CN102911765A - Composition for lubricating acidic reacting gas compressor and preparation method thereof - Google Patents
Composition for lubricating acidic reacting gas compressor and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a composition for lubricating an acidic reacting gas compressor and a preparation method of the composition. The lubricating oil composition comprises poly-alpha olefin, antirust agent, metal deactivator, antioxygen and polyisobutylene succimide based on the weight ratio of (98.19 to 99.8): (0.05 to 0.1): (0.05 to 0.2): (0.1 to 0.8): (0.3 to 0.1). Compared with the prior art, the preparation method disclosed by the invention has the advantages that the polyisobutylene succimide is used as a dispersing agent; the polyisobutylene succimide is a material with surface activity, which is capable of absorbing the solid granular pollutants in oil products and suspending the pollutants on the surface of the oil, so that the oil sludge can be prevented from generating in the oil product, thereby the equipment can be effectively prevented from being blocked. As the experiment results shown, the composition for lubricating the acidic reacting gas compressor has the characteristic of being low in oil sludge, capability of resisting the corrosion reaction of the acidic gas and performing lubricating at high temperature and high pressure conditions, so as to prevent the parts of the compressor from wearing.
Description
Technical field
The present invention relates to technical field of lubricating oil, more particularly, relate to a kind of acid gas compression machine lubricating oil composition and preparation method thereof.
Background technology
Gas compressor is the mechanical means of compression, transferring energy or Transfer Medium for gaseous media, is widely used in industries such as general industry and petrochemical compleies.Because the medium of gas compressor compression comprises rare gas element, high resolution gas, reactive gas or reactant gas etc., therefore, the lubricating oil that gas compressor adopts considers except needs the performances such as lubricated, sealing and cooling, also need consider with solvability, the reactivity of gas and whether can pollute pressurized gas etc.If gas dissolves in lubricating oil, can cause oil body to descend, oil-bound film is rinsed, and produces foam and air pocket when pressure drop, reduces lubricant effect, the wearing and tearing of aggravation compressor part; If gas and lubricating oil react, then can cause the degradation of lubricating oil, and the solid reactant that generates stops up oil circuit, cause compressor damage, even can cause and catch fire or the serious problems such as blast.
Because general mineral oil component is complicated, some component wherein may and react with sour gas, when the gas of easy reaction is compressed, compressor apparatus and lubricating oil are subject to chemical corrosion, and mineral oil has the tendency that suppresses catalyzer, therefore, it is base oil that the lubricating oil that is used for the acid gas compression machine mainly adopts synthetic oil, mainly comprises the types such as poly-alpha olefins (PAO), hydrocracking stable hydrocarbon, fluorinated silicone oil and alkyl methyl silicone oil.Wherein, fluorinated silicone oil and alkyl methyl silicone oil price are extremely expensive, are not suitable for industrial spread and use; Hydrocracking stable hydrocarbon and additive compatibility are bad, have the shortcoming of easily separating out.At present, PAO is owing to have viscosity index height, pour point is low and frictional coefficient is lower advantage, is widely used in the acid gas compression machine with the base oil of lubricating oil composition, but, the antioxidant property of PAO is relatively poor, easily and the acid-reaction gas reaction, thereby causes the greasy filth occluding device that forms.
Additive is the important component in the lubricating oil composition, can strengthen the base oil characteristic or give base oil some characteristic.The inventor considers, by selecting suitable additive synthetic acidic gas compressor lubricating oil composition, this lubricating oil composition can not react with sour gas on the one hand, guarantee the acid-reaction gas purity, on the other hand, this lubricating oil composition has low greasy filth characteristic, effectively prevents the obstruction of equipment.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of acid gas compression machine lubricating oil composition and preparation method thereof, and this lubricating oil composition does not react with sour gas, and has low greasy filth characteristic.
In order to solve above technical problem, the invention provides a kind of acid gas compression machine lubricating oil composition, comprise that weight ratio is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.05 ~ 0.2): (0.1 ~ 0.8): the polyalphaolefin of (0.3 ~ 1), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide.
Preferably, described polyalphaolefin is 19～50mm 40 ℃ kinematic viscosity
2/ s.
