CN106398825A - Steam turbine oil and preparation method thereof - Google Patents
Steam turbine oil and preparation method thereof Download PDFInfo
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- CN106398825A CN106398825A CN201610772955.8A CN201610772955A CN106398825A CN 106398825 A CN106398825 A CN 106398825A CN 201610772955 A CN201610772955 A CN 201610772955A CN 106398825 A CN106398825 A CN 106398825A
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- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
- C10M2201/103—Clays; Mica; Zeolites
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/042—Epoxides
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
-
- 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
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a steam turbine oil and a preparation method thereof. The steam turbine oil is prepared from the following raw materials in pats by weight: 0.5 to 1 part of alkyl diphenylamine, 0.8 to 1.2 parts of barium dinonyl naphthalene sulfonate, 0.4 to 0.6 part of benzotriazole derivatives, 0.5 to 0.8 part of castor oil polyoxyethylene ether, 0.4 to 0.6 part of ethylene oxide, 2 to 5 parts of adsorbent, and 90 to 100 parts of II base oil, wherein the adsorbent is a mixture of bentonite and halloysite according to a mass ratio of 1:0.4-0.6. The preprocessed bentonite and halloysite are taken as the adsorbent. Bentonite and halloysite both has a certain selectivity on adsorbing impurities in the base oil of the steam turbine oil; according to the provided mass ratio of bentonite and halloysite, the adsorbent can rapidly remove impurities in the base oil; compared with the prior art, the impurity adsorbing speed is largely increased, moreover, the impurities can be eliminated more radically; and because impurities in the steam turbine oil are more radically removed, compared with the steam turbine oil prepared by the conventional method, the anti-oxidation stability and anticorrosion performance of the provided steam turbine oil are better.
Description
Technical field
The invention belongs to lubricating oil field is and in particular to a kind of steam turbine oil and preparation method thereof.
Background technology
Steam turbine oil is also known as turbine oil, generally includes vapor wheel machine oil, gas turbine oil, waterpower steam turbine oil etc..Steamer
The effect of machine oil is mainly lubrication, cooling and speed governing, is more used for steam turbine and the sliding bearing of the unit that is connected, reducing gear
The lubrication of wheel, speed regulator and hydraulic control system, according to the effect of steam turbine oil, steam turbine oil needs to be provided simultaneously with lubricating
The multiple performances such as performance, extruding abrasion resistance, cooling performance, rustless property and Oxidation Stability.
In recent years, with the prolongation of equipment overhaul cycle, the performance of steam turbine oil oil product is put forward higher requirement, reason
The steam turbine oil thought should be to have excellent oxidation stability, heat stability and oil-water separativeness, to reduce the drain period, with
When there is preferable lubricity, make that system is peace and quiet, no greasy filth to reduce abrasion.
Have been developed for various steam turbine oils in the market, such as non-oxidizability steam turbine oil, antioxygen rust-preventing characteristic steam turbine
Oily, anti-ammonia type steam turbine oil, the long-life of combustion gas turbine Unit erriger, anti-EP turbine oil, mainly solve steam turbine oil
Anti-oxidative stability can be with the problem of the aspects such as antirust, extreme boundary lubrication.Existing steam turbine oil major part is in terms of additive
Address the problems such as anti-oxidative stability, heat stability, extreme boundary lubrication, the base oil being used does not do larger changing
Kind, and the quality of base oil has a direct impact to the performance of antiwear hydraulic oil, additive only plays assosting effect.Generally, basis
More impurity, such as aphthenic acids, colloid, condensed-nuclei aromatics and oxygen-containing, sulfur, nitrogen non-hydrocarbon compound etc. is contained, these impurity exist in oil
It is easy to oxidation deterioration in the presence of high temperature, oxidation is to cause one of major reason of steam turbine oil degradation, existing refine
Technique is difficult to completely remove these impurity, thus affecting the property such as the anti-oxidative stability of antiwear hydraulic oil of preparation, heat stability
Energy.
Content of the invention
The present invention is primarily directed to the defect of prior art presence, provides a kind of steam turbine oil, and this steam turbine oil adopts
Base oil, its impurity is effectively removed, thus improve the quality of steam turbine oil, simultaneously present invention also offers this steam turbine oil
Preparation method.
The steam turbine oil that the present invention provides, is prepared from by the raw material of following weight portion：0.5～1 part of alkyl diphenylamine, two
0.8～1.2 part of nonyl naphthalene barium sulfonate, 0.4～0.6 part of benzotriazole derivant, 0.5～0.8 part of castor oil polyoxyethylene ether, epoxy
0.4～0.6 part of ethane, 2～5 parts of adsorbent, II 90～100 parts of class base oil, described adsorbent is bentonite and galapectite
Mixture, and bentonite is 1 with the mass ratio of galapectite:0.4～0.6.
