387 results about "Oil additive" patented technology

The invention relates to the technical field of preparation of a graphene lubricating oil additive through a graphene uniform dispersion technology, and discloses a preparation method of an efficient dispersion type graphene composite lubricating oil additive, which comprises the following steps: a) carrying out surface modification on graphene by utilizing plasma treatment; b) mixing the modified graphene with a surfactant; c) uniformly mixing the graphene dispersion liquid with poly-alpha-olefin (PAO) base oil with specific molecular weight distribution on a nanoscale by adopting a microfluidic technology to form a premix; d) adding a custom-formulated antioxidant, an extreme pressure additive and nanoscale silicon dioxide particles and / or metal oxide into the premix; through plasma treatment and ultrasonic treatment conditions, the compatibility of graphene and base oil is remarkably enhanced, the comprehensive performance of the lubricating oil is improved, meanwhile, the antioxidant, the extreme pressure additive and the nano material are introduced, and the wear resistance, oxidation resistance and extreme pressure performance of the composite additive are remarkably improved.

The invention discloses a preparation method of a modified lubricating oil additive containing graphene-silicon dioxide, which comprises the following steps: preparing an RGO / SiO2 nano composite material additive with SiO2 grafted on graphene by a hydrothermal method, and adding oleic acid (OA) to participate in a hydrothermal reaction to prepare an OA-RGO / SiO2 nano composite material additive with SiO2 and OA grafted on graphene; according to the preparation method, the morphology size of the lubricating oil additive is optimized, and the tribological performance and dispersion stability of the lubricating oil additive are improved; the microstructure of the composite material is observed through an SEM scanning electron microscope, it is found that a sheet layer on the surface of the composite material added with oleic acid is thinner and wrinkled, the particle size of nano particles is smaller, the nano particles are wrapped by the sheet layer more tightly, and the nano particle diameter of the OA-RGO / SiO2 additive is reduced by 18.42% compared with that of an RGO / SiO2 additive; in a contact angle test, the nano additive in which oleic acid participates in a hydrothermal reaction can further reduce the surface energy of the nano additive, and the contact angle is greatly reduced.

The invention relates to the technical field of fuel additives, in particular to a fuel additive as well as a preparation method and application thereof. Comprising the following components in parts by weight: 60 to 220 parts of bis-polyether amine, 10 to 20 parts of polyisobutene amine, 5 to 15 parts of polyether polyol, 5 to 30 parts of alkyl amine alcohol, 0.5 to 20 parts of polybasic fatty acid ester, 0.5 to 20 parts of alkyl acid ester, 10 to 30 parts of a catalyst, 2 to 7 parts of an antioxidant, 5 to 10 parts of a corrosion inhibitor and 10 to 50 parts of carrier oil. A small amount of the fuel additive is mixed with gasoline or diesel oil, and through bis-polyether amine and polyisobutene amine, combustion of fuel oil in a combustion chamber of an internal combustion engine is improved, more complete combustion of the gasoline or the diesel oil is promoted, the combustion efficiency of the fuel oil is enhanced, the oil consumption is reduced, and the economical efficiency of the fuel oil is improved; and air pollution caused by emission of hydrocarbon or combustion intermediate products is reduced.

The present application relates to a silicone oil-based immersion coolant for an electronic component. The silicone oil-based immersion coolant for an electronic component includes a base oil and an additive. The base oil includes a low-viscosity silicone oil. The additive includes a silicone oil diluent and a thermally conductive inorganic filler. The viscosity of the low-viscosity silicone oil is less than or equal to 1000 cSt. The thermally conductive inorganic filler is an insulating filler. Based on the mass of the immersion coolant, a mass percentage content of the base oil is in a range from 70% to 85%, a mass percentage content of the silicone oil diluent is in a range from 10% to 20%, and a mass percentage content of the thermally conductive inorganic filler is in a range from 5% to 10%.

