CN102977972B - Improve the method for turbine oil operating performance - Google Patents
Improve the method for turbine oil operating performance Download PDFInfo
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- CN102977972B CN102977972B CN201110258808.6A CN201110258808A CN102977972B CN 102977972 B CN102977972 B CN 102977972B CN 201110258808 A CN201110258808 A CN 201110258808A CN 102977972 B CN102977972 B CN 102977972B
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Abstract
The present invention relates to a kind of method improving turbine oil operating performance, thinking mainly for overcoming prior art only have emulsion splitter the to improve prejudice of resistance to emulsion that turbine oil runs oil.The present invention adds the compositions of additives of 0.5 ~ 10 % by weight when turbine oil runs by adopting, described compositions of additives comprises following component with weight parts: a) rust-preventive agent of 0.05 ~ 10 part; B) technical scheme of base oil of 75 ~ 99.4 parts solves this problem preferably, can be used for the operating performance improving turbine oil.
Description
Technical field
The present invention relates to a kind of method improving turbine oil operating performance.
Background technology
Steam turbine is also turbine (Turbine), is the key equipment realizing energy transformation in generating set.The energy transformation of steam is the rotary power machinery of mechanical work by steam turbine, is one of major equipment of steam power plant.Gas turbine structure, purposes are similar to it, the hot gas power machine of to be the thermal power transfer of being carried by the gas of heat be rotating mechanical energy.Water turbine belongs to the turbomachinery in fluid machinery, is be the power machine of rotating mechanical energy the energy transformation of current.
Steam turbine comprises driving steam turbine and the large class of industrial generation steam turbine two, has power station steam turbine, industrial steam turbine and marine steam turbine by purposes difference.Steam turbine is widely used in the industrial sectors such as oil, chemical industry, metallurgy, building materials, light textile, and the field such as enterprise's private station, region cogeneration, cogeneration, waste industrialization, Gas-steam Combined Cycle.
Resistance to emulsion is an important indicator of turbine oil, represents the ability of oil product oily water separation.Steam turbine is in use inevitably intake, particularly the old unit of some Design and manufacture technics comparing differences, and flooded condition is relatively more serious, intakes, can accelerate the aging of oil product, cause equipment corrosion in oil system, destroys the continuity of oil film, causes bearing wear.Therefore the turbine oil resistance to emulsion that must have, with as soon as possible except the moisture in deoiling.
For solving the problem that in turbine oil operation, emulsion resistance is deteriorated, generally in operation oil, add emulsion splitter.The document breakdown of emulsion of the lubricating oil " and answer influence factor " openly adopts emulsion splitter can improve the demulsification resistance of lubricating oil in (Nie Shichun, lubrication and sealing, 2000,5).Openly synthesize a kind of novel emulsion splitter in document " preparation of novel steam machine oil emulsion splitter and the research of demulsibility thereof " (Li Jinlong, lubrication and sealing, 2011,1) to be applied in turbine oil and to improve resistance to emulsion.Emulsion splitter comprises polyoxyethylene polyoxypropylene block polyether, polyethylene polyamine segmented copolymer etc.These additives can solve the problem of steam turbine oil content water difficulty in operation, but for other performances of oil product, run off and cause the decline of rustless property not improve as made additive in turbine oil due to water inlet.
And rust-preventive agent, as the term suggests mainly play the effect preventing equipment corrosion, do not have data to show it and be used in operation oil and can improve demulsification resistance.
Summary of the invention
Technical problem to be solved by this invention thinks only have emulsion splitter the to improve prejudice of resistance to emulsion that turbine oil runs oil provide a kind of method of raising turbine oil operating performance newly to overcome prior art.The method can improve the resistance to emulsion that turbine oil runs oil, can also improve the rust-preventing characteristic of oil product simultaneously, extends the oil draining period of oil product.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of method improving turbine oil operating performance, add the compositions of additives of 0.5 ~ 10 % by weight when turbine oil runs, described compositions of additives comprises following component with weight parts:
A) rust-preventive agent of 0.05 ~ 10 part;
B) base oil of 75 ~ 99.4 parts.
