CN206161475U - Does oil drip interfacial tension testing arrangement between sea water - Google Patents
Does oil drip interfacial tension testing arrangement between sea water Download PDFInfo
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- CN206161475U CN206161475U CN201621051835.0U CN201621051835U CN206161475U CN 206161475 U CN206161475 U CN 206161475U CN 201621051835 U CN201621051835 U CN 201621051835U CN 206161475 U CN206161475 U CN 206161475U
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Abstract
The utility model relates to a does oil drip interfacial tension testing arrangement between sea water. The utility model belongs to the technical field of the interfacial tension test. A does oil drip interfacial tension testing arrangement between sea water, includes measuring unit, sample injection unit and controls the mechanism, measuring unit contains industry camera and LED lamp, is equipped with the electronic slip table of industry camera horizontal migration, LED lamp and the electronic slip table of industry camera lift, the sample pours into the unit into and contains sample injection motor, digital display differential head, horizontal injection ware, syringe needle, planchet, and it is associative with digital display differential head rotation axis that the sample pours into the motor into, and the horizontal injection ware is connected to digital display differential head, and the syringe needle is connected to the horizontal injection ware, and needle head position is in the planchet, control the electronic slip table of the connection control of mechanism industry camera horizontal migration, the electronic slip table of LED lamp lift, the electronic slip table of industry camera lift, the micro - parted hair of sample injection motor summation. The utility model has the advantages of simple structure, convenient operation, the measuring accuracy is high, and testing speed is fast, and the practicality is strong.
Description
Technical field
The utility model belongs to tension test technical field in interface between oil droplet-seawater, more particularly to a kind of oil droplet-seawater
Between interfacial tension test device.
Background technology
At present, under water in oil spilling process of the test, for the feature of accurate description oil spilling under water, need to the corresponding of oil spilling
Parameter fast and accurately tested, the interfacial tension between oil spilling and seawater is important parameter index.Overflow under water in seawater
In the process of oil, in many cases, oil spilling is all in the form of oil droplet in Marine water, therefore in seawater oil spilling under water
Research in, the measure of the interfacial tension between oil droplet-seawater just seems particularly significant.
Adopt more traditional sessile drop method measure interfacial tension device and pass through organic phase before vertical syringe and syringe
Straight type straight peen forms organic phase drop in syringe needle, the formal parameters such as the maximum gauge of drop of this formation is shot, by above-mentioned meter
Formula calculates the interfacial tension of organic phase drop and water.This method is more than under conditions of the density of water to the density of organic phase
Accurately.But for most marine oil overflows, the density of its oil spilling is both less than the density of seawater, if using this dress
Put and method, great error will be produced due to buoyancy of the oil droplet in water.In addition, in operation, due to
Syringe is vertical and by oil droplet is manually released, and can be made due to the Action of Gravity Field of injector push-rod and the slight jitter of staff
The oil droplet change in shape amplitude of release is larger so that the mutation of oil droplet appearance profile, eventually results in larger measure error.
The content of the invention
The utility model provides interfacial tension between a kind of oil droplet-seawater to solve technical problem present in known technology
Test device.
Currently, the method for determining interfacial tension between organic phase drop and water mostly is sessile drop method.The theoretical foundation of sessile drop method is
Laplace formula.Being described in arbitrary point P curved surface inside and outside differential pressures is：
In formula, γ is interfacial tension；R1、R2For the principal radius of curvature of drop；Z is that drop summit O is origin, droplet surface
The vertical coordinate of upper P；p0For the static pressure at the O of summit；(ρ1-ρ2) it is two-phase density contrast；G is acceleration of gravity.
Definition：
In formula, deFor the maximum gauge of hanging drop；dsBe from vertex distance be deThe diameter in place hanging drop section.
Re-define：
By above formula, Andreas, Hauser and Tucker propose earliest sessile drop method computing formula：
In formula, γ is interfacial tension；(ρ1-ρ2) it is two-phase density contrast；G is acceleration of gravity；deMaximum for hanging drop is straight
Footpath.
