CN109054967A - A kind of fan yaw pitch variable bearings lubricating grease component and preparation method - Google Patents
A kind of fan yaw pitch variable bearings lubricating grease component and preparation method Download PDFInfo
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- CN109054967A CN109054967A CN201811181805.5A CN201811181805A CN109054967A CN 109054967 A CN109054967 A CN 109054967A CN 201811181805 A CN201811181805 A CN 201811181805A CN 109054967 A CN109054967 A CN 109054967A
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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
- C10M169/06—Mixtures of thickeners and additives
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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
-
- 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
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- 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
- C10N2030/26—Waterproofing or water resistance
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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
- C10N2040/02—Bearings
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of fan yaw pitch variable bearings lubricating grease component and preparation methods.By one third base oil, 12- hydroxy stearic acid, it is warming up to 80-90 DEG C, 10%-20% lithium hydroxide solution is added and whole calcium hydroxide solutions start to react.Temperature is controlled in 90-100 DEG C of addition binary acid；After stirring 40-50 minutes, temperature between 95-100 DEG C starts that remaining lithium hydroxide solution is added dropwise；After the reaction was completed, it is stirred and heated to 130-140 DEG C, constant temperature 60-90min；It is warming up to 150-180 DEG C, one third base oil and whole antioxidant is added, continues to be heated to 200-210 DEG C, remaining base oil is added to cool, 80 DEG C or less additions extreme pressure anti-wear additives, antirust, anticorrosive agent are cooled to, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.Lubricating grease of the present invention, has good extreme pressure property, and PD reaches 3089N.
Description
Technical field
The invention belongs to technical field of lubricating grease, it is related to a kind of fan yaw pitch variable bearings lubricating grease component and preparation side
Method.Prepared lubricating grease uses oil based on synthetic oil, and thickening agent uses composite Li-Ca soap, and is added to antioxidant, antirust
The additives such as preservative and extreme pressure anti-wear additives.The preparation of greases technique uses Directly saponification method.Wherein compatibility is excellent
Extreme pressure anti-wear additives and special antirust agent be main innovation point of the invention, make yaw pitch variable bearings lubricating grease anti-fine motion mill
Damage performance is greatly improved, and rustless property is more excellent.
Background technique
Wind Energy In China reserves are very big, distribution is wide, and only the wind energy content of land just has about 2.53 hundred million kilowatts.With the whole world
Expanding economy, wind energy market also develop rapidly.The main difficulty of wind power equipment is that unit in field answers reliability service 20
Year, withstand various exceedingly odious weather and extremely complex wind-force alternating load.So unit equipment seems very simple, it is real
Technology is very complicated on border, and the requirement to related spare and accessory parts is also higher, for PERFORMANCE OF GREASES, no matter from product design, research and development,
To production and service, it will consider more comprehensively more rationally, only difficulty be considered more, can just done better.
Wind power yawing variable-pitch bearing grease relies primarily on import at present, price costly, and the lubrication of home brands
Lipid species are various, and lubricating grease is only limited to yaw bearing or pitch variable bearings, and not formed yaw bearing and pitch variable bearings lubricating grease
Unification.And fan yaw loading ability of bearing fan blade, cooperate adjustment of blade angle, be subjected to blade rotation high torque and by
The curved torque of wind speed effect；Pitch variable bearings carry cabin, cooperate blower fan turning windward side, are subjected to high torque when low temperature, wind
The vibration that thrust generates.Therefore the fretting wear resistance property of lubricating grease is required very high.It is unified there are no being formed in existing patent
Grease product meet the needs of fan yaw pitch variable bearings, Chinese patent CN103320202A and CN106398832A simultaneously
A kind of blower variable-pitch bearing grease and preparation method thereof is provided, adds polar additive to improve the Squeezing ground of lubricating grease
Can, but polar additive is more serious to the corrosion of metal parts, and fretting wear resistance property is poor, and lubricating grease obtained only limits
In pitch variable bearings.Chinese patent CN103396863A provides a kind of fan yaw bearing grease and its production method, uses
Complex lithium is thickening agent, and adds extreme pressure antioxygen complexing agent and antirust agent, and the lubricating grease extreme pressure property and rust-preventing characteristic are preferable, but dynamic anti-
Fretting is poor, and lubricating grease obtained is only limited to yaw bearing.Lubricating grease produced by the present invention is applicable not only to variable pitch
Bearing and yaw bearing is applied also for, and fretting wear resistance property is excellent.
