CN106872353A - High temperature emulsifies dynamic test set and method of testing - Google Patents

High temperature emulsifies dynamic test set and method of testing Download PDF

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CN106872353A
CN106872353A CN201710261369.1A CN201710261369A CN106872353A CN 106872353 A CN106872353 A CN 106872353A CN 201710261369 A CN201710261369 A CN 201710261369A CN 106872353 A CN106872353 A CN 106872353A
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emulsification
oil
emulsion
water
phase
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CN106872353B (en
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岳湘安
杨长春
张立娟
张雪楠
李超跃
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China University of Petroleum Beijing
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China University of Petroleum Beijing
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    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract

The invention provides a kind of high temperature emulsification dynamic test set and method of testing.High temperature emulsification dynamic test set includes visual emulsification unit, and the vibration unit and temperature control unit being connected with visual emulsification unit respectively.High temperature emulsification dynamic testing method includes:To addition emulsifier solution and oil sample in visual test tube;Liquid medium is heated to predetermined temperature, water mutually height and profit phase total height is read;Vibration on Start-up unit, reads the interfacial level of oil phase emulsion band and water phase emulsion band in real time;Vibration unit is closed, oil phase emulsion band and the interfacial level of water phase emulsion band that emulsion process terminates moment and separated in time is read;It is determined that emulsification coefficient and emulsion-stabilizing coefficient, complete test.The technical scheme for providing of the invention can accurately measure the dynamic changing data of oil phase emulsion band interface and water phase emulsion band interfacial level during oil-water emulsion and during standing demulsification, can accurately control emulsification condition, and easy to operate, experimental period is short.

Description

High temperature emulsifies dynamic test set and method of testing
Technical field
The present invention relates to a kind of high temperature emulsification dynamic test set and method of testing, belong to emulsifiability technical field of measurement and test.
Background technology
In many industry and technical field, the survey of oil-water emulsion ability and stability of emulsion under hot conditions is directed to Examination and evaluation.For example, during field of petroleum exploitation, the especially chemical flooding containing surfactant, oil-water emulsion ability and Stability of emulsion is the key factor for influenceing oil displacement efficiency and sweep efficiency.Therefore, set up in oil reservoir (especially high-temperature oil reservoir) Under the conditions of, oil-water emulsion ability and stability of emulsion evaluation method are the active demands of chemical flooding theoretical and technological studies.
Existing oil-water emulsion and stability of emulsion method of testing mainly have hand method and mechanical mixing method.For a long time, Both approaches serve critically important effect in oil-water emulsion Related Research Domain extensive use.But, both approaches are present Some problems, it is as described below:
1. (especially more than 100 DEG C) emulsification evaluation experimental can not be carried out under the high temperature conditions;
2. oil sample often sticks to wall, it is difficult to reading;
3. the position of each boundary in emulsion process cannot be measured, it is impossible to obtain the multidate information of emulsion process;
4. the suspension of oil droplet is measured to initial emulsification and causes very big difficulty surely;
5. the emulsification condition of hand method is difficult to quantified controlling.
Therefore it provides one kind is under the high temperature conditions, the instrument and method of test oil-water emulsion ability and stability of emulsion into It is high-temperature oil reservoir exploitation and other association areas technical problem urgently to be resolved hurrily.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of emulsification of high temperature dynamic test set and test side Method.The technical scheme that the present invention is provided accurately can measure oil phase-emulsification during oil-water emulsion and during standing demulsification The dynamic changing data of the interfacial level of the interface of band and water phase-emulsion band, can accurately control emulsification condition, easy to operate, real Test cycle is short.
To reach above-mentioned purpose, the invention provides a kind of high temperature emulsification dynamic test set, high temperature emulsification dynamic test Instrument includes visual emulsification unit, and the vibration unit and temperature control unit being connected with the visual emulsification unit respectively;Its In,
The visual emulsification unit includes visual container, graduated scale and visual test tube;Wherein, the graduated scale and visual examination Pipe is located in the visual container;
The temperature control unit includes temperature controller, and the thermocouple that is connected with the temperature controller respectively and Electrothermal tube;Wherein, the measuring point at the heating position of the electrothermal tube, and the thermocouple is respectively positioned on the visual container It is internal;
The vibration unit includes vibration machine, and the vibration regulation and control that are connected with the vibration machine and display instrument Table.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that the graduated scale is the scale being made up of stainless steel material Chi, the visual test tube is teat glass, but not limited to this.
