CN114034763B - Magnetic control visual gas-liquid mixture content monitoring system and method - Google Patents
Magnetic control visual gas-liquid mixture content monitoring system and method Download PDFInfo
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Abstract
The invention discloses a magnetic control visual gas-liquid mixture content monitoring system and a method, wherein the monitoring system comprises a shell, a magnetic elastic porous membrane, a substance storage chamber and a visual monitoring device, wherein the magnetic elastic porous membrane is fully coated by composite fluid, the substance storage chamber contains a gas-liquid mixture to be detected, the visual monitoring device is arranged above the shell, and the visual monitoring device comprises a visual proportion indicating pipe; the monitoring method comprises the following steps: preparing a magneto-elastic porous membrane, coating a composite fluid, pre-storing a substance to be detected, adding a visual monitoring device, and monitoring the content of a gas-liquid mixture. The invention remotely evaluates and monitors the content of the gas-liquid mixture through magnetic field stimulation, and converts the magnetic force into mechanical force without an external power supply, so that the invention has portability; meanwhile, visual content observation can be performed, so that the content information of the gas-liquid mixture can be obtained by directly observing the change of the visual proportion indicating pipe; the invention has the advantages of wide material preparation sources, simple device, low cost and high economic benefit, and is suitable for industrialized mass production.
Description
Technical Field
The invention belongs to the technical field of gas-liquid content monitoring, and particularly relates to a magnetic control visual gas-liquid mixture content monitoring system and method.
Background
In the process of exploitation and transportation of petroleum, chemical industry, natural gas and other energy sources, phenomena such as leakage and the like can be avoided inevitably, and oil gas leakage can bring a plurality of damages, so that real-time monitoring is needed to ensure the reliability and the safety of the oil gas leakage. The existing gas-liquid content monitoring instrument, such as a gas sensor, a liquid sensor, a gas chromatograph, a liquid chromatograph, an oil gas recovery intelligent monitor and the like, has the defects of complicated monitoring, low efficiency, high cost and the like. Meanwhile, for an oil-gas mixed energy system, oil-gas separation is usually carried out firstly, and the content of gas and liquid after the oil-gas separation is measured respectively; the gas-liquid monitoring instrument can also be used for direct measurement, but faults are easy to occur in the use process, and the maintenance is inconvenient. Therefore, in the energy fields of exploitation, storage, deep processing and the like of petroleum, chemical industry and natural gas, the development of an intelligent, portable and visual gas-liquid mixture content monitoring system aiming at a gas-liquid mixture system is increasingly attracting attention of researchers.
CN201920984026.2 discloses a gas-liquid monitor for monitoring oil gas recovery parameters, which comprises a shell, wherein a liquid cavity and a gas cavity are arranged in the shell, the liquid cavity is positioned at the lower part of the shell, two sides of the liquid cavity are respectively connected with an oil inlet pipe and an oil outlet pipe, and a liquid flow sensor converter is arranged on the outer wall of the liquid cavity; the gas cavity is positioned at the upper part of the shell, the two ends of the gas cavity are respectively connected with an air inlet and an air outlet pipe, and the inner wall of the gas cavity is provided with a gas flow sensing converter. According to the invention, the recovery effect of the oil gas recovery system is known by monitoring the oil gas volume and the liquid gasoline volume of the oil gun of the gas station during operation and obtaining the gas-liquid ratio. Compared with the prior art, the invention has the advantages that the recovery effect monitoring performance of the oil gas recovery system is improved to a certain extent, but the invention can not directly and effectively monitor the gas-liquid mixture system, the monitoring efficiency is to be improved, and the oil gas recovery system has no remote operation and intelligent regulation and control capability.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a magnetic control visual gas-liquid mixture content monitoring system and method.
