CN104152227A - Refrigeration oil and preparation method thereof - Google Patents
Refrigeration oil and preparation method thereof Download PDFInfo
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- CN104152227A CN104152227A CN201410429500.7A CN201410429500A CN104152227A CN 104152227 A CN104152227 A CN 104152227A CN 201410429500 A CN201410429500 A CN 201410429500A CN 104152227 A CN104152227 A CN 104152227A
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- mixed solution
- refrigeration oil
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- pentaerythritolester
- acid
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Abstract
The invention relates to the field of mechanical lubrication and particularly relates to refrigeration oil and a preparation method thereof. The refrigeration oil comprises following components, by volume, 28-76 parts of a first dipentaerythritol ester mixed solution, 23-72 parts of a second dipentaerythritol ester mixed solution, 0.8-1.2 parts of an anti-oxidant, 0.3-0.5 parts of a pour point depressant, 0.001-0.002 parts of a demulsifier, 0.002-0.005 parts of an anti-foaming agent and 0.001-0.002 parts of an antiwear agent. The first dipentaerythritol ester mixed solution is composed of dipentaerythritol, isononanoic acid, heptanoic acid and octanoic acid in equal volumes and the second dipentaerythritol ester mixed solution is composed of dipentaerythritol, isononanoic acid, pentanoic acid and heptanoic acid successively according to a volume ratio being 20-25/37-56/9-20/9-20. The refrigeration oil can satisfy a demand of a low-pour-point lubricant required in the field of an HFC-404A refrigerant.
Description
Technical field
The present invention relates to power lubrication field, in particular to a kind of refrigeration oil and preparation method thereof.
Background technology
Refrigeration oil, claims again lubricating oil, is for the lubricated oil of each moving parts in refrigeration compressing apparatus.To different refrigerating apparatuss, the corresponding dissimilar refrigeration oil of selection.Concrete, for HFC-404A refrigerant field plurality of devices refrigeration equipments such as () freezer, refrigeration equipment peculiar to vessel, industrial low-temperature refrigeration, business cryogenic refrigeration, communications and transportation refrigeration equipment, refrigerator car, refrigerated condensation unit, supermarket display cabinets, in correlation technique, normal CP-4214-320, Solest170 (POE170), Solest220 (POE220) and the Solest120 of adopting is as its internal lubrication oil; But, the pour point higher (being generally-25 DEG C or-27 DEG C) of these four kinds of lubricating oil, and, when needing the temperature of lubricant housings/Working environment to approach or during lower than the pour point of this lubricating oil, the flowing property of this lubricating oil significantly reduces, and then has had a strong impact on its lubricant effect.
Therefore, provide a kind of low pour point, and the lubricating oil that is exclusively used in HFC-404A refrigerant field devices is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of refrigeration oil, to solve above-mentioned technical problem.Another object of the present invention is to provide a kind of preparation method of above-mentioned refrigeration oil.
Refrigeration oil is provided in an embodiment of the present invention, according to volume parts meter, its component comprises: first bis(pentaerythritolester) mixed solution 28-76 part, second bis(pentaerythritolester) mixed solution 23-72 part, oxidation inhibitor 0.8-1.2 part, pour point depressant 0.3-0.5 part, emulsion splitter 0.001-0.002 part, kilfoam 0.002-0.005 part, anti-wear agent 0.001-0.002 part; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20-25/37-56/9-20/9-20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.
This refrigeration oil provided by the invention, its first bis(pentaerythritolester) mixed solution taking set volume proportion and the second bis(pentaerythritolester) mixed solution are as Main Components, concrete, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; The second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20-25/37-56/9-20/9-20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.Be equipped with again various assistant agents (oxidation inhibitor, pour point depressant, emulsion splitter, kilfoam and anti-wear agent) and then obtain refrigeration oil, each component is collaborative to be done mutually, its lubricant effect ideal, after measured, the pour point of this refrigeration oil can reach-40 DEG C, therefore, it has met the demand of the required low pour point lubricating oil of HFC-404A refrigerant field devices (as, refrigeration equipments such as freezer, refrigeration equipment peculiar to vessel, industrial low-temperature refrigeration, business cryogenic refrigeration, communications and transportation refrigeration equipment, refrigerator car, refrigerated condensation unit, supermarket display cabinet).
