CN113444563A - Internal combustion engine oil for crawler-type tank and preparation method thereof - Google Patents
Internal combustion engine oil for crawler-type tank and preparation method thereof Download PDFInfo
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
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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
- 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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- 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
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
- C10M2219/089—Overbased salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
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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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10N2030/04—Detergent property or dispersant property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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Abstract
The invention provides internal combustion engine oil for a crawler-type tank and a preparation method thereof, and belongs to the technical field of vehicle engine lubricating oil. The internal combustion engine oil is prepared from the following raw materials in parts by weight: 80.0-92.0 parts of base oil, 0.8-1.2 parts of metal detergent, 2.3-5.5 parts of ashless dispersant, 0.7-2.1 parts of zinc alkyl dithiophosphate, 0.1-0.54 part of nano multi-effect friction agent, 0.05-0.3 part of alkyl diphenylamine, 2.3-5.8 parts of viscosity index improver and 0.3-0.8 part of pour point depressant. The internal combustion engine oil obtained by the invention is a novel lubricating material prepared on the basis of a nano material, and is especially the internal combustion engine oil which has the advantages of outstanding abrasion resistance, good fuel economy, long oil change period, ultralow tail gas emission and capability of effectively reducing the friction loss of an engine.
Description
Technical Field
The invention relates to the technical field of vehicle engine lubricating oil, in particular to internal combustion engine oil for a crawler-type tank and a preparation method thereof.
Background
At present, the tank engine is mainly developed towards the direction of high power, and a foundation is laid for the development of the high-power engine under the condition of the help of a high-temperature lubricating technology. For a tank engine, in the actual operation process of the system, components such as a piston, a cylinder sleeve and a valve are influenced by high temperature and friction, and the performance of the components is inevitably damaged. In order to promote the engine to operate efficiently, the pores between the cylinder sleeve and the piston ring should be reduced as much as possible, so as to reduce the influence of the frictional resistance on the operating efficiency of the engine. In this case, a good lubrication condition is required in the system to prevent the occurrence of a failure such as seizure of a member, which may hinder the operation of the engine. When the piston component operates, the temperature of the inner wall of the cylinder sleeve and the temperature of the piston ring at the top dead center are obviously increased, and the high-temperature lubrication technology needs to be adopted for the component, so that the selection and application of a lubricating material are ensured to meet the requirement of a high-temperature environment. For a water cooled engine, the piston member will operate with a top dead center temperature below 240 ℃, but in an air cooled engine this position will experience a greater temperature rise and will be directly proportional to the engine output. When the high-temperature lubricant is used, the oxidation condition, the thermal stability condition and the like under the high-temperature environment need to be fully considered so as to ensure the effective application of the high-temperature lubrication technology.
The traditional lubricating oil is mainly based on common petroleum, can achieve better oxidation characteristic and thermal stability at about 200 ℃, and the lubricating oil can not meet the operation requirement of a modern tank engine system, so that the research of the lubricating oil at the present stage is mainly changed into synthetic lubricating oil. High temperature lubricating oils used in engine systems need to have the following characteristics: firstly, precipitated impurities are not easy to form; secondly, the oxidation stability and the thermal stability can be kept under the high-temperature environment; thirdly, the volatility of the lubricating oil is low; fourthly, the viscosity characteristic is required to be better; fifthly, no corrosion effect is generated on engine components.
Tank as one of important military vehicles, should pay attention to the improvement of anti-deposition performance and oxidation stability when designing its engine, synthetic lubricating oil will be more used for lubricating protection of engine oil. Synthetic oils have excellent low temperature fluidity, outstanding high temperature oxidation resistance and greater wear resistance than mineral oils. The viscosity change of the synthetic lubricating oil is slightly influenced by temperature, and the synthetic lubricating oil can flow under the low-temperature condition and also can keep proper viscosity in the high-temperature environment, so that the abrasion of an engine is reduced, and the service life of the engine is prolonged. In addition, the synthetic lubricating oil has high refining purity, is not easy to be oxidized and decomposed to generate oil sludge and carbon deposit under the continuous high-temperature operation of an engine, and has longer oil change period.
The advance of nanotechnology also brings new research fields to the development of lubricating oil additives. The nano material has interface and surface effect, quantum size effect, small size effect and macroscopic quantum tunneling effect, exists in the form of nano particles or nano films on the friction surface, and has good lubricating property and antifriction property. The novel lubricating material prepared on the basis of the nano material is applied to a friction theory, is one of important research fields of nano science, and can play a role in resisting wear and reducing friction in a mode different from that of the traditional additive. The traditional lubricating oil is difficult to satisfy the lubrication under the harsh conditions of long time, high temperature, high load and the like, and particularly the in-situ dynamic self-repairing of the surface of a friction pair can not be realized, so that the development of novel high-efficiency antifriction self-repairing life-prolonging materials and technologies is urgently needed. The nano material has the special performance, so that the nano material has obvious effects of reducing the friction coefficient of the material, improving the wear resistance of the material and realizing the self-repairing performance of the material. Therefore, the nano material is used for lubricating the surface of a mechanical part, and has potential application prospects in the aspects of improving friction and wear, further prolonging the service life of the mechanical part, improving the maneuvering performance and the like.