Contain more impurity in the existing base oil preparing steam turbine oil, such as aphthenic acids, colloid, condensed-nuclei aromatics and oxygen-containing,
Sulfur, the non-hydrocarbon compound of nitrogen, the presence of these materials can have a strong impact on the quality of steam turbine oil, and existing method can not be complete
Full removing above-mentioned substance.Applicant finds through further investigation, can preferably adsorb through certain bentonite processing and galapectite
State impurity, and bentonite and galapectite also there is certain preference in the absorption to above-mentioned impurity respectively, i.e. bentonite
Can moieties in Preferential adsorption impurity, galapectite then can another part material in Preferential adsorption impurity, accordingly, through a large amount of
Proportioning test finds, under the proportioning that the present invention provides, bentonite and galapectite synergistic action effect are notable, and its mixture can
Rapidly removing above-mentioned impurity, thus improving the quality of base oil, so that the steam turbine oil quality of preparation is greatly improved.Join in the present invention
Than in, if galapectite and bentonitic mass ratio are less than 0.4:1, then the impurity absorption time can be led to long, and cannot adsorb completely
Entirely, do not reach preferable adsorption effect, if galapectite and bentonitic mass ratio are higher than 0.6:1 although do not have to adsorption effect
Have an impact, but can there is galapectite using excessive, increase absorption cost.
Preferably, described steam turbine oil is prepared from by the raw material of following weight portion：0.8 part of alkyl diphenylamine, two nonyls
1 part of base naphthalene sulfonate barium, 0.5 part of benzotriazole derivant, 0.6 part of castor oil polyoxyethylene ether, 0.5 part of oxirane, adsorbent 3.5
Part, II 95 parts of class base oil, described adsorbent is 1 for mass ratio:0.5 bentonite and the mixture of galapectite.
Preferably, the preparation method of described adsorbent is as follows：
(1) bentonite was pulverized 80 mesh sieves, galapectite was pulverized 100 mesh sieves, weighed by ratio requirement after sieving
Bentonite and galapectite, obtain the mixed-powder of bentonite and galapectite after mix homogeneously；
(2) mixed-powder of step (1) is added in the hydrochloric acid solution of 0.06mol/L, after stirring, adopt ultrasound wave
Process；
(3) solution after ultrasonic Treatment is filtered, after filtering residue is washed with water to neutrality, obtain final product described absorption through calcining
Agent.
Bentonite and galapectite self structure are contained within substantial amounts of Free water and water of crystallization, also contain more Na, K simultaneously
Etc. cation, can effectively replace the cation in bentonite and galapectite by above-mentioned process, and remove the moisture of therein
And air, increase specific surface area, thus strengthening the absorbability of bentonite and galapectite.
Preferably, mixed-powder and the mass ratio of hydrochloric acid solution are 1 in above-mentioned steps (2):3～4.
Preferably, ultrasonic Treatment temperature is 50 DEG C in above-mentioned steps (2), process time is 15min, and processing power is
800W.
Preferably, calcining heat is 360～400 DEG C in above-mentioned steps (3).
Preferably, calcination time is 1～2h in above-mentioned steps (3).
Present invention also offers the preparation method of steam turbine oil as above, step is as follows：
(1) II class base oil is warming up to 90～110 DEG C, is subsequently adding adsorbent, after stirring 15～25min, will mix
Thing filters；
(2) by filter after II class base oil be heated to 60 DEG C, be subsequently adding alkyl diphenylamine, dinonyl naphthalene sulfonate barium,
Benzotriazole derivant, castor oil polyoxyethylene ether and oxirane, obtain final product steam turbine oil after stirring.
Preferably, temperature rises to 100 DEG C in step (1).
Preferably, mixing time is 20min in step (1).
Bentonite and galapectite are processed using above-mentioned technique simultaneously, the collaborative work of bentonite and galapectite can be further enhanced
With effect, compared to the technique individually processing bentonite and galapectite, present invention process more simple and fast, wherein above-mentioned work
In skill, during ultrasonic Treatment, treatment temperature, process time and ultrasonic power control more key, and condition control is improper all can shadow
Ring the synergistic action effect of bentonite and galapectite.
The invention has the beneficial effects as follows：The present invention adopts pretreated bentonite and galapectite as adsorbent, due to
There is certain preference in the absorption to steam turbine oil basis well cuts respectively for bentonite and galapectite, carries in the present invention
For proportioning under, the impurity in base oil can be rapidly removed, thus greatly improving the quality of base oil in hydraulic oil；The present invention
The steam turbine oil of preparation is more thorough because impurity removes, and the performance such as its anti-oxidative stability, corrosion resistance is prepared than existing method
Steam turbine oil more excellent.
