CN115612544A - Environment-friendly speed reducer lubricating oil and preparation method thereof - Google Patents
Environment-friendly speed reducer lubricating oil and preparation method thereof Download PDFInfo
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- CN115612544A CN115612544A CN202211262084.7A CN202211262084A CN115612544A CN 115612544 A CN115612544 A CN 115612544A CN 202211262084 A CN202211262084 A CN 202211262084A CN 115612544 A CN115612544 A CN 115612544A
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- speed reducer
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 69
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002199 base oil Substances 0.000 claims abstract description 31
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 10
- 239000003755 preservative agent Substances 0.000 claims abstract description 9
- 230000002335 preservative effect Effects 0.000 claims abstract description 9
- 239000006078 metal deactivator Substances 0.000 claims abstract description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 35
- 239000011159 matrix material Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 22
- 239000003921 oil Substances 0.000 claims description 19
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 16
- 239000000314 lubricant Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 7
- -1 polyol ester Chemical class 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 229920005862 polyol Polymers 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000013556 antirust agent Substances 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 5
- 238000004422 calculation algorithm Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000013538 functional additive Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 150000004867 thiadiazoles Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
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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
- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C60/00—Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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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
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
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- 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
- C10M2205/022—Ethene
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- 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
- C10M2205/024—Propene
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- 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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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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- 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
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/18—Anti-foaming property
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/72—Extended drain
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/76—Reduction of noise, shudder, or vibrations
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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Abstract
The application provides an environment-friendly speed reducer lubricating oil and a preparation method thereof, wherein the lubricating oil comprises 0.4-1.2% of antioxidant preservative, 0.4-1.3% of metal deactivator, 2.0-3.0% of viscosity index improver, 0.05-0.25% of antifoaming agent, 1.2-5.0% of extreme pressure antiwear agent and the balance base oil by mass percent. The technical scheme of the application effectively solves the problem that the lubricating oil of the speed reducer of the large vertical roller mill in the prior art is poor in wear resistance.
Description
Technical Field
The application relates to the technical field of lubricating oil, in particular to environment-friendly speed reducer lubricating oil and a preparation method thereof.
Background
Large vertical roll mills are generally widely used for grinding ground calcium carbonate. The equipment mainly comprises a grinding roller assembly, a grinding disc assembly, a hydraulic assembly, a transmission arm assembly, a main reducer lubricating station, a PLC (programmable logic controller) electric control cabinet and the like. Gear transmission is one of the most important transmission modes in modern mechanical meshing transmission. The gear needs special manufacturing equipment, and is high in cost, low in precision and large in noise and vibration. In practical application, the helical gear is found to be stable in transmission, and small in impact, vibration and noise, so that the helical gear is widely used in high-speed and heavy-load occasions.
The gear transmission is a transmission device with an instantaneous transmission ratio kept constant, otherwise, when a driving wheel rotates at an equal angular speed, the angular speed of a driven wheel changes at any time, so that impact, vibration and noise are caused in the gear device, the working precision of the gear transmission is influenced, and even the gear can fail prematurely. The helical gear and worm gear speed reducer adopts a motor to directly connect a first-level helical gear and a first-level worm gear for transmission, has the characteristics of large speed change range, compact structure, convenient installation and the like, can rotate in a forward and reverse direction, adopts a hard tooth surface for the helical gear, and has stable operation and large bearing capacity. In order to reduce the wear of the gears during impact, vibration and meshing, it is necessary to isolate the gears with gear lubrication oil to maintain proper operation of the gear mechanism and to extend the useful life of the gears.
Lubricating oil adopted by the reducer of the large vertical roller mill in the prior art has poor wear resistance, and the lubricated gear is easy to damage.
Disclosure of Invention
The application provides environment-friendly speed reducer lubricating oil and a preparation method thereof, and aims to solve the problem that in the prior art, the lubricating oil of a speed reducer of a large vertical roller mill is poor in wear resistance.
In order to solve the above problem, in a first aspect, the present application provides an environment-friendly speed reducer lubricating oil, where the environment-friendly speed reducer lubricating oil is, by mass:
furthermore, the solid lubricant is superfine heavy calcium carbonate powder.
