CN111303975A - Graphene automobile engine oil and preparation method thereof - Google Patents
Graphene automobile engine oil and preparation method thereof Download PDFInfo
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- CN111303975A CN111303975A CN202010230944.3A CN202010230944A CN111303975A CN 111303975 A CN111303975 A CN 111303975A CN 202010230944 A CN202010230944 A CN 202010230944A CN 111303975 A CN111303975 A CN 111303975A
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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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/02—Carbon; Graphite
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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
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0001—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 by organoleptic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
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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
Abstract
The invention belongs to the technical field of preparation of automobile engine oil, and particularly relates to graphene automobile engine oil and a preparation method thereof, aiming at the problems that the existing graphene for automobile engine oil is complex in preparation mode, cannot well meet engine oil production requirements, and the mixing mode of base oil, graphene and the like is traditional and the mixing efficiency is low, the following scheme is provided, and the graphene automobile engine oil comprises the following components: 500g of base oil, 7-12g of graphene, 1-2g of detergent, 1-1.5g of dispersant, 2-3g of antioxidant and corrosion inhibitor, 3-5g of oiliness agent, 10-12g of viscosity index improver, 0.5-1g of antirust agent and 2-4g of antifoaming agent, wherein the components can be automatically regulated and controlled. A preparation method of graphene automobile engine oil comprises the following steps: s1: and (3) screening the base oil by using a high molecular filter membrane, and filtering impurities in the base oil. The graphene can be quickly and simply prepared, the production requirement of engine oil is met, and the mixing efficiency of base oil, graphene and the like is improved.
Description
Technical Field
The invention relates to the technical field of preparation of automobile engine oil, and particularly relates to graphene automobile engine oil and a preparation method thereof.
Background
With the development of society, automobiles become common vehicles, main power of automobile motion comes from engines, engine oil needs to be used for lubricating and cooling when the engines work, in order to improve the service life and the quality of the engine oil, Graphene is often added in production, the Graphene (Graphene) is a two-dimensional crystal which is stripped from a graphite material and is composed of carbon atoms and only has one layer of atomic thickness, the Graphene is used as a novel nano material which is the thinnest, the highest in strength and the strongest in electric conduction and heat conduction performance, the Graphene is called as 'black gold', the Graphene is a 'new material', although the application field of the Graphene is wide, the market capacity is huge, the low-cost large-scale preparation aspect of the Graphene is not decisive breakthrough at present, and the development and the market development of the Graphene application technology are restricted.
The existing graphene preparation method for the automobile engine oil is complex, the engine oil production requirement cannot be well met, the base oil and the graphene are mixed in a traditional mode, and the mixing efficiency is low.
Disclosure of Invention
The invention aims to solve the problems that the existing graphene for the automobile engine oil is complex in preparation method, cannot well meet the engine oil production requirement, and is traditional in mixing mode of base oil, graphene and the like and low in mixing efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the graphene automobile engine oil comprises the following components: 500g of base oil, 7-12g of graphene, 1-2g of detergent, 1-1.5g of dispersant, 2-3g of antioxidant and corrosion inhibitor, 3-5g of oiliness agent, 10-12g of viscosity index improver, 0.5-1g of antirust agent and 2-4g of antifoaming agent, wherein the components can be automatically regulated and controlled.
A preparation method of graphene automobile engine oil comprises the following steps:
s1: sieving the base oil by using a macromolecular filter membrane, and filtering impurities in the base oil, wherein the filter membrane can filter out particle impurities with the size of more than 5 mu m;
s2: crushing, grinding, screening, mixing solution and chemically reducing a graphite block to obtain graphene;
s3: the automobile engine oil is prepared by mixing base oil, graphene, a detergent, a dispersant, an oxidation and corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an antifoaming agent according to a certain proportion;
s4: and detecting the quality of the engine oil.
Preferably, in S2, the graphite particles obtained by crushing the graphite blocks with the crusher are ground with the grinder to obtain graphite powder, and the graphite powder is sieved with the multi-stage sieving net.
