CN103773574A - Industrial synthesized gear oil and preparation method thereof - Google Patents
Industrial synthesized gear oil and preparation method thereof Download PDFInfo
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- CN103773574A CN103773574A CN201310727434.7A CN201310727434A CN103773574A CN 103773574 A CN103773574 A CN 103773574A CN 201310727434 A CN201310727434 A CN 201310727434A CN 103773574 A CN103773574 A CN 103773574A
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Abstract
The invention relates to the field of lubricating oil and particularly discloses industrial synthesized gear oil and a preparation method thereof. The industrial synthesized gear oil is prepared from the following components in percentage by weight: 1.6-12.0% of composite additive bags, 0.0001-0.01% of anti-foaming agent, 70-90% of oil-soluble polyalkylene glycol and the balance of base oil. The industrial synthesized gear oil has the beneficial effects of safety in use, low volatility, good viscosity-temperature characteristic, high wear resistance, good cleaning performance, relatively strong bearing capacity, oil film strength and oil film retention capacity, relatively long drain interval, high biodegradation rate and hydrolysis stability and capability of prolonging the service life of an oil product and ensuring the normal lubrication between tooth surfaces and can be used for bevel gears, spiral bevel gears, helical gears, closed spur gears and the like under various rigorous and environment sensitive operation conditions.
Description
(1) technical field
The present invention relates to lubricating oil field, particularly a kind of compound probability gear oil and preparation method thereof.
(2) background technology
Gear is topmost transmission rig in machinery, and transmitted power scope is large, and transmission efficiency is high, can transmit motion and power between any two axles, but the radius-of-curvature of gear is little, the condition of lubricated middle formation oil film wedge is poor, each engagement of gear all needs to re-establish oil film, wear prevention.Existing Novel gearbox compact construction, size are less, require gear oil to have higher thermal oxidation stability, higher oil film strength, better heat-conductive characteristic and anti-micro-spot corrosion ability; In addition under harshness, the sensitive application environment such as ocean, water conservancy, wind-powered electricity generation, food, require gear oil to there is high environmental safety, high biodegradation character and long drain period.And in existing gear oil, also do not have a kind of gear oil can meet the requirement that harshness, the sensitive application environments such as Novel gearbox and ocean, water conservancy, wind-powered electricity generation, food need reach simultaneously.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, compound probability gear oil of provide that a kind of component is reasonable, oil film strength is high, use safety, volatility is low, viscosity-temperature characteristics can be good, fastness to wear is high, cleansing performance good, biological degradation rate is high, hydrolysis stability is high, supporting capacity is strong, extends oil product work-ing life, the drain period being grown and preparation method thereof.
The present invention is achieved through the following technical solutions:
A kind of compound probability gear oil, comprises that the component of following weight percent is made: composite additive bag 1.6～12.0%, kilfoam 0.0001～0.01%, oil soluble polyalkylene glycol 70～90%, surplus is base oil.
This compound probability gear oil, also comprises pour point depressant 0.1～0.5%.
Described composite additive bag comprises extreme pressure anti-wear additives 1.0～7.0%, oxidation inhibitor 0.5～3.0% and rust-preventive agent 0.01～0.5%.
Described extreme pressure anti-wear additives is organic sulfide extreme pressure anti-wear additives or Organophosphorous compounds extreme pressure anti-wear additives, the sags and crests of gear friction pair two metallic surfaces intermeshes, produce partial high pressure, high temperature, active sulphur or phosphorus compound and metallic surface react, generate low sulfuration or the phosphating metal solid protective membrane of shearing resistance, two metals separately, play the metallic surface of anti-skidding wearing and tearing, abrade the even effect of sintering; Described oxidation inhibitor is ashless aromatic amine oxidation inhibitor or Hinered phenols antioxidant, and resistance of oxidation is strong, can suppress oxidation of lubricating oil, reduces the generation of precipitation, paint film and greasy filth, thereby suppresses the growth of lubricating oil viscosity; Described rust-preventive agent is sulfonate (sodium sulfonate, calcium sulphonate, sulfonic acid magnesium, sulfonic acid zinc or barium sulfonate etc.), organic amine or heterogeneous ring compound; in metallic surface, dipole and the metallic surface generation electrostatic attraction due to polar molecule forms physical adsorption for it; or the molecule of absorption and the chemisorption that chemically reacts of metal; form molecule protective layer closely in metallic surface, prevent corrosion.
