CN112175706A - Lubricating oil with good lubricating and buffering effects and preparation method thereof - Google Patents
Lubricating oil with good lubricating and buffering effects and preparation method thereof Download PDFInfo
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- CN112175706A CN112175706A CN202011209330.3A CN202011209330A CN112175706A CN 112175706 A CN112175706 A CN 112175706A CN 202011209330 A CN202011209330 A CN 202011209330A CN 112175706 A CN112175706 A CN 112175706A
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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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/026—Butene
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
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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
- C10M2223/049—Phosphite
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Abstract
The invention discloses lubricating oil with good lubricating and buffering effects and a preparation method thereof, wherein the formula comprises the following components: the antirust oil comprises base oil, an antirust agent, an antifoaming agent, an antioxidant, a preservative, vulcanized lard oil, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low-molecular polybutene, wherein the base oil comprises the following components in parts by weight: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene.
Description
Technical Field
The invention relates to the technical field of lubricating oil, in particular to lubricating oil with good lubricating and buffering effects and a preparation method thereof.
Background
The lubricating oil is a liquid or semisolid lubricating agent used on various types of automobiles and mechanical equipment to reduce friction and protect machines and workpieces, and mainly plays roles in lubrication, auxiliary cooling, rust prevention, cleaning, sealing, buffering and the like.
Lubricating oil mainly acts on between two objects that contact each other, friction and wearing and tearing between the contact object have been reduced, however not only have friction at high-speed moving in-process, there is vibration and impact equally, however most lubricating oil on the market only has lubricating action, can't reduce vibration and impact between the object, the damaged probability in the relative motion process of object has been increased, simultaneously when the load between the object is great, extrude the lubricating oil between the object, thereby increased the frictional force between the object, cause the condition of wearing and tearing and breakage, lubricating oil is at the in-process of preparation simultaneously, have indissolvable solid particle and impurity, the purity of lubricating oil has been reduced, greatly reduced the quality of lubricating oil.
Disclosure of Invention
The invention aims to provide lubricating oil with good lubricating and buffering effects and a preparation method thereof, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a lubricating oil with good lubricating and buffering effects comprises the following components in percentage by weight: the antirust oil comprises base oil, an antirust agent, an antifoaming agent, an antioxidant, a preservative, vulcanized lard oil, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low-molecular polybutene, wherein the base oil comprises the following components in parts by weight: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene.
A preparation method of lubricating oil with good lubricating and buffering effects comprises the following steps of firstly, proportioning and weighing; step two, filtering and removing impurities; step three, preparing a mixed solution; step four, buffer solution preparation; step five, heating and stirring; step six, stirring for the second time; step seven, sealing and standing; step eight, secondary filtration; step nine, packaging and warehousing;
in the first step, respectively weighing 130-150 parts of base oil, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of polymethyl methacrylate long-chain fatty alcohol ester and 1-2 parts of low-molecular polybutene according to the parts by weight of the components;
in the second step, the base oil weighed in the first step is filtered by filter bags of 10 micrometers and 1 micrometer in sequence for later use;
in the third step, the di-n-butyl phosphite and the vulcanized lard weighed in the first step are put into a stirring kettle and stirred while being heated until the two raw materials are fully mixed to prepare a mixed solution for later use;
adding the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene weighed in the step one into a closed stirring tank, heating and stirring, fully mixing the two raw materials, standing for 1-2 hours, and filtering to prepare a buffer solution for later use;
taking a pneumatic stirrer, putting the base oil filtered in the step two into the pneumatic stirrer, heating and stirring simultaneously, adding the mixed solution prepared in the step three into the pneumatic stirrer, adding the buffer solution prepared in the step four after uniformly stirring, sequentially adding the antirust agent, the antifoaming agent, the antioxidant and the preservative weighed in the step one after fully stirring, fully stirring until the solution is uniform, preparing a semi-finished lubricating oil product, and cooling to room temperature for later use;
in the sixth step, the semi-finished product lubricating oil cooled to room temperature in the fifth step is secondarily stirred by a pneumatic stirrer, so that all the components are fully mixed;
in the seventh step, the semi-finished product of the lubricating oil after the secondary stirring in the sixth step is placed into a sealed tank body, and then is kept stand for 2-3d at normal temperature and normal pressure;
in the eighth step, the semi-finished product of the lubricating oil after standing in the seventh step is sequentially filtered by filter bags with the diameters of 10 microns and 1 micron, and the finished product of the lubricating oil is obtained for later use after filtering;
and in the ninth step, the finished product lubricating oil filtered in the eighth step is packaged in bottles and then is put into a warehouse for storage.
