CN103113965B - Extreme-pressure steam turbine oil - Google Patents

Extreme-pressure steam turbine oil Download PDF

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CN103113965B
CN103113965B CN201310066580.XA CN201310066580A CN103113965B CN 103113965 B CN103113965 B CN 103113965B CN 201310066580 A CN201310066580 A CN 201310066580A CN 103113965 B CN103113965 B CN 103113965B
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CN103113965A (en
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胡瑶
惠进德
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Suzhou Huifeng lubricating material Co., Ltd.
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SUZHOU HUIFENG LUBRICANT CO Ltd
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Abstract

The invention discloses extreme-pressure steam turbine oil. The steam turbine oil is mainly composed of base oil and additives, wherein the base oil is mainly composed of mineral oil, alcohol ester and poly(alkylene) glycol, and the additives of alkylated diphenylamine and/or phosphite ester, macromolecular hindered phenol, sulphur phosphoester, sulphur phosphate, benzotriazole amine salt, benzotriazole derivative, dodecenylsuccinic acid (ester), the tetrapolyoxy trimethylene derivative of amine, and siloxane composite are added. The extreme-pressure steam turbine oil is great in comprehensive performances including foaming resistance, water dispersibility, air release performance, detergency and filterability, especially excellent in extreme-pressure wear resistance, thermo-oxidative stability and oil sludge control and dispersion capacity, and capable of greatly meeting the lubricating needs of modern gas turbines and large combined cycle steam turbine units with extreme-pressure requirements.