Described composite additive bag also comprises non-emulsifying agent 0.02～1.5%.
Described non-emulsifying agent is cithrol or ethylene oxide-propylene oxide block copolymer, be adsorbed on oil-water interface, change oil-water boundary tension force, or be adsorbed on emulsifying agent and destroy hydrophile-lyophile balance, make emulsion oily water separation in phase inversion process.
Described kilfoam is organosilicon kilfoam, is adsorbed on the film of foam with the colloidal particle form of high dispersing, by reducing the modes such as surface tension, expansion, makes film attenuation until break, and reaches the object of froth breaking.
Traditional polyethers base oil, is take oxyethane, propylene oxide, butylene oxide ring and tetrahydrofuran (THF) etc. as raw material, under catalyst action, and open loop homopolymerization or copolymerization and the simple linear polymer that makes.Oil soluble polyalkylene glycol of the present invention is not traditional oxyethane (EO) and propylene oxide (PO) homopolymerization copolymerized polymer, but the oil-soluble polymers making by block polymerization, random copolymerization, reverse block, have the following advantages: viscosity grade is extensive, viscosity index is high, high temperature performance excellence, oil film strength is high.Oil soluble polyalkylene glycol has outstanding deposition control and equipment cleaning, be not hydrolyzed, use safety, and have outstanding behaviours at the aspect such as elastomer compatibility, water absorbability, especially by alkoxylate chemical technology, improved the poor difficult problem of traditional polyethers base oil and other base oil intermiscibility.Oil soluble polyalkylene glycol also has high biological degradation rate, is a kind of environmental protection base oil of high-quality.
Described base oil is III class base oil, synthetic hydrocarbon base oil or synthetic ester base plinth oil, with the composite use of oil soluble polyalkylene glycol.
Described pour point depressant is polymethacrylate, and the wax in the time of low temperature and in oil forms eutectic and changes its shape and size, keeps oily flow capacity.
The preparation method of this compound probability gear oil, comprises the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, kilfoam, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent compound probability gear oil.
The preparation method of this compound probability gear oil, comprises the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, pour point depressant, kilfoam, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent compound probability gear oil.
The beneficial effect of compound probability gear oil of the present invention and preparation method thereof is: select the oil soluble polyalkylene glycol and the each additive that belong to V class synthetic base oil to carry out composite, give prominence to extreme pressure anti-wear, thermal oxidation stability, rust resistance and corrosion resistance and resistance to emulsion, reach balance and the unification of overall performance, use safety, volatility is low, viscosity-temperature characteristics can be good, fastness to wear is high, cleansing performance is good, supporting capacity is stronger, extend the work-ing life of oil product, there is stronger oil film strength and oil film hold facility, high reactivity feature makes oil film be adsorbed on metallic surface, in the time of High Temperature High Pressure, emit active element and metal reaction, generate eutectic, high-ductility film, guarantee normal the lubricating between the flank of tooth, also there is the longer drain period, high biological degradation rate and high hydrolysis stability, can be used for various harshnesses, conical gear under environment sensitive operational conditions, spiral bevel gear, twisted spur gear, enclosed spurn wheel etc.
(4) embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited thereto, and the preparation method in embodiment is conventional preparation method, no longer describes in detail.