Fan yaw pitch variable bearings lubricating grease prepared by the present invention has excellent mechanical stability and high and low temperature
Can, guarantee blower in the stable operation of Different climate, different regions, Various Seasonal, excellent extreme pressure and antiwear behavior and outstanding
Fretting wear resistance property meets the requirement of yaw pitch variable bearings high load capacity.Good anti-water drenching and rust-preventing characteristic, protection are set
For not by the etch of external environment.The invention patent can have and answer well to using equipment to provide more reliable comprehensive protection
Use prospect.
Summary of the invention
It according to the features of fan yaw and pitch variable bearings, is affected by wind direction, the load that bearing is born is very
Greatly, and blade is very long, is easily deformed, it is therefore desirable to which lubricating grease will have excellent fretting wear resistance property.Wind power equipment collects more
In it is hot in the northeast, the Northwest and summer of winter severe cold, have a humid climate, the more coastal area of salinity in air, institute
To require lubricating grease to have excellent high and low warm nature, wind power equipment outer operation out of office is subjected to the etch of sleet, it is desirable that lubrication
Rouge will have excellent water-resistance and protective, and lubricating grease itself cannot corrode wind power equipment, also protect equipment not by extraneous ring
The etch in border.It requires lubricating grease not thinning after being subjected to shearing simultaneously, keeps necessary adhesion property.
For the above equipment feature, the present invention provides a kind of fan yaw pitch variable bearings lubricating grease components and preparation side
Method.Prepared lubricating grease uses the base oil of scientific design, meets lubricating grease to the compatible index of bearing seal material, thick
Agent uses composite Li-Ca soap, and is added to the additives such as antioxidant, antirust, anticorrosive agent and extreme pressure anti-wear additives.The lubricating grease
Preparation process uses Directly saponification method.The wherein excellent extreme pressure anti-wear additives of compatibility and special antirust agent, in metal surface
Good protective film is formed, reducing intermetallic abrasion and preventing the corrosion of metal surface is main innovation point of the invention, is made
The fretting wear resistance property of yaw pitch variable bearings lubricating grease is greatly improved, and rustless property is more excellent.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme:
The present invention relates to a kind of fan yaw pitch variable bearings lubricant compositions, based on the total weight percent of composition,
Including following components:
(1) thickening agent 5.0-20.0%；
(2) base oil 71.0-93.9%；
(3) extreme pressure anti-wear additives 0.5-5.0%；
(4) antioxidant 0.5-2.0%；
(5) antirust, anticorrosive agent 0.1-2.0%.
Thickening agent uses composite Li-Ca soap, is the ratio of 12- hydroxy stearic acid and binary acid mass ratio according to 1:1~8:1
Example, binary acid can be suberic acid, pimelic acid, adipic acid etc.；Lithium hydroxide and calcium hydroxide mass ratio according to 2:1~19:1 ratio
Example reaction is made.
Base oil is one kind or mixing of mineral oil, polyol-ester type oil, PAO synthetic oil.40 DEG C of movements of base oil are viscous
Degree is 40-600mm2/s.40 DEG C of kinematic viscosity of base oil are preferably 100-400mm2/s。
Antioxidant is amine, phenols or both mixture.Amine antioxidants be diphenylamines, naphthylamines, p-phenylenediamine wherein
It is one or two kinds of.Phenolic antioxidant is 2,6- toluene di-tert-butyl phenol, the one of which of alpha-Naphthol or two kinds.
Extreme pressure anti-wear additives are one or more of organic sulfur phosphide, organic-molybdenum salt, borate, thiadiazoles；Organic sulfur
Phosphide is one or both of thiophosphate, phosphate；Alkyl sulfur is two sulphur of butyl octyl primary alkyl for trbasic zinc phosphate
For trbasic zinc phosphate or butyl octyl secondary alkyl zinc dithiophosphate.
Antirust, anticorrosive agent is benzotriazole derivative, in barium mahogany sulfonate, dinonyl naphthalene sulfonate barium, dinonylnaphthalene sulfonic acid calcium
It is one or two kinds of.