According to the technical scheme, the base oil is medium-viscosity mineral base oil.
According to the technical scheme, in the third step, the rotating speed of the stirring kettle is 350-500r/min, the stirring time is 30-60min, and the internal working temperature of the stirring kettle is 60-80 ℃.
According to the technical scheme, in the fourth step, the rotating speed of the stirring tank is 400-700r/min, the stirring time is 40-60min, and the working temperature is 40-60 ℃.
According to the technical scheme, in the fifth step, the rotating speed of the pneumatic stirrer is 1000-.
According to the technical scheme, in the sixth step, the time for secondary stirring is 1-2 h.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the base oil and the finished lubricating oil are sequentially filtered by the filter bags with the diameters of 10 microns and 1 micron, so that the contents of impurities and particles in the lubricating oil are greatly reduced, the purity of the lubricating oil is favorably improved, and the quality of the lubricating oil is improved.
2. According to the invention, the buffer solution is formed by adding the polymethyl long-chain fatty alcohol methacrylate and the low-molecular polybutene, so that the viscosity of the lubricating oil is increased, and the buffering performance of the lubricating oil is favorably improved.
3. According to the invention, by adding the mixed liquid of the di-n-butyl phosphite and the lard sulfide, an oil film is formed on the surface of a lubricated object, the lubricating effect of the lubricating oil under high load is improved, and the wear resistance of the lubricating oil is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present 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. 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.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
a lubricating oil with good lubricating and buffering effects comprises the following components in percentage by weight: the antirust oil comprises base oil, an antirust agent, an antifoaming agent, an antioxidant, a preservative, vulcanized lard oil, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low-molecular polybutene, wherein the base oil comprises the following components in parts by weight: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard oil, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene, wherein the base oil is medium-viscosity mineral base oil.
A preparation method of lubricating oil with good lubricating and buffering effects comprises the following steps of firstly, proportioning and weighing; step two, filtering and removing impurities; step three, preparing a mixed solution; step four, buffer solution preparation; step five, heating and stirring; step six, stirring for the second time; step seven, sealing and standing; step eight, secondary filtration; step nine, packaging and warehousing;
in the first step, 130 parts of base oil, 2 parts of antirust agent, 0.05 part of antifoaming agent, 2 parts of antioxidant, 1 part of preservative, 0.5 part of lard sulfide, 0.5 part of di-n-butyl phosphite, 1 part of long-chain fatty alcohol polymethacrylate and 1 part of low-molecular polybutene are weighed respectively according to the parts by weight of the components;
in the second step, the base oil weighed in the first step is filtered by filter bags of 10 micrometers and 1 micrometer in sequence for later use;
in the third step, the di-n-butyl phosphite and the vulcanized lard weighed in the first step are placed into a stirring kettle, heating and stirring are carried out simultaneously, the rotating speed of the stirring kettle is 350-500r/min, the stirring time is 30-60min, the internal working temperature of the stirring kettle is 60-80 ℃, and the two raw materials are fully mixed to prepare a mixed solution for later use;
adding the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene weighed in the step one into a closed stirring tank, heating and stirring, wherein the rotating speed of the stirring tank is 400-700r/min, the stirring time is 40-60min, the working temperature is 40-60 ℃, the two raw materials are fully mixed and then stand for 1-2h, and the mixture is filtered to prepare a buffer solution for later use;
taking a pneumatic stirrer, putting the base oil filtered in the step two into the pneumatic stirrer, heating and stirring simultaneously, adding the mixed solution prepared in the step three into the pneumatic stirrer, adding the buffer solution prepared in the step four after uniformly stirring, sequentially adding the antirust agent, the antifoaming agent, the antioxidant and the preservative weighed in the step one after fully stirring, fully stirring until the solution is uniform, wherein the rotating speed of the pneumatic stirrer is 1000-2500r/min, the stirring time is 3-5h, the working temperature is 80-100 ℃, preparing a semi-finished lubricating oil product, and cooling to room temperature for later use;
in the sixth step, the semi-finished product lubricating oil cooled to room temperature in the fifth step is stirred for the second time by a pneumatic stirrer, and the time for stirring for the second time is 1-2 hours, so that all the components are fully mixed;
in the seventh step, the semi-finished product of the lubricating oil after the secondary stirring in the sixth step is placed into a sealed tank body, and then is kept stand for 2-3d at normal temperature and normal pressure;
in the eighth step, the semi-finished product of the lubricating oil after standing in the seventh step is sequentially filtered by filter bags with the diameters of 10 microns and 1 micron, and the finished product of the lubricating oil is obtained for later use after filtering;
and in the ninth step, the finished product lubricating oil filtered in the eighth step is packaged in bottles and then is put into a warehouse for storage.