Disclosure of Invention
The invention aims to provide the internal combustion engine oil for the crawler-type tank, which meets the requirements of the tank engine on the characteristics of good heat dissipation, small friction coefficient, continuous action and the like, and has the advantages of outstanding wear resistance and friction reduction performance, good fuel economy and long oil change period.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides internal combustion engine oil for a crawler-type tank, which is prepared from the following raw materials in parts by weight:
further, the base oil is obtained by compounding poly-alpha-olefin and diester, and the compounding mass ratio is 70-76: 10 to 16.
Further, the alpha-olefin comprises one or more of Durasyn 166, Durasyn 168, and Durasyn 180I.
Further, the diester contains a1021 and/or a1022 supplied by shanghai chess, lubricating materials, ltd.
Further, the metal detergent comprises high-base-number calcium alkyl salicylate and/or high-base-number sulfurized calcium alkyl phenate.
Further, the ashless dispersant comprises high molecular polyisobutylene succinimide T154 and/or high molecular polyisobutylene succinimide T154B.
Further, the nano-scale multi-effect friction agent comprises one or more of a nano boron ceramic friction modifier, a nano boric acid friction modifier and nano calcium hexadecylborate.
Further, the viscosity index improver is hydrogenated ethylene propylene isoprene SVM5 supplied by BPT corporation, usa.
Further, the pour point depressant comprises alkyl naphthalene T801 and/or poly alpha olefin pour point depressant T803B.
The invention provides a preparation method of internal combustion engine oil for a crawler-type tank, which comprises the following steps:
1) preheating base oil, and then adding pour point depressant, viscosity index improver, zinc alkyl dithiophosphate, alkyl diphenylamine, metal detergent and ashless dispersant to mix to obtain mixed oil;
2) mixing the nano-scale multi-effect friction agent with the mixed oil to obtain the finished oil.
Further, the preheating temperature of the base oil is 55-65 ℃.
Further, in the step 1), the mixing speed of the mixed oil is 400-600 r/min, and the mixing time is 30-45 min.
Further, in the step 2), the mixing speed of the finished oil is 500-800 r/min, and the mixing time is 40-50 min.
The invention has the beneficial effects that:
1. the poly-alpha-olefin (PAO) and diester are compounded to prepare the synthetic (PAO) base oil, so that the synthetic (PAO) base oil has excellent viscosity-temperature characteristics, high viscosity index, good high-temperature oxidation resistance and low-temperature fluidity, small volatilization loss, effectively prolonged timeliness of oil products, certain biodegradability and reduced harm to the environment.
2. The nano-scale multi-effect friction modifier is added, so that a high-strength oil film can be formed with lubricating oil, the abrasion is reduced under the condition of high load, the extreme pressure property of base oil is increased, the bearing capacity is improved, and the abrasion is reduced.
3. The addition of the high-base-number metal detergent and the high-molecular ashless dispersant has excellent high-temperature and low-temperature detergency, can obviously improve the acid neutralization capacity of the engine oil, and effectively inhibits the generation of oil sludge and carbon deposit in an engine.
Detailed Description
The invention provides internal combustion engine oil for a crawler-type tank, which is prepared from the following raw materials in parts by weight:
in the invention, the addition amount of the base oil is 80.0-92.0 parts by weight, preferably 83.0-90.0 parts by weight, and more preferably 85.0-88.0 parts by weight; in the invention, the base oil is obtained by compounding poly-alpha-olefin and diester, and the compounding mass ratio is 70-76: 10-16, preferably 72-75: 12 to 15, and more preferably 73 to 74: 13 to 14.
In the present invention, the alpha-olefin comprises one or more of Durasyn 166, Durasyn 168, and Durasyn 180I, preferably Durasyn 166 and/or Durasyn 180I.
In the present invention, the diester comprises a1021 and/or a1022, preferably a1022, provided by shanghai chess & lubricating materials ltd.
In the invention, the addition amount of the metal detergent is 0.8-1.2 parts by weight, preferably 0.9-1.1 parts by weight, and more preferably 1.0 part by weight; in the present invention, the metal detergent comprises high base number calcium alkyl salicylate and/or high base number calcium sulfurized alkyl phenate, preferably high base number calcium alkyl salicylate.