Optionally, the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 25:37:18:20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.
Optionally, described pour point depressant is specially polymethacrylate.
Optionally, described kilfoam is non-silicon type polymethacrylate.
Optionally, described anti-wear agent is made up of one or more in alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
The embodiment of the present invention also provides a kind of preparation method of above-mentioned refrigeration oil, comprises the following steps:
1), the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution, oxidation inhibitor, pour point depressant, emulsion splitter, kilfoam, anti-wear agent are mixed according to set volume ratio, obtain compound;
2), by described mixed material heating to 100-105 DEG C, be incubated, and stirring and evenly mixing, then naturally cool to normal temperature, obtain refrigeration oil.
Optionally, in step 2) in, soaking time is 40-45 minute.
Optionally, in step 1) and step 2) in, the material of equipment used is 304 stainless steels.
This preparation method provided by the invention, its operating process is simple, and required equipment is simple and easy, more easily realizes the preparation of the required low pour point special lube of HFC-404A refrigerant domain-specific equipment.
Brief description of the drawings
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The preparation flow schematic diagram of the refrigeration oil that Fig. 1 provides for the embodiment of the present invention five.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer; to technical scheme of the present invention be carried out to clear, complete description below; based on the embodiment in the present invention; all other embodiments that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
This refrigeration oil provided by the invention, according to volume parts meter, its component comprises: first bis(pentaerythritolester) mixed solution 28-76 part, second bis(pentaerythritolester) mixed solution 23-72 part, oxidation inhibitor 0.8-1.2 part, pour point depressant 0.3-0.5 part, emulsion splitter 0.001-0.002 part, kilfoam 0.002-0.005 part, anti-wear agent 0.001-0.002 part; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20-25/37-56/9-20/9-20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.
In addition, can pass through preferably moiety and the volume ratio of the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution, and then make the performance of refrigeration oil more excellent (viscosity index reaches more than 110); And by the kind of preferred each assistant agent, make the acid number of refrigeration oil, hydroxyl value all reach more rational scope.The present invention also can be on above-mentioned basis in conjunction with the next item down or whole qualifying parts: preferred, the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 25:37:18:20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid; Preferably, described oxidation inhibitor is made up of with the volume ratio of 3:2 octyl group/butyl pentanoic and polymer phenol fat, and preferred, described pour point depressant is specially polymethacrylate; Preferably, described kilfoam is non-silicon type polymethacrylate; Preferably, described anti-wear agent is made up of one or more in alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
This refrigeration oil provided by the invention, its first bis(pentaerythritolester) mixed solution taking set volume proportion and the second bis(pentaerythritolester) mixed solution are as Main Components, concrete, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; The second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20-25/37-56/9-20/9-20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.Be equipped with again various assistant agents (oxidation inhibitor, pour point depressant, emulsion splitter, kilfoam and anti-wear agent) and then obtain refrigeration oil, each component is collaborative to be done mutually, its lubricant effect ideal, after measured, the pour point of this refrigeration oil can reach-40 DEG C, therefore, it has met the demand of the required low pour point lubricating oil in HFC-404A refrigerant field.
