Induced magnetic field carrier integration device and method for changing physicochemical properties of liquid sample

Abstract

The invention discloses an induced magnetic field carrier integration device and a method for changing physicochemical properties of a liquid sample. The induced magnetic field carrier integration device comprises a magnetic coupling integration assembly which comprises N magnetic ring inductance coils, the N magnetic ring inductance coils are combined into one or more magnetic ring inductance coil groups, and M magnetic ring inductance coils included in the magnetic ring inductance coil groups are sequentially arranged along a selected track, windows of M magnetic ring inductance coils included in the magnetic ring inductance coil group are communicated in sequence to form a hollow structure; one part of the sample placing pipe is arranged in the hollow structure of the magnetic coupling integrated assembly, the medium-frequency induced magnetic field can induce to generate an induced electric / magnetic field in a liquid sample in the sample placing pipe, and M is greater than or equal to 2 and less than or equal to N. Through the special design of the structure integration of the magnetic coupling integrated assembly, efficient magnetoelectric coupling treatment on the sample is obtained, the sample has an induced magnetic field and an induced electric field at the same time, the active power is improved, the heat dissipation power is reduced, and in other words, the eddy current loss is remarkably reduced.

Description

Technical Field

[0001] This invention relates in particular to an integrated device for inducing the generation of induced electric / magnetic fields in liquid samples and a method for altering the physicochemical properties of liquid samples, belonging to the field of engineering heat treatment technology. Background Technology

[0002] Most existing induced electric / magnetic field generators employ conventional single-core magnetic circuit structures. When operating under mid-frequency excitation, these devices typically operate at high frequencies and near-saturation magnetic flux density to induce self-heating in the liquid sample. At this point, significant eddy current and iron losses easily occur within the soft magnet, resulting in additional energy loss and extremely low overall system energy efficiency. Furthermore, because traditional magnetic circuit structures (such as those disclosed in CN 119400542 A) generally use single-core or distributed core arrangements, there is a large non-uniform magnetic field distribution in the surrounding space. This increases magnetic leakage during energy coupling, further exacerbating energy loss. Due to the high losses, the magnet generates significant heat in saturation, and existing cooling methods are inefficient, easily leading to overload operation. This not only degrades the magnetic circuit's performance and conversion efficiency but may also shorten the lifespan of the magnetic materials, rendering the components or assemblies unsuitable for large-scale application.

[0003] Therefore, how to ensure the effective output of mid-frequency magnetic field energy in liquid samples, while enabling the samples to generate induced electric / magnetic fields to achieve rapid direct heating, and at the same time reduce magnetic loss and eddy current heating loss, has become an urgent technical problem to be solved in this field. Hence, it is urgent to create new magnetic energy conversion structures. Summary of the Invention

[0004] The main objective of this invention is to provide an integrated device for inductive magnetic field carriers and a method for altering the physicochemical properties of liquid samples, thereby overcoming the shortcomings of the prior art.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this invention includes: A first aspect of the present invention provides an integrated device for inducing an induced electric / magnetic field in a liquid sample, comprising: A magnetically coupled integrated component includes N magnetic ring inductors, which are combined into one or more magnetic ring inductor groups. M magnetic ring inductors within each group are arranged sequentially along a selected trajectory. The windows of the M magnetic ring inductors within each group are sequentially connected to form a hollow structure. Each magnetic ring inductor includes a magnetic ring and a winding wound around the magnetic ring. The winding is electrically connected to a power source and configured to convert the current supplied by the power source into a medium-frequency induced magnetic field. At least one sample placement tube, at least a portion of which is disposed within the hollow structure of the magnetically coupled integrated assembly and passes through the windows of M magnetic ring inductor coils, wherein the sample placement tube is used to contain liquid samples and allows continuous flow of liquid samples, and the intermediate frequency induced magnetic field can induce an induced electric / magnetic field in the liquid sample within the sample placement tube, where N≥M≥2.

[0006] A second aspect of this invention provides a method for altering the physicochemical properties of a liquid sample, comprising: Provided is an integrated device for inducing the generation of induced electric / magnetic fields in liquid samples; A liquid sample is placed into the sample tube, and the windings of N magnetic ring inductors are connected to a power source, so that the magnetic ring inductors form a medium-frequency induced magnetic field. The medium-frequency induced magnetic field induces an induced electric / magnetic field in the liquid sample in the sample tube.

[0007] Compared with the prior art, the advantages of the present invention include: The integrated device for inducing induced electric / magnetic fields in liquid samples provided by the embodiments of the present invention unexpectedly obtains a novel magnetoelectric coupling processing mode for liquid samples by continuously designing the magnetic circuit configuration trajectory of the novel magnetic coupling integrated component. That is, it can simultaneously generate induced magnetic and electric fields in liquid samples, and the magnetic flux density operating point of the magnetic circuit is significantly reduced. While ensuring a suitable magnetic induction intensity output, it improves energy utilization and operational stability, and meets the processing requirements based on induced electric / magnetic fields of liquid samples under medium frequency and high power conditions. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the overall system operation of an integrated induction magnetic field carrier device for inducing the generation of induced electric / magnetic fields in liquid samples, provided in a typical embodiment of the present invention. Figure 2 This is a schematic diagram of a circular magnetic coupling integrated component provided in a typical embodiment of the present invention; Figure 3 This is a schematic diagram of a rectangular ring-shaped magnetic coupling integrated component provided in a typical embodiment 2 of the present invention; Figure 4 This is a schematic diagram of the magnetic ring structure dimensions and the layout of the sample tube in the window area of ​​a rectangular magnetic ring inductor coil provided in Embodiment 1 of the present invention. Figure 5 This is a schematic diagram of a branch layout of the sample tube and the electrical parameter measurement points in Embodiment 1 of the present invention; Figure 6 This is a schematic diagram of the unit structure of an inductive electric / magnetic field generating device that differs from Embodiment 1, as provided in Comparative Example 1; Figure 7 This is a schematic diagram of 16 independent and parallel unit structures of an inductive electric / magnetic field generating device different from Embodiment 1 provided in Comparative Example 1; Figure 8 This is a schematic diagram of the electrical parameter measurement sites in Comparative Example 1; Figure 9 This is a three-dimensional structural diagram of a magnetically coupled integrated component provided in Embodiment 2; Figure 10 This is a schematic diagram of the magnetic ring structure dimensions and the layout of the sample tube in the window area of ​​a circular magnetic ring inductor coil provided in Embodiment 2. Figure 11 This is a schematic diagram of a branch layout of the sample tube and the electrical parameter measurement points in Embodiment 2 of the present invention; Figure 12 This is a schematic diagram of a 16 independent and parallel unit structure of an inductive electric / magnetic field generating device, which is different from that in Example 2, provided in Comparative Example 2. Detailed Implementation

[0009] In view of the shortcomings of the prior art, the inventors of this invention, through long-term research and extensive practice, have proposed the technical solution of this invention. The following will further explain and illustrate the technical solution, its implementation process, and its principles.

[0010] Most existing induced electric / magnetic field generators employ conventional single-unit magnetic circuit structures, i.e., a single magnetic core structure with a sample tube spirally wound around the outside of the core. The magnetic field lines pass perpendicularly through the spiral sample tube, processing the liquid sample inside. This invention provides an integrated induction magnetic field carrier device for inducing induced electric / magnetic fields in liquid samples. Through specific magnetic circuit configuration trajectory studies, it was unexpectedly discovered that multiple integrated magnetic cores form a ring-shaped hollow structure or a multi-column hollow structure, creating a closed electric / magnetic circuit. This results in a unique magnetoelectric coupling effect in the sample tube with its locally closed branch structure. Furthermore, this novel combined magnetic circuit integration method overcomes the shortcomings of existing technologies, such as high magnetic loss and eddy current loss, and low energy conversion efficiency. This invention, through the integrated fabrication of magnetic coupling components, enhances performance and significantly lowers the magnetic flux density operating point, thereby ensuring efficient magnetic energy output at medium frequency operation, improving energy conversion rate and operational stability, and meeting the requirements for simultaneous generation of induced electric / magnetic fields from continuous-flow liquid samples under high-power conditions and for engineering heat treatment applications.

