CN112226265A - Phosphate hydraulic fluid composition and preparation method thereof - Google Patents
Phosphate hydraulic fluid composition and preparation method thereof Download PDFInfo
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- CN112226265A CN112226265A CN202011146734.2A CN202011146734A CN112226265A CN 112226265 A CN112226265 A CN 112226265A CN 202011146734 A CN202011146734 A CN 202011146734A CN 112226265 A CN112226265 A CN 112226265A
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- dimethylphenol
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- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 47
- 239000010452 phosphate Substances 0.000 title claims abstract description 47
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 42
- 239000012530 fluid Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 58
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 55
- 239000002199 base oil Substances 0.000 claims abstract description 30
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 14
- 239000003112 inhibitor Substances 0.000 claims abstract description 14
- CFZAEHZKTCVBOQ-UHFFFAOYSA-N (2,3-dimethylphenyl) dihydrogen phosphate Chemical compound CC1=CC=CC(OP(O)(O)=O)=C1C CFZAEHZKTCVBOQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- ILKWGTNKDYMIBP-UHFFFAOYSA-N (2,4-dimethylphenyl) dihydrogen phosphate Chemical compound CC1=CC=C(OP(O)(O)=O)C(C)=C1 ILKWGTNKDYMIBP-UHFFFAOYSA-N 0.000 claims abstract description 10
- UQFXKMCABISEGO-UHFFFAOYSA-N (2,5-dimethylphenyl) dihydrogen phosphate Chemical compound CC1=CC=C(C)C(OP(O)(O)=O)=C1 UQFXKMCABISEGO-UHFFFAOYSA-N 0.000 claims abstract description 10
- AZRLVBXGWPMCIM-UHFFFAOYSA-N (3,4-dimethylphenyl) dihydrogen phosphate Chemical compound CC1=CC=C(OP(O)(O)=O)C=C1C AZRLVBXGWPMCIM-UHFFFAOYSA-N 0.000 claims abstract description 10
- AFQJYYPIAZDTHT-UHFFFAOYSA-N (3,5-dimethylphenyl) dihydrogen phosphate Chemical compound CC1=CC(C)=CC(OP(O)(O)=O)=C1 AFQJYYPIAZDTHT-UHFFFAOYSA-N 0.000 claims abstract description 10
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000004982 aromatic amines Chemical class 0.000 claims abstract description 10
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 7
- 239000000460 chlorine Substances 0.000 claims abstract description 7
- 150000003557 thiazoles Chemical class 0.000 claims abstract description 7
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- -1 phosphate ester Chemical class 0.000 claims description 5
- VMZVBRIIHDRYGK-UHFFFAOYSA-N 2,6-ditert-butyl-4-[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VMZVBRIIHDRYGK-UHFFFAOYSA-N 0.000 claims description 4
- WJUMWVJBOZKPPU-UHFFFAOYSA-N 2,3-bis(6-methylheptyl)-N-phenylaniline Chemical compound C(CCCCC(C)C)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCC(C)C WJUMWVJBOZKPPU-UHFFFAOYSA-N 0.000 claims description 3
- HXRAIVCWVIJIKB-UHFFFAOYSA-N 2-butyl-n-octyl-n-phenylaniline Chemical compound C=1C=CC=C(CCCC)C=1N(CCCCCCCC)C1=CC=CC=C1 HXRAIVCWVIJIKB-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002530 phenolic antioxidant Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 description 2
- 150000001565 benzotriazoles Chemical class 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- BVXOPEOQUQWRHQ-UHFFFAOYSA-N dibutyl phosphite Chemical compound CCCCOP([O-])OCCCC BVXOPEOQUQWRHQ-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QWBBPBRQALCEIZ-UHFFFAOYSA-N 2,3-dimethylphenol Chemical compound CC1=CC=CC(O)=C1C QWBBPBRQALCEIZ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/062—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups bound to the aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/0405—Phosphate esters used as base material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides a phosphate hydraulic fluid composition and a preparation method thereof, wherein the phosphate hydraulic fluid composition comprises, by weight, 1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive agent; the chlorine content in the composition is not more than 30 ppm; the base oil is selected from 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and a mixture of triphenyl phosphate; the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant; the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof. The composition can effectively ensure the safety performance of the steam turbine on high flash point and self-extinguishing property of oil products under the conditions of the components and the dosage. The flash point of the hydraulic fluid composition is 241-263 ℃; the self-ignition point is 551-557 ℃.
