CN113698980A - Hydraulic oil product light stabilizer and preparation process thereof - Google Patents
Hydraulic oil product light stabilizer and preparation process thereof Download PDFInfo
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- CN113698980A CN113698980A CN202111113847.7A CN202111113847A CN113698980A CN 113698980 A CN113698980 A CN 113698980A CN 202111113847 A CN202111113847 A CN 202111113847A CN 113698980 A CN113698980 A CN 113698980A
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- 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
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Abstract
The invention relates to the technical field of mechanical oil, in particular to a light stabilizer for a hydraulic oil product, which comprises the following components in percentage by weight: 0.2-2% of binding agent, 0.1-1% of ultraviolet absorbent, 2-10% of medium oil, 0.1-0.5% of pour point depressant, 0.2-2% of active agent, 0.5-1% of defoaming agent, 0.5-3% of antioxidant and the balance of base oil agent. The light stabilizer prepared by the invention is oily liquid, is convenient to add, has good solubility in hydraulic oil, does not generate precipitate, is not easy to combust, does not explode, has no corrosiveness and no pungent smell, can effectively prevent 32#, 46# and 68# wear-resistant hydraulic oil which accords with GB11118.1-2011 standard from generating photooxidation deterioration when being contacted with ultraviolet light illumination, and generates the problems of precipitation and oil product discoloration.
Description
Technical Field
The invention relates to the technical field of mechanical oil, in particular to a light stabilizer for a hydraulic oil product and a preparation process thereof.
Background
The hydraulic oil is a hydraulic medium used by a hydraulic system utilizing hydraulic pressure energy, and plays roles of energy transfer, wear resistance, system lubrication, corrosion resistance, rust resistance, cooling and the like in the hydraulic system. For hydraulic oil, the requirements of a hydraulic device on the viscosity of liquid at working temperature and starting temperature are firstly met, and the viscosity change of lubricating oil is directly related to hydraulic action, transmission efficiency and transmission precision, so that the viscosity-temperature performance and the shear stability of the oil are also required to meet various requirements proposed by different purposes.
At present, in order to maintain the stability of hydraulic oil, a light stabilizer is usually added into the hydraulic oil to ensure that the hydraulic oil has more stable properties under the irradiation of ultraviolet rays and ensure the safety of equipment.
However, most of the currently used oil light stabilizers are solid particles or powder, and need to be melted by stirring during use, and are easy to generate precipitates. Meanwhile, the existing process and equipment for preparing the light stabilizer are rough, and particularly, a stirring device for stirring raw materials is low in efficiency, so that the resource loss is large, and the quality of the light stabilizer is influenced. In view of the above, we propose a light stabilizer for hydraulic oil and a preparation process thereof.
Disclosure of Invention
The invention aims to provide a light stabilizer for a hydraulic oil product and a preparation process thereof, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the light stabilizer for the hydraulic oil comprises the following components in percentage by weight: 0.2-2% of binding agent, 0.1-1% of ultraviolet absorbent, 2-10% of medium oil, 0.1-0.5% of pour point depressant, 0.2-2% of active agent, 0.5-1% of defoaming agent, 0.5-3% of antioxidant and the balance of base oil agent.
A preparation process of a light stabilizer for a hydraulic oil product comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:10-15 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1:10-20 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:10-15 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
Preferably, the ultraviolet absorbent is any one or a combination of at least two of an ultraviolet absorbent UV-P, an ultraviolet absorbent UV-O, an ultraviolet absorbent UV-9, an ultraviolet absorbent UV-531, an ultraviolet absorbent UV-571, an ultraviolet absorbent UVP-327 and an ultraviolet absorbent RMB, the defoaming agent is an organic silicon defoaming agent, the pour point depressant is any one of alkyl naphthalene, polymethacrylate and poly-alpha-olefin, the active agent is an anionic active agent, and the antioxidant is an amine antioxidant.
Preferably, agitating unit is including the agitator tank, and fixed mounting has the feed plate on the agitator tank, and agitator tank bottom fixed mounting has agitator motor, fixedly connected with bull stick on agitator motor's the motor shaft, fixedly connected with dispersion section of thick bamboo on the bull stick, and fixed mounting has the fin on the dispersion section of thick bamboo, install the suction structure that has the rope and pull the drive function in the dispersion section of thick bamboo, and the structurally fixedly connected with driving rope of suction, driving rope through connection is in the fag end, and fixed mounting has the couple on the driving rope, install on the inner wall of agitator tank and have the overload and dodge the structure of hanging of inhaling of function.
