CN114591781A - Wheel belt lubricant, and preparation method and application thereof - Google Patents
Wheel belt lubricant, and preparation method and application thereof Download PDFInfo
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- CN114591781A CN114591781A CN202210269888.3A CN202210269888A CN114591781A CN 114591781 A CN114591781 A CN 114591781A CN 202210269888 A CN202210269888 A CN 202210269888A CN 114591781 A CN114591781 A CN 114591781A
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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
- C10M169/04—Mixtures of base-materials 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
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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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
- 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
- C10M2207/2835—Esters of polyhydroxy compounds 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
- C10M2207/28—Esters
- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/301—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids 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
- 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
- C10N2030/08—Resistance to extreme temperature
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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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/38—Conveyors or chain belts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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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 invention provides a wheel belt lubricant, a preparation method and application thereof, and belongs to the technical field of lubricating materials. The invention adopts the synthetic polyol ester base oil and the compounded polyol high-viscosity compound ester, the flash points of the two are above 300 ℃, the two can bear higher temperature, and simultaneously the raw materials can be completely volatilized and decomposed under the high-temperature condition, and tiny solid particles can not be generated, so that the smoke phenomenon can not occur in the using process of the lubricating oil; and the biodegradation rate of the synthetic polyol ester base oil and substances obtained after the synthetic polyol ester base oil is volatilized and decomposed can reach over 90 percent, and the pollution to the ecological environment can be effectively reduced. Meanwhile, the invention adopts the mixture of the superfine graphite powder and the superfine molybdenum disulfide powder as the solid additive, the high temperature resistance is greatly enhanced, and a firm high temperature resistant solid lubricating film can still be kept at 500 ℃, thereby having long-acting lubricating effect. In addition, the belt lubricant provided by the invention has excellent extreme pressure property and adhesion.
Description
Technical Field
The invention relates to the technical field of lubricating materials, in particular to a wheel belt lubricant and a preparation method and application thereof.
Background
The rotary kiln is a core device of cement manufacturing enterprises, and bears huge mechanical force, thermal deformation, chemical erosion and the like in high-temperature and heavy-load operation. The wheel belt is the most important supporting component of the rotary kiln, and has the defects of heavy load, large torque, more supporting points and complex operation system, thereby playing a very important role in the stable operation of the rotary kiln.
Because the thermal expansion rates and the rigidity of the kiln body and the belt wheel are different, the inner diameter of the belt wheel needs to be designed to be larger than the outer diameter of the kiln body (including a backing plate), and the kiln body (the backing plate) and the belt wheel can generate certain dislocation in the running process, namely rolling displacement. The range of normal rolling displacement dislocation is only limited to the diameter difference of a kiln body (comprising a backing plate) and a wheel belt and occurs according to a certain proportion, if the wheel belt and the kiln body (comprising the backing plate) are not lubricated properly or not, rolling displacement abnormity occurs, the contact surface can be bitten or slipped, abnormal friction between the backing plate and the wheel belt can be caused by the phenomena, the kiln body rotates to generate shaking phenomenon, the breakage and falling of refractory bricks in the kiln body are induced, and thus the accidental kiln shutdown maintenance and extra shutdown loss are caused, and the lubrication between the wheel belt and the backing plate is very important.
The rotary kiln wheel belt usually works continuously at a high temperature of 270-370 ℃ and under a load of tens of tons, the working condition is very harsh, and the common lubricant cannot meet the lubricating requirement at the high temperature. CN102559348A discloses a rotary kiln wheel belt lubricating oil and a manufacturing method thereof, which uses poly-alpha-olefin synthetic oil, composite calcium sulfonate grease, composite metal soap, nano colloid molybdenum disulfide powder, colloid graphite powder, nano soft metal powder and an anti-burning agent as raw materials, solves the problem of poor lubrication of the rotary kiln wheel belt in severe environment, and has good wear resistance and high temperature resistance. However, the lubricating oil for the rotary kiln wheel belt contains the composite calcium sulfonate base grease and the composite metal soap, serious smoking problems exist when the lubricating oil is used under a high-temperature condition, and after light-component base oil is volatilized, soap substances such as a thickening agent and the like contained in the composite calcium sulfonate base grease are dried, agglomerated and remained on the wheel belt, so that abrasion is increased. Meanwhile, the rotary kiln wheel belt lubricating oil has poor adhesiveness and has the problem of oil throwing in the use process.
