CN108645822A - A kind of device and assay method automatically determining oil product demulsifying - Google Patents
A kind of device and assay method automatically determining oil product demulsifying Download PDFInfo
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- CN108645822A CN108645822A CN201810626325.9A CN201810626325A CN108645822A CN 108645822 A CN108645822 A CN 108645822A CN 201810626325 A CN201810626325 A CN 201810626325A CN 108645822 A CN108645822 A CN 108645822A
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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
- G01N21/59—Transmissivity
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Abstract
The present invention relates to a kind of devices and assay method automatically determining oil product demulsifying.Currently, the degree of automation of oil product demulsifying sensing equipment is inadequate, working efficiency is not high.The present invention includes device body, agitating paddle, test trough, fire-proof and thermal-insulation cotton, metal bath thermostat, monochromatic light-emitting tube, transparent water bath device, photoelectric tube chip, light insulation pad, agitating paddle lifting arm, control panel and testing tube.The present invention can realize that oil product demulsifying measures unattended, improve the automatization level of continuous mode.Using the primary law of Beer of youth, stable monochromatic light is penetrated to the testing tube for filling oil product, since the emulsion light transmittance formed after oil product, water and stirring is different so that the luminous intensity of transmission is different, is converted into intuitive signal accordingly, and judge test endpoint.Replace traditional constant temperature water bath slot using metal bath thermostat, operation, maintenance are more convenient, and temperature control is more accurate.Manual mode determination also may be selected, by artificial judgment test endpoint.
Description
Technical field
The present invention relates to a kind of devices and assay method automatically determining oil product demulsifying, for oil product demulsifying
Automatically, Accurate Determining.
Background technology
With the continuous development of economic construction of China, the demand of electric power energy is constantly increased, the safe operation of power plant
Have a significant impact for economic construction, unit operation reliably whether direct relation power plant safety in production and stable power-supplying.Vapour
It is one of nine big Major Systems of steam turbine to take turns lubricating oil system, and steam turbine oil plays lubrication, heat dissipation, speed governing etc. in unit operation
Extremely important effect.Due to being influenced by temperature, air, moisture etc., the gradual aging of oil, the naphthenic soap generated after aging
The substances such as class, colloid are all emulsifiers, when being existed simultaneously with water, will cause oily emulsification.Oil emulsification not only makes lubrication
The adhesiveness of oil is deteriorated, and so that the oil film that lubricating oil is formed in friction is destroyed, lubricant effect is made to die down, and heat dissipation performance becomes
Difference easily causes Bearing Segment Burning failure when serious.So the quality of turbine oil system directly affects steam turbine operation
Security reliability.Steam turbine oil will unavoidably be in contact in use with water or water vapour, if forming the vapour of emulsion
Wheel machine oil, which enters lubricating system, will cause many harm：When water is precipitated in emulsion such as at bearing, the profit of steam turbine oil is destroyed
Sliding effect, increases the friction between component, causes hot-spot, so that damage parts；As emulsion is deposited on oil circulating system
A certain position, easily cause the corrosion of component.Most common impurity is water in lubricating system, water may by oil cooler leakage,
The condensation of humid air, steam turbine bearing leak into lubricating system.Moisture content promoting member in oil gets rusty, form oil emulsion and
Generate greasy filth.The ability that two-phase is separated into after oil product and water formation emulsion is known as demulsifying.National standard GB/T 7605-2008
In, demulsifying be with isometric You Heshui, at 54 DEG C, through the emulsified oil product of mechanical agitation, after discontinuation of the stirring, oil
What the time of water separation indicated.The demulsification time of oil product is shorter, its resistance to emulsion is better, otherwise the oil product demulsification time
It is longer it resistance to emulsion it is poorer.So the resistance to emulsion of steam turbine oil is always that one of measurement steam turbine oil quality is important
Index, as application No. is Chinese patent disclosed in 201510375196.7, it discloses " turbine oil is broken in a kind of power-plant operation
The exceeded control technique of emulsifiability ", the demulsibility for improving turbine oil in operation.Therefore, the survey of oil product demulsifying
It is fixed that important function is all had to the safe operation of oil quality and equipment.
