Ultrahigh-temperature reactor and use method thereof

Abstract

The invention discloses an ultra-high temperature reactor and a use method thereof, and relates to the technical field of material production equipment, the ultra-high temperature reactor comprises a reaction bin, the reaction bin comprises a reaction tube and two sealing elements, the reaction tube is used for containing a reaction substance, the two sealing elements are arranged at the two ends of the reaction tube respectively, and the two sealing elements are used for blocking the two ends of the reaction tube; the electromagnetic generator comprises an electromagnetic coil and a power module, the circumferential direction of the reaction tube is sleeved with the electromagnetic coil, and the power module is communicated with the two ends of the electromagnetic coil and used for supplying power to the electromagnetic coil; the detection unit comprises a temperature sensor and a controller, the temperature sensor is used for detecting the temperature in the reaction tube, the controller is electrically connected with the power supply module and the temperature sensor, and the controller adjusts the working frequency of the electromagnetic coil by adjusting the output frequency of the power supply module according to the temperature detected by the temperature sensor. The device has the advantages that an external heat source is not needed, and the temperature of the heating reaction tube can be regulated as required.

Description

Technical Field

[0001] The present invention relates to the technical field of material production equipment, and in particular to an ultra-high temperature reactor and a method for using the same. Background Art

[0002] Ultrahigh-temperature reactors (UHT) are devices capable of performing chemical reactions or physical processes at extremely high temperatures. They are widely used in scientific research, industrial production, and other fields. They offer excellent high-temperature performance, precise pressure control, high safety, and a wide range of applications. With the continuous advancement of technology, UHT reactors will develop towards miniaturization, efficiency, intelligence, automation, and multifunctionality, providing even stronger support for scientific research and industrial production.

[0003] Ultra-high temperature reactors can be used to prepare various high-performance materials, such as nanomaterials, single-atom catalysts, high-entropy alloys, etc. By rapidly increasing and decreasing the temperature, materials with special properties can be prepared. The high-temperature reaction equipment in current ultra-high temperature reactors usually adopts tubular furnaces, vacuum furnaces and other equipment. These equipment can reach a temperature of about 1000°C, but the above equipment has the problems of slow heating and long reaction time. In practical applications, an external heating source, such as resistance heating or flame heating, is usually required to provide sufficient energy to realize the reaction under high temperature conditions. Although the above-mentioned external heat source solution can solve the problems of slow heating and long reaction time of high-temperature reaction equipment, the need for an external heat source causes a lot of energy transition to be wasted outside the reactor. At the same time, the temperature controllability of the external heat source is poor, and the heating temperature cannot be adjusted according to needs. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides an ultra-high temperature reactor and a method for using the same, which does not require an external heat source and can control the temperature of the heating reaction tube as needed.

[0005] The present invention provides an ultra-high temperature reactor, comprising: The reaction chamber comprises a reaction tube and two sealing members, wherein the reaction tube is used to hold the reaction material, and the two sealing members are respectively provided at both ends of the reaction tube and are used to seal the two ends of the reaction tube; An electromagnetic generator, comprising an electromagnetic coil and a power module, wherein the electromagnetic coil is sleeved around the reaction tube, the power module is connected to both ends of the electromagnetic coil, and the power module is used to provide power to the electromagnetic coil. When the electromagnetic coil is energized, an electromagnetic field is generated; The detection unit includes a temperature sensor and a controller. The temperature sensor is used to detect the temperature in the reaction tube. The controller is electrically connected to the power module and the temperature sensor. The controller adjusts the operating frequency of the electromagnetic coil by adjusting the frequency output by the power module according to the temperature detected by the temperature sensor, thereby regulating the intensity of the electromagnetic field. The reaction temperature in the reaction tube is regulated by regulating the intensity of the electromagnetic field.

[0006] Preferably, the electromagnetic coil is slidably connected to the circumference of the reaction tube along the length direction of the reaction tube.

[0007] Preferably, the sealing member comprises: a first cylinder, the diameter of which matches the inner diameter of the reaction tube, and the first cylinder is used to be sleeved inside the reaction tube; The second cylinder is arranged at one end of the first cylinder, and the diameter of the second cylinder is greater than the diameter of the first cylinder.

[0008] Preferably, the ratio of the length of the first cylinder to the length of the reaction tube is 1:10 to 1:2.

[0009] Preferably, the ratio of the length of the first cylinder to the length of the reaction tube is 1:4.

[0010] Preferably, the first cylinder and the second cylinder are made of conductive material, and the outer side walls of the first cylinder and the second cylinder are wrapped with a film, and the film is made of thermally and electrically conductive material.

[0011] Preferably, the first cylinder and the second cylinder are made of graphite material, and the film is copper foil.