The invention relates to the technical field of marine fuel oil additives, and particularly provides a marine fuel oil purification synergist and a preparation method thereof. The marine fuel oil purification synergist comprises the following components in percentage by mass: 8%-12% of a sulfur capturing agent, 15%-20% of a core-shell dispersing agent, 5%-8% of a lubricating agent, 0.5%-1% of an antioxidant, 1%-2% of a pour point depressant and the balance of a solvent. The marine fuel oil purification synergist has the advantages of high flash point, sulfur inhibition, combustion enhancement and dispersion stability. The multi-component synergistic system not only greatly improves the combustion efficiency of the marine fuel oil, but also effectively inhibits the emission of harmful substances, obviously reduces the carbon deposition and wear of an engine, and keeps the cleanliness of a fuel oil system. In practical application, the synergist shows excellent environment-friendly benefits and economic benefits, and a green fuel solution which can meet increasingly strict requirements of environment-friendly laws and regulations and can reduce the operation cost is provided for the ship industry.

The invention discloses an additive molecule screening design method for optimizing the performance of ester-based insulating oil, and relates to the technical field of electrical insulating materials. The invention provides an additive molecule design method combined with a deep molecule generation model, aiming at solving the problems that the breakdown voltage performance is insufficient due to the fact that ester-based insulating oil is easy to generate rapid streamer under high-strength lightning impulse, and time and labor are consumed when an appropriate additive is found through an experiment. The method comprises the following steps: acquiring molecular data with target electronic attributes; taking the fragment of the molecular structure as the input of the model, and designing a new additive molecular structure by utilizing the molecular generation model; performing molecular screening according to target characteristics; and the performance of the screened molecules is verified through streamer discharge simulation. According to the method, generative design of ester-based insulating oil additive molecules is realized by using the deep autoregressive neural network, the molecular screening efficiency is remarkably improved, and a new technical route is provided for improving the breakdown voltage performance of the ester-based insulating oil.

The invention relates to the technical field of lubricating oil analysis, in particular to a method and system for quantitative analysis of a lubricating oil additive. The method comprises the following steps: acquiring base oil data and lubricating oil additive data; performing mixed oil treatment based on the base oil data and the lubricating oil additive data to generate mixed lubricating oil additive data; performing mixed oil concentration detection on the mixed lubricating oil additive data to generate mixed oil concentration detection data; performing chromatographic column selection on the mixed lubricating oil additive data based on the mixed oil concentration detection data to generate chromatographic column selection data; and performing boiling point heating on the chromatographic column selection data to obtain mixed oil boiling point heating data. By optimizing data acquisition, chromatographic separation, component identification and quantitative analysis as well as result analysis and visualization, the accuracy of quantitative analysis of the lubricating oil additive is improved.

The invention relates to a composite fuel oil additive, fuel oil and application. The composite fuel oil additive comprises the following components in parts by mass: 1-8 parts of an isocaprylic acid metal substance, 1-5 parts of a transition metal ionic compound and 15-20 parts of a surfactant, the surfactant is selected from one or more of nonylphenol polyoxyethylene ether, dinonyl naphthalene sulfonic acid and dodecylbenzene sulfonic acid. The composite fuel oil additive can obviously improve the combustion efficiency and the utilization rate of fuel oil / fuel oil and improve the stability of fuel oil components, so that the fuel oil / fuel oil can be fully combusted, generation of carbon emission particles is reduced, meanwhile, residual carbon deposits in a fuel oil / fuel oil engine can be cleared and decomposed, abrasive particle abrasion of the engine is reduced, and the service life of the engine is prolonged. The engine working efficiency is improved; meanwhile, the composite fuel oil additive disclosed by the invention is green and economic, is suitable for industrial production, and can be applied to the fields of ships and the like.