Oil product demulsifying sensing equipment the degree of automation is inadequate at present, and laboratory technician's whole process is needed to observe its water-oil separating feelings
Condition, and the demulsification time is determined according to standard intraocular, working efficiency is not high, cannot achieve and automatically determines.So developing a kind of oil
The device and method that product demulsifying automatically determines is very important.
Invention content
That the purpose of the present invention is to solve oil product demulsifyings is accurate, the problem of automatically determining, and provides a kind of structure
Reasonable design, measuring principle reliably automatically determine the device and assay method of oil product demulsifying.
Technical solution is used by the present invention solves the above problems：A kind of device automatically determining oil product demulsifying,
Including device body, which is characterized in that further include agitating paddle, test trough, fire-proof and thermal-insulation cotton, metal bath thermostat, monochromatic light hair
Penetrate pipe, transparent water bath device, photoelectric tube chip, light insulation pad, agitating paddle lifting arm, control panel and testing tube；The metal bath
Thermostat is arranged in device body, and the fire-proof and thermal-insulation cotton is filled in the outside of metal bath thermostat；The test trough setting
In metal bath thermostat, the testing tube is located in test trough；The transparent water bath device, which runs through, to be arranged the two of test trough
Side, for observing in test trough in testing tube the case where sample, the light insulation pad is arranged in the outside of transparent water bath device；It is described
Monochromatic light-emitting tube is arranged in the side of test trough, and the photoelectric tube chip is arranged in the other side of test trough, photoelectric tube chip
For receiving the tube-launched luminous intensity of monochromatic light for penetrating test trough；The agitating paddle lifting arm is arranged in device body
Top, the agitating paddle are connect with agitating paddle lifting arm, and the agitating paddle is located at the surface of test trough；The control panel is set
It sets on the outer wall of device body, for inputting or exporting test related data.Reasonable in design, metal bath thermostat uses
Micro computer control, to replace traditional water bath device, has exquisite appearance, makes using raffinal material as heat-conducting medium
With the features such as convenient, precision is high, small.
Furthermore, further include temperature sensor, the temperature sensor is arranged on the outer wall of test trough, and being used for will
The temperature conditions of test trough is transmitted to control panel.It tests and is equipped with temperature sensor at 30 milliliters, 60 milliliters of trench bottom or more.
Furthermore, the test trough is provided with 2, and the monochrome light-emitting tube is arranged between 2 test troughs, institute
It states photoelectric tube chip and is also equipped with 2.
Furthermore, the height of the test trough is more than the height of metal bath thermostat.
Furthermore, 3 temperature sensors are provided on the outer wall of the test trough.
Furthermore, the agitating paddle lifting arm is lifting structure.It needs to test agitating paddle at the uniform velocity when stirring with control
Decline and start to stir, after stirring, at the uniform velocity rises, leave testing tube.Sample agitating paddle is by stainless steel blade and connection rod set
At stirrer paddle chip size is 120mm × 19mm × 1.5mm, and rotating speed control exists（1500±50）Rev/min.
Furthermore, the photoelectric tube chip is the photoelectric tube light chip of 0.1cm；In addition, further including signal conversion
Device collectively constitutes light source receiver with photoelectric tube chip.
A kind of assay method of the device as described above automatically determining oil product demulsifying, which is characterized in that the survey
It is as follows to determine method：Constant temperature is carried out to test trough using metal bath thermostat, the sample in testing tube is stirred using agitating paddle
It mixes, using lambert-beer law, stable monochromatic light is penetrated to the testing tube for filling oil product by monochromatic light-emitting tube, due to
The light transmittance of the emulsion generated after oil, water and stirring is different, and the light transmittance values according to oil, water after constant temperature before measurement are
The light transmittance definite value of oil, water, 95% with this value is judgment value；It is stood after sample is agitated, when what oil, water light transmittance reached sentences
When disconnected value volume meets established standards value, that is, it is judged as that end point values, institute's elapsed time are demulsification angle value.