[0012] Preferably, the electromagnetic coil is a variable frequency magnetic induction coil.

[0013] Preferably, the reaction tube is a quartz glass tube.

[0014] The present invention provides a method for using an ultrahigh temperature reactor, which is carried out using the ultrahigh temperature reactor and comprises the following steps: Seal one end of the reaction tube with one of the seals, fill the reaction tube with the reaction material, and compact the material in the reaction tube with the first cylinder of the other seal that is not covered with copper foil. After compaction, wrap the copper foil on the other seal and seal the other end of the reaction tube at the same time; Put the electromagnetic coil around the circumference of the reaction tube and then connect it to the power supply of the power module; Place the reaction tube with the electromagnetic coil into the flash evaporation equipment. After the parameters of the flash evaporation equipment are adjusted, the controller controls the power module to energize the electromagnetic coil and turn on the flash evaporation equipment switch to heat the reaction tube.

[0015] Compared with the prior art, the present invention discloses an ultra-high temperature reactor and a method of using the same, which have the following beneficial effects: This device can generate an electromagnetic field around the reaction tube by setting up an electromagnetic generator. First, the electromagnetic induction potential energy of the electromagnetic field and the Joule heat potential energy of the flash evaporation equipment are coupled to heat the reaction material. No external heat source is required, and rapid heating can be achieved, saving a lot of energy. Secondly, the intensity of the electromagnetic field is regulated by controlling the frequency output by the power module, and the reaction temperature in the reaction tube is regulated by regulating the intensity of the electromagnetic field. The heating temperature can be regulated as needed, and regulating the reaction temperature in the reaction tube can also control the size, shape and structure of the synthetic product, thereby achieving customization of material properties. Finally, by regulating the intensity of the electromagnetic field, the electronic microstructure of the reaction material can also be regulated to change the performance of the reaction material. In summary, this device does not require an external heat source, and can regulate the temperature of the heated reaction tube as needed, while achieving customization of material properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 Schematic diagram of the structure of the sealing element of the present invention.

[0018] Reference numerals: 1—reaction tube, 2—electromagnetic coil, 3—seal, 4—power module, 31—first cylinder, 32—second cylinder. DETAILED DESCRIPTION

[0019] A specific embodiment of the present invention is described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the technical solution of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise specified or limited, the term "connection" should be understood in a broad sense. For example, it can mean a fixed connection, a detachable connection, or an integral connection; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this application can be understood by those skilled in the art in specific circumstances.