It prepares in accordance with the following methods: by one third base oil, 12- hydroxy stearic acid, being warming up to 80-90 DEG C, be added
10%-20% lithium hydroxide solution and whole calcium hydroxide solutions start to react.Temperature is controlled in 90-100 DEG C of addition binary acid；
After stirring 40-50 minutes, temperature between 95-100 DEG C starts that remaining lithium hydroxide solution is added dropwise；After the reaction was completed, stirring adds
Heat arrives 130-140 DEG C, constant temperature 60-90min；It is warming up to 150-180 DEG C, one third base oil and whole antioxidant is added, after
It is continuous to be heated to 200-210 DEG C, remaining base oil is added and cools, it is anti-to be cooled to 80 DEG C or less addition extreme pressure anti-wear additives, antirust
Rotten agent, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Fan yaw pitch variable bearings lubricating grease of the invention has the advantage that compared with similar grease product
1) lubricating grease of the present invention, has good extreme pressure property, and PD can reach 3089N and be apparently higher than existing index
2450N, OK value can reach 267N.
2) lubricating grease of the present invention has excellent water repelling property, and after 79 DEG C, the leaching test of 1h water, mass loss is very
It is small.
3) the lubricating grease rustless property prepared by the present invention is fine, is tested using SH/T 0700, all bearings are rustless.
4) lubricating grease of the present invention has excellent fretting wear resistance property, is tested using ASTM D4170, wears
Amount is 0~1.0mg, and abrasion loss has been greater than 10.0mg in existing patent.
5) lubricating grease prepared by the present invention has good service life.
6) lubricating grease of the present invention has lower bearing operation temperature.
7) lubricating grease of the present invention can meet fan yaw bearing and variable pitch under applying working condition harsh conditions simultaneously
The lubricating requirement and protection of bearing.
Specific embodiment
The present invention passes through the more detailed description present invention of embodiment in detail below.
Steps are as follows for preparation method:
1) by one third base oil, 12- hydroxy stearic acid, it is warming up to 80-90 DEG C, 10%-20% lithium hydroxide is added
Solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 90-100 DEG C of addition binary acid；Stirring 30-40 minutes
Afterwards, temperature between 95-100 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) it after the reaction was completed, is stirred and heated to 130-140 DEG C, constant temperature 60-90min, is warming up to 150-180 DEG C, is added three
/ mono- base oil and whole antioxidant, continue to be heated to 200-210 DEG C, and remaining base oil is added and cools, is cooled to 80
DEG C or less extreme pressure anti-wear additives, antirust, anticorrosive agent are added, after mixing evenly, finished product is canned after the dispersion grinding of post-treated equipment.
Following embodiment is carried out according to above step:
Embodiment 1
Thickening agent: 250.0g, wherein 12- hydroxy stearic acid: pimelic acid mass ratio is 6:1
Alkali number 61.6g, wherein lithium hydroxide: calcium hydroxide mass ratio is 19:1
Base oil: 1660g (low-sulfur paraffin base mineral oil: 100%, 40 DEG C of kinematic viscosity of base oil: 124.5mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 40g, organic-molybdenum 20g,
Antioxidant: 2,6- toluene di-tert-butyl phenol 10g, alkylated diphenylamine 10g,
Antirust, anticorrosive agent: dinonylnaphthalene sulfonic acid calcium 10g.
1) 553g base oil, 250g thickening agent are added to reaction kettle, are warming up to 85 DEG C, 20% lithium hydroxide is added
(17.5g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 90 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 98 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 135 DEG C, constant temperature 70min after the reaction was completed, are stirred and heated to, is warming up to 170 DEG C, 553g base oil and complete is added
Portion's antioxidant continues to be heated to 210 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 2
Thickening agent: 140g, wherein 12- hydroxy stearic acid: pimelic acid mass ratio is 3:1
Alkali number 40.0g, wherein lithium hydroxide: calcium hydroxide mass ratio is 3:1
Base oil: 1740g (wherein low-sulfur paraffin base mineral oil: 70%, PAO synthetic oil: 30%, 40 DEG C of base oil movements
Viscosity: 560.5mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 30g；Tricresyl phosphate 30g；
Antioxidant: alkylated diphenylamine 20g, alpha-Naphthol 20g；
Antirust, anticorrosive agent: barium mahogany sulfonate 20g.