[0011] A first aspect of the present invention provides an integrated device for inducing an induced electric / magnetic field in a liquid sample, comprising: A magnetically coupled integrated component includes N magnetic ring inductors, which are combined into one or more magnetic ring inductor groups. M magnetic ring inductors within each group are arranged sequentially along a selected trajectory. The windows of the M magnetic ring inductors within each group are sequentially connected to form a hollow structure. Each magnetic ring inductor includes a magnetic ring and a winding wound around the magnetic ring. The winding is electrically connected to a power source and configured to convert the current supplied by the power source into a medium-frequency induced magnetic field. At least one sample placement tube, at least a portion of which is disposed within the hollow structure of the magnetically coupled integrated assembly and passes through the windows of M magnetic ring inductor coils, wherein the sample placement tube is used to contain liquid samples and allows continuous flow of liquid samples, and the intermediate frequency induced magnetic field can induce an induced electric / magnetic field in the liquid sample within the sample placement tube, where N≥M≥2.

[0012] Furthermore, the N magnetic ring inductors may have the same or different structural configurations, and the N magnetic ring inductors may form the same or different intermediate frequency induced magnetic fields.

[0013] Furthermore, the operating magnetic flux density of the intermediate frequency induced magnetic field formed by a single magnetic ring inductor coil is 0.2 T to 1.0 T, and the magnetic field frequency is 5 kHz to 100 kHz.

[0014] Furthermore, the intermediate frequency induced magnetic field is a time-varying magnetic field, including but not limited to an alternating magnetic field or a pulsed magnetic field, and the waveform of the excitation voltage of the intermediate frequency induced magnetic field can be one or a combination of two or more of sawtooth waves, spike waves, square waves, pulse waves, and sine waves.

[0015] Furthermore, alternating current (sine wave) generates a periodically changing magnetic field, and the induced magnetic field is also a continuous sinusoidal change with stable power, enabling continuous energy input. In contrast, the magnetic field generated by pulse or square wave is transient and abrupt, and the magnetoelectric coupling energy is also input in a transient form. Moreover, for the same amplitude, the higher the frequency of the induced magnetic field, the higher the magnetoelectric coupling field is generated. In particular, medium-frequency pulses can generate molecular polarization, electroporation, micro-local breakdown, and non-thermal effects inside liquid samples. In other words, applying alternating current may be equivalent to Joule heating (ohmic heating), while pulsed current has both heating and surge effects.

[0016] For example, the material of the magnetic ring is selected from one or more of iron-based amorphous materials, iron-based nanocrystalline materials, amorphous nanocrystalline materials, or permalloy.

[0017] Furthermore, the effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring inductor coil in the magnetic coupling integrated assembly is 0.8 cm² to 200 cm².

[0018] In a typical implementation, the selected trajectory is a closed geometric trajectory, and the window plane of the magnetic ring inductor coil is not parallel to the surface enclosed by the geometric trajectory, and the magnetic ring inductor coil group presents a ring structure. For example, the window plane of the magnetic ring inductor coil intersects with the surface enclosed by the geometric trajectory.

[0019] Furthermore, the geometric trajectory is a planar geometric trajectory, which can be a regular or irregular geometric trajectory.

[0020] Furthermore, the regular graphic trajectory includes a circular trajectory or a polygonal trajectory. For example, a polygonal trajectory can be a rectangular trajectory, a rhombus trajectory, a triangular trajectory, or other two-dimensional graphic trajectory, while an irregular graphic trajectory can be an irregular quadrilateral trajectory or other polygonal trajectory, etc.

[0021] Furthermore, the selected trajectory is a circular trajectory, the ring structure is a circular ring structure, and the M magnetic ring inductor coils are radially distributed with the geometric center of the circular trajectory as the center, and the window plane of the magnetic ring inductor coils intersects with the surface formed by the circular trajectory. Alternatively, the selected trajectory is a rectangular trajectory, the ring structure is a rectangular ring structure, and the M magnetic ring inductor coils are arranged sequentially along the long side and / or the wide side of the rectangular trajectory, with the window plane of the magnetic ring inductor coil intersecting the surface enclosed by the rectangular trajectory; Alternatively, the selected trajectory is a rectangular trajectory, the ring structure is a rectangular ring structure, and the M magnetic ring inductor coils are radially distributed around the geometric center of the rectangular trajectory, with the window plane of the magnetic ring inductor coils intersecting the surface enclosed by the rectangular trajectory.

[0022] In another more typical implementation, the selected trajectory is a linear trajectory, the window plane of the magnetic ring inductor coil is parallel to the radial section of the hollow structure, and the magnetic ring inductor coil group presents a columnar structure.

[0023] Furthermore, the selected trajectory is a straight line trajectory, and the central axis of the hollow structure is parallel to the straight line trajectory. It can be understood that in this scheme, the radial cross-sectional profile shape of the columnar structure and the hollow structure inside it is consistent with the window profile shape of a single magnetic ring inductor coil.

[0024] Furthermore, the sample tube passes through the window of the hollow region of the M magnetic rings in the magnetic ring inductor coil group.

[0025] Furthermore, the portion of the sample placement tube located within the hollow structure is a columnar structure, an annular structure, or a spiral structure. The outline shape of the orthographic projection (projection formed along its own axis) of the annular / spiral structure of the sample placement tube can be the same as the outline shape of the hollow structure, or it can be different.

[0026] Furthermore, the portion of the sample placement tube located within the hollow structure includes one or more annular tube segments, which are formed by winding the sample placement tube in a planar spiral or axial spiral shape.

[0027] Furthermore, multiple annular pipe segments are arranged sequentially along the axial direction of the annular / spiral structure they form, or nested sequentially along the radial direction of the annular / spiral structure they form.

[0028] Furthermore, the portion of the sample placement tube located within the hollow structure of the magnetic coupling integrated assembly includes one or more cylindrical tube segments, which are formed by the parallel arrangement of the sample placement tube.

[0029] Furthermore, the sample placement tube includes one or more branch structures that form a closed loop.

[0030] Furthermore, the sample placement tube is disposed within a sleeve, and the sleeve is disposed within the hollow structure.

[0031] In a more specific implementation, the integrated device for inducing the generation of an induced electric / magnetic field in a liquid sample further includes a cooling module for adjusting the operating temperature of the magnetic coupling integrated component.

[0032] A second aspect of this invention provides a method for altering the physicochemical properties of a liquid sample, comprising: Provided is an integrated device for inducing the generation of induced electric / magnetic fields in liquid samples; A liquid sample is placed into the sample tube, and the windings of N magnetic ring inductors are connected to a power source, so that the magnetic ring inductors form a medium-frequency induced magnetic field. The medium-frequency induced magnetic field induces an induced electric / magnetic field in the liquid sample in the sample tube.

[0033] Furthermore, the working magnetic flux density of the intermediate frequency induced magnetic field formed by a single magnetic ring inductor coil is 0.2 T to 1.0 T, the magnetic field frequency is 5 kHz to 100 kHz, the electric field strength of the induced electric field of the liquid sample is 0.1 V / cm to 300 V / cm, and the magnetic field strength of the induced magnetic field of the liquid is 1 μT to 200 uT.

[0034] Furthermore, the intermediate frequency induced magnetic field is a time-varying magnetic field, including but not limited to an alternating magnetic field or a pulsed magnetic field, and the waveform of the excitation voltage of the intermediate frequency induced magnetic field is one or a combination of two or more of the following: sawtooth wave, spike wave, square wave, pulse wave, and sine wave.

[0035] Furthermore, the conductivity of the liquid sample is 0.01 S / m to 18.0 S / m.