Preferably, described rust-preventive agent is dodecenylsuccinic acid.
Preferably, described metal passivator is thiadiazoles derivative.
Preferably, described oxidation inhibitor is 2,6 ditertbutylparacresols and/or n-phenyl-a naphthylamines.
Preferably, described oxidation inhibitor is that weight ratio is 2,6 ditertbutylparacresols and the n-phenyl-a naphthylamines of 1:1.
Preferably, also comprise dimethyl silicone oil.
Preferably, comprise that also model is the emulsion splitter of LZ5957.
Preferably, the weight ratio of described polyalphaolefin, rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): (0.3 ~ 0.5).
Accordingly, the present invention also provides the preparation method of a kind of acid gas compression machine with lubricating oil composition, may further comprise the steps:
Be (98.19 ~ 99.8) with weight ratio: (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): the polyalphaolefin of (0.3 ~ 0.5), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide obtain acid gas compression machine lubricating oil composition 60 ~ 80 ℃ of lower mixing after the cooling.
The invention provides a kind of acid gas compression machine lubricating oil composition and preparation method thereof, this lubricating oil composition comprises that weight ratio is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.05 ~ 0.2): (0.1 ~ 0.8): the polyalphaolefin of (0.3 ~ 1), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide.Compared with prior art, the present invention is take polyisobutene succinimide as dispersion agent, because polyisobutene succinimide is a kind of surface-active material that has, can adsorb the solid grain contamination in the oil product, and make pollutent be suspended in the surface of oil, thereby suppressed the generation of greasy filth in the oil product, effectively prevented the obstruction of equipment.Experimental result shows that acid gas compression machine provided by the invention has low greasy filth characteristic with lubricating oil composition, and the corrosion reaction of having resisted sour gas can provide lubricated under high temperature, condition of high voltage, prevented the wearing and tearing of compressor part.
Embodiment
The below is clearly and completely described the technical scheme in the embodiment of the invention, and obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The invention discloses a kind of acid gas compression machine lubricating oil composition, comprise that weight ratio is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.05 ~ 0.2): (0.1 ~ 0.8): the polyalphaolefin of (0.3 ~ 1), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide.
Polyalphaolefin (PAO) is the synthetic hydrocarbon matter of a kind of hydrogenation basis liquid, it is good to have the high and low temperature performance, operating temperature range is large, flash-point and burning-point are high, use safety, rate of evaporation is low, and coking is few, long service life, viscosity index is high, viscosity temperature characteristic is good, emulsion resistance, antifoam property excellence, good electric property and thermostability and chemical stability, nontoxic, nonirritant, the characteristics such as biological degradability is good, therefore, polyalphaolefin uses as base oil with in the lubricating oil composition at acid gas compression machine provided by the invention.As preferably, described polyalphaolefin is 19 ~ 50mm 40 ℃ kinematic viscosity
2/ s is preferably 30 ~ 50mm
2/ s, more preferably 40 ~ 45mm
2/ s.
In addition, lubricating oil composition provided by the invention also adds an amount of additive, such as rust-preventive agent, metal passivator, oxidation inhibitor and dispersion agent etc.Rust-preventive agent, metal passivator, oxidation inhibitor and dispersion agent that the present invention adopts are preferably has low volatility, and not with the material of sour gas reaction, thereby do not affect the reactant gas subsequent reactions.Wherein, rust-preventive agent can prevent lubricating oil composition to the corrosion of equipment, thus the metal parts of securing system.Described rust-preventive agent is preferably dodecenylsuccinic acid, and its model is T746, the present invention can also adopt other low volatilities, not with the rust-preventive agent of sour gas reaction, there is no particular restriction to this.And there is no particular restriction for the manufacturer of described rust-preventive agent dodecenylsuccinic acid in the present invention, can adopt the product of manufacturer well known to those skilled in the art.
Metal passivator can prevent the acid gas compression machine with the corrosion of lubricating oil composition to equipment, thus the metal parts of securing system, especially non-ferrous metal part.The metal passivator that the present invention adopts be preferably low volatility, not with the metal passivator of sour gas reaction, thiadiazoles derivative more preferably, more preferably adopting model is the metal passivator of T561.There is no particular restriction for the manufacturer of described metal passivator in the present invention, can adopt the product of the manufacturer that those skilled in the art know.