Preferably, the apertures of the plurality of screening nets are gradually reduced, the multistage screening nets are respectively provided with a vibration motor, the screening effect can be improved, the multistage screening nets can be divided into a first-stage filter net, a second-stage filter net and a third-stage filter net, the first-stage filter net is 500-mesh and 600-mesh, the second-stage filter net is 700-mesh and 800-mesh, the third-stage filter net is 900-mesh and 1000-mesh, and the fine graphite powder can be obtained.
Preferably, the chemical reduction proposed in S2 is: stirring and mixing graphite powder and water according to the proportion of 1 mg/mL, oscillating by ultrasonic waves until the solution is clear and has no granular substances, adding a proper amount of hydrazine, refluxing for 24 hours at 100 ℃ to generate black granular precipitates, filtering and drying to obtain the graphene.
Preferably, the filtering is performed by using a filter screen with a size larger than that of the graphite powder and smaller than that of the graphene particles, the filter screen can be a 700-plus 800-mesh filter screen, the graphite powder is filtered, the graphene can be retained, the graphene particles obtained by filtering are added into a drying box for drying, the drying temperature is set to be 50-70 ℃, and the graphene is easily oxidized due to overhigh temperature.
Preferably, in S3, a mixing tank is prepared, the base oil is added into the hopper cylinder, a valve is disposed on the hopper cylinder, so that the crude oil can gradually flow into the mixing tank, a plurality of auxiliary hopper cylinders are disposed, and the graphene, the detergent, the dispersant, the antioxidant corrosion inhibitor, the oiliness agent, the viscosity index improver, the rust inhibitor and the anti-foaming agent are added into the plurality of auxiliary hopper cylinders according to a certain proportion, and the auxiliary valves are disposed on the plurality of auxiliary hopper cylinders, so that the graphene, the detergent, the dispersant, the antioxidant corrosion inhibitor, the oiliness agent, the viscosity index improver, the rust inhibitor and the anti-foaming agent can be continuously added into the mixing tank to be mixed with the base oil, thereby avoiding one-time introduction and mixing, and improving the mixing effect.
Preferably, in S4, the usage of the mixed engine oil is detected in a specific detection manner: and (3) performing a hand twisting method, a color distinguishing method and a lighting method, and packaging after detection is completed. .
Compared with the prior art, the invention has the advantages that:
(1) the scheme can quickly and conveniently extract the graphene, is convenient to use and saves cost;
(2) the mixing effect can be improved by intermittently adding the base oil, the graphene and other mixtures;
the graphene can be quickly and simply prepared, the production requirement of engine oil is met, and the mixing efficiency of base oil, graphene and the like is improved.
Drawings
Fig. 1 is a step diagram of a first embodiment of a preparation method of graphene automobile engine oil according to the present invention;
fig. 2 is a step diagram of an embodiment two of the preparation method of the graphene automobile engine oil provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1, the graphene automobile engine oil comprises the following components: 500g of base oil, 7-12g of graphene, 1-2g of detergent, 1-1.5g of dispersant, 2-3g of antioxidant and corrosion inhibitor, 3-5g of oiliness agent, 10-12g of viscosity index improver, 0.5-1g of antirust agent and 2-4g of antifoaming agent, wherein the components can be automatically regulated and controlled.
A preparation method of graphene automobile engine oil comprises the following steps:
s1: sieving the base oil by using a macromolecular filter membrane, and filtering impurities in the base oil, wherein the filter membrane can filter out particle impurities with the size of more than 5 mu m;
s2: crushing, grinding, screening, mixing solution and chemically reducing a graphite block to obtain graphene;
s3: the automobile engine oil is prepared by mixing base oil, graphene, a detergent, a dispersant, an oxidation and corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an antifoaming agent according to a certain proportion;
s4: and detecting the quality of the engine oil.
In this embodiment, in S2, the graphite particles obtained by crushing the graphite block with the crusher are ground with the grinder to obtain graphite powder, and the graphite powder is sieved with the multi-stage sieving net.