[0036] Furthermore, the method for changing the physicochemical properties of the liquid sample includes: keeping the liquid sample in the sample tube in a static or flowing state.

[0037] Furthermore, the method for changing the physicochemical properties of the liquid sample includes maintaining the operating temperature of the magnetically coupled integrated component at 30°C to 130°C.

[0038] The following will provide a further explanation of the technical solution, its implementation process, and its principles, in conjunction with the accompanying drawings and specific implementation examples.

[0039] For a more specific implementation plan, please refer to Figure 1 An integrated device for inducing an induced electric / magnetic field in a liquid sample includes a magnetic coupling integrated component 101 and a sample placement tube 103. The magnetic coupling integrated component 101 is electrically connected to an excitation power supply 201 and converts the current provided by the excitation power supply 201 into a medium-frequency induced magnetic field, forming a closed-loop magnetic circuit, i.e., a closed-loop magnetic field. The sample placement tube 103 is used to contain a liquid sample, which includes an electrolyte solution or a multiphase complex electrolyte sample. At least a portion of the sample placement tube 103 is disposed inside the magnetic coupling integrated component 101 and placed inside the closed-loop magnetic field. The medium-frequency induced magnetic field provided by the magnetic coupling integrated component 101 can induce an induced electric / magnetic field in the liquid sample in the sample placement tube 103.

[0040] For details, please refer to Figure 2 The magnetic coupling integrated component 101 includes N magnetic ring inductor coils. The N magnetic ring inductor coils are combined into one or more magnetic ring inductor coil groups. The M magnetic ring inductor coils contained in the magnetic ring inductor coil group are arranged along a circular trajectory (i.e., the selected trajectory is a circular trajectory). Figure 2The structure shown depicts the magnetic ring inductor coils with their window planes perpendicularly intersecting the plane formed by the geometric trajectory. These coils are arranged sequentially at intervals within a ring-shaped region. The windows of the M magnetic ring inductor coils in the group are sequentially connected to form a hollow structure. Each magnetic ring inductor coil includes a magnetic ring 102 and a winding 104 wound around the magnetic ring. The winding 104 is electrically connected to the excitation power supply 201 and is configured to enable the magnetic ring inductor coils to convert electrical energy from the excitation power supply 201. To induce the magnetic energy of the magnetic field carrier and thus generate a mid-frequency induced magnetic field, each magnetic ring inductor coil group presents a ring structure. The direction of the magnetoelectric coupling field inside the hollow structure of each magnetic ring inductor coil group is consistent with the circumference of the ring region / circular trajectory. At least a part of the sample placement tube 103 passes through the windows of M magnetic rings 102. The sample placement tube 103 is used to contain electrolyte samples and allows continuous flow of liquid samples. The mid-frequency induced magnetic field can induce the liquid sample in the sample placement tube 103 to generate an induced electric / magnetic field, where N≥M≥2.

[0041] Among them, the circular trajectory and the outline shape of the annular region are consistent. The circular trajectory can also be replaced by other geometric trajectories. Other geometric trajectories can be planar geometric trajectories, which can be regular or irregular. The shape of the regular geometric trajectory can be a rectangle or other polygons, etc. The shape of the irregular geometric trajectory is not given as an example.

[0042] Specifically, winding 104 is configured to convert the electrical energy provided by the excitation power supply 201, with an output voltage frequency of 5 kHz to 100 kHz, into a medium-frequency induced magnetic field with a working magnetic flux density of 0.2 T to 1.0 T and a magnetic field frequency of 5 kHz to 100 kHz. Specifically, the segment angle, number, and cross-sectional area of ​​the magnetic ring inductor coil are adjustable, thereby adjusting the power and intensity of the medium-frequency induced magnetic field. For example, when the cross-sectional area of ​​the effective magnetic circuit of the entire magnetic coupling integrated component 101 increases or decreases, the maximum output power of the magnetic coupling integrated component 101 increases or decreases, thereby generating a higher or lower induced electric / magnetic field in the liquid sample in the sample tube. Specifically, the effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring inductor coil in the magnetic coupling integrated component 101 can be 0.8 cm² to 200 cm².

[0043] Specifically, all magnetic ring inductor coils have the same structural configuration and, when connected to the same excitation power supply, the intermediate-frequency induced magnetic field formed by all magnetic ring inductor coils is identical. That is, the material and structure of all magnetic rings are the same, and the material and structural parameters of all windings are the same. For example, the number of turns, wire diameter, and winding method of all windings are identical. This ensures that the electrical parameters (inductance, reactance, impedance, etc.) of each magnetic ring inductor coil are consistent, thereby achieving the maximum magnetic energy conversion or induction effect. The parameters (e.g., operating magnetic flux density, frequency, waveform, etc.) of the intermediate-frequency induced magnetic field formed by all the aforementioned magnetic ring inductor coils are consistent.

[0044] Understandably, the operating magnetic flux density of the intermediate-frequency induced magnetic field formed by a single magnetic ring inductor coil is 0.2 T to 1.0 T, and the magnetic field frequency is 5 kHz to 100 kHz. Specifically, the magnetic flux density, arrangement and configuration of the intermediate-frequency induced magnetic field, as well as the magnetic field frequency, determine the response speed and energy transfer mode of electromagnetic induction. The waveform signal of the intermediate-frequency induced magnetic field can generate the optimal induced electromagnetic effect in the target liquid sample. If the arrangement and configuration of the magnetic coupling integrated components do not meet the specific requirements of this invention, and the operating magnetic flux density and magnetic field frequency of the intermediate-frequency induced magnetic field exceed a specific range, it will lead to a decrease in electromagnetic coupling efficiency, the generation of non-target harmonics, or loss of control effect, or failure to achieve the expected conversion efficiency, power output, or process effect.

[0045] Specifically, the windings in the magnetic ring inductor coil can be set independently or connected in parallel. Independent windings offer greater controllability, while parallel windings make synchronous control easier and improve magnetoelectric conversion efficiency. The choice can be made based on actual needs.

[0046] More specifically, the magnetic ring 102 can be composed of multiple stacked or annular coiled soft magnetic materials. The soft magnetic material can be at least one of iron-based amorphous, iron-nickel-based amorphous, cobalt-based amorphous, iron-based nanocrystalline, cold-rolled silicon steel, permalloy, ferrite, ferritic stainless steel, etc. Specifically, the winding 104 is multiple strands of high-frequency wire or Litz wire wound in parallel on the magnetic ring 102. This high-frequency wire or Litz wire can be a metal conductor; for example, it can be copper wire, silver wire, aluminum wire, or enameled wire. Specifically, the outer surface of the magnetic ring 102 can be provided with winding slots, and the winding 104 is disposed within these winding slots.

[0047] As a typical implementation, the magnetic ring inductor coil as a whole can be presented as a ring structure identical to the overall magnetic ring 102, such as a circular ring structure, a rectangular ring structure, a polygonal ring structure, etc., and the window of the magnetic ring inductor coil can be regarded as the window of the magnetic ring 102. For example, M magnetic ring inductor coils can be combined and arranged to form a tokamak-like hollow ring structure with a symmetrical shape (preferably a rotationally symmetrical shape), and the magnetic rings 102 can be connected by fasteners known in the art.

[0048] Please refer to it again. Figure 1 and Figure 2 In one typical implementation, M magnetic ring inductors are arranged sequentially along a circular trajectory. The magnetic ring inductor group contained in the magnetic coupling integrated component presents an internally hollow ring-shaped structure. Specifically, the M magnetic ring inductors are radially distributed with the geometric center of the circular trajectory as the center. The window plane of the M magnetic ring inductors is perpendicular to the window plane of the overall ring-shaped structure of the magnetic ring inductor group. The spacing between the M magnetic ring inductors (i.e., the spacing between two adjacent magnetic ring inductors) gradually increases in the direction away from the geometric center of the circular trajectory. This structural configuration can improve the uniformity of magnetoelectric coupling in the hollow area of ​​the magnetic coupling integrated component (radial distribution with gradually increasing spacing makes the magnetoelectric effect generated by each magnetic ring inductor coil in the window area more uniform), induce high efficiency of electric / magnetic fields generated by the sample, reduce interference loss (appropriate magnetic circuit spacing design avoids mutual interference between magnetic ring inductor coils, reduces eddy currents and losses, and improves overall efficiency), and has strong applicability (it can cover liquid samples in sample tubes of different volumes and shapes, making it highly applicable), while also facilitating the series connection and expansion of the device.