Above-mentioned high temperature emulsification dynamic test set in, the visual container be by heat resisting and pressure resisting material prepare it is visual Container (for example can be the visual container being made up of heat resisting and pressure resisting glass), the visual container can tolerate 150 DEG C of high temperature; The electrothermal tube can be used to heat the liquid medium in the visual container, and the thermocouple can in real time measure liquid The temperature of body medium, the temperature controller can be used to experimental temperature and show the temperature of thermocouple measurement in real time in real time Degree.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that the graduated scale is vertically arranged in the visual container It is internal;The top of the graduated scale is connected with the top of the visual container, and the bottom of the graduated scale is in vacant state, does not have Have and be connected with the bottom of visual container;Initial scale value on the graduated scale is with the visual bottom for trying liquid in pipe same On one horizontal line/face.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that the visual test tube is vertically placed in described visual In container, it is parallel to each other with the graduated scale.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that be provided with sealing-plug at the top of the visual test tube.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that the vibration frequency of the vibration unit is 100Hz-105Hz, Power is 0-200W.
In above-mentioned high temperature emulsification dynamic test set, it is preferable that high temperature emulsification dynamic test set is using the connection of spiral shell button With the bottom of the visual container be connected the vibration machine by mode, but not limited to this, other routine connected modes Can be with.
The high temperature emulsification dynamic test set that the present invention is provided, can simulate hot conditions, in oil-water emulsion process and emulsion During demulsification, the dynamic change of the interface location of interface location and the water phase-emulsion band of oil phase-emulsion band can be accurately measured Data, eliminate the error of the initial emulsification measurement that oil droplet suspension and Gravity Separation are caused;At the same time, by adjusting vibration The power in source, can accurately control emulsification condition, realize the repeatable operation of test condition;Additionally, easy to operate, experimental period It is short.
Present invention also offers a kind of high temperature emulsification dynamic testing method, it is comprised the following steps:
To emulsifier solution (water phase) is first added in visual test tube, oil sample (oil phase) is subsequently adding, so that water is visual The bottom of test tube, oil phase is on top, after addition is finished, screwing hermetic plug;
Visual test tube is placed in visual container, to liquid medium is injected in the visual container, until liquid medium soaks Do not have the visual test tube;
Liquid medium is heated to predetermined temperature by start-up temperature control unit, on the basis of the bottom of water phase, by scale Chi reads and records the height (i.e. the total height of water phase and oil phase) of oil phase top liquid level in visual test tube, and water phase-oil phase Initial interface highly;
Vibration on Start-up unit, on the basis of the bottom of water phase, read in real time and record the interfacial level of oil phase-emulsion band with And the interfacial level of water phase-emulsion band, until the interfacial level of interfacial level and the water phase-emulsion band of oil phase-emulsion band is no longer Change;
Vibration unit is closed, on the basis of the bottom of water phase, the boundary that emulsion process terminates the oil phase-emulsion band of moment is read The interfacial level of face height and water phase-emulsion band, then reads the interfacial level and water phase-emulsion band of oil phase-emulsion band in real time Interfacial level, until the interfacial level of interfacial level and the water phase-emulsion band of oil phase-emulsion band no longer changes or emulsion band disappears Lose;Wherein, read in real time oil phase-emulsion band interfacial level and water phase-emulsion band interfacial level when can be spaced it is corresponding Time period (time period can determine according to actual conditions) reads interfacial level and the water phase-emulsion band of oil phase-emulsion band Interfacial level.
According to the data for reading and record, corresponding emulsification oil cut rate or emulsified water rate of each testing time is determined, it is then determined that Emulsification coefficient and emulsion-stabilizing coefficient, complete the test of oil-water emulsion performance.
Vibration on Start-up unit, reads and records the interfacial level of oil phase-emulsion band in emulsion process in real time, and water phase- During the interfacial level of emulsion band, vibration early stage is high due to the interfacial level of oil phase-emulsion band, and the interface of water phase-emulsion band Degree change is very fast, can correspondingly shorten time interval, reads and record the interfacial level of oil phase-emulsion band, and water phase-breast Change the situation of change of the interfacial level of band;Vibration later stage is due to the interfacial level of oil phase-emulsion band, and water phase-emulsion band When interfacial level change is slower, can correspondingly extend time interval, to record the situation of change of height.