In this embodiment, the aperture of the plurality of screening nets becomes little gradually, and all set up vibrating motor on the multi-stage screening net, can improve the screening effect, and the multi-stage screening net can be divided into one-level filter screen, second grade filter screen and tertiary filter screen, and the one-level filter screen is 500 and is increased by once more 600 meshes, and the second grade filter screen is 700 and is increased by once more 800 meshes, and the tertiary filter screen is 900 and is increased by once more 1000 meshes, can obtain meticulous graphite powder.
In this example, the chemical reduction method proposed in S2 is: stirring and mixing graphite powder and water according to the proportion of 1 mg/mL, oscillating by ultrasonic waves until the solution is clear and has no granular substances, adding a proper amount of hydrazine, refluxing for 24 hours at 100 ℃ to generate black granular precipitates, filtering and drying to obtain the graphene.
In this embodiment, filter and select to be greater than the graphite powder and be less than the filter screen of graphite alkene granule for filtering, the filter screen can select 700 to increase the level of 800 meshes filter screen for use, filters graphite powder, can keep graphite alkene, will filter the graphite alkene granule that obtains and add stoving in the stoving case, stoving temperature sets up 50-70 ℃, and the high temperature leads to graphite alkene oxidation easily.
In this embodiment, in S3, a blending tank is prepared, base oil is added to the funnel cylinder, a valve is provided on the funnel cylinder, so that crude oil can gradually flow into the blending tank, a plurality of auxiliary funnel cylinders are provided, and graphene, a detergent, a dispersant, an antioxidant corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an antifoaming agent are added to the plurality of auxiliary funnel cylinders according to a certain proportional amount, and auxiliary valves are provided on the plurality of auxiliary funnel cylinders, so that graphene, a detergent, a dispersant, an antioxidant corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an antifoaming agent can be continuously added to the blending tank to be mixed with the base oil, thereby avoiding one-time introduction and mixing, and improving a mixing effect.
In this embodiment, the usage of the mixed engine oil in S4 is detected in a specific detection manner: the method comprises a hand twisting method, a color discrimination method and a lighting method, wherein the packaging can be carried out after the detection is finished, the hand twisting method repeatedly grinds the taken old engine oil with a thumb and a forefinger, and the hand twisting method has good hand feeling, lubricity, less abrasive dust and no friction feeling; if the product feels dirty, has poor viscosity and even is astringent, it should be replaced. The color discrimination method comprises the steps of taking a clean white filter test paper (a little good facial tissue can be used), dropping a little old engine oil on the paper, after the oil leaks, enabling the engine oil with good quality to be free of powder, dry and smooth by touching with hands, and enabling a yellow wetting zone to be clear; dark black brown with impurities, should be replaced. And (3) by an illumination method, the height of the oil dipstick is taken out to be 45 degrees, oil drops of the engine oil are observed under illumination, and the condition that no abrasive dust in the oil drops is good can be clearly seen.
Example two
Referring to fig. 2, the graphene automobile engine oil comprises the following components: used engine oil; the anti-corrosion coating comprises a plurality of graphene, a detergent, a dispersant, an oxidation and corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an anti-foaming agent, and the components can be automatically regulated and controlled.
A preparation method of graphene automobile engine oil comprises the following steps:
s1: filtering and screening used engine oil for multiple times by using a macromolecular filter membrane, filtering impurities of the used engine oil to obtain crude oil, and detecting the crude oil; the used engine oil can be reused, and the cost is saved;
s2: carrying out friction, powder scraping, screening, solution mixing and chemical reduction on the graphite block to obtain graphene;
s3: and mixing the crude oil, the graphene, a detergent, a dispersant, an oxidation and corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an anti-foaming agent while detecting to obtain the automobile engine oil.
In this embodiment, in S2, the graphite block is rubbed on the rubbing plate manually or by using a machine to obtain graphite powder, and the graphite powder is sieved by the sieving net.
In this embodiment, the sieving net can be a 900-mesh or 1000-mesh sieving net, so as to obtain fine graphite powder.
In this example, the chemical reduction method proposed in S2 is: stirring and mixing graphite powder and water according to the proportion of 1 mg/mL, oscillating by ultrasonic waves until the solution is clear and has no granular substances, adding a proper amount of hydrazine, refluxing for 24 hours at 100 ℃ to generate black granular precipitates, filtering and drying to obtain the graphene.
