CN107894375A - Full-automatic kinematic viscosity analyzer of working continuously - Google Patents

Full-automatic kinematic viscosity analyzer of working continuously Download PDF

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Publication number
CN107894375A
CN107894375A CN201711447681.6A CN201711447681A CN107894375A CN 107894375 A CN107894375 A CN 107894375A CN 201711447681 A CN201711447681 A CN 201711447681A CN 107894375 A CN107894375 A CN 107894375A
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China
Prior art keywords
kinematic viscosity
sample
experiment
lubricating cup
ball bubble
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CN201711447681.6A
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Chinese (zh)
Inventor
罗争光
谢卫林
杨小峰
邬超
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Shanghai SK Petroleum Chemical Equipment Corp Ltd
Shanghai Shenkai Petroleum Instrument Co Ltd
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Shanghai SK Petroleum Chemical Equipment Corp Ltd
Shanghai Shenkai Petroleum Instrument Co Ltd
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Priority to CN201711447681.6A priority Critical patent/CN107894375A/en
Publication of CN107894375A publication Critical patent/CN107894375A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
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  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

The present invention relates to a kind of full-automatic kinematic viscosity analyzer of working continuously, MCU control electric rotating machines drive set experiment lubricating cup to rotate to fixed position, and rise to the height specified, by the co-operating of multiple magnetic valves, vavuum pump draws oil sample into viscosimeter, whether ball bubble is flowed through to calculate result of the test using NTC sensor detection oil sample during analysis, after off-test, vavuum pump sucked away oil sample is to waste liquid bottle, then under the collective effect of vavuum pump and air compressor, clean viscosimeter balance pipe and capillary, liquid to be cleaned is also drawn to after waste liquid bottle, air compressor dries up current test lubricating cup, system completes everything, and proceed by next experiment lubricating cup analysis experiment.Instrument can determine dark opaque oil sample, viscosity number test scope expands, oil sample preheating time shorten to conventional 1/3rd, can be with the multiple oil samples of follow-on test, union automatic constant-temperature, inhale sample, cleaning, emptying and dry up in one, greatly save and do the sample time, save experiment oil sample and cleaning fluid.

Description

Full-automatic kinematic viscosity analyzer of working continuously
Technical field
The present invention relates to a kind of analytical instrument, in particular to a kind of full-automatic kinematic viscosity analyzer of working continuously.
Background technology
Many oil products and some non-petroleum product materials are used as lubricant, and the normal operation of equipment tends to rely on By the appropriate viscosity with liquid.In addition, many oil-fired viscosity are extremely important to optimization deposit, operation and operating condition 's.
Domestic automatic kinematic viscosity automation equipment degree is not very high at present, and many instruments are required for manually noting Sample, a series of test is then carried out again, this is in the sizable enterprise of day batch processing amount(Such as large-scale petroleum Petrochemical Enterprises)In be Be difficult to embody value, they it is desirable that can continuous operations, and whole experiment process does not need manual intervention.Conventional instrument Oil sample needed for device single test is more, causes preheating time to be grown, and need to expend more times and heat energy;On oil sample level sensing, adopt With optical detection, thus it is unfavorable for the dark opaque oil sample of measure;In terms of the bubble processing of viscosimeter ball, a ball can only be analyzed Bubble, such viscosity number measurement range are just substantially reduced, it is necessary to frequently change the viscosimeter of different capillary inner diameters.Therefore, it is Solve these drawbacks, it is necessary to develop a brand-new kinematic viscosity analyzer.
The content of the invention
It is an object of the invention to provide a kind of kinematic viscosity analyzer automatically worked continuously, and automaticity is high, Dark opaque oil sample can be determined, expands viscosity number test scope, oil sample preheating time shortens;The present invention can be surveyed continuously Multiple oil samples are tried, union is inhaled sample, cleaning, emptying and dried up in one, greatly saves and do the sample time, save experiment oil sample automatically And cleaning fluid.
In order to achieve the above object, technical program of the present invention lies in provide a kind of full-automatic kinematic viscosity of working continuously to survey Determine device, include vavuum pump, electromagnetic valve component, experiment lubricating cup, oil bath, viscosimeter;The viscosimeter further includes:Balance pipe, Capillary, several balls bubble and its each self-corresponding NTC(Negative tempperature coefficient thermistor)Sensor;
Several balls bubble is successively set on a pipeline from top to bottom, and the pipeline one end extend into the current experiment oil tested In cup, the other end connects the electromagnetic valve component;The NTC sensor is sealingly disposed on the pipeline, and corresponding status In the lower section of each ball bubble;
The main body of the balance pipe, and the main body of the pipeline containing the capillary, ball bubble and its NTC sensor, It is placed in oil bath;
The vavuum pump is connected with electromagnetic valve component;By the collaborative work of multiple magnetic valves in electromagnetic valve component, the vacuum Pump, which draws the oil sample tested in lubricating cup to one of ball, to be steeped;
When experiment enters the analysis phase, balance pipe connects air with capillary, the oil sample in ball bubble is drawn to by preheating, in weight When flowing through at least one NTC sensor of ball bubble lower section from the ball bubble at place under power effect, obtain and oil sample viscosity number is divided Analyse data.
