CN103087807A - High-detergency hydraulic oil composition - Google Patents
High-detergency hydraulic oil composition Download PDFInfo
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- CN103087807A CN103087807A CN2011103453090A CN201110345309A CN103087807A CN 103087807 A CN103087807 A CN 103087807A CN 2011103453090 A CN2011103453090 A CN 2011103453090A CN 201110345309 A CN201110345309 A CN 201110345309A CN 103087807 A CN103087807 A CN 103087807A
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Abstract
The invention provides a high-detergency hydraulic oil composition. The composition comprises the following components by weight percent: base oil: 0-55 % of I-class oil and 45-100 % of II-class oil; and additives: 0.1-3 % of a PMA-type viscosity index improver, 1.0-1.6 % of an extreme pressure, clean, anti-wear complex agent, 0-0.01 % of a coagulation reducing agent, and 0-55 ppm of anti-bubble, wherein the amount of the additives is based on the amount of the base oil. The hydraulic oil composition has characteristics of wear resistance, anticorrosion, anti-oxidation and demulsification existing in traditional hydraulic oil, and further has detergency, and can reduce generation of paint film and greasy filth and maintain cleaning of the hydraulic system.
Description
Technical field
The present invention relates to a kind of lubricating oil composition, specifically, relate to a kind of high detergency hydraulic fluid compositions.
Background technology
The development trend of hydraulic efficiency system is that pressure is increasing, fuel tank is more and more less, the power density of oil product is more and more higher, the increase that the such variation of hydraulic efficiency system brings service temperature, the increase of service temperature, cause again hydraulic efficiency oil oxidation and thermal destruction, generate the products such as greasy filth or paint film.Along with the prolongation of time, the paint film of generation or greasy filth cause again the oilness variation, and the friction in valve increases, and also can cause Hydraulic Elements such as servo-valve and the proportional valve of sticking valve, especially close tolerance.The sticking valve of hydraulic efficiency system can affect the response speed of valve, the flow velocity of reduction oil.Paint film and greasy filth also cause heat-transfer effect variation, service temperature to raise (greasy filth, paint film resemble thermal insulator), in addition, also shorten the life-span of the elements such as valve, strainer, pump.
Traditional hydraulic efficiency oil is using 500 hours rear fuel tanks and Hydraulic Elements with regard to the tangible tendency that becomes paint film or greasy filth, therefore, need a kind of hydraulic efficiency oil of exploitation when having the characteristics such as conventional hydraulic oil is wear-resistant, anticorrosion, antioxygen, deemulsification, also has detergency, can reduce generating paint film and greasy filth, keep the hydraulic efficiency system cleaning.
Summary of the invention
The purpose of this invention is to provide a kind of high detergency hydraulic fluid compositions, it has detergency, can reduce to generate paint film and greasy filth, keeps the hydraulic efficiency system cleaning.
In order to realize the object of the invention, high detergency hydraulic fluid compositions of the present invention, it comprises the component of following weight percentage:
Base oil: I class oil: 0-55%,
II class oil: 45-100%,
Additive: the viscosity index improver of PMA type: 0.1-3%,
Extreme pressure, peace and quiet, antiwear recombiner: 1.0-1.6%,
Pour point depressant: 0-0.01%,
Kilfoam: 0-50ppm;
The amount of described additive is take base oil as benchmark.As follows.
Wherein, preferably,
Base oil: I class oil: 30-55%,
II class oil: 45-70%,
Additive: the viscosity index improver of PMA type: 1-3%,
Extreme pressure, peace and quiet, antiwear recombiner: 1.4-1.6%,
Pour point depressant: 0.005-0.01%,
Kilfoam: 20-50ppm.
Wherein, the viscosity index improver of PMA type is the viscosity index improver of polymethyl ester type, as LZ7720C, Viscoplex 8-200, Viscoplex 8-310 or Viscoplex 8-450 or structural formula is
Viscosity index improver.
Described extreme pressure, peace and quiet, antiwear recombiner can be selected LZ6776.It has peace and quiet, extreme-pressure anti-wear, antioxygen rust inhibition, is a kind of multifunction additive.Have excellent wear resistance, outstanding thermostability and oxidative stability, antirust and non-corrosibility and rapid water stalling characteristic.
Described pour point depressant is the pour point depressant of polymethyl ester type, as: LZ7749B, Viscoplex 1-156, Empicryl PPT148, Viscoplex 1-248 or structural formula are
R=C
6-18 pour point depressant.
Described kilfoam is composite anti-foam agent, as: T921 or 1# composite anti-foam agent.
(the conventional mineral type) technical requirements of API I class oil, its viscosity index 80～120, sulphur content＞0.03%, saturated hydrocarbon content＜90% are satisfied in the requirement of described I class oil; As 150SN, 500SN etc.
