CN116875362A - Preparation method of ultralow-temperature hydraulic oil for cylinder - Google Patents

Preparation method of ultralow-temperature hydraulic oil for cylinder Download PDF

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Publication number
CN116875362A
CN116875362A CN202310833199.5A CN202310833199A CN116875362A CN 116875362 A CN116875362 A CN 116875362A CN 202310833199 A CN202310833199 A CN 202310833199A CN 116875362 A CN116875362 A CN 116875362A
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hydraulic oil
temperature
mixture
multifunctional additive
reaction kettle
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蒋健
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Zhejiang Conibo Energy Technology Co ltd
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Zhejiang Conibo Energy Technology Co ltd
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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
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and 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
    • C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
    • 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
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • 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
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2215/08—Amides
    • 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
    • C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2221/041—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving sulfurisation of macromolecular compounds, e.g. polyolefins
    • 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
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids

Abstract

The invention discloses a preparation method of ultralow-temperature hydraulic oil for a cylinder, which comprises the steps of weighing preparation raw materials according to specified parts; heating and mixing the base oil; adding a hydraulic oil multifunctional additive to the base oil; heating and homogenizing in a reaction container; cooling the mixture for multistage fine filtration; the method comprises the steps of checking and packaging Wen Zhuangguan, wherein the main components of the hydraulic oil are subjected to a mixed reaction in a gradient heating mode, and the components of the multifunctional additive are subjected to a reaction in a stirring mode with different time gradients, so that different component raw materials can be effectively subjected to a fusion reaction in the preparation process of the twice mixture prepared by the hydraulic oil, the reaction degree of the different components is improved, the preparation effect is ensured, and meanwhile, the prepared hydraulic oil has the characteristics of low viscosity and low temperature resistance, and can keep good fluidity and lubricating property in an extremely low-temperature environment.

Description

Preparation method of ultralow-temperature hydraulic oil for cylinder
Technical Field
The invention relates to the technical field of hydraulic oil preparation, in particular to a preparation method of ultralow-temperature hydraulic oil for a cylinder.
Background
The cylinder is characterized in that a cylinder-shaped empty chamber in the engine is internally provided with a piston pushed by the pressure or expansion force of working fluid, and the cylinder is provided with a similar but non-cylindrical part in a special engine, wherein hydraulic oil in the cylinder is the most main medium for transmitting energy in the actual application process, and simultaneously has the functions of lubrication, cooling, sealing and rust prevention;
in the actual preparation process of the current hydraulic oil, the processing temperature of each raw material cannot be controlled stably in the process of mixing and preparing the raw materials, so that the mixing reaction temperature among different components is different in the process of homogenizing the raw materials due to the instability of the temperature, the reaction effect of each raw material is affected, the stability of the subsequent hydraulic oil is reduced, and the preparation quality of the subsequent hydraulic oil is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a preparation method of ultralow-temperature hydraulic oil for a cylinder, which solves the problems that in the actual preparation process of the current hydraulic oil, the treatment temperature of each raw material cannot be stably controlled in the process of mixing and preparing the raw materials, so that the mixing reaction temperature among different components is different in the process of homogenizing the raw materials due to the instability of the temperature, the reaction effect of each raw material is influenced, the stability of the subsequent hydraulic oil is reduced, and the preparation quality of the subsequent hydraulic oil is influenced.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation method of the ultralow-temperature hydraulic oil for the cylinder specifically comprises the following preparation steps:
s1, weighing preparation raw materials according to specified parts;
s2, heating and mixing the base oil;
s3, adding a hydraulic oil multifunctional additive to the base oil;
s4, heating and homogenizing treatment is carried out in the reaction container;
s5, cooling the mixture for multistage fine filtration;
s6, checking and carrying out temperature control canning and packing.