Preferably, the dispersion cylinder is vertically arranged on the rotating rod, at least three dispersion cylinders are arranged, the fins are of flat plate structures and are arranged on the outer wall of the dispersion cylinder, and the dispersion cylinder is of a single-side opening structure.
Preferably, the suction structure comprises a piston which is slidably mounted in the dispersing cylinder, a piston rod is fixedly connected to the piston, a pull rope is fixedly connected to the piston rod and is slidably connected to the water draining plug and the steering ring, the pull rope is fixedly connected to the sliding block, the sliding block is slidably connected to the guide rail, a connecting rod is fixedly connected to the sliding block, and the driving rope is connected with the connecting rod.
Preferably, the couple is installed at the tip of driving rope, and the fag end installation fixed mounting on a dispersion section of thick bamboo, inhale and hang the structure including installing the mount pad on the agitator tank inner wall, and rotate through the hinge that resets on the mount pad and be connected with the dog, fixed mounting has the base on the mount pad, and is connected with the spring steel ball on the base, the dog bottom is provided with the hemisphere constant head tank, fixed mounting has the push rod on the mount pad.
Compared with the prior art, the invention has the beneficial effects that:
1. the light stabilizer prepared by the invention is oily liquid, is convenient to add, has good solubility in hydraulic oil, does not generate precipitate, is not easy to combust or explode, has no corrosivity or pungent smell, and can effectively prevent 32#, 46# and 68# wear-resistant hydraulic oil which meets GB11118.1-2011 standard from generating photooxidation deterioration, generating precipitate and oil product discoloration when being contacted with ultraviolet light illumination;
2. when the light stabilizer is used, the light stabilizer can be properly added by 0.5-5% according to working conditions, and directly added into a hydraulic oil product production line according to a liquid proportion and uniformly mixed. The method is suitable for the blending, preparation or final use stage of the hydraulic oil, and can keep the color stability of the oil product and the quality of the product;
3. aiming at the preparation process of the light stabilizer, the invention designs the high-efficiency oil agent intermediate product stirring device, the stirring device drives the rotating rod to rotate through the stirring motor, the rotating rod is provided with the dispersing cylinder with fins, vortex can be formed in the stirring tank in the rotating process to help various oil agents to finish rapid dispersion, and simultaneously, along with the rotation of the dispersing cylinder, the suction hanging structure is used as a passive driving force, and the oil agent position transfer can be carried out through the suction structure, so that the dispersion efficiency is further increased.
Drawings
FIG. 1 is a schematic view of the construction of a can body according to the present invention;
FIG. 2 is a schematic view of a dispersion structure according to the present invention;
FIG. 3 is a schematic view of a pumping arrangement according to the present invention;
FIG. 4 is a schematic view of a suction hanging structure of the present invention;
fig. 5 is an enlarged schematic view of the area a in fig. 2.
In the figure: the device comprises a stirring tank 1, a feeding plate 2, a stirring motor 3, a rotating rod 4, a dispersing cylinder 5, fins 6, a piston 7, a piston rod 8, a pull rope 9, a bleeding plug 10, a steering ring 11, a sliding block 12, a guide rail 13, a connecting rod 14, a driving rope 15, a rope sleeve 16, a hook 17, a mounting seat 18, a reset hinge 19, a stop block 20, a base 21, a spring steel ball 22 and a push rod 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a light stabilizer for hydraulic oil products comprises the following components in percentage by weight: 0.2-2% of binding agent, 0.1-1% of ultraviolet absorbent, 2-10% of medium oil, 0.1-0.5% of pour point depressant, 0.2-2% of active agent, 0.5-1% of defoaming agent, 0.5-3% of antioxidant and the balance of base oil agent.
A preparation process of a hydraulic oil product light stabilizer based on claim 1, which comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:10-15 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1:10-20 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:10-15 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
The ultraviolet absorbent is one or a combination of at least two of ultraviolet absorbent UV-P, ultraviolet absorbent UV-O, ultraviolet absorbent UV-9, ultraviolet absorbent UV-531, ultraviolet absorbent UV-571, ultraviolet absorbent UVP-327 and ultraviolet absorbent RMB;
detailed description of the preferred embodiment 1
A light stabilizer for hydraulic oil products comprises the following components in percentage by weight: 0.6% of binding agent, 1% of ultraviolet absorbent, 8% of medium oil, 0.5% of pour point depressant, 0.2% of active agent, 0.5% of defoaming agent, 1% of antioxidant and the balance of base oil agent.
