A demulsification and emulsification analysis system and method based on ultrasonic action

Abstract

The present application discloses a demulsification and emulsification analysis system and method based on ultrasonic action, which relates to the field of crude oil recovery. The ultrasonic action module is used to perform ultrasonic treatment on the emulsion sample according to the set ultrasonic action data; the data processing module obtains observation information; the observation information includes the cavitation noise signal in the test chamber and the emulsion droplet change information of the emulsion sample during the ultrasonic treatment process; the controller determines the analysis result according to the observation information based on the set ultrasonic action data; the analysis result includes: the cavitation intensity change information in the test chamber, the demulsification and emulsification boundary and the ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change law of the free radical type and content determined based on the cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion. The present application can realize the analysis of the demulsification and emulsification mechanism during the ultrasonic treatment process to improve the crude oil recovery efficiency.

Description

Technical Field

[0001] The present application relates to the field of crude oil recovery, and in particular to an ultrasonic-based demulsification and emulsification analysis system and method. Background Art

[0002] Globally, as many old oil fields enter the middle and late stages of exploitation, tertiary oil recovery technology has gradually become the main method of oil recovery. However, this has also caused a series of problems that need to be solved, such as the complex composition of crude oil produced fluid and the serious emulsification phenomenon. Compared with traditional demulsification methods, ultrasonic demulsification not only has the advantages of environmental protection, quick effect, wide application range and no pollution to the formation, but also can greatly improve the dehydration rate of emulsion and improve the physical properties of emulsion when used in combination with other demulsification methods. However, the mechanism of ultrasonic demulsification has not yet been determined, especially in the boundary between demulsification and emulsification in the process of ultrasonic emulsion. Therefore, it is crucial to analyze the demulsification and emulsification mechanism during ultrasonic treatment to improve crude oil recovery efficiency. Summary of the invention

[0003] The purpose of this application is to provide a demulsification and emulsification analysis system and method based on ultrasound, which can realize the analysis of the demulsification and emulsification mechanism during the ultrasonic treatment process to improve the crude oil recovery efficiency.

[0004] To achieve the above objectives, this application provides the following solutions:

[0005] In a first aspect, the present application provides an ultrasonic-based demulsification and emulsification analysis system, comprising: a test chamber, an ultrasonic action module, a data processing module, and a controller;

[0006] The data processing module is arranged on one side of the test chamber; the ultrasonic action module and the data processing module are both connected to the controller;

[0007] The ultrasonic action module is used to perform ultrasonic treatment on the emulsion sample according to the set ultrasonic action data; the emulsion sample is placed in the test chamber; the set ultrasonic action data includes: sound pressure, frequency and action time;

[0008] The data processing module is used to obtain observation information; the observation information includes cavitation noise signals in the test chamber and emulsion droplet change information of the emulsion sample during the ultrasonic treatment process;

[0009] The controller is used to determine the analysis results based on the set ultrasonic action data and the observation information; the analysis results include: cavitation intensity change information in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change law of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion.

[0010] Optionally, the data processing module includes: an image acquisition module and a hydrophone;

[0011] The image acquisition module is arranged on one side outside the test chamber; the hydrophone is arranged on one side inside the test chamber; the controller is connected to the image acquisition module and the hydrophone respectively;

[0012] The image acquisition module is used to obtain image data containing emulsion droplet change information;

[0013] The hydrophone is used to collect cavitation noise signals in the test chamber to obtain cavitation intensity change information.

[0014] Optionally, the ultrasonic-based demulsification and emulsification analysis system further comprises: a sample processing module;

[0015] The sample processing module is connected to the controller;

[0016] The sample processing module is used to heat and homogenize the emulsion sample in the test chamber.

[0017] Optionally, the image acquisition module uses a high-speed camera; the frame frequency of the high-speed camera is greater than 1 MHz, and the shooting level is nanometer level.

[0018] Optionally, the hydrophone is in a probe shape or a spherical shape.