Disclosure of Invention
The invention aims to provide a belt lubricant, a preparation method and application thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a wheel belt lubricant which comprises the following preparation raw materials in parts by weight:
45-65 parts of synthetic polyol ester base oil, wherein the flash point of the synthetic polyol ester base oil is above 300 ℃;
5-30 parts of polyol high-viscosity composite ester, wherein the flash point of the polyol high-viscosity composite ester is more than 300 ℃, and the kinematic viscosity at 100 ℃ is 1800-2200 mm2/s；
10-30 parts of a solid additive, wherein the solid additive is a mixture of superfine graphite powder and superfine molybdenum disulfide powder.
Preferably, the synthetic polyol ester base oil is trimethylolpropane oleate.
Preferably, the trimethylolpropane oleate has a kinematic viscosity at 40 ℃ of 45-55 mm2/s。
Preferably, the mass ratio of the superfine graphite powder to the superfine molybdenum disulfide powder is 1: 9-9: 1.
Preferably, the particle size of the superfine graphite powder is 0.1-15 μm.
Preferably, the granularity of the superfine molybdenum disulfide powder is 0.1-20 mu m.
The invention provides a preparation method of a belt lubricant in the technical scheme, which comprises the following steps:
and mixing the synthetic ester base oil, the high-viscosity composite ester and the solid additive to obtain the belt lubricant.
Preferably, the mixing comprises:
and carrying out first stirring and mixing on the synthetic polyol ester base oil and the polyol high-viscosity composite ester, and then carrying out second stirring and mixing on the obtained mixed material and the solid additive.
Preferably, the temperature of the first stirring and mixing is 55-75 ℃, and the time is 0.5-1 h; the temperature of the second stirring and mixing is 55-75 ℃, and the time is 2-3 h.
The invention provides an application of the belt lubricant in the technical scheme or the belt lubricant prepared by the preparation method in the technical scheme in the rotary kiln belt lubrication.
The invention provides a wheel belt lubricant which comprises the following preparation raw materials in parts by mass: 45-65 parts of synthetic polyol ester base oil, wherein the flash point of the synthetic polyol ester base oil is above 300 ℃; 5-30 parts of polyol high-viscosity composite ester, wherein the flash point of the polyol high-viscosity composite ester is more than 300 ℃, and the kinematic viscosity at 100 ℃ is 1800-2200 mm2S; 10-30 parts of a solid additive, wherein the solid additive is a mixture of superfine graphite powder and superfine molybdenum disulfide powder. The synthetic polyol ester base oil and the compounded polyol high-viscosity composite ester are adopted, the flash points of the two are both above 300 ℃, the two can bear higher temperature, and meanwhile, the raw material is regular and single in structure and does not contain aromatic hydrocarbon and other structures, the raw material can be completely volatilized and decomposed under the condition of high temperature (350-500 ℃), and tiny solid particles cannot be generated, so that the smoke phenomenon cannot occur in the using process of the lubricating oil; and the biodegradation rate of the synthetic polyol ester base oil and substances obtained after the synthetic polyol ester base oil is volatilized and decomposed can reach over 90 percent, and the pollution to the ecological environment can be effectively reduced. Meanwhile, the invention adopts the mixture of the superfine graphite powder and the superfine molybdenum disulfide powder as the solid additive, the high temperature resistance is greatly enhanced, and a firm high temperature resistant solid lubricating film can still be kept at 500 ℃, thereby having long-acting lubricating effect. In addition, the belt lubricant provided by the invention has excellent extreme pressure property and adhesion.
Furthermore, the particle size of the solid additive is relatively large, agglomeration is not easy to occur, and due to the internal friction effect of the high-viscosity polyol composite ester, the superfine graphite powder and the superfine molybdenum disulfide powder can be stably dispersed in the belt lubricant without sedimentation, and can be uniformly deposited on the surface of the belt to play a role in solid lubrication when in use, so that friction is reduced, and the problems that the nano powder is easy to agglomerate and difficult to uniformly deposit on the surface of the belt due to the fact that the colloid is damaged when the nano colloid molybdenum disulfide powder and the colloid graphite powder are used at high temperature are solved, and the lubrication effect is reduced.
Detailed Description
The invention provides a wheel belt lubricant which comprises the following preparation raw materials in parts by weight:
45-65 parts of synthetic polyol ester base oil, wherein the flash point of the synthetic polyol ester base oil is above 300 ℃;
5-30 parts of polyol high-viscosity composite ester, wherein the flash point of the polyol high-viscosity composite ester is more than 300 ℃, and the kinematic viscosity at 100 ℃ is 1800-2200 mm2/s；
10-30 parts of a solid additive, wherein the solid additive is a mixture of superfine graphite powder and superfine molybdenum disulfide powder.