When selection automatically determines pattern, whether light insulation pad is in closed state before and after first checking for equipment, and metal bath is arranged
Thermostat temperature is 54 DEG C, begins to warm up heating, pours into 40mL ultra-pure waters and 40mL oil products successively in graduated cylinder, then by graduated cylinder
It is put into test trough, temperature reaches preset value at three, and after constant temperature 20min, monochromatic light-emitting tube is opened, and photoelectric tube chip connects
It receives device and receives luminous intensity, according to each intuitive column of chip sequential conversions（Precision is 0.1 milliliter of graduated cylinder）Corresponding light transmittance values, when
Light transmittance values are stablized, and the state light transmittance values are automatically saved, and agitating paddle decline starts to stir, and stirring 5min terminates agitating paddle rising
Timer starts timing, emulsion form is will present in graduated cylinder, and with the extension of time of repose, water-oil separating can form oil reservoir, water
Layer and two layers of three layers of emulsion layer or water layer and emulsion layer, each layer of light transmittance is different, and light transmittance is followed successively by from big to small：Water
Layer, emulsion layer, oil reservoir.It stands after a certain period of time, reaches the region when wherein there is 37 milliliters of light transmittance in grease region
When initial value 95%, computer automatic decision measurement terminates, and stops timing, which is demulsification angle value.For different oil
Water detaches situation, and control system takes following manner to be judged respectively：1）The height of water layer reaches time of repose when 37mL
Less than 30min, experiment stops, and records time, the as demulsifying of the oil product at this time；2）Time of repose is more than 30min, water layer
Height still less than 37mL, and be reported as demulsifying at this time there are the liquid material of three kinds of different light transmittances in graduated cylinder and be more than
30min, at the same under, in, on sequence respectively give water-yielding stratum, emulsion layer and oil reservoir height；3）Time of repose is more than
30min, there are the liquid materials of two kinds of different light transmittances in graduated cylinder, report that demulsifying is more than 30min at this time, provide lower part water
The height of layer and top emulsion layer.
Furthermore, it can be manually opened and closed in the light insulation pad of the exterior design of transparent water bath device, light insulation pad pulled open, selected
Select manual mode determination, you can artificial to carry out test endpoint judgement.When manual mode determination, constant temperature is bathed using straight line slotted metal
Slot carries out daylighting and observation to be inserted into the mode of the transparent water bath device of glass material, and artificial observation is facilitated to reduce environment again to surveying
The influence of test tube temperature.
The key that oil product demulsifying measures is the judgement and identification of grease 37mL lines.When the monochromatic source of 80 milliliters of height
When passing through testing tube, positive offside corresponding light fulgurite wafer receipt optical signal（The high chipset of pipe volume is tested by 80 pieces 0.1 milliliter
At）, when tested oil sample and water termostat completion, measure the light transmittance values of 40 milliliters of grease respective volumes（Initial value）, stir 5min
After immediately begin to timing and measure developmental tube light transmittance, reach the area when wherein there is 37 milliliters of light transmittance in grease region
It when the initial value 95% of domain, measures and terminates to stop timing, this carries out the principle of automatic decision.The present invention utilizes youth Bai-Bi Erding
Rule, principle is reliable, accuracy of judgement, there is no the related invention and report that oil product demulsifying measurement is carried out using the method at present.
To meet data comparison needs, the accuracy of measurement result is improved, the present invention designs two kinds of mode determinations, respectively
Pattern and manual mode determination are automatically determined, when selecting " automatically determining pattern ", i.e., program as described above is measured；
When selecting " manual mode determination ", by observation window（Glass water bath device）Light insulation pad pull open, at this time can be in human eye observation's graduated cylinder
The height of liquid level, control metal bath thermostat heated constant temperature, agitating paddle decline stirring and the operation of manual calendar scheduling in system,
Remaining device is not run, and operating personnel observe the variation of each layer liquid height in graduated cylinder and carry out artificial judgment.