Preferably, the full-automatic kinematic viscosity analyzer of working continuously further includes MCU(Micro-control unit)Control System, it passes through TCP(Transmission control protocol)Turn serial server to be connected with host computer signal;
The MCU control systems also automatically worked continuously with place the vavuum pump of kinematic viscosity analyzer, electromagnetic valve component and NTC sensor signal connects;
The host computer turns serial server by the TCP, turns the one or more that serial server is connected to the TCP MCU control systems, the full-automatic kinematic viscosity analyzer of working continuously driven where MCU control systems is sent respectively, performs perseverance Temperature, the control signal for inhaling any one action among sample, analysis, cleaning, emptying and drying.
Preferably, the full-automatic kinematic viscosity analyzer of working continuously further includes believes with the MCU control systems Number connection electric rotating machine module, lifting motor module;
The rotating disk of the electric rotating machine module is placed with multiple sample lubricating cups simultaneously, by sample lubricating cup in the presence of electric rotating machine Specified location is turned to successively;
The lifting motor of the lifting motor module lifts the sample lubricating cup for turning to specified location to the height specified, and makes to glue Degree meter is contacted with the fluid in the sample lubricating cup.
Preferably, it be 18 ~ 22ml that the experiment lubricating cup, which is completed once to test required oil sample, oil sample preheating time for 2 ~ 4min。
Preferably, the rotating disk of the electric rotating machine module is provided with an origin magnetic sensor, is additionally provided with multiple positioning Magnetic sensor is corresponding with the fixed position of multiple sample lubricating cups.
Preferably, the full-automatic kinematic viscosity analyzer of working continuously further includes fills with the stirring in oil bath Put, heating rod, temperature sensor, it is connected with the MCU control systems signal respectively, before the test keeps the temperature of oil bath In the temperature of setting.
Preferably, it is described it is full-automatic work continuously kinematic viscosity analyzer further comprising respectively with the electromagnetic valve component The washer bottle of connection and waste liquid bottle;The waste liquid bottle also connects with experiment lubricating cup;
The remaining oil sample drawn after the completion of experiment by vavuum pump from experiment lubricating cup is placed in the waste liquid bottle;
Cleaning fluid is placed with the washer bottle, viscosimeter and examination are delivered under the collective effect of vavuum pump and air compressor Lubricating cup is tested to be cleaned;
The waste liquid bottle also places the cleaning fluid of the completion cleaning of vavuum pump absorption;The air compressor is by the experiment after cleaning Lubricating cup dries up.
Preferably, when the time of absorption is identical, it is higher that the smaller fluid of viscosity number is drawn into the position in pipeline In ball bubble.
Preferably, the viscosimeter includes upper ball bubble, middle ball bubble, lower ball bubble and three NTC sensors;Three NTC sensings Device is correspondingly located at ball bubble, middle ball bubble, the lower section of lower ball bubble.
Preferably, the volume of the upper ball bubble and middle ball bubble be 2.5 ~ 3.5ml, the volume of the lower ball bubble is 0.2 ~ 0.3ml。
The present invention relates to a kind of full-automatic kinematic viscosity analyzer of working continuously, MCU is controlled set by electric rotating machine drive Experiment lubricating cup rotate to fixed position, and the height specified is risen to, by the co-operating of multiple magnetic valves, vacuum pumping Draw oil sample into viscosimeter, calculate result of the test, experiment knot using whether NTC sensor detection oil sample flows through ball bubble during analysis Shu Hou, vavuum pump sucked away oil sample to waste liquid bottle, then under the collective effect of vavuum pump and air compressor, clean viscosity Balance pipe and capillary are counted, waits cleaning fluid to be also drawn to after waste liquid bottle, air compressor dries up current test lubricating cup, and system is complete Into everything, and proceed by next experiment lubricating cup analysis experiment.