In addition, also comprise oxidation inhibitor in the lubricating oil composition provided by the invention, this oxidation inhibitor can delay the oxidation of base oil in storage and use procedure, prolongs the life-span of lubricating oil composition.The antioxygen that the present invention adopts be preferably low volatility, not with the oxidation inhibitor of sour gas reaction, 2,6 ditertbutylparacresols and/or n-phenyl-a naphthylamines more preferably, more preferably weight ratio is 2,6 ditertbutylparacresols and the n-phenyl-a naphthylamines of 1:1.Wherein, 2,6 ditertbutylparacresols are obvious at antioxidant effect below 100 ℃; N-phenyl-a naphthylamines is at the high-temperature oxidation resistant successful, and therefore, the present invention is used 2,6 ditertbutylparacresols and n-phenyl-a naphthylamines, has guaranteed the antioxidant effect of this lubricating oil composition.According to the present invention, the weight ratio of 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines and polyalphaolefin is preferably (0.05 ~ 0.4): (0.05 ~ 0.4): (98.19 ~ 99.8), more preferably (0.2 ~ 0.3): (0.2 ~ 0.3): (98.19 ~ 99.8).
The present invention is take polyisobutene succinimide as dispersion agent, because polyisobutene succinimide is a kind of surface-active material that has, solid grain contamination in can adsorbed oil, and make pollutent be suspended in the surface of oil, thereby suppressed the generation of greasy filth in the oil product, effectively prevented the obstruction of equipment.The model of described polyisobutene succinimide is T155, and wherein, there is no particular restriction for the manufacturer of described polyisobutene succinimide in the present invention, can adopt the product of the manufacturer that those skilled in the art know.
According to the present invention, the weight ratio of polyalphaolefin, rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide is to affect the important factor that the acid gas compression machine is used lubricating oil composition character equally, the weight ratio of described polyalphaolefin, rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide is preferably 98.19 ~ 99.8): (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): (0.3 ~ 0.5), more preferably (98.19 ~ 99.8): 0.05:0.2:0.6:(0.3 ~ 0.5).
In addition, the present invention also preferably includes one or more in anticorrosive agent, pour point depressant, kilfoam, emulsion splitter and the mask agent.Wherein, anticorrosive agent, pour point depressant, kilfoam, emulsion splitter and the mask agent that the present invention adopts is preferably not the material with the sour gas reaction, described anticorrosive agent is preferably 124 Triazole, model is T551, itself and oxidation inhibitor have preferably synergistic effect, thereby have further guaranteed the oxidation resistant performance of this lubricating oil composition.The weight ratio of described anticorrosive agent and polyalphaolefin is preferably (0.01 ~ 0.5): (98.19 ~ 99.8), more preferably (0.01 ~ 0.1): (98.19 ~ 99.8).Described pour point depressant is preferably methacrylic ester, and model is vx1-248, has the condensation point that reduces oil product, guarantees the effect of low temperature properties.The weight ratio of described pour point depressant and polyalphaolefin is preferably (0.01 ~ 0.5): (98.19 ~ 99.8), more preferably (0.01 ~ 0.1): (98.19 ~ 99.8).Described kilfoam is preferably dimethyl silicone oil, and model is T901, can suppress the generation of oil product bubble in system.Described kilfoam and acid gas compression machine are preferably 0.0008 ~ 0.0012 with the weight ratio of lubricating oil composition, and more preferably 0.001.Emulsion splitter is preferably amine and epoxide condenses, and more preferably model is the emulsion splitter of LZ5957; Mask agent has doing in of screening flavor, preferably adopts oily perfume.Described mask agent and acid gas compression machine are preferably 0.0001 ~ 0.0012 with the weight ratio of lubricating oil composition, and more preferably 0.0002 ~ 0.0005.