Overall process is tested using computer control system to agitating paddle, metal bath thermostat, monochromatic light-emitting tube, photoelectric tube
Chip, control panel display screen, function key etc. carry out automatically controlling.
Compared with prior art, the present invention haing the following advantages and effect：1, it develops and completely new is sentenced by light transmittance
The separation of oil-break liquid carries out the device and method for automatically determining oil product demulsifying.2, two kinds of not Tongfangs are realized in same equipment
The measurement of method meets the needs of method comparison, preferably to improve the accuracy of measurement result.3, metal bath is used to heat for the first time
Constant temperature technology substitutes traditional constant temperature water bath pond, has the advantages that easy to operate, temperature control is accurate, small volume.
Description of the drawings
Fig. 1 is the internal structure schematic diagram for the device that oil product demulsifying is automatically determined in the embodiment of the present invention.
Fig. 2 is the internal structure schematic diagram for the device that oil product demulsifying is automatically determined in the embodiment of the present invention.
In figure：1, agitating paddle；2, test trough；3, fire-proof and thermal-insulation cotton；4, metal bath thermostat；5, monochromatic light-emitting tube；6、
Transparent water bath device；7, photoelectric tube chip；8, temperature sensor；9, light insulation pad；10, agitating paddle lifting arm；11, control panel；
12, graduated cylinder.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 2, a kind of device automatically determining oil product demulsifying, including device body A, agitating paddle 1, survey
Experimental tank 2, fire-proof and thermal-insulation cotton 3, metal bath thermostat 4, monochromatic light-emitting tube 5, transparent water bath device 6, photoelectric tube chip 7, temperature
Sensor 8, light insulation pad 9, agitating paddle lifting arm 10, control panel 11 and graduated cylinder 12.
Metal bath thermostat 4 is arranged in device body A, and fire-proof and thermal-insulation cotton 3 is filled in the outside of metal bath thermostat 4；
Test trough 2 is arranged in metal bath thermostat 4, and graduated cylinder 12 is located in test trough 2；Transparent water bath device 6 is being tested through setting
The both sides of slot 2, for observing in test trough 2 in graduated cylinder 12 the case where sample, light insulation pad 9 is arranged in the outer of transparent water bath device 6
Portion；Monochromatic light-emitting tube 5 is arranged in the side of test trough 2, and photoelectric tube chip 7 is arranged in the other side of test trough 2, and photoelectric tube is brilliant
Piece 7 is used to receive the luminous intensity emitted through the monochromatic light-emitting tube 5 of test trough 2；Temperature sensor 8 is arranged in test trough 2
On outer wall, for the temperature conditions of test trough 2 to be transmitted to control panel 11；Agitating paddle lifting arm 10 is arranged in device body A
Top, agitating paddle 1 connect with agitating paddle lifting arm 10, and agitating paddle lifting arm 10 is lifting structure, and agitating paddle 1 is located at test trough
2 surface；Control panel 11 is arranged on the outer wall of device body A, for inputting or exporting test related data.
Test trough 2 is provided with 2, and monochromatic light-emitting tube 5 is arranged between 2 test troughs 2, and photoelectric tube chip 7 is also provided with
There are 2.The height of test trough 2 is more than the height of metal bath thermostat 4.3 temperature sensors are provided on the outer wall of test trough 2
8.Photoelectric tube chip 7 is the photoelectric tube light chip of 0.1cm；In addition, further including chromacoder, with photoelectric tube chip 7
Collectively constitute light source receiver.