In technique scheme, with weight parts, the consumption preferable range of rust-preventive agent is 0.1 ~ 8 part, and more preferably scope is 0.2 ~ 5 part; The consumption preferable range of base oil is 80 ~ 98.9 parts, and more preferably scope is 84 ~ 98.5 parts.Described rust-preventive agent is selected from least one in alkenyl succinic acid (T746), alkenyl succinic acid half ester (T747), dinonyl naphthalene sulfonate barium (T705), calcium mahogany sulfonate (T101) or calcium alkylbenzenesulfonate (T104), and preferred version is for being selected from least one in alkenyl succinic acid (T746), dinonyl naphthalene sulfonate barium (T705).Described base oil is selected from least one in solvent treatment mineral base oil or hydrofining mineral base oil.When turbine oil runs, the add-on preferable range of compositions of additives is 1 ~ 8 % by weight.Described compositions of additives preferred version is wherein also containing component c) oxidation inhibitor of 0.5 ~ 15 part.Described oxidation inhibitor is selected from 2,6-ditertbutylparacresol (T501), 2,6-di-tert-butylphenol (T502), 3, at least one in the different monooctyl ester of 5-di-t-butyl-4-hydroxy phenylpropionic acid (T512), phenyl-a-naphthylamine (T531), butyl/di-iso-octyldiphenylamine or di-iso-octyldiphenylamine, preferred version is for being selected from 2, at least one in 6-ditertbutylparacresol (T501) or 2,6-di-tert-butylphenol (T502).The consumption preferable range of oxidation inhibitor is 0.8 ~ 12 part, and more preferably scope is 1.0 ~ 10 parts;
The preparation method of the compositions of additives in the inventive method is: add in base oil at 50 ~ 60 DEG C of temperature in proportion by rust-preventive agent and oxidation inhibitor, stirs 0.5 ~ 5 hour, makes it all dissolve, can obtain described compositions of additives.
Turbine oil run oil after a large amount of water inlet or duration of service long, the oil oxidation product pollution of generation makes the emulsion resistance of oil product worsen, and profit cannot be separated.The present invention overcomes prior art and think only have emulsion splitter the to improve prejudice of resistance to emulsion that turbine oil runs oil.The present inventor is surprised to find, and only adds rust-preventive agent separately, just can improve the resistance to emulsion of oil product, make oily water separation, reduces the water content of turbine oil; While solution runs oil content water difficulty, the rust-preventing characteristic running oil can also be improved; After adding oxidation inhibitor, more can improve the anti-oxidative stability of oil product, further increase the overall performance running oil.Adopt the inventive method, the oil draining period of turbine oil can be extended, and simplify the operation course, achieve good technique effect.
In the present invention, resistance to emulsion test adopts GB GB/T 7305 " oil and synthesis liquid water separable performance assay method ".Test conditions is: load 40 milliliters of samples and distilled water in graduated cylinder, stirs 5 minutes at 54 DEG C, the record emulsion resistance time.Emulsion resistance time of turbine oil is reduced to 3 milliliters or profit with emulsion layer and is separated determines completely.The emulsion resistance time is shorter, illustrates that the resistance to emulsion of oil product is better.Oxidation stability test adopts industry standard SH/T 0193 " lubricating oil oxidation stability assay method (rotary bomb oxidation test ": sample, water and copper catalyst coil are put into a hyaloid device with cover, be placed in and manometric oxygen bomb is housed.Oxygen bomb is filled with the oxygen of 620kPa pressure, put into the constant temperature oil bath of 150 DEG C, make it become 30 DEG C of angle axial-rotations with the speed of 100 revs/min with horizontal plane, test reaches time (minute) needed for Pressure Drop of regulation, and the time is longer shows that oxidation stability is better.Rust-preventing characteristic test adopts GB GB/T 11143 " inhibiting mineral oil is test for rust preventing ability method in the presence of water " by 300 milliliters of samples and 30 ml distilled waters or synthetic sea water mixing, columniform test rod iron is all immersed in wherein, stir at 60 DEG C, the vestige of viewing test rod iron corrosion and the degree of corrosion after 24 hours.Being classified as of corrosion: light rust shows that rust spot is no more than 6; Middle rust shows super many 6 of rust spot, but is less than 5% of test rod iron surface-area; Heavily rust shows that corrosion area exceedes 5% of rod iron surface-area.
Below by embodiment, the invention will be further elaborated.
Embodiment
[embodiment 1 ~ 7]
Rust-preventive agent and oxidation inhibitor are added in base oil in proportion at 55 DEG C, stirs and make it all dissolve in 3 hours, obtain compositions of additives.Each component contamination is specifically in table 1.
