CN113654948A - Wall sticking test method for base oil - Google Patents
Wall sticking test method for base oil Download PDFInfo
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- CN113654948A CN113654948A CN202111003934.7A CN202111003934A CN113654948A CN 113654948 A CN113654948 A CN 113654948A CN 202111003934 A CN202111003934 A CN 202111003934A CN 113654948 A CN113654948 A CN 113654948A
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- 239000002199 base oil Substances 0.000 title claims abstract description 60
- 238000010998 test method Methods 0.000 title claims description 11
- 238000012360 testing method Methods 0.000 claims abstract description 113
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 238000003756 stirring Methods 0.000 claims abstract description 61
- 239000003921 oil Substances 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 2
- 235000019198 oils Nutrition 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010688 mineral lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
Abstract
The invention discloses a wall adhesion testing method of base oil, which is characterized in that a testing box is arranged to be matched for wall adhesion testing, a liquid storage tank, a stirring part, an operating part and a discharging part are arranged in the testing box, wherein the operating part is assembled at one side of the testing box, the stirring part comprises a servo motor and a stirring rod, the stirring rod sequentially penetrates through the top parts of the liquid storage tank and the testing box through matching of bearings, the stirring rod is in transmission connection with the output end of the servo motor, oil stains attached to the inner wall of the liquid storage tank are scraped and collected by workers, the height of the liquid storage tank is evenly divided into three parts, then the three parts are collected, and quality detection is respectively carried out on the three parts of samples, so that a wall adhesion testing result of the base oil is obtained. According to the invention, the detection box is arranged to cooperate with the detection box to carry out detection work, the internal environment of the liquid storage tank can be controlled through the operation part according to specific requirements so as to achieve the effect of simulating specific use conditions, and the control conditions of subsequent quality can be effectively improved.
Description
Technical Field
The invention belongs to the field of base oil wall sticking tests, and particularly relates to a wall sticking test method of base oil.
Background
The lubricating oil base oil mainly comprises mineral base oil, synthetic base oil and vegetable oil base oil. Mineral base oil is widely used in large quantities (more than about 90%), but in some application occasions, products prepared by synthetic base oil and vegetable base oil are required to be used, ester oil is used as high-end lubricating oil, and mineral base oil is refined from crude oil. The main production process of the lubricating oil base oil comprises the following steps: atmospheric and vacuum distillation, solvent deasphalting, solvent refining, solvent dewaxing, and clay or hydrogenation refining. In 1995, the current lubricating oil base oil standard in China is revised, the classification method is mainly revised, and two special base oil standards of low freezing point and deep refining are increased. In the production of mineral lubricating oils, it is most important to select the best crude oil.
In the process of processing and treating the base oil, corresponding equipment is required to be used for carrying out wall sticking test on the base oil so as to simulate the wall sticking condition of the base oil and other accessories in the process of using and lubricating the base oil and improve the control condition of subsequent quality.
Disclosure of Invention
The invention aims to solve the defects in the prior art, the detection box is arranged to be matched for detection, the internal environment of the liquid storage tank can be controlled through the operation part according to specific requirements so as to achieve the effect of simulating specific use conditions, and the control condition of subsequent quality can be effectively improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a wall sticking test method of base oil comprises the following steps:
s1, arranging a test box 1 to be matched for wall adhesion test, and arranging a liquid storage tank, a stirring part, an operation part and a discharging part in the test box, wherein the operation part is assembled at one side of the test box and comprises a temperature control component, an air pressure adjusting component and a control panel;
s2, feeding base oil to be detected into a liquid storage tank, selecting corresponding filling amount according to specific test requirements, introducing test gas into the liquid storage tank, and controlling the reaction pressure to be at the same level as the normal processing environment of the base oil by using a pressure adjusting assembly;
s3, operating a servo motor of the stirring part through a control panel to drive a stirring rod to continuously stir, wherein the stirring time is controlled to be 2-3 h, in the process, a temperature control assembly is used for ensuring the temperature inside the liquid storage tank to be stable in the wall sticking test, an air pressure index in the liquid storage tank is observed in real time through an air pressure adjusting assembly, and adaptive adjustment is carried out based on the detected air pressure of the test gas in the liquid storage tank, so that the air pressure of the test gas in the liquid storage tank is ensured to be stable in the whole stirring process;
s4, after stirring is completed, pumping out the test base oil in the liquid storage tank by using a discharge valve of the discharge part and a water pump, and sending out the base oil and the unreacted residual test gas along an installation pipeline;
s5, opening the box door, scraping and collecting oil stains attached to the inner wall of the liquid storage tank by a worker, evenly dividing the height of the liquid storage tank into three parts, observing and recording the oil stains collected in the high, middle and low areas, then collecting, and respectively carrying out quality detection on the three parts of samples to obtain a wall sticking test result of the base oil.
