CN103937588A - Operating oil composition for digital hydraulic system - Google Patents
Operating oil composition for digital hydraulic system Download PDFInfo
- Publication number
- CN103937588A CN103937588A CN201410190191.2A CN201410190191A CN103937588A CN 103937588 A CN103937588 A CN 103937588A CN 201410190191 A CN201410190191 A CN 201410190191A CN 103937588 A CN103937588 A CN 103937588A
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- CN
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- Prior art keywords
- favorable
- hydraulic system
- oil composition
- digital hydraulic
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 19
- -1 trimethylolpropane ester Chemical class 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 239000002199 base oil Substances 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims abstract description 3
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000002148 esters Chemical class 0.000 claims description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- 240000000528 Ricinus communis Species 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- SJTOTXNQRUESGY-KVVVOXFISA-N (z)-octadec-9-enoic acid;oxalic acid Chemical compound OC(=O)C(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O SJTOTXNQRUESGY-KVVVOXFISA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- KEQFTVQCIQJIQW-UHFFFAOYSA-N N-Phenyl-2-naphthylamine Chemical compound C=1C=C2C=CC=CC2=CC=1NC1=CC=CC=C1 KEQFTVQCIQJIQW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 239000012964 benzotriazole Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims description 2
- 239000010696 ester oil Substances 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 2
- XLXGCFTYXICXJF-UHFFFAOYSA-N ethylsilicon Chemical compound CC[Si] XLXGCFTYXICXJF-UHFFFAOYSA-N 0.000 claims description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 claims description 2
- 239000001384 succinic acid Substances 0.000 claims description 2
- 229960002317 succinimide Drugs 0.000 claims description 2
- 238000005987 sulfurization reaction Methods 0.000 claims description 2
- 150000003852 triazoles Chemical class 0.000 claims description 2
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000003566 sealing material Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 15
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000003254 anti-foaming effect Effects 0.000 abstract 1
- 239000007866 anti-wear additive Substances 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000001970 hydrokinetic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention discloses an operating oil composition for a digital hydraulic system. Polyinternalolefins, trimethylolpropane ester and castor-base dioctyl sebacate are compounded as base oil and matched with a plurality of composite additives, including antiwear additive, rust inhibitor, dispersant, antioxidant, antifoam agent, demulsifying compound, metal passivator, friction improver, oily agent and the like. The operating oil composition has the advantages of proper viscosity, favorable viscosity-temperature characteristic, favorable shear stability, favorable lubricating property, favorable cooling property, favorable antirust property, favorable adaptability with sealing materials, favorable antifoaming property, favorable filtering property, favorable low-temperature fluidity, favorable emulsion resistance, favorable cleanness, favorable air release characteristic, favorable thermal oxidation stability, favorable hydrolytic stability, favorable extreme pressure abrasion resistance and the like.
Description
Technical field
The invention belongs to working medium field in digital hydraulic system, particularly a kind of digital hydraulic system working oil composition.
Background technology
Digital hydraulic system is exactly by the power element of hydraulic pressure terminal---and hydro-cylinder and oil motor Direct Digital, the fluctuating signal that the pulse signal sending by reception digitial controller and computer send, realizes reliabilization work.Conventionally digital hydraulic component comprises Numeric hydraulic cylinder, digital hydraulic motor, digital valve and digital pump.Hydrodynamic force has benefited from the fast development of control techniques and microprocessor, and the computing velocity of Millisecond makes hydrokinetic real-time control become possibility; In addition, use control algolithm technology also only to need the position signal differential detecting by feedback, just can, in low cost situation, obtain speed and acceleration information.Further developing of microprocessor promoted valve and electronically controlled structure-integrated, in distributed intelligence application, can pass through the Controlling System communications exchange parameters of certain fieldbus and equipment etc.The integrated promotion intelligent actuator of multi-purpose product, hydro-pump and motor.Further, just by electronic technology, whole hydraulic efficiency system is taken into account, just formed the hydraulic control system with full work state monitoring function, can carry out trouble diagnosis by monitoring sensor, judge wearing and tearing, leakage, friction etc.Here it is digital hydraulic system.Accurate, sensitive for transmission ofenergy is accomplished, equipment operation and control is in optimum efficiency, and this just proposes higher requirement to the use properties of digital hydraulic work system oil.It should have suitable viscosity, good viscosity-temperature characteristics, shear stability, oilness, cooling, rust-preventing characteristic, the adaptability with sealing material, anti-bubble, filterableness, low-temperature fluidity, resistance to emulsion, spatter property, air release characteristics, thermal oxidation stability, hydrolysis stability, extreme pressure anti-wear etc.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of suitable viscosity that has, the digital hydraulic system working oil composition of good viscosity-temperature characteristics, shear stability, oilness, cooling, rust-preventing characteristic, the adaptability with sealing material, anti-bubble, filterableness, low-temperature fluidity, resistance to emulsion, spatter property, air release characteristics, thermal oxidation stability, hydrolysis stability, extreme pressure anti-wear.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of digital hydraulic system working oil composition, adopts poly-internal olefin, trihydroxymethylpropanyl ester and castor-oil plant base dioctyl sebacate compound as base oil, coordinates multiple composite additive, and the mass percent of its each component is:
| Component | Mass percent content |
| Base oil | Surplus |
| Oxidation inhibitor | 2.0％～5.0％ |
| Anti-wear agent | 3.0％～5.0％ |
| Rust-preventive agent | 0.5％～2.0％ |
| Metal passivator | 2.0％～3.0％ |
| Dispersion agent | 2.0％～4.0％ |
| Kilfoam | 0.001％～0.005％ |
| Non-emulsifying agent | 0.5％～1.0％ |
| Friction improver | 3.0％～5.0％ |
| Oiliness improver | 0.5％～1.0％ |
The mass percent summation of each component is 100% above.
