CN103074147B - Novel antiammonia turbine oil composition and preparation method and application thereof - Google Patents
Novel antiammonia turbine oil composition and preparation method and application thereof Download PDFInfo
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- CN103074147B CN103074147B CN201310044116.0A CN201310044116A CN103074147B CN 103074147 B CN103074147 B CN 103074147B CN 201310044116 A CN201310044116 A CN 201310044116A CN 103074147 B CN103074147 B CN 103074147B
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- Prior art keywords
- ammonia
- turbine oil
- composition
- antiammonia
- turbine
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- 239000010723 turbine oil Substances 0.000 title claims abstract description 39
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 43
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003337 fertilizer Substances 0.000 claims abstract description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000292 calcium oxide Substances 0.000 claims abstract description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229940096992 potassium oleate Drugs 0.000 claims abstract description 9
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 229910052885 anthophyllite Inorganic materials 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002320 enamel (paints) Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a novel antiammonia turbine oil composition and a preparation method and application thereof. According to part by weight, the composition is composed of the following components: 65 to 75 parts of antiammonia turbine oil, 20 to 25 parts of anthophyllite, 1 to 3 parts of calcium oxide and 1 to 2 parts of potassium oleate. The novel antiammonia turbine oil composition can be formed into an ultrahard, abrasion-resistant, high temperature-resistant and ammonia corrosion-resistant metal ceramic layer on the surfaces of the rotary shaft and bearings of a turbine, and can ensure that the lubrication and sealing of steam turbines, particularly the centrifugal synthetic compressors of large synthetic ammonia fertilizer systems, ice makers and turbosets with ammonia corrosion, are effective for a long time, consequently, the incidence of failure can be decreased, and the service lives of the centrifugal synthetic compressors of large synthetic ammonia fertilizer systems, ice makers and turbosets can be prolonged.
Description
Technical field
The present invention relates to a kind of composition for anti-ammonia turbine oil, be particularly suitable for the composition of the lubricated and sealing of centrifugal synthetic compressor, ice maker and the Steam Turbine of Large-scale Ammonia Plant chemical fertilizer plant, belong to material technology field.
Background technology
The duration of service of turbine oil is long, and after adding, great majority use the several years, and even the more than ten years do not change oil.Along with the maximization of steam turbine for thermal power generation, use the steam turbine of high temperature and high pressure steam (overcritical pressure 24.6MPa) to become main flow.High-temperature steam makes the local temperature of bearing surface approach 100 DEG C, at the temperature that turbine oil is everlasting more than 90 DEG C, circulates.
In use, the chance of introducing water is more for turbine oil.If turbine oil can not separate rapidly with water, become the bad reason with producing corrosion of steam turbine rotation axis and bearing lubrication.Because adopting pump circulation mode, steam-turbine lubricating system carries out, the fierce stirring of turbine oil and air makes to produce in foam, oil and generate bubble on pasta, the generation of foam and bubble makes steam turbine rotation axis and bearing form cavitation corrosion, especially the centrifugal synthetic compressor of synthetic ammonia chemical fertilizer plant, in aggressive atmosphere, this destruction is especially obvious.
Summary of the invention
The object of this invention is to provide a kind of composition for anti-ammonia turbine oil, said composition forms the metal enamel coating of superhard wear, high temperature resistance, the corrosion of anti-ammonia atmosphere at steam turbine rotation axis and bearing surface, ensure steam turbine, especially there is centrifugal synthetic compressor, ice maker and Steam Turbine lubricated permanently effective with sealing of the Large-scale Ammonia Plant chemical fertilizer plant of ammonia atmosphere corrosion, reduce rate of breakdown, extend the work-ing life of centrifugal synthetic compressor, ice maker and the Steam Turbine of Large-scale Ammonia Plant chemical fertilizer plant.
Composition for anti-ammonia turbine oil of the present invention, said composition is made up of following component by mass parts:
In the preferred technical scheme of the present invention, in above-mentioned composition for anti-ammonia turbine oil, the granularity≤800nm of described bidalotite, at 180 DEG C of dry 1h.
In the preferred technical scheme of the present invention, in above-mentioned composition for anti-ammonia turbine oil, the mass parts of described calcium oxide is 2.
In the preferred technical scheme of the present invention, in above-mentioned composition for anti-ammonia turbine oil, the mass parts of potassium oleate is 1.3.
