CN113265294A - High-stability lubricating oil and preparation method thereof - Google Patents
High-stability lubricating oil and preparation method thereof Download PDFInfo
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- CN113265294A CN113265294A CN202110562870.8A CN202110562870A CN113265294A CN 113265294 A CN113265294 A CN 113265294A CN 202110562870 A CN202110562870 A CN 202110562870A CN 113265294 A CN113265294 A CN 113265294A
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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
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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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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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a high-stability lubricating oil and a preparation method thereof, wherein the preparation method comprises the following steps: preparing raw materials, pretreating the raw materials, mixing and stirring, stirring secondary mixed materials, preparing finished products, treating waste materials, selecting base oil, a complexing agent, an antioxidant, an extreme pressure antiwear agent and a nano-scale wear-resistant additive according to a certain proportion, firstly mixing and stirring the base oil and the complexing agent by heating, preparing mixed oil through vacuum defoaming, adding nanometer level antiwear additive, stirring again, finally adding antioxidant and extreme pressure antiwear agent, carrying out secondary heating treatment for stirring, finally preparing finished lubricating oil through detection and analysis, the mixed oil liquid remained in the reaction kettle is washed, and the washed mixed liquid is separated and rectified, so that the material waste is reduced, by adding the extreme pressure antiwear agent and the nanoscale antiwear additive, the wear resistance of the lubricating oil is effectively enhanced, the stability is improved, and the service life is prolonged.
Description
Technical Field
The invention relates to the field of lubricating oil, in particular to high-stability lubricating oil and a preparation method thereof.
Background
The lubricating oil is a liquid or semisolid lubricating agent which is used on various types of automobiles and mechanical equipment to reduce friction and protect machinery and workpieces, and mainly plays roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing, buffering and the like.
Disclosure of Invention
The invention mainly aims to provide a high-stability lubricating oil and a preparation method thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a high-stability lubricating oil and a preparation method thereof comprise the following steps:
s1: preparing raw materials, namely taking sufficient base oil, a complexing agent, an antioxidant, an extreme pressure antiwear agent and a nano-scale wear-resistant additive, wherein the mass ratio of the base oil, the complexing agent, the antioxidant and the extreme pressure antiwear agent is 80: 15: 5, and precipitating and standing the base oil to remove impurities;
s2: pretreating raw materials, namely injecting base oil into a reaction kettle, adding a proper amount of complexing agent, heating to 80 ℃, introducing helium into the reaction kettle, stirring at the rotating speed of 1200 rpm, and increasing the pressure in the reaction kettle to perform vacuum defoaming treatment to obtain prepared mixed oil;
s3: mixing and stirring, adding a nanoscale wear-resistant additive into the prepared mixed oil, wherein the dosage ratio of the nanoscale wear-resistant additive to the prepared mixed oil is 1.5 g: 1mL, and stirring to obtain prefabricated mixed oil;
s4: mixing and stirring the materials for the second time, adding an antioxidant and an extreme pressure antiwear agent into the obtained prefabricated mixed oil, heating the reaction kettle to 60 ℃, then stirring, carrying out heat preservation treatment for a period of time after stirring, then raising the temperature to 120 ℃ again, stirring again, and finally cooling to room temperature to obtain mixed lubricating oil;
s5: preparing a finished product, namely sampling and analyzing the prepared mixed lubricating oil to obtain the finished product lubricating oil after the mixed lubricating oil is qualified, assembling and warehousing the finished product lubricating oil, and storing the finished product lubricating oil in a cool and dry place;
s6: and (3) waste treatment, namely washing the used reaction kettle, collecting the mixed liquid obtained after washing, treating by using an industrial oil-water separator to remove water in the mixed liquid, and performing secondary treatment by using a rectification method to directly transfer the obtained oil-containing liquid to the preparation of a finished product.
Preferably, in the step S1, the antioxidant is di-tert-butyl-p-cresol, the extreme pressure antiwear agent is water-based phosphate ester, and the precipitation time of the base oil is not less than 1 h.