Embodiment 1:(is in double centner, as follows)
This composite additive bag, wherein sulfur-bearing 27.5%, phosphorus 1.22%, nitrogen 0.9%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base plinth oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag, the kilfoam (dimethyl silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 2h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 2:
This composite additive bag, wherein sulfur-bearing 36.1%, phosphorus 1.22%, nitrogen 2.5%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base plinth oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 55 ℃ of constant temperature;
(2) the composite additive bag, the kilfoam (methyl-silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1.5h under 55 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.15MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 3:
This composite additive bag, wherein sulfur-bearing 28.0%, phosphorus 1.35%, nitrogen 0.75%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic hydrocarbon base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 50 ℃ of constant temperature;
(2) the composite additive bag, the kilfoam (methyl-silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1h under 50 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.1MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 4:
This composite additive bag, wherein sulfur-bearing 23.6%, phosphorus 1.20%, nitrogen 1.14%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic hydrocarbon base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 55 ℃ of constant temperature;
(2) the composite additive bag, the kilfoam (dimethyl silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 2h under 55 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.15MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 5:
This composite additive bag, wherein sulfur-bearing 26.2%, phosphorus 1.05%, nitrogen 1.44%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and III class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag, pour point depressant (polymethacrylate), the kilfoam (methyl-silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1.5h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 6:
This composite additive bag, wherein sulfur-bearing 26.2%, phosphorus 1.05%, nitrogen 1.44%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and III class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag, pour point depressant (polymethacrylate), the kilfoam (methyl-silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1.5h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Embodiment 7:
This composite additive bag, wherein sulfur-bearing 24.5%, phosphorus 1.12%, nitrogen 1.38%.
The preparation method of this compound probability gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and III class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag, pour point depressant (polymethacrylate), the kilfoam (methyl-silicone oil) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1.5h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, filters through the strainer that has filter bag device, obtains limpid transparent compound probability gear oil.
Compound probability gear oil of the present invention, quality scale reaches L-CKD, and viscosity grade relates to 68,100,150,220,320,460,680,1000 etc. 8, can be used for various conical gear, spiral bevel gear, twisted spur gear, enclosed spurn wheel etc.
Compared with existing conventional gear oil, compound probability gear oil of the present invention has the following advantages:
A) pour point (experimental technique ASTM D97), the pour point of compound probability gear oil of the present invention is lower 15～30 ℃ than conventional products, more adapts to extreme low temperature applied environment;
B) channel point (experimental technique SH/T0030), the channel point of compound probability gear oil of the present invention reduces by 10～30 ℃ than conventional products, turns round free and relaxed under extreme low temperature applied environment;
C) open flash point (experimental technique ASTM D92), compound probability gear oil flash of the present invention is higher 20～40 ℃ than conventional products, uses safelyr, and volatility is lower;
D) viscosity index (experimental technique ASTM D2270), compound probability gear oil of the present invention can improve 20～40, and viscosity-temperature characteristics can be better, and high-temperature viscosity rate of descent reduces by 15～30%, and high temperature oil film retentivity is better;
E) fastness to wear, adopts micro-tractive force determinator experiment, and compound probability gear oil fastness to wear of the present invention improves 20% than V class base oil formula, improves 65～85% than IV class base oil formula;
F) deposition is controlled and cleansing performance (experimental technique ASTM D2893B), and compound probability gear oil of the present invention seldom produces deposition, and acid number variation and viscosity change little, have obvious cleansing performance;
G) hydrolysis stability (experimental technique ASTM D2619), compound probability gear oil of the present invention is in retaining other IV class and V class synthetic gear oil performance, improved hydrolysis stability, especially compared with synthesizing ester product, hydrolysis stability improves 30～70%;
H) air release property (experimental technique ASTM D3427), the air release value of compound probability gear oil of the present invention is lower by 70～80% than conventional products, can greatly reduce the cavitation corrosion of oil product to gear apparatus, slows down oil product aging, extends oil product work-ing life;
I) supporting capacity (experimental technique DIN51354), the inefficacy rank of compound probability gear oil of the present invention improves 2～5 grades than conventional products, and supporting capacity is stronger, under the high sliding velocity of high temperature, provides better oil film protection to equipment;
J) overlength life cycle, the drain period of compound probability gear oil of the present invention is 1～5 times of conventional products.
Claims (10)
1. a compound probability gear oil, is characterized in that: the component that comprises following weight percent is made: composite additive bag 1.6～12.0%, kilfoam 0.0001～0.01%, oil soluble polyalkylene glycol 70～90%, surplus is base oil.
2. a kind of compound probability gear oil according to claim 1, is characterized in that: also comprise pour point depressant 0.1～0.5%.