Another object of the present invention is to provide a kind of preparation method of composition for anti-ammonia turbine oil, comprises the steps:
1. bidalotite is crushed to granularity≤800nm, at 180 DEG C of dry 1h;
2. by mass parts, take the 1. bidalotite 20～25 of gained of step, antiammonia turbine oil 65～75, calcium oxide 1～3, potassium oleate 1～2 is mixed to join in closed unit, makes reach-0.08MPa of vacuum tightness;
3. be warming up to 90 DEG C, under 10000rmp, stir 30min, adjustment of rotational speed is to stir 10min under 18000rmp, and adjustment of rotational speed is to stir 10min under 28000rmp;
4. fine dispersion 30min in the ultra-sonic generator of 1KW.
Another object of the present invention is to provide the application of composition for anti-ammonia turbine oil of the present invention in centrifugal synthetic compressor, ice maker and the Steam Turbine of Large-scale Ammonia Plant chemical fertilizer plant.
In technique scheme, described steam turbine rotation axis and bearing are in there being the Working environment of ammonia atmosphere.
The beneficial effect that the present invention produces:
Composition for anti-ammonia turbine oil of the present invention can form at steam turbine rotation axis and bearing surface the metal enamel coating of superhard wear, high temperature resistance, the corrosion of anti-ammonia atmosphere, ensure steam turbine, especially there is centrifugal synthetic compressor, ice maker and Steam Turbine lubricated permanently effective with sealing of the Large-scale Ammonia Plant chemical fertilizer plant of ammonia atmosphere corrosion, reduce rate of breakdown, extend the work-ing life of centrifugal synthetic compressor, ice maker and the Steam Turbine of Large-scale Ammonia Plant chemical fertilizer plant.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
In plant and instrument used in the present invention, ultra-sonic generator: Shanghai Zhi Xin Instrument Ltd., model DL-60D; The vertical omnipotent frictional wear machine of MMW-1: Jinan, Shandong Province Pu Ye mechanical & electrical technology company limited.
In raw material used in the present invention, antiammonia turbine oil derives from Dalian petrochemical industry; Bidalotite derives from Shijiazhuang, Hebei Zhong Shihengda mineral products company limited; Calcium oxide derives from Shanghai Gu Te clothes (Cambridge) company limited; Potassium oleate derives from Dalian Shen Lian chemical reagent glassware company limited.
In embodiment 1-6, be carbon steel, HRC56, HV570 No. 45 for the sample of wearing test.
Embodiment 1
1. bidalotite is crushed to granularity≤800nm, at 180 DEG C of dry 1h;
2. by mass parts, take the 1. bidalotite 20g of gained of step, antiammonia turbine oil 65g, calcium oxide 1g, potassium oleate 1g is mixed to join in closed unit, makes reach-0.08MPa of vacuum tightness;
3. be warming up to 90 DEG C, under 10000rmp, stir 30min, adjustment of rotational speed is to stir 10min under 18000rmp, and adjustment of rotational speed is to stir 10min under 28000rmp;
4. fine dispersion 30min in the ultra-sonic generator of 1KW.
The lubricant preparing (composition for anti-ammonia turbine oil) is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and test force is 2000N, and rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV1018 of sample wearing surface.Sample becomes 2.9109g weightlessness-0.035% from 2.9007g, and sample does not only reduce in other words, has also increased weight.Frictional coefficient drops to 0.045 from 0.064, has reduced by 12.5%.
Embodiment 2
1. bidalotite is crushed to granularity≤800nm, at 180 DEG C of dry 1h;
2. by mass parts, take the 1. bidalotite 23g of gained of step, antiammonia turbine oil 70g, calcium oxide 2g, potassium oleate 1.3g is mixed to join in closed unit, makes reach-0.08MPa of vacuum tightness;
3. be warming up to 90 DEG C, under 10000rmp, stir 30min, adjustment of rotational speed is to stir 10min under 18000rmp, and adjustment of rotational speed is to stir 10min under 28000rmp;
4. fine dispersion 30min in the ultra-sonic generator of 1KW.
The lubricant preparing (composition for anti-ammonia turbine oil) is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and test force is 2000N, and rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV1206 of sample wearing surface.Sample becomes 2.9539g weightlessness-0.068% from 2.9519g, and sample does not only reduce in other words, has also increased weight.Frictional coefficient drops to 0.041 from 0.051, has reduced by 20%.