In order to achieve the above object, one of the technical schemes of the present invention is as follows:
a magnetic control visual gas-liquid mixture content monitoring system comprises a shell, a magneto-elastic porous membrane, a substance storage chamber and a visual monitoring device; the substance storage chamber comprises a gas-liquid mixture to be detected; the magnetoelastic porous film is fully coated by the composite fluid and then is used as a sealing cover; the visual monitoring device is arranged above the shell and comprises a visual proportion indicating pipe.
Further, the magnetoelastic porous film is prepared by mixing a magnetic component comprising magnetic particles and a matrix;
further, the matrix of the magnetoelastic porous film comprises natural rubber, silicone rubber, polyurethane rubber, polybutadiene rubber, isobutylene-isoprene rubber, bromobutyl rubber, polydimethylsiloxane (PDMS), methyl vinyl silicone rubber, chloroprene rubber, epoxidized natural rubber and other elastomers.
Further, the magnetic component comprises carbonyl iron, fe 3 O 4 、Fe 2 O 3 、CoFe 2 O 4 、FeCo 3 Magnetic particles such as Fe, ni, ndFeB particles, or magnetic mixed fluid such as magneto-rheological fluid (MRF) and magnetic fluid.
Further, the doping amount of the magnetic component, and the shape and particle size of the magnetic particles therein, may also be adjusted according to the process conditions.
Further, the thickness and size dimensions of the magnetoelastic porous film may be prepared according to process requirements.
Further, the size and number of the pore sizes of the magnetoelastic porous membrane may be prepared according to process requirements.
Further, the amount of the composite fluid coated by the magnetoelastic porous film may be added according to process requirements.
Further, the composite fluid comprises oil-based liquids such as simethicone, liquid paraffin, krytox103, ionic liquids, water-based liquids, liquid metals, responsive fluids, and the like.
Further, after the magnetic components and contents, the membrane pore diameter, the thickness and the type and the amount of the composite fluid of the magnetoelastic membrane are selected, the monitoring range of the gas-liquid mixture content is related to the shape of the inner chamber of the shell, the size of the inner chamber of the shell and the strength of the applied magnetic field, and can be customized according to the requirements.
Further, the material of the shell comprises non-magnetic rigid materials such as glass, high molecular polymer, non-magnetic metal material, ceramic and the like.
Further, parameters such as the shape, the size, the depth and the like of the cavity in the shell can be adjusted according to the process requirements of the size of the magnetoelastic porous membrane and the monitoring range of the content of the gas-liquid mixture.
Further, the size and shape of the visual proportion indicating tube in the monitoring device can be adjusted according to actual requirements.
Further, the visual proportion indicating tube is made of transparent or semitransparent materials such as silica gel, glass, plastic and the like.
In order to achieve the above object, a second technical scheme of the present invention is as follows:
a magnetic control visual gas-liquid mixture content monitoring method specifically comprises the following steps:
(1) Preparing a magneto-elastic porous membrane: uniformly stirring and mixing a matrix and magnetic components in proportion, curing to prepare a magneto-elastic membrane by adopting a spin coating method, a spraying method, a magnetic field auxiliary forming method and the like, and preparing a magneto-elastic porous membrane by adopting a laser drilling method, a template method, a Focused Ion Beam (FIB) drilling method and the like, or directly preparing the magneto-elastic porous membrane by adopting a 3D printing method, a pore-forming agent adding method and the like;
(2) Coating a composite fluid: coating the composite fluid on a perforated area on the surface of the magnetoelastic porous film, and completely soaking;
(3) Pre-storing a substance to be detected: placing the gas-liquid mixture in a substance storage chamber;
(4) Visual monitoring device is added: placing a visual monitoring device containing a visual proportion indicating pipe on a shell;
(5) Monitoring the content of the gas-liquid mixture: and a magnetic field with certain intensity is applied to the center of the magnetoelastic film, the gas-liquid mixture is released through the magnetoelastic porous film, and liquid therein rises to reach a visual proportion indicating tube in the visual monitoring device, so that the liquid content in the mixture can be directly read.
Further, the magnetic field is derived from an electromagnetic field, a permanent magnet, or the like.