A preparation process of a hydraulic oil product light stabilizer based on claim 1, which comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:12 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1:15 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:10 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
Specific example 2
A light stabilizer for hydraulic oil products comprises the following components in percentage by weight: 1% of binding agent, 0.2% of ultraviolet absorbent, 3% of medium oil, 0.3% of pour point depressant, 1.5% of active agent, 0.5% of defoaming agent, 1% of antioxidant and the balance of base oil agent.
A preparation process of a hydraulic oil product light stabilizer based on claim 1, which comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:12 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1: 20 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:15 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
Specific example 3
A light stabilizer for hydraulic oil products comprises the following components in percentage by weight: 0.2% of binding agent, 0.8% of ultraviolet absorbent, 10% of medium oil, 0.1% of pour point depressant, 1.6% of active agent, 1% of defoaming agent, 2% of antioxidant and the balance of base oil agent.
A preparation process of a hydraulic oil product light stabilizer based on claim 1, which comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:10 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1:10 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:10 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
The new product prepared according to the scheme is oily liquid, is convenient to add, has good solubility in hydraulic oil, and does not generate precipitates.
In the three embodiments, the final product is transparent oily liquid, is not easy to burn, does not explode, and has no corrosiveness and no pungent smell. The problems of light oxidation deterioration, precipitation and oil product color change of 32#, 46#, 68# anti-wear hydraulic oil meeting the GB11118.1-2011 standard can be effectively prevented when the anti-wear hydraulic oil is exposed to ultraviolet light.
When in use, the additive can be added into a hydraulic oil product production line according to the working condition, wherein the additive is added in an appropriate amount of 0.5-5%, and the additive is directly added into the hydraulic oil product production line according to the liquid proportion and is uniformly mixed. The method is suitable for the blending, preparation or final use stage of the hydraulic oil, and can keep the color stability of the oil product and the quality of the product.
The stirring device comprises a stirring tank 1, a feeding plate 2 is fixedly arranged on the stirring tank 1, a stirring motor 3 is fixedly arranged at the bottom of the stirring tank 1, a rotating rod 4 is fixedly connected onto a motor shaft of the stirring motor 3, a dispersing cylinder 5 is fixedly connected onto the rotating rod 4, fins 6 are fixedly arranged on the dispersing cylinder 5, a suction structure with a rope pulling driving function is arranged in the dispersing cylinder 5, a driving rope 15 is fixedly connected onto the suction structure, the driving rope 15 is connected into a rope sleeve 16 in a penetrating manner, a hook 17 is fixedly arranged on the driving rope 15, and a suction and hanging structure with an overload avoiding function is arranged on the inner wall of the stirring tank 1;
the dispersing cylinders 5 are vertically arranged on the rotating rod 4, at least three dispersing cylinders 5 are arranged, the fins 6 are of flat plate structures and are arranged on the outer wall of the dispersing cylinder 5, and the dispersing cylinder 5 is of a single-side opening structure;
according to the preparation process of the light stabilizer, A, B, C components are required to be put into a stirring tank 1 together for mixing, a feed plate 2 can bear a container, the difficulty of pouring component raw materials is reduced, after the components are added, a stirring motor 3 drives a rotating rod 4 to rotate, a dispersing cylinder 5 with fins 6 is mounted on the rotating rod 4, vortexes can be formed in the stirring tank 1 in the rotating process, various oil solutions can be rapidly dispersed, and meanwhile, along with the rotation of the dispersing cylinder 5, the oil solutions can be transferred through a suction structure, so that the dispersing efficiency is further increased;
the suction structure comprises a piston 7 which is slidably arranged in the dispersion cylinder 5, a piston rod 8 is fixedly connected to the piston 7, a pull rope 9 is fixedly connected to the piston rod 8, the pull rope 9 is slidably connected to a water drainage plug 10 and a steering ring 11, the pull rope 9 is fixedly connected to a sliding block 12, the sliding block 12 is slidably connected to a guide rail 13, a connecting rod 14 is fixedly connected to the sliding block 12, and a driving rope 15 is connected with the connecting rod 14;
in the pumping structure, the connecting rod 14 is pulled through the driving rope 14, so that the sliding block 12 is driven to slide in the guide rail 13, the pulling rope 9 is pulled, the pulling rope 9 generates pulling force to act on the piston rod 8 through the guide of the steering ring 11 and the water secretion plug 10, the piston 7 can be driven to move to generate suction force, liquid is temporarily stored in the dispersion cylinder 5, the piston rod 8 is also connected with a spring structure (not shown) for resetting, the piston 7 can be reset when the pulling force of the driving rope 14 disappears, the stored oil is extruded out, and in the process, the oil finishes position transfer, so that the mixing of the oil in the stirring tank 1 is accelerated, and the production efficiency of the light stabilizer is improved;
the hook 17 is arranged at the end part of the driving rope 15, the rope sleeve 16 is fixedly arranged on the dispersing cylinder 5, the sucking and hanging structure comprises a mounting seat 18 arranged on the inner wall of the stirring tank 1, the mounting seat 18 is rotatably connected with a stop block 20 through a reset hinge 19, a base 21 is fixedly arranged on the mounting seat 18, the base 21 is connected with a spring steel ball 22, the bottom of the stop block 20 is provided with a hemispherical positioning groove, and a push rod 23 is fixedly arranged on the mounting seat 18;
drive rope 15 is connected with the short time of inhaling hanging structure through couple 17, produce pulling force in drive rope 15, thereby drive the suction structure, this process is with the help of the rotation of dispersion section of thick bamboo 5 itself, in the use, when couple 17 moves to mount pad 18 position, can receive the blockking of dog 20, articulate above that, when piston 7 has the mobility, spring steel ball 22 joint is in dog 20 bottom, carry out simple fixed of dog 20, couple 17 can be hung, thereby produce pulling force to drive rope 15, the drive of suction structure has been carried out, when piston 7 moves extreme position, drive rope 15 no longer has the draggable ability, couple 17 can push away dog 20, thereby break away from, push rod 23 can also help it to break away from, prevent to block.