In summary, full-automatic kinematic viscosity analyzer of working continuously provided by the present invention, its compared with prior art, With advantages below:
1st, automaticity is high, can work continuously, and whole experiment process does not need manual intervention;
2nd, special viscosimeter, required experiment oil sample and cleaning fluid are few, and oil sample preheating time is short;
3rd, analysis of experiments is carried out using NTC sensor, do not influenceed by oil sample color and transparency, even if dark opaque oil sample It can determine, expand Instrumentation Operating Areas;
4th, upper computer software algorithm can carry out oil sample measure respectively using two ball bubbles, expand same branch viscosimeter test scope Greatly, without frequently changing viscosimeter.
Brief description of the drawings
Fig. 1 is the structural representation of the full-automatic kinematic viscosity analyzer of working continuously in the present invention;
Fig. 2 is the schematic diagram of the electric rotating machine module bottom in the present invention.
Embodiment
Below in conjunction with Fig. 1~Fig. 2, by describing a preferable specific embodiment in detail, the present invention is done and further explained State.
As shown in figure 1, be the kinematic viscosity analyzer provided by the present invention automatically worked continuously, containing host computer 1, TCP turns serial server 2, MCU control systems 3, electric rotating machine module 4, lifting motor module 5, experiment lubricating cup 6, solenoid valve block Part 7, vavuum pump 8, air compressor 9, oil bath 10, viscosimeter 11, agitating device 18, heating rod 19, temperature sensor 20, cleaning Bottle 21 and waste liquid bottle 22.
Wherein, described viscosimeter 11 includes balance pipe 12, capillary 13, NTC sensor 14, upper ball bubble 15, middle ball bubble 16th, lower ball bubble 17.Described upper ball steeps 15 cushioning and protections, and middle ball bubble 16 is used for tested viscosity and is worth less oil sample, Lower ball bubble 17 can the larger oil sample of tested viscosity value.Illustratively, the volume of upper ball bubble 15 and middle ball bubble 16 is 2.5 ~ 3.5ml, under The volume of ball bubble 17 is 0.2 ~ 0.3ml.
Described upper ball steeps 15, middle ball bubble 16, lower ball bubble 17 is successively set on a pipeline, and the pipeline one end, which will be stretched into, works as The experiment lubricating cup 6 of preceding experiment, other end connection electromagnetic valve component 7;3 NTC sensors 14 are on same pipeline, respectively positioned at upper Ball bubble 15, middle ball bubble 16, the lower section of lower ball bubble 17, and sealed with special glue.The electromagnetic valve component 7 is gone back and vacuum Pump 8, air compressor 9, washer bottle 21 connect with waste liquid bottle 22.
Described host computer 1 turns serial server 2 by TCP and connects MCU control systems 3, and the MCU control systems 3 are also Respectively with vavuum pump 8, air compressor 9, electric rotating machine module 4, lifting motor module 5, NTC sensor 14, agitating device 18, Heating rod 19, the connection of the signal of temperature sensor 20.The controller unit of host computer 1 completes constant temperature, inhales sample, analysis, cleaning, empties and blow Dry everything.The TCP, which turns serial server 2, can connect 1 ~ 4 instrument, host computer 1 is controlled 4 instruments simultaneously. By MCU control systems 3 and the software algorithm of host computer 1, the measure to dark opaque oil sample can be realized.
Described electric rotating machine module 4 can place 12 sample lubricating cups 6 simultaneously, set by host computer 1 and make sample successively Sequentially, it is sequentially completed the experiment of all sample lubricating cups 6.Completion is once tested, test lubricating cup 6 needed for oil sample be 18 ~ 22ml, oil sample Preheating time is 2 ~ 4min.
Electric rotating machine module 4 as shown in Figure 2, include rotating disk 4-1, origin magnetic sensor 4-2 and positioning magnetic transducing Device 4-3.12 fixed placements of sample lubricating cup 6 are in the corresponding indentation, there on rotating disk 4-1 peripheries, the positioning provided with corresponding to of each indentation, there Magnetic sensor 4-3.When instrument is just upper electric, rotating disk 4-1 is rotated to by origin by origin magnetic sensor 4-2, started During experiment, set experiment lubricating cup 6 is rotated into specified location by positioning magnetic sensor 4-3.
Described agitating device 18, heating rod 19, temperature sensor 20, the main body of balance pipe 12, and capillary 13, NTC The main body of pipeline where sensor 14, upper ball bubble 15, middle ball bubble 16, lower ball bubble 17, is placed in oil bath 10.
