, wherein the grinding temperature is 25 ℃.
Example 2
The track friction reducing agent is the same as the track friction reducing agent in the embodiment 1, and is not repeated, except that the track friction reducing agent comprises the following components in percentage by mass:
60% of composite titanium-based lubricating grease;
7% of fatty acid ester;
22% of vegetable oil;
1.7 percent of cerium oxide;
4.4% of molybdenum disulfide;
0.3% of copper borate;
phosphonate 4.6%.
The steps for making the track friction reducer are the same as those of example 1 and are not described in detail, except,
step 1: adding the composite titanium-based lubricating grease into a reaction kettle with the constant temperature of 70 ℃;
and 4, step 4: the milling temperature was 20 ℃.
Example 3
The same points as those in embodiment 1 will not be described in detail, except that,
the composite material comprises the following components in percentage by mass:
64% of composite titanium-based lubricating grease;
5% of fatty acid ester;
20% of vegetable oil;
1.6% of cerium oxide;
4.3 percent of molybdenum disulfide;
0.1% of copper borate;
5% of phosphonate.
The friction reducers prepared in example 1, example 2 and example 3 were sent to SGS (swiss general notary) for performance testing, wherein the friction reducer prepared in example 2 has more excellent performance indexes such as high dropping point and high abrasion resistance and high load bearing capacity, and the specific test results of example 2 are shown in table 1.
The friction reducers of the present application were compared to commercially available friction reducers for foreign brands of track as shown in table 2.
It can be seen from table 2 that the product performance and index of the present application are superior to foreign brands, especially similar viscosity and sintering load, which shows that the friction reducer of the present application can keep a lubricating film between a rail and a rail wheel when bearing high load friction, and keep a better lubricating effect, and the friction reducer of the present application can completely meet the requirements of train operation conditions through the trial of rail side stations of a rail work area operation area of a Beijing railway administration stone house workshop, and can replace foreign brands.
Meanwhile, in table 2, it can be seen that the oil separation performance of the friction reducer of the present application is much lower than that of foreign brands, which indicates that the friction reducer of the present application can maintain a longer lubricating effect under the same rail train operation conditions.
It can be seen from the above embodiments that the present application provides a track friction reducer and a preparation method thereof, based on a composite titanium-based lubricating grease, and by matching with fatty acid ester and vegetable oil, the friction reducer has a high-low point and multifunctional lubricating effect, has excellent lubricating protection performance on a track and a rail wheel in a train working state, reduces running friction resistance, and improves traction efficiency, thereby reducing train energy consumption, and by adding cerium oxide, molybdenum disulfide, copper borate and phosphonate, the lubricating function of the friction reducer is improved, the extreme pressure performance and other performances of the friction reducer are also improved, a continuous lubricating oil film can be continuously formed on the side surface of the track under a high load condition, a good lubricating effect is maintained, and thereby the friction force between the track and the rail wheel is reduced. The required raw materials of this application are conventional commercial products, and the degradability is higher and can not the polluted environment, has good environmental friendliness, through probating in Beijing railway bureau stone house shop workshop section family railway work district operation area, satisfies domestic train operation needs, can replace foreign brand, and has higher price/performance ratio.
The above examples are given for the purpose of illustrating the present invention clearly and not for the purpose of limiting the same, and it will be apparent to those skilled in the art that many more modifications and variations can be made in the embodiments described above, and it is not intended to be exhaustive or to limit the invention to the precise forms disclosed.
Claims (10)
1. The rail friction reducing agent is characterized by comprising the following components in percentage by mass:
55-64% of composite titanium-based lubricating grease;
5-10% of fatty acid ester;
20-25% of vegetable oil;
1.5-2% of cerium oxide;
3-5% of molybdenum disulfide;
0.1-0.3% of copper borate;
3-5% of phosphonate.
2. The track friction reducing agent according to claim 1, characterized by comprising the following components in percentage by mass:
60% of compound titanium-based lubricating grease;
7% of fatty acid ester;
22% of vegetable oil;
1.7% of cerium oxide;
4.4% of molybdenum disulfide;
0.3% of copper borate;
phosphonate ester 4.6%.
3. The track friction reducing agent according to claim 1, characterized by comprising the following components in percentage by mass:
64 percent of composite titanium-based lubricating grease;
5% of fatty acid ester;
20% of vegetable oil;
1.6% of cerium oxide;
4.3 percent of molybdenum disulfide;
0.1% of copper borate;
5% of phosphonate.
4. A track friction reducer according to claim 3, wherein said complex titanium-based grease is mainly made of phthalic acid, stearic acid and organic titanium compound.
5. A track friction reducer according to claim 4, wherein said fatty acid ester is a mixture of one or both of dibasic acid ester and neopentyl polyol ester.
6. The track friction reducer according to claim 5, wherein the vegetable oil is one or a mixture of any two or more of soybean oil, rapeseed oil, coconut oil, palm oil, linseed oil and castor oil.
7. An orbital friction reducer according to claim 6 in which the cerium oxide particles are micron sized; the granularity of the copper borate is nano-scale.
8. A method for preparing a track friction reducing agent according to any one of claims 1 to 7, comprising the steps of:
step 1: adding the composite titanium-based lubricating grease into a reaction kettle;
step 2: adding vegetable oil into the reaction kettle in the step 1 to be mixed with the composite titanium-based lubricating grease;
and step 3: sequentially adding fatty acid ester, cerium oxide, molybdenum disulfide, copper borate and phosphonate into the reaction kettle in the step 2, and stirring to obtain a premix;
and 4, step 4: and (3) grinding the premix, and stopping grinding when more than 90% of particles in the premix have a particle size of less than 250 micrometers to obtain the friction reducer.
9. The preparation method of the track friction reducer according to claim 8, wherein the stirring temperature in the reaction kettle is constant, and the stirring temperature range is 65-70 ℃; the milling temperature was 25 ℃.
10. Use of a track friction reducer as claimed in any one of claims 1 to 7 for lubrication between a train track and a rail wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210441299.9A CN114634837A (en) | 2022-04-26 | 2022-04-26 | Track friction reducing agent, preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210441299.9A CN114634837A (en) | 2022-04-26 | 2022-04-26 | Track friction reducing agent, preparation method and application thereof |
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| CN105567388A (en) * | 2014-10-20 | 2016-05-11 | 段文倩 | Wheel-rail lubricating composite material |
| CN113717772A (en) * | 2020-05-20 | 2021-11-30 | 吉林省运捷轨道科技开发有限公司 | Composite lithium-based lubricating grease for rail lubrication and preparation method and application thereof |
| CN114350431A (en) * | 2022-03-21 | 2022-04-15 | 泰奥星（天津）有限公司 | Multifunctional lubricating grease, and preparation method and application thereof |
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2022
- 2022-04-26 CN CN202210441299.9A patent/CN114634837A/en active Pending
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