API II class oil (adopting hydrocracking or hydrogenation alienation cracking technique) technical requirements, its viscosity index 80～120, sulphur content≤0.03%, saturated hydrocarbon content＞90% are satisfied in the requirement of described II class oil; II6, II4 base oil as the production of Shanghai high bridge.
The preparation method of hydraulic fluid compositions of the present invention: with the weighing respectively of above-mentioned binder component and base oil component, control temperature between 35-50 ℃, stir and formed in 1.5-2 hour.
Hydraulic fluid compositions of the present invention selects I, II class oil as base oil, and select to add viscosity index improver, extreme pressure, peace and quiet, antiwear recombiner, the pour point depressant of PMA type and kilfoam is composite forms, make each component rational proportion, reach synergy, make it when having the characteristics such as conventional hydraulic oil is wear-resistant, anticorrosion, antioxygen, deemulsification, also have detergency, can reduce generating paint film and greasy filth, keep the hydraulic efficiency system cleaning.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The component of the hydraulic fluid compositions of the present embodiment is: 55 kilograms of I class oil, 45 kilograms of II class oil, 1 kilogram of PMA viscosity index improver, 1.4 kilograms of LZ6776,0.01 kilogram of pour point depressant, kilfoam 0.050 gram.
Wherein, I class oil adopts 150SN; The II4 base oil that II class oil adopts Shanghai Gaoqiao to produce; The viscosity index improver of PMA type adopts LZ7720C; Pour point depressant is LZ7749B; Kilfoam is the T921 composite anti-foam agent, and LZ6776 is that Lubrizol Corp. produces.
Its preparation process is: each component is mixed by said ratio, and heating makes temperature remain on 45 ℃, stirs simultaneously, and churning time is controlled at 2 hours.
Embodiment 2
The component of the hydraulic fluid compositions of the present embodiment is: 100 kilograms of II class oil, 1 kilogram of PMA viscosity index improver, 1.2 kilograms of LZ6776, kilfoam 0.050 gram.
Wherein, II class oil adopts the II6 base oil of Shanghai Gaoqiao production; The viscosity index improver of PMA type is Viscoplex 8-200; Pour point depressant is Empicryl PPT148; Kilfoam is the 1# composite anti-foam agent.
Its preparation process is: each component is mixed by said ratio, and heating makes temperature remain on 50 ℃, stirs simultaneously, and churning time is controlled at 1.5 hours.
Embodiment 3
The component of the hydraulic fluid compositions of the present embodiment is: 55 kilograms of I class oil, 45 kilograms of II class oil, 0.5 kilogram of PMA viscosity index improver, 1.0 kilograms of LZ6776,0.01 kilogram of pour point depressant, kilfoam 0.050 gram.
Wherein, I class oil adopts 500SN, the II6 base oil that II class oil adopts Shanghai Gaoqiao to produce; The viscosity index improver of PMA type is Viscoplex 8-310; Pour point depressant is Viscoplex 1-156; Kilfoam is the T921 composite anti-foam agent.
Its preparation process is: each component is mixed by said ratio, and heating makes temperature remain on 50 ℃, stirs simultaneously, and churning time is controlled at 1.5 hours.
Embodiment 4
Preparation process is with embodiment 1, and different is that the component of the hydraulic fluid compositions of the present embodiment is: 100 kilograms of II class oil, 0.5 kilogram of PMA viscosity index improver, 1.6 kilograms of LZ6776,0.005 kilogram of pour point depressant, kilfoam 0.050 gram.
Wherein, I class oil adopts 500SN, the II6 base oil that II class oil adopts Shanghai Gaoqiao to produce; The viscosity index improver of PMA type is Viscoplex 8-450; Pour point depressant is Viscoplex 1-248; Kilfoam is the T921 composite anti-foam agent.
Embodiment
Preparation process is with embodiment 1, and the content of concrete hydraulic fluid compositions sees the following form.
The test conditions of evaluating liquid force feed detergency
This test is to use the mechanical force splash under the temperature condition of regulation to the aluminum test board of heating tested oil sample, and the surface temperature of aluminium sheet is controlled in 295 ℃, 105 ℃ of oil temperatures, and the process of whole test continues 4 hours.Oil product forms paint film with of short duration contact of high temperature (295 ℃) surface of aluminum plate, by measuring the paint film on metal sheet, investigates the detergency of oil product.Test oil sample amount is 250ml.
The test-results point system: the result of coking plate coking test is marked by a digital use in image-forming apparatus software Camile DAC system, and the scope of scoring is from 0% (full blackboard) to 100% (full cleaner plate).