Using Bashforth-Adams methods, the 1/H values of the function as S can be calculated.Because using periodically photography or can survey
Amount ds/deOver time, sessile drop method can be advantageously used in determining interfacial tension numerical value.
The purpose of this utility model is to provide a kind of with simple structure, easy to operate, certainty of measurement height, test speed
Hurry up, data stabilization is practical, interfacial tension test device between oil droplet-seawater the features such as applied widely.
Interfacial tension test device is adopted the technical scheme that between the utility model oil droplet-seawater：
Interfacial tension test device between a kind of oil droplet-seawater, is characterized in：Interfacial tension test device between oil droplet-seawater
Including measuring unit, sample injection unit and operating-controlling mechanism；Measuring unit includes industrial camera and LED, and measuring unit is provided with
Industrial camera moves horizontally electronic slide unit, LED lifting electric slide unit and industrial camera lifting electric slide unit；Sample injection unit
Comprising sample injection motor, digital display differential head, horizontal injection device, syringe needle, planchet, sample injection motor revolves with digital display differential head
Rotating shaft is connected, and digital display differential head connection horizontal injection device, horizontal injection device connecting needle, syringe needle is located in planchet；Manipulation machine
Structure connection control industrial camera moves horizontally electronic slide unit, LED lifting electric slide unit, industrial camera lifting electric slide unit, sample
The micro- parted hair of product injection motor sum.
Interfacial tension test device can also be adopted the following technical scheme that between the utility model oil droplet-seawater：
Interfacial tension test device between described oil droplet-seawater, is characterized in：The syringe needle of sample injection unit is 90 ° curved
Pipe syringe needle, sample injection motor rotarily drive differential head interior axle be rotatably connected propulsion horizontal injection device, horizontal injection device connect 90 °
Bend pipe syringe needle, the outlet of 90 ° of bend pipe syringe needles is upwards.
Interfacial tension test device between described oil droplet-seawater, is characterized in：Sample injection unit is provided with quartz specimen ware
Mobile electric slide unit, operating-controlling mechanism connection control quartz specimen ware mobile electric slide unit.
Interfacial tension test device between described oil droplet-seawater, is characterized in：Measuring unit is with sample injection unit same
On one datum level, projection line and the projection line of sample injection unit axis of measuring unit axis are mutually perpendicular to.
Interface Tensile Test Method is adopted the technical scheme that between oil droplet-seawater：
Interface Tensile Test Method between a kind of oil droplet-seawater, is characterized in：Interface Tensile Test Method between oil droplet-seawater
Including following test process：
(1) LED is adjusted
LED lifting electric slide unit is adjusted by regulating and controlling mechanism so that in LED central point and quartz specimen ware 90 ° it is curved
The port of pipe syringe needle is on same level axis；
(2) industrial camera is highly adjusted
Industrial camera lifting electric slide unit is adjusted by regulating and controlling mechanism so that industrial camera optical center point and quartz specimen
The port of 90 ° of bend pipe syringe needles in ware is on same level axis；
(3) industrial camera Level tune
Industrial camera is adjusted by regulating and controlling mechanism and moves horizontally electronic slide unit so that industrial camera optical center point and quartz
Distance in planchet between the port of 90 ° of bend pipe syringe needles is the operating distance of camera lens；
(4) oil sample is sucked
Oil sample to be measured is sucked with horizontal injection device, level is connected and fixes with 90 ° of bend pipe syringe needles；
(5) seawater is added
Seawater to be measured is added in quartz specimen ware；
(6) oil droplet is formed
Sample is started by regulating and controlling mechanism and injects motor, drive digital display differential head to promote horizontal injection device, oil sample is slow
The oil droplet of stabilized growth is formed in the Marine water to upper port in quartz specimen ware that ground passes through 90 ° of bend pipe syringe needles；
(7) take pictures
When oil droplet reaches maximum gauge, applicable industry camera is continuously taken pictures；
(8) measure
The diameter on maximum gauge and other height sections to oil droplet in photo is measured, and calculates oil droplet and seawater
Between interfacial tension.