In the S1, the preparation raw materials are weighed according to the specified parts, namely the preparation raw materials of the hydraulic oil are weighed according to the parts occupied by the preparation raw materials, the composition proportion of each component of the raw materials of the hydraulic oil is controlled, and the stability of the subsequent preparation process of the hydraulic oil is ensured;
the main component raw materials of the hydraulic oil comprise base oil, vulcanized polyisobutene, benzotriazole fatty acid amine salt, polymethacrylate, lauric acid diethanolamide, diisooctyl diphenylamine, titanium dioxide, zinc stearate and hydraulic oil multifunctional additive;
the hydraulic oil multifunctional additive mainly comprises a viscosity improver, an antioxidant, an antiwear agent, an antirust agent and an antifoaming agent.
As a preferable technical scheme of the preparation method of the ultralow-temperature hydraulic oil for the cylinder, in S1, 40 parts of base oil, 15 parts of vulcanized polyisobutene, 4 parts of benzotriazole fatty acid amine salt, 5 parts of polymethacrylate, 13 parts of lauric acid diethanolamide, 5 parts of diisooctyl diphenylamine, 5 parts of titanium dioxide, 5 parts of zinc stearate and 8 parts of hydraulic oil multifunctional additive.
In the S2, heating and mixing the base oil, and mainly adding main component raw materials of the hydraulic oil into a reaction kettle according to the weighed parts and the respective adding sequence for mixing treatment;
in the process that main component raw materials of hydraulic oil are added into a reaction kettle according to a specified sequence, eight main component raw materials of the hydraulic oil are mainly added into the reaction kettle, when each single raw material is added into the reaction kettle in sequence, a heating component of the reaction kettle is controlled to heat the reaction kettle, the temperature of the single raw material is controlled to be 5 ℃, the heating component is controlled to heat the reaction kettle, the temperature is specifically controlled to be 0-5 ℃, 5-10 ℃, 10-15 ℃, 15-20 ℃, 20-25 ℃, 25-30 ℃, 30-35 ℃ and 35-40 ℃ according to the heating process of the raw material addition, and finally after the main raw materials of the hydraulic oil are added into the reaction kettle, the reaction temperature in the reaction kettle is controlled to be 40 ℃, the stirring speed is controlled to be 500r/min, and the stirring time is controlled to be 30min;
stirring was performed at a prescribed stirring speed for 30 minutes to obtain a mixture I.
In the S3, adding the multifunctional additive of hydraulic oil to the base oil means adding the multifunctional additive into a reaction kettle, so that the multifunctional additive reacts with the first mixture in the reaction kettle again;
in the process of adding the multifunctional additive into the reaction kettle, the multifunctional additive is sequentially added into the reaction kettle according to the addition sequence of each component of the multifunctional additive, and when the multifunctional additive is added, the temperature rising component of the reaction kettle is controlled, so that the temperature in the reaction kettle is always controlled at 40 ℃ at constant temperature.
In the step S4, the temperature rising and homogenizing treatment is carried out in the reaction vessel, namely the temperature in the reaction vessel is kept at 40 ℃ continuously in the process of adding the multifunctional additive into the reaction vessel, the viscosity improver, the antioxidant, the antiwear agent, the antirust agent and the defoamer of the components of the multifunctional additive are sequentially added into the reaction vessel, and when the single components are added, the stirring component of the reaction vessel is controlled to carry out stirring treatment, so that the single components of the multifunctional additive are stirred and reacted with the mixture in the reaction vessel in time, and the sequential stirring time of the reaction vessel is controlled to be 5min, 10 min, 15min, 20min and 25min according to the adding sequence of the multifunctional additive.
As a preferable technical scheme of the preparation method of the ultralow-temperature hydraulic oil for the cylinder, in S4, after all the components of the multifunctional additive and the mixture I are respectively subjected to different time gradient stirring treatment, the multifunctional additive and the mixture I are continuously stirred, the stirring speed is increased to 500r/min, and the stirring time is controlled to be 20min, so that a mixture II is obtained.
In the step S5, the mixture is subjected to cooling multistage fine filtration treatment, namely, a mixture II in the reaction kettle after being subjected to mixing homogenization treatment is subjected to high-precision multistage filtration treatment;
in the specific filtering process, the mesh diameter of a filter screen of the filtering component is gradually reduced from top to bottom according to a gradient, a total three-stage filtering means is arranged, and the mixture obtained through three-stage filtering treatment with different degrees does not contain solid particles and fixed impurities.