By compositions of additives by 3 % by weight be metered in various operation oil, running the effect in oil in table 2.
Table 1
| Embodiment | Rust-preventive agent | Oxidation inhibitor | Base oil |
| Embodiment 1 | 0.2 part of T746 | - | 99.5 parts of HVI 150 solvent treatment base oils |
| Embodiment 2 | 0.5 part of T746 | 10.0 part T501 | 89.2 parts of 150N hydrogenated base oils |
| Embodiment 3 | 1.2 parts of T746 | - | 98.8 parts of 150N hydrogenated base oils |
| Embodiment 4 | 3 parts of T746 | 5.0 parts of T501 | 90.0 parts of HVI 150 solvent treatment base oils |
| Embodiment 5 | 6 parts of T746 | 10.0 part T502 | 90.0 parts of HVI 150 solvent treatment base oils |
| Embodiment 6 | 0.8 part of T705 | - | 99.2 parts of HVI 150 solvent treatment base oils |
| Embodiment 7 | 5 parts of T705 | 10.0 part T502 | 95.0 parts of 150N hydrogenated base oils |
[comparative example 1]
By polyethers emulsion splitter EC5750A by 0.01 % by weight be metered in various operation oil, running the effect in oil in table 2.
From the data of embodiment, adding additive combination of the present invention can improve resistance to emulsion.From [embodiment 3] effect 3 oil products, the resistance to emulsion running oil is poorer, and the effect of embodiment is better, and can improve oil reservoir water content in demulsibility test.The rotary oxygen bomb value running oil can also be improved after embodiment 2,4,7 adds oxidation inhibitor, improve oxidation stability; Solve the rust-preventing characteristic problem running oil simultaneously, can the rust-preventing characteristic of oil product is increased to rustless from light rust or middle rust.Antioxygen, antirust and emulsion resistance are the salient featuress of turbine oil, adopt this method, can improve the overall performance that turbine oil runs oil, increase the service life.Can resistance to emulsion be improved after [comparative example 1] adds emulsion splitter, but the rust-preventing characteristic problem of oil product cannot be solved simultaneously.
Claims (7)
1. improve a method for turbine oil operating performance, add the compositions of additives of 0.5 ~ 10 % by weight when turbine oil runs, described compositions of additives is made up of following component with weight parts:
A) rust-preventive agent of 0.05 ~ 10 part; Described rust-preventive agent is selected from alkenyl succinic acid;
B) base oil of 75 ~ 99.4 parts;
C) oxidation inhibitor of 0.5 ~ 15 part.
2. the method for raising turbine oil operating performance according to claim 1, is characterized in that with weight parts, and the consumption of rust-preventive agent is 0.1 ~ 8 part, and the consumption of base oil is 80 ~ 98.9 parts.
3. the method for raising turbine oil operating performance according to claim 2, is characterized in that the consumption of described rust-preventive agent is 0.2 ~ 5 part, and the consumption of base oil is 84 ~ 98.5 parts.
4. the method for raising turbine oil operating performance according to claim 1, is characterized in that described base oil is selected from least one in solvent treatment mineral base oil or hydrofining mineral base oil.
5. the method for raising turbine oil operating performance according to claim 1, when it is characterized in that turbine oil runs, the add-on of compositions of additives is 1 ~ 8 % by weight.
6. the method for raising turbine oil operating performance according to claim 1, it is characterized in that described oxidation inhibitor is selected from 2,6-ditertbutylparacresol, 2, at least one in 6-di-tert-butylphenol, the different monooctyl ester of 3,5-di-t-butyl-4-hydroxy phenylpropionic acid, phenyl-a-naphthylamine, butyl/di-iso-octyldiphenylamine or di-iso-octyldiphenylamine.
7. the method for raising turbine oil operating performance according to claim 1, it is characterized in that the consumption of described oxidation inhibitor is 0.8 ~ 12 part, described oxidation inhibitor is selected from least one in 2,6 ditertiary butyl p cresol or 2,6-di-tert-butylphenol.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040127370A1 (en) * | 2002-11-15 | 2004-07-01 | Poirier Marc Andre | Hydraulic fluids with erosion resistance |
| 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 |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040127370A1 (en) * | 2002-11-15 | 2004-07-01 | Poirier Marc Andre | Hydraulic fluids with erosion resistance |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 近几年国内添加剂的发展概况;黄文轩;《润滑油》;19961231;第11卷(第6期);第2-5页 * |
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