Can find out that from technique scheme acid gas compression machine provided by the invention mainly has following characteristics with lubricating oil composition:
A, after the acid gas compression machine uses this lubricating oil composition, oil product does not produce greasy filth, can play simultaneously dissolving cleaning effect on the compressor of existing greasy filth;
B, this lubricating oil composition can be resisted corrosion reaction and the untoward reaction of HCl gas, can provide effectively lubricated under long-term high pressure and the temperature condition more than 110 ℃, prevent the compressor part wearing and tearing;
Additive in c, the oil product and acid-reaction gas are reactionless, guarantee the acid-reaction gas purity, do not affect its subsequent reactions;
D, this lubricating oil composition have good adaptability with the metal that contacts and non-metallic material, can form perfect oil film, effectively prevent equipment corrosion;
E, oil product have low bio-toxicity, low smell, can guarantee that operator's is healthy.
Accordingly, the present invention also provides the preparation method of a kind of acid gas compression machine with lubricating oil composition, may further comprise the steps: weight ratio is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): the polyalphaolefin of (0.3 ~ 0.5), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide obtain acid gas compression machine lubricating oil composition 60 ~ 80 ℃ of lower mixing after the cooling.
Wherein, described poly-α alkene is 19 ~ 50mm 40 ℃ kinematic viscosity
2/ s is preferably 30 ~ 50mm
2/ s, more preferably 40 ~ 45mm
2/ s.Rust-preventive agent, metal passivator, oxidation inhibitor and dispersion agent etc. that the present invention adopts preferably have low volatility, and not with the material of sour gas reaction, do not affect the reactant gas subsequent reactions.Wherein, rust-preventive agent can prevent lubricating oil composition to the corrosion of equipment, thus the metal parts of securing system.Described rust-preventive agent is preferably dodecenylsuccinic acid, and its model is T746, the present invention can also adopt other low volatilities, not with the rust-preventive agent of sour gas reaction, there is no particular restriction to this.And there is no particular restriction for the manufacturer of described rust-preventive agent dodecenylsuccinic acid in the present invention, can adopt the product of the manufacturer that those skilled in the art know.The metal passivator that the present invention adopts be preferably low volatility, not with the metal passivator of sour gas reaction, thiadiazoles derivative more preferably, more preferably adopting model is the metal passivator of T561.The antioxygen that invention is adopted be preferably low volatility, not with the oxidation inhibitor of sour gas reaction, 2,6 ditertbutylparacresols and/or n-phenyl-a naphthylamines more preferably, more preferably weight ratio is 2,6 ditertbutylparacresols and the n-phenyl-a naphthylamines of 1:1.Wherein, 2,6 ditertbutylparacresols are obvious at antioxidant effect below 100 ℃; N-phenyl-a naphthylamines is at the high-temperature oxidation resistant successful, and therefore, the present invention has guaranteed the antioxidant effect of this lubricating oil composition because 2,6 ditertbutylparacresols and n-phenyl-a naphthylamines are used.The present invention is take polyisobutene succinimide as dispersion agent, and the model of described polyisobutene succinimide is T155.
Simultaneously, there is no particular restriction with the container of lubricating oil composition to preparation acid gas compression machine in the present invention, preferably carries out in compounding kettle.Described acid gas compression machine preferably is specially with the preparation process of lubricating oil composition: polyalphaolefin is added in the compounding kettle, be heated to 70 ~ 120 ℃, it is inferior to add rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinyl after being cooled to 60 ~ 80 ℃, filter after stirring, obtain acid gas compression machine lubricating oil composition.
In sum, the present invention is take PAO as base oil, add specific additive, make acid gas compression machine provided by the invention have good lubricated, chemical stability, anti-oxidant, low greasy filth, low bio-toxicity with lubricating oil composition and do not participate in the characteristic such as reactant gases subsequent reactions.
In order to further specify technical scheme of the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just as further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The chemical reagent that the embodiment of the invention and comparative example adopt is commercial.
Embodiment 1
PAO10: 98.568 weight parts
Thiadiazoles: 0.2 weight part
Dodecenylsuccinic acid: 0.05 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Polyisobutene succinimide: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, polyisobutene succinimide, dimethyl silicone oil and amine and epoxide condenses, mix, filter, packing obtains acid gas compression machine lubricating oil composition.
Acid gas compression machine to the present embodiment preparation carries out performance measurement with lubricating oil composition, and the result is as shown in table 1.