The technical scheme that the present invention is provided passes through position and the water phase-emulsion band at the interface for measuring oil phase-emulsion band in real time Interface position dynamic change, calculate corresponding emulsification oil cut rate (participating in the ratio between oil mass and original oil total amount of emulsification) or Emulsified water rate (participates in the ratio between water and original water inventory of emulsification), draws oil emulsion (or water) rate and is incremented by performance graph.It is based on The curve, determines the emulsification coefficient of comprehensive characterization emulsifying rate and emulsifying amount;To emulsify coefficient as index, oil displacement agent can be evaluated With the emulsifying capacity of oil sample.After emulsifying amount reaches equilibrium valve, stop vibration, record interface and the water phase-emulsification of oil phase-emulsion band The dynamic change at the interface of band;The performance graph that oil emulsion (or water) rate of drafting is successively decreased, calculates emulsion-stabilizing coefficient;It is steady with emulsion Coefficient is determined for index, can evaluate emulsion intercalation method.
In the above-mentioned methods, it is preferable that in visual test tube, the ratio between volume of oil phase and water phase is 1:1.
In the above-mentioned methods, it is preferable that the initial scale value in visual test tube on the bottom of water phase and graduated scale is same On horizontal line/face.
In the above-mentioned methods, it is preferable that the computing formula of the emulsification oil cut rate is as shown in Equation 1:
In formula 1, EoIt is emulsification oil cut rate;On the basis of the bottom of water phase, H0For water phase-oil phase initial interface highly, H1 It is water phase and the total height of oil phase, H2It is the interfacial level of institute's oil phase-emulsion band.
In the above-mentioned methods, it is preferable that the computing formula of the emulsified water rate is as shown in Equation 2:
In formula 2, EwIt is emulsified water rate;On the basis of the bottom of water phase, H0For water phase-oil phase initial interface highly, H3 It is the interfacial level of water phase-emulsion band.
In the above-mentioned methods, it is preferable that the method also includes building the relation curve of emulsification oil cut rate and time of vibration, or The step of relation curve of structure emulsified water rate and time of vibration.Emulsification coefficient can be obtained based on this relation curve, emulsified Coefficient being capable of comprehensive characterization oil-water emulsion speed and emulsifying amount.
In the above-mentioned methods, it is preferable that the computing formula of the emulsification coefficient is as shown in Equation 3
In formula 3, EI is emulsification coefficient;Wherein, A1And A2Computing formula as shown in formula 4-1 or formula 4-2
In formula 4-1, EoT () is emulsification oil cut rate EoWith the relation curve of time of vibration t;teIt is the time of cut-off vibration;Eoe It is balance emulsification oil cut rate (emulsifying emulsification oil cut rate when reaching poised state);
In formula 4-2, EwT () is emulsified water rate EwWith the relation curve of time of vibration t;teIt is the time of cut-off vibration;Ewe It is balance emulsified water rate (emulsifying emulsified water rate when reaching poised state).
In a detailed embodiment, it is determined that emulsification coefficient includes procedure below:
To emulsify oil cut rate EoIt is ordinate, time of vibration t is abscissa, draws emulsification oil cut rate EoWith the relation of time of vibration t Curve is (as shown in figure 3, t in figureeIt is the time of cut-off vibration, EoeIt is balance emulsification oil cut rate);Wherein, by curve and abscissa and End the time t of vibrationeThe area for surrounding is designated as A1;By balance emulsification oil cut rate Eoe, cut-off vibration time teEnclosed with transverse and longitudinal coordinate Into rectangular area be designated as A2
The computing formula of the emulsification coefficient EI is as shown in Equation 3
In formula 3, A1And A2Computing formula as shown in formula 4-1
In the technical scheme that the present invention is provided, the relation curve of the emulsified water rate and time of vibration for building is also based on Obtain emulsification coefficient;In actual mechanical process, due to the difference of emulsifying agent property, the interface of oil phase-emulsion band and water phase-breast The interface is clear degree for changing band is different:If the interface is clear of oil phase-emulsion band, the pass of emulsification oil cut rate and time of vibration can be drawn It is curve, to obtain emulsification coefficient;If the interface is clear of water phase-emulsion band, can draw the pass of emulsified water rate and time of vibration It is curve, to obtain emulsification coefficient.