Example 2:
a lubricating oil with good lubricating and buffering effects comprises the following components in percentage by weight: the antirust oil comprises base oil, an antirust agent, an antifoaming agent, an antioxidant, a preservative, vulcanized lard oil, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low-molecular polybutene, wherein the base oil comprises the following components in parts by weight: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard oil, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene, wherein the base oil is medium-viscosity mineral base oil.
A preparation method of lubricating oil with good lubricating and buffering effects comprises the following steps of firstly, proportioning and weighing; step two, filtering and removing impurities; step three, preparing a mixed solution; step four, buffer solution preparation; step five, heating and stirring; step six, stirring for the second time; step seven, sealing and standing; step eight, secondary filtration; step nine, packaging and warehousing;
in the first step, 150 parts of base oil, 6 parts of antirust agent, 2 parts of antifoaming agent, 4 parts of antioxidant, 2 parts of preservative, 2 parts of lard sulfide, 2 parts of di-n-butyl phosphite, 2 parts of long-chain fatty alcohol polymethacrylate and 2 parts of low-molecular polybutene are weighed according to the parts by weight of the components;
in the second step, the base oil weighed in the first step is filtered by filter bags of 10 micrometers and 1 micrometer in sequence for later use;
in the third step, the di-n-butyl phosphite and the vulcanized lard weighed in the first step are placed into a stirring kettle, heating and stirring are carried out simultaneously, the rotating speed of the stirring kettle is 350-500r/min, the stirring time is 30-60min, the internal working temperature of the stirring kettle is 60-80 ℃, and the two raw materials are fully mixed to prepare a mixed solution for later use;
adding the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene weighed in the step one into a closed stirring tank, heating and stirring, wherein the rotating speed of the stirring tank is 400-700r/min, the stirring time is 40-60min, the working temperature is 40-60 ℃, the two raw materials are fully mixed and then stand for 1-2h, and the mixture is filtered to prepare a buffer solution for later use;
taking a pneumatic stirrer, putting the base oil filtered in the step two into the pneumatic stirrer, heating and stirring simultaneously, adding the mixed solution prepared in the step three into the pneumatic stirrer, adding the buffer solution prepared in the step four after uniformly stirring, sequentially adding the antirust agent, the antifoaming agent, the antioxidant and the preservative weighed in the step one after fully stirring, fully stirring until the solution is uniform, wherein the rotating speed of the pneumatic stirrer is 1000-2500r/min, the stirring time is 3-5h, the working temperature is 80-100 ℃, preparing a semi-finished lubricating oil product, and cooling to room temperature for later use;
in the sixth step, the semi-finished product lubricating oil cooled to room temperature in the fifth step is stirred for the second time by a pneumatic stirrer, and the time for stirring for the second time is 1-2 hours, so that all the components are fully mixed;
in the seventh step, the semi-finished product of the lubricating oil after the secondary stirring in the sixth step is placed into a sealed tank body, and then is kept stand for 2-3d at normal temperature and normal pressure;
in the eighth step, the semi-finished product of the lubricating oil after standing in the seventh step is sequentially filtered by filter bags with the diameters of 10 microns and 1 micron, and the finished product of the lubricating oil is obtained for later use after filtering;
and in the ninth step, the finished product lubricating oil filtered in the eighth step is packaged in bottles and then is put into a warehouse for storage.