Conclusion:
Hydraulic fluid compositions of the present invention has high detergency, can reduce paint film and greasy filth in the generation on Hydraulic Elements surface, keeps Hydraulic Elements and hydraulic efficiency system cleaning.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements, all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (6)
1. one kind high detergency hydraulic fluid compositions, is characterized in that, it comprises the component of following weight percentage:
Base oil: I class oil: 0-55%,
II class oil: 45-100%,
Additive: the viscosity index improver of PMA type: 0.1-3%,
Extreme pressure, peace and quiet, antiwear recombiner: 1.0-1.6%,
Pour point depressant: 0-0.01%,
Kilfoam: 0-50ppm;
The amount of described additive is take base oil as benchmark.
2. high detergency hydraulic fluid compositions according to claim 1, is characterized in that, it comprises the component of following weight percentage:
Base oil: I class oil: 30-55%,
II class oil: 45-70%,
Additive: the viscosity index improver of PMA type: 1-3%,
Extreme pressure, peace and quiet, antiwear recombiner: 1.4-1.6%,
Pour point depressant: 0.005-0.01%,
Kilfoam: 20-50ppm; The amount of described additive is take base oil as benchmark.
3. method according to claim 1 and 2, is characterized in that, described extreme pressure, peace and quiet, antiwear recombiner are LZ6776.
4. method according to claim 1 and 2, is characterized in that, described PMA viscosity index improver is LZ7720C, Viscoplex 8-200, Viscoplex 8-310 or Viscoplex 8-450.
5. method according to claim 1 and 2, is characterized in that, described pour point depressant is the pour point depressant of polymethyl ester type.
6. method according to claim 1 and 2, is characterized in that, described kilfoam is composite anti-foam agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110345309.0A CN103087807B (en) | 2011-11-04 | 2011-11-04 | High-detergency hydraulic oil composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110345309.0A CN103087807B (en) | 2011-11-04 | 2011-11-04 | High-detergency hydraulic oil composition |
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| CN103087807A true CN103087807A (en) | 2013-05-08 |
| CN103087807B CN103087807B (en) | 2014-07-16 |
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| CN201110345309.0A Active CN103087807B (en) | 2011-11-04 | 2011-11-04 | High-detergency hydraulic oil composition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343035A (en) * | 2013-07-25 | 2013-10-09 | 中国石油化工股份有限公司 | Hydraulic oil composition and method for preparing same |
| CN107541319A (en) * | 2017-09-06 | 2018-01-05 | 浙江实美润滑科技有限公司 | A kind of ashless hydraulic fluid of high viscosity index (HVI) low pour point and preparation method thereof |
| CN109762636A (en) * | 2019-01-25 | 2019-05-17 | 东莞市洛加斯润滑油有限公司 | A kind of hydraulic oil |
| CN111718782A (en) * | 2020-04-24 | 2020-09-29 | 司能石油化工有限公司 | Clean long-life hydraulic oil |
| CN111718781A (en) * | 2020-04-24 | 2020-09-29 | 司能石油化工有限公司 | Clean long-life hydraulic oil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357610A (en) * | 2000-12-08 | 2002-07-10 | 刘凤梅 | Jilibao series of lubricant oil |
| CN1151243C (en) * | 2000-12-01 | 2004-05-26 | 中国石油天然气股份有限公司 | Universal oil composition for manual speed variator |
-
2011
- 2011-11-04 CN CN201110345309.0A patent/CN103087807B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151243C (en) * | 2000-12-01 | 2004-05-26 | 中国石油天然气股份有限公司 | Universal oil composition for manual speed variator |
| CN1357610A (en) * | 2000-12-08 | 2002-07-10 | 刘凤梅 | Jilibao series of lubricant oil |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343035A (en) * | 2013-07-25 | 2013-10-09 | 中国石油化工股份有限公司 | Hydraulic oil composition and method for preparing same |
| CN103343035B (en) * | 2013-07-25 | 2014-11-26 | 中国石油化工股份有限公司 | Hydraulic oil composition and method for preparing same |
| CN107541319A (en) * | 2017-09-06 | 2018-01-05 | 浙江实美润滑科技有限公司 | A kind of ashless hydraulic fluid of high viscosity index (HVI) low pour point and preparation method thereof |
| CN107541319B (en) * | 2017-09-06 | 2020-07-17 | 浙江顶嘉新材料科技有限公司 | High-viscosity-index low-pour-point ashless hydraulic oil and preparation method thereof |
| CN109762636A (en) * | 2019-01-25 | 2019-05-17 | 东莞市洛加斯润滑油有限公司 | A kind of hydraulic oil |
| CN111718782A (en) * | 2020-04-24 | 2020-09-29 | 司能石油化工有限公司 | Clean long-life hydraulic oil |
| CN111718781A (en) * | 2020-04-24 | 2020-09-29 | 司能石油化工有限公司 | Clean long-life hydraulic oil |
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| Publication number | Publication date |
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| CN103087807B (en) | 2014-07-16 |
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