Interface Tensile Test Method can also be adopted the following technical scheme that between oil droplet-seawater：
Interface Tensile Test Method between described oil droplet-seawater, is characterized in：Interface tension test side between oil droplet-seawater
Method includes that quartz specimen ware moves regulation process, if industrial camera mirror is deflected away from the port of 90 ° of bend pipe syringe needles in quartz specimen ware
During the field range of head, planchet mobile electric slide unit is adjusted by regulating and controlling mechanism, make 90 ° of bend pipe syringe needles in quartz specimen ware
Port in the micro- industrial camera camera lens of high speed central region position.
The utility model has the advantages and positive effects that：
Interfacial tension test device is as a result of the brand-new technical scheme of the utility model between oil droplet-seawater, and existing
Technology is compared, and the utility model has simple structure, easy to operate, data stabilization, and measuring accuracy is high, and test speed is fast, practical
Property it is strong, the advantages of applied widely.
Description of the drawings
Fig. 1 is interfacial tension test device overlooking the structure diagram between oil droplet-seawater；
Fig. 2 is interfacial tension test device main structure diagram between oil droplet-seawater；
Fig. 3 is the side structure schematic view of Fig. 2.
In figure, 1, LED lifting electric slide unit；2nd, LED lamp panel；3rd, oil sample injection motor；4th, the micro- industrial camera of high speed；
5th, the micro- industrial camera lifting electric slide unit of high speed；6th, the micro- industrial camera of high speed moves horizontally electronic slide unit；7th, plate is manipulated；8、
Planchet moves left and right electronic slide unit；9th, quartz specimen ware；10th, oil droplet；11st, 90 ° of bend pipe syringe needles；12nd, horizontal injection device；13、
Digital display differential head.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinated
Accompanying drawing describes in detail as follows：
Refering to accompanying drawing 1, Fig. 2 and Fig. 3.
Embodiment 1
Interfacial tension test device between a kind of oil droplet-seawater, including measuring unit, sample injection unit and operating-controlling mechanism；
Measuring unit includes the micro- industrial camera of high speed and LED, measuring unit be provided with the micro- industrial camera of high speed move horizontally it is electronic
The micro- industrial camera lifting electric slide unit of slide unit, LED lifting electric slide unit and high speed；Sample injection unit injects comprising sample
Motor, digital display differential head, horizontal injection device, 90 ° of bend pipe syringe needles, planchets, sample injection motor and digital display differential head rotary shaft
It is connected, digital display differential head connection horizontal injection device, horizontal injection device connects 90 ° of bend pipe syringe needles, 90 ° of bend pipe syringe needles are located at planchet
Interior, the outlet of 90 ° of bend pipe syringe needles is upwards.The micro- industrial camera of operating-controlling mechanism connection control high speed moves horizontally electronic slide unit, LED
The micro- industrial camera lifting electric slide unit of lamp lifting electric slide unit, high speed, quartz specimen ware mobile electric slide unit, sample injection electricity
The micro- parted hair of machine sum.
Measuring unit is with sample injection unit on same datum level, and the projection line of measuring unit axis is single with sample injection
The projection line of first axis is mutually perpendicular to.
The concrete structure and its implementation process of the present embodiment：
Interfacial tension test device between a kind of oil droplet-seawater, including measuring unit, sample injection unit and manipulation plate.
Measuring unit includes：The micro- industrial camera 4 of LED lamp panel 2, high speed.Because light intensity can have to the limb recognition of oil droplet
Significant impact, so the center of LED lamp panel 2 is constantly in same level axle with the central point of the micro- camera lens of industrial camera 4 of high speed
On line.In order to can guarantee that them on same level axis, the unit further comprises the LED that can make the oscilaltion of LED lamp panel 2
Lifting electric slide unit 1 and the micro- industrial camera lifting electric slide unit 5 of high speed that high speed micro- industrial camera 4 oscilaltion can be made.
In view of the micro- camera lens of industrial camera 4 of high speed has strict requirements to its operating distance, the unit also includes the micro- industry of high speed
Camera moves horizontally electronic slide unit 6, and in continuous mode, the distance between precision adjustment camera lens and oil droplet is at the work of camera lens
Make at distance.