Preferably, in the step S2, the stirring time in the reaction kettle is 1.5 to 2 hours, the pressure in the reaction kettle needs to be increased to 80MPa and kept for not less than 5 seconds, and then the pressure is reduced to normal pressure.
Preferably, in the step S3, the stirring time is 2 hours.
Preferably, in the step S4, after the temperature is raised to 60 ℃, stirring should be performed at a rotation speed of 2000 rpm, the stirring time is not less than 30min, the heat preservation time is not less than 20min, and after the temperature is raised to 120 ℃, stirring should be performed at a rotation speed of 1000 rpm, and the stirring time is 1-1.5 h.
Preferably, in the step S6, the mixed liquid in the reaction kettle may be pumped by a water pump and introduced into an industrial oil-water separator for treatment, and the rectified oil-containing liquid may be transferred to the step S5 for sampling analysis and distribution for storage.
Compared with the prior art, the invention has the following beneficial effects:
the base oil and the complexing agent are mixed and stirred by heating, sufficient stirring time is guaranteed, pressure in the reaction kettle is adjusted, the base oil and the complexing agent are maintained for several seconds under high pressure and then reduced to normal pressure, bubbles in the prepared mixed oil are effectively removed, subsequent treatment is facilitated, the nano-scale wear-resistant additive is added into the prepared mixed oil and stirred and mixed, so that the wear resistance of lubricating oil is improved, the stability of the lubricating oil in high-wear parts during lubrication is guaranteed, the service life is prolonged, the used reaction kettle is washed, the subsequent use of the reaction kettle is prevented from being influenced, the washed liquid is separated and rectified, residual lubricating oil liquid is obtained, and the waste of materials is reduced.
Drawings
FIG. 1 is a process flow diagram of a high stability lubricating oil and a preparation method thereof according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, a high-stability lubricating oil and a preparation method thereof comprise the following steps:
s1: preparing raw materials, namely taking sufficient base oil, a complexing agent, an antioxidant, an extreme pressure antiwear agent and a nano-scale wear-resistant additive, wherein the mass ratio of the base oil, the complexing agent, the antioxidant and the extreme pressure antiwear agent is 80: 15: 5, and precipitating and standing the base oil to remove impurities;
s2: pretreating raw materials, namely injecting base oil into a reaction kettle, adding a proper amount of complexing agent, heating to 80 ℃, introducing helium into the reaction kettle, stirring at the rotating speed of 1200 rpm, and increasing the pressure in the reaction kettle to perform vacuum defoaming treatment to obtain prepared mixed oil;
s3: mixing and stirring, adding a nanoscale wear-resistant additive into the prepared mixed oil, wherein the dosage ratio of the nanoscale wear-resistant additive to the prepared mixed oil is 1.5 g: 1mL, and stirring to obtain prefabricated mixed oil;
s4: mixing and stirring the materials for the second time, adding an antioxidant and an extreme pressure antiwear agent into the obtained prefabricated mixed oil, heating the reaction kettle to 60 ℃, then stirring, carrying out heat preservation treatment for a period of time after stirring, then raising the temperature to 120 ℃ again, stirring again, and finally cooling to room temperature to obtain mixed lubricating oil;
s5: preparing a finished product, namely sampling and analyzing the prepared mixed lubricating oil to obtain the finished product lubricating oil after the mixed lubricating oil is qualified, assembling and warehousing the finished product lubricating oil, and storing the finished product lubricating oil in a cool and dry place;
s6: and (3) waste treatment, namely washing the used reaction kettle, collecting the mixed liquid obtained after washing, treating by using an industrial oil-water separator to remove water in the mixed liquid, and performing secondary treatment by using a rectification method to directly transfer the obtained oil-containing liquid to the preparation of a finished product.