Before experiment, instrument controlling agitating device 18 and heating rod 19, by the temperature that oil bath 10 is constant to set.Will be to be measured Oil sample is fitted into experiment lubricating cup 6, is positioned on rotating disk 4-1, and the lubricating cup for setting required test by host computer 1 is numbered, and starts to try Test.Lifting motor module 5 drives an experiment lubricating cup 6 of current test to rise to specified location, by the association of electromagnetic valve component 7 With working, the oil sample in the absorption experiment lubricating cup 6 of vavuum pump 8 is into viscosimeter 11:In the suction sample time of setting, if oil sample glues Angle value is smaller, then draws supreme ball bubble 15 always from lower ball bubble 17, and now upper ball steeps 15 cushioning effects, and middle ball bubble 16 is used to survey Examination;If viscosity number is larger, is then drawn always to middle ball from lower ball bubble 17 and steep 16, now middle ball steeps 16 cushioning effects, Lower ball bubble 17 is used to test.Deng oil sample preheating 3min or so, balance pipe 12 connects air with capillary 13, and oil sample is in Action of Gravity Field Under down trickle, when flowing through corresponding NTC sensor 14, software automatically analyzes the viscosity number for calculating oil sample.In above-mentioned example, If fluid is drawn to ball bubble 15, with analyzing result of the test with middle NTC sensor 14 above;If in being drawn to Ball bubble 16, then analyze result of the test among with following NTC sensor 14.
After the completion of experiment, the remaining oil sample in the absorption experiment lubricating cup 6 of vavuum pump 8 is into waste liquid bottle 22, then in vavuum pump 8 Under the collective effect of air compressor 9, from washer bottle 21 obtain cleaning fluid to the balance pipe 12 of viscosimeter 11, capillary 13, Three ball bubbles, and experiment lubricating cup 6 are cleaned;After the cleaning fluid for completing cleaning is also drawn to waste liquid bottle 22, air compression Machine 9 dries up current test lubricating cup 6, and system completes everything, and proceeds by next experiment lubricating cup 6 analysis experiment.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

1. a kind of full-automatic kinematic viscosity analyzer of working continuously, it is characterised in that include vavuum pump(8), electromagnetic valve component (7), experiment lubricating cup(6), oil bath(10), viscosimeter(11);The viscosimeter(11)Further include:Balance pipe(12), capillary Pipe(13), several balls bubble and its each self-corresponding NTC sensor(14);
Several balls bubble is successively set on a pipeline from top to bottom, and the pipeline one end extend into the current experiment oil tested Cup(6)In, the other end connects the electromagnetic valve component(7);The NTC sensor(14)It is sealingly disposed on the pipeline, And it is correspondingly located at the lower section of each ball bubble;
The balance pipe(12)Main body, and contain the capillary(13), ball bubble and its NTC sensor(14)The pipe The main body on road, is placed in oil bath(10)In;
The vavuum pump(8)With electromagnetic valve component(7)Connection;Pass through electromagnetic valve component(7)In multiple magnetic valves collaborative work, The vavuum pump(8)Lubricating cup will be tested(6)In oil sample draw to one of ball steep;
When experiment enters the analysis phase, balance pipe(12)And capillary(13)Air is connected, the oil sample being drawn in ball bubble passes through Preheating, flow through at least one NTC sensor of ball bubble lower section from the ball bubble at place under gravity(14)When, obtain to oil The analyze data of sample viscosity number.
2. kinematic viscosity analyzer of automatically working continuously as claimed in claim 1, it is characterised in that
The full-automatic kinematic viscosity analyzer of working continuously further includes MCU control systems(3), it turns serial ports by TCP Server(2)With host computer(1)Signal connects;
The MCU control systems(3)Also automatically worked continuously with place the vavuum pump of kinematic viscosity analyzer(8), magnetic valve Component(7)And NTC sensor(14)Signal connects;
The host computer(1)Serial server is turned by the TCP(2), turn serial server to the TCP(2)The one of connection Individual or multiple MCU control systems(3), send drive MCU control systems respectively(3)The full-automatic kinematic viscosity of working continuously at place Analyzer, perform constant temperature, inhale the control signal of any one action among sample, analysis, cleaning, emptying and drying.
3. kinematic viscosity analyzer of automatically working continuously as claimed in claim 2, it is characterised in that
The full-automatic kinematic viscosity analyzer of working continuously further includes and the MCU control systems(3)Signal connection Electric rotating machine module(4), lifting motor module(5);
The electric rotating machine module(4)Rotating disk(4-1)It is placed with multiple sample lubricating cups simultaneously(6), in the effect of electric rotating machine It is lower by sample lubricating cup(6)Specified location is turned to successively;
The lifting motor module(5)Lifting motor will turn to the sample lubricating cup of specified location(6)Lift the height specified Degree, makes viscosimeter(11)With the sample lubricating cup(6)In fluid contacted.