As a preferable technical scheme of the preparation method of the ultralow-temperature hydraulic oil for the cylinder, in the S6, the inspection and temperature control canning and packing mainly refer to the inspection and canning of the mixture obtained in the step S5;
in the testing process, the presence of solid particles in the mixture is mainly tested, the color and the transparency of the mixture are detected, and the viscosity, the low temperature resistance, the fluidity and the lubricating ability of the mixture are further tested by testing equipment.
In the S6, after the mixture meets the above inspection indexes, the mixture meets the production standard, the mixture is filled by a filling mechanism, cooled to room temperature before filling, and finally packaged.
(III) beneficial effects
Compared with the prior art, the invention provides a preparation method of ultralow-temperature hydraulic oil for a cylinder, which has the following beneficial effects:
1. the main component raw materials of the hydraulic oil are added into the reaction kettle according to the specified sequence, so that each component raw material can be subjected to independent effective reaction, and meanwhile, the reaction kettle is controlled to gradually heat up in a gradient heating mode according to the types of the component raw materials, so that different component raw materials can react in the same temperature interval, the effect of raw material reaction is ensured, meanwhile, the temperature difference of the raw materials in the process of feeding into the reaction is small, the temperature is stable, and the preparation quality of the subsequent hydraulic oil is ensured.
2. The components of the multifunctional additive are sequentially added into the reaction kettle in sequence, and during addition, the independent components are respectively reacted with the mixture, so that the single-component components in the multifunctional additive can effectively respectively react with the mixture, the mixing reaction effect is improved, the homogenizing quality is ensured, and the fusion effect between the multifunctional additive and the main components of the hydraulic oil is improved;
by combining the above, the main components of the hydraulic oil are subjected to a mixing reaction in a gradient heating mode, and the components of the multifunctional additive are subjected to a reaction in a stirring mode with different time gradients, so that different component raw materials can be effectively subjected to a fusion reaction in the preparation process of the twice mixture prepared by the hydraulic oil, the reaction degree of different component components is improved, the preparation effect is ensured, and meanwhile, the prepared hydraulic oil has the characteristics of low viscosity and low temperature resistance by utilizing the reaction between the multifunctional additive and the main component raw materials of the hydraulic oil, and can maintain good fluidity and lubricating property in an extremely low-temperature environment.
3. Through carrying out the multistage fine filtration processing of cooling with the mixture for the mixture of making can carry out the filtration processing that the multistep is meticulous through the filter screen that the mesh diameter is different, so do not contain solid particle and fixed impurity in the messenger mixture, in order to prevent that it from causing the influence to its use subsequently, simultaneously through the means of multistep filtration processing, make mixture and air contact more abundant, it carries out abundant heat dissipation of being convenient for, natural cooling's effect has been improved, guarantee the homogeneity of its cooling rate, make the hydraulic oil of preparation possess higher performance stability simultaneously, the time of follow-up cooling has been shortened, the efficiency of preparation has been improved.
Drawings
FIG. 1 is a flow chart of the steps of the preparation method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1, the present invention provides the following technical solutions: the preparation method of the ultralow-temperature hydraulic oil for the cylinder specifically comprises the following preparation steps:
s1, weighing preparation raw materials according to specified parts;
s2, heating and mixing the base oil;
s3, adding a hydraulic oil multifunctional additive to the base oil;
s4, heating and homogenizing treatment is carried out in the reaction container;
s5, cooling the mixture for multistage fine filtration;
s6, checking and carrying out temperature control canning and packing.
Based on the technical scheme, in S1, the preparation raw materials are weighed according to the specified parts, namely the preparation hydraulic oil raw materials are weighed according to the parts occupied by the preparation hydraulic oil raw materials, the composition proportion of each component of the hydraulic oil composition raw materials is controlled, and the stability of the subsequent preparation process of the hydraulic oil is ensured;
the main component raw materials of the hydraulic oil comprise base oil, vulcanized polyisobutene, benzotriazole fatty acid amine salt, polymethacrylate, lauric acid diethanolamide, diisooctyl diphenylamine, titanium dioxide, zinc stearate and hydraulic oil multifunctional additive;
the hydraulic oil multifunctional additive mainly comprises a viscosity improver, an antioxidant, an antiwear agent, an antirust agent and an antifoaming agent.