Description

Extreme pressure turbine oil
Technical field
The present invention relates to a kind of lubricating oil composition, be particularly applicable to have industry gas turbine, Large Gas-Steam Combined Cycle circulatory turbine machine, speed governing transmission gear box and turbo-compressor group etc. lubricated of extreme pressure demand.
Background technology
Along with the develop rapidly of China's power industry, high-parameters large scale computer consist of various places electrical network backbone, there is the internal combustion turbine of the advantages such as efficiency is high, lightweight, compact construction, maneuverability and further improved the combustion gas of thermo-efficiency, the generating set of Steam Combined Cycle accounts for major portion in newly-increased generating set installed capacity.Internal combustion turbine installed power is larger, tank design is less, oil circulation speed is fast, and in operational process, oil temperature is higher, the highest in the temperature at bearing place, can reach more than 260 ℃, add under the many factors such as existence of pressure, contact condition and water, oil product very easily deterioration by oxidation, gear apparatus is lubricated causes not interlock, the lighter to generate greasy filth damage equipment, shorten oil product and machinery equipment work-ing life, the severe one accident setting off an explosion that results in blockage also has generation.Therefore, for internal combustion turbine and combination circulation steam turbine group, use oil product except need have good anti-bubble, point water-based, air release property, detergency, filterableness etc., its high-temperature oxidation stability, greasy filth detergent-dispersant performance, extreme pressure anti-wear are even more important.And domestic gas turbine power generation is started late, although device fabrication nationalization at present, but equipment manufacturing technology mostly is importing technology, the joint mode of many employings, therefore being mainly foreign technology company with oil requires to determine, oil product used mainly relies on import, and domestic each manufacturer mainly produces the antirust turbine oil of antioxygen that is suitable for common steam turbine.Therefore carrying out the development that is applicable to internal combustion turbine and combination circulation steam turbine, extreme pressure combustion gas oil that oxidation stability is good is very important.
In industry, generally believe and adopt ASTM D943 method test turbine oil oxidation life and actual service condition to have good corresponding relation, rotary oxygen bomb test also has good reference role to extreme pressure gas turbine oil, has also increased the high-temperature oxidation stability test of extreme pressure gas turbine oil to various metals in the new turbine oil standard of promulgating for 2011.High the reaching more than 10000 hours of ASTM D943 oxidation life of the antirust turbine oil of antioxygen of international most advanced level at present, extreme pressure gas turbine oil affects oil product work-ing life, increases greasy filth and generate etc. owing to containing the meeting such as extreme pressure anti-wear additives, emulsion splitter, and ASTM D943 oxidation life can shorten to below 8000 hours greatly.
The formula of domestic and international published turbine oil is existing many at present, as: publication number is CN1251859A, name is called in the Chinese patent of the turbine oil with excellent high temperature oxidation stability, the very base oil of low sulfur content and high saturates content of a kind of use is disclosed, add alkylated diphenylamine and/or nonox, blue female and at least one rust-preventive agent of olefine sulfide and/or sulfide aliphatic acid and/or ash-free dithiocarbamates and/or curing alkyl autumn, demonstrate superior oxidative stability, and for turbine oil with get rusty and the use of thickened oil provides sufficient corrosion protection effect and controlled sludge effect.But amines additives is in providing good oxidation-resistance, and itself more easily produces greasy filth, though further extend oxidation induction period with the composite use of vulcanizing agent, can increase the weight of greasy filth generation, reunion situation, this is extremely disadvantageous to turbine oil.
Publication number is CN1415710A, name is called in a kind of Chinese patent of long lifetime steam turbine lubricating oil composition and discloses a kind of long-acting long lifetime turbine oil for common steam turbine, not only there is outstanding antioxidant property, also there is rustless property, the oil oxidation life-span was up to about 9000 hours, but this oil product only has the antirust effect of antioxygen, there is no the effect of extreme-pressure anti-wear, and is only suitable in common steam turbine.
Publication number is CN101240212A, name is called in a kind of Chinese patent of combination circulation steam turbine lubricating oil composition and discloses a kind of combination circulation steam turbine lubricating oil composition that large-scale combustion and steam combination circulation steam turbine group is used that is applicable to, but only address anti-oxidative stability from additive aspect, suppress the problems such as greasy filth generation and extreme boundary lubrication, the base oil that uses still for II, III class mineral base oil, and the performance of lubricating oil is mainly to be determined by used base oil, additive only plays booster action, therefore, this lubricating oil can not meet the service requirements in internal combustion turbine.