A kind of assay method of the device as described above automatically determining oil product demulsifying, which is characterized in that measurement side
Method is as follows：Constant temperature is carried out to test trough 2 using metal bath thermostat 4, the sample in graduated cylinder 12 is stirred using agitating paddle 1
It mixes, using lambert-beer law, stable monochromatic light is penetrated to the graduated cylinder 12 for filling oil product by monochromatic light-emitting tube 5, due to
The light transmittance of the emulsion generated after oil, water and stirring is different, and the light transmittance values according to oil, water after constant temperature before measurement are
The light transmittance definite value of oil, water, 95% with this value is judgment value；It is stood after sample is agitated, when what oil, water light transmittance reached sentences
When disconnected value volume meets established standards value, that is, it is judged as that end point values, institute's elapsed time are demulsification angle value.
It can be manually opened and closed in the light insulation pad 9 of the exterior design of transparent water bath device 6, light insulation pad pulled open, select to survey by hand
Mould-fixed, you can artificial to carry out test endpoint judgement.
Concrete operation step is as follows：
Automatically determine pattern：Equipment is opened, checks whether light insulation pad 9 closes, " automatically determining " mould is selected in control panel 11
Formula starts to warm up heating in metal bath thermostat 4, is heated to constant temperature at 54 DEG C.40mL water and 40mL oil are poured into 100mL successively
In graduated cylinder 12, then graduated cylinder 12 is put into test trough 2, clicks START button.Graduated cylinder 12 at 54 DEG C after constant temperature 20min,
Monochromatic light-emitting tube 5 is opened, and 7 transmitances received of photoelectric tube chip are converted to intuitive signal and are shown in control panel 11
Show, state value, agitating paddle lifting arm 10 decline internal storage record at this time, and agitating paddle 1 starts to stir when reaching 12 bottom of graduated cylinder
It mixes, and stops stirring after at the uniform velocity stirring 5min with 1500 revs/min of rotating speed, agitating paddle lifting arm 10 rises and starts timing.
Emulsion form is presented in graduated cylinder 12, starts slowly to be layered after standing, when having the light transmittance of 37 milliliters of water to reach in grease region
When the area initial value 95%, computer automatic decision measurement terminates, and stops timing, which is demulsification angle value.Work as the time
When reaching 30min, water layer height is still not up to 37mL, then is reported as demulsifying and is more than 30min, while providing every layer of height
Degree.
Manual mode determination：Equipment and light insulation pad 9 are opened, selection " measurement by hand " pattern, metal in control panel 11
Heating is started to warm up in bath thermostat 4, is heated to constant temperature at 54 DEG C.40mL water and 40mL oil are poured into 100mL graduated cylinders 12 successively
In, then graduated cylinder 12 is put into test trough 2, clicks START button.Graduated cylinder 12 is at 54 DEG C after constant temperature 20min, agitating paddle
Lifting arm 10 declines, and agitating paddle 1 starts to stir when reaching 12 bottom of graduated cylinder, and is at the uniform velocity stirred with 1500 revs/min of rotating speed
Stop stirring after 5min, agitating paddle lifting arm 10 rises and starts timing, emulsion form is presented in graduated cylinder 12, starts slowly after standing
Layering, artificial observation judge test endpoint.
Although the present invention is disclosed as above with embodiment, it is not limited to protection scope of the present invention, any to be familiar with
The technical staff of this technology changes and retouches made by without departing from the spirit and scope of the invention, should all belong to this hair
Bright protection domain.
Claims (9)
1. a kind of device automatically determining oil product demulsifying, including device body, which is characterized in that further include agitating paddle, survey
Experimental tank, fire-proof and thermal-insulation cotton, metal bath thermostat, monochromatic light-emitting tube, transparent water bath device, photoelectric tube chip, light insulation pad, stirring
Paddle lifting arm, control panel and testing tube；The metal bath thermostat is arranged in device body, the fire-proof and thermal-insulation cotton filling
In the outside of metal bath thermostat；The test trough is arranged in metal bath thermostat, and the testing tube is located in test trough；Institute
Transparent water bath device is stated through being arranged in the both sides of test trough, it is described for observing in test trough in testing tube the case where sample
Light insulation pad is arranged in the outside of transparent water bath device；The monochrome light-emitting tube is arranged in the side of test trough, the photoelectric tube
Chip is arranged in the other side of test trough, and photoelectric tube chip is used to receive the tube-launched light intensity of monochromatic light through test trough
Degree；The agitating paddle lifting arm is arranged on the top of device body, and the agitating paddle is connect with agitating paddle lifting arm, the stirring
Paddle is located at the surface of test trough；The control panel is arranged on the outer wall of device body, for inputting or exporting test phase
Close data.