3. a kind of compound probability gear oil according to claim 1 and 2, is characterized in that: described composite additive bag comprises extreme pressure anti-wear additives 1.0～7.0%, oxidation inhibitor 0.5～3.0% and rust-preventive agent 0.01～0.5%.
4. a kind of compound probability gear oil according to claim 3, is characterized in that: described extreme pressure anti-wear additives is organic sulfide extreme pressure anti-wear additives or Organophosphorous compounds extreme pressure anti-wear additives; Described oxidation inhibitor is ashless aromatic amine oxidation inhibitor or Hinered phenols antioxidant; Described rust-preventive agent is sulfonate, organic amine or heterogeneous ring compound.
5. a kind of compound probability gear oil according to claim 3, is characterized in that: described composite additive bag also comprises non-emulsifying agent 0.02～1.5%.
6. a kind of compound probability gear oil according to claim 5, is characterized in that: described non-emulsifying agent is cithrol or ethylene oxide-propylene oxide block copolymer.
7. a kind of compound probability gear oil according to claim 1, is characterized in that: described kilfoam is organosilicon kilfoam; Described oil soluble polyalkylene glycol is the oil-soluble polymers making by block polymerization, random copolymerization, reverse block; Described base oil is III class base oil, synthetic hydrocarbon base oil or synthetic ester base plinth oil.
8. a kind of compound probability gear oil according to claim 2, is characterized in that: described pour point depressant is polymethacrylate.
9. a preparation method for compound probability gear oil as claimed in claim 1, is characterized in that: comprise the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, kilfoam, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent compound probability gear oil.
10. a preparation method for compound probability gear oil as claimed in claim 2, is characterized in that: comprise the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, pour point depressant, kilfoam, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent compound probability gear oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310727434.7A CN103773574B (en) | 2013-12-25 | 2013-12-25 | A kind of compound probability gear oil and preparation method thereof |
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| CN201310727434.7A CN103773574B (en) | 2013-12-25 | 2013-12-25 | A kind of compound probability gear oil and preparation method thereof |
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| CN103773574A true CN103773574A (en) | 2014-05-07 |
| CN103773574B CN103773574B (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962373A (en) * | 2015-07-29 | 2015-10-07 | 温州拓宇科技有限公司 | Lubricating oil |
| CN109233960A (en) * | 2018-10-26 | 2019-01-18 | 辽宁海华科技股份有限公司 | A kind of industrial robot precision speed reduction device lubricant oil composite |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
| US20110082061A1 (en) * | 2009-10-02 | 2011-04-07 | Exxonmobil Research And Engineering Company | Alkylated naphtylene base stock lubricant formulations |
-
2013
- 2013-12-25 CN CN201310727434.7A patent/CN103773574B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
| US20110082061A1 (en) * | 2009-10-02 | 2011-04-07 | Exxonmobil Research And Engineering Company | Alkylated naphtylene base stock lubricant formulations |
Non-Patent Citations (1)
| Title |
|---|
| 韩耀坤: "油溶性PAG的性能特点及应用", 《石油商技》, no. 1, 29 February 2012 (2012-02-29) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962373A (en) * | 2015-07-29 | 2015-10-07 | 温州拓宇科技有限公司 | Lubricating oil |
| CN109233960A (en) * | 2018-10-26 | 2019-01-18 | 辽宁海华科技股份有限公司 | A kind of industrial robot precision speed reduction device lubricant oil composite |
| CN109233960B (en) * | 2018-10-26 | 2021-08-20 | 辽宁海华科技股份有限公司 | Lubricating oil composition for precision speed reducer of industrial robot |
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| CN103773574B (en) | 2016-08-31 |
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Effective date of registration: 20220711 Address after: 264006 No. 22, Wuhan street, Yantai Development Zone, Yantai area, China (Shandong) pilot Free Trade Zone, Yantai, Shandong Province Patentee after: Zhongkechuang (Shandong) new material Co.,Ltd. Address before: 264006 Kexin Industrial Park, No. 38 Tianshan Road, Yantai Development Zone, Shandong Province Patentee before: TEXAS PETROCHEM (YANTAI) Ltd. |