Furthermore, the particle size of the superfine heavy calcium carbonate powder is between 7 and 9 μm.
According to another aspect of the application, a preparation method of the environment-friendly speed reducer lubricating oil is provided, and the preparation method comprises the following steps:
s10, determining to screen a lubricating oil formula by adopting a PCA algorithm and a fuzzy analytic hierarchy process;
s20, selecting base oil;
s30, selecting an additive;
s40, mixing the base oil and the lubricant to prepare the environment-friendly speed reducer lubricating oil.
Furthermore, the preparation method is used for screening the required lubricating oil performance so that the screening index meets the required lubricating oil performance.
Further, the base oil is composed of 50% of base oil PAO10 and 50% of polyol ester, and the above percentages are satisfied by mass.
Further, step S40 further includes:
s41, weighing the components according to a ratio, adding superfine heavy calcium carbonate into the composite base oil, dispersing by using a dispersion homogenizer, and after the powder is dispersed, heating and stirring by using a magnetic heating stirrer to obtain an oil sample;
s42, preparing 10 percent (m) of mother liquor and an oil sample from the antioxidant preservative and the metal deactivator, adding the mother liquor and the oil sample into a reaction kettle, stirring and blending for 30-60 min, wherein the blending temperature is 50-60 ℃;
s43, keeping the temperature at 50-60 ℃, sequentially adding the viscosity index improver, the antirust agent, the extreme pressure antiwear agent and the anti-foaming agent into the reaction kettle in sequence, and circularly stirring for 3-4 hours;
s44 finally filtration is carried out at a pressure of 0.1MPa to 0.2 MPa.
Further, in step S41, the rotation speed of the homogenizer is 3300r/min, and the dispersion time is 90min.
Further, in step S41, the heating temperature of the heating and stirring is 70 ℃ and the heating time is 60min.
Further, the preparation method establishes a matrix model and assigns values according to the performance:
the initial decision matrix X = [ X ] of 4-sample 7-index constructed as described above ij ] 4×7 ；
Carrying out standardization processing on the matrix X by using a formula (2); calculating a sample correlation coefficient matrix R; solving characteristic equation | R-lambada I of sample correlation coefficient array R P I =0 to obtain p eigenvalues, and using MATLAB to solve to obtain the values of a and b, where each column value of a represents one eigenvector of the matrix R, where there are 7 eigenvectors, and the diagonal element value of b represents the eigenvalue of the R matrix. The MATLAB processing results and the calculation results are as follows:
determining the principal components and selecting m principal components according to the needs, wherein the positive integer m should satisfy the minimum value of the following formula;
and (4) calculating by MATLAB, wherein m =3, namely 3 indexes are taken as main components. The feature vector, the feature value, the contribution rate and the accumulated contribution rate of the principal components are shown in the following table:
eigenvalues and eigenvectors of matrix R
Score of the first m principal components of the ith sample
Is composed of
Calculating the Total score value F of the ith sample of the principal component Total score of the sample i Is composed of
i =1,2, \8230;, n, the calculation results are shown in the table
So that 50% PAO10 and 50% NP451 are combined as the base oil of the lubricating oil according to the main component analysis results.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the technical scheme, the lubricating oil comprises base oil, an anti-oxidation preservative, a metal deactivator, a viscosity index improver, an anti-foaming agent, an extreme pressure anti-wear agent and a solid lubricant, the service cycle of the lubricating oil can be greatly prolonged by adding the solid lubricant into the base oil, the lubricating oil in the speed reducer is provided with the solid lubricant, the direct contact between gears can be avoided, and the damage probability of the speed reducer is greatly reduced. The technical scheme of the application effectively solves the problem that the lubricating oil of the speed reducer of the large vertical roller mill in the prior art is poor in wear resistance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 shows a schematic flow diagram of the method for environmentally friendly search and preparation of lubricating oil of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
As shown in fig. 1, in the environment-friendly speed reducer lubricating oil of the present embodiment, the mass percentages of the environment-friendly speed reducer lubricating oil are:
| components | Mass percent content |
| Base oil | Allowance of |
| Antioxidant preservative | 0.4％～1.2％ |
| Metal deactivator | 0.4％～1.3％ |
| Viscosity index improver | 2.0％～3.0％ |
| Anti-foaming agent | 0.05％～0.25％ |
| Extreme pressure antiwear agent | 1.2％～5.0％ |
| Rust inhibitor | 0.5％～1.0％ |
| Solid lubricant | 0.03％ |
In the technical solution of this embodiment, the solid lubricant is ultrafine ground calcium carbonate powder. The solid lubricant superfine heavy calcium carbonate powder of the material has better wear resistance and can bear larger acting force, so that the speed reducer is not easy to damage.