Preferably, one side surface of the test box is hinged with a box door, the box door is manually opened and closed at any time by a worker according to test requirements so as to achieve good observation and test effects, and the test base oil in the liquid storage tank is collected and filled conveniently.
Preferably, the top of liquid storage pot is equipped with vent pipe, and vent pipe's the other end passes the surface of test box to be equipped with the pneumatic valve on vent pipe, can come to let in test gas in the liquid storage pot according to the test demand, so that reach the test target more fast.
Preferably, in S3, the staff is required to strictly control the air pressure inside the liquid storage tank, so as to ensure that the base oil to be tested can sufficiently react with the testing gas so as to quickly form the attached oil stain, and then the subsequent collection operation is performed.
Preferably, in S3, the temperature control module is used to ensure that the temperature inside the liquid storage tank is stabilized at 60-80 ℃ in the wall adhesion test.
Preferably, before the box door is opened in S5, the temperature inside the test box needs to be controlled by the temperature control assembly to be reduced from 60 ℃ to 80 ℃ to 35 ℃ to 45 ℃, and the time for reducing the temperature needs to be controlled to be 10min to 20 min.
Preferably, a temperature sensor and a humidity sensor are installed in the test box, and the temperature sensor and the humidity sensor are respectively electrically connected with the control panel.
The invention has the technical effects and advantages that:
according to the invention, the detection box is arranged to be matched for detection, the liquid storage tank, the stirring part, the operation part and the discharging part are sequentially arranged in the liquid storage tank, the internal environment of the liquid storage tank can be controlled through the operation part according to specific requirements so as to achieve the effect of simulating specific use conditions, the addition of the test gas can ensure that the base oil to be tested can fully react with the test gas so as to quickly form attached oil stains, the wall-sticking oil stains can be directly scraped and sampled conveniently, the samples are respectively subjected to quality detection, so that the wall-sticking test result of the base oil is obtained, the overall operation steps are simple and easy to realize, and the control conditions of subsequent quality can be effectively improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the test chamber of the present invention;
FIG. 2 is a schematic view of the surface structure of the test chamber of the present invention.