In the step S1, the adopted antioxidant is di-tert-butyl-p-cresol, the adopted extreme pressure antiwear agent is water-based phosphate ester, and the precipitation time of the base oil is not less than 1 h; in the step S2, stirring in a reaction kettle for 1.5-2h, raising the pressure in the reaction kettle to 80MPa, keeping the pressure for not less than 5 seconds, and then reducing the pressure to normal pressure; in the step S3, stirring for 2 h; in the step S4, after the temperature is raised to 60 ℃, stirring at the rotating speed of 2000 rpm for 1-1.5h, wherein the stirring time is not less than 30min, the heat preservation time is not less than 20min, and after the temperature is raised to 120 ℃, stirring at the rotating speed of 1000 rpm is carried out; and in the step S6, a water pump can be used for pumping the mixed liquid in the reaction kettle and introducing the mixed liquid into an industrial oil-water separator for treatment, and the rectified oily liquid can be transferred to the step S5 for sampling analysis and distribution and storage.
The invention is a high stability lubricating oil and its preparation method, preparing enough raw materials, preparing according to the mass ratio of base oil, complexing agent, antioxidant and extreme pressure antiwear agent 80: 15: 5, precipitating and standing the base oil for not less than 1h to remove impurities, then injecting the base oil and complexing agent into a reaction kettle, heating to 80 ℃, then introducing helium gas into the reaction kettle, stirring at the rotation speed of 1200 rpm for 1.5-2h, then increasing the pressure in the reaction kettle to 80MPa, keeping the pressure for not less than 5 seconds, then reducing the pressure to normal pressure, thereby effectively removing bubbles in the prepared mixed oil for subsequent treatment, then adding nanoscale antiwear additive, the dosage ratio of the nanoscale antiwear additive to the prepared mixed oil is 1.5 g: 1mL, stirring for 2 hours to prepare prefabricated mixed oil, adding an antioxidant and an extreme pressure antiwear agent into the prepared prefabricated mixed oil, heating a reaction kettle to 60 ℃, stirring at the speed of 2000 rpm for more than 30 minutes, preserving heat for 20 minutes, raising the temperature to 120 ℃, stirring again, stirring at the speed of 1000 rpm for 1-1.5 hours, cooling to room temperature to obtain mixed lubricating oil, sampling and analyzing the prepared mixed lubricating oil, obtaining finished lubricating oil after analysis, assembling and warehousing, storing in a cool and dry place, washing the used reaction kettle, collecting the mixed liquid obtained after washing, treating by using an industrial oil-water separator to remove water in the mixed liquid, performing secondary treatment by a rectification method, and transferring the obtained oil-containing liquid into the step S5, sampling and analyzing, and distributing and warehousing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-stability lubricating oil and a preparation method thereof are characterized in that: the method comprises the following steps:
s1: preparing raw materials, namely taking sufficient base oil, a complexing agent, an antioxidant, an extreme pressure antiwear agent and a nano-scale wear-resistant additive, wherein the mass ratio of the base oil, the complexing agent, the antioxidant and the extreme pressure antiwear agent is 80: 15: 5, and precipitating and standing the base oil to remove impurities;
s2: pretreating raw materials, namely injecting base oil into a reaction kettle, adding a proper amount of complexing agent, heating to 80 ℃, introducing helium into the reaction kettle, stirring at the rotating speed of 1200 rpm, and increasing the pressure in the reaction kettle to perform vacuum defoaming treatment to obtain prepared mixed oil;
s3: mixing and stirring, adding a nanoscale wear-resistant additive into the prepared mixed oil, wherein the dosage ratio of the nanoscale wear-resistant additive to the prepared mixed oil is 1.5 g: 1mL, and stirring to obtain prefabricated mixed oil;
s4: mixing and stirring the materials for the second time, adding an antioxidant and an extreme pressure antiwear agent into the obtained prefabricated mixed oil, heating the reaction kettle to 60 ℃, then stirring, carrying out heat preservation treatment for a period of time after stirring, then raising the temperature to 120 ℃ again, stirring again, and finally cooling to room temperature to obtain mixed lubricating oil;
s5: preparing a finished product, namely sampling and analyzing the prepared mixed lubricating oil to obtain the finished product lubricating oil after the mixed lubricating oil is qualified, assembling and warehousing the finished product lubricating oil, and storing the finished product lubricating oil in a cool and dry place;
s6: and (3) waste treatment, namely washing the used reaction kettle, collecting the mixed liquid obtained after washing, treating by using an industrial oil-water separator to remove water in the mixed liquid, and performing secondary treatment by using a rectification method to directly transfer the obtained oil-containing liquid to the preparation of a finished product.