In the technical scheme of the embodiment, the particle size of the ultrafine ground calcium carbonate powder is between 7 μm and 9 μm. The superfine heavy calcium carbonate powder with the particle size can avoid the collision between the gears and can also play the roles of shock absorption and wear resistance.
The antioxidant preservative is prepared by mixing 2, 6-di-tert-butyl-p-cresol (T501), which is a phenolic antioxidant, and dialkyl diphenylamine (ADPA), which is an amine antioxidant, in a mass ratio of 3: 1. The addition amount is 0.4 to 1.2 percent
The metal deactivator is N, N' -di-N-butylaminomethylene benzotriazole T551 and thiadiazole derivative (T561) in a mass ratio of 1: 1, and has good rust resistance and corrosion resistance, and the addition amount is controlled to be 0.4-1.3% by mass.
The viscosity index improver is a compound of polyisobutylene (T603C) and an ethylene-propylene copolymer (T613);
the antifoaming agent is a copolymer with ether (T912).
The extreme pressure antiwear agent is formed by compounding sulfurized isobutylene and trimethyl phosphate; the optimal ratio of T321 to T306 obtained through the ratio test is as follows: the addition amount of T321 is 1.5-5.0%, and the addition amount of T306 is 0.5-1.5%.
The rust inhibitor is benzotriazole (T706).
The solid lubricant is superfine heavy calcium carbonate powder with particle size of 7-9 microns and irregular hexahedron.
According to the method, base oil PAO10 and polyol ester (NP 451) are compounded to be used as base oil of special gear oil for milling equipment, a PCA method algorithm is adopted, the functions and characteristics of various functional additives are subjected to mathematical model simulation calculation and screening in a targeted manner, and the influence of functional additives such as an extreme pressure antiwear agent, an antioxidant preservative, a metal passivator, an antirust agent, an antifoaming agent, a viscosity index improver and the like on a base oil formula is researched; finally, tests and trials on the lubricating oil of the full-formula helical gear and worm gear reducer show that: the lubricating oil has good wear resistance, oxidation resistance, corrosion resistance, rust resistance, high-temperature stability and emulsification resistance, and meanwhile, the oil change period of the lubricating oil is prolonged, the service life of the gear is prolonged, and the requirements of environment-friendly lubricating oil are met. Finally obtaining the environment-friendly lubricating oil for the helical gear turbine speed reducer.
The lubricating oil has the following advantages:
has good extreme pressure abrasion resistance, oxidation and corrosion resistance, rust resistance, thermal oxidation stability, emulsification resistance, vibration reduction and noise reduction;
the unique extreme pressure agent and the antiwear agent can reduce the scratching of the tooth surface, effectively reduce the running noise and ensure the smooth running of the gear under the working condition of heavy load or impact load;
the friction coefficient can be obviously reduced by adopting the ultrafine heavy calcium carbonate (UGCC);
due to proper adhesion and extremely low friction coefficient, the body temperature generated by the speed reducer gear during operation can be effectively reduced, and the energy consumption is reduced. The thermal stability is good, the oxidation resistance is outstanding, and the generation of various harmful oxides and oil sludge can be reduced;
under the condition that all properties are excellent, the normal operation of the large-scale vertical mill is guaranteed, the service life of oil products can be greatly prolonged, the oil change frequency is reduced, the enterprise cost is saved, and the profit margin is improved.
The biodegradation rate is more than 60 percent, and the biological degradable plastic is nontoxic to human bodies and water ecology and meets the requirement of environmental protection.