The utility model discloses a lubricating oil additive corrosion-resistant feeding bin in the field of feeding bins, which comprises a feeding bin body, support columns, a dismounting mechanism and a cover plate, the support columns are fixedly connected to the front, rear, left and right parts of the bottom of the feeding bin body, the dismounting mechanism is connected to the inside of the feeding bin body, and the cover plate is fixedly connected to the bottom of the feeding bin body. According to the anti-corrosion feeding bin for the lubricating oil additive, by pulling the fixing rods, the fixing rods retreat from the fixing holes, meanwhile, the connecting springs are stretched, fixing of the connecting rings is relieved, the anti-corrosion lining is detached, then a new anti-corrosion lining is installed, and the anti-corrosion feeding bin for the lubricating oil additive is used for feeding the lubricating oil additive. The positioning blocks are located in the positioning grooves, the fixing rods are loosened, the fixing rods are embedded in the fixing holes, and fixing is completed, so that the feeding bin is separated from the corrosion-resistant layer, when the corrosion-resistant layer loses efficacy, replacement is convenient, the feeding bin is prevented from being corroded, and the service life of the feeding bin is prolonged.

The invention provides a preparation method and application of graphene oily slurry. The preparation method comprises the following steps: converting aqueous graphene slurry into oily graphene slurry through a phase conversion method; the phase property conversion method comprises the following steps: adding an oily dispersant, base oil and a cosolvent into the graphene aqueous slurry to form a water-in-oil graphene emulsion; converting the water-in-oil emulsion into an oil-in-water emulsion through a reverse phase agent; and removing water and the cosolvent in the oil-in-water emulsion to obtain the graphene oily slurry. According to the technical scheme, the graphene oily slurry obtained through a phase property conversion method retains a good dispersion state of graphene in water-based slurry, and can be uniformly dispersed in base oil / lubricating oil through a simple mixing method, so that the problem that graphene powder is not easy to disperse when being directly added into the lubricating oil is avoided; the additive can be directly used as a lubricating oil additive, so that blending of the additive with good anti-wear and anti-friction performance can be realized by adopting conventional equipment.

The utility model belongs to the technical field of lubricating oil additive filling, and particularly relates to a lubricating oil additive finished product filling device which comprises a base, supporting legs are arranged at the four corners of the bottom of the base, a filling mechanism is installed on the top of the base, and the rear end of the filling mechanism is communicated with a stirring mechanism. And a conveying mechanism is arranged below the filling mechanism. According to the filling mechanism disclosed by the utility model, the lubricating oil additive can be quickly filled through the cooperative operation of the liquid pump, the hose, the connecting pipe and the filling head. The electric telescopic rod can adjust the height of the filling head to adapt to filling containers of different specifications, and the universality of the equipment is improved; the electromagnetic valve can accurately control opening and closing of each filling head, and the accuracy of the filling amount is ensured.

The application provides an acid ester composite diesel anti-wear agent and a preparation method thereof, and belongs to the technical field of diesel additives, and comprises the following steps: S1, preparing a silanized solid acid catalyst; S2, preparing C18 polyol ester; S3, mixing an acid type anti-wear component and the C18 polyol ester, and then stirring after heating, and then adding tetrahydropyrazole pyridine derivatives and a diluent to continue stirring, and then cooling and filtering to obtain the acid ester composite diesel anti-wear agent. The application can improve the lubricity and anti-wear performance of low-sulfur diesel at a lower additive dosage, and has low corrosion and good oxidation stability.

The invention discloses a diesel additive and a preparation method thereof. The diesel oil additive comprises the following raw material components in percentage by mass: 1-5% of a function improver, 0.5-1% of an antioxidant, 0.1-0.3% of a dispersing agent and the balance of base oil. The invention also provides a preparation method of the diesel oil additive, and the diesel oil additive is prepared by mixing the raw material components. Compared with the prior art, the prepared diesel oil additive has the advantages of being good in anti-wear lubrication and low-temperature fluidity, small in additive amount, wide in adaptability, high in stability and the like, and the preparation method is easy and convenient to operate, low in cost and suitable for large-scale production.