The acid gas compression machine of the table 1 embodiment 1 preparation results of property of lubricating oil composition
Can find out that from above-mentioned detected result the oil product outward appearance of present embodiment preparation is limpid, non-ferrous metal and ferrous metal are anticorrosive qualified, reactionless with sour gas, this index of oil product keeps better almost not having greasy filth after the oxidation, and the work that effectively alleviates operator's cleaning is slight.
Embodiment 2
10: 98.568 weight parts of PAO
Thiadiazoles: 0.2 weight part
Dodecenylsuccinic acid: 0.05 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Polyisobutene succinimide: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Oily perfume: 0.001 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, polyisobutene succinimide, methacrylic ester, dimethyl silicone oil, amine and epoxide condenses and oily perfume, mix, filter, packing obtains acid gas compression machine lubricating oil composition.
Acid gas compression machine to the present embodiment preparation carries out performance measurement with lubricating oil composition, and the result is as shown in table 2.
The acid gas compression machine of the table 2 embodiment 2 preparations results of property of lubricating oil composition
Can find out from above-described embodiment, compare with embodiment 1 that after present embodiment increased oily perfume, the oil product property indices was stable, but smell of product descends obviously, to reducing operator to the sense of discomfort of smell.
Embodiment 3
10: 98.568 weight parts of PAO
Thiadiazoles: 0.2 weight part
Dodecenylsuccinic acid: 0.05 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Polyisobutene succinimide: 0.3 weight part
Methacrylic ester: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Oily perfume: 0.001 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, polyisobutene succinimide, methacrylic ester, dimethyl silicone oil, amine and epoxide condenses and oily perfume, mix, filter, packing obtains acid gas compression machine lubricating oil composition.
Acid gas compression machine to the present embodiment preparation carries out performance measurement with lubricating oil composition, and the result is as shown in table 3.
The acid gas compression machine of the table 3 embodiment 3 preparations results of property of lubricating oil composition
Compare with embodiment 2, after present embodiment increased methacrylic ester, the oil product property indices was stable, but the pour point of oil product and target viscosity index raising, and the raising of the low-temperature performance of oil product, be particularly suitable in the use of north of china in winter temperature than lowland area.
Embodiment 4
10: 98.498 weight parts of PAO
Thiadiazoles: 0.2 weight part
Dodecenylsuccinic acid: 0.1 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Polyisobutene succinimide: 0.3 weight part
Methacrylic ester: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Oily perfume: 0.001 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, polyisobutene succinimide, methacrylic ester, dimethyl silicone oil, amine and epoxide condenses and oily perfume, mix, filter, packing obtains acid gas compression machine lubricating oil composition.
Acid gas compression machine to the present embodiment preparation carries out performance measurement with lubricating oil composition, and the result is as shown in table 4.
The acid gas compression machine of the table 4 embodiment 4 preparations results of property of lubricating oil composition
Can find out from above-described embodiment, compare with embodiment that after present embodiment increased ferrous metal rust-preventive agent dodecenylsuccinic acid consumption, the oil product outward appearance was to a certain degree muddy, illustrates that the solubleness of dodecenylsuccinic acid in D170 is limited.
Comparative example 1
10: 98.468 weight parts of PAO
Thiadiazoles: 0.2 weight part
124 Triazole: 0.1 weight part
Polyisobutene succinimide: 0.3 weight part
Dodecenylsuccinic acid: 0.05 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Methacrylic ester: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Oily perfume: 0.001 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, 124 Triazole, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, polyisobutene succinimide, methacrylic ester, dimethyl silicone oil, amine and epoxide condenses and oily perfume, mix, filter, packing obtains acid gas compression machine lubricating oil composition.
Acid gas compression machine to the preparation of this comparative example carries out performance measurement with lubricating oil composition, and the result is as shown in table 5.
The acid gas compression machine of the table 5 comparative example 1 preparation results of property of lubricating oil composition
Can find out that from the result of above comparative example behind the use 124 Triazole non-ferrous metal passivator, the oil product outward appearance is limpid, without obvious additive smell, non-ferrous metal and ferrous metal are anticorrosive qualified, but respond with sour gas.