The working principle of the stirring device is as follows: firstly, according to the preparation process of the light stabilizer, A, B, C components are required to be put into a stirring tank 1 together for mixing, a feed plate 2 can bear a container, the difficulty of pouring component raw materials is reduced, after the components are added, a stirring motor 3 drives a rotating rod 4 to rotate, a dispersing cylinder 5 with fins 6 is mounted on the rotating rod 4, vortexes can be formed in the stirring tank 1 in the rotating process, various oil agents can be rapidly dispersed, and meanwhile, the oil agents can be transferred through a suction structure along with the rotation of the dispersing cylinder 5, so that the dispersing efficiency is further increased; the suction structure is connected with a driving rope 15, the driving rope 15 is temporarily connected with the suction hanging structure through a hook 17, tension is generated in the driving rope 15, so that the suction structure is driven, the process is assisted by the rotation of the dispersing cylinder 5, when the hook 17 moves to the position of the mounting seat 18 during use, the hook is blocked by a stop block 20 and is hung on the stop block 20, when the piston 7 has mobility, a spring steel ball 22 is clamped at the bottom of the stop block 20 to simply fix the stop block 20, the hook 17 can be hung, so that tension is generated on the driving rope 15, the suction structure is driven, in the suction structure, the connecting rod 14 is pulled through the driving rope 14, the sliding block 12 is driven to slide in the guide rail 13, the pull rope 9 is pulled through the steering ring 11 and the guide of the water drainage plug 10, the tension is generated to act on the piston rod 8, and the piston 7 can be driven to move, the suction force is generated, liquid is stored in the dispersing cylinder 5 for a short time, the piston rod 8 is further connected with a spring structure (not shown in the figure) for resetting, when the tensile force of the driving rope 14 disappears, the piston 7 is enabled to reset, the stored oil is extruded out, and in the process, the oil finishes the position transfer, so that the mixing of the oil in the stirring tank 1 is accelerated, and the production efficiency of the light stabilizer is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A light stabilizer for hydraulic oil products is characterized in that: the light stabilizer comprises the following components in percentage by weight: 0.2-2% of binding agent, 0.1-1% of ultraviolet absorbent, 2-10% of medium oil, 0.1-0.5% of pour point depressant, 0.2-2% of active agent, 0.5-1% of defoaming agent, 0.5-3% of antioxidant and the balance of base oil agent.
2. A preparation process of a hydraulic oil product light stabilizer based on claim 1, which is characterized by comprising the following steps: the preparation process comprises the following steps:
s1: mixing an antioxidant and a base oil agent according to the weight ratio of 1:10-15 to obtain a component A;
s2: mixing an ultraviolet absorbent and a base oil agent according to the weight ratio of 1:10-20 to obtain a component B;
s3: mixing an antioxidant binding agent, medium oil, a pour point depressant, an active agent and a defoaming agent, and mixing the mixture with a base oil agent according to the weight ratio of 1:10-15 to obtain a component C;
s4: and mixing and stirring the component A, the component B and the component C by a stirring device to obtain the uniform hydraulic oil light stabilizer.