[0049] Please see Figure 3 As another typical implementation, M magnetic ring inductors are arranged sequentially along a rectangular trajectory (i.e., the selected trajectory is a rectangular trajectory). More specifically, the M magnetic ring inductors can be arranged along only the four straight sides of the rectangular trajectory, or along only the two long or short sides of the rectangular trajectory, or along the entire rectangular trajectory (in addition to the straight sides, they are also distributed at the corners of the rectangular trajectory). That is, the magnetic coupling integrated component presents an overall rectangular ring structure or two parallel linear structures. The window plane of the magnetic ring inductor is perpendicular to the window plane of the overall rectangular ring structure of the magnetic ring inductor group. The spacing between two adjacent magnetic ring inductors arranged along the same straight side of the rectangular trajectory remains the same, and preferably they are arranged in parallel. Compared with the circular ring structure of the magnetic ring inductor group, the rectangular ring structure facilitates the linear arrangement and modular assembly of the magnetic ring inductors, and can be cleverly and flexibly arranged according to the linear flow path of the liquid sample.

[0050] The magnetic flux distribution on the straight segments of the rectangular ring structure is relatively uniform and concentrated, while the magnetoelectric effect of the local ring magnetic field in the corner region helps to enhance the magnetoelectric induction intensity at the endpoints of the liquid sample flow path, thereby achieving intensity adaptation of magnetic energy applied to sample cavities of different shapes. For example, the ratio of the length of the long side to the length of the short side of the rectangular ring structure is 1.2:1 to 20:1.

[0051] Specifically, the sample placement tube 103 is a single-layer tube, multi-layer parallel tube, or spiral coil that is fully or partially electrically insulated. Partially or entirely, the sample placement tube 103 is arranged in a parallel or spiral manner within the hollow structure of the magnetic coupling integrated assembly 101, and passes through the windows of the M magnetic rings 102, preferably through the geometric center of the windows of the magnetic rings 102. Specifically, the sample placement tube 103 is wound into one or more annular segments, and the multiple-turn annular segments can form a planar spiral or axial spiral structure.

[0052] The magnetoelectric effect of the window region of the magnetic ring 102 can be defined by the magnetoelectric coupling strength to ensure that the liquid sample in each sample tube 103 can utilize the magnetoelectric energy of the window region to the optimal level. Specifically, during device design, the centerline of the geometric center of the magnetic ring window can be pre-determined as a reference axis in the magnetic ring 102. More specifically, a modular arrangement can be adopted, with multiple sample tubes evenly distributed in different regions or segments of the window plane of the magnetic ring 102. Each segment still passes through its own magnetic ring window plane, ensuring that the liquid sample in each sample tube 103 is located in the central region of the magnetoelectric effect.

[0053] Specifically, the induced magnetic field generated by the magnetic ring inductor coil has the greatest magnetoelectric energy intensity and the most uniform distribution in the window area of ​​the magnetic ring 102. The induced electric field intensity and induced magnetic field intensity of the liquid sample are also the most stable. Placing the sample tube in the center of the window area of ​​the magnetic ring can ensure that the liquid sample is in the effective magnetoelectric coupling zone, thereby producing the best sample processing effect. Through this design, the induced electric field intensity and induced magnetic field intensity of the liquid sample can be maximized, the effect is reproducible and stable, and the loss is low.

[0054] More specifically, the sample placement tube 103 has an inlet 105 and an outlet 106. The inlet 105 of the sample placement tube 103 can be connected to the pumping module 401, and the outlet 106 is connected to the collection module 501. The sample placement tube 103, the pumping module 401, and the collection module 501 are connected to form a passage for the flow of liquid samples. For example, the liquid sample in the collection module 501 enters the sample placement tube 103 from the inlet 105 under the drive of the pumping module 401, continuously passes through the magnetic coupling integrated component 101, and is then output through the outlet 106 and may or may not return to the mixing module 501.

[0055] For example, the sample tube 103 can be made of polytetrafluoroethylene (PTFE plastic), epoxy tube, resin hose, perfluoroalkoxy polymer (PFA plastic), polypropylene (PP plastic), polyethylene (PE plastic), fluorinated ethylene propylene copolymer (FEP plastic), resin, silicone, plexiglass, borosilicate glass, or quartz, etc., which are heat-resistant, corrosion-resistant, and electrically insulating materials. The pumping module 401 can be a peristaltic pump, horizontal flow pump, centrifugal pump, diaphragm pump, gear pump, plunger pump, pressure pump, or screw pump, etc. The collection module 501 can be a stirred tank, insulated tank, storage tank, reagent bottle, glass beaker, etc., known in the art. Both the pumping module 401 and the collection module 501 can be equipment and items known in the art, and their specific structures and working principles will not be described in detail here.

[0056] In a preferred embodiment, the integrated device for inducing the generation of an induced electric / magnetic field in a liquid sample may further include a cooling module 301, which is mainly used to regulate the operating temperature of the magnetic coupling integrated component 101 (specifically, the surface operating temperature of the magnetic ring inductor coil).

[0057] Specifically, the cooling module 301 can adjust the operating temperature of the magnetically coupled integrated component 101 using methods known in the art, such as air cooling, semiconductor cooling, and constant temperature bath.

[0058] For example, the cooling module 301 may be one of a fan, a blower, a semiconductor refrigeration plate, a water-cooled plate, or a constant temperature bath, or a combination of two or more of them. The semiconductor refrigeration plate and the water-cooled plate are in direct contact with the magnetic ring inductor coil. The magnetic ring inductor coil may be immersed in the constant temperature bath. The refrigerant in the constant temperature bath may circulate in the container holding the magnetically coupled integrated component and its heat exchange pipeline. The refrigerant in the constant temperature bath may be water, mineral oil, or other fluid media capable of heat exchange. Of course, as is known in the art, the heat exchange pipeline may also be connected to a refrigeration compressor / radiator, etc., to improve the heat exchange power.

[0059] Specifically, the integrated device for inducing the generation of induced electric / magnetic fields in liquid samples also includes a control module 601. The control module 601 is connected to the excitation power supply 201, cooling module 301, pumping module 401, and collection module 501. The control module 601 regulates and monitors the operating parameters of the excitation power supply 201, cooling module 301, pumping module 401, and collection module 501 to generate a medium-frequency induced magnetic field in the magnetic coupling integrated component 101. This medium-frequency induced magnetic field can induce the generation of induced electric / magnetic fields within the liquid sample in the sample placement tube 103. For example, the control module 601 can be a PLC controller or a microcomputer, and the numerical control program used in the control module 601 can be commercially available. Furthermore, the circuit structures in this invention are implemented using methods or techniques known to those skilled in the art, and are not specifically limited herein.