Further, the magnetic field strength can be 25-800 mT, and the magnetic force is converted into mechanical force, so that the release of the gas-liquid mixture is controlled by the self-driving of the magnetoelastic porous membrane under the stimulation of the magnetic field.
Further, the liquid rise is a behavior generated by capillary action of the liquid in the visual scale indicator tube or by negative pressure provided by the external environment.
When the gas-liquid mixture to be detected is filled in a substance storage cavity in the shell, the magnetic elastic porous membrane prepared by mixing the magnetic component containing magnetic particles and the matrix is fully coated by the composite fluid and then is used as a sealing cover, so that the gas-liquid mixture is stably stored in the substance storage cavity without leakage and is released only under the action of a magnetic field; the gas-liquid mixture is affected by gravity and is immediately layered up and down when filling the shell material storage chamber; the proportion of the gas-liquid mixture is different, the layering heights in the material storage cavity are different, when a specific magnetic field is applied, the magnetic force is converted into mechanical force, the deformation of the magneto-elastic porous membrane caused by the applied magnetic field can form pressure in the shell cavity, so that the triggering gas and the liquid are released through the magneto-elastic porous membrane, and the liquid in the gas-liquid mixture rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention remotely evaluates and monitors the content of the gas-liquid mixture through magnetic field stimulation, and converts magnetic force into mechanical force without an external power supply, which can bring the invention portability.
2. The visual content observation can directly observe the change of the visual proportion indicating pipe to obtain the content information of the gas-liquid mixture.
3. The invention has simple operation, and the content of the gas-liquid mixture to be detected can be directly read at the end of the visual proportion indicator pipe after a certain magnetic field is applied after the gas-liquid mixture to be detected fills the cavity of the shell.
4. The invention has the advantages of wide material preparation sources, simple device, low cost and high economic benefit, is suitable for industrialized mass production, and opens up a new world for designing a simplified monitoring device.
5. The invention enriches the existing gas content monitoring technology and widens the application of the technology in the energy fields of exploitation, storage, deep processing and the like of petroleum, chemical industry and natural gas.
Drawings
Figure 1 is a longitudinal sectional view of the structure of the gas-liquid mixture content monitoring device,
in the figure: 1-shell, 2-magnetic elastic porous membrane, 3-material storage chamber, 4-visual monitoring device.
Figure 2 is a schematic diagram of the gas-liquid mixture content monitoring principle,
in the figure: 5-composite fluid, 6-magnetic elastic porous membrane, 7-gas in gas-liquid mixture and 8-liquid in gas-liquid mixture.
FIG. 3 is a Scanning Electron Microscope (SEM) image of the surface morphology of a magnetoelastic porous film according to example 1 of the present invention.
FIG. 4 is an image of a magnetoelastic porous film having an average diameter of 120 μm and a 5X 5 array of distributed pores in example 1.
Fig. 5 is an apparatus for visual content monitoring in a gas-liquid mixture.
FIG. 6 is a graph of liquid volume content versus released liquid mass for the same magnetic field strength.
Detailed Description
The invention is further explained below with reference to the drawings and specific embodiments.
Referring to fig. 1, a magnetic control visual gas-liquid mixture content monitoring system comprises a shell 1, a magneto-elastic porous membrane 2, a substance storage chamber 3 and a visual monitoring device 4; the material storage chamber 3 is arranged in the shell 1, and the magnetoelastic porous membrane 2 is fully infiltrated by the composite fluid and then seals the gas-liquid mixture to be tested in the material storage chamber 3; the visual monitoring device 4 is arranged above the shell 1, and the visual monitoring device 4 comprises a visual proportion indicating pipe.