3. The hydraulic oil product light stabilizer according to claim 1, characterized in that: the ultraviolet absorbent is any one or a composition of at least two of an ultraviolet absorbent UV-P, an ultraviolet absorbent UV-O, an ultraviolet absorbent UV-9, an ultraviolet absorbent UV-531, an ultraviolet absorbent UV-571, an ultraviolet absorbent UVP-327 and an ultraviolet absorbent RMB, the defoaming agent is an organic silicon defoaming agent, the pour point depressant is any one of alkyl naphthalene, polymethacrylate and poly alpha-olefin, the active agent is an anionic active agent, and the antioxidant is an amine antioxidant.
4. The preparation process of the light stabilizer for the hydraulic oil product according to claim 2, which is characterized in that: agitating unit is including agitator tank (1), and fixed mounting has feed plate (2) on agitator tank (1), and agitator tank (1) bottom fixed mounting has agitator motor (3), fixedly connected with bull stick (4) on the motor shaft of agitator motor (3), fixedly connected with dispersion section of thick bamboo (5) are gone up in bull stick (4), and fixed mounting has fin (6) on dispersion section of thick bamboo (5), install the suction structure that has the rope and pull drive function in dispersion section of thick bamboo (5), and suction structure goes up fixedly connected with driving rope (15), driving rope (15) through connection is in fag end (16), and fixed mounting has couple (17) on driving rope (15), install on the inner wall of agitator tank (1) and have the overload and dodge the structure of hanging of inhaling of function.
5. The preparation process of the light stabilizer for the hydraulic oil product according to claim 4, which is characterized in that: the dispersing cylinder (5) is vertically arranged on the rotating rod (4), at least three dispersing cylinders (5) are arranged, the fins (6) are of flat plate structures and are arranged on the outer wall of each dispersing cylinder (5), and each dispersing cylinder (5) is of a unilateral opening structure.
6. The preparation process of the light stabilizer for the hydraulic oil product according to claim 4, which is characterized in that: the suction structure is including piston (7) of slidable mounting in dispersion section of thick bamboo (5), and fixedly connected with piston rod (8) on piston (7), fixedly connected with stay cord (9) on piston rod (8), and stay cord (9) sliding connection secrete in stopper (10) and turn to ring (11), stay cord (9) fixed connection is on slider (12), and slider (12) sliding connection is in guide rail (13), fixedly connected with connecting rod (14) on slider (12), and driving rope (15) are connected with connecting rod (14).
7. The preparation process of the light stabilizer for the hydraulic oil product according to claim 4, which is characterized in that: couple (17) are installed at the tip of driving rope (15), and fag end (16) ann fixed mounting on dispersion section of thick bamboo (5), inhale and hang the structure including installing mount pad (18) on agitator tank (1) inner wall, and rotate through hinge (19) that reset on mount pad (18) and be connected with dog (20), fixed mounting has base (21) on mount pad (18), and is connected with spring steel ball (22) on base (21), dog (20) bottom is provided with the hemisphere constant head tank, fixed mounting has push rod (23) on mount pad (18).
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| CN202111113847.7A CN113698980B (en) | 2021-09-23 | 2021-09-23 | Hydraulic oil product light stabilizer and preparation process thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113960A (en) * | 2013-01-29 | 2013-05-22 | 安徽凯奥润滑油科技有限公司 | Light stabilizer composition of hydrogenated stock oil and application thereof |
| CN207430210U (en) * | 2017-11-06 | 2018-06-01 | 圣保路石油化工（天津）股份有限公司 | A kind of lubricating oil reconciliation kettle of integration driving |
| CN111139118A (en) * | 2019-12-26 | 2020-05-12 | 山东源根石油化工有限公司 | Environment-friendly energy-saving hydraulic oil and preparation method thereof |
| CN112625781A (en) * | 2020-12-21 | 2021-04-09 | 山东恒利热载体工程技术有限公司 | Oil product light stabilizer |
-
2021
- 2021-09-23 CN CN202111113847.7A patent/CN113698980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113960A (en) * | 2013-01-29 | 2013-05-22 | 安徽凯奥润滑油科技有限公司 | Light stabilizer composition of hydrogenated stock oil and application thereof |
| CN207430210U (en) * | 2017-11-06 | 2018-06-01 | 圣保路石油化工（天津）股份有限公司 | A kind of lubricating oil reconciliation kettle of integration driving |
| CN111139118A (en) * | 2019-12-26 | 2020-05-12 | 山东源根石油化工有限公司 | Environment-friendly energy-saving hydraulic oil and preparation method thereof |
| CN112625781A (en) * | 2020-12-21 | 2021-04-09 | 山东恒利热载体工程技术有限公司 | Oil product light stabilizer |
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