[0060] In this embodiment, when the physicochemical properties of the liquid sample are altered using the integrated device for inducing an induced electric / magnetic field in a liquid sample, the pumping module 401 pumps a liquid sample (mainly an electrolyte solution) with a conductivity of 0.01 S / m to 18.0 S / m into the sample placement tube 103 from the inlet 105. The sample placement tube 103 is filled with liquid sample, which can flow continuously within it. The working magnetic flux density of the medium-frequency induced magnetic field generated by the magnetic ring inductor coil is 0.2 T to 1.0 T, and the magnetic field frequency is 5 kHz to 100 kHz. The cooling module 301 maintains the working temperature of the magnetic coupling integrated component, i.e., the surface temperature of the magnetic ring inductor coil (mainly the magnetic ring, the same below), at 30 ℃ to 130 ℃. The induced electric / magnetic field strength of the liquid sample inside the sample tube 103 can be detected by instruments. The induced electric field strength is measured by inserting a metal probe into the sample tube and connecting it to an oscilloscope. The induced magnetic field strength is measured by inserting a current transformer through the sample tube and connecting it to an oscilloscope. Simultaneously, the induced electric field strength inside the liquid sample within the sample tube 103 is also measured. E As shown in equation (1); E =(2 U × N ) / l Equation (1); in, U This is the excitation voltage of the excitation power supply 201. N This refers to the number of magnetic ring inductor coils. l This is the effective magnetic path length of the magnetic ring inductor coil.

[0061] Intensity of the induced magnetic field inside the liquid sample in sample tube 103 B As shown in equation (2); Equation (2); in, The permeability of free space has a value of 4π × 1. H / m, I The induced current inside the liquid sample is measured by a current transformer and an oscilloscope. r This is the shortest distance from the axial center of the sample tube 103 to the center of the annular magnetic circuit of the current transformer.

[0062] Specifically, under the influence of a mid-frequency induced magnetic field, a dynamic magnetoelectric coupling effect is generated within the liquid sample, resulting in induced electric and magnetic fields. The main influencing mechanisms include, but are not limited to, the Lorentz force effect of electromagnetic mutual inductance, molecular rearrangement induced by the induced magnetic field, changes in electron cloud distribution, and non-contact transfer of electromagnetic energy. Compared to existing technologies, this invention utilizes a certain number of magnetic circuits with specially arranged trajectories to form a specific sample placement area with a hollow structure. This allows the electrolyte sample within the placement area to simultaneously induce a strong induced electric / magnetic field at a relatively low operating magnetic flux density. The highly integrated magnetic ring inductor coil group ensures uniform magnetic energy distribution within the placement area, making the changes in the physicochemical properties of the liquid sample controllable and reproducible.

[0063] Samples treated by the method of this invention exhibit the following performance improvements or special advantages: 1) Enhanced conductivity and reactivity, such as improving the catalytic performance of electrochemical systems, electrocatalytic solutions, or conductive liquids; 2) Improved rheology or dispersibility, such as reducing particle aggregation and improving system stability and flowability; 3) Modulation of interface and reactivity, such as improving interfacial activity and reaction rate in emulsions, suspensions, and colloidal systems; 4) Improved stability of diamagnetic molecular structure orientation; 5) Inhibition or enhancement of microorganisms or enzymes. The physicochemical properties include, but are not limited to, electrical properties (such as conductivity and dielectric constant), structural properties (such as molecular or particle hydrogen bonding and aggregation state), thermal properties (thermal conductivity, heat transfer coefficient, etc.), reactivity (redox activity, chemical reaction rate, equilibrium constant, free radical generation ability), and optical properties (absorbance, refractive index), etc.

[0064] This invention can be applied to the induction of ordered molecular orientation in biochemical systems, multiphase complex electrolyte systems or polymer solutions to change functional properties, as well as in the fields of material processing and modification, chemical reaction enhancement, food and functional liquid processing.

[0065] Example 1

[0066] This embodiment provides a structure for an integrated induction magnetic field carrier device for inducing the generation of induced electric / magnetic fields in liquid samples, as shown below. Figure 1 and Figure 2 As shown.

[0067] In this embodiment, the magnetic coupling integrated component 101 includes 18 (N=18) magnetic ring inductors. Each magnetic ring inductor has the same structural configuration. The 18 magnetic ring inductors are arranged sequentially at equal intervals along a circular trajectory, presenting an overall ring-shaped structure. The windows of the 18 magnetic ring inductors are connected to form a ring-shaped hollow structure. The window plane of each magnetic ring inductor intersects with the window plane of the overall ring-shaped structure of the magnetic coupling integrated component 101. The sample tube 103 passes through the windows of the 18 magnetic ring inductors.

[0068] The winding 104 of the magnetic ring inductor coil is made of Litz wire, with 2 turns per magnetic ring (number of turns). n=2 The windings 104 are wound in parallel on all 18 magnetic rings 102 and electrically connected to the excitation power supply 201. The excitation power supply 201 applies a frequency of [frequency missing] to the windings 104. f = 50 kHz excitation voltage, waveform is square wave, the intermediate frequency induced magnetic field formed by each magnetic ring inductor coil is the same, the working magnetic flux density of each magnetic ring can be obtained according to formula (3). B : U = 4× f × s × n × B (3); in, U For excitation voltage, f For frequency, n This refers to the number of winding turns of a single magnetic ring 102. s The effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring 102 is... B The working magnetic flux density.

[0069] Please see Figure 4 The magnetic ring 102 is made of amorphous nanocrystalline material and has a near-rectangular ring structure. The outer side length of the magnetic ring 102 is... L 1 180 mm in diameter, outer width W 1 130 mm, window side length l 1 100 mm, window width w 1 The thickness is 50 mm, and the magnetic ring is 102. h 1 The effective magnetic path length of the magnetic ring inductor coil is 20 mm. l It is 380 mm, that is (2 l 1 + w 1 + W 1 The magnetic rings 102 of 18 magnetic ring inductors are arranged circumferentially along a circular trajectory by fasteners at their boundaries, forming a circumference. The window plane of the magnetic rings 102 is perpendicular to the surface formed by the circular trajectory, constituting a magnetically coupled integrated component 101 with a hollow structure. The effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring inductor is 8 cm². 2 That is, s=[( W 1 - w 1 ) / 2]× h 1 .

[0070] Sample tube 103 consists of eight parallel PFA plastic tubes arranged in an overlapping manner, with the inner diameter of the PFA coil being... D 1 The diameter is 18 mm, and the total radial cross-sectional area of ​​sample tube 103 is 20.35 cm². 2 That is, s = 8 × π × ( D 1 / 2) 2 Eight PFA plastic tubes pass through the window area of ​​each magnetic ring inductor coil, nested / overlapping sequentially along the axial and radial directions of the ring structure they form, as shown in the layout. Figure 4 As shown; each PFA plastic tube includes a branch structure, which forms a closed loop, such as... Figure 5 As shown; eight PFA plastic tubes are arranged inside a single tube and placed within the annular hollow structure region of the magnetic coupling integrated assembly 101. The center circumference of the annular hollow structure region is... L = 83 cm.

[0071] The liquid sample is pumped into the sample placement tube 103 from the inlet 105 by a gear pump until the fluid sample fills the entire sample placement tube 103 and finally flows out from the outlet 106. The excitation voltage is adjusted. U = 160 V, at which point the working magnetic flux density of the magnetic ring inductor coil is 0.5 T. The liquid sample is a mixture of 3% w / v corn starch milk and 0.2% w / v dilute hydrochloric acid, with a mixing ratio of 1:0.3 (v / v) and a conductivity of 8.3 S / m. The flow rate of the gear pump is adjusted so that 100 kg of liquid sample continuously passes through the magnetic coupling integrated component 101 for induced electric / magnetic field treatment. During the residence of the liquid sample in the sample tube 103, the sample temperature rises from an initial temperature of 20℃ to a final temperature of 98℃, i.e., a temperature rise of 78℃, at which point the temperature rise rate is 7.8℃ / min. Simultaneously, the induced magnetic field of the liquid sample in the sample tube 103 is detected as 60 μT by the current transformer and oscilloscope, and the induced electric field of the liquid sample in the sample tube 103 is detected as 151.6 V / cm by the probe and oscilloscope. The detection method and detection position are as follows. Figure 5 As shown, after completion, the sample flowing out from outlet 106 was collected, neutralized to pH=7 with 0.3% NaOH, dried at 55℃, and then subjected to subsequent functional evaluation.