When the gas-liquid mixture to be detected is filled in the substance storage chamber 3 in the shell 1, the magnetoelastic porous film 2 prepared by mixing the magnetic component containing the magnetic particles and the matrix is fully coated by the composite liquid and then is used as a sealing cover, so that the gas-liquid mixture is stably stored in the substance storage chamber 3 without leakage and is released only under the action of a magnetic field; the gas-liquid mixture is immediately layered up and down when the housing material storage chamber 3 is filled by gravity; the proportion of the gas-liquid mixture is different in the layering height in the material storage chamber 3, when a specific magnetic field is applied, the magnetic force is converted into mechanical force, the deformation of the magnetoelastic porous membrane 2 caused by the applied magnetic field can form pressure in the material storage chamber 3 of the shell, so that the triggering gas and the liquid are released through the magnetoelastic porous membrane 2, and the liquid therein rises to reach the visualization proportion indicating tube of the visualization monitoring device 4, so that the liquid content in the mixture can be directly read.
The preparation method of the magnetic control visual gas-liquid mixture content monitoring system specifically comprises the following steps:
(1) Preparing a magneto-elastic porous membrane: uniformly stirring and mixing a matrix and magnetic components in proportion, curing to prepare a magneto-elastic membrane by adopting a spin coating method, a spraying method, a magnetic field auxiliary forming method and the like, and preparing a magneto-elastic porous membrane by adopting a laser drilling method, a template method, a Focused Ion Beam (FIB) drilling method and the like, or directly preparing the magneto-elastic porous membrane by adopting a 3D printing method, a pore-forming agent adding method and the like;
(2) Coating a composite fluid: coating the composite fluid on a perforated area on the surface of the magnetoelastic porous film, and completely soaking;
(3) Storing the object to be detected: placing the gas-liquid mixture in a substance storage chamber;
(4) Visual monitoring device is added: placing a visual monitoring device containing a visual proportion indicating pipe on a shell;
(5) Monitoring the content of the gas-liquid mixture: and a magnetic field with certain intensity is applied to the center of the magnetoelastic film, the gas-liquid mixture is released through the magnetoelastic porous film, and liquid therein rises to reach a visual proportion indicating tube in the visual monitoring device, so that the liquid content in the mixture can be directly read.
The MRF used in the following examples was MF-112, density 2.5g/cm, manufactured by Henan lake sub-trade Co., ltd 3 The method comprises the steps of carrying out a first treatment on the surface of the The PDMS prepolymer and PDMS curing agent are SYLGARD184 manufactured by Dow Corning Co., USA; fe (Fe) 3 O 4 The nanoparticle is produced by Michelin corporation and has a particle size of 20nm.
Example 1
In the first step, MRF is selected to be mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass percent of 20wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. 2g of the MRF/PDMS mixed solution was respectively removed and placed in a dry and clean glass sheet, and then the glass sheet was placed in a spin coater, the spin coating speed was set at 500rpm, and the spin coating time was set at 10s. After spin coating, the magnetic particles are placed in a glue drier for heating and curing, the surface morphology of the cured magnetic elastic film is shown in figure 3, and the magnetic particles can be uniformly distributed in the magnetic elastic film.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 10% and the cutting speed was 3mm/s. The cut magnetoelastic film had dimensions of 50mm by 50mm and the magnetoelastic porous film had an average pore size of 120 μm and a 5×5 array of pores, see fig. 4.
Thirdly, a liquid-transfering gun is used to take 70 mu L of dimethyl silicone oil to coat on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 90% into a material storage cavity, wherein the diameter of the cavity is 15mm, and the depth of the cavity is 3mm.
And fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 90%.
Example 2
Firstly, MRF is selected to be mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass fraction of 30wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. 2g of the MRF/PDMS mixed solution was respectively removed and placed in a dry and clean glass sheet, and then the glass sheet was placed in a spin coater, the spin coating speed was set at 500rpm, and the spin coating time was set at 10s. And (5) after spin coating is finished, placing the substrate into a glue baking machine for heating and curing.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 15% and the cutting speed at 3mm/s. The cut magnetoelastic film had dimensions of 50mm by 50mm and the magnetoelastic porous film had an average pore size of 50 μm and a 5 by 5 array of pores.
Thirdly, 50 mu L of dimethyl silicone oil is selected by a liquid-transferring gun to be coated on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 90% into the material storage cavity.
And fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 90%.
Example 3
In the first step, fe is selected 3 O 4 The nano particles are mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass fraction of 20wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. Respectively remove 2gFe 3 O 4 The PDMS mixed solution was placed in a dry clean glass sheet, and then the glass sheet was placed in a spin coater, set at a spin speed of 500rpm, and spin time of 10s. And (5) after spin coating is finished, placing the substrate into a glue baking machine for heating and curing.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 10% and the cutting speed was 3mm/s. The cut magnetoelastic film had dimensions of 50mm by 50mm and the magnetoelastic porous film had an average pore size of 70 μm and a 5 by 5 array of pores.
Thirdly, a pipette is used for taking 60 mu L of dimethyl silicone oil to coat on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 90% into the material storage cavity.
And fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 90%.
Example 4
In the first step, MRF is selected to be mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass percent of 20wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. 2g of the MRF/PDMS mixed solution was respectively removed and placed in a dry and clean glass sheet, and then the glass sheet was placed in a spin coater, the spin coating speed was set at 500rpm, and the spin coating time was set at 10s. And (5) after spin coating is finished, placing the substrate into a glue baking machine for heating and curing.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 8% and the cutting speed was 2mm/s. The cut magnetoelastic film had dimensions of 50mm by 50mm and the magnetoelastic porous film had an average pore size of 70 μm and a 3 by 3 array of pores.
Thirdly, a pipette is used for taking 60 mu L of dimethyl silicone oil to coat on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 90% into the material storage cavity.
And fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 90%.
Example 5
In the first step, MRF is selected to be mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass percent of 20wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. 2g of the MRF/PDMS mixed solution was respectively removed and placed in a dry and clean glass sheet, and then the glass sheet was placed in a spin coater, the spin coating speed was set at 500rpm, and the spin coating time was set at 10s. And (5) after spin coating is finished, placing the substrate into a glue baking machine for heating and curing.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 10% and the cutting speed was 3mm/s. The size of the cut magnetoelastic film was 50mm by 50mm, and the average pore size of the magnetoelastic porous film was 100 μm and 5×5 array of pores.
Thirdly, a pipette is used for taking 60 mu L of dimethyl silicone oil to coat on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 70% into the material storage cavity.
Fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 70%, and the magnetic proportion indicating pipe monitoring device is shown in figure 5.
Example 6
In the first step, fe is selected 3 O 4 The nano particles are mixed with 4g of PDMS prepolymer and 0.4g of PDMS curing agent according to the mass fraction of 20wt%, and the mixture is placed in a vacuum drying oven for degassing for 30min after being uniformly stirred. Respectively remove 2gFe 3 O 4 The PDMS mixed solution was placed in a dry clean glass sheet, and then the glass sheet was placed in a spin coater, set at a spin speed of 500rpm, and spin time of 10s. And (5) after spin coating is finished, placing the substrate into a glue baking machine for heating and curing.
And secondly, placing the cured film in a working area of a laser cutting machine, and adjusting the distance between the laser and the film. The laser power was set at 10% and the cutting speed was 3mm/s. The size of the cut magnetoelastic film was 50mm by 50mm, and the average pore size of the magnetoelastic porous film was 150 μm and 5×5 array of pores.
Thirdly, 60 mu L of Krytox103 is selected by a liquid-transferring gun to be coated on the area with holes on the surface of the membrane, and the membrane is completely soaked.
And fourthly, placing a gas-liquid mixture with the liquid volume fraction of 70% into the material storage cavity.
And fifthly, a visual proportion indicating pipe monitoring device with the inner diameter of 1.5mm is selected and placed on the shell, a 220mT magnetic field is applied to the center position of the magneto-elastic porous membrane, and liquid in the magnetic field rises to reach the visual proportion indicating pipe, so that the liquid content in the mixture can be directly read out to be 70%.