[0019] Optionally, the ultrasonic action module adopts a probe-type ultrasonic instrument or a cleaning tank-type ultrasonic instrument.

[0020] In a second aspect, the present application provides a demulsification and emulsification analysis method based on ultrasound, which is implemented by the demulsification and emulsification analysis system based on ultrasound in the first aspect; the demulsification and emulsification analysis method based on ultrasound includes:

[0021] Acquiring observation information; the observation information includes cavitation noise signals in the test chamber and emulsion droplet change information of the emulsion sample during the ultrasonic treatment process;

[0022] Based on the set ultrasonic action data, the analysis results are determined according to the observation information; the analysis results include: cavitation intensity change information in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change law of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion; the set ultrasonic action data include: sound pressure, frequency, and action time.

[0023] Optionally, based on the set ultrasound action data, determining the analysis result according to the observation information specifically includes:

[0024] Based on the set ultrasonic action data, the emulsion droplet change information of the emulsion sample is compared with the set dynamic change information of the emulsion droplets within the cycle to obtain a comparison result;

[0025] Determine the demulsification and emulsification limits according to the comparison results;

[0026] Based on the set ultrasonic action data, determining the cavitation intensity change information in the test cavity according to the cavitation noise signal in the test cavity;

[0027] The ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information according to the set ultrasonic action data.

[0028] Optionally, based on the set ultrasonic action data, determining the cavitation intensity change information in the test cavity according to the cavitation noise signal in the test cavity specifically includes:

[0029] Based on the set ultrasonic action data, a spectrum analysis is performed on the cavitation noise signal in the test cavity to obtain spectrum data;

[0030] determining an integrated area according to the spectrum data;

[0031] The cavitation intensity change information in the test cavity is determined according to the integrated area.

[0032] Optionally, the ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information according to the set ultrasonic action data, specifically including:

[0033] The ultrasonic cavitation effect theory is used to determine the cavitation information of the cavitation bubbles in the emulsion during the ultrasonic treatment process; the cavitation information includes the pulsation of the cavitation bubbles and the collapse information of the cavitation bubbles;

[0034] Based on cavitation dynamics and free radical reaction dynamics, the change rules of free radical types and contents are determined according to the set ultrasonic action data and the cavitation information;

[0035] Wherein, the expression of the cavitation dynamics is:

[0036] ;

[0037] The free radical reaction kinetics is based on the collapse of the cavitation bubble when the cavitation bubble radius is compressed to the van der Waals hard core radius R0 / 8.54, and is determined based on the adiabatic law to calculate the temperature inside the cavitation bubble when it collapses. With pressure ;

[0038] ;

[0039] in, is the radius of the cavitation bubble; for The first derivative of ; for The second derivative of is the speed of sound in the liquid; is the density of the emulsion liquid; The time of action; is the sound pressure; is the liquid temperature of the emulsion; Environmental pressure; is the adiabatic index; is the surface tension coefficient of water, is the initial radius of the cavitation bubble, is the adiabatic coefficient of the emulsion liquid; is the water vapor pressure inside the cavitation bubble.

[0040] According to the specific embodiments provided in this application, this application has the following technical effects:

[0041] The present application provides a demulsification and emulsification analysis system and method based on ultrasonic action, wherein an ultrasonic action module is used to perform ultrasonic treatment on an emulsion sample according to set ultrasonic action data; a data processing module obtains observation information; the observation information includes the cavitation noise signal in the test chamber and the emulsion droplet change information of the emulsion sample during the ultrasonic treatment process; a controller determines the analysis result according to the observation information based on the set ultrasonic action data; the analysis result includes: cavitation intensity change information in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; ultrasonic emulsion demulsification mechanism information is used to characterize the change law of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic treatment of emulsions. By analyzing the demulsification and emulsification mechanism during the ultrasonic treatment process, the dehydration rate of the emulsion can be improved, the physical properties of the emulsion can be improved, and the crude oil recovery efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0043] Figure 1 This is a structural diagram of an ultrasonic demulsification and emulsification analysis system in an embodiment of the present application;