Description of reference numerals: 1. a test box; 2. a liquid storage tank; 3. a stirring section; 4. an operation section; 5. a discharge part; 6. and (4) a box door.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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. 1-2, the present invention provides a method for testing the wall adhesion of base oil:
example 1
S1, arranging a test box 1 to be matched for wall adhesion test, arranging a liquid storage tank 2, a stirring part 3, an operation part 4 and a discharging part 5 in the test box 1, wherein the operation part 4 is assembled on one side of the test box 1, the operation part 4 comprises a temperature control assembly, an air pressure adjusting assembly and a control panel, the discharging part 5 comprises a discharge valve, a water pump and an installation pipeline, the discharge valve is assembled at the bottom of the liquid storage tank 2, the output end of the discharge valve is communicated with the installation pipeline, the other end of the installation pipeline extends out of the test box 1, the stirring part 3 comprises a servo motor and a stirring rod, the stirring rod sequentially penetrates through the top of the liquid storage tank 2 and the top of the test box 1 through bearing matching, and the stirring rod is in transmission connection with the output end of the servo motor;
s2, conveying the base oil to be detected into the liquid storage tank 2, selecting corresponding filling quantity according to specific test requirements, introducing test gas into the liquid storage tank 2, and controlling the reaction air pressure to be at the same level as the normal processing environment of the base oil by using an air pressure adjusting assembly;
s3, operating a stirring part 3 through a control panel, driving a stirring rod by a servo motor of the stirring part 3 to continuously stir, controlling the stirring time to be 3 hours, in the process, utilizing a temperature control assembly to ensure the temperature inside the liquid storage tank 2 in the wall sticking test to be stable, ensuring the temperature inside the liquid storage tank 2 in the wall sticking test to be stable at 80 ℃, observing an air pressure index inside the liquid storage tank 2 in real time through an air pressure adjusting assembly, and carrying out adaptive adjustment based on the detected air pressure of the test gas inside the liquid storage tank 2 so as to ensure that the air pressure of the test gas inside the liquid storage tank 2 in the whole stirring process is kept stable;
s4, after stirring is completed, pumping out the test base oil in the liquid storage tank 2 by using a discharge valve of the discharge part 5 and a water pump, and sending out the base oil and the unreacted residual test gas along an installation pipeline;
s5, the temperature inside the testing box 1 needs to be regulated and controlled through a temperature control assembly, the temperature is reduced to 45 ℃ from 80 ℃, the temperature reduction time needs to be controlled to be 10min, the box door 6 is opened, oil stains attached to the inner wall of the liquid storage tank 2 are scraped and collected by workers, the height of the liquid storage tank 2 is evenly divided into three parts, the oil stains collected in a high region, a middle region and a low region are observed and recorded, then the oil stains are collected, and the quality of three samples is respectively detected, so that the wall sticking testing result of the base oil is obtained.
Example 2
S1, arranging a test box 1 to be matched for wall adhesion test, arranging a liquid storage tank 2, a stirring part 3, an operation part 4 and a discharging part 5 in the test box 1, wherein the operation part 4 is assembled on one side of the test box 1, the operation part 4 comprises a temperature control assembly, an air pressure adjusting assembly and a control panel, the discharging part 5 comprises a discharge valve, a water pump and an installation pipeline, the discharge valve is assembled at the bottom of the liquid storage tank 2, the output end of the discharge valve is communicated with the installation pipeline, the other end of the installation pipeline extends out of the test box 1, the stirring part 3 comprises a servo motor and a stirring rod, the stirring rod sequentially penetrates through the top of the liquid storage tank 2 and the top of the test box 1 through bearing matching, and the stirring rod is in transmission connection with the output end of the servo motor;
s2, conveying the base oil to be detected into the liquid storage tank 2, selecting corresponding filling quantity according to specific test requirements, introducing test gas into the liquid storage tank 2, and controlling the reaction air pressure to be at the same level as the normal processing environment of the base oil by using an air pressure adjusting assembly;
s3, operating a stirring part 3 through a control panel, driving a stirring rod by a servo motor of the stirring part 3 to continuously stir, controlling the stirring time to be 2 hours, in the process, utilizing a temperature control assembly to ensure the temperature inside the liquid storage tank 2 in the wall sticking test to be stable, ensuring the temperature inside the liquid storage tank 2 in the wall sticking test to be stable at 60 ℃, observing an air pressure index inside the liquid storage tank 2 in real time through an air pressure adjusting assembly, and carrying out adaptive adjustment based on the detected air pressure of the test gas inside the liquid storage tank 2 so as to ensure that the air pressure of the test gas inside the liquid storage tank 2 in the whole stirring process is kept stable;
s4, after stirring is completed, pumping out the test base oil in the liquid storage tank 2 by using a discharge valve of the discharge part 5 and a water pump, and sending out the base oil and the unreacted residual test gas along an installation pipeline;
s5, the temperature inside the testing box 1 needs to be regulated and controlled through a temperature control assembly, the temperature is reduced to 45 ℃ from 60 ℃, the temperature reduction time needs to be controlled to be 20min, the box door 6 is opened, oil stains attached to the inner wall of the liquid storage tank 2 are scraped and collected by workers, the height of the liquid storage tank 2 is evenly divided into three parts, the oil stains collected in a high region, a middle region and a low region are observed and recorded, then the oil stains are collected, and the quality of three samples is respectively detected, so that the wall sticking testing result of the base oil is obtained.