Specific embodiment
With reference to specific embodiment, technical scheme is described further.
If not raw material of the present invention and equipment refer in particular to, all it is commercially available or commonly used in the art, implement
Method in example, if no special instructions, is the conventional method of this area.
Embodiment 1
Steam turbine oil in the present embodiment is prepared from the following materials：Alkyl diphenylamine 0.8g, dinonyl naphthalene sulfonate barium
1g, benzotriazole derivant 0.5g, castor oil polyoxyethylene ether 0.6g, oxirane 0.5g, adsorbent 3.5g, II class base oil
95g, described adsorbent is 1 for mass ratio:0.5 bentonite and the mixture of galapectite.
Preparation method is：(1) II class base oil is placed in reactor, is warming up to 100 DEG C, is subsequently adding adsorbent, stir
After mixing 20min, mixture priority is passed through barrier film oil filter and plate oil-filter filters out adsorbent；
(2) by filter after II class base oil be heated to 60 DEG C, be subsequently adding alkyl diphenylamine, dinonyl naphthalene sulfonate barium,
Benzotriazole derivant, castor oil polyoxyethylene ether and oxirane, obtain final product steam turbine oil after stirring.
Wherein, in the present embodiment, the preparation method of adsorbent is as follows：
(1) bentonite was pulverized 80 mesh sieves, galapectite was pulverized 100 mesh sieves, in mass ratio 1:After 0.5 weighs and sieves
Bentonite and galapectite, after mix homogeneously bentonite and galapectite mixed-powder；
(2) mixed-powder of step (1) is added in the hydrochloric acid solution of 0.06mol/L, after stirring, adopt ultrasound wave
Process, wherein mixed-powder and the mass ratio of hydrochloric acid solution are 1:3, ultrasonic Treatment temperature is 50 DEG C, and process time is
15min, processing power is 800W；
(3) solution after ultrasonic Treatment is filtered, filtering residue is washed with water to neutrality, is subsequently placed in 380 DEG C of calcining 1.5h,
Obtain final product adsorbent.
Embodiment 2
Steam turbine oil in the present embodiment is prepared from the following materials：Alkyl diphenylamine 0.5g, dinonyl naphthalene sulfonate barium
0.8g, benzotriazole derivant 0.4g, castor oil polyoxyethylene ether 0.5g, oxirane 0.4g, adsorbent 2g, II class base oil
90g, described adsorbent is the mixture of bentonite and galapectite, and bentonite is 1 with the mass ratio of galapectite:0.4.
Preparation method is：(1) II class base oil is placed in reactor, and is warming up to 90 DEG C, be subsequently adding adsorbent, stir
After mixing 15min, mixture priority is passed through barrier film oil filter and plate oil-filter filters out adsorbent；
(2) by filter after II class base oil be heated to 60 DEG C, be subsequently adding alkyl diphenylamine, dinonyl naphthalene sulfonate barium,
Benzotriazole derivant, castor oil polyoxyethylene ether and oxirane, obtain final product steam turbine oil after stirring.
Wherein, in the present embodiment, the preparation method of adsorbent is as follows：
(1) bentonite was pulverized 80 mesh sieves, galapectite was pulverized 100 mesh sieves, in mass ratio 1:After 0.4 weighs and sieves
Bentonite and galapectite, after mix homogeneously bentonite and galapectite mixed-powder；
(2) mixed-powder of step (1) is added in the hydrochloric acid solution of 0.06mol/L, after stirring, adopt ultrasound wave
Process, wherein mixed-powder and the mass ratio of hydrochloric acid solution are 1:4, ultrasonic Treatment temperature is 50 DEG C, and process time is
15min, processing power is 800W；
(3) solution after ultrasonic Treatment is filtered, filtering residue is washed with water to neutrality, be subsequently placed in 360 DEG C of calcining 1h, that is,
Obtain adsorbent.
Embodiment 3
Steam turbine oil in the present embodiment is prepared from the following materials：Alkyl diphenylamine 1g, dinonyl naphthalene sulfonate barium
1.2g, benzotriazole derivant 0.6g, castor oil polyoxyethylene ether 0.8g, oxirane 0.6g, adsorbent 5g, II class base oil
100g, described adsorbent is the mixture of bentonite and galapectite, and bentonite is 1 with the mass ratio of galapectite:0.6.
Preparation method is：(1) II class base oil is placed in reactor, and is warming up to 110 DEG C, be subsequently adding adsorbent,
After stirring 25min, mixture priority is passed through barrier film oil filter and plate oil-filter filters out adsorbent；
(2) by filter after II class base oil be heated to 60 DEG C, be subsequently adding alkyl diphenylamine, dinonyl naphthalene sulfonate barium,
Benzotriazole derivant, castor oil polyoxyethylene ether and oxirane, obtain final product steam turbine oil after stirring.