In the above-mentioned methods, it is preferable that the method also includes building emulsification oil cut rate and the relation curve of water-oil separating time, Or the step of build the relation curve of emulsified water rate and water-oil separating time.Emulsion can be obtained based on this relation curve steady Determine coefficient, emulsion-stabilizing coefficient can evaluate emulsion intercalation method.
In the above-mentioned methods, it is preferable that the computing formula of the emulsion-stabilizing coefficient is as shown in Equation 5
In formula 5, SEIt is emulsion-stabilizing coefficient;Wherein, A3And A4Computing formula as shown in formula 6-1 or formula 6-2
In formula 6-1, EoT () is emulsification oil cut rate EoWith the relation curve of water-oil separating time t;tsFor profit is kept completely separate Time;Eo0It is initial emulsification oil cut rate;
In formula 6-2, EwT () is emulsified water rate EwWith the relation curve of water-oil separating time t;tsFor profit is kept completely separate Time;Ew0It is initial emulsification water rate.
In a detailed embodiment, determine that emulsion-stabilizing coefficient includes procedure below:
To emulsify oil cut rate EoIt is ordinate, water-oil separating time t is abscissa, draws emulsification oil cut rate EoDuring with water-oil separating Between t relation curve (as shown in figure 4, t in figuresIt is the time that profit is kept completely separate, Eo0It is initial emulsification oil cut rate);Wherein, will Curve is designated as A with the area that transverse and longitudinal coordinate is surrounded3;By initial emulsification oil cut rate Eo0, the time t that is kept completely separate of profitsSat with transverse and longitudinal The rectangular area that mark is surrounded is designated as A4
The emulsion-stabilizing coefficient SEComputing formula it is as shown in Equation 5
In formula 5, A3And A4Computing formula as shown in formula 6-1
In the above-mentioned methods, the relation curve for being also based on the emulsified water rate and water-oil separating time for building obtains emulsion The coefficient of stability.
In the above-mentioned methods, it is preferable that the method is also included according to relatively emulsification coefficient and the emulsion-stabilizing coefficient pair for obtaining The step of emulsifiability of different emulsifiers is evaluated, evaluation criterion is:
The value of emulsification coefficient EI is bigger, then the emulsifying capacity of emulsifying agent is stronger;
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
Beneficial effects of the present invention:
1) experimental temperature of the technical scheme that the present invention is provided can reach 150 DEG C, will not be adhered in emulsion process The phenomenon of wall is clear so as to ensure that emulsion process median surface, it is easy to reading;
2) technical scheme that the present invention is provided can exactly measure the interface of oil phase-emulsion band, and water phase-emulsion band Interface dynamic changing data;And can exactly determine initial emulsification amount;
3) technical scheme that the present invention is provided can accurately measure oil phase-emulsion band during emulsion process and demulsification Interface location and water phase-emulsion band interface location dynamic change, eliminate oil droplet suspension and Gravity Separation is caused just Beginning emulsifying amount measurement error;At the same time, by adjusting the power of vibration source, emulsification condition can be accurately controlled, realizes test The repeatable operation of condition;Additionally, easy to operate, experimental period is short;
4) technical scheme that the present invention is provided is related to the test of the emulsifiability under the conditions of normal temperature to high temperature (≤150 DEG C), Can apply to oil-gas field development technical field (such as the test of the oil-water emulsion performance under the conditions of high-temperature oil reservoir) and other phases (such as be related to emulsifiability test in the industry such as food engineering, Chemical Engineering can use present invention offer in pass field Technical scheme);When being applied in oil-gas field development field, the technical scheme that the present invention is provided is for Oil Field is screened and is ground Emulsifying agent under sending out reservoir condition corresponding provides foundation, for water drive, gas drive, chemical flooding theoretical and technological studies provide support.