In the present invention, unless otherwise specified, all the starting materials for the preparation are commercially available products well known to those skilled in the art.
According to the mass parts, the preparation raw materials of the belt lubricant comprise 45-65 parts of synthetic polyol ester base oil, preferably 50-60 parts, and more preferably 53-55 parts. In the present invention, the flash point of the synthetic polyol ester base oil is 300 ℃ or higher, preferably 320 ℃ or higher. In the invention, the synthetic polyol ester base oil is preferably trimethylolpropane oleate, and the kinematic viscosity of the trimethylolpropane oleate at 40 ℃ is preferably 45-55 mm2More preferably 50 to 52mm in thickness2And(s) in the presence of a catalyst. In the embodiment of the invention, the trimethylolpropane oleate is specifically TMPTO-A of Ruijie chemical company, the flash point is 320 ℃, and the kinematic viscosity at 40 ℃ is 51.35mm2/s。
Based on the mass parts of the synthetic polyol ester base oil, the preparation raw material of the belt lubricant comprises 5-30 parts, preferably 10-25 parts, and more preferably 15-20 parts of polyol high-viscosity composite ester. In the present invention, the flash point of the polyol high-viscosity complex ester is 300 ℃ or higher, preferably 300 ℃Above 350 ℃; the kinematic viscosity at 100 ℃ is 1800-2200 mm2The preferred thickness is 1900-2100 mm2(ii) more preferably 1950 to 2000mm2And s. In the embodiment of the invention, the high-viscosity complex polyol ester is Ketjenlube 9505 of Italmatch company, has a flash point of 350 ℃ and a kinematic viscosity of 2000mm at 100 DEG C2/s。
The synthetic polyol ester base oil with the flash point of more than 300 ℃ is adopted, so that the high-temperature resistance of the belt lubricant can be improved, and the viscosity of the belt lubricant can be properly adjusted; simultaneously, the flash point is more than 300 ℃, the kinematic viscosity is 1800-2200 mm at 100 DEG C2The polyol high-viscosity composite ester/s can improve the adhesiveness of the belt lubricant and is beneficial to uniformly dispersing the solid additive.
Based on the mass parts of the synthetic polyol ester base oil, the preparation raw material of the belt lubricant comprises 10-30 parts of solid additive, preferably 15-28 parts, and more preferably 20-25 parts. In the invention, the solid additive is a mixture of superfine graphite powder and superfine molybdenum disulfide powder, and the mass ratio of the superfine graphite powder to the superfine molybdenum disulfide powder is preferably 1: 9-9: 1, more preferably 1: 5-5: 1, and specifically may be 1:9, 1:2, 1:1 or 9: 1. In the invention, the granularity of the superfine graphite powder is preferably 0.1-15 μm, and more preferably 0.1-5 μm; the granularity of the superfine molybdenum disulfide powder is preferably 0.1-20 mu m, and more preferably 0.1-10 mu m. The invention preferably adopts the ultrafine graphite powder and the ultrafine molybdenum disulfide powder with the granularity to be matched and used as the solid additive, can improve the adhesion performance and the extreme pressure performance of the belt lubricant, is favorable for better adsorption on the surface of a friction pair, prevents the oil throwing phenomenon and can provide higher bearing capacity.
The invention provides a preparation method of the belt lubricant in the technical scheme, which comprises the following steps:
and mixing the synthetic ester base oil, the high-viscosity composite ester and the solid additive to obtain the belt lubricant.
In the present invention, the mixing preferably comprises: and carrying out first stirring and mixing on the synthetic polyol ester base oil and the polyol high-viscosity composite ester, and then carrying out second stirring and mixing on the obtained mixed material and the solid additive. In the invention, the temperature of the first stirring and mixing is preferably 55-75 ℃, and more preferably 55-65 ℃; the first stirring and mixing time is preferably 0.5-1 h; the second stirring and mixing temperature is preferably 55-75 ℃, and more preferably 55-65 ℃; the time for the second stirring and mixing is preferably 2-3 h. In the present invention, the stirring rate of the first stirring and mixing and the second stirring and mixing is not particularly limited, and a stirring rate known to those skilled in the art may be used. The present invention preferably performs mixing under the above temperature conditions, and can sufficiently mix the synthetic ester base oil and the high-viscosity complex ester, and uniformly disperse the solid additive in the base oil system formed by the synthetic ester base oil and the high-viscosity complex ester.