The present invention discloses a lubricating oil additive for a flexible fuel engine, which comprises the following raw materials: overbased calcium alkyl salicylate, overbased sulfurized calcium alkylphenate, 4-pyridine ethylpropylene polymer, alkyl diphenylamine, 2,6-di-tert-butyl a-dimethylamino-p-cresol, and nano boron nitride BNNS. The present invention also discloses a lubricating oil composition for a flexible fuel engine, which comprises the above-mentioned lubricating oil additive for a flexible fuel engine, and further comprises an emulsifier and a base oil. The present invention can solve the key problem that a large amount of water is generated during the work combustion process of a flexible fuel engine, resulting in hydrolysis of dispersants, friction reducers and anti-wear agents in engine oil, damage to the molecular structure and loss of lubricating function. At the same time, it also solves the technical problem of difficult low-temperature cold start of a flexible fuel engine caused by water.

The invention provides a diesel oil anti-wear agent and a preparation process thereof, and belongs to the technical field of diesel oil additives, and the preparation process comprises the following steps: mixing and stirring diisooctyl maleate and xylene, adding diethylenetriamine and deionized water, carrying out heating reaction, adding toluene, 4-(aminomethyl) pyridine and ethylene oxide, carrying out mixing reaction, filtering, washing, and drying to obtain the diesel oil anti-wear agent. The pyridinium-based polyester hollow capsule is prepared; the preparation method comprises the following steps: mixing xylene, catechol, ethylene phosphonic acid, ammonium persulfate and deionized water, heating, dispersing in cyclohexane, adding polyvinyl alcohol, octadecyl methacrylate and azodiisobutyronitrile, mixing and reacting to obtain catechol phosphonate nano colloidal particles; mixing and stirring the fatty acid ester solution, the oleoyl fluorocarbon copolymer and the pyridinium-based polyester hollow capsule, adding the catechol phosphonate nano colloidal particles, continuously stirring, performing ultrasonic treatment, and degassing to obtain the diesel oil anti-wear agent. The diesel oil antiwear agent can improve the antiwear property and demulsibility of the diesel oil antiwear agent.

The utility model provides a spinning oil additive feeder, which relates to the technical field of spinning processing and comprises an oil feeding component, an air guide wire component is mounted on the oil feeding component, and an oil inlet and an oil outlet of the oil feeding component are connected with an oil transfer and storage barrel. The oiling agent feeding assemblies are linearly distributed in the same direction, a spinning thread penetrates through the middle of the thread inlet and outlet hole in the left side of the circular shell and is finally installed on the spinning machine, the spinning machine starts to process the spinning thread, spinning oiling agent in the oiling agent transferring and storing barrel is conveyed into the oiling agent spraying head at the other end of the pipeline through the oil pump, and the oiling agent spraying head sprays the oiling agent. According to the spinning oiling machine, the spinning yarn is sprayed by the oiling agent spray head, continuously moves along with the spinning yarn, sequentially penetrates through the different circular shells and then is sprayed with different spinning oiling agent additives, and compared with the prior art that the spinning yarn is sequentially subjected to oil immersion through an oil wheel, the possibility that the different spinning oiling agent additives are mixed is reduced.

The invention provides a nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as a preparation method and application thereof, and belongs to the technical field of lubricating oil additives. The nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer are subjected to nano-scale hybrid compounding, and the nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer have a synergistic effect on four aspects of physical bearing, chemical adsorption, interface modification and extreme pressure enhancement; a multi-synergistic lubrication and protection system of an adsorption film, a physical isolation layer, an extreme pressure reaction layer and rolling lubrication microspheres is constructed, efficient wear resistance, friction reduction, bearing and stability improvement are jointly achieved, and the lubricating oil is suitable for insoluble base oil.