Brief description of the drawings
Fig. 1 is the structural representation that the high temperature that embodiment 1 is provided emulsifies dynamic test set;
Fig. 2 is the schematic diagram of parameter for needing in embodiment 2 to read and record;A in figure needs to read before being emulsified for vibration The parameter for taking and recording, the b in figure is to vibrate need the parameter that reads and record in emulsion process;
Fig. 3 is the relation curve of emulsification oil cut rate and time of vibration in embodiment 2;
Fig. 4 is the relation curve of emulsification oil cut rate and water-oil separating time in embodiment 2;
Main Reference label declaration:
1:Heat resisting and pressure resisting glass infuser;2:Steel ruler;3:Thermocouple;4:Electrothermal tube;5:Teat glass;6:Temperature controller;7: Vibration machine;8:Vibration regulation and control and display instrument.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and beneficial effect, now to skill of the invention Art scheme carry out it is described further below, but it is not intended that to it is of the invention can practical range restriction.
Embodiment 1
A kind of high temperature emulsification dynamic test set is present embodiments provided, its structural representation is as shown in Figure 1.
The high temperature emulsification dynamic test set include visual emulsification unit, and with respectively with shaking that visual emulsification unit is connected Moving cell and temperature control unit;Wherein,
Visual emulsification unit includes heat resisting and pressure resisting glass infuser 1, steel ruler 2 and teat glass 5;Steel ruler 2 and the equal position of teat glass 5 In heat resisting and pressure resisting glass infuser 1;Wherein, heat resisting and pressure resisting glass infuser 1 can bear 150 DEG C of high temperature and the pressure of 1.5MPa;Steel ruler 2 Top be connected with the top of heat resisting and pressure resisting glass infuser 1, the bottom of steel ruler 2 is in vacant state, not with heat resisting and pressure resisting glass The bottom of cylinder 1 is connected, steel ruler 2 along top to bottom direction, scale value thereon is gradually reduced;The top of teat glass 5 It is provided with sealing-plug;
Temperature control unit includes temperature controller 6, and the thermocouple 3 and electric heating being connected with temperature controller 6 respectively Pipe 4;The heating position of electrothermal tube 4 and the measuring point of thermocouple 3 are respectively positioned on the inside of heat resisting and pressure resisting glass infuser 1;Electrothermal tube 4 Can be used to heat the liquid medium in heat resisting and pressure resisting glass infuser, thermocouple 3 can in real time measure the temperature of liquid medium Degree;
Vibration unit includes vibration machine 7, and the vibration regulation and control that are connected with vibration machine 7 and display instrument 8.
Embodiment 2
A kind of high temperature emulsification dynamic testing method is present embodiments provided, it is comprised the following steps:
To the advance emulsifier solution (water phase) for preparing first is added in teat glass 5, oil sample (oil phase) is added afterwards, both The ratio between volume is 1:1, after adding oil sample to finish, screw bottle stopper sealing.
Teat glass 5 is put into heat resisting and pressure resisting glass infuser 1, keep teat glass 5 straight up, now water under, Oil phase is upper;Make the bottom of initial scale value on steel ruler 2 and water phase on same horizontal line/face simultaneously, height is read to facilitate Degree.
To injection heating medium deionized water in heat resisting and pressure resisting glass infuser 1, teat glass 5 is submerged.Open temperature control Instrument processed 6, target reservoir temperature is set as by temperature, and now electrothermal tube 4 starts to heat deionized water, and thermocouple 3 can be real-time The actual temperature of ground measurement deionized water.
Constant temperature makes the temperature of oil sample and emulsifier solution in teat glass 5 reach the experimental temperature of setting, now using steel Chi 2 reads and records the total height of water phase and oil phase in teat glass 5, is designated as H1, and water phase-oil phase initial interface highly (initial interface of water phase-oil phase refers to the interface formed between water phase and oil phase two-phase), is designated as H0, such as a institutes in Fig. 2 Show.
Opening vibration regulation and control and display instrument 8, now vibration machine 7 is started working, while start stopwatch, it is real-time, accurate Really read and record the interfacial level H of oil phase-emulsion band2Dynamic change situation, and water phase-emulsion band interfacial level H3Dynamic change situation, as shown in the b in Fig. 2.With the extension of effect of vibration time, H2、H3Height be basically unchanged, this When record cut-off vibration time te(t in the present embodimenteIt it is 20 minutes).