4. kinematic viscosity analyzer of automatically being worked continuously as described in claim 1 or 3, it is characterised in that
The experiment lubricating cup(6)It is 18 ~ 22ml that required oil sample is once tested in completion, and oil sample preheating time is 2 ~ 4min.
5. kinematic viscosity analyzer of automatically working continuously as claimed in claim 3, it is characterised in that
The electric rotating machine module(4)Rotating disk(4-1)It is provided with an origin magnetic sensor(4-2), it is multiple fixed to be additionally provided with Position magnetic sensor(4-3)With multiple sample lubricating cups(6)Fixed position it is corresponding.
6. kinematic viscosity analyzer of automatically working continuously as claimed in claim 2, it is characterised in that
The full-automatic kinematic viscosity analyzer of working continuously further include with positioned at oil bath(10)In agitating device(18)、 Heating rod(19), temperature sensor(20), its respectively with the MCU control systems(3)Signal connects, and makes oil bath before the test (10)Temperature be maintained at the temperature of setting.
7. kinematic viscosity analyzer of automatically working continuously as claimed in claim 1 or 2, it is characterised in that
It is described it is full-automatic work continuously kinematic viscosity analyzer further comprising respectively with the electromagnetic valve component(7)What is connected is clear Wash bottle(21)And waste liquid bottle(22);The waste liquid bottle(22)Also with testing lubricating cup(6)Connection;
The waste liquid bottle(22)By vavuum pump after the completion of middle placement experiment(8)From experiment lubricating cup(6)The remaining oil sample of absorption;
The washer bottle(21)In be placed with cleaning fluid, in vavuum pump(8)And air compressor(9)Collective effect under be delivered to Viscosimeter(11)And experiment lubricating cup(6)Cleaned;
The waste liquid bottle(22)Also place vavuum pump(8)The cleaning fluid of the completion cleaning of absorption;The air compressor(9)Will be clear Experiment lubricating cup after washing(6)Drying.
8. kinematic viscosity analyzer of automatically working continuously as claimed in claim 1, it is characterised in that
When the time of absorption is identical, the smaller fluid of viscosity number is drawn into the higher ball bubble in the position in pipeline.
9. kinematic viscosity analyzer of automatically being worked continuously as described in claim 1 or 8, it is characterised in that
The viscosimeter(11)Steeped comprising upper ball(15), middle ball bubble(16), lower ball bubble(17)With three NTC sensors(14);Three Individual NTC sensor(14)It is correspondingly located at ball bubble(15), middle ball bubble(16), lower ball bubble(17)Lower section.
10. kinematic viscosity analyzer of automatically working continuously as claimed in claim 9, it is characterised in that
The upper ball bubble(15)Steeped with middle ball(16)Volume be 2.5 ~ 3.5ml, the lower ball bubble(17)Volume for 0.2 ~ 0.3ml。
CN201711447681.6A 2017-12-27 2017-12-27 Full-automatic kinematic viscosity analyzer of working continuously Pending CN107894375A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN108645753A (en) * 2018-06-23 2018-10-12 华电电力科学研究院有限公司 A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI)
CN109342268A (en) * 2018-11-23 2019-02-15 大连海事大学 A fast automatic kinematic viscosity measuring device
CN110006783A (en) * 2018-12-05 2019-07-12 浙江出入境检验检疫局检验检疫技术中心 One kind automatically flowing out cup type viscosity determinator
CN110672469A (en) * 2019-11-18 2020-01-10 津市市石油化工仪器有限公司 Full-automatic viscosity measurement ware of vision straight tube
CN110907313A (en) * 2019-12-20 2020-03-24 延长油田股份有限公司 Full-automatic intelligent hydrodynamic viscosity measuring device and method

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Publication number Priority date Publication date Assignee Title
CN108645753A (en) * 2018-06-23 2018-10-12 华电电力科学研究院有限公司 A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI)
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CN109342268A (en) * 2018-11-23 2019-02-15 大连海事大学 A fast automatic kinematic viscosity measuring device
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CN110006783A (en) * 2018-12-05 2019-07-12 浙江出入境检验检疫局检验检疫技术中心 One kind automatically flowing out cup type viscosity determinator
CN110672469A (en) * 2019-11-18 2020-01-10 津市市石油化工仪器有限公司 Full-automatic viscosity measurement ware of vision straight tube
CN110907313A (en) * 2019-12-20 2020-03-24 延长油田股份有限公司 Full-automatic intelligent hydrodynamic viscosity measuring device and method
CN110907313B (en) * 2019-12-20 2022-06-21 延长油田股份有限公司 Full-automatic intelligent hydrodynamic viscosity measuring device and method

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