In the invention, the addition amount of the ashless dispersant is 2.3-5.5 parts by weight, preferably 2.5-5.0 parts by weight, and more preferably 3.0-4.5 parts by weight; in the present invention, the ashless dispersant comprises a high molecular polyisobutylene succinimide T154 and/or a high molecular polyisobutylene succinimide T154B, preferably a high molecular polyisobutylene succinimide T154.
In the present invention, the zinc alkyldithiophosphate is added in an amount of 0.7 to 2.1 parts by weight, preferably 1.0 to 2.0 parts by weight, and more preferably 1.5 parts by weight.
In the invention, the addition amount of the nano-scale multi-effect friction agent is 0.1-0.54 part by weight, preferably 0.2-0.4 part by weight, and further preferably 0.3 part by weight; in the invention, the nano-scale multi-effect friction agent comprises one or more of a nano boron ceramic friction modifier, a nano boric acid friction modifier and nano calcium hexadecylborate, and preferably is the nano boric acid friction modifier.
In the invention, the addition amount of the alkyl diphenylamine is 0.05-0.3 part by weight, preferably 0.1-0.25 part by weight, and more preferably 0.2 part by weight.
In the invention, the addition amount of the viscosity index improver is 2.3-5.8 parts by weight, preferably 2.5-5.5 parts by weight, and more preferably 3.0-5.0 parts by weight; in the present invention, the viscosity index improver is a hydrogenated ethylene propylene isoprene SVM5 supplied by BPT corporation, usa.
In the invention, the addition amount of the pour point depressant is 0.3-0.8 part by weight, preferably 0.4-0.7 part by weight, and more preferably 0.5-0.6 part by weight; in the present invention, the pour point depressant comprises alkylnaphthalene T801 and/or polyalphaolefin pour point depressant T803B, preferably alkylnaphthalene T801.
The invention provides a preparation method of internal combustion engine oil for a crawler-type tank, which comprises the following steps:
1) preheating base oil, and then adding pour point depressant, viscosity index improver, zinc alkyl dithiophosphate, alkyl diphenylamine, metal detergent and ashless dispersant to mix to obtain mixed oil;
2) mixing the nano-scale multi-effect friction agent with the mixed oil to obtain the finished oil.
In the invention, the preheating temperature of the base oil is 55-65 ℃, preferably 57-62 ℃, and further preferably 60 ℃.
In the invention, in the step 1), the mixing speed of the mixed oil is 400-600 r/min, and the mixing time is 30-45 min; preferably, the mixing speed is 450-550 r/min, and the mixing time is 35-42 min; more preferably, the rotation speed of mixing is 500r/min and the mixing time is 40 min.
In the invention, in the step 2), the nano-scale multi-effect friction agent and the mixed oil are mixed and then are still kept for 0.5-1.5 hours, preferably 1.0 hour.
In the invention, in the step 2), the mixing speed of the finished oil is 500-800 r/min, and the mixing time is 40-50 min; preferably, the mixing speed is 600-700 r/min, and the mixing time is 42-48 min; more preferably, the rotation speed of mixing is 650r/min and the mixing time is 45 min.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
Putting 43 parts of poly alpha-olefin Durasyn 166, 29 parts of Durasyn 180I and 13 parts of diester A1021 synthetic base oil into a reaction kettle according to the weight part ratio, starting stirring, and heating to 65 ℃; sequentially adding 0.4 part of T801, 5.5 parts of SVM5, 2.3 parts of zinc alkyl dithiophosphate, 0.3 part of alkyl diphenylamine, 1.2 parts of high-base-number calcium alkyl salicylate T115B and 3.0 parts of T154, and stirring and uniformly mixing at the rotating speed of 500 r/min; 2.3 parts of nano boron ceramic friction modifier is added, and the original temperature is kept at the rotating speed of 600r/min to continue stirring for 40 minutes; pumping to a storage tank and standing for 1 hour to obtain a finished product 1. The physical and chemical properties of the finished product 1 are shown in the following table 2.
Example 2
According to the weight part ratio, 46 parts of poly alpha-olefin Durasyn 166, 30 parts of Durasyn 180I and 12 parts of diester A1022 synthetic base oil are put into a reaction kettle, stirred and heated to 65 ℃; sequentially adding 0.3 part of T801, 5.5 parts of SVM5, 1.8 parts of zinc alkyl dithiophosphate, 0.2 part of alkyl diphenylamine, 0.9 part of high-base-number sulfurized calcium alkyl phenolate T115B and 1.7 parts of T154, and stirring and uniformly mixing at the rotating speed of 500 r/min; 1.6 parts of nano calcium hexadecylborate is added, and the original temperature is kept at the rotating speed of 600r/min to continue stirring for 40 minutes; pumping to a storage tank and standing for 1 hour to obtain a finished product 2. The physical and chemical properties of the finished product 2 are shown in the following table 2.