Wherein, in the present embodiment, the preparation method of adsorbent is as follows：
(1) bentonite was pulverized 80 mesh sieves, galapectite was pulverized 100 mesh sieves, in mass ratio 1:After 0.4 weighs and sieves
Bentonite and galapectite, after mix homogeneously bentonite and galapectite mixed-powder；
(2) mixed-powder of step (1) is added in the hydrochloric acid solution of 0.06mol/L, after stirring, adopt ultrasound wave
Process, wherein mixed-powder and the mass ratio of hydrochloric acid solution are 1:4, ultrasonic Treatment temperature is 50 DEG C, and process time is
15min, processing power is 800W；
(3) solution after ultrasonic Treatment is filtered, filtering residue is washed with water to neutrality, be subsequently placed in 400 DEG C of calcining 2h, that is,
Obtain adsorbent.
The steam turbine oil of embodiment 1, embodiment 2 and embodiment 3 preparation is tested, every physical and chemical index is shown in Table
1.
The indices test result of the steam turbine oil of table 1 embodiment 1～3 preparation
The steam turbine oil indices of embodiment 1～3 preparation are above national standard, and the steam turbine that the present invention provides is described
Oil, due to the thorough removing to the impurity such as non-hydrocarbon compound of oxygen, sulfur, nitrogen in base oil, effectively increases the property of steam turbine oil
Energy.
Claims (10)
1. a kind of steam turbine oil is it is characterised in that be prepared from by the raw material of following weight portion：0.5～1 part of alkyl diphenylamine,
0.8～1.2 part of dinonyl naphthalene sulfonate barium, 0.4～0.6 part of benzotriazole derivant, 0.5～0.8 part of castor oil polyoxyethylene ether, ring
0.4～0.6 part of oxidative ethane, 2～5 parts of adsorbent, II 90～100 parts of class base oil；
Described adsorbent is the mixture of bentonite and galapectite, and bentonite is 1 with the mass ratio of galapectite:0.4～0.6.
2. steam turbine oil according to claim 1 is it is characterised in that be prepared from by the raw material of following weight portion：Alkyl
0.8 part of diphenylamines, 1 part of dinonyl naphthalene sulfonate barium, 0.5 part of benzotriazole derivant, 0.6 part of castor oil polyoxyethylene ether, epoxy second
0.5 part of alkane, 3.5 parts of adsorbent, II 95 parts of class base oil；
Described adsorbent is 1 for mass ratio:0.5 bentonite and the mixture of galapectite.
3. steam turbine oil according to claim 1 and 2 is it is characterised in that the preparation method of described adsorbent is as follows：
(1) bentonite is pulverized 80 mesh sieves, galapectite was pulverized 100 mesh sieves, weigh the swelling after sieving by ratio requirement
Soil and galapectite, obtain the mixed-powder of bentonite and galapectite after mix homogeneously；
(2) mixed-powder of step (1) is added in the hydrochloric acid solution of 0.06mol/L, after stirring, adopt ultrasonic Treatment；
(3) solution after ultrasonic Treatment is filtered, after filtering residue is washed with water to neutrality, obtain final product described adsorbent through calcining.
4. steam turbine oil according to claim 3 it is characterised in that in step (2) mixed-powder and hydrochloric acid solution matter
Amount ratio is 1:3～4.
5. steam turbine oil according to claim 3 it is characterised in that in step (2) ultrasonic Treatment temperature be 50 DEG C, place
The reason time is 15min, and processing power is 800W.
6. steam turbine oil according to claim 3 it is characterised in that in step (3) calcining heat be 360～400 DEG C.
7. steam turbine oil according to claim 3 it is characterised in that in step (3) calcination time be 1～2h.
8. a kind of preparation method of the steam turbine oil as described in any one as claim 1 to 7 is it is characterised in that step is as follows：
(1) II class base oil is warming up to 90～110 DEG C, is subsequently adding adsorbent, after stirring 15～25min, by mixture mistake
Filter；
(2) II class base oil after filtering is heated to 60 DEG C, is subsequently adding alkyl diphenylamine, dinonyl naphthalene sulfonate barium, benzene three
Zole derivatives, castor oil polyoxyethylene ether and oxirane, obtain final product steam turbine oil after stirring.
9. steam turbine oil according to claim 8 preparation method it is characterised in that in step (1) temperature rise to 100
℃.
10. steam turbine oil according to claim 8 preparation method it is characterised in that in step (1) mixing time be
20min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106967482A (en) * | 2017-03-01 | 2017-07-21 | 浙江吉利控股集团有限公司 | One kind is used for Lubricant composition for methanol engine and preparation method thereof |
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Application publication date: 20170215 |