CN111238881B - Online monitoring system for in-use paint film tendency index of lubricating and hydraulic system - Google Patents
Online monitoring system for in-use paint film tendency index of lubricating and hydraulic system Download PDFInfo
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- CN111238881B CN111238881B CN202010164280.5A CN202010164280A CN111238881B CN 111238881 B CN111238881 B CN 111238881B CN 202010164280 A CN202010164280 A CN 202010164280A CN 111238881 B CN111238881 B CN 111238881B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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Abstract
A set of lubricating and hydraulic system is using paint film tendency index on-line monitoring system, including controller, cylinder, filter membrane filter, solvent storage tank, waste liquid storage tank and paint film tendency index tester, the filter membrane filter is connected with oil equipment oil circulation pipeline through pipeline and first dosing pump, the solvent storage tank is connected with the filter membrane filter through pipeline and second dosing pump, the waste liquid storage tank is connected with the filter membrane filter through waste liquid pipeline, there is a package filter membrane on the cylinder, the cylinder drives the rotation and conveys the package filter membrane from the right side to the left side through the step motor, the controller is respectively connected with the first dosing pump, the second dosing pump and the step motor, the filter membrane filter and the paint film tendency index tester are respectively equipped with the first linear motor and the second linear motor, the first linear motor and the second linear motor are respectively connected with the controller, the invention can automatically sample and detect the tendency index of the lubricating paint film on line in real time, and solves the problems of long period and insufficient representativeness of detection results of the traditional manual detection.
Description
Technical Field
The invention relates to the field of oil product testing, in particular to an on-line monitoring system for the in-use paint film tendency index of a lubricating and hydraulic system.
Background
The lubricating oil paint film is a polar high molecular hydrocarbon polymer generated by lubricating oil oxidation, can cause the problems of reducing gaps of lubricating parts, increasing friction, causing failure of valve core bonding operation, poor equipment smoothness caused by filter clogging and the like, and the paint film tendency index is used for industrially representing the trend of paint film generation in the lubricating oil using process. The existing paint film index tester manufacturers mainly have American FLUIETEC, and the product is an MPC paint film index tester (divided into a single pretreatment device and a color comparator); the existing paint film detection Method mainly comprises a membrane Colorimetry-a determination Method of Insoluble colored substances In Turbine oil, wherein the Method comprises the following steps of ASTMD7843-16 Standard Test Method for measuring a measuring amount of a lubricating Generated ingredient Color reagent In-Service Turbine Oils and GBT 34580-2017; the main testing process is that the sample is taken from the equipment manually and then sent to a laboratory, a 50mL sample is taken from the laboratory and mixed with a 50mL solvent, then the mixture is filtered by a microporous filter membrane, colored substances in the sample are intercepted on the filter membrane after the filtration to form a sample membrane, then the chromaticity of the membrane is measured by a colorimeter (a spectrocolorimeter), and the paint film tendency index of the sample is calculated. The existing sampling, processing and detecting processes can only be manually used for sampling and then processing and testing samples, and the testing process has the following defects: the test after the manual sampling is performed, the sampling representativeness is not enough; the testing period is long (the sample is sent to a laboratory and the laboratory testing process, and the testing period is generally about 3-5 days); the device can not be installed on oil equipment to realize on-line test; fourth, the paint film tendency index of the used oil cannot be continuously tested; the detection data are manually transmitted to the oil equipment manager and cannot be transmitted to the appointed equipment monitoring system in real time; the requirements of automatic continuous sampling and processing, continuous testing, real-time data remote transmission and the like of equipment cannot be met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a set of on-line monitoring system for the paint film tendency index of a lubricating and hydraulic system, so as to solve the problems in the technical background.
The purpose of the invention is realized by the following technical scheme:
one set of lubrication and hydraulic system is using paint film tendency index on-line monitoring system, which comprises a controller, a roller, the filter membrane filter, the solvent storage bucket, waste liquid storage bucket and paint film tendency index tester, the filter membrane filter passes through pipeline and first dosing pump and oil equipment oil circulation tube coupling, the solvent storage bucket passes through pipeline and second dosing pump and is connected with the filter membrane filter, waste liquid storage bucket passes through waste liquid pipeline and is connected with the filter membrane filter, be equipped with the package filter membrane on the cylinder, the cylinder drives the rotation and conveys the package filter membrane from right-hand to the left through step motor, the controller respectively with first dosing pump, second dosing pump and step motor electric connection.
Furthermore, the filter membrane filter and the paint film tendency index tester are respectively provided with a first linear motor and a second linear motor, and the first linear motor and the second linear motor are respectively electrically connected with the controller.
Furthermore, a vacuum pump is arranged on the waste liquid storage barrel and is electrically connected with the controller.
Further, the controller is used for controlling the first quantitative pump to pump a quantitative oil sample from the oil circulation pipeline of the oil using equipment to the filter membrane filter.
Further, the controller is used for controlling the second quantitative pump to pump the quantitative solvent from the solvent storage barrel to the filter membrane filter.
Further, the controller is used for controlling the stepping motor to rotate, and further controlling the roller to convey the wound filter membrane from the right side to the left side of the roller.