Close vibration regulation and control and display instrument 8, cut-off vibration, while starting stopwatch, the boundary of real time record oil phase-emulsion band Face height H2With the interfacial level H of water phase-emulsion band3Dynamic change situation, treat H2、H3Height be basically unchanged or emulsion band During disappearance, experiment terminates, the record time t that now profit is kept completely separates
After experiment terminates, closing temperature controller 6 when the temperature in visual emulsification unit is down to room temperature, takes out glass Test tube 5, pours into oil sample in teat glass 5 and emulsifier solution waste liquid barrel and reclaims, cleans teat glass 5 next time standby.
Based on the experimental data of above-mentioned record, Data Analysis Services are carried out, to obtain for evaluating oil displacement agent with oil sample The emulsification coefficient EI of emulsifying capacity, and for evaluating the emulsion-stabilizing coefficient S of stability of emulsionE
1) emulsification oil cut rate E is calculatedo, computing formula is as shown in Equation 1
2) emulsification coefficient EI is calculated:With time of vibration t as abscissa, oil cut rate E is emulsifiedoEmulsification oil cut rate is drawn for ordinate to pass The performance graph (as shown in Figure 3) of increasing;T is time of vibration, E in Fig. 3oeIt is balance emulsification oil cut rate, teIt is the time of cut-off vibration; A in figure1It is the time t of emulsification oil cut rate performance graph, abscissa and cut-off vibrationeArea (i.e. the moon in Fig. 3 that=20min is surrounded Shadow part);A2It is balance emulsification oil cut rate EoeWith the time t of cut-off vibrationeThe rectangular area for surrounding;
The computing formula of emulsification coefficient EI is as shown in Equation 3
In formula 3, A1And A2Computing formula as shown in formula 4-1
Emulsification coefficient EI can evaluate the emulsifying capacity of oil displacement agent and oil sample:The value of emulsification coefficient EI is bigger, then emulsifying agent Emulsifying capacity it is stronger, selected in the chemical flooding containing surfactant emulsification coefficient EI values it is maximum as displacement of reservoir oil emulsification Agent.
3) emulsion-stabilizing coefficient S is calculatedE:With water-oil separating time t as abscissa, oil cut rate E is emulsifiedoFor ordinate draws breast The performance graph (as shown in Figure 4) of carburetion rate reduction;T is water-oil separating time, E in Fig. 4o0It is initial emulsification oil cut rate, tsIt is oil The time that water is kept completely separate;A in figure3For the area (shadow part in Fig. 4 that emulsification oil cut rate performance graph and two reference axis are surrounded Point);A4It is initial emulsification oil cut rate Eo0, profit be kept completely separate time tsThe rectangular area surrounded with two reference axis.
Emulsion-stabilizing coefficient SEComputing formula it is as shown in Equation 5
In formula 5, A3And A4Computing formula as shown in formula 6-1
Emulsion-stabilizing coefficient SEEmulsion intercalation method can be evaluated:Emulsion-stabilizing coefficient SEValue it is bigger, then the stabilization of emulsion Property is stronger.
By comparing emulsification coefficient EI and emulsion-stabilizing coefficient SEEmulsifiability to different emulsifiers is evaluated:
The value of emulsification coefficient EI is bigger, then the emulsifying capacity of emulsifying agent is stronger;
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from, The scope of protection of the invention should be belonged to.

Claims (10)

1. a kind of high temperature emulsification dynamic test set, it includes visual emulsification unit, and respectively with the visual emulsification unit phase Vibration unit and temperature control unit even;Wherein,
The visual emulsification unit includes visual container, graduated scale and visual test tube;Wherein, the graduated scale and visual test tube position In in the visual container;
The temperature control unit includes temperature controller, and the thermocouple and electric heating being connected with the temperature controller respectively Pipe;Wherein, the measuring point at the heating position of the electrothermal tube, and the thermocouple is respectively positioned on the interior of the visual container Portion;
The vibration unit includes vibration machine, and the vibration regulation and control that are connected with the vibration machine and display instrument.
2. high temperature according to claim 1 emulsifies dynamic test set, wherein, the graduated scale is vertically arranged in described visual The inside of container;
The top of the graduated scale is connected with the top of the visual container, and bottom is in vacant state.