Description
Technical Field
The invention belongs to hydraulic fluid compositions, and particularly relates to a phosphate hydraulic fluid composition and a preparation method thereof.
Background
With the rapid development of the power industry, a large-capacity and high-parameter steam turbine set is more and more (particularly). The unit with the single machine capacity of more than 300MW (even the unit with the single machine capacity of more than 1000 MW) becomes the main unit of the power grid. The unit with subcritical and supercritical parameters is widely applied, the steam temperature of a steam turbine reaches over 500 ℃, even over 565 ℃, and the working pressure of a working medium-hydraulic regulating fluid of a servomotor of a steam turbine speed regulating system is up to 10-16 Mpa. Under the above operating conditions, if the conditioning fluid leaks and comes into contact with the high temperature steam line, there is a fire risk. The self-ignition point is a key index of the safety of the hydraulic regulating liquid (power plant fire-resistant oil) of the speed regulating system.
At present, the flash point of a common wear-resistant hydraulic fluid composition is only about 230 ℃, and the requirement of a steam turbine set speed regulating system in the power industry is difficult to meet.
Disclosure of Invention
In view of the above, the present invention provides a phosphate hydraulic fluid composition and a preparation method thereof, which can effectively ensure the safety performance of a steam turbine against high flash point and self-extinguishing property of oil.
The invention provides a phosphate hydraulic fluid composition which comprises the following components in parts by weight:
1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive;
the chlorine content of the composition is not more than 30 ppm;
the base oil is selected from a mixture of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and triphenyl phosphate;
the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant;
the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof.
Preferably, the naphthylamine antioxidant is selected from alkyl phenyl naphthylamine and/or N-phenyl naphthylamine;
the arylamine antioxidant is selected from one or more of diisooctyl diphenylamine, butyl-octyl diphenylamine and antioxidants with the model number of L01;
the phenolic antioxidant is selected from 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol and/or an antioxidant with the model of IRGANOX L135.
Preferably, the corrosion inhibitor is selected from one or more of T706, tolyltriazole and lrgamt 39.
Preferably, the phosphate hydraulic fluid composition includes 1 part phosphate base oil, 0.03 parts IRGANOX L135 antioxidant and 0.00001 parts T706 corrosion inhibitor;
or 1 part of phosphate base oil, 0.03 part of IRGANOX L135 antioxidant and 0.00005 part of methylbenzotriazole;
or comprises 1 part of phosphate base oil, 0.02 part of N-phenyl naphthylamine, 0.05 part of IRGANOX XL135 antioxidant and 0.0001 part of lrgamet 39 corrosion inhibitor.
The invention provides a preparation method of a phosphate hydraulic fluid composition in the technical scheme, which comprises the following steps:
mixing 1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive, heating to 100-110 ℃, dehydrating, cooling and filtering under the vacuum degree of 0.09MPa to obtain the phosphate hydraulic fluid composition.
The invention provides a phosphate hydraulic fluid composition which comprises, by weight, 1-95 parts of base oil, 1-5 parts of an antioxidant and 0.001-1 part of an anticorrosive agent; the chlorine content of the composition is not more than 30 ppm; the base oil is selected from a mixture of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and triphenyl phosphate; the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant; the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof. The composition provided by the invention can effectively ensure the safety performance of the steam turbine on high flash point and self-extinguishing property of oil products under the conditions of the components and the dosage. The experimental results show that: the flash point of the hydraulic fluid composition prepared by the embodiment of the invention is 241-263 ℃; the self-ignition point is 551-557 ℃.
Detailed Description
The invention provides a phosphate hydraulic fluid composition which comprises the following components in parts by weight:
1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive;
the chlorine content of the composition is not more than 30 ppm;
the base oil is selected from a mixture of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and triphenyl phosphate;
the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant;
the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof.
The composition provided by the invention can effectively ensure the safety performance of the steam turbine on high flash point and self-extinguishing property of oil products under the conditions of the components and the dosage.