Example 3
S1, arranging a test box 1 to be matched for wall adhesion test, arranging a liquid storage tank 2, a stirring part 3, an operation part 4 and a discharging part 5 in the test box 1, wherein the operation part 4 is assembled on one side of the test box 1, the operation part 4 comprises a temperature control assembly, an air pressure adjusting assembly and a control panel, the discharging part 5 comprises a discharge valve, a water pump and an installation pipeline, the discharge valve is assembled at the bottom of the liquid storage tank 2, the output end of the discharge valve is communicated with the installation pipeline, the other end of the installation pipeline extends out of the test box 1, the stirring part 3 comprises a servo motor and a stirring rod, the stirring rod sequentially penetrates through the top of the liquid storage tank 2 and the top of the test box 1 through bearing matching, and the stirring rod is in transmission connection with the output end of the servo motor;
s2, conveying the base oil to be detected into the liquid storage tank 2, selecting corresponding filling quantity according to specific test requirements, introducing test gas into the liquid storage tank 2, and controlling the reaction air pressure to be at the same level as the normal processing environment of the base oil by using an air pressure adjusting assembly;
s3, operating a stirring part 3 through a control panel, driving a stirring rod by a servo motor of the stirring part 3 to continuously stir, controlling the stirring time to be 3 hours, in the process, utilizing a temperature control assembly to ensure the temperature inside the liquid storage tank 2 in the wall sticking test to be stable, ensuring the temperature inside the liquid storage tank 2 in the wall sticking test to be stable at 70 ℃, observing an air pressure index inside the liquid storage tank 2 in real time through an air pressure adjusting assembly, and carrying out adaptive adjustment based on the detected air pressure of the test gas inside the liquid storage tank 2 so as to ensure that the air pressure of the test gas inside the liquid storage tank 2 in the whole stirring process is kept stable;
s4, after stirring is completed, pumping out the test base oil in the liquid storage tank 2 by using a discharge valve of the discharge part 5 and a water pump, and sending out the base oil and the unreacted residual test gas along an installation pipeline;
s5, the temperature inside the testing box 1 needs to be regulated and controlled through a temperature control assembly, the temperature is reduced to 45 ℃ from 70 ℃, the temperature reduction time needs to be controlled to be 15min, the box door 6 is opened, oil stains attached to the inner wall of the liquid storage tank 2 are scraped and collected by workers, the height of the liquid storage tank 2 is evenly divided into three parts, the oil stains collected in a high region, a middle region and a low region are observed and recorded, then the oil stains are collected, and the quality of three samples is respectively detected, so that the wall sticking testing result of the base oil is obtained.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The wall sticking test method of the base oil is characterized by comprising the following steps of:
s1, arranging a test box (1) to be matched for wall adhesion test, arranging a liquid storage tank (2), a stirring part (3), an operation part (4) and a discharging part (5) in the test box (1), wherein the operation part (4) is assembled on one side of the test box (1), the operation part (4) comprises a temperature control component, an air pressure adjusting component and a control panel, the discharging part (5) comprises a discharge valve, a water pump and an installation pipeline, the discharge valve is assembled at the bottom of the liquid storage tank (2), the output end of the discharge valve is communicated with the installation pipeline, the other end of the installation pipeline extends out of the test box (1), the stirring part (3) comprises a servo motor and a stirring rod, the stirring rod sequentially penetrates through the tops of the liquid storage tank (2) and the test box (1) through bearing matching, and is in transmission connection with the output end of the servo motor;
s2, conveying the base oil to be detected into the liquid storage tank (2), selecting corresponding filling quantity according to specific test requirements, introducing test gas into the liquid storage tank (2), and controlling the reaction pressure to be at the same level as the normal processing environment of the base oil by using the air pressure adjusting assembly;
s3, operating a stirring part (3) through a control panel, driving a stirring rod to stir continuously by a servo motor of the stirring part, controlling the stirring time to be 2-3 h, in the process, ensuring the temperature inside the liquid storage tank (2) to be stable in the wall sticking test by using a temperature control assembly, observing the air pressure index in the liquid storage tank (2) in real time by using an air pressure adjusting assembly, and carrying out adaptive adjustment based on the detected air pressure of the test gas in the liquid storage tank (2) so as to ensure that the air pressure of the test gas in the liquid storage tank (2) is kept stable in the whole stirring process;
s4, after stirring is finished, pumping out the test base oil in the liquid storage tank (2) by utilizing a discharge valve of the discharge part (5) and a water pump, and sending out the base oil and the unreacted residual test gas along an installation pipeline;
s5, opening the box door (6), scraping and collecting oil stains attached to the inner wall of the liquid storage tank (2) by workers, evenly dividing the height of the liquid storage tank (2) into three parts, observing and recording the oil stains collected in a high region, a middle region and a low region, then collecting, and respectively carrying out quality detection on the three parts of samples to obtain a wall sticking test result of the base oil.