[0044] Figure 2 This is a schematic diagram of an ultrasonic demulsification and emulsification analysis system in an embodiment of the present application;

[0045] Figure 3 Schematic diagram of halogen light without ultrasonic treatment observed by polarizing microscope;

[0046] Figure 4 Schematic diagram of fluorescence without ultrasonic treatment observed by polarizing microscope;

[0047] Figure 5 Schematic diagram of halogen light for sonication for polarized light microscopy observation;

[0048] Figure 6 Schematic diagram of ultrasound-treated fluorescence observed by polarizing microscope;

[0049] Figure 7 It is a schematic diagram of the time domain signal of the cavitation noise signal;

[0050] Figure 8 This is a schematic diagram of the frequency domain signal of the cavitation noise signal.

[0051] Figure numerals: test chamber-1, ultrasonic action module-2, data processing module-3, controller-4. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0053] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0054] In one embodiment, if Figure 1As shown, the present application provides an ultrasonic-based demulsification and emulsification analysis system, which includes: a test chamber 1, an ultrasonic action module 2, a data processing module 3 and a controller 4.

[0055] The data processing module 3 is arranged at one side of the test chamber 1 ; the ultrasonic action module 2 and the data processing module 3 are both connected to the controller 4 .

[0056] The ultrasonic action module 2 is used to perform ultrasonic treatment on the emulsion sample according to the set ultrasonic action data; the emulsion sample is placed in the test chamber 1; the set ultrasonic action data includes: sound pressure, frequency and action time.

[0057] The data processing module 3 is used to obtain observation information; the observation information includes the cavitation noise signal in the test chamber and the emulsion droplet change information of the emulsion sample during the ultrasonic treatment.

[0058] The controller 4 is used to determine the analysis results based on the set ultrasonic action data and the observed information; the analysis results include: the cavitation intensity change information in the test chamber, the demulsification and emulsification boundaries, and the ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change law of the free radical type and content determined based on the cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion.

[0059] The ultrasonic action module 2 adopts a probe type ultrasonic instrument or a cleaning tank type ultrasonic instrument.

[0060] As an optional implementation, the data processing module 3 includes: an image acquisition module and a hydrophone.

[0061] The image acquisition module is arranged on one side outside the test chamber; the hydrophone is arranged on one side inside the test chamber 1; and the controller 4 is connected to the image acquisition module and the hydrophone respectively.

[0062] The image acquisition module is used to obtain image data containing information on changes in emulsion droplets; the hydrophone is used to collect cavitation noise signals in the test chamber to obtain information on changes in cavitation intensity.

[0063] The image acquisition module uses a high-speed camera; the frame frequency of the high-speed camera is greater than 1MHz, and the shooting level is nanometer level. The shape of the hydrophone is probe-shaped or spherical.

[0064] In one embodiment, the ultrasonic-based demulsification and emulsification analysis system further includes: a sample processing module; the sample processing module is connected to the controller.

[0065] The sample processing module is used to heat and homogenize the emulsion sample in the test chamber.

[0066] In practical applications, such as Figure 2 As shown in the figure, the sample processing module is mainly used for pre-processing the sample: a certain amount of oil-water emulsion is placed in a water bath at 80°C and heated for 3 hours, and then the emulsion is homogenized using a mechanical stirrer. The temperature of the water bath can be 80°C or above, and the heating time can be more than 3 hours. In addition to the mechanical stirrer, other instruments that can achieve the same effect, such as a magnetic stirrer, can be used for homogenization.

[0067] The ultrasonic action module mainly includes ultrasonic treatment of emulsion samples, while using a high-speed camera to observe and record the changes in the emulsion droplets in real time, and using a hydrophone to measure the changes in the cavitation intensity in the test chamber in real time. Finally, the ultrasonic action conditions are changed and the observation results under different conditions are recorded.