[0072] In this embodiment, the cooling module 301 is a high-power exhaust fan. 18 magnetic ring inductor coils and sample tubes are fixed in the chamber. The heat dissipation duct and sample tubes are isolated. Heat dissipation is achieved by bottom air intake and top exhaust. The operating temperature of its magnetic coupling integrated component 101 is maintained at 90 ± 5℃. The operating temperature of the magnetic coupling integrated component 101 is obtained by measuring a temperature monitoring mechanism. For example, the temperature monitoring mechanism can be a patch thermocouple or an infrared thermal imaging system. As known to those skilled in the art, the patch thermocouple is placed on the surface of each magnetic ring inductor coil, and the temperature data is read and displayed in real time via a data line and analyzed and judged by a microcomputer. The infrared thermal imaging system is placed at a certain distance from the magnetic coupling integrated component 101 to observe the temperature distribution of each magnetic ring inductor coil and transmits the temperature data to the microcomputer for analysis and judgment in real time. The heat dissipation power, input power, and active power (i.e., heating power) of the cooling module 301 and the excitation power supply 201 can be measured by connecting a power meter.

[0073] In this embodiment, the raw materials before and after treatment were measured using a texture analyzer based on the method disclosed in Du Xianfeng, Xu Shiying, Wang Zhang. Study on mechanical properties of starch gel [J]. Transactions of the Chinese Society of Agricultural Engineering, 2001, 17(2): 16-19), cold water solubility (cold water solubility (%)) was measured using the method disclosed in Gao Qunyu, Cai Liming, Chen Huiyin, Gong Huihui. Preparation and property study of granular cold water soluble potato starch [J]. Science and Technology of Food Industry, 2007, 28(3): 117-120), and water holding capacity (water holding capacity (%)) was measured using the method disclosed in Xie, Q., Liu, X., Liu, H., Zhang, Y., Xiao, S., Ding, W., ... & Wang, X. (2023). Insight into the effect of garlic peptides on the physicochemical and anti-staling properties of wheat starch. International Journal of Biological Macromolecules, The following parameters were measured using the method disclosed in 229, 363-371: temperature rise rate per 100 kg of sample during processing (°C / min), induced electric field strength inside the sample (V / cm), induced magnetic field strength inside the sample (μT), input power (kW), heating power (kW), heat dissipation power (kW), and energy efficiency (%, heating power / input power × 100). As shown in Table 1, the raw material, namely acid-modified starch (or pregelatinized starch), obtained by the integrated device for induction magnetic field carriers in Example 1, showed significant changes in its performance indicators, including gel strength, cold water solubility, and water holding capacity, resulting in a substantial improvement in functionality.

[0074] Comparative Example 1

[0075] This comparative example refers to Example 1, and uses an 18-unit magnetic core structure (e.g., the structure disclosed in CN119400542A). Please refer to [link / reference needed]. Figure 6 The liquid sample (a mixture of 3% w / v corn starch milk and 0.2% w / v dilute hydrochloric acid), sample conductivity, throughput, initial temperature, final temperature, number of magnetic ring inductor coils, size, dimensions, material, and number of turns of Litz wire winding ( n =2) The frequency and electrical connection method are the same as in Example 1, but they are set up independently in parallel. Please refer to [link / reference]. Figure 7 The magnetically coupled integrated ring structure of the present invention is not adopted.

[0076] In this comparative example, the sample placement tube 103 is a spirally distributed multilayer PFA coil with an inner diameter of 8 mm. The sample placement tubes 103 are wound around the left and right sides of the magnetic ring inductor coil 102, ensuring that the total liquid holding capacity of the sample placement tubes 103 with 18 magnetic ring inductor coils is consistent with that in Example 1, i.e., the sample volume during magnetoelectric coupling is consistent. A different excitation voltage of 320 V is used than in Example 1, resulting in the magnetic ring inductor coils being in a saturated working magnetic flux density of 1 T. The gear pump flow rate is adjusted to ensure that 100 kg of liquid sample reaches the same endpoint temperature (98°C) as in Example 1 during its residence time as flowing through the sample placement tube 103, with a temperature rise rate of only 4.0°C / min. Simultaneously, the induced magnetic field of the liquid sample in the sample placement tube 103 is detected as 10 μT using a current transformer and oscilloscope, and the induced electric field of the liquid sample in the sample placement tube 103 is detected as 33.7 V / cm using a probe and oscilloscope. The detection method and location are as follows. Figure 8 As shown, after completion, the sample flowing out from outlet 106 was collected, neutralized to pH=7 with 0.3% NaOH, dried at 55℃, and then subjected to subsequent functional evaluation.

[0077] In this comparative example, the raw materials before and after treatment were evaluated based on gel strength, cold water solubility, water holding capacity, temperature rise rate per 100 kg of sample during treatment, induced electric field strength inside the sample, induced magnetic field strength inside the sample, input power, heating power, heat dissipation power, and energy efficiency (heating power / input power × 100). The measurement methods were the same as in Example 1.

[0078] Table 1 Comparison of application effects between Example 1 and Comparative Example 1

[0079] The results of Comparative Example 1 and Example 1 are compared in Table 1. It can be seen that, under the same conditions of the number of magnetic ring inductor coils, excitation parameters, magnetic ring material and size configuration, without the use of the magnetic coupling integrated component form (i.e., without the integrated magnetic ring inductor coil structure configuration in Example 1), when processing samples of the same properties and mass, and with the same initial and final sample temperatures, Comparative Example 1 has a lower temperature rise rate, energy efficiency, induced electric / magnetic field intensity, and the quality of the raw material, namely acid-modified starch, including gel strength, cold water solubility and water retention, than Example 1. Moreover, Comparative Example 1 has a higher heat dissipation power, indicating that the device in Comparative Example 1 has more energy loss. This is because, in order to achieve the same sample final temperature, i.e., processing temperature as Example 1, the magnetic ring inductor coil operates close to the saturation magnetic flux density point, resulting in greater heat loss, lower active power, slower raw material temperature rise, and poorer energy utilization.

[0080] Example 2

[0081] Referring to Example 1, the integrated device for inducing an induced electric / magnetic field in a liquid sample provided in this example is basically the same, except that: Figure 3 As shown, in this embodiment, the magnetic ring inductors in the magnetically coupled integrated assembly are arranged at intervals along the two long sides of a rectangular trajectory. The magnetically coupled integrated assembly presents as two parallel columnar structures, and each magnetic ring inductor is circular in shape. This can be understood as the magnetic ring inductors being arranged at intervals along two parallel straight lines. The window plane of the magnetic ring inductor is parallel to the radial cross-section of the columnar structure, and the central axis of each columnar structure coincides with the central axis of its internal hollow structure. The sample tube 103 passes through the window area of ​​each magnetic ring inductor. The three-dimensional structure of the magnetically coupled integrated assembly in this embodiment is as follows: Figure 9 As shown.

[0082] In this embodiment, the magnetic coupling integrated component 101 includes 80 (N=80) magnetic ring inductors. The 80 magnetic ring inductors are divided into two groups of magnetic ring inductors, one on the left and one on the right. Each group of magnetic ring inductors contains 40 magnetic ring inductors (M=40). The two groups of magnetic ring inductors are arranged along the two long sides of a rectangular trajectory. The boundaries of the magnetic rings 102 of the magnetic ring inductors are arranged in parallel and overlapping manner with fasteners at a spacing of 6 mm. Together with the sample tube, they form an integrated magnetic circuit structure, that is, the magnetic coupling integrated component 101 presents an overall rectangular ring structure.

[0083] In this embodiment, the winding 104 of the magnetic ring inductor coil is Litz wire, with 2 turns per magnetic ring (number of turns). n=2 The windings 104 are wound in parallel on the slots of 80 magnetic rings 102 and are electrically connected to the excitation power supply 201. The excitation power supply 201 applies a frequency of [frequency missing] to the windings 104. f With an excitation voltage of 60 kHz and a sinusoidal waveform, the working magnetic flux density of each magnetic ring can be obtained according to Formula 4. B : U = 4.443× f × s × n × B (3); in, U For excitation voltage, f For frequency, n This refers to the number of winding turns of a single magnetic ring 102. s The effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring 102 is... B The working magnetic flux density.