Sample injection unit includes：Quartz specimen ware 9, in test process, the inside prepackage seawater；Also include：Level is noted
Emitter 12 and connect 90 ° of bend pipe syringe needles, 11,90 ° of needle tubing opening upwards of bend pipe syringe needle 11 of its front end, and needle tubing mouth is partially in
Inside quartz specimen ware 9；In order that the change in shape of oil droplet 10 generated in the seawater in quartz specimen ware 9 is steady, it is improved
Certainty of measurement, the unit is also included：Digital display differential head 13 as push rod and connect oil sample injection motor 3 in its rotary shaft.
Digital display differential head inside has minimum rotation propulsion pitch, the shape of oil droplet 10 can be made to grow up steady, easily determines it maximum straight
Footpath.Digital display differential head 13 is driven in test process by oil sample injection motor 3, lentamente promotes horizontal injection device 12 to pass through 90 °
Bend pipe syringe needle 11, releases stable oil droplet 10 at 90 ° of needle tubing mouths of bend pipe syringe needle 11.Due to the mirror of the micro- industrial camera 4 of high speed
The visual field of head is less, and the unit also moves left and right electronic slide unit 8 comprising planchet, in test process, the quartzy sample of left and right adjustment
In the visual field of the syringe needle port in product ware 9 in the camera lens of the micro- industrial camera 4 of high speed.
On same datum level, projection line and the projection line of sample injection unit axis of measuring unit axis mutually hang down
Directly.
Manipulation plate 7 includes：The power button and speed governing button of each slide unit are more than controlled, centralized Control is easy to operate, fast
Speed.
Embodiment 2
Interface Tensile Test Method between a kind of oil droplet-seawater, including following test process：
(1) LED is adjusted：LED lifting electric slide unit is adjusted by regulating and controlling mechanism so that LED central point and quartz
The port of 90 ° of bend pipe syringe needles is on same level axis in planchet；
(2) industrial camera is highly adjusted：Industrial camera lifting electric slide unit is adjusted by regulating and controlling mechanism so that industrial camera
The port of 90 ° of bend pipe syringe needles in optical center point and quartz specimen ware is on same level axis；
(3) industrial camera Level tune：Industrial camera is adjusted by regulating and controlling mechanism and moves horizontally electronic slide unit so that industry
Distance in camera lens central point and quartz specimen ware between the port of 90 ° of bend pipe syringe needles is the operating distance of camera lens；
(4) oil sample is sucked：Oil sample to be measured is sucked with horizontal injection device, level is connected and fixes with 90 ° of bend pipe syringe needles；
(5) seawater is added：Seawater to be measured is added in quartz specimen ware；
(6) oil droplet is formed：Sample is started by regulating and controlling mechanism and injects motor, drive digital display differential head to promote horizontal injection
Device, is stable into being formed in the Marine water to upper port in quartz specimen ware of the oil sample slowly through 90 ° of bend pipe syringe needles
Long oil droplet；
(7) take pictures：When oil droplet reaches maximum gauge, applicable industry camera is continuously taken pictures；
(8) measure：The diameter on maximum gauge and other height sections to oil droplet in photo is measured, and is calculated fuel-displaced
Interfacial tension between drop and seawater.