Next, the present invention, also in conjunction with above-mentioned content, provides following specific embodiment to freezing oil composition:
Embodiment mono-
The refrigeration oil of the present embodiment, according to volume parts meter, its component comprises: the first 73 parts of bis(pentaerythritolester) mixed solutions, 27 parts of the second bis(pentaerythritolester) mixed solutions, 0.8 part, oxidation inhibitor, 0.3 part of pour point depressant, 0.001 part of emulsion splitter, 0.002 part of kilfoam, 0.001 part of anti-wear agent; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20:56:10:14 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid; Described oxidation inhibitor is made up of with the volume ratio of 3:2 octyl group/butyl pentanoic and polymer phenol fat; Pour point depressant is specially polymethacrylate; Described kilfoam is non-silicon type polymethacrylate; Described anti-wear agent is made up of isopyknic alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
Embodiment bis-
The refrigeration oil of the present embodiment, according to volume parts meter, its component comprises: the first 61 parts of bis(pentaerythritolester) mixed solutions, 39 parts of the second bis(pentaerythritolester) mixed solutions, 1.2 parts, oxidation inhibitor, 0.5 part of pour point depressant, 0.002 part of emulsion splitter, 0.005 part of kilfoam, 0.002 part of anti-wear agent; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 25:37:18:20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid; Described oxidation inhibitor is made up of with the volume ratio of 3:2 octyl group/butyl pentanoic and polymer phenol fat; Pour point depressant is specially polymethacrylate; Described kilfoam is non-silicon type polymethacrylate; Described anti-wear agent is made up of isopyknic alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
Embodiment tri-
The refrigeration oil of the present embodiment, according to volume parts meter, its component comprises: the first 39 parts of bis(pentaerythritolester) mixed solutions, 61 parts of the second bis(pentaerythritolester) mixed solutions, 1 part, oxidation inhibitor, 0.4 part of pour point depressant, 0.002 part of emulsion splitter, 0.003 part of kilfoam, 0.002 part of anti-wear agent; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to 21/48/20/11 volume ratio successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid; Described oxidation inhibitor is made up of with the volume ratio of 3:2 octyl group/butyl pentanoic and polymer phenol fat; Pour point depressant is specially polymethacrylate; Described kilfoam is non-silicon type polymethacrylate; Described anti-wear agent is made up of isopyknic alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
Embodiment tetra-
The refrigeration oil of the present embodiment, according to volume parts meter, its component comprises: the first 23 parts of bis(pentaerythritolester) mixed solutions, 77 parts of the second bis(pentaerythritolester) mixed solutions, 1.2 parts, oxidation inhibitor, 0.5 part of pour point depressant, 0.002 part of emulsion splitter, 0.003 part of kilfoam, 0.002 part of anti-wear agent; Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition; Described the second bis(pentaerythritolester) mixed solution is made up of according to 20/56/11/13 volume ratio successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid; Described oxidation inhibitor is made up of with the volume ratio of 3:2 octyl group/butyl pentanoic and polymer phenol fat; Pour point depressant is specially polymethacrylate; Described kilfoam is non-silicon type polymethacrylate; Described anti-wear agent is made up of isopyknic alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
For the refrigeration oil that makes the above embodiment of the present invention is better applied, more effectively be applied in the field of power lubrication, the present invention also provides embodiment five on the basis of above-described embodiment, embodiment five has provided the making method of the refrigeration oil of above-described embodiment, now be described in detail and explain, please refer to Fig. 1:
Embodiment five
Please refer to Fig. 1, in the present embodiment, the preparation method of refrigeration oil comprises the following steps:
Step 101: the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution, oxidation inhibitor, pour point depressant, emulsion splitter, kilfoam, anti-wear agent are mixed according to set volume ratio, obtain compound;
In step 101, first the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution (determining in advance the amount of each component according to volume ratio) and various assistant agent are mixed according to set proportioning successively, to obtain compound, the compound obtaining can carry out follow-up heating allocating technology.
Step 102: described mixed material heating, to 100-105 DEG C, is incubated, and stirring and evenly mixing, then naturally cool to normal temperature, obtain refrigeration oil;
Concrete, in allocation process, make each component mix fully in order to realize, and make compound dehydration (the especially moisture in the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution) completely, preferably, mixed material heating, to 100-105 DEG C, and is incubated to 40-45 minute in the process of stirring and evenly mixing.In addition, in whole preparation process, for the degree of cleaning higher (reaching 7 grades) of the refrigeration oil that makes to make, in whole operating process, must use the equipment (as compounding kettle, whipping device and handling equipment etc.) of 304 stainless steels.
In addition, the present invention also provides the property indices contrast of the refrigeration oil that each embodiment makes, and specifically please refer to table 1.