[0068] Controller, i.e. Figure 2 The computer in the machine performs post-processing on the high-speed photography images (using the website https: / / ezgif.com / maker to upload a cycle of images to form a gif image, thereby obtaining the dynamic changes of the emulsion droplets under ultrasound), comprehensively compares the results, analyzes the boundary between demulsification and emulsification (under certain ultrasonic conditions, if the gif image shows that different emulsion droplets are coalescing, it is a demulsification phenomenon; if the droplets are separating, it is an emulsification phenomenon; the critical point of coalescence or separation is the boundary of demulsification or emulsification), and gives the mechanism.

[0069] The present application is applicable to any transparent or translucent oil-water emulsion, and is not limited to water-in-oil (W / O) or oil-in-water (O / W) emulsions.

[0070] The instruments for ultrasonic treatment of emulsions include probe-type, cleaning tank-type and other instruments that can convert electrical signals into ultrasonic signals. This application takes a probe-type ultrasonic instrument as an example.

[0071] In addition, the present application is also applicable to situations where it is necessary to distinguish the boundary between demulsification and emulsification when other methods such as chemical and electro-demulsification are used to treat emulsions.

[0072] In one embodiment, the ultrasound-based demulsification and emulsification analysis system provided in the present application further includes: a light source.

[0073] A high-speed camera is used in conjunction with a light source, wherein the frame frequency of the high-speed camera can reach over 1 MHz and can capture phenomena at the micron level.

[0074] As an optional implementation, the hydrophone may be in a probe shape, a sphere shape, etc., and the collected cavitation noise signal is processed by a certain algorithm to calculate the cavitation intensity.

[0075] In addition, demulsification and emulsification may exist simultaneously during the ultrasonic treatment of emulsions: when the demulsification effect is stronger, the emulsion dehydration rate increases; when the emulsification effect is stronger, the emulsion dehydration rate decreases.

[0076] Based on the same inventive concept, the embodiment of the present application also provides an ultrasonic demulsification and emulsification analysis method implemented by the ultrasonic demulsification and emulsification analysis system mentioned above. The implementation scheme for solving the problem provided by the method is similar to the implementation scheme recorded in the above system, so the specific limitations in one or more ultrasonic demulsification and emulsification analysis method embodiments provided below can refer to the limitations of the ultrasonic demulsification and emulsification analysis system above, and will not be repeated here.

[0077] In an exemplary embodiment, a demulsification and emulsification analysis method based on ultrasound is provided, and the demulsification and emulsification analysis method based on ultrasound is implemented using a demulsification and emulsification analysis system based on ultrasound.

[0078] Ultrasonic demulsification and emulsification analysis methods include:

[0079] Obtain observation information; the observation information includes cavitation noise signals in the test chamber and emulsion droplet change information of the emulsion sample during the ultrasonic treatment process.

[0080] Based on the set ultrasonic action data, the analysis results are determined according to the observation information; the analysis results include: information on changes in cavitation intensity in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; ultrasonic emulsion demulsification mechanism information is used to characterize the changing rules of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion; the set ultrasonic action data include: sound pressure, frequency, and action time.

[0081] In one embodiment, based on the set ultrasound action data, the analysis result is determined according to the observation information, specifically including:

[0082] Based on the set ultrasonic action data, the emulsion droplet change information of the emulsion sample is compared with the set dynamic change information of the emulsion droplets within the cycle to obtain a comparison result; and the demulsification and emulsification boundaries are determined according to the comparison result.

[0083] Based on the set ultrasonic action data, the cavitation intensity change information in the test chamber is determined according to the cavitation noise signal in the test chamber; the ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information according to the set ultrasonic action data.

[0084] Among them, based on the set ultrasonic action data, the cavitation intensity change information in the test cavity is determined according to the cavitation noise signal in the test cavity, specifically including:

[0085] Based on the set ultrasonic action data, the cavitation noise signal in the test cavity is subjected to spectrum analysis to obtain spectrum data; the integral area is determined according to the spectrum data; and the cavitation intensity change information in the test cavity is determined according to the integral area.