Based on the technical scheme, in S1, 40 parts of base oil, 15 parts of vulcanized polyisobutene, 4 parts of benzotriazole fatty acid amine salt, 5 parts of polymethacrylate, 13 parts of lauric acid diethanolamide, 5 parts of diisooctyl diphenylamine, 5 parts of titanium dioxide, 5 parts of zinc stearate and 8 parts of hydraulic oil multifunctional additive.
Based on the technical scheme, in S2, heating and mixing the base oil, mainly adding main component raw materials of hydraulic oil into a reaction kettle according to the weighed parts and the respective adding sequence for mixing;
in the process that main component raw materials of hydraulic oil are added into a reaction kettle according to a specified sequence, eight main component raw materials of the hydraulic oil are mainly added into the reaction kettle, when each single raw material is added into the reaction kettle in sequence, a heating component of the reaction kettle is controlled to heat the reaction kettle, the temperature of the single raw material is controlled to be 5 ℃, the heating component is controlled to heat the reaction kettle, the temperature is specifically controlled to be 0-5 ℃, 5-10 ℃, 10-15 ℃, 15-20 ℃, 20-25 ℃, 25-30 ℃, 30-35 ℃ and 35-40 ℃ according to the heating process of the raw material addition, and finally after the main raw materials of the hydraulic oil are added into the reaction kettle, the reaction temperature in the reaction kettle is controlled to be 40 ℃, the stirring speed is controlled to be 500r/min, and the stirring time is controlled to be 30min;
stirring was performed at a prescribed stirring speed for 30 minutes to obtain a mixture I.
Based on the technical scheme, in S3, adding the hydraulic oil multifunctional additive to the base oil means that the multifunctional additive is added into a reaction kettle, so that the multifunctional additive reacts with a mixture I in the reaction kettle again;
in the process of adding the multifunctional additive into the reaction kettle, the multifunctional additive is sequentially added into the reaction kettle according to the addition sequence of each component of the multifunctional additive, and when the multifunctional additive is added, the temperature rising component of the reaction kettle is controlled, so that the temperature in the reaction kettle is always controlled at 40 ℃ at constant temperature.
Based on the technical scheme, in S4, the heating homogenization treatment is carried out in the reaction vessel, namely, the temperature in the reaction vessel is continuously kept at 40 ℃ in the process of adding the multifunctional additive into the reaction vessel, the viscosity improver, the antioxidant, the antiwear agent, the antirust agent and the antifoaming agent of the components of the multifunctional additive are sequentially added into the reaction vessel, and when the single components are added, the stirring assembly of the reaction vessel is controlled to carry out stirring treatment, so that the single components of the multifunctional additive timely carry out stirring reaction with the mixture I in the reaction vessel, and the sequential stirring time of the reaction vessel is controlled to be 5min, 10 min, 15min, 20min and 25min according to the adding sequence of the multifunctional additive.
Based on the technical scheme, in S4, after stirring treatment of different time gradients is carried out on all the components of the multifunctional additive and the mixture I respectively, the multifunctional additive and the mixture I are continuously stirred, the stirring speed is increased to 500r/min, and the stirring time is controlled to be 20min, so that a mixture II is obtained.
Based on the technical scheme, in S5, the cooling multi-stage fine filtration treatment of the mixture means that the second mixture after the mixing and homogenizing treatment in the reaction kettle is subjected to high-precision multi-stage filtration treatment;
in the specific filtering process, the mesh diameter of a filter screen of the filtering component is gradually reduced from top to bottom according to a gradient, a total three-stage filtering means is arranged, and the mixture obtained through three-stage filtering treatment with different degrees does not contain solid particles and fixed impurities.