1) 580g base oil, 140g thickening agent are added to reaction kettle, are warming up to 87 DEG C, 15% lithium hydroxide is added
(13.0g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 92 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 95 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 130 DEG C, constant temperature 90min after the reaction was completed, are stirred and heated to, is warming up to 165 DEG C, 580g base oil and complete is added
Portion's antioxidant continues to be heated to 208 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 3
Thickening agent: 180g, wherein 12- hydroxy stearic acid: suberic acid mass ratio is 2:1
Alkali number 45.5g, wherein lithium hydroxide: calcium hydroxide mass ratio is 4:1
Base oil: 1696g (wherein low-sulfur paraffin base mineral oil: 15%, polyol-ester type oil 20%, PAO synthetic oil
65%, 40 DEG C of kinematic viscosity of base oil: 420.8mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 30g；Aminothio rouge 40g；Phosphate 20g,
Antioxidant: alkylated diphenylamine 10g；
Antirust, anticorrosive agent: barium mahogany sulfonate 10g.
1) 565g base oil, 180g thickening agent are added to reaction kettle, are warming up to 80 DEG C, 10% lithium hydroxide is added
(15.0g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 95 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 99 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 132 DEG C, constant temperature 70min after the reaction was completed, are stirred and heated to, is warming up to 180 DEG C, 565g base oil and complete is added
Portion's antioxidant continues to be heated to 200 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 4
Thickening agent: 300g, wherein 12- hydroxy stearic acid: pimelic acid mass ratio is 4:1
Alkali number 72.8g, wherein lithium hydroxide: calcium hydroxide mass ratio is 9:1
Base oil: 1520g (wherein polyol-ester type oil 45%, PAO synthetic oil 55%, 40 DEG C of kinematic viscosity of base oil:
360.1mm2/s)
Extreme pressure anti-wear additives: organic-molybdenum 60g, zinc dialkyl dithiophosphate 40g, borate 40g
Antioxidant: diphenylamines 20g, 2,6- toluene di-tert-butyl phenol 10g
Antirust, anticorrosive agent: benzotriazole 10g.
1) 507g base oil, 300g thickening agent are added to reaction kettle, are warming up to 80 DEG C, 10% lithium hydroxide is added
(21.0g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 100 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 100 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 140 DEG C, constant temperature 60min after the reaction was completed, are stirred and heated to, is warming up to 160 DEG C, 507g base oil and complete is added
Portion's antioxidant continues to be heated to 210 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 5
Thickening agent: 210g, wherein 12- hydroxy stearic acid: adipic acid mass ratio is 4:1
Alkali number 52.3g, wherein lithium hydroxide: calcium hydroxide mass ratio is 4:1
Base oil: 1706g (PAO synthetic oil 100%, 40 DEG C of kinematic viscosity of base oil: 220.8mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 30g, phosphate 10g, phosphate 4g
Antioxidant: alkylated diphenylamine 30g
Antirust, anticorrosive agent: dinonyl naphthalene sulfonate barium 10g
1) 569g base oil, 210g thickening agent are added to reaction kettle, are warming up to 90 DEG C, 20% lithium hydroxide is added
(17.0g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 98 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 99 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 131 DEG C, constant temperature 60min after the reaction was completed, are stirred and heated to, is warming up to 175 DEG C, 569g base oil and complete is added
Portion's antioxidant continues to be heated to 209 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 6
Thickening agent: 190g, wherein 12- hydroxy stearic acid: suberic acid mass ratio is 4:1
Alkali number 45.6g, wherein lithium hydroxide: calcium hydroxide mass ratio is 13:1
Base oil: 1670g (PAO synthetic oil 100%, 40 DEG C of kinematic viscosity of base oil: 40mm2/s)
Extreme pressure anti-wear additives: borate 20g；Organic-molybdenum 60g, phosphate 10g
Antioxidant: 2,6- toluene di-tert-butyl phenol 30g
Antirust, anticorrosive agent: barium mahogany sulfonate 20g
1) 557g base oil, 190g thickening agent are added to reaction kettle, are warming up to 85 DEG C, 15% lithium hydroxide is added
(15.5g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 95 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 97 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 135 DEG C, constant temperature 80min after the reaction was completed, are stirred and heated to, is warming up to 160 DEG C, 557g base oil and complete is added
Portion's antioxidant continues to be heated to 210 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 7
Thickening agent: 220g, wherein 12- hydroxy stearic acid: adipic acid mass ratio is 8:1