The invention belongs to the technical field of automotive diesel additives, and particularly relates to a power boosting type diesel additive as well as a preparation method and application thereof. The additive contains 10-30 g / L of an organic lanthanum peroxide component in terms of La, and is a solution prepared from lanthanum carbonate or lanthanum oxide, acetylacetone, hydrogen peroxide and an inert and hydrophobic hydrocarbon solvent; in the preparation raw materials, the molar ratio of La to acetylacetone to H2O2 is 1: (3.0-3.2): (3.3-3.5); the hydrocarbon solvent is composed of a solvent A and a solvent B, the normal-pressure boiling point of the solvent A is 75-100 DEG C and accounts for 20-40 wt% of the total amount of the hydrocarbon solvent, and the normal-pressure distillation range of the solvent B is 70-300 DEG C. The additive is suitable for being added into vehicle diesel oil of a gas station, the adding amount is 0.05-2 v per thousand, the power performance of a diesel oil vehicle can be remarkably improved, and the additive has a certain application prospect.

The invention addresses the instability and toxicity of organometallic compounds used as fuel additives, which can pose environmental and health risks during handling. While these additives improve fuel combustion, efficiency, and reduce emissions by increasing octane, their handling exposes humans and the environment. This invention provides a formulation, coating process (spraying, immersion, extrusion, powder coating), and testing method to prevent direct contact. Coatings, comprising organic hydrocarbons, do not hinder octane enhancement, ensure deposit-free release in fuel tanks, and clean the fuel system. The coating also prevents sublimation during storage. Performance is evaluated by measuring weight loss under vacuum.

The utility model belongs to the technical field of stirring equipment, and particularly relates to a propanil missible oil additive stirring device which comprises a stirring barrel, a sealing cover is mounted on the top surface of the stirring barrel, a motor is fixedly mounted on the top surface of the sealing cover, the output end of the motor is fixedly connected with a stirring shaft, one end of the stirring shaft extends into the stirring barrel, and the other end of the stirring shaft extends into the stirring barrel. A feeding pipe is fixedly connected to the outer surface of the stirring barrel, a discharging pipe is fixedly mounted on the bottom surface of the stirring barrel, and a second gear is fixedly mounted on the outer surface, located outside the stirring barrel, of the stirring shaft; by arranging a clamping plate, when a gear I rotates, the clamping plate can be driven to move back and forth in a connecting funnel under the action of a connecting plate, and an additive in a feeding box leaks into a feeding pipe through a leakage groove, finally enters a stirring barrel and is mixed with raw materials in the stirring barrel; therefore, the purpose of intermittently adding the additive into the stirring barrel is achieved.

The application belongs to the technical field of lubricating oil additives, and particularly relates to a polyisobutylene succinimide dispersant as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing polyisobutylene maleic anhydride, base oil and aromatic hydrocarbon solvent, then adding aminobenzene boronic acid, and performing reaction by increasing temperature to reflux temperature, and obtaining the polyisobutylene succinimide dispersant after filtration. The polyisobutylene succinimide dispersant is prepared by using polyisobutylene maleic anhydride and aminobenzene boronic acid, the molecular structure of the polyisobutylene succinimide dispersant contains not only an aromatic ring but also an oxygen-containing benzene boronic acid group, the aromatic ring and the benzene boronic acid group both have a good adsorption effect on soot particles, and the ability of the polyisobutylene succinimide dispersant to disperse soot is improved. The performance test results show that the oil product prepared by using the polyisobutylene succinimide dispersant of the application not only improves the soot dispersion performance of the oil product, but also improves the high-temperature detergency of the oil product, and the preparation process is simple and easy to implement.