Summary of the invention
The object of this invention is to provide a kind of have good greasy filth control, dispersive ability, the lubricating oil composition of excellent high-temperature oxidation stability, extreme boundary lubrication, resistance to rust and corrosion, anti-bubble, point water-based, can meet the lubrication needs of industry gas turbine, Large Gas-Steam Combined Cycle circulatory turbine machine, speed governing transmission gear box and the turbo-compressor group etc. with extreme pressure demand.
For achieving the above object, the present invention has adopted following technical scheme: a kind of extreme pressure turbine oil, and its component and content by heavy per-cent are:
Alkylated diphenylamine and/or phosphorous acid ester 0.1%~0.8%;
Shielding phenol 0.1%~0.6%;
Sulphur phosphoesterase 30 .3%~1.2%;
Sulfate-phosphate 0.01%~0.5%;
124 Triazole amine salt 0.1%~1%;
124 Triazole derivative 0.02%~0.8%;
Dodecenylsuccinic acid (ester) 0.02%~0.5%;
The oxozone trimethylene derivative of amine and/or polyethers macromolecular compound 0.01%~0.1%,
Silicone composite 0.005%~0.05%, and
Base oil is surplus.
Wherein, described alkylated diphenylamine and/or phosphorous acid ester, shielding phenol are composite antioxidant, and wherein alkylated diphenylamine and phosphorous acid ester can use wherein one or both compound uses, and total amount is 0.1%~0.8%.
Described shielding phenol is a kind of macromolecular compound, and this compound not only has the antioxygen characteristic that common phenols has, can also be high temperature resistant, and be at high temperature difficult for decomposing, continue performance antioxygen effectiveness, be particularly suitable for the hot environment of internal combustion turbine.
Described polymer shielding phenol oxidation inhibitor need with alkylated diphenylamine and/or the composite use of phosphite antioxidant, further extend the oil oxidation induction life-span, and contribute to the dispersion of greasy filth.Polymer shielding phenol total amount is 0.1%~0.6%, with alkylated diphenylamine and/or phosphorous acid ester composite be 1:0.2~7 by weight proportion.
Described sulphur phosphoric acid ester, sulfate-phosphate, 124 Triazole amine salt are extreme pressure anti-wear additives, and composite use total amount is no more than 1.5%.
Described 124 Triazole derivative is metal passivator.
Described dodecenylsuccinic acid (ester) is rust-preventive agent.
The oxozone trimethylene derivative of described amine and/or polyethers macromolecular compound are emulsion splitter.
Described silicone composite is kilfoam.
Described base oil is that sulphur content is less than or equal to 0.03%, saturation ratio is more than or equal to 90% II class hydrogenated base oil and the mixture of V class synthetic oil, and wherein V class synthetic base oil is the mixture of a kind of polyalkylene glycol or polyalkylene glycol and alcohol ester.
Described polyalkylene glycol and alcohol ester are 0~5 by weight proportion.
The part by weight of described V class synthetic base oil and II class hydrogenated base oil is 0.05~2.
Postscript, the material that the oxozone trimethylene derivative of aforesaid alkylated diphenylamine, phosphorous acid ester, shield phenol type antioxidant, sulfate-phosphate, 124 Triazole amine salt, 124 Triazole derivative, dodecenylsuccinic acid, dodecenylsuccinic acid, amine, polyethers macromolecular compound, silicone composite etc. all can select this area to commonly use, and can obtain by the approach such as commercially available.
For example, this butyl pentanoic, dibutyl pentanoic, octyl diphenylamine, dioctyl diphenylamine, nonyl diphenylamine, phenyl-a-naphthylamine etc. can be selected and be not limited to aforesaid alkyl diphenylamines, it can be chosen as the western Neil ST-57 of Chemical Industry Science Co., Ltd of oil of SPC, vapour bar L57, the Ying Rui L751 etc. that speeds, the ADPA in the sky, Danyang etc.
Aforementioned phosphorous acid ester can be selected but be not limited to tricresyl phosphate (2,4-di-tert-butyl-phenyl) ester, has the pentaerythrite diphosphate ester that high heat resistance and polymer quantize.
Aforementioned shield phenol type antioxidant can be selected but be not limited to 2,6-di-tert-butylphenol, and 2,6 ditertiary butyl p cresol etc. also can adopt the western Neil of oil of SPC Chemical Industry Science Co., Ltd to produce or the blue corresponding product of producing that refines.
The corresponding product that aforementioned sulfate-phosphate can select vapour bar to produce.
The corresponding product that aforementioned 124 Triazole amine salt can select Shenyang Hua Lun oil product Chemical Co., Ltd. to produce.
The corresponding product that aforementioned 124 Triazole derivative can select Wangcheng, Changsha petrochemical complex company limited to produce.
The corresponding product that aforementioned dodecenylsuccinic acid can select chemical plant, Lvshun to produce.
The oxozone trimethylene derivative of amine and/or polyethers macromolecular compound are can be purchased from Jinzhou emerging etc.
Silicone composite can be purchased from thinking quick oil product etc.