Base oil is that poly-internal olefin, 35%～20% trihydroxymethylpropanyl ester and 25%～20% castor-oil plant base dioctyl sebacate of mass ratio 40%～60% is compound, and the mass percent summation of three components is 100%.
Oxidation inhibitor is 2 of mass ratio 50%～30%, and 6-di-t-butyl mixed ester and 50%～70% N-Phenyl beta naphthylamine are compound.
Anti-wear agent is that triethyl phosphate and 50%～30% the amino sulfuration ester of mass ratio 50%～70% is compound.
Rust-preventive agent is that alkenyl succinic acid half ester and 40%～20% the benzotriazole of mass ratio 60%～80% is compound.
Metal passivator is the 124 Triazole derivative of mass ratio 60%～50% and 40%～50% N, and the sub-Whitfield's ointment propylene diamine of N-bis-is compound.
Dispersion agent is boronation polyisobutylene-bis-succinimide.
Kilfoam is that ethyl silicon oil and 40%～50% acrylate and the ether copolymer T912 defoamer of mass ratio 60%～50% is compound.
Non-emulsifying agent is oxyethane propane block polyether.
Friction improver is that oleic acid oxalic acid ester and 60%～80% the phosphoric acid ester of mass ratio 40%～20% is compound; Oiliness improver is 124 Triazole lipid acid amine salt.
Remarkable advantage of the present invention is: have suitable viscosity, good viscosity-temperature characteristics, shear stability, oilness, cooling, rust-preventing characteristic, the adaptability with sealing material, anti-bubble, filterableness, low-temperature fluidity, resistance to emulsion, spatter property, air release characteristics, thermal oxidation stability, hydrolysis stability, extreme pressure anti-wear etc.
Embodiment
Embodiment 1:
Each component of following mass percent is in harmonious proportion and is formed:
Embodiment 2:
Each component of following mass percent is in harmonious proportion and is formed:
Embodiment 3:
Following mass percent is in harmonious proportion and is formed:
The key technical indexes of embodiment 2 products
| Project | Quality index |
| Moisture, % is not more than | Nothing |
| 40 DEG C of kinematic viscosity mm 2/s | 22.5 |
| Flash-point (opening) DEG C, is greater than | 232 |
| Mechanical impurity, % is not more than | Nothing |
| Last non seizure load (P b), Kg is not less than | 93 |
| Pour point, DEG C, not higher than | -30 |
| Water soluble acid or alkali | Nothing |
| Corrosion test (copper sheet, 100 DEG C, 3h), level | 1 |
| Viscosity index, is not less than | 130 |
| Air release value (50 DEG C), min, is not more than | 6 |
| Rubber seal adaptation index, %, is not more than | 14 |
| Resistance to emulsion (40-37-3ml), min,, is not more than by 54 DEG C | 30 |
Claims (10)
1. a digital hydraulic system working oil composition, is characterized in that adopting poly-internal olefin, trihydroxymethylpropanyl ester and castor-oil plant base dioctyl sebacate compound as base oil, coordinates multiple composite additive, and the mass percent of its each component is:
The mass percent summation of each component is 100% above.
2. a kind of digital hydraulic system working oil composition according to claim 1, it is characterized in that base oil is that poly-internal olefin, 35%～20% trihydroxymethylpropanyl ester and 25%～20% castor-oil plant base dioctyl sebacate of mass ratio 40%～60% is compound, the mass percent summation of each component is 100%.
3. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that oxidation inhibitor is 2 of mass ratio 50%～30%, and 6-di-t-butyl mixed ester and 50%～70% N-Phenyl beta naphthylamine are compound.
4. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that anti-wear agent is that triethyl phosphate and 50%～30% the amino sulfuration ester of mass ratio 50%～70% is compound.
5. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that rust-preventive agent is that alkenyl succinic acid half ester and 40%～20% the benzotriazole of mass ratio 60%～80% is compound.
6. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that metal passivator is the 124 Triazole derivative of mass ratio 60%～50% and 40%～50% N, and the sub-Whitfield's ointment propylene diamine of N-bis-is compound.
7. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that dispersion agent is boronation polyisobutylene-bis-succinimide.
8. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that, kilfoam is that ethyl silicon oil and 40%～50% acrylate and the ether copolymer T912 defoamer of mass ratio 60%～50% is compound.
9. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that non-emulsifying agent is oxyethane propane block polyether.