The specific implementation process of this enforcement：
Interface Tensile Test Method between oil droplet-seawater, including following test process：
(1) corresponding power button on application manipulation plate 7, adjusts LED lifting electric slide unit 1 and causes the center of LED lamp panel 2
Put and be on same level axis with the port of 90 ° of bend pipe syringe needles 11 in quartz specimen ware 9；
(2) corresponding power button on application manipulation plate 7, adjusts the micro- industrial camera lifting electric slide unit 5 of high speed and causes
The port of 90 ° of bend pipe syringe needles 11 in the micro- optical center point of industrial camera 4 of high speed and quartz specimen ware 9 is in same level axle
On line；
(3) corresponding power button on application manipulation plate 7, adjusts the micro- industrial camera of high speed and moves horizontally electronic slide unit 6,
The distance in the micro- optical center point of industrial camera 4 of high speed and quartz specimen ware 9 between the port of 90 ° of bend pipe syringe needles 11 is set to be camera lens
Operating distance；
(4) when the micro- industrial camera 4 of high speed is deflected away from port of 90 ° of bend pipe syringe needles 11 in discovery quartz specimen ware 9 or so
During the field range of camera lens, using corresponding power button on manipulation plate 7, adjust planchet and move left and right electronic slide unit 8, make stone
Central region position of the port of 90 ° of bend pipe syringe needles 11 in English planchet 9 in the micro- camera lens of industrial camera 4 of high speed；
(5) oil sample to be measured is sucked with horizontal injection device 12, level is connected with 90 ° of bend pipe syringe needles 11, and it is fixed；
(6) seawater to be measured is added in quartz specimen ware 9 to certain height；
(7) corresponding power button on application manipulation plate 7, starts and drives digital display differential head 13 to promote horizontal injection device 12,
It is stable into being formed in the Marine water to upper port in quartz specimen ware 9 of the oil sample slowly through 90 ° of bend pipe syringe needles 11
Long oil droplet 10；
(8) when oil droplet 10 reaches maximum gauge, continuously take pictures using the micro- industrial camera 4 of high speed；
(9) diameter on maximum gauge to the oil droplet 10 in photo and other height sections is measured；
(10) density of difference determination test seawater and test oil sample；
(11) corresponding S values are calculated using formula (2), and looks into S～1/H tables of Bashforth-Adams methods, draw 1/
H values；
(12) interfacial tension between oil droplet and seawater is calculated using formula (4).
The present embodiment has described simple structure, and easy to operate, data stabilization, measuring accuracy is high, and test speed is fast, real
It is strong with property, it is applied widely to wait good effect.
Claims (4)
1. interfacial tension test device between a kind of oil droplet-seawater, is characterized in that：Interfacial tension test device bag between oil droplet-seawater
Include measuring unit, sample injection unit and operating-controlling mechanism；Measuring unit includes industrial camera and LED, and measuring unit is provided with work
Industry camera moves horizontally electronic slide unit, LED lifting electric slide unit and industrial camera lifting electric slide unit；Sample injection unit bag
Containing sample injection motor, digital display differential head, horizontal injection device, syringe needle, planchet, sample injection motor rotates with digital display differential head
Axle is connected, and digital display differential head connection horizontal injection device, horizontal injection device connecting needle, syringe needle is located in planchet；Operating-controlling mechanism
Connection control industrial camera moves horizontally electronic slide unit, LED lifting electric slide unit, industrial camera lifting electric slide unit, sample
The micro- parted hair of injection motor sum.
2. interfacial tension test device between oil droplet-seawater according to claim 1, is characterized in that：Sample injection unit
Syringe needle be 90 ° of bend pipe syringe needles, sample injection motor rotarily drive differential head interior axle be rotatably connected propulsion horizontal injection device, level note
Emitter connects 90 ° of bend pipe syringe needles, and the outlet of 90 ° of bend pipe syringe needles is upwards.
3. interfacial tension test device between oil droplet-seawater according to claim 1 and 2, is characterized in that：Sample injection unit
It is provided with quartz specimen ware mobile electric slide unit, operating-controlling mechanism connection control quartz specimen ware mobile electric slide unit.
4. interfacial tension test device between oil droplet-seawater according to claim 1 and 2, is characterized in that：Measuring unit and sample
On same datum level, projection line and the projection line of sample injection unit axis of measuring unit axis mutually hang down product injection unit
Directly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226199A (en) * | 2016-09-13 | 2016-12-14 | 中海石油环保服务（天津）有限公司 | Interfacial tension test device and method of testing between a kind of oil droplet seawater |
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2016
- 2016-09-13 CN CN201621051835.0U patent/CN206161475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226199A (en) * | 2016-09-13 | 2016-12-14 | 中海石油环保服务（天津）有限公司 | Interfacial tension test device and method of testing between a kind of oil droplet seawater |
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