[0084] Please see Figure 10The magnetic ring 102 is made of amorphous nanocrystalline material and has a circular ring structure. Both the outer and inner rings (window areas) of the radial cross-section of the magnetic ring 102 are circular, and the diameter of the outer ring is... R 1 The inner ring diameter is 130 mm. 110mm, axial thickness h 2 The effective magnetic path length of the magnetic ring inductor coil is 20 mm. l It is 377 mm, that is, π×[( R 1 - R 2 ) / 2+ R 2 The effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring inductor coil is 2 cm². 2 That is, s=[( R 1 - R 2 ) / 2]× h 2 .

[0085] Reference Figure 3 Sample tube 103 consists of two parallel borosilicate glass tubes with an outer diameter of 98 mm, an inner diameter of 95 mm, and a radial cross-sectional area of ​​70.88 cm². 2 That is, s = π × (95 / 2) 2 Two glass tubes pass parallel through the window areas of each group of 40 magnetic ring inductor coils 102, that is, the two glass tubes pass through the two columnar hollow structural areas of the magnetic coupling integrated component 101, keeping the two ends of the two glass tubes connected. An inlet 105 and an outlet 106 are respectively arranged at the midpoint of the connection point. In other words, the sample tube 103 includes a branch structure, which forms a closed loop, such as... Figure 11 As shown, the total length of the two columnar hollow structures of the magnetic coupling integrated component 101 is L = 210 cm, that is, the length of a single columnar hollow structure is L / 2 = 105 cm.

[0086] Liquid samples are pumped into sample tube 103 from inlet 105 using a screw pump until the fluid sample fills the entire sample tube 103 and finally flows out from outlet 106. The excitation voltage U = 32 V is adjusted, at which point the working magnetic flux density of the magnetic ring inductor coil is 0.3 T. Pectin derived from citrus peel (industrial-grade high-methoxyl citrus pectin) is used as raw material and mixed with 0.5% citric acid solution at a solid-liquid ratio of 1:35 (g / mL) to ensure that the pectin is fully dispersed as a liquid sample. The initial pH is approximately 2.8 and the conductivity is 0.3 S / m. The pump flow rate is adjusted to ensure that 100 A kg liquid sample is continuously passed through the magnetic coupling integrated component 101 to undergo induced electric / magnetic field treatment. This ensures that during the residence of the liquid sample in the sample tube 103, the sample temperature rises from an initial temperature of 10℃ to a final temperature of 70℃, i.e., a temperature rise of 60℃, at a rate of 20℃ / min. Simultaneously, the induced magnetic field of the liquid sample in the sample tube 103 is detected as 30 μT using a current transformer and an oscilloscope, and the induced electric field of the liquid sample in the sample tube 103 is detected as 135.8 V / cm using a probe and an oscilloscope. The detection method and detection location are as follows. Figure 11 As shown, after completion, the sample flowing out from outlet 106 was collected, neutralized to pH=7 with 0.5% NaHCO3, dried at 50℃, and then used for subsequent sample and functional index evaluation.

[0087] In this embodiment, the cooling module 301 uses a high-pressure fan for heat dissipation; 80 magnetic ring inductor coils and sample tubes are fixed in the chamber, and the heat dissipation ducts and sample tubes are isolated. Heat dissipation is carried out by bottom air intake and top exhaust, so that the operating temperature of the magnetic coupling integrated component 101 is maintained at 90 ± 5℃; the operating temperature of the magnetic coupling integrated component 101 is obtained by measuring the temperature through a temperature monitoring mechanism. For example, the temperature monitoring mechanism can be a patch thermocouple or an infrared thermal imaging system, etc. As is known to those skilled in the art, the patch thermocouple is placed on the surface of each magnetic ring inductor coil, and the temperature data is read and displayed in real time through a data line and analyzed and judged by a microcomputer; the infrared thermal imaging system is placed at a certain distance from the magnetic coupling integrated component 101 to observe the temperature distribution of each magnetic ring inductor coil and transmit the temperature data to the microcomputer for analysis and judgment in real time; the heat dissipation power, input power and active power (i.e. heating power) of the cooling module 301 and the excitation power supply 201 can be measured by connecting a power meter.

[0088] In this embodiment, the polydispersity index (PDI, i.e., molecular weight distribution coefficient, determined by the method disclosed in White, GW, Katona, T., & Zodda, JP (1999). The use of high-performance size exclusion chromatography (HPSEC) as a molecular weight screening technique for polygalacturonic acid for use in pharmaceutical applications. Journal of pharmaceutical and biomedical analysis, 20(6), 905-912.), cold water solubility, gel strength, and the rate of temperature rise per 100 kg of sample during the treatment process, the induced electric field strength inside the sample, the induced magnetic field strength inside the sample, the input power, the heating power, the heat dissipation power, and the energy efficiency (heating power / input power × 100) were used as evaluation indicators. The methods for determining cold water solubility and gel strength were the same as in Example 1. The results are shown in Table 2. The modified pectin sample obtained by the integrated device for induction magnetic field carriers in Example 2 showed significant changes in its performance indicators, including polydispersity index, cold water solubility, and gel strength, resulting in a significant improvement in functionality.

[0089] Comparative Example 2

[0090] This comparative example refers to Embodiment 2, which uses an 80-unit magnetic core structure (e.g., the structure disclosed in CN119400542A). Please refer to [link / reference needed]. Figure 6 The data includes liquid samples (pectin solution derived from citrus peel), sample conductivity, throughput, initial temperature, final temperature, number of magnetic ring inductors, dimensions, size, material, and number of turns of Litz wire windings. n =2) The frequency and electrical connection method are the same as in Example 2, but an independent parallel connection is set. Please refer to [link / reference]. Figure 12 The magnetically coupled integrated ring structure of the present invention is not adopted.

[0091] In this comparative example, the sample placement tube 103 is a spirally distributed multilayer PFA coil with an inner diameter of 8 mm. The sample placement tube 103 is wound around both sides of each magnetic ring inductor coil, ensuring that the total liquid holding capacity of the 80 magnetic ring inductor coils in the sample placement tube 103 is consistent with that in Example 2, i.e., the sample volume during magnetoelectric coupling is consistent. Simultaneously, an excitation voltage of 107 V, different from that in Example 2, is used for excitation. At this time, the magnetic ring inductor coils are in a saturated working magnetic flux density of 1 T. The screw pump flow rate is adjusted to ensure that 100 kg of liquid sample reaches the same endpoint temperature (70°C) as in Example 2 during its residence time when flowing through the sample placement tube 103. The temperature rise rate is only 12.0°C / min. Simultaneously, the induced magnetic field of the liquid sample in the sample placement tube 103 is detected as 6 μT using a current transformer and oscilloscope, and the induced electric field of the liquid sample in the sample placement tube 103 is detected as 24.5 V / cm using a probe and oscilloscope. The detection method and detection location are as follows. Figure 8 As shown, after completion, samples flowing out of the outlet are collected for subsequent functional evaluation.

[0092] In this comparative example, the polydispersity index (PDI value, i.e., molecular weight distribution coefficient), cold water solubility, gel strength, and the temperature rise rate per 100 kg of sample during the treatment process, the induced electric field strength inside the sample, the induced magnetic field strength inside the sample, the input power, the heating power, the heat dissipation power, and the energy efficiency (heating power / input power × 100) were used as evaluation indicators for the raw materials before and after treatment. The measurement methods were the same as in Example 2.