10. a kind of digital hydraulic system working oil composition according to claim 1, is characterized in that friction improver is that oleic acid oxalic acid ester and 60%～80% the phosphoric acid ester of mass ratio 40%～20% is compound; Oiliness improver is 124 Triazole lipid acid amine salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190191.2A CN103937588B (en) | 2014-05-07 | 2014-05-07 | A kind of digital hydraulic system working oil composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190191.2A CN103937588B (en) | 2014-05-07 | 2014-05-07 | A kind of digital hydraulic system working oil composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103937588A true CN103937588A (en) | 2014-07-23 |
| CN103937588B CN103937588B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190191.2A Expired - Fee Related CN103937588B (en) | 2014-05-07 | 2014-05-07 | A kind of digital hydraulic system working oil composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103937588B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104450075A (en) * | 2014-11-17 | 2015-03-25 | 广西大学 | Castor-based ashless lubricating agent composition for hydraulic system in wind power generation equipment |
| CN104962342A (en) * | 2015-06-05 | 2015-10-07 | 广西大学 | Environment-friendly operating fluid composition for track-controllable retarder |
| CN105062631A (en) * | 2015-07-20 | 2015-11-18 | 广西大学 | Lubricant composition for open rotor engine |
| CN105062639A (en) * | 2015-08-11 | 2015-11-18 | 广西大学 | Castor based composition applicable to hydraulic system working solution under cryogenic working condition |
| CN105132093A (en) * | 2015-07-20 | 2015-12-09 | 广西大学 | Tantalum bar material rotary swaging lubricant composition |
| CN105820860A (en) * | 2016-03-24 | 2016-08-03 | 黄毅 | Energy-saving engineering machinery hydraulic oil and preparation method thereof |
| CN107189847A (en) * | 2017-07-14 | 2017-09-22 | 武汉诺通润滑科技有限公司 | A kind of non-zinc anti-wear hydraulic oils |
| CN108291170A (en) * | 2015-11-24 | 2018-07-17 | 国际壳牌研究有限公司 | The method that air for improving lubricating oil discharges |
| CN109913307A (en) * | 2019-04-25 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of silicone oil type compressor oil composition of high rust resistance and preparation method thereof |
| CN114133917A (en) * | 2020-09-04 | 2022-03-04 | 中国石油化工股份有限公司 | Heat conduction oil composition with biodegradability and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812355A (en) * | 2009-12-18 | 2010-08-25 | 益田润石（北京）化工有限公司 | Novel synthetic fire-resistant hydraulic oil composition |
| CN102492525A (en) * | 2011-11-15 | 2012-06-13 | 徐州希弗重工科技有限公司 | Hydraulic oil additive combination and preparation method thereof |
-
2014
- 2014-05-07 CN CN201410190191.2A patent/CN103937588B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812355A (en) * | 2009-12-18 | 2010-08-25 | 益田润石（北京）化工有限公司 | Novel synthetic fire-resistant hydraulic oil composition |
| CN102492525A (en) * | 2011-11-15 | 2012-06-13 | 徐州希弗重工科技有限公司 | Hydraulic oil additive combination and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104450075A (en) * | 2014-11-17 | 2015-03-25 | 广西大学 | Castor-based ashless lubricating agent composition for hydraulic system in wind power generation equipment |
| CN104962342A (en) * | 2015-06-05 | 2015-10-07 | 广西大学 | Environment-friendly operating fluid composition for track-controllable retarder |
| CN104962342B (en) * | 2015-06-05 | 2018-04-24 | 广西大学 | Environmental-friendly track controllable wagon retarders working fluid composite |
| CN105062631A (en) * | 2015-07-20 | 2015-11-18 | 广西大学 | Lubricant composition for open rotor engine |
| CN105132093A (en) * | 2015-07-20 | 2015-12-09 | 广西大学 | Tantalum bar material rotary swaging lubricant composition |
| CN105062639A (en) * | 2015-08-11 | 2015-11-18 | 广西大学 | Castor based composition applicable to hydraulic system working solution under cryogenic working condition |
| CN108291170A (en) * | 2015-11-24 | 2018-07-17 | 国际壳牌研究有限公司 | The method that air for improving lubricating oil discharges |
| CN105820860A (en) * | 2016-03-24 | 2016-08-03 | 黄毅 | Energy-saving engineering machinery hydraulic oil and preparation method thereof |
| CN105820860B (en) * | 2016-03-24 | 2019-01-04 | 广州吉盛润滑科技有限公司 | A kind of energy conservation project mechanical-hydraulic oil and preparation method thereof |
| CN107189847A (en) * | 2017-07-14 | 2017-09-22 | 武汉诺通润滑科技有限公司 | A kind of non-zinc anti-wear hydraulic oils |
| CN109913307A (en) * | 2019-04-25 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of silicone oil type compressor oil composition of high rust resistance and preparation method thereof |
| CN114133917A (en) * | 2020-09-04 | 2022-03-04 | 中国石油化工股份有限公司 | Heat conduction oil composition with biodegradability and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN103937588B (en) | 2016-01-20 |
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