For meeting the harsher environment for use of gas turbine oil, conventionally oxidation inhibitor, anti-wear agent, extreme pressure agent, rust-preventive agent, sanitas etc. can be added in base oil, so that it reaches service requirements, increases the service life.But the oxidation inhibitor of higher amount easily produces the problem of dissolving difficulty, formation sludge, increasing greasy filth generation trend; If extreme pressure anti-wear additives is in increasing the extreme boundary lubrication performance of oil product, its stronger polarity easily causes oil oxidation, emulsification, formation corrosion; Rust-preventive agent, emulsion splitter, in the rust-preventing characteristic providing, breakdown of emulsion, can affect antioxygen, the extreme boundary lubrication of oil product.For reducing mutually pining down between each additive, the present invention meticulously selects suitable ashless additive, strictly controls additive amount, the proportioning that fine equilibrium is each dose, meeting in oil product use properties situation, reduce the use of additive as far as possible, extreme pressure anti-wear additives is no more than 1.5% by total amount, and each additive total amount is no more than 3%.
Because the properties of lubricating oil is mainly determined by base oil, additive just has auxiliary, enhancement.Another main purpose of the present invention is from base oil, by base oil science is arranged in pairs or groups, and the over-all properties of Integral lifting extreme pressure gas turbine oil.Polyalkylene glycol itself contained in base oil of the present invention has good oxidation stability, extreme pressure property and rust-preventing characteristic, there is water to exist and also can show good lubricity, its carbon deposit and greasy filth controllability, peace and quiet dispersive ability are especially outstanding, generation that can inhibited oxidation greasy filth, make the greasy filth that generates loose, disperse; The alcohol ester using, except having good thermal oxidation stability and lubricity, can increase the solubility property of greasy filth carbon deposit, makes greasy filth be difficult for deposition.In addition, the entirety that adds of V class synthetic base oil has improved the viscosity index of lubricating oil product, makes it under higher use temperature, still keep suitable viscosity, and enough lubricated, cooling effects are provided.
Compared with prior art, the invention has the beneficial effects as follows:
The first, each additive of detailed balance, scientific matching, gives full play to its effectiveness adding in less, the lower-cost situation of agent total amount, makes oil product have the excellent properties such as excellent thermal oxidation stability, extreme pressure anti-wear, antirust, anti-corrosive, breakdown of emulsion;
The second, through reasonably combined base oil, cooperatively interact and further greatly promote oil product over-all properties with additive;
Three, the polyalkylene glycol in base oil and alcohol ester have excellent sludge inhibiting, dispersing property and lubricity, well solve the problem that common turbine oil particularly easily generates greasy filth in gas turbine oil, made oil product there is greasy filth and generate the little feature of trend.
The present invention adopts sulphur content to be less than or equal to 0.03%, saturation ratio is more than or equal to 90% II class hydrogenation mineral oil and a kind of polyalkylene glycol V class synthetic oil with splendid greasy filth control, dispersing property as base oil, add the more additive formula of science, the extreme pressure gas turbine oil of developing has excellent greasy filth control, dispersive ability.And except having the characteristic that excellent extreme pressure and antiwear behavior and the antirust turbine oil of common antioxygen require, especially there is splendid thermal oxidation stability and greasy filth and generate controllability.ASTM D943 oxidation life test exceedes 20000 hours, and after test, oil conditions is obviously better than an external line contrast oil product, and the more shallow and greasy filth of color disperses; Rotary oxygen bomb exceedes 1800min, the more external line contrast oil product much less of the appended greasy filth carbon deposit of copper band after test, and surface is still brighter; Outstanding extreme boundary lubrication performance, last non seizure load exceedes 980N, and FZG is greater than 12 grades.
Embodiment
Following examples 1 to embodiment 3 provide preferably component and content proportion of extreme pressure turbine oil of the present invention, are respectively:
Embodiment 1:
Figure GDA0000472868750000061
Figure GDA0000472868750000071
Embodiment 2:
Figure GDA0000472868750000072
Embodiment 3:
Figure GDA0000472868750000073
In surplus base oil:
Polyalkylene glycol 20%
II class hydrogenation mineral oil 90%
And physicochemical property contrast gas turbine oil and commercially available GB11120L-TGSE and another oil sample of each embodiment extreme pressure is as shown in table 1 below.
Table 1: embodiment physicochemical property evaluation
Figure GDA0000472868750000082
Figure GDA0000472868750000101
It should be noted that; although technology contents of the present invention and technical characterictic have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present invention and announcements and are done all replacement and modifications that does not deviate from spirit of the present invention; therefore; protection domain of the present invention should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present invention and modifications, and contained by present patent application claim.