Further, the controller is used for controlling the first linear motor, and then the separation and the combination of the filter component in the filter membrane filter are controlled.
Further, the controller is used for controlling the second linear motor, and then controls the paint film tendency index tester to move up and down.
Further, the controller is used for controlling the opening and closing of the vacuum pump.
Further, the controller is used for summarizing and transmitting the detection result of the paint film index tester to the monitoring terminal.
The invention has the beneficial effects that: the oil sampling device is communicated with the oil circulation pipeline of the oil consumption equipment through the pipeline, can continuously sample from the oil circulation pipeline of the oil consumption equipment on line in real time, saves sampling time, avoids the defect of insufficient representativeness of manual sampling, automatically starts to test after sampling is finished, and shortens the detection period of an oil sample.
Drawings
FIG. 1 is a schematic view of the present invention.
In the figure, 1-a controller, 2-a roller, 3-a filter membrane filter, 4-a solvent storage barrel, 5-a waste liquid storage barrel, 6-a paint film tendency index tester, 7-a first quantitative pump, 8-an oil equipment oil circulation pipeline, 9-a second quantitative pump, 10-a waste liquid pipeline, 11-a packaged filter membrane, 12-a stepping motor, 13-a first linear motor, 14-a second linear motor, 15-a vacuum pump and 16-a monitoring terminal.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component in actual implementation can be changed freely, and the layout of the components can be more complicated.
Example (b):
a system for on-line monitoring of paint film tendency index of a lubricating and hydraulic system is shown in attached figure-1 and comprises a controller 1, a roller 2, a filter membrane filter 3, a solvent storage barrel 4, a waste liquid storage barrel 5 and a paint film tendency index tester 6, wherein the filter membrane filter 3 is connected with an oil circulation pipeline 8 of oil consumption equipment through a pipeline and a first quantitative pump 7, the solvent storage barrel 4 is connected with the filter membrane filter 3 through a pipeline and a second quantitative pump 9, the waste liquid storage barrel 5 is connected with the filter membrane filter 3 through a waste liquid pipeline 10, a package filter membrane 11 is arranged on the roller 2, the roller 2 is driven to rotate through a stepping motor 12 and transmits the package filter membrane 11 to the left from the right, and the controller 1 is respectively electrically connected with the first quantitative pump 7, the second quantitative pump 9 and the stepping motor.
Furthermore, the filter membrane filter 3 and the paint film tendency index tester 6 are respectively provided with a first linear motor 13 and a second linear motor 14, and the first linear motor 13 and the second linear motor 14 are respectively electrically connected with the controller 1.
Further, a vacuum pump 15 is arranged on the waste liquid storage barrel 5, and the vacuum pump 15 is electrically connected with the controller 1.
Further, the controller 1 is adapted to control the first dosing 7 pump to pump a metered oil sample from the oil utility oil circulation line 8 to the membrane filter 3.
Further, the controller 1 is configured to control the second fixed displacement pump 9 to pump a fixed amount of the solvent from the solvent storage tank 4 to the membrane filter 3.
Further, the controller 1 is configured to control the stepping motor 12 to rotate, and further, the drum 2 to transfer the wound filter film 11 from the right side to the left side of the drum 2.
Further, the controller 1 is used for controlling the first linear motor 13, and further controlling the separation and combination of the filtering components in the membrane filter 3.
Further, the controller 1 is used for controlling the second linear motor 14, and further controlling the paint film tendency index tester to move up and down.
Further, the controller 1 is used to control the on and off of the vacuum pump 15.
Further, the controller 1 is used for summarizing and transmitting the detection results of the paint film index tester 3 to the monitoring terminal 16.
Specifically, the controller 1 controls the first quantitative pump 7 to pump 50ml of sample oil from the oil circulation pipeline 8 of the oil consumption equipment and inject the sample oil into the filter membrane filter 3, then controls the second quantitative pump 9 to pump 50ml of solvent from the solvent storage barrel 4 and inject the solvent into the filter membrane filter 3, the roller 2 is driven by the stepping motor 12 to convey the rolled filter membrane 11 to the filter membrane filter 3, the filter membrane filter 3 is started to start mixed solution and filter the mixed solution through the rolled filter membrane 11, in the solution mixing process, the controller 1 controls the first linear motor to further control the separation and combination of the filtering parts in the filter membrane filter, after the mixed solution is completely filtered, the second quantitative pump 9 is started again and injects 50ml of solvent into the filter membrane filter 3 to carry out secondary filtration, after the solvent filtration is finished, the filter membrane section after the sample oil filtration is obtained, the roller 2 is driven by the stepping motor 12, the treated filter membrane section is conveyed to a paint film tendency index tester 6 to carry out membrane chromaticity (paint film tendency index) test, in the conveying process, the controller 1 controls the second linear motor 14 to further control the vertical motion of the paint film tendency index tester 6 so as to convey the filter membrane to a detection part of the paint film tendency index tester 6, after the detection is finished, the controller 1 collects the detection result of the paint film tendency index tester 6 and conveys the detection result to a monitoring terminal 16, and in the process, the filtered waste liquid is pumped into a solvent storage barrel 5 by a vacuum pump 15 through a waste liquid pipeline 10 to be collected, so that the environment pollution is prevented.