2. The wall adhesion test method of base oil according to claim 1, wherein: the articulated chamber door (6) that is equipped with in one side surface of test box (1), come to be opened and shut chamber door (6) by the staff at any time by hand according to the test demand in order to play good observation and experimental effect, and just with collect and fill the test in the liquid storage pot (2) and use basic oil.
3. The wall adhesion test method of base oil according to claim 1, wherein: the top of liquid storage pot (2) is equipped with vent pipe, and vent pipe's the other end passes the surface of test box (1) to be equipped with the pneumatic valve on vent pipe, can come to letting in test gas in liquid storage pot (2) according to the test demand, so that reach the test target more fast.
4. The wall adhesion test method of base oil according to claim 1, wherein: and in the S3, the pressure in the liquid storage tank (2) needs to be strictly controlled by a worker, so that the base oil to be tested can be fully reacted with the test gas to quickly form attached oil stains, and subsequent collection work is carried out.
5. The wall adhesion test method of base oil according to claim 1, wherein: in the S3, the temperature control component is utilized to ensure that the temperature in the liquid storage tank (2) is stabilized at 60-80 ℃ in the wall sticking test.
6. The wall adhesion test method of base oil according to claim 1, wherein: in the S5, before the box door (6) is opened, the temperature inside the test box (1) needs to be regulated and controlled through a temperature control component, so that the temperature is reduced from 60-80 ℃ to 35-45 ℃, and the temperature reduction time needs to be controlled to be 10-20 min.
7. The wall adhesion test method of base oil according to claim 1, wherein: install temperature sensor and humidity transducer in test box (1), just temperature sensor and humidity transducer respectively with control panel electric connection.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884432A (en) * | 2017-12-22 | 2018-04-06 | 河北华北石油港华勘察规划设计有限公司 | Measure experimental provision and method that water-oil phase in collector and delivery pipe road glues wall temperature |
| CN208091955U (en) * | 2017-12-22 | 2018-11-13 | 河北华北石油港华勘察规划设计有限公司 | Water-oil phase glues the experimental provision of wall temperature in the defeated pipeline of measurement set |
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| AU2021100485A4 (en) * | 2021-01-26 | 2021-04-15 | Liaoning Shihua University | An oil transfer device with anti-sticking wall |
| CN112697645A (en) * | 2020-11-23 | 2021-04-23 | 中国石油天然气股份有限公司 | Method for testing wall sticking temperature of crude oil and crude oil wall sticking simulation device |
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2021
- 2021-08-30 CN CN202111003934.7A patent/CN113654948A/en active Pending
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| CN107884432A (en) * | 2017-12-22 | 2018-04-06 | 河北华北石油港华勘察规划设计有限公司 | Measure experimental provision and method that water-oil phase in collector and delivery pipe road glues wall temperature |
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Application publication date: 20211116 |