[0093] The results of Comparative Example 2 and Example 2 are compared in Table 2. It can be seen that under the same conditions of the number of magnetic ring inductors, excitation parameters, magnetic ring material and size configuration, without the use of magnetic coupling integrated components, i.e. without the use of integrated magnetic ring inductor structure configuration, when processing samples of the same properties and mass, and with the same initial and final sample temperatures, the temperature rise rate, energy efficiency, induced electric / magnetic field intensity, and functional characteristics of modified pectin in Comparative Example 2 are all worse than those in Example 2. Moreover, the heat dissipation power of Comparative Example 2 is greater, indicating that the device in Comparative Example 2 has more energy loss. This is because in order to achieve the same sample final temperature, i.e., processing temperature as in Example 2, the magnetic ring inductor needs to operate close to the saturation magnetic flux density point, resulting in greater heat loss, lower active power, smaller raw material temperature rise, and poorer energy utilization.

[0094] Table 2 Comparison of application effects between Example 2 and Comparative Example 2

[0095] Compared with Example 1, Example 2 has a more concentrated distribution of magnetic ring inductor coil structure, so the energy efficiency of the integrated device for induction magnetic field carrier in Example 2 is also relatively high.

[0096] In summary, compared with the same number of independently set magnetic ring inductor coil devices used in the comparative examples, the magnetic coupling integrated component in the embodiments of the present invention adopts a completely new structural principle, which significantly improves energy efficiency (by about 3 times).

[0097] It should be understood that the above embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An integrated device for inducing an induced electric / magnetic field in a liquid sample, characterized in that, include: A magnetically coupled integrated component includes N magnetic ring inductors, which are combined into one or more magnetic ring inductor groups. M magnetic ring inductors within each group are arranged sequentially along a selected trajectory. The windows of the M magnetic ring inductors within each group are sequentially connected to form a hollow structure. Each magnetic ring inductor includes a magnetic ring and a winding wound around the magnetic ring. The winding is electrically connected to a power source and configured to convert the current supplied by the power source into a medium-frequency induced magnetic field. At least one sample placement tube, at least a portion of which is disposed within the hollow structure of the magnetically coupled integrated assembly and passes through the windows of M magnetic ring inductor coils, wherein the sample placement tube is used to contain liquid samples and allows continuous flow of liquid samples, and the intermediate frequency induced magnetic field can induce an induced electric / magnetic field in the liquid sample within the sample placement tube, where N≥M≥2.

2. The integrated device for inducing induced electric / magnetic fields in liquid samples according to claim 1, characterized in that: The N magnetic ring inductors have the same or different structural configurations, and the intermediate frequency induced magnetic fields formed by the N magnetic ring inductors are the same or different. Preferably, the working magnetic flux density of the intermediate frequency induced magnetic field formed by a single magnetic ring inductor coil is 0.2 T to 1.0 T, and the magnetic field frequency is 5 kHz to 100 kHz; Preferably, the intermediate frequency induced magnetic field is an alternating magnetic field or a pulsed magnetic field; Preferably, the excitation voltage waveform of the intermediate frequency induced magnetic field is one or a combination of two or more of the following: sawtooth wave, spike wave, square wave, pulse wave, and sine wave.

3. The integrated device for inducing induced electric / magnetic fields in liquid samples according to claim 1 or 2, characterized in that: The effective cross-sectional area of ​​the magnetic circuit of a single magnetic ring inductor coil in the magnetic coupling integrated assembly is 0.8 cm² to 200 cm².

4. The integrated device for inducing induced electric / magnetic fields in liquid samples according to claim 1, characterized in that: The selected trajectory is a closed geometric trajectory, the window plane of the magnetic ring inductor coil is not parallel to the surface enclosed by the geometric trajectory, and the magnetic ring inductor coil group presents an overall ring structure. Preferably, the geometric trajectory is a planar geometric trajectory, which can be a regular or irregular geometric trajectory. Preferably, the regular graphic trajectory includes a circular trajectory or a polygonal trajectory; Preferably, the selected trajectory is a circular trajectory, the ring structure is a circular ring structure, and the M magnetic ring inductor coils are radially distributed with the geometric center of the circular trajectory as the center, and the window plane of the magnetic ring inductor coils intersects with the surface enclosed by the circular trajectory; Alternatively, the selected trajectory is a rectangular trajectory, the ring structure is a rectangular ring structure, and the M magnetic ring inductor coils are arranged sequentially along the long side and / or the wide side of the rectangular trajectory, with the window plane of the magnetic ring inductor coil intersecting the surface enclosed by the rectangular trajectory; Alternatively, the selected trajectory is a rectangular trajectory, the ring structure is a rectangular ring structure, and the M magnetic ring inductor coils are radially distributed around the geometric center of the rectangular trajectory, with the window plane of the magnetic ring inductor coils intersecting the surface enclosed by the rectangular trajectory.

5. The integrated device for inducing induced electric / magnetic fields in liquid samples according to claim 1, characterized in that: The selected trajectory is a linear trajectory, the window plane of the magnetic ring inductor is parallel to the radial section of the hollow structure, and the magnetic ring inductor group presents a columnar structure; Preferably, the selected trajectory is a straight line trajectory, and the central axis of the hollow structure is parallel to the straight line trajectory.

6. The integrated device for inducing an induced electric / magnetic field in a liquid sample according to claim 1, 4, or 5, characterized in that: The sample tube passes through the windows of the M magnetic rings in the magnetic ring inductor coil group; And / or, the portion of the sample tube located within the hollow structure is a columnar structure, an annular structure, or a spiral structure; And / or, the portion of the sample placement tube located within the hollow structure includes one or more annular tube segments, wherein the multiple annular tube segments are formed by winding the sample placement tube in a planar spiral or axial spiral shape; Preferably, multiple annular pipe segments are arranged sequentially along the axial direction of the annular / spiral structure they form, or nested sequentially along the radial direction of the annular / spiral structure they form. And / or, the portion of the sample placement tube located in the hollow region of the magnetic coupling integrated assembly includes one or more cylindrical tube segments, wherein the multiple cylindrical tube segments are formed by the parallel arrangement of the sample placement tube; And / or, the sample placement tube includes one or more branch structures that form a closed loop; And / or, the sample placement tube is disposed within a sleeve, and the sleeve is disposed within the hollow structure.

7. The integrated device for inducing a generated electric / magnetic field in a liquid sample according to claim 1, characterized in that, Also includes: A cooling module is provided to regulate the operating temperature of the magnetically coupled integrated component.

8. A method for altering the physicochemical properties of a liquid sample, characterized in that, include: Provide an integrated device for inducing an induced electric / magnetic field in a liquid sample, as described in any one of claims 1-7; A liquid sample is placed into the sample tube, and the windings of N magnetic ring inductors are connected to a power source, so that the magnetic ring inductors form a medium-frequency induced magnetic field. The medium-frequency induced magnetic field induces an induced electric / magnetic field in the liquid sample in the sample tube.

9. The method for changing the physicochemical properties of a liquid sample according to claim 8, characterized in that: The working magnetic flux density of the intermediate frequency induced magnetic field formed by a single magnetic ring inductor coil is 0.2 T to 1.0 T, the magnetic field frequency is 5 kHz to 100 kHz, the electric field strength of the induced electric field of the liquid sample is 0.1 V / cm to 300 V / cm, and the magnetic field strength of the induced magnetic field of the liquid sample is 1 μT to 200 μT. Preferably, the intermediate frequency induced magnetic field is an alternating magnetic field or a pulsed magnetic field; Preferably, the waveform of the excitation voltage of the intermediate frequency induced magnetic field is one or a combination of two or more of the following: sawtooth wave, spike wave, square wave, pulse wave, and sine wave. And / or, the conductivity of the liquid sample is 0.01 S / m to 18.0 S / m; And / or, the method for changing the physicochemical properties of the liquid sample includes: keeping the liquid sample in the sample tube in a static or flowing state.

10. The method for changing the physicochemical properties of a liquid sample according to claim 8, characterized in that, include: The operating temperature of the magnetically coupled integrated component is maintained between 30°C and 130°C.

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