Example 3:
a lubricating oil with good lubricating and buffering effects comprises the following components in percentage by weight: the antirust oil comprises base oil, an antirust agent, an antifoaming agent, an antioxidant, a preservative, vulcanized lard oil, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low-molecular polybutene, wherein the base oil comprises the following components in parts by weight: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard oil, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene, wherein the base oil is medium-viscosity mineral base oil.
A preparation method of lubricating oil with good lubricating and buffering effects comprises the following steps of firstly, proportioning and weighing; step two, filtering and removing impurities; step three, preparing a mixed solution; step four, buffer solution preparation; step five, heating and stirring; step six, stirring for the second time; step seven, sealing and standing; step eight, secondary filtration; step nine, packaging and warehousing;
in the first step, 140 parts of base oil, 4 parts of antirust agent, 0.2 part of antifoaming agent, 3 parts of antioxidant, 1.5 parts of preservative, 1 part of vulcanized lard, 0.8 part of di-n-butyl phosphite, 1.5 parts of long-chain fatty alcohol polymethacrylate and 1.5 parts of low-molecular polybutene are weighed respectively according to the parts by weight of the components;
in the second step, the base oil weighed in the first step is filtered by filter bags of 10 micrometers and 1 micrometer in sequence for later use;
in the third step, the di-n-butyl phosphite and the vulcanized lard weighed in the first step are placed into a stirring kettle, heating and stirring are carried out simultaneously, the rotating speed of the stirring kettle is 350-500r/min, the stirring time is 30-60min, the internal working temperature of the stirring kettle is 60-80 ℃, and the two raw materials are fully mixed to prepare a mixed solution for later use;
adding the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene weighed in the step one into a closed stirring tank, heating and stirring, wherein the rotating speed of the stirring tank is 400-700r/min, the stirring time is 40-60min, the working temperature is 40-60 ℃, the two raw materials are fully mixed and then stand for 1-2h, and the mixture is filtered to prepare a buffer solution for later use;
taking a pneumatic stirrer, putting the base oil filtered in the step two into the pneumatic stirrer, heating and stirring simultaneously, adding the mixed solution prepared in the step three into the pneumatic stirrer, adding the buffer solution prepared in the step four after uniformly stirring, sequentially adding the antirust agent, the antifoaming agent, the antioxidant and the preservative weighed in the step one after fully stirring, fully stirring until the solution is uniform, wherein the rotating speed of the pneumatic stirrer is 1000-2500r/min, the stirring time is 3-5h, the working temperature is 80-100 ℃, preparing a semi-finished lubricating oil product, and cooling to room temperature for later use;
in the sixth step, the semi-finished product lubricating oil cooled to room temperature in the fifth step is stirred for the second time by a pneumatic stirrer, and the time for stirring for the second time is 1-2 hours, so that all the components are fully mixed;
in the seventh step, the semi-finished product of the lubricating oil after the secondary stirring in the sixth step is placed into a sealed tank body, and then is kept stand for 2-3d at normal temperature and normal pressure;
in the eighth step, the semi-finished product of the lubricating oil after standing in the seventh step is sequentially filtered by filter bags with the diameters of 10 microns and 1 micron, and the finished product of the lubricating oil is obtained for later use after filtering;
and in the ninth step, the finished product lubricating oil filtered in the eighth step is packaged in bottles and then is put into a warehouse for storage.
The lubricating oils obtained in the above examples were compared and the results are shown in the following table:
compared with the prior art, the invention has the following beneficial effects: the invention utilizes the mixture of the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene to prepare the buffer solution, the buffer solution is added into the lubricating oil, the viscosity of the lubricating oil is greatly increased, the buffer performance of the lubricating oil is favorably improved, the damage caused by impact when objects move relatively is greatly reduced, meanwhile, the freezing point of the lubricating oil is reduced, the low-temperature performance of the lubricating oil is favorably improved, the mixed solution is prepared by mixing the di-n-butyl phosphite and the vulcanized lard oil, the buffer solution is added into the lubricating oil, the lubricating effect of the lubricating oil under high load is favorably improved, the wear resistance of the lubricating oil is improved, the lubricating effect is favorably improved, in addition, the base oil and the semi-finished product are respectively filtered in the preparation process, the impurities and the particles are fully removed, the purity of the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A lubricating oil with good lubricating and buffering effects comprises the following components in percentage by weight: base oil, antirust agent, antifoaming agent, antioxidant, preservative, sulfurized lard, di-n-butyl phosphite, polymethyl methacrylate long-chain fatty alcohol ester and low molecular polybutene, and is characterized in that: the weight parts of the components are respectively as follows: 150 parts of base oil 130, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of long-chain fatty alcohol polymethacrylate and 1-2 parts of low-molecular polybutene.