3. a kind of high temperature emulsifies dynamic testing method, and it is comprised the following steps:
To emulsifier solution is first added in visual test tube, oil sample is subsequently adding, after adding oil sample to terminate, screwing hermetic plug;
Visual test tube is placed in visual container, to liquid medium is injected in the visual container, until liquid medium submergence institute State visual test tube;
Liquid medium is heated to predetermined temperature by start-up temperature control unit, on the basis of the bottom of water phase, is read by graduated scale Take the total height of water phase and oil phase in visual test tube, and water phase-oil phase initial interface highly;
Vibration on Start-up unit, on the basis of the bottom of water phase, reads the interfacial level and water phase-breast of oil phase-emulsion band in real time Change the interfacial level of band, until the interfacial level of interfacial level and the water phase-emulsion band of oil phase-emulsion band no longer changes;
Vibration unit is closed, on the basis of the bottom of water phase, the interface for reading oil phase-emulsion band that emulsion process terminates moment is high The interfacial level of degree and water phase-emulsion band, then reads the interfacial level of oil phase-emulsion band and the boundary of water phase-emulsion band in real time Face highly, until the interfacial level of interfacial level and the water phase-emulsion band of oil phase-emulsion band no longer change or emulsion band disappear;
Corresponding emulsification oil cut rate or emulsified water rate of each testing time is determined, it is then determined that emulsification coefficient and emulsion-stabilizing coefficient, complete Into the test of oil-water emulsion performance.
4. method according to claim 3, wherein, the initial scale value in visual test tube on the bottom of water phase and graduated scale In the same horizontal line.
5. the method according to claim 3 or 4, wherein, the computing formula of the emulsification oil cut rate is as shown in Equation 1
In formula 1, EoIt is emulsification oil cut rate;On the basis of the bottom of water phase, H0For water phase-oil phase initial interface highly, H1It is water Mutually with the total height of oil phase, H2It is the interfacial level of oil phase-emulsion band;
Preferably, the computing formula of the emulsified water rate is as shown in Equation 2
In formula 2, EwIt is emulsified water rate, on the basis of the bottom of water phase, H0For water phase-oil phase initial interface highly;H3It is water The interfacial level of phase-emulsion band.
6. the method according to claim 3 or 5, wherein, the method also includes building the pass of emulsification oil cut rate and time of vibration It is curve, or the step of build the relation curve of emulsified water rate and time of vibration.
7. the method according to claim 3,5 or 6, wherein, the computing formula of the emulsification coefficient is as shown in Equation 3
In formula 3, EI is emulsification coefficient;Wherein, A1And A2Computing formula as shown in formula 4-1 or formula 4-2
In formula 4-1, EoT () is emulsification oil cut rate EoWith the relation curve of time of vibration t;teIt is the time of cut-off vibration;EoeIt is flat Weighing apparatus emulsification oil cut rate;
In formula 4-2, EwT () is emulsified water rate EwWith the relation curve of time of vibration t;teIt is the time of cut-off vibration;EweIt is flat Weighing apparatus emulsified water rate.
8. the method according to claim 3 or 5, wherein, the method also includes building emulsification oil cut rate and water-oil separating time Relation curve, or the step of build the relation curve of emulsified water rate and water-oil separating time.
9. the method according to claim 3,5 or 8, wherein, the computing formula of the emulsion-stabilizing coefficient is as shown in Equation 5
In formula 5, SEIt is emulsion-stabilizing coefficient;Wherein, A3And A4Computing formula as shown in formula 6-1 or formula 6-2
In formula 6-1, EoT () is emulsification oil cut rate EoWith the relation curve of water-oil separating time t;tsFor profit be kept completely separate when Between;Eo0It is initial emulsification oil cut rate;
In formula 6-2, EwT () is emulsified water rate EwWith the relation curve of water-oil separating time t;tsFor profit be kept completely separate when Between;Ew0It is initial emulsification water rate.
10. method according to claim 3, wherein, the method is also included according to the emulsification coefficient and emulsion-stabilizing for obtaining The step of coefficient is evaluated the emulsifiability of different emulsifiers, evaluation criterion is:
The value of emulsification coefficient EI is bigger, then the emulsifying capacity of emulsifying agent is stronger;
Emulsion-stabilizing coefficient SEValue it is bigger, then emulsion intercalation method is stronger.
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