The phosphate hydraulic fluid composition provided by the invention comprises 1-95 parts of base oil; the base oil is selected from the group consisting of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, a mixture of 3, 5-dimethylphenol phosphate and triphenyl phosphate. The base oil is prepared from phosphoric acid and dimethylphenol in AlCl3After the reaction under catalysis, the crude ester is refined by alkali neutralization, adsorption and filtration.
The phosphate ester hydraulic fluid composition provided by the invention comprises 1-5 parts of antioxidant; the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant; the naphthylamine antioxidant is selected from alkyl phenyl naphthylamine and/or N-phenyl naphthylamine; the arylamine antioxidant is selected from one or more of diisooctyl diphenylamine, butyl-octyl diphenylamine and antioxidants with the model number of L01; the phenolic antioxidant is selected from 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol and/or an antioxidant with the type of IRGANOX XL 135.
The phosphate hydraulic fluid composition provided by the invention comprises 0.001-1 part of an anti-corrosion agent; the corrosion inhibitor is preferably selected from at least one of thiazoles and derivatives thereof, more preferably from triazabine and/or alkylated benzotriazole. The alkylated benzotriazole is methylbenzotriazole. In particular embodiments, the corrosion inhibitor is selected from one or more of T706, tolyltriazole, and lrgamt 39.
The improved phosphate ester hydraulic fluid composition preferably further comprises 0.01-0.05 part of an antiwear agent; the antiwear agent is preferably selected from dibutyl phosphite.
The phosphate hydraulic fluid composition provided by the invention has the chlorine content of not more than 30 ppm.
The preparation method of the phosphate hydraulic fluid composition provided by the invention comprises the following steps:
mixing 1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive, heating to 100-110 ℃, dehydrating, cooling and filtering under the vacuum degree of 0.09MPa to obtain the phosphate hydraulic fluid composition.
In a specific embodiment of the invention, the temperature is raised to 100 ℃, 105 ℃ or 110 ℃; the temperature reduction is preferably to 50 ℃.
The time for dehydration is preferably 0.9 to 1.1h, and more preferably 1 h. The invention preferably uses diatomite to filter the filter cake.
To further illustrate the present invention, the phosphate hydraulic fluid composition and the method for preparing the same according to the present invention will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
Adding 1kg of phosphate base oil, 0.03kg of IRGANOX L135 antioxidant and 0.00001kgT706 anticorrosive agent into a three-necked bottle, and heating to 100 ℃ to obtain a lubricating oil mixture; the phosphate base oil is selected from the group consisting of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate, and a mixture of triphenyl phosphate;
and (3) stirring and dehydrating the lubricating oil mixture for 1 hour under the vacuum degree of 0.09MPa, cooling to 50 ℃, and then beating a filter cake with diatomite for filtering to obtain the phosphate hydraulic oil composition.
The phosphate ester hydraulic oil composition was subjected to performance testing according to the method described above, and the test results are shown in table 1, where table 1 is the performance test results of the phosphate ester hydraulic oil composition obtained in examples 1 to 3 of the present invention.
Example 2
Adding 1kg of phosphate base oil, 0.003kg of 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol, 0.00005kg of methylbenzotriazole and 0.03kg of dibutyl phosphite into a three-necked bottle, and heating to 110 ℃ to obtain a lubricating oil mixture; the phosphate base oil is selected from the group consisting of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate, and a mixture of triphenyl phosphate;
and (3) stirring and dehydrating the lubricating oil mixture for 1 hour under the vacuum degree of 0.09MPa, cooling to 50 ℃, and then beating a filter cake with diatomite for filtering to obtain the phosphate hydraulic oil composition.
The phosphate hydraulic oil composition is subjected to performance test, and the test results are shown in table 1.
Example 3
Adding 1kg of phosphate base oil, 0.02kg of N-phenyl naphthylamine, 0.05kg of IRGANOX XL135 antioxidant and 0.0001kg of lrgamat 39 anticorrosive agent into a three-neck bottle, and continuously heating to 105 ℃ to obtain a lubricating oil mixture; the phosphate base oil is selected from the group consisting of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate, and a mixture of triphenyl phosphate;
and (3) stirring and dehydrating the lubricating oil mixture for 1 hour under the vacuum degree of 0.09MPa, cooling to 50 ℃, and then beating a filter cake with diatomite for filtering to obtain the phosphate hydraulic oil composition.