The following are some experimental data of the ratios of several ingredients in case of different mass ratios:
the first proportioning:
blending the components according to the following mass percentages:
the second formulation
Blending the components according to the following mass percentages:
and a third proportioning:
blending the components according to the following mass percentages:
the following table shows typical physicochemical indices:
watch (CN)
The performance of the environment-friendly helical gear turbine reducer lubricating oil obtained in the embodiment 1-3 for the large vertical roller mill is detected, and compared with a similar lubricating oil product, the results are as follows:
the application also provides a preparation method of the environment-friendly speed reducer lubricating oil, and the preparation method is used for preparing the environment-friendly speed reducer lubricating oil and comprises the following steps: s10, determining to screen a lubricating oil formula by adopting a PCA algorithm and a fuzzy analytic hierarchy process; s20, selecting base oil; s30, selecting an additive; s40, mixing the base oil and the lubricant to prepare the environment-friendly speed reducer lubricating oil.
The preparation method of the application starts from the performance of the required lubricating oil to carry out screening so that the screening index meets the performance of the required lubricating oil.
The base oil is formed by compounding 50% of base oil PAO10 and 50% of polyol ester, wherein the percentage is mass percentage.
Step S40 further includes:
s41, weighing the components according to a ratio, adding superfine heavy calcium carbonate into the composite base oil, dispersing by using a dispersion homogenizer, and after the powder is dispersed, heating and stirring by using a magnetic heating stirrer to obtain an oil sample;
s42, preparing 10 percent (m) of mother liquor and an oil sample from the antioxidant preservative and the metal deactivator, adding the mother liquor and the oil sample into a reaction kettle, stirring and blending for 30-60 min, wherein the blending temperature is 50-60 ℃;
s43, keeping the temperature at 50-60 ℃, sequentially adding the viscosity index improver, the antirust agent, the extreme pressure antiwear agent and the anti-foaming agent into the reaction kettle, and circularly stirring for 3-4 hours;
s44 finally filtration is carried out at a pressure of 0.1MPa to 0.2 MPa.
In step S41, the rotation speed of the homogenizer is 3300r/min, and the dispersion time is 90min.
In step S41, the mixture is heated at a heating temperature of 70 ℃ for 60min.
The preparation method establishes a matrix model and assigns values according to the performance:
initial decision matrix X = [ X ] of 4-sample 7-index constructed as described above ij ] 4×7 ；
Carrying out standardization processing on the matrix X by using a formula (2); calculating a sample correlation coefficient matrix R; solving characteristic equation | R-lambada I of sample correlation coefficient array R P I =0 to get p eigenvalues, and the values of a, b are solved by MATLAB, where each column value of a represents one eigenvector of the matrix R, where there are 7 eigenvectors, and the diagonal element value of b represents the eigenvalue of the R matrix. The MATLAB processing results and the calculation results are as follows:
determining the principal components and selecting m principal components according to the needs, wherein the positive integer m should satisfy the minimum value of the following formula;
m =3 calculated by MATLAB, namely 3 indexes are taken as main components. The feature vector, the feature value, the contribution rate and the accumulated contribution rate of the principal component are shown in the following table:
eigenvalues and eigenvectors of matrix R
Score of the first m principal components of the ith sample
Is composed of
Calculating the principal Components Total score of the sample Total score value Fi of the ith sample as
i =1,2, \8230;, n, the calculation results are shown in the table
So that 50% PAO10 and 50% NP451 are combined as the base oil of the lubricating oil according to the main component analysis results.
Comprehensive analysis of a multi-index system of lubricating oil is an effective method for improving the overall performance of the lubricating oil, and the problem that the comprehensive analysis of the multi-index system needs to reveal the weight of each index in the system is solved. In addition, once the index weight is determined, the key factors influencing the performance of the lubricating oil are known, and the correct direction can be provided for improving the performance of the lubricating oil. The PCA method starts from a given lubricating oil sample-index number matrix, and utilizes a PCA sub-model to obtain the quality sequence of the lubricating oil samples, thereby selecting the base oil meeting the performance requirements. Based on the analysis result of the main component, 50% (m) of base oil PAO10 and 50% (m) of polyol ester (NP 451) were compounded as the base oil of the grease being developed.