[0086] As an optional implementation method, the ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information according to the set ultrasonic action data, specifically including:

[0087] The ultrasonic cavitation effect theory is used to determine the cavitation information of the cavitation bubbles in the emulsion during the ultrasonic treatment process; the cavitation information includes the pulsation of the cavitation bubbles and the collapse information of the cavitation bubbles.

[0088] Based on cavitation dynamics and free radical reaction dynamics, the changing rules of free radical types and contents are determined according to the set ultrasonic action data and cavitation information.

[0089] The expression of cavitation dynamics is:

[0090] .

[0091] The free radical reaction kinetics is based on the collapse of the cavitation bubble when the cavitation bubble radius is compressed to the van der Waals hard core radius R0 / 8.54, and is determined based on the adiabatic law to calculate the temperature inside the cavitation bubble when it collapses. With pressure .

[0092] .

[0093] in, is the radius of the cavitation bubble; for The first derivative of ; for The second derivative of is the speed of sound in the liquid; is the density of the emulsion liquid; The time of action; is the sound pressure; is the liquid temperature of the emulsion; Environmental pressure; is the adiabatic index; is the surface tension coefficient of water, is the initial radius of the cavitation bubble, is the adiabatic coefficient of the emulsion liquid; is the water vapor pressure inside the cavitation bubble.

[0094] Since many oil-water emulsions are opaque, it is sometimes difficult to use a high-speed camera to observe and record the changes in the emulsion droplets during the ultrasonic action in real time. Therefore, the demulsification and emulsification boundaries of opaque emulsions can also be distinguished based on the polarization characteristics of light. Specifically, first take an appropriate amount of samples under different ultrasonic treatment conditions on a glass slide, then cover it with a cover glass and gently press the four corners of the glass slide, then place it on the stage of a polarizing microscope, adjust the appropriate magnification and make coarse and fine adjustments to make the image clearly visible, then convert the light source of the polarizing microscope from halogen light to fluorescence, observe and record the image again, and finally comprehensively compare the results to give a conclusion.

[0095] When the light source is halogen light, the image uses the color of the halogen light as the background, black represents the oil phase, and light represents the water phase; when the light source is fluorescent light, the image uses the color of the fluorescent light as the background, black represents the water phase, and light represents the oil phase. Figure 3 and Figure 4 All represent the observations of the original oil sample without ultrasonic treatment. Figure 3 and Figure 4 The droplets in the figure are of different sizes and the emulsification phenomenon is serious; Figure 5 and Figure 6 This shows the microscopic image of the oil sample after ultrasonic treatment. Figure 5 and Figure 6 The droplets with medium size were significantly reduced, indicating that demulsification occurred during the ultrasonic treatment. Figure 5 The part circled by the white frame in the middle shows that the droplets may have coalesced or separated, which means the existence of demulsification or emulsification. Based on this and combined with the actual ultrasonic treatment conditions, the boundary between demulsification and emulsification in the process of ultrasonic treatment of opaque emulsions can be obtained.

[0096] Ultrasonic cavitation effect is an important factor affecting emulsion demulsification or emulsification. Therefore, studying the effect of changes in cavitation intensity on emulsions is crucial to revealing the mechanism of demulsification or emulsification. This example proposes a method for measuring the cavitation intensity during the action of ultrasound on emulsions by applying the cavitation noise method. First, the signal during the ultrasound action is measured by a hydrophone. Figure 7 Then the signal is analyzed by spectrum analysis. Figure 8 Then calculate the integral area of ​​the curve and the horizontal axis in the spectrum diagram, and finally compare the integral area under different conditions (the larger the area, the stronger the cavitation, and vice versa), and you can get the change of cavitation intensity.