Comparative example 2
10: 98.868 weight parts of PAO
Thiadiazoles: 0.2 weight part
Dodecenylsuccinic acid: 0.05 weight part
2,6 ditertbutylparacresols: 0.3 weight part
N-phenyl-a naphthylamines: 0.3 weight part
Methacrylic ester: 0.3 weight part
Dimethyl silicone oil: 0.001 weight part
Amine and epoxide condenses: 0.01 weight part
Oily perfume: 0.001 weight part
Production technique is: be warmed up to 100 ℃ by above-mentioned weight part adding PAO 10 base oils and slough moisture, cool to 60 ~ 80 ℃, add thiadiazoles, dodecenylsuccinic acid, 2,6 ditertbutylparacresols, n-phenyl-a naphthylamines, methacrylic ester, dimethyl silicone oil, amine and epoxide condenses and oily perfume, mix, filter, packing obtains lubricating oil composition.
Lubricating oil composition to the preparation of this comparative example carries out performance measurement, and the result is as shown in table 6.
The results of property of the lubricating oil composition of table 6 comparative example 2 preparations
Can find out that from the result of above-mentioned comparative example this comparative example does not adopt dispersion agent, the oil product outward appearance that obtains is limpid, without obvious additive smell, non-ferrous metal and ferrous metal are anticorrosive qualified, and be reactionless with sour gas, oil product greasy filth showed increased after the oxidation, oil product filterableness variation.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. acid gas compression machine lubricating oil composition, it is characterized in that, comprise that weight ratio is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.05 ~ 0.2): (0.1 ~ 0.8): the polyalphaolefin of (0.3 ~ 1), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide.
2. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, described polyalphaolefin is 19 ~ 50mm 40 ℃ kinematic viscosity
2/ s.
3. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, described rust-preventive agent is dodecenylsuccinic acid.
4. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, described metal passivator is thiadiazoles derivative.
5. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, described oxidation inhibitor is 2,6 ditertbutylparacresols and/or n-phenyl-a naphthylamines.
6. acid gas compression machine lubricating oil composition according to claim 5 is characterized in that, described oxidation inhibitor is that weight ratio is 2,6 ditertbutylparacresols and the n-phenyl-a naphthylamines of 1:1.
7. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, also comprises dimethyl silicone oil.
8. acid gas compression machine lubricating oil composition according to claim 1 is characterized in that, comprises that also model is the emulsion splitter of LZ5957.
9. acid gas compression machine lubricating oil composition according to claim 1, it is characterized in that the weight ratio of described polyalphaolefin, rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide is (98.19 ~ 99.8): (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): (0.3 ~ 0.5).
10. the preparation method of an acid gas compression machine usefulness lubricating oil composition is characterized in that, may further comprise the steps:
Be (98.19 ~ 99.8) with weight ratio: (0.05 ~ 0.1): (0.1 ~ 0.2): (0.6 ~ 0.8): the polyalphaolefin of (0.3 ~ 0.5), rust-preventive agent, metal passivator, oxidation inhibitor and polyisobutene succinimide obtain acid gas compression machine lubricating oil composition 60 ~ 80 ℃ of lower mixing after the cooling.
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| CN105378042A (en) * | 2013-06-28 | 2016-03-02 | Jx日矿日石能源株式会社 | Compressor oil, method for producing compressor oil, method for compressing hydrogen, method for generating electric power, and method for supplying hydrogen |
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| CN101724489A (en) * | 2008-10-15 | 2010-06-09 | 中国石油天然气股份有限公司 | Air compressor oil composition |
| CN102618360A (en) * | 2011-01-27 | 2012-08-01 | 中国石油化工股份有限公司 | Compressor oil composition |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724489A (en) * | 2008-10-15 | 2010-06-09 | 中国石油天然气股份有限公司 | Air compressor oil composition |
| CN102618360A (en) * | 2011-01-27 | 2012-08-01 | 中国石油化工股份有限公司 | Compressor oil composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105378042A (en) * | 2013-06-28 | 2016-03-02 | Jx日矿日石能源株式会社 | Compressor oil, method for producing compressor oil, method for compressing hydrogen, method for generating electric power, and method for supplying hydrogen |
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