The invention provides an application of the belt lubricant in the technical scheme or the belt lubricant prepared by the preparation method in the technical scheme in the rotary kiln belt lubrication. The rotary kiln is not specially limited in type, and can be a rotary kiln in cement mine industry or a rotary kiln in chemical industry.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following examples and the preparation feedstock sources referred to in the comparative examples include:
trimethylolpropane oleate available from Rijie chemical company under the model TMPTO-A, has A flash point of 320 ℃ and A kinematic viscosity of 51.35mm at 40 DEG C2/s；
The polyol high viscosity complex ester was purchased from Italmatch company under the model number Ketjenlube 9505, and has a flash point of 350 ℃ and a kinematic viscosity of 2000mm at 100 ℃2/s；
The superfine graphite powder is purchased from Qingdao Chenglong graphite company, is high-purity crystalline flake graphite powder and has the granularity of 0.5-1 mu m;
the ultrafine molybdenum disulfide powder is purchased from the molybdenum industry company of pioneers, has the model of molybdenum disulfide No. 1 and has the granularity of 1-1.5 mu m.
Example 1
Adding 25.0g of polyol high-viscosity composite ester into 45.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 3.0g of superfine graphite powder and 27.0g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature (25 ℃) to obtain the belt lubricant.
Example 2
Adding 5.0g of polyol high-viscosity composite ester into 65.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 10.0g of superfine graphite powder and 20.0g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature to obtain the wheel belt lubricant.
Example 3
Adding 30.0g of polyol high-viscosity composite ester into 60.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 5.0g of superfine graphite powder and 5.0g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature to obtain the wheel belt lubricant.
Example 4
Adding 20.0g of polyol high-viscosity composite ester into 55.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 12.5g of superfine graphite powder and 12.5g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature to obtain the wheel belt lubricant.
Example 5
Adding 10.0g of polyol high-viscosity composite ester into 60.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 27.0g of superfine graphite powder and 3.0g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature to obtain the wheel belt lubricant.
Example 6
Adding 5.0g of polyol high-viscosity composite ester into 65.0g of trimethylolpropane oleate, stirring for 1h at the temperature of 60 +/-5 ℃, adding 15.0g of superfine graphite powder and 15.0g of superfine molybdenum disulfide powder, stirring for 3h at the temperature of 60 +/-5 ℃, and cooling to room temperature to obtain the wheel belt lubricant.
Comparative example 1
A belt lubricant was prepared as in example 6, except that 15.0g of ultrafine graphite powder and 15.0g of ultrafine molybdenum disulfide powder were replaced with 30.0g of ultrafine graphite powder.
Comparative example 2
A belt lubricant was prepared as in example 6, except that 15.0g of ultrafine graphite powder and 15.0g of ultrafine molybdenum disulfide powder were replaced with 30.0g of ultrafine molybdenum disulfide powder.
Comparative example 3
Taking example 1 in the prior art CN102559348A as a comparative example 3, the belt lubricant component comprises the following components in percentage by mass: 50% of poly alpha-olefin synthetic oil, 15% of composite calcium sulfonate base grease, 20% of composite metal soap, 4% of nano colloid molybdenum disulfide powder, 3.5% of colloid graphite powder, 2% of nano soft metal powder and 5.5% of flame retardant.
Test example
The performance tests were performed on the example and comparative prepared belt lubricants as follows:
1. the sintering load P of the belt lubricant is tested by adopting a lubricating oil extreme pressure performance measuring method (GB/T3142)DA larger value represents a stronger load-bearing capacity.
2. And evaluating whether the belt lubricant generates smoke or not in use by adopting a simulated smoke test, specifically, after a No. 10 steel sheet is kept in a muffle furnace at 300 ℃ for 10min, taking out the belt lubricant, immediately dripping 5-10 drops of the belt lubricant on the surface of the No. 10 steel sheet at room temperature, and observing whether smoke is generated or not.
3. The adhesion performance of the wheel belt lubricant on the surface of a friction pair is tested by adopting an adhesion test method, specifically, a No. 45 steel sheet with the thickness of 60mm multiplied by 80mm is taken, 3.0g of wheel belt lubricant is weighed as test oil and uniformly coated on the surface of the No. 45 steel sheet, then the wheel belt lubricant is vertically suspended at room temperature, the residual test oil quantity on the surface of the No. 45 steel sheet is weighed after 48 hours, the adhesion of the oil product is judged by the oil retention rate (the residual test oil quantity after the test/the test oil quantity before the test), and the larger the value is, the better the adhesion is represented.