In this embodiment, filter and select to be greater than the graphite powder and be less than the filter screen of graphite alkene granule for filtering, the filter screen can select 700 to increase the level of 800 meshes filter screen for use, filters graphite powder, can keep graphite alkene, will filter the graphite alkene granule that obtains and add stoving in the stoving case, stoving temperature sets up 50-70 ℃, and the high temperature leads to graphite alkene oxidation easily.
In this example, a mixing tank was prepared in S3, the crude oil to be tested was introduced into the mixing tank, and the graphene, detergent, dispersant, antioxidant, anticorrosive agent, oiliness agent, viscosity index improver, rust inhibitor and antifoaming agent components that were missing in the crude oil were gradually added to the funnel, and the components were mixed while the automobile oil was discharged and tested until the automobile oil reached the standard.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The graphene automobile engine oil is characterized by comprising the following components: 500g of base oil, 7-12g of graphene, 1-2g of detergent, 1-1.5g of dispersant, 2-3g of antioxidant and corrosion inhibitor, 3-5g of oiliness agent, 10-12g of viscosity index improver, 0.5-1g of antirust agent and 2-4g of antifoaming agent.
2. The preparation method of the graphene automobile engine oil is characterized by comprising the following steps:
s1: screening the base oil by using a high molecular filter membrane, and filtering impurities in the base oil;
s2: crushing, grinding, screening, mixing solution and chemically reducing a graphite block to obtain graphene;
s3: the automobile engine oil is prepared by mixing base oil, graphene, a detergent, a dispersant, an oxidation and corrosion inhibitor, an oiliness agent, a viscosity index improver, an antirust agent and an antifoaming agent according to a certain proportion;
s4: and detecting the quality of the engine oil.
3. The method of claim 2, wherein in step S2, the graphite particles are obtained by first crushing graphite blocks with a crusher, grinding the graphite particles with a grinder to obtain graphite powder, and sieving the graphite powder with a multi-stage sieving net.
4. The method for preparing graphene automobile engine oil according to claim 3, wherein the pore diameters of the plurality of screening nets are gradually reduced, and the multistage screening nets are respectively provided with a vibration motor, so that the screening effect can be improved.
5. The preparation method of graphene automobile oil according to claim 2, wherein the chemical reduction method proposed in S2 is as follows: stirring and mixing graphite powder and water according to the proportion of 1 mg/mL, oscillating by ultrasonic waves until the solution is clear and has no granular substances, adding a proper amount of hydrazine, refluxing for 24 hours at 100 ℃ to generate black granular precipitates, filtering and drying to obtain the graphene.
6. The method for preparing graphene automobile engine oil according to claim 5, wherein a filter screen with graphite powder larger than graphene particles is used for filtering, the graphene particles obtained through filtering are added into a drying box for drying, and the drying temperature is set to be 50-70 ℃.
7. The method of claim 2, wherein in step S3, a mixing tank is prepared, the base oil is added into a hopper, a valve is disposed on the hopper so that crude oil can gradually flow into the mixing tank, a plurality of auxiliary hoppers are disposed, and the graphene, the detergent, the dispersant, the antioxidant/corrosion inhibitor, the oiliness agent, the viscosity index improver, the rust inhibitor, and the anti-foaming agent are added into the plurality of auxiliary hoppers according to a certain ratio, and the auxiliary valves are disposed on the plurality of auxiliary hoppers, so that the graphene, the detergent, the dispersant, the antioxidant/corrosion inhibitor, the oiliness agent, the viscosity index improver, the rust inhibitor, and the anti-foaming agent can be continuously added into the mixing tank to mix with the base oil, thereby avoiding one-time introduction and mixing and improving the mixing effect.
8. The preparation method of graphene automobile oil according to claim 1, wherein the usage of the mixed engine oil in S4 is detected in a specific detection mode: hand twisting, color discrimination and illumination.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114276861A (en) * | 2022-01-13 | 2022-04-05 | 广东润得宝科技有限公司 | Antioxidant wear-resistant graphene engine oil and preparation method thereof |
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