Alkali number 63.2g, wherein lithium hydroxide: calcium hydroxide mass ratio is 10:1
Base oil: 1700g (wherein polyol-ester type oil 20%, PAO synthetic oil 80%, 40 DEG C of kinematic viscosity of base oil:
600mm2/s)
Extreme pressure anti-wear additives: aminothio rouge 40g；Phosphate 4g；Phosphate 6g
Antioxidant: alkylated diphenylamine 20g
Antirust, anticorrosive agent: barium mahogany sulfonate 10g
1) 567g base oil, 220g thickening agent are added to reaction kettle, are warming up to 85 DEG C, 20% lithium hydroxide is added
(21.5g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 95 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 98 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 140 DEG C, constant temperature 70min after the reaction was completed, are stirred and heated to, is warming up to 155 DEG C, 567g base oil and complete is added
Portion's antioxidant continues to be heated to 205 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 8
Thickening agent: 210g, wherein 12- hydroxy stearic acid: pimelic acid mass ratio is 2:1
Alkali number 56.8g, wherein lithium hydroxide: calcium hydroxide mass ratio is 7:1
Base oil: 1700g (wherein polyol-ester type oil 60%, PAO synthetic oil 40%, 40 DEG C of kinematic viscosity of base oil:
380mm2/s)
Extreme pressure anti-wear additives: vulcanization dialkyldithiocarbamacompositions oxygen molybdenum 40g, phosphate 10g
Antioxidant: alkylated diphenylamine 20g, 2,6- toluene di-tert-butyl phenol 10g
Antirust, anticorrosive agent: benzotriazole 10g
1) 567g base oil, 210g thickening agent are added to reaction kettle, are warming up to 90 DEG C, 10% lithium hydroxide is added
(18.5g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 98 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 100 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 135 DEG C, constant temperature 75min after the reaction was completed, are stirred and heated to, is warming up to 165 DEG C, 567g base oil and complete is added
Portion's antioxidant continues to be heated to 210 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 9
Thickening agent: 240g, wherein 12- hydroxy stearic acid: suberic acid mass ratio is 4:1
Alkali number 66.8g, wherein lithium hydroxide: calcium hydroxide mass ratio is 9:1
Base oil: 1640g (wherein low-sulfur paraffin base mineral oil: 60%, PAO synthetic oil: 40%, 40 DEG C of base oil movements
Viscosity: 450.8mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 30g, organic-molybdenum 60g
Antioxidant: diphenylamines 10g, beta naphthal 10g
Antirust, anticorrosive agent: barium mahogany sulfonate 10g
1) 547g base oil, 240g thickening agent are added to reaction kettle, are warming up to 85 DEG C, 20% lithium hydroxide is added
(22.5g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 95 DEG C of addition binary acid；Stirring 35 minutes
Afterwards, temperature at 100 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 130 DEG C, constant temperature 85min after the reaction was completed, are stirred and heated to, is warming up to 175 DEG C, 547g base oil and complete is added
Portion's antioxidant continues to be heated to 208 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
Embodiment 10
Thickening agent: 170g, wherein 12- hydroxy stearic acid: adipic acid mass ratio is 8:1
Alkali number 46.8g, wherein lithium hydroxide: calcium hydroxide mass ratio is 6:1
Base oil: 1740g (wherein polyol-ester type oil 25%, PAO synthetic oil 75%, 40 DEG C of kinematic viscosity of base oil:
180mm2/s)
Extreme pressure anti-wear additives: zinc dialkyl dithiophosphate 20g, phosphate 30g
Antioxidant: alpha-Naphthol 10g, alkylated diphenylamine 10g
Antirust, anticorrosive agent: benzotriazole 20g
1) 580g base oil, 170g thickening agent are added to reaction kettle, are warming up to 90 DEG C, 10% lithium hydroxide is added
(15.3g) solution and whole calcium hydroxide solutions start to react 1h.Temperature is controlled in 95 DEG C of addition binary acid；Stirring 30 minutes
Afterwards, temperature at 98 DEG C starts that remaining lithium hydroxide solution is added dropwise；
2) 135 DEG C, constant temperature 70min after the reaction was completed, are stirred and heated to, is warming up to 160 DEG C, 580g base oil and complete is added
Portion's antioxidant continues to be heated to 210 DEG C, and remaining base oil is added and cools, is cooled to 80 DEG C of additions extreme pressure anti-wear additives, antirust
Preservative, after mixing evenly, finished product is canned after post-treated equipment dispersion grinding.
The performance test data of embodiment 1-10 see the table below
Table 1
It can be seen that the lubricating grease of embodiment 6-10 preparation shows excellent fretting wear resistance property in table, it is good anti-
Aqueous and anticorrosive property.Comply fully with the working condition of requirement and field operation of the fan yaw pitch variable bearings to fretting wear.