2. The high stability lubricating oil and the preparation method thereof according to claim 1, wherein: in the step S1, the antioxidant is di-tert-butyl-p-cresol, the extreme pressure antiwear agent is water-based phosphate, and the precipitation time of the base oil is not less than 1 h.
3. The high stability lubricating oil and the preparation method thereof according to claim 1, wherein: in the step S2, the stirring time in the reaction kettle is 1.5-2h, the pressure in the reaction kettle needs to be increased to 80MPa and kept for not less than 5 seconds, and then the pressure is reduced to normal pressure.
4. The high stability lubricating oil and the preparation method thereof according to claim 1, wherein: in the step S3, the stirring time is 2 h.
5. The high stability lubricating oil and the preparation method thereof according to claim 1, wherein: in the step S4, after the temperature is raised to 60 ℃, stirring is carried out at the rotating speed of 2000 rpm, the stirring time is not less than 30min, the heat preservation time is not less than 20min, and after the temperature is raised to 120 ℃, stirring is carried out at the rotating speed of 1000 rpm, and the stirring time is 1-1.5 h.
6. The high stability lubricating oil and the preparation method thereof according to claim 1, wherein: in the step S6, a water pump can be used for pumping the mixed liquid in the reaction kettle and introducing the mixed liquid into an industrial oil-water separator for treatment, and the rectified oily liquid can be transferred to the step S5 for sampling analysis and distribution and storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110562870.8A CN113265294A (en) | 2021-05-24 | 2021-05-24 | High-stability lubricating oil and preparation method thereof |
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| CN202110562870.8A CN113265294A (en) | 2021-05-24 | 2021-05-24 | High-stability lubricating oil and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253744A (en) * | 2022-08-18 | 2022-11-01 | 江苏康曼机电设备有限公司 | Lubricating oil preparation equipment and preparation process thereof |
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| CN108865342A (en) * | 2018-04-28 | 2018-11-23 | 山东源根化学技术研发有限公司 | A kind of resistance to oxidation engine lubricating oil and preparation method thereof |
| CN109082327A (en) * | 2018-09-03 | 2018-12-25 | 山东源根石油化工有限公司 | A kind of lubricating oil synthetic base oil and preparation method thereof |
| CN112143550A (en) * | 2020-10-09 | 2020-12-29 | 彭家文 | Preparation method of lubricating oil with high wear resistance |
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2021
- 2021-05-24 CN CN202110562870.8A patent/CN113265294A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088188A1 (en) * | 2015-11-27 | 2017-06-01 | 深圳纳伟力科技有限公司 | Lubricating oil antiwear agent, lubricating oil composite agent, lubricating oil and use |
| CN108865342A (en) * | 2018-04-28 | 2018-11-23 | 山东源根化学技术研发有限公司 | A kind of resistance to oxidation engine lubricating oil and preparation method thereof |
| CN109082327A (en) * | 2018-09-03 | 2018-12-25 | 山东源根石油化工有限公司 | A kind of lubricating oil synthetic base oil and preparation method thereof |
| CN112143550A (en) * | 2020-10-09 | 2020-12-29 | 彭家文 | Preparation method of lubricating oil with high wear resistance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253744A (en) * | 2022-08-18 | 2022-11-01 | 江苏康曼机电设备有限公司 | Lubricating oil preparation equipment and preparation process thereof |
| CN115253744B (en) * | 2022-08-18 | 2024-07-26 | 西安玛珂特新材料科技股份有限公司 | Lubricating oil preparation equipment and preparation process thereof |
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Application publication date: 20210817 |