2. A preparation method of lubricating oil with good lubricating and buffering effects comprises the following steps of firstly, proportioning and weighing; step two, filtering and removing impurities; step three, preparing a mixed solution; step four, buffer solution preparation; step five, heating and stirring; step six, stirring for the second time; step seven, sealing and standing; step eight, secondary filtration; step nine, packaging and warehousing; the method is characterized in that:
in the first step, respectively weighing 130-150 parts of base oil, 2-6 parts of antirust agent, 0.05-2 parts of antifoaming agent, 2-4 parts of antioxidant, 1-2 parts of preservative, 0.5-2 parts of vulcanized lard, 0.5-2 parts of di-n-butyl phosphite, 1-2 parts of polymethyl methacrylate long-chain fatty alcohol ester and 1-2 parts of low-molecular polybutene according to the parts by weight of the components;
in the second step, the base oil weighed in the first step is filtered by filter bags of 10 micrometers and 1 micrometer in sequence for later use;
in the third step, the di-n-butyl phosphite and the vulcanized lard weighed in the first step are put into a stirring kettle and stirred while being heated until the two raw materials are fully mixed to prepare a mixed solution for later use;
adding the long-chain fatty alcohol polymethacrylate and the low-molecular polybutene weighed in the step one into a closed stirring tank, heating and stirring, fully mixing the two raw materials, standing for 1-2 hours, and filtering to prepare a buffer solution for later use;
taking a pneumatic stirrer, putting the base oil filtered in the step two into the pneumatic stirrer, heating and stirring simultaneously, adding the mixed solution prepared in the step three into the pneumatic stirrer, adding the buffer solution prepared in the step four after uniformly stirring, sequentially adding the antirust agent, the antifoaming agent, the antioxidant and the preservative weighed in the step one after fully stirring, fully stirring until the solution is uniform, preparing a semi-finished lubricating oil product, and cooling to room temperature for later use;
in the sixth step, the semi-finished product lubricating oil cooled to room temperature in the fifth step is secondarily stirred by a pneumatic stirrer, so that all the components are fully mixed;
in the seventh step, the semi-finished product of the lubricating oil after the secondary stirring in the sixth step is placed into a sealed tank body, and then is kept stand for 2-3d at normal temperature and normal pressure;
in the eighth step, the semi-finished product of the lubricating oil after standing in the seventh step is sequentially filtered by filter bags with the diameters of 10 microns and 1 micron, and the finished product of the lubricating oil is obtained for later use after filtering;
and in the ninth step, the finished product lubricating oil filtered in the eighth step is packaged in bottles and then is put into a warehouse for storage.
3. The lubricant oil with good lubricating and buffering effects as claimed in claim 1, wherein: the base oil is a medium viscosity mineral base oil.
4. The method for preparing lubricating oil with good lubricating and buffering effects according to claim 2, wherein the lubricating oil is prepared by the following steps: in the third step, the rotating speed of the stirring kettle is 350-500r/min, the stirring time is 30-60min, and the internal working temperature of the stirring kettle is 60-80 ℃.
5. The method for preparing lubricating oil with good lubricating and buffering effects according to claim 2, wherein the lubricating oil is prepared by the following steps: in the fourth step, the rotating speed of the stirring tank is 400-700r/min, the stirring time is 40-60min, and the working temperature is 40-60 ℃.
6. The method for preparing lubricating oil with good lubricating and buffering effects according to claim 2, wherein the lubricating oil is prepared by the following steps: in the fifth step, the rotating speed of the pneumatic stirrer is 1000-2500r/min, the stirring time is 3-5h, and the working temperature is 80-100 ℃.
7. The method for preparing lubricating oil with good lubricating and buffering effects according to claim 2, wherein the lubricating oil is prepared by the following steps: in the sixth step, the time for the secondary stirring is 1-2 h.
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