The performance index of the refrigeration oil providing of the each embodiment of table 1
In correlation technique, common for refrigeration oil, as CP-4214-320, Solest170 (POE170), Solest220 (POE220) and Solest120, its pour point is-25 DEG C or-27 DEG C; And the pour point of the refrigeration oil of various embodiments of the present invention is all less than-40 DEG C; Far below two kinds of refrigeration lubrication oil of the prior art; Therefore, it has well met HFC-404A refrigerant field plurality of devices (refrigeration equipment such as freezer, refrigeration equipment peculiar to vessel, industrial low-temperature refrigeration, business cryogenic refrigeration, communications and transportation refrigeration equipment, refrigerator car, refrigerated condensation unit, supermarket display cabinet), the especially demand of the required low pour point lubricating oil of superfreeze equipment.In addition, the refrigeration oil that various embodiments of the present invention provide, through test determination, applies it to after the corresponding equipment in HFC-404A refrigerant field (cryogenic temperature freezing drying equipment), and lower than-120 DEG C in the situation that, it still has preferably lubricant effect; And its working temperature of several refrigeration oils of lifting in prior art is only-70--80 DEG C, therefore, it has more wide in range environment for use the refrigeration oil that the embodiment of the present invention provides.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a refrigeration oil, is characterized in that, according to volume parts meter, its component comprises:
First bis(pentaerythritolester) mixed solution 28-76 part, second bis(pentaerythritolester) mixed solution 23-72 part, oxidation inhibitor 0.8-1.2 part, pour point depressant 0.3-0.5 part, emulsion splitter 0.001-0.002 part, kilfoam 0.002-0.005 part, anti-wear agent 0.001-0.002 part;
Wherein, described the first bis(pentaerythritolester) mixed solution is by isopyknic dipentaerythritol, different n-nonanoic acid, enanthic acid and sad composition;
Described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 20-25/37-56/9-20/9-20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.
2. refrigeration oil according to claim 1, is characterized in that, described the second bis(pentaerythritolester) mixed solution is made up of according to the volume ratio of 25:37:18:20 successively dipentaerythritol, different n-nonanoic acid, valeric acid, enanthic acid.
3. refrigeration oil according to claim 2, is characterized in that, described pour point depressant is specially polymethacrylate.
4. refrigeration oil according to claim 3, is characterized in that, described kilfoam is non-silicon type polymethacrylate.
5. according to the refrigeration oil described in claim 1-4 any one, it is characterized in that, described anti-wear agent is made up of one or more in alkylthio phosphoric acid ester, chain alkyl amine, arylamine.
6. a preparation method for refrigeration oil according to claim 1, is characterized in that, comprises the following steps:
1), the first bis(pentaerythritolester) mixed solution, the second bis(pentaerythritolester) mixed solution, oxidation inhibitor, pour point depressant, emulsion splitter, kilfoam, anti-wear agent are mixed according to set volume ratio, obtain compound;
2), by described mixed material heating to 100-105 DEG C, be incubated, and stirring and evenly mixing, then naturally cool to normal temperature, obtain refrigeration oil.
7. the preparation method of refrigeration oil according to claim 6, is characterized in that, in step 2) in, soaking time is 40-45 minute.
8. the preparation method of refrigeration oil according to claim 7, is characterized in that, in step 1) and step 2) in, the material of equipment used is 304 stainless steels.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107384534A (en) * | 2017-06-15 | 2017-11-24 | 山东海孚石化有限公司 | A kind of gear box of tractor special low temperature lubricating oil and preparation method thereof |
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CN103540386A (en) * | 2007-02-27 | 2014-01-29 | 吉坤日矿日石能源株式会社 | Refrigerator oil and working fluid composition for refrigerator |
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CN103540386A (en) * | 2007-02-27 | 2014-01-29 | 吉坤日矿日石能源株式会社 | Refrigerator oil and working fluid composition for refrigerator |
Non-Patent Citations (1)
Title |
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《设备润滑基础》编写组: "《设备润滑基础》", 30 September 1982 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107384534A (en) * | 2017-06-15 | 2017-11-24 | 山东海孚石化有限公司 | A kind of gear box of tractor special low temperature lubricating oil and preparation method thereof |
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