The foregoing is merely the preferable embodiments of the present invention, are not used as limiting practical range of the invention, thus it is all according to
The characterization step of range of the present invention, feature raw material and the equivalent variation of formula rate, should all include in Shen of the invention
It please be within the scope of the patents.
Claims (10)
1. a kind of fan yaw pitch variable bearings lubricant composition, based on the total weight percent of composition, including following components:
(1) thickening agent 5.0-20.0%；
(2) base oil 71.0-93.9%；
(3) extreme pressure anti-wear additives 0.5-5.0%；
(4) antioxidant 0.5-2.0%；
(5) antirust, anticorrosive agent 0.1-2.0%.
2. composition according to claim 1, it is characterised in that thickening agent is 12- hydroxy stearic acid, binary acid and hydrogen-oxygen
Change lithium, calcium hydroxide reaction preparation；Wherein binary acid；For suberic acid, pimelic acid or adipic acid.
3. composition according to claim 2, it is characterised in that 12- hydroxy stearic acid and binary acid mass ratio are according to 8:1
To the ratio of 1:1.
4. composition according to claim 2, it is characterised in that lithium hydroxide is arrived with calcium hydroxide mass ratio according to 2:1
The ratio of 19:1.
5. composition according to claim 1, it is characterised in that base oil is mineral oil, polyol-ester type oil, PAO synthesis
One kind or mixing of oil；40 DEG C of kinematic viscosity of base oil are 40-600mm2/s；40 DEG C of kinematic viscosity of base oil are preferably 100-
400mm2/s。
6. composition according to claim 1, feature is amine, phenols or both mixture in antioxidant；Amine is anti-
Oxygen agent is diphenylamines, naphthylamines, the one of which of p-phenylenediamine or two kinds；Phenolic antioxidant be 2,6- toluene di-tert-butyl phenol,
The one of which of alpha-Naphthol or two kinds.
7. composition according to claim 1, it is characterised in that extreme pressure anti-wear additives be organic sulfur phosphide, organic-molybdenum salt,
One or more of borate, thiadiazoles；Organic sulfur phosphide is one or both of thiophosphate, phosphate；Alkane
Base thiophosphoric acid zinc is butyl octyl primary alkyl zinc dithiophosphate or butyl octyl secondary alkyl zinc dithiophosphate.
8. composition according to claim 1, it is characterised in that antirust, anticorrosive agent be benzotriazole derivative, barium mahogany sulfonate,
One or both of dinonyl naphthalene sulfonate barium, dinonylnaphthalene sulfonic acid calcium.
9. the method for preparing fan yaw pitch variable bearings lubricating grease according to composition described in claim 1, it is characterised in that: by three
/ mono- base oil, 12- hydroxy stearic acid are warming up to 80-90 DEG C, and 10%-20% lithium hydroxide solution and whole hydrogen-oxygens is added
Change calcium solution to start to react.Temperature is controlled in 90-100 DEG C of addition binary acid；After stirring 40-50 minutes, temperature is at 95-100 DEG C
Between, start that remaining lithium hydroxide solution is added dropwise；After the reaction was completed, it is stirred and heated to 130-140 DEG C, constant temperature 60-90min；It rises
One third base oil and antioxidant is added to 150-180 DEG C in temperature, continues to be heated to 200-210 DEG C, and it is cold that remaining base oil is added
But cool down, be cooled to 80 DEG C or less additions extreme pressure anti-wear additives, antirust, anticorrosive agent, after mixing evenly, post-treated equipment dispersion is ground
Finished product is canned after mill.
10. lubricating grease described in accordance with the claim 1, it is characterized in that the lubrication for being applied to fan yaw bearing and pitch variable bearings is wanted
Summation protection.
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| CN111139119A (en) * | 2020-01-02 | 2020-05-12 | 中国石油化工股份有限公司 | Automobile constant velocity universal joint outer ball cage lubricating grease composition and preparation method thereof |
| CN112522019A (en) * | 2019-09-17 | 2021-03-19 | 中国石油化工股份有限公司 | Lubricating grease composition for bearing of fan generator and preparation method thereof |
| CN112522006A (en) * | 2019-09-17 | 2021-03-19 | 中国石油化工股份有限公司 | Composite soap-based lubricating grease composition and preparation method thereof |
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