Based on the technical scheme, in S6, the step of checking and temperature-controlling canning and packing mainly refers to the step of checking and canning the mixture obtained in the step S5;
in the testing process, the presence of solid particles in the mixture is mainly tested, the color and the transparency of the mixture are detected, and the viscosity, the low temperature resistance, the fluidity and the lubricating ability of the mixture are further tested by testing equipment.
Based on the technical scheme, in S6, after the mixture meets the above inspection indexes, the mixture meets the production standard, the mixture is filled by a filling mechanism, the mixture is cooled to room temperature before filling, and finally the filled mixture, namely ultralow-temperature hydraulic oil, is packaged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A preparation method of ultralow-temperature hydraulic oil for a cylinder is characterized by comprising the following steps of: the preparation method of the ultralow-temperature hydraulic oil specifically comprises the following preparation steps:
s1, weighing preparation raw materials according to specified parts;
s2, heating and mixing the base oil;
s3, adding a hydraulic oil multifunctional additive to the base oil;
s4, heating and homogenizing treatment is carried out in the reaction container;
s5, cooling the mixture for multistage fine filtration;
s6, checking and carrying out temperature control canning and packing.
2. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in the step S1, the preparation raw materials are weighed according to the specified parts, namely the preparation hydraulic oil raw materials are weighed according to the parts occupied by the preparation hydraulic oil raw materials, the composition proportion of each component of the hydraulic oil composition raw materials is controlled, and the stability of the subsequent preparation process of the hydraulic oil is ensured;
the main component raw materials of the hydraulic oil comprise base oil, vulcanized polyisobutene, benzotriazole fatty acid amine salt, polymethacrylate, lauric acid diethanolamide, diisooctyl diphenylamine, titanium dioxide, zinc stearate and hydraulic oil multifunctional additive;
the hydraulic oil multifunctional additive mainly comprises a viscosity improver, an antioxidant, an antiwear agent, an antirust agent and an antifoaming agent.
3. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in S1, 25-55 parts of base oil, 10-20 parts of vulcanized polyisobutene, 2-5 parts of benzotriazole fatty acid amine salt, 3-6 parts of polymethacrylate, 10-16 parts of lauric acid diethanolamide, 2-7 parts of diisooctyl diphenylamine, 3-6 parts of titanium dioxide, 2-7 parts of zinc stearate and 5-15 parts of hydraulic oil multifunctional additive.
4. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in the step S2, heating and mixing the base oil, namely adding the main component raw materials of the hydraulic oil into a reaction kettle according to the weighed parts and the respective adding sequence for mixing;
in the process that main component raw materials of hydraulic oil are added into a reaction kettle according to a specified sequence, eight main component raw materials of the hydraulic oil are mainly added into the reaction kettle, when each single raw material is added into the reaction kettle in sequence, a heating component of the reaction kettle is controlled to heat the reaction kettle, the temperature of the single raw material is controlled to be 5 ℃, the heating component is controlled to heat the reaction kettle, the temperature is specifically controlled to be 0-5 ℃, 5-10 ℃, 10-15 ℃, 15-20 ℃, 20-25 ℃, 25-30 ℃, 30-35 ℃ and 35-40 ℃ according to the heating process of the raw material addition, and finally after the main raw materials of the hydraulic oil are added into the reaction kettle, the reaction temperature in the reaction kettle is controlled to be 40 ℃, the stirring speed is controlled to be 500r/min, and the stirring time is controlled to be 30min;
stirring was performed at a prescribed stirring speed for 30 minutes to obtain a mixture I.
5. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in the step S3, adding the hydraulic oil multifunctional additive to the base oil means that the multifunctional additive is added into a reaction kettle, so that the multifunctional additive reacts with the first mixture in the reaction kettle again;
in the process of adding the multifunctional additive into the reaction kettle, the multifunctional additive is sequentially added into the reaction kettle according to the addition sequence of each component of the multifunctional additive, and when the multifunctional additive is added, the temperature rising component of the reaction kettle is controlled, so that the temperature in the reaction kettle is always controlled at 40 ℃ at constant temperature.
6. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in the step S4, the temperature rising and homogenizing treatment is performed in the reaction vessel, that is, the temperature in the reaction vessel is kept at 40 ℃ continuously in the process of adding the multifunctional additive into the reaction vessel, and the stirring assembly of the reaction vessel is controlled to perform stirring treatment when the single component is added in the process of sequentially adding the component viscosity improver, the antioxidant, the antiwear agent, the antirust agent and the antifoaming agent into the reaction vessel, so that the single component of the multifunctional additive and the mixture in the reaction vessel are stirred and reacted in time, and the sequential stirring time of the reaction vessel is controlled to be 5min, 10 min, 15min, 20min and 25min according to the adding sequence of the multifunctional additive.
7. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 6, characterized in that: in S4, after all the components of the multifunctional additive and the mixture I are respectively subjected to different time gradient stirring treatment, the multifunctional additive and the mixture I are continuously stirred, the stirring speed is increased to 500r/min, and the stirring time is controlled to be 20min, so that a mixture II is obtained.
8. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 1, wherein the method comprises the following steps: in the step S5, the cooling multistage fine filtration treatment of the mixture means that the second mixture after the mixing and homogenizing treatment in the reaction kettle is subjected to high-precision multistage filtration treatment;
in the specific filtering process, the mesh diameter of a filter screen of the filtering component is gradually reduced from top to bottom according to a gradient, a total three-stage filtering means is arranged, and the mixture obtained through three-stage filtering treatment with different degrees does not contain solid particles and fixed impurities.
9. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 8, characterized in that: in the step S6, the step of checking and temperature-controlling canning and packaging mainly means the step of checking and canning the mixture obtained in the step S5;
in the testing process, the presence of solid particles in the mixture is mainly tested, the color and the transparency of the mixture are detected, and the viscosity, the low temperature resistance, the fluidity and the lubricating ability of the mixture are further tested by testing equipment.
10. The method for preparing ultralow-temperature hydraulic oil for a cylinder according to claim 9, characterized in that: in S6, after the mixture meets the above inspection indexes, the mixture is proved to meet the production standard, the mixture is filled by a filling mechanism, the mixture is cooled to room temperature before filling, and finally the filled mixture, namely ultralow-temperature hydraulic oil, is packaged.
CN202310833199.5A 2023-07-10 2023-07-10 Preparation method of ultralow-temperature hydraulic oil for cylinder Pending CN116875362A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5652201A (en) * 1991-05-29 1997-07-29 Ethyl Petroleum Additives Inc. Lubricating oil compositions and concentrates and the use thereof
KR20090055965A (en) * 2007-11-29 2009-06-03 에스케이에너지 주식회사 Hydraulic fluid composition
CN104263479A (en) * 2014-10-08 2015-01-07 无锡阳工机械制造有限公司 Low-temperature hydraulic oil and preparation method thereof
CN111040835A (en) * 2018-10-12 2020-04-21 江门市新会区沙堆镇工业总公司 Formula of industrial hydraulic oil
CN113563941A (en) * 2021-07-23 2021-10-29 山西潞安太行润滑油有限公司 Preparation method of screw air compressor oil additive for coal CTL base oil
CN115667469A (en) * 2020-06-09 2023-01-31 埃克森美孚技术与工程公司 Lubricant with improved oxidation and deposit control properties

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5652201A (en) * 1991-05-29 1997-07-29 Ethyl Petroleum Additives Inc. Lubricating oil compositions and concentrates and the use thereof
KR20090055965A (en) * 2007-11-29 2009-06-03 에스케이에너지 주식회사 Hydraulic fluid composition
CN104263479A (en) * 2014-10-08 2015-01-07 无锡阳工机械制造有限公司 Low-temperature hydraulic oil and preparation method thereof
CN111040835A (en) * 2018-10-12 2020-04-21 江门市新会区沙堆镇工业总公司 Formula of industrial hydraulic oil
CN115667469A (en) * 2020-06-09 2023-01-31 埃克森美孚技术与工程公司 Lubricant with improved oxidation and deposit control properties
CN113563941A (en) * 2021-07-23 2021-10-29 山西潞安太行润滑油有限公司 Preparation method of screw air compressor oil additive for coal CTL base oil

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