[0022] Additionally, in the description of the present invention, "plurality" refers to two or more than two. The terms "first" and "second" are used for descriptive purposes only and should not be understood to imply or suggest relative importance or implicitly indicate the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0023] Example 1 The embodiment of the present invention provides an ultra-high temperature reactor such as Figure 1As shown, the apparatus comprises: a reaction tube 1, an electromagnetic generator, and a sealing member 3. The reaction tube 1 is placed in a heating device for heating. The heating can be performed using a Joule heat flash evaporation device. The flash evaporation device heats the reaction tube 1 by heating a liquid to generate water vapor. The reaction tube 1 contains a reactant, which is a high entropy alloy catalyst. In this embodiment, the reactant is a carbon-supported high entropy alloy precursor powder. By heating the reaction tube 1 using the flash evaporation device, carbon-supported high entropy alloy nanoparticles can be prepared in an extremely short time (e.g., 300 milliseconds), significantly reducing the time and energy consumption required for traditional high entropy alloy synthesis methods. The use of ultra-fast high-temperature heat can save a lot of energy. Different reactants can be selected according to the different materials to be prepared. Reaction tubes 1 of different sizes can be used according to the different amounts of raw materials required for the reaction. Here, size refers to the length, outer diameter, and inner diameter of the reaction tube 1. Reaction tubes 1 of different sizes can also be used to study the reaction degree of carbon-supported high entropy alloy precursors of different amounts under the coupling of electromagnetic induction and Joule heat, and compare the performance of the reaction products. By comparing the performance and quality of the products obtained from different reaction tubes 1, more variable production parameters can be set to meet different production needs.The electromagnetic generator is used to generate an electromagnetic field. The electromagnetic generator includes an electromagnetic coil 2, a power module 4, a temperature sensor and a controller. The electromagnetic coil 2 and the power module 4 are used to generate an electromagnetic field. The temperature sensor and the controller constitute a detection unit. The electromagnetic coil 2 is mounted on the circumference of the reaction tube 1, that is, the electromagnetic coil 2 is evenly wound around the circumference of the reaction tube 1 and covers the entire length of the reaction tube 1. The electromagnetic coil 2 is a variable frequency electromagnetic induction coil. The power module 4 is connected to both ends of the electromagnetic coil 2. The power module 4 is used to provide power to the electromagnetic coil 2. In this embodiment, the power module can use a rechargeable battery or connect to an external power supply and can automatically switch The working mode is to ensure continuous electromagnetic induction capability. The electromagnetic coil 2 generates an electromagnetic field in the environment of the power supply, providing a magnetic field to the reaction tube 1. Since the reaction tube 1 is used to prepare high entropy alloys, there are magnetic particles in the alloy. Under the action of the magnetic field, the electron spins of the alloy particles in the high entropy alloy synthesis process can be promoted to be arranged in parallel under the action of the magnetic field, thereby affecting the performance of the high entropy alloy. The temperature sensor is used to detect the temperature in the reaction tube 1 in real time. The controller is electrically connected to the power module 4 and the temperature sensor. The controller adjusts the working frequency of the electromagnetic coil 2 by adjusting the frequency output by the power module 4 according to the temperature detected by the temperature sensor, that is, the power module 4 provides the electromagnetic coil 2 with a magnetic field. After power is turned on, an electromagnetic field is generated. By adjusting the current density, reaction time, etc., the intensity of the electromagnetic field can be adjusted. At the same time, the electromagnetic induction potential energy of the electromagnetic field and the Joule heat potential energy of the flash evaporation equipment are used to heat the reactants in the reaction tube 1. The temperature in the reaction tube 1 can be heated faster by electromagnetic heating, and the upper limit of the temperature increase is higher. A higher temperature is conducive to the progress of the reaction and a more complete reaction, avoiding waste of materials. The coupling of the two heat supplies saves more time. At the same time, adjusting the intensity of the electromagnetic field is to adjust the heating temperature, thereby accurately controlling the size, shape and structure of the synthetic product, and controlling the induced current by changing the frequency of the current. The strength of the electromagnetic coil 2 generates heat of different intensities in the reaction tube 1, which helps to uniformly heat the reaction tube 1 at high temperature. The electromagnetic coil 2 evenly covers the entire reaction tube 1 and accurately controls the heating temperature, so that the carbon-loaded high-entropy alloy precursor can be quickly and evenly heated in the reaction tube 1, thereby enhancing the efficiency and completeness of the reaction. Because the current existing technology only uses a single Joule heat high-temperature shock material, due to the potential difference between the reaction chamber (reaction tube 1) and the two ends of the material, applying a large voltage at both ends to achieve Joule heat high-temperature shock will cause the material in the reaction chamber (reaction tube 1) to be heated unevenly, and the heat provided by the single Joule heat high-temperature shock is limited;Two seals 3 are provided at each end of the reaction tube 1, sealing the ends. This creates a relatively enclosed space and reduces the impact of other factors on the high-entropy alloy synthesis reaction. The seals 3 are detachably connected to the reaction tube 1. This detachable connection allows the reactants to be placed inside the reaction tube 1, sealed, and then heated in a heating device. This device is suitable for various chemical syntheses and catalytic reactions, particularly industrial production processes requiring higher reaction temperatures. Compared to traditional reactors, this device offers higher efficiency, lower energy consumption, and improved operational stability.

[0024] Working Principle: When energized, electromagnetic coil 2 generates an electromagnetic field. The intensity of the electromagnetic field is controlled by controlling the frequency output by power module 4, thereby manipulating the electronic microstructure of the reactants and changing their properties. Furthermore, the reaction temperature within reaction tube 1 is controlled by controlling the intensity of the electromagnetic field, thereby precisely controlling the size, shape, and structure of the synthesized product. Modulating the intensity of the electromagnetic field to alter the properties of the reactants is due to quantum spin exchange interactions, which are crucial for changing the electronic properties of materials. An electromagnetic generator is provided to generate an electromagnetic field circumferentially around reaction tube 1. Controlling the intensity of the electromagnetic field promotes parallel alignment of electron spins and enhances quantum spin exchange interactions. Specifically, this embodiment enhances the quantum spin exchange interactions of the reactants (high-entropy alloy catalyst) to reduce the catalyst's band gap (a catalyst's band gap is a key parameter in its electronic structure, representing the energy difference between the valence band and the conduction band). This electronic structure manipulation optimizes proton adsorption and desorption, thereby enhancing the electron transport performance of the catalytic reaction. This means that the electronic microstructure of the reactants is manipulated to alter and enhance their performance.

[0025] According to the description of the above working principle, the present device can generate an electromagnetic field around the reaction tube 1 by setting an electromagnetic generator. First, the electromagnetic induction potential energy of the electromagnetic field and the Joule heat potential energy of the flash evaporation equipment are coupled to heat the reaction material. No external heat source is required, and rapid heating can be achieved, saving a lot of energy. Secondly, the intensity of the electromagnetic field is regulated by controlling the frequency