The phosphate hydraulic oil composition is subjected to performance test, and the test results are shown in table 1.
TABLE 1 Performance test results for compositions prepared in examples 1-3
According to the embodiment, the phosphate hydraulic fluid composition comprises, by weight, 1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive; the chlorine content of the composition is not more than 30 ppm; the base oil is selected from a mixture of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and triphenyl phosphate; the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant; the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof. The composition provided by the invention can effectively ensure the safety performance of the steam turbine on high flash point and self-extinguishing property of oil products under the conditions of the components and the dosage. The experimental results show that: the flash point of the hydraulic fluid composition prepared by the embodiment of the invention is 241-263 ℃; the self-ignition point is 551-557 ℃.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A phosphate hydraulic fluid composition comprises the following components in parts by weight:
1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive;
the chlorine content of the composition is not more than 30 ppm;
the base oil is selected from a mixture of 2, 3-dimethylphenol phosphate, 2, 4-dimethylphenol phosphate, 2, 5-dimethylphenol phosphate, 3, 4-dimethylphenol phosphate, 3, 5-dimethylphenol phosphate and triphenyl phosphate;
the antioxidant is selected from one or more of naphthylamine antioxidant, arylamine antioxidant and phenol antioxidant;
the corrosion inhibitor is at least one selected from thiazoles and derivatives thereof.
2. The phosphate hydraulic fluid composition according to claim 1, wherein the naphthylamine-based antioxidant is selected from alkylphenylnaphthylamine and/or N-phenylnaphthylamine;
the arylamine antioxidant is selected from one or more of diisooctyl diphenylamine, butyl-octyl diphenylamine and antioxidants with the model number of L01;
the phenolic antioxidant is selected from 2, 6-di-tert-butyl-alpha-dimethylamino-p-cresol and/or an antioxidant with the model of IRGANOX L135.
3. The phosphate hydraulic fluid composition according to claim 1, wherein the corrosion inhibitor is selected from one or more of T706, methylbenzotriazole and lrgamt 39.
4. The phosphate hydraulic fluid composition of claim 1, wherein the phosphate hydraulic fluid composition comprises 1 part of phosphate base oil, 0.03 parts of IRGANOX L135 antioxidant and 0.00001 parts of T706 corrosion inhibitor;
or 1 part of phosphate base oil, 0.03 part of IRGANOX L135 antioxidant and 0.00005 part of methylbenzotriazole;
or 1 part of phosphate base oil, 0.02 part of N-phenyl naphthylamine, 0.05 part of IRGANOX L135 antioxidant and 0.0001 part of lrgamat 39 corrosion inhibitor.
5. A method for preparing the phosphate ester hydraulic fluid composition as defined in any one of claims 1 to 4, comprising the steps of:
mixing 1-95 parts of base oil, 1-5 parts of antioxidant and 0.001-1 part of anticorrosive, heating to 100-110 ℃, dehydrating, cooling and filtering under the vacuum degree of 0.09MPa to obtain the phosphate hydraulic fluid composition.
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| CN202011146734.2A CN112226265A (en) | 2020-10-23 | 2020-10-23 | Phosphate hydraulic fluid composition and preparation method thereof |
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| CN202011146734.2A CN112226265A (en) | 2020-10-23 | 2020-10-23 | Phosphate hydraulic fluid composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305722A (en) * | 2019-07-12 | 2019-10-08 | 安徽中天石化股份有限公司 | A kind of phosphate fire resistant hydraulic oil |
| CN113956928A (en) * | 2021-10-27 | 2022-01-21 | 中国石油化工股份有限公司 | Phosphate ester hydraulic oil cleaning composition and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| AU2001274943A1 (en) * | 2000-02-25 | 2001-09-03 | Exxonmobil Research And Engineering Company | Phosphate ester hydraulic fluids with improved properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110305722A (en) * | 2019-07-12 | 2019-10-08 | 安徽中天石化股份有限公司 | A kind of phosphate fire resistant hydraulic oil |
| CN113956928A (en) * | 2021-10-27 | 2022-01-21 | 中国石油化工股份有限公司 | Phosphate ester hydraulic oil cleaning composition and preparation method thereof |
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