Embodiment 3
1. bidalotite is crushed to granularity≤800nm, at 180 DEG C of dry 1h;
2. by mass parts, take the 1. bidalotite 25g of gained of step, antiammonia turbine oil 75g, calcium oxide 3g, potassium oleate 2g is mixed to join in closed unit, makes reach-0.08MPa of vacuum tightness;
3. be warming up to 90 DEG C, under 10000rmp, stir 30min, adjustment of rotational speed is to stir 10min under 18000rmp, and adjustment of rotational speed is to stir 10min under 28000rmp;
4. fine dispersion 30min in the ultra-sonic generator of 1KW.
The lubricant preparing (composition for anti-ammonia turbine oil) is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and test force is 2000N, and rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV1286 of sample wearing surface.Sample becomes 2.9851g weightlessness-0.057% from 2.9834g, and sample does not only reduce in other words, has also increased weight.Frictional coefficient drops to 0.051 from 0.060, has reduced by 15%.
Embodiment 4
Commercially available antiammonia turbine oil is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and test force is 2000N, and rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV563 of sample wearing surface.Sample becomes 2.9451g weightlessness 0.081% from 2.9475g, and sample has worn and torn loss of weight in other words.Frictional coefficient is increased to 0.054 from 0.053, has increased by 1.8%.Test-results shows, existing antiammonia turbine oil is starkly lower than the lubricant (composition for anti-ammonia turbine oil) of embodiment 1-3 to the friction and wear behavior of sample.
Embodiment 5
Commercially available antiammonia turbine oil is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and it is 70mg/m that sample forms concentration around
3ammonia atmosphere, test force is 2000N, rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV529 of sample wearing surface.Sample becomes 2.9866g weightlessness 0.1% from 2.9896g.Frictional coefficient is increased to 0.051 from 0.049, has increased by 4.1%, with embodiment 4 relatively, due to the existence of ammonia atmosphere, the friction and wear behavior of sample becomes multiple to decline.
Embodiment 6
The lubricant of embodiment 3 (composition for anti-ammonia turbine oil) is carried out to wearing test at the vertical omnipotent frictional wear machine of MMW-1, and it is 70mg/m that sample forms concentration around
3ammonia atmosphere, test force is 2000N, rotating speed is 1000r/min.Through the wearing test of 5 hours, the microhardness HV1197 of sample wearing surface.Sample becomes 2.9526g weightlessness-0.027% from 2.9446g, and sample does not only reduce in other words, has also increased weight.Frictional coefficient drops to 0.057 from 0.063, has reduced by 9.5%, with embodiment 5 relatively, even if there is the existence due to ammonia atmosphere, the friction and wear behavior of sample becomes the raising of multiple.
Claims (7)
1. a composition for anti-ammonia turbine oil, is characterized in that said composition is made up of following component by mass parts:
2. composition for anti-ammonia turbine oil according to claim 1, is characterized in that described bidalotite granularity≤800nm, at 180 DEG C of dry 1h.
3. composition for anti-ammonia turbine oil according to claim 1 and 2, is characterized in that the mass parts of described calcium oxide is 2.
4. composition for anti-ammonia turbine oil according to claim 3, is characterized in that the mass parts of described potassium oleate is 1.3.
5. the preparation method of composition for anti-ammonia turbine oil according to claim 1, comprises the steps:
1. bidalotite is crushed to granularity≤800nm, at 180 DEG C of dry 1h;
2. by mass parts, take the 1. bidalotite 20～25 of gained of step, antiammonia turbine oil 65～75, calcium oxide 1～3, and potassium oleate 1～2 is mixed to join in closed unit, makes reach-0.08MPa of vacuum tightness;
3. be warming up to 90 DEG C, under 10000rmp, stir 30min, adjustment of rotational speed is to stir 10min under 18000rmp, and adjustment of rotational speed is to stir 10min under 28000rmp;
4. fine dispersion 30min in the ultra-sonic generator of 1KW.
6. the application of composition for anti-ammonia turbine oil claimed in claim 1 in centrifugal synthetic compressor, ice maker and the steam turbine of Large-scale Ammonia Plant chemical fertilizer plant.
7. application according to claim 6, the rotation axis of the steam turbine described in it is characterized in that and bearing are in there being the Working environment of ammonia atmosphere.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310044116.0A CN103074147B (en) | 2013-02-04 | 2013-02-04 | Novel antiammonia turbine oil composition and preparation method and application thereof |
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| CN201310044116.0A CN103074147B (en) | 2013-02-04 | 2013-02-04 | Novel antiammonia turbine oil composition and preparation method and application thereof |
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