The results of the performance tests on the example and comparative prepared belt lubricants are shown in table 1.
TABLE 1 results of performance testing of the examples and comparative prepared belt lubricants
| Sample source | Sintering load PDValue (N) | Whether there is smoke or not | Adhesiveness (48h oil retention)/%) |
| Example 1 | 4903.3 | Completely without smoke | 19.6 |
| Example 2 | 4903.3 | Completely without smoke | 15.7 |
| Example 3 | 3089.0 | Completely without smoke | 17.1 |
| Example 4 | 3922.7 | Completely without smoke | 17.5 |
| Example 5 | 3922.7 | Completely without smoke | 16.3 |
| Example 6 | 4903.3 | Completely without smoke | 15.5 |
| Comparative example 1 | 2255.5 | Completely without smoke | 14.7 |
| Comparative example 2 | 2255.5 | Completely without smoke | 15.6 |
| Comparative example 3 | 3089.0 | Has obvious smog | 6.9 |
As can be seen from Table 1, the belt lubricant provided by the invention has good extreme pressure performance and adhesion performance, and no smoke is generated at a high temperature of 300 ℃. According to comparative examples 1-2 and example 6, the compound use of the superfine graphite powder and the superfine molybdenum disulfide has a good positive synergistic effect, and compared with the single use of a certain solid additive, the extreme pressure performance is greatly improved. As can be seen from the comparative example 3 and the examples 1 to 6, the invention solves the problem of smoke generation of the belt lubricant in the prior art during use, and greatly improves the adhesion performance of the belt lubricant, thereby avoiding oil throwing in practical application.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (10)
1. The wheel belt lubricant is characterized by comprising the following preparation raw materials in parts by weight:
45-65 parts of synthetic polyol ester base oil, wherein the flash point of the synthetic polyol ester base oil is above 300 ℃;
5-30 parts of polyol high-viscosity composite ester, wherein the flash point of the polyol high-viscosity composite ester is more than 300 ℃, and the kinematic viscosity at 100 ℃ is 1800-2200 mm2/s；
10-30 parts of a solid additive, wherein the solid additive is a mixture of superfine graphite powder and superfine molybdenum disulfide powder.
2. The belt lubricant of claim 1, wherein the synthetic polyol ester base oil is trimethylolpropane oleate.
3. The belt lubricant according to claim 2, wherein the trimethylolpropane oleate has a kinematic viscosity at 40 ℃ of 45 to 55mm2/s。
4. The wheel belt lubricant as claimed in claim 1, wherein the mass ratio of the ultrafine graphite powder to the ultrafine molybdenum disulfide powder is 1: 9-9: 1.
5. The belt lubricant according to claim 1 or 4, wherein the particle size of the ultrafine graphite powder is 0.1 to 15 μm.
6. The pulley belt lubricant according to claim 1 or 4, wherein the ultrafine molybdenum disulfide powder has a particle size of 0.1 to 20 μm.
7. A method for producing the belt lubricant according to any one of claims 1 to 6, comprising the steps of:
and mixing the synthetic ester base oil, the high-viscosity composite ester and the solid additive to obtain the belt lubricant.
8. The method of manufacturing of claim 7, wherein the mixing comprises:
and carrying out first stirring and mixing on the synthetic polyol ester base oil and the polyol high-viscosity composite ester, and then carrying out second stirring and mixing on the obtained mixed material and the solid additive.
9. The preparation method of claim 8, wherein the temperature of the first stirring and mixing is 55-75 ℃ and the time is 0.5-1 h; the temperature of the second stirring and mixing is 55-75 ℃, and the time is 2-3 h.
10. Use of the belt lubricant according to any one of claims 1 to 6 or the belt lubricant prepared by the preparation method according to any one of claims 7 to 9 in the belt lubrication of a rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269888.3A CN114591781A (en) | 2022-03-18 | 2022-03-18 | Wheel belt lubricant, and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269888.3A CN114591781A (en) | 2022-03-18 | 2022-03-18 | Wheel belt lubricant, and preparation method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114591781A true CN114591781A (en) | 2022-06-07 |
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| CN202210269888.3A Pending CN114591781A (en) | 2022-03-18 | 2022-03-18 | Wheel belt lubricant, and preparation method and application thereof |
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