Claims (4)

1. an extreme pressure turbine oil, it is characterized in that, formed by the following component of calculating according to weight percent: oxidation inhibitor 0.1%~1.2%, extreme pressure anti-wear additives≤1.5%, metal passivator 0.02%~0.8%, rust-preventive agent 0.02%~0.5%, emulsion splitter 0.01%~0.1%, kilfoam 0.005%~0.05%, rest part is base oil, wherein:
Described oxidation inhibitor is by the shielding phenol of the composite use of weight ratio of 1:0.2~7 and alkylated diphenylamine and/or phosphorous acid ester;
Described extreme pressure anti-wear additives is sulphur phosphoric acid ester, sulfate-phosphate and the 124 Triazole amine salt of composite use;
Described metal passivator is 124 Triazole derivative;
Described rust-preventive agent is dodecenylsuccinic acid;
Described base oil is that sulphur content is less than or equal to 0.03%, and saturation ratio is more than or equal to 90% II class hydrogenated base oil and V class synthetic base oil, and the part by weight of described V class synthetic base oil and II class hydrogenated base oil is 1:0.5~5;
Described V class synthetic base oil is the mixture of polyalkylene glycol or polyalkylene glycol and alcohol ester, and the part by weight of described polyalkylene glycol and alcohol ester is 0.1~2:1.
2. extreme pressure turbine oil according to claim 1, is characterized in that, the oxozone trimethylene derivative that described emulsion splitter is amine and/or polyethers macromolecular compound.
3. extreme pressure turbine oil according to claim 1, is characterized in that, described kilfoam is silicone composite.
4. an extreme pressure turbine oil, is characterized in that, is made up of the following component of calculating according to weight percent:
Alkylated diphenylamine and/or phosphorous acid ester 0.1%~0.8%;
Shielding phenol 0.1%~0.6%;
Sulphur phosphoesterase 30 .3%~1.2%;
Sulfate-phosphate 0.01%~0.5%;
124 Triazole amine salt 0.1%~1%;
124 Triazole derivative 0.02%~0.8%;
Dodecenylsuccinic acid 0.02%~0.5%;
The oxozone trimethylene derivative of amine and/or polyethers macromolecular compound 0.01%~0.1%,
Silicone composite 0.005%~0.05%,
All the other are for comprising base oil, wherein:
The weight ratio of described shielding phenol and alkylated diphenylamine and/or phosphorous acid ester is 1:0.2~7;
Described base oil is that sulphur content is less than or equal to 0.03%, and saturation ratio is more than or equal to 90% II class hydrogenated base oil and V class synthetic base oil, and the part by weight of described V class synthetic base oil and II class hydrogenated base oil is 1:0.5~5;
Described V class synthetic base oil is the mixture of polyalkylene glycol or polyalkylene glycol and alcohol ester, and the part by weight of described polyalkylene glycol and alcohol ester is 0.1~2:1.
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CN105623786B (en) * 2014-10-28 2018-05-18 中国石油化工股份有限公司 Turbine oil composition and the method for improving steam turbine oil performance
CN105623790B (en) * 2014-10-28 2018-05-18 中国石油化工股份有限公司 Turbine oil composition and the method for improving steam turbine oil performance
CN105713701B (en) * 2014-12-05 2018-10-16 中国石油天然气股份有限公司 Compositions of additives for steam turbine lubricating oil
CN104651026B (en) * 2015-02-02 2017-10-20 鞍山海华油脂化学有限公司 A kind of anti-coking type turbine oil and preparation method thereof
CN107418677A (en) * 2017-05-12 2017-12-01 广西大学 A kind of environment-friendly extreme-pressure anti-wear fire-resistant turbine oil composition
CN107418675A (en) * 2017-05-12 2017-12-01 广西大学 A kind of environment-friendly fire-resistant turbine oil composition
CN111575094A (en) * 2020-05-27 2020-08-25 中国石油化工股份有限公司 Gas turbine oil composition, preparation method and application thereof
CN112646634A (en) * 2020-12-23 2021-04-13 大唐东北电力试验研究院有限公司 Use method of antioxidant for prolonging service life of steam turbine oil for power plant

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JP3567279B2 (en) * 1993-12-15 2004-09-22 ビーピー エクスポレーション アンド オイル インコーポレーテッド Lubricant composition containing polymeric antioxidant
CN101245281A (en) * 2008-03-25 2008-08-20 中国石油化工股份有限公司 Turbine lubricant oil with extreme pressure highly resistance oxidation susceptibility
CN101724487A (en) * 2008-10-15 2010-06-09 中国石油天然气股份有限公司 Composition for anti-ammonia turbine oil
CN102260576B (en) * 2011-07-08 2014-02-05 苏州惠丰润滑油有限公司 Steam turbine oil

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