In conclusion, the oil sampling device is communicated with the oil circulation pipeline 8 of the oil consumption equipment through the pipeline, can continuously sample from the oil circulation pipeline 8 of the oil consumption equipment on line in real time, saves sampling time, avoids the defect of insufficient representativeness of manual sampling, automatically starts to test after sampling is finished, and shortens the detection period of an oil sample.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.
Claims (3)
1. An on-line paint film tendency index monitoring system for a lubricating and hydraulic system comprises a controller (1), a roller (2), a filter membrane filter (3), a solvent storage barrel (4), a waste liquid storage barrel (5) and a paint film tendency index tester (6), and is characterized in that the filter membrane filter (3) is connected with an oil circulation pipeline (8) of oil consumption equipment through a pipeline and a first dosing pump (7), the solvent storage barrel (4) is connected with the filter membrane filter (3) through a pipeline and a second dosing pump (9), the waste liquid storage barrel (5) is connected with the filter membrane filter (3) through a waste liquid pipeline (10), a coiled filter membrane (11) is arranged on the roller (2), the roller (2) is driven to rotate through a stepping motor (12) and conveys the coiled filter membrane (11) to the left from the right, and the controller (1) is respectively connected with the first dosing pump (7), The second fixed displacement pump (9) is electrically connected with the stepping motor;
the filter membrane filter (3) and the paint film tendency index tester (6) are respectively provided with a first linear motor (13) and a second linear motor (14), and the first linear motor (13) and the second linear motor (14) are respectively electrically connected with the controller (1); a vacuum pump (15) is arranged on the waste liquid storage barrel (5), and the vacuum pump (15) is electrically connected with the controller (1); the controller (1) is used for controlling a first fixed displacement pump (7) to pump a fixed displacement oil sample from an oil circulation pipeline (8) of the oil consumption equipment into the filter membrane filter (3); the controller (1) is used for controlling the second quantitative pump (9) to pump quantitative solvent from the solvent storage barrel (4) to the filter membrane filter (3); the controller (1) is used for controlling the stepping motor (12) to rotate, and further controlling the roller (2) to convey the wound filter membrane (11) from the right side to the left side of the roller (2); the controller (1) is used for controlling the first linear motor (13) so as to control the separation and combination of the filtering components in the filter membrane filter (3); the controller (1) is used for controlling the second linear motor (14) so as to control the paint film tendency index tester (6) to move up and down;
specifically, the controller (1) controls a first quantitative pump (7) to extract 50ml of sample oil from an oil circulation pipeline (8) of oil equipment and inject the sample oil into a filter membrane filter (3), then controls a second quantitative pump (9) to extract 50ml of solvent from a solvent storage barrel (4) and inject the solvent into the filter membrane filter (3), a roller (2) is driven by a stepping motor (12) to convey a packaged filter membrane (11) to the filter membrane filter (3), the filter membrane filter (3) is started to start mixed solution and filter the mixed solution through the packaged filter membrane (11), in the solution mixing process, the controller (1) controls a first linear motor to further control separation and combination of filter parts in the filter membrane filter, after the mixed solution is completely filtered, the second quantitative pump (9) is started again and injects 50ml of solvent into the filter membrane filter (3) for secondary filtration, after the solvent filtration is completed, the filter membrane section after sample oil filtration treatment is obtained, the roller (2) is driven by the stepping motor (12), the treated filter membrane section is conveyed to the paint film tendency index tester (6) to be subjected to paint film tendency index test, the controller (1) controls the second linear motor (14) in the conveying process, the vertical motion of the paint film tendency index tester (6) is further controlled, so that the filter membrane is conveyed to the detection part of the paint film tendency index tester (6), after the detection is finished, the controller (1) collects the detection result of the paint film tendency index tester (6) and conveys the detection result to the monitoring terminal (16), and in the process, the filtered waste liquid is extracted to the waste liquid storage barrel (5) through the waste liquid pipeline (10) by the vacuum pump (15) to be collected, so that the environment pollution is prevented.
2. The set of on-line monitoring systems for the tendency of a lubricating and hydraulic system to use a paint film according to claim 1, characterized in that the controller (1) is adapted to control the opening and closing of the vacuum pump (15).
3. The set of on-line monitoring system for the paint film tendency index of the lubricating and hydraulic system according to claim 1, characterized in that the controller (1) is used for summarizing and transmitting the detection result of the paint film index tester (6) to the monitoring terminal (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164280.5A CN111238881B (en) | 2020-03-11 | 2020-03-11 | Online monitoring system for in-use paint film tendency index of lubricating and hydraulic system |
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| CN202010164280.5A CN111238881B (en) | 2020-03-11 | 2020-03-11 | Online monitoring system for in-use paint film tendency index of lubricating and hydraulic system |
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| CN111238881B true CN111238881B (en) | 2022-08-26 |
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| CN113092736A (en) * | 2021-04-09 | 2021-07-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Transformer oil aging state evaluation method based on paint film tendency index analysis |
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