[0097] The ultrasonic cavitation effect is caused by the collapse of cavitation bubbles, so studying the pulsation of bubbles and the types and contents of free radicals formed during the collapse of cavitation bubbles is equally important for revealing the mechanism of demulsification or emulsification. Therefore, this embodiment provides a method for calculating the pulsation of cavitation bubbles and the types and contents of free radicals formed during the ultrasonic emulsion process.

[0098] When the compressibility of the liquid is taken into account, the vibration of the bubble can be described by the Keller-Miksis equation:

[0099] .

[0100] in, represents the bubble radius, and Respectively The first and second order derivatives of represents the speed of sound in the liquid, is the density of the emulsion liquid, Indicates the time of action, It represents the sound pressure, and its calculation formula is:

[0101] .

[0102] in, is the adiabatic coefficient of the emulsion liquid, represents the static pressure in water, represents the water vapor pressure in the cavitation bubble, represents the surface tension coefficient of water, The initial radius of the cavitation bubble, represents the viscosity coefficient of water. , , , Represent the gas pressure inside the cavitation bubble, ambient pressure, surface tension, and viscous stress respectively. In ultrasonic cavitation, the sound pressure Often abbreviated as:

[0103] .

[0104] in, represents the sound pressure amplitude, and are frequency and action time respectively.

[0105] First, based on Keller-Miksis, the initial conditions are set as:

[0106] .

[0107] Meanwhile, the heat and mass transfer on the wall and multi-bubble interaction during the growth of cavitation bubbles are ignored. Based on the fourth-order Rung-Kutta method, the motion characteristics of cavitation bubbles in emulsions with different parameters are calculated by MATLAB.

[0108] Then, the collapse of the cavitation bubble is taken as the standard when the cavitation bubble radius is compressed to the van der Waals hard core radius R0 / 8.54, and based on the adiabatic law, the temperature inside the cavitation bubble is calculated when the cavitation bubble collapses. With pressure :

[0109] .

[0110] in, is the liquid temperature of the emulsion, Indicates environmental pressure, Stands for adiabatic index.

[0111] Based on the above results, the basic types of free radical reactions in the process of ultrasonic emulsion were estimated, and the reaction rates and cumulative contents of different types of free radicals during cavitation collapse were calculated based on the initial amount of each substance and the chemical kinetic equation; finally, the changing rules of the types and contents of free radicals under different conditions were obtained. The above methods can reveal the mechanism of ultrasonic emulsion demulsification from the perspective of cavitation dynamics and free radical reaction kinetics.

[0112] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0113] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the system, method and core ideas of this application; at the same time, for those skilled in the art, according to the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.

Claims

1. A demulsification and emulsification analysis system based on ultrasound, characterized in that: The ultrasonic demulsification and emulsification analysis system comprises: a test chamber, an ultrasonic action module, a data processing module and a controller; The data processing module is arranged on one side of the test chamber; the ultrasonic action module and the data processing module are both connected to the controller; The ultrasonic action module is used to perform ultrasonic treatment on the emulsion sample according to the set ultrasonic action data; the emulsion sample is placed in the test chamber; the set ultrasonic action data includes: sound pressure, frequency and action time; The data processing module is used to obtain observation information; the observation information includes cavitation noise signals in the test chamber and emulsion droplet change information of the emulsion sample during the ultrasonic treatment process; The controller is used to determine the analysis results based on the set ultrasonic action data and the observation information; the analysis results include: cavitation intensity change information in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change rules of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion; The data processing module includes: an image acquisition module and a hydrophone; The image acquisition module is arranged on one side outside the test chamber; the hydrophone is arranged on one side inside the test chamber; the controller is connected to the image acquisition module and the hydrophone respectively; The image acquisition module is used to obtain image data containing emulsion droplet change information; The hydrophone is used to collect cavitation noise signals in the test chamber to obtain cavitation intensity change information.

2. The ultrasonic demulsification and emulsification analysis system according to claim 1, characterized in that: The ultrasonic-based demulsification and emulsification analysis system further includes: a sample processing module; The sample processing module is connected to the controller; The sample processing module is used to heat and homogenize the emulsion sample in the test chamber.