The above embodiments are merely preferred embodiments of the present invention to illustrate the principles and the effects of the present invention, and are not intended to limit the invention. It should be noted that modifications to the above-described embodiments may be made by one skilled in the art without departing from the spirit and scope of the invention, and such modifications should also be considered as being within the scope of the invention.
Claims (9)
1. A magnetic control visual gas-liquid mixture content monitoring system is characterized by comprising a shell, a magneto-elastic porous membrane, a substance storage chamber and a visual monitoring device; the magnetoelastic porous film is fully coated with a composite fluid; the material storage chamber comprises a gas-liquid mixture to be tested, a specific magnetic field is applied to convert magnetic force into mechanical force, and the magnetoelastic porous membrane is deformed due to the applied magnetic field to form pressure in the shell chamber, so that gas and liquid are triggered to be released through the magnetoelastic porous membrane; the visual monitoring device is arranged above the shell and comprises a visual proportion indicating pipe; the magnetic elastic porous membrane is formed by mixing magnetic components and a matrix, preparing and heating and solidifying, and the matrix of the magnetic elastic porous membrane is an elastomer.
2. The magnetic control visual gas-liquid mixture content monitoring system according to claim 1, wherein the magnetic elastic porous membrane is prepared by mixing magnetic components and a matrix, and the mass fraction of the magnetic components is 5-80 wt%.
3. The system for monitoring the content of the gas-liquid mixture in the magnetic control visualization manner according to claim 2, wherein the magnetic component is magnetic particles or magnetic mixed fluid.
4. The system of claim 1, wherein the magnetic components and contents, the pore size, the thickness of the membrane, and the type and amount of the composite fluid of the magnetoelastic porous membrane are selected, and the monitoring range of the gas-liquid mixture content is related to the shape of the inner chamber of the housing, the size of the inner chamber of the housing, and the strength of the applied magnetic field.
5. The system for monitoring the content of the gas-liquid mixture in the magnetic control visualization manner according to claim 1, wherein the shell is made of a non-magnetic rigid material.
6. A method for monitoring the content of a gas-liquid mixture using the monitoring system according to any one of claims 1 to 5, comprising the steps of:
(1) Preparing a magneto-elastic porous membrane: uniformly mixing a matrix and magnetic components in proportion, and preparing the magnetoelastic porous membrane by adopting a one-step method or a two-step method;
(2) Coating a composite fluid: coating the composite fluid on the perforated area of the surface of the magnetoelastic porous film;
(3) Pre-storing a substance to be detected: placing the gas-liquid mixture in a substance storage chamber;
(4) Visual monitoring device is added: placing a visual monitoring device containing a visual proportion indicating pipe on a shell;
(5) Monitoring the content of the gas-liquid mixture: and applying a magnetic field at the center of the magneto-elastic porous membrane, converting the magnetic force into mechanical force, and releasing the gas-liquid mixture through the magneto-elastic porous membrane under the stimulation of the magnetic field, wherein the liquid rises to reach a visual proportion indicating pipe in the visual monitoring device, so that the liquid content in the mixture can be directly read.
7. The method for monitoring the content of the gas-liquid mixture in the magnetic control visualization manner according to claim 6, wherein the one-step method in the step (1) is to directly prepare the magnetoelastic porous film by adopting a preparation method including a 3D printing method or a pore-forming agent adding method, and the two-step method is to prepare the magnetoelastic porous film by adopting a method including a spin coating method, a spraying method and a magnetic field assisted forming method, and then prepare the magnetoelastic porous film by adopting a method including a laser drilling method, a template method and a focused ion beam drilling method.
8. The method for monitoring the content of the gas-liquid mixture by magnetic control visualization according to claim 6, wherein the source of the magnetic field in the step (5) is an electromagnetic field or a permanent magnet, and the strength of the magnetic field is 25-800 mT.
9. The method for monitoring the content of the gas-liquid mixture according to claim 6, wherein the liquid rising in the step (5) is caused by capillary force action of the liquid in the visualization proportional indicator tube or negative pressure provided by the external environment.
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