Example 3
Putting 44 parts of poly alpha-olefin Durasyn 166, 28 parts of Durasyn 180I and 15 parts of diester A1022 synthetic base oil into a reaction kettle according to the weight part ratio, starting stirring, and heating to 60 ℃; sequentially adding 0.58 part of T801, 6.4 parts of SVM5, 2.2 parts of zinc alkyl dithiophosphate, 0.2 part of alkyl diphenylamine, 1.2 parts of high-base-number sulfurized calcium alkyl phenolate T115B and 3.0 parts of T154, and stirring and uniformly mixing at the rotating speed of 500 r/min; 0.42 part of nano boric acid friction modifier is added, and the original temperature is kept at the rotating speed of 600r/min to continue stirring for 40 minutes; pumping to a storage tank and standing for 1 hour to obtain a finished product 3. The physical and chemical properties of the finished product 3 are shown in the following table 2.
Comparative example 1
The same procedure as in example 2 was followed, except that nano calcium hexadecylborate was not added, to obtain a finished oil 4.
TABLE 1 technical indices of main raw materials
TABLE 2 results of testing physical and chemical properties of product oils 1-3 and simulation bench test
The four-ball machine simulation test shows that after the nanoscale friction modifier is added, the friction coefficient can be obviously reduced, the wear resistance of the engine oil is improved, and the fuel economy of the engine oil is effectively improved. The test results of comparative example 1 and example 2 are shown in table 3 below:
TABLE 3
The embodiment can know that the internal combustion engine oil for the crawler-type tank and the preparation method thereof are provided, the internal combustion engine oil can reduce the internal friction resistance of a system and has a positive influence on the stable running of the tank, and the nano material has the special performance, so that the internal combustion engine oil has remarkable effects of reducing the friction coefficient of the material, improving the wear resistance of the material and realizing the self-repairing performance of the material. Therefore, the nano material is used for lubricating the surface of a mechanical part, and has potential application prospects in the aspects of improving friction and wear, further prolonging the service life of the mechanical part, improving the maneuvering performance and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The internal combustion engine oil for the crawler-type tank is characterized by being prepared from the following raw materials in parts by weight:
2. the internal combustion engine oil according to claim 1, wherein the base oil is obtained by compounding poly-alpha-olefin and diester, and the mass ratio of the compounded product is 70-76: 10-16;
the alpha-olefin comprises one or more of Durasyn 166, Durasyn 168 and Durasyn 180I;
the diester contains A1021 and/or A1022 supplied by Shanghai chess, lubricating materials, Inc.
3. The internal combustion engine oil of claim 2, wherein the metal detergent comprises a high base number calcium alkyl salicylate and/or a high base number calcium sulfurized alkyl phenate.
4. The internal combustion engine oil of claim 3, wherein the ashless dispersant comprises polymeric polyisobutylene succinimide T154 and/or polymeric polyisobutylene succinimide T154B.
5. The internal combustion engine oil of claim 4, wherein the nano-scale multi-effect friction agent comprises one or more of a nano boron ceramic friction modifier, a nano boric acid friction modifier, and nano calcium hexadecylborate.
6. The engine oil of claim 5, wherein the viscosity index improver is a hydrogenated ethylene propylene isoprene SVM5 available from BPT corporation, usa;
the pour point depressant comprises alkyl naphthalene T801 and/or poly alpha olefin pour point depressant T803B.
7. A method for preparing the internal combustion engine oil for the crawler-type tank as set forth in any one of claims 1 to 6, characterized by comprising the steps of:
1) preheating base oil, and then adding pour point depressant, viscosity index improver, zinc alkyl dithiophosphate, alkyl diphenylamine, metal detergent and ashless dispersant to mix to obtain mixed oil;
2) mixing the nano-scale multi-effect friction agent with the mixed oil to obtain the finished oil.
8. The preparation method according to claim 7, wherein the preheating temperature of the base oil is 55-65 ℃.
9. The method according to claim 8, wherein the mixing oil is mixed in step 1) at a rotation speed of 400 to 600r/min for 30 to 45 min.
10. The preparation method of claim 9, wherein in the step 2), the rotation speed of the mixing of the finished oil is 500-800 r/min, and the mixing time is 40-50 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114507558A (en) * | 2022-02-17 | 2022-05-17 | 福建黑狮润滑油有限公司 | Fully-synthetic anti-combustion rolling lubricating internal combustion engine oil special for warships and preparation method thereof |
Citations (7)
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