3. The ultrasonic demulsification and emulsification analysis system according to claim 1, characterized in that: The image acquisition module adopts a high-speed camera; the frame frequency of the high-speed camera is greater than 1 MHz, and the shooting level is nanometer level.

4. The ultrasonic demulsification and emulsification analysis system according to claim 1, characterized in that: The hydrophone is in the shape of a probe or a sphere.

5. The ultrasonic demulsification and emulsification analysis system according to claim 1, characterized in that: The ultrasonic action module adopts a probe type ultrasonic instrument or a cleaning tank type ultrasonic instrument.

6. A method for demulsification and emulsification analysis based on ultrasound, characterized in that: The demulsification and emulsification analysis method based on ultrasound is implemented by the demulsification and emulsification analysis system based on ultrasound according to any one of claims 1 to 5; the demulsification and emulsification analysis method based on ultrasound includes: Acquiring observation information; the observation information includes cavitation noise signals in the test chamber and emulsion droplet change information of the emulsion sample during the ultrasonic treatment process; Based on the set ultrasonic action data, the analysis results are determined according to the observation information; the analysis results include: cavitation intensity change information in the test chamber, demulsification and emulsification boundaries, and ultrasonic emulsion demulsification mechanism information; the ultrasonic emulsion demulsification mechanism information is used to characterize the change law of free radical types and contents determined based on cavitation dynamics and free radical reaction dynamics during the ultrasonic action on the emulsion; the set ultrasonic action data include: sound pressure, frequency, and action time.

7. The method for demulsification and emulsification analysis based on ultrasound according to claim 6, characterized in that: Based on the set ultrasonic action data, the analysis result is determined according to the observation information, specifically including: Based on the set ultrasonic action data, the emulsion droplet change information of the emulsion sample is compared with the set dynamic change information of the emulsion droplets within the cycle to obtain a comparison result; Determine the demulsification and emulsification limits according to the comparison results; Based on the set ultrasonic action data, determining the cavitation intensity change information in the test cavity according to the cavitation noise signal in the test cavity; The ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information according to the set ultrasonic action data.

8. The method for demulsification and emulsification analysis based on ultrasound according to claim 7, characterized in that: Based on the set ultrasonic action data, determining the cavitation intensity change information in the test cavity according to the cavitation noise signal in the test cavity specifically includes: Based on the set ultrasonic action data, a spectrum analysis is performed on the cavitation noise signal in the test cavity to obtain spectrum data; determining an integrated area according to the spectrum data; The cavitation intensity change information in the test cavity is determined according to the integrated area.

9. The method for demulsification and emulsification analysis based on ultrasound according to claim 7, characterized in that: The ultrasonic cavitation effect theory is used to determine the ultrasonic emulsion demulsification mechanism information based on the set ultrasonic action data, including: The ultrasonic cavitation effect theory is used to determine the cavitation information of the cavitation bubbles in the emulsion during the ultrasonic treatment process; the cavitation information includes the pulsation of the cavitation bubbles and the collapse information of the cavitation bubbles; Based on cavitation dynamics and free radical reaction dynamics, the change rules of free radical types and contents are determined according to the set ultrasonic action data and the cavitation information; Wherein, the expression of the cavitation dynamics is: ； The free radical reaction kinetics is based on the collapse of the cavitation bubble when the cavitation bubble radius is compressed to the van der Waals hard core radius R0 / 8.54, and is determined based on the adiabatic law to calculate the temperature inside the cavitation bubble when it collapses. With pressure ; ； in, is the radius of the cavitation bubble; for The first derivative of ; for The second derivative of is the speed of sound in the liquid; is the density of the emulsion liquid; The time of action; is the sound pressure; is the liquid temperature of the emulsion; Environmental pressure; is the adiabatic index; is the surface tension coefficient of water, is the initial radius of the cavitation bubble, is the adiabatic coefficient of the emulsion liquid; is the water vapor pressure inside the cavitation bubble.

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