The characteristics of the extreme pressure antiwear agent are comprehensively considered, the sulfurized isobutylene (T321) and the tricresyl phosphate (T306) are compounded to serve as the extreme pressure antiwear agent, the sulfurized isobutylene enhances the strength and toughness of the lubricating oil protective film, and the tricresyl phosphate improves the wear resistance and friction reduction of the lubricating oil protective film. In order to determine the anti-wear and anti-friction effects of T321 and T306 under different proportions, the maximum non-seizure load and the maximum non-seizure wear scar size under different proportions are measured by an MR-S10G type lever four-ball friction tester and a CCM-600E type optical microscope. The ratio of T321 to T306 obtained through the ratio test is as follows: the addition amount of T321 is 1.5-5.0%, and the addition amount of T306 is 0.5-1.5%. According to the four-ball friction test result, when the mixture ratio of T321 to T306 is 3.
The antioxidant 2, 6-di-tert-butyl-p-cresol (T501), which is a phenolic antioxidant, and dialkyl diphenylamine (ADPA), which is an amine antioxidant, are mixed at a mass ratio of 3:1 to be selected as the antioxidant. In order to determine the optimal addition amount of the compound antioxidant, simulated oxidation tests are carried out on base oil with different addition amounts of the compound antioxidant, and the results of susceptibility tests show that: when the addition amount is 0.2 to 0.8%, the kinematic viscosity at 100 ℃ is gradually reduced, and when the addition amount is 0.8 to 2.2%, the kinematic viscosity at 100 ℃ is gradually increased. According to the results of susceptibility experiments, the addition amount is 0.4% to 1.2%.
If the oil contains metals, such as copper, iron and other alloys, the oxidation speed of the oil is accelerated, and acidic oxides, oil sludge and precipitates are generated during the use of the lubricating oil. T551 and thiadiazole derivatives (T561) are selected to be added into lubricating oil according to the mass ratio of 1: 1, so that the lubricating oil has good rust resistance and corrosion resistance, and the adding amount is controlled to be 0.4-1.3% by mass.
Because the working environment of the equipment has uncertainty, high requirements are put on the rust resistance, the anti-foaming property and the viscosity of the equipment.
During the running process of the helical gear worm gear reducer, air enters lubricating oil to cause the oil product to generate foam, and in order to inhibit the generation of foam, acrylic ester and ether copolymer (T912) are selected to be added as an anti-foaming agent. The adding amount is controlled to be 0.05 to 0.25 percent by mass fraction
In operation, air and water can enter equipment to corrode and rust the equipment, and in order to reduce the corrosion rate of the equipment and prolong the service life of the equipment, benzotriazole (T706) is selected to be added as an antirust agent. The adding amount is controlled to be 2.0 to 3.0 percent by mass.
In order to ensure that the lubricating oil has certain oil film strength in the operation process of equipment, the viscosity of oil products must meet corresponding requirements. Ethylene propylene copolymer (OCP) is selected as a viscosity index improver through viscosity increasing effect and cost performance analysis. The adding amount is controlled to be 0.5 to 1.0 percent by mass fraction.
Through comprehensive analysis of several types of common solid lubricants, a fuzzy analytic hierarchy process is applied to select ultrafine heavy calcium carbonate (UGCC) as a solid lubricant additive of the grease to be researched. The UGCC particles have good stability, lower hardness and good toughness, the particle size of the UGCC powder is about 7-9 mu m, the powder is irregular hexahedron, gullies on the contact surface can be filled and repaired more effectively, and the UGCC particles can play the wear resistance and friction reduction more effectively in cooperation with the better toughness.
UGCC can form better protection film at the contact surface, reduces the friction loss between the friction pair to reach good antifriction effect of wear-resisting. According to the test results, when the ultra-fine heavy calcium carbonate (UGCC) is added in an amount of 0.03%, the friction coefficient is remarkably reduced to about 0.027. Has excellent antifriction effect.