2. the device according to claim 1 for automatically determining oil product demulsifying, which is characterized in that further include temperature sensing
Device, the temperature sensor are arranged on the outer wall of test trough, for the temperature conditions of test trough to be transmitted to control panel.
3. the device according to claim 1 for automatically determining oil product demulsifying, which is characterized in that the test trough setting
There are 2, the monochrome light-emitting tube is arranged between 2 test troughs, and the photoelectric tube chip is also equipped with 2.
4. the device according to claim 1 for automatically determining oil product demulsifying, which is characterized in that the height of the test trough
Height of the degree more than metal bath thermostat.
5. the device according to claim 2 for automatically determining oil product demulsifying, which is characterized in that outside the test trough
3 temperature sensors are provided on wall.
6. the device according to claim 1 for automatically determining oil product demulsifying, which is characterized in that the agitating paddle lifting
Arm is lifting structure.
7. the device according to claim 1 for automatically determining oil product demulsifying, which is characterized in that the photoelectric tube chip
For the photoelectric tube light chip of 0.1cm；In addition, further including chromacoder, collectively constituting light source with photoelectric tube chip connects
Receive device.
8. a kind of measurement of the device as claimed in any one of claims 1-7 automatically determining oil product demulsifying
Method, which is characterized in that the assay method is as follows：Constant temperature is carried out to test trough using metal bath thermostat, utilizes agitating paddle
Sample in testing tube is stirred, using lambert-beer law, is penetrated stable monochromatic light by monochromatic light-emitting tube
The testing tube for filling oil product, since the light transmittance of the emulsion generated after oil, water and stirring is different, after constant temperature before measurement
Oil, water light transmittance values be oil, water light transmittance definite value, 95% with this value is judgment value；It is stood after sample is agitated, when
When the judgment value volume that oil, water light transmittance reach meets established standards value, that is, it is judged as that end point values, institute's elapsed time are demulsification
Angle value.
9. the assay method of the device according to claim 8 for automatically determining oil product demulsifying, which is characterized in that saturating
The light insulation pad of the exterior design of bright water bath device can be manually opened and closed, and light insulation pad is pulled open, and select manual mode determination, you can artificial
Carry out test endpoint judgement.
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| CN201810626325.9A CN108645822A (en) | 2018-06-19 | 2018-06-19 | A kind of device and assay method automatically determining oil product demulsifying |
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| CN201810626325.9A CN108645822A (en) | 2018-06-19 | 2018-06-19 | A kind of device and assay method automatically determining oil product demulsifying |
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Cited By (5)
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| CN110132869A (en) * | 2019-06-20 | 2019-08-16 | 上海海事大学 | A kind of measuring device and its application method of quick detection emulsion demulsification degree |
| CN113840641A (en) * | 2019-05-16 | 2021-12-24 | 日曹工程股份有限公司 | Continuous phase separation system and device based on membrane and suitable for small flow |
| CN115753282A (en) * | 2022-11-21 | 2023-03-07 | 中海石油(中国)有限公司 | Simulation method of oilfield produced fluid |
| CN116660215A (en) * | 2023-08-02 | 2023-08-29 | 东北石油大学三亚海洋油气研究院 | Light-sensitive emulsion macroscopic generation capability testing device and testing method |
| CN116698795A (en) * | 2023-08-04 | 2023-09-05 | 东北石油大学三亚海洋油气研究院 | Device and method for quantitatively representing emulsion strength of liquid film of impact oil-water interface |
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