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for purifying lubricating oil additives, which comprises a lifting and storing tank, a feeding pipe, a discharging component and stirring blades, an air pressure balance tank is mounted on the upper side of the lifting and storing tank, and a first exhaust pipe is arranged at one end of the upper side of the lifting and storing tank; a first air pump is installed at one end of the first air suction pipe, a first air outlet pipe is installed at one end of the lower side of the air pressure balance tank, a second air outlet pipe is arranged at the other end of the upper side of the lifting and storing tank, and a second air pump is installed at one end of the second air outlet pipe. The discharging component is detachable, the reaction kettle is convenient to clean after the purification reaction, the detachable filtering structure is arranged, the use convenience is improved, the air pressure in the extraction and storage tank is adjusted through the air pressure balance tank, the flatness and stability of the air pressure in the extraction and storage tank in the working process are improved, and the purification reaction efficiency is improved.

The utility model relates to the technical field of lubricating oil additive proportioning, and discloses a lubricating oil additive proportioning device which comprises a supporting plate, a circular plate, a proportioning box and a lifting mechanism, a material box is arranged on the supporting plate, and according to the lubricating oil additive proportioning device, the circular plate is arranged at the bottom end of a branch pipe body of a material guide pipe; a matching box rotationally connected with the circular plate is arranged below the supporting plate, a discharging control mechanism is arranged at the bottom of a material cavity of the matching box, a plurality of connecting rods are arranged on the lifting mechanism, a discharging barrel is arranged at one end of each connecting rod, and additives in a material box are guided into the multiple material cavities of the matching box through a material guiding pipe. When an additive with a required amount is needed, only the proportioning box needs to be rotated to be switched to the material cavities with the corresponding required amount, then the additive is guided out through cooperation of the discharging barrel and the discharging control mechanism, after the proportioning box is rotated, the empty material cavities can be automatically filled through the material guiding pipe, repeated weighing by workers is not needed, time is greatly saved, and the working efficiency is improved.

The present invention provides a thiadiazole compound containing a hindered phenol group, a preparation method thereof and its use in the field of lubricating oil additives. The preparation method of the thiadiazole compound containing a hindered phenol group comprises the following steps: mixing a carboxylic acid compound containing a hindered phenol group with thionyl chloride, removing impurities under reduced pressure to obtain an acyl chloride compound containing hindered phenol; stirring and mixing 2-mercapto-5-amino-1,3,4-thiadiazole with a halogenated hydrocarbon compound, filtering, washing and drying to obtain a 2-mercapto-5-amino-1,3,4-thiadiazole derivative; adding a hindered phenol acyl chloride compound, 2-mercapto-5-amino-1,3,4-thiadiazole derivative and an alkaline additive to an organic solvent, washing, drying and purifying to obtain a thiadiazole compound containing a hindered phenol group. The thiadiazole compound containing a hindered phenol group is an antioxidant, extreme pressure and anti-wear additive, which can be applied to synthetic ester lubricants and has a good antioxidant, extreme pressure and anti-wear effect.

The invention discloses octyl vanillate as well as a preparation method and application thereof, and relates to the field of insulating oil additives. According to the invention, vanillic acid and n-caprylic alcohol are subjected to esterification reaction under the action of the bio-enzyme catalyst to synthesize octyl vanillate, and the synthesis method is efficient, green, environment-friendly and low in cost. The prepared octyl vanillate is added into the synthetic ester insulating oil as an antioxidant active component, a long ester chain in the octyl vanillate has high thermal stability, the oxidation of the synthetic ester insulating oil can still be effectively inhibited at high temperature, and the compatibility between the octyl vanillate and the synthetic ester insulating oil is good. Therefore, compared with traditional antioxidants, the synthetic ester insulating oil has remarkable advantages in the aspect of maintaining excellent oxidation resistance and electrical performance of the synthetic ester insulating oil.

The invention discloses an oil-soluble Mo-functionalized graphene composite material as well as a preparation method and application thereof, and belongs to the field of lubricating oil additives. The preparation method comprises the following steps: (1) mixing a Mo-functionalized graphene composite material with an organic solvent, and performing ultrasonic treatment to form a solution A; (2) adding an amine reducing agent into the solution A, carrying out reduction reaction, filtering and washing to obtain a filter cake; and (3) mixing a long-chain organic compound, a coupling agent and a surfactant, performing ultrasonic treatment to form a mixed solution B, performing ultrasonic dispersion on the filter cake into the mixed solution B, and performing heating treatment, cooling, filtering, washing and drying to obtain the oil-soluble Mo-functionalized graphene composite material. Through partial reduction and chemical grafting processes, the Mo-functionalized graphene composite material is subjected to selective reduction firstly, then a coupling agent is utilized to graft a long-chain organic compound to the surface of the composite material, and an oil-soluble group is introduced, so that the dispersion stability and the anti-wear and anti-friction performance in lubricating oil are remarkably improved.

The present invention discloses an anti-wear and anti-oxidation lubricating oil additive, its preparation method, and its application. This invention relates to the field of lubricating materials technology and addresses the problem of unsatisfactory thermal oxidation stability of existing lubricating oil additives. The anti-wear and anti-oxidation lubricating oil additive comprises a compound represented by Formula I: #imgabs0#, where R is an alkali metal or alkaline earth metal. The additive provided by the present invention exhibits excellent thermal oxidation stability.

The invention belongs to the technical field of lubricating oil additives, and particularly relates to an anti-foaming agent and a preparation method and application thereof. The anti-foaming agent provided by the invention is a copolymer of a monomer 1 and a monomer 2, the monomer 1 comprises 2-ethylhexyl acrylate, and the monomer 2 comprises one or two of ethyl acrylate, styrene and butyl acrylate. The anti-foaming agent provided by the invention has good thermal stability and can adapt to long-term use in a higher-temperature environment; meanwhile, the anti-foaming agent provided by the invention has good compatibility with mineral oil, synthetic oil and other oil substances, and can be uniformly dispersed in lubricating oil. The anti-foaming agent provided by the invention has an excellent anti-foaming effect when being used in high-viscosity lubricating oil.

The invention relates to the technical field of preparation of graphene quantum dot nano materials, in particular to a lipophilic graphene quantum dot lubricating oil additive prepared by a one-pot method and application thereof. The specific preparation method comprises the following steps: S1, heating and carbonizing a carbon source; s2, adding an oily modifier into S1, reacting for a period of time, and then cooling to room temperature; s3, putting the base oil into a reaction kettle, adding the material obtained in the step S2 into the reaction kettle, and stirring and mixing; s4, adding a dispersing agent into the reaction kettle in S3, and stirring and mixing; and S5, filtering the material obtained in the step S4, circulating for multiple times by adopting ultrahigh-pressure equipment, and discharging to obtain the graphene quantum dot lubricating oil additive. Wherein the oily modifier further comprises a modified silane coupling agent, and by modifying vinyl trimethoxy silane, the purposes of enhancing the dispersibility of the graphene quantum dots and inhibiting oxidative decay of the lubricating oil are finally achieved.

The utility model provides a dust recovery mechanism for producing a lubricating oil additive, and belongs to the technical field of dust recovery mechanisms. Comprising a dust suction box and a dust suction frame fixed to the bottom end of the side wall of the dust suction box, a filter plate is fixedly embedded in the top end of the dust suction box, a baffle is fixed to the center of the bottom wall of the dust suction box, a conveying frame is fixed to the top end of the baffle, and a flow guide plate of an arc-shaped structure is installed at the top end of the conveying frame; a water conveying mechanism connected with the conveying frame is arranged at the center position of the baffle. The water pump enables water flow to flow along the conveying frame, the water outlet groove and the top wall of the flow guide plate through the conveying pipe, water curtains are formed on the two sides of the baffle, the draught fan in the dust collection frame enables air to enter the dust collection box after being started, dust carried in the air is adsorbed by the water curtains and flows downwards, the dust in the air is conveniently adsorbed, and the dust collection efficiency is improved. Dust needing to be filtered by the filter plate is greatly reduced, and the situation that the filter plate is blocked by the dust is reduced.