And finally, the biological degradation rate is measured by adopting an OECD (International organization for economic Cooperation and development) standard and is more than 60 percent, and the biological degradation rate is nontoxic to human bodies and water ecology and meets the requirement of environmental friendliness.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are 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. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The environment-friendly speed reducer lubricating oil is characterized by comprising the following components in percentage by mass:
2. The environment-friendly reducer lubricating oil according to claim 1, wherein the solid lubricant is ultrafine ground calcium carbonate powder.
3. The environment-friendly reducer lubricating oil according to claim 2, wherein the particle size of the ultrafine ground calcium carbonate powder is between 7 μm and 9 μm.
4. A method for preparing an environment-friendly speed reducer lubricating oil, which is characterized by preparing the environment-friendly speed reducer lubricating oil of any one of claims 1 to 3, and comprises the following steps:
s10, determining to screen a lubricating oil formula by adopting a PCA algorithm and a fuzzy analytic hierarchy process;
s20, selecting base oil;
s30, selecting an additive;
s40, mixing the base oil and the lubricant to prepare the environment-friendly speed reducer lubricating oil.
5. The preparation method of the environment-friendly speed reducer lubricating oil according to claim 4, wherein the preparation method is used for screening based on the performance of the required lubricating oil so that the screening index meets the performance of the required lubricating oil.
6. The method for preparing the environment-friendly reducer lubricating oil according to claim 5, wherein the base oil is formed by compounding 50% of base oil PAO10 and 50% of polyol ester, wherein the mass percentages of the base oil PAO10 and the polyol ester are satisfied.
7. The method for preparing an environment-friendly reducer lubricating oil according to claim 5, further comprising, in step S40:
s41, weighing the components according to a ratio, adding superfine ground calcium carbonate into the composite base oil, dispersing by using a dispersion homogenizer, and after the powder is dispersed, heating and stirring by using a magnetic heating stirrer to obtain an oil sample;
s42, preparing 10% (m) of mother liquor from the antioxidant preservative and the metal deactivator and adding the oil sample into a reaction kettle, stirring and blending for 30-60 min, wherein the blending temperature is 50-60 ℃;
s43, keeping the temperature at 50-60 ℃, sequentially adding the viscosity index improver, the antirust agent, the extreme pressure antiwear agent and the anti-foaming agent into the reaction kettle, and circularly stirring for 3-4 hours;
s44 finally filtration is carried out at a pressure of 0.1MPa to 0.2 MPa.
8. The preparation method of the environment-friendly speed reducer lubricating oil according to claim 7, wherein in step S41, the rotating speed of the homogenizer is 3300r/min, and the dispersion time is 90min.
9. The method for preparing the environment-friendly speed reducer lubricating oil according to claim 5, wherein the heating temperature for heating and stirring in step S41 is 70 ℃, and the heating time is 60min.
10. The method for preparing the environment-friendly speed reducer lubricating oil according to claim 4, wherein the preparation method is used for establishing a matrix model and assigning values according to the performance advantages and disadvantages:
initial decision matrix X = [ X ] of 4-sample 7-index constructed as described above ij ] 4×7 ；
Carrying out standardization processing on the matrix X by using a formula (2); calculating a sample correlation coefficient matrix R; solving characteristic equation | R-lambada I of sample correlation coefficient array R P | =0 Dep eigenvalues are solved by MATLAB to obtain a, b values, wherein each column value of a represents an eigenvector of the matrix R, and the diagonal element value of b represents the eigenvalue of the R matrix. The MATLAB processing results and the calculation results are as follows:
determining the principal components, and selecting m principal components as required, wherein the positive integer m should satisfy the minimum value of the following formula;
m =3 calculated by MATLAB, namely 3 indexes are taken as main components. The feature vector, the feature value, the contribution rate and the accumulated contribution rate of the principal components are shown in the following table:
eigenvalues and eigenvectors of matrix R
Score of the first m principal components of the ith sample
Is composed of
Calculating the Total score value F of the ith sample of the principal component Total score of the sample i Is composed of
i =1,2, \8230;, n, the calculation results are shown in the table
So that 50% PAO10 is selected and 50% NP451 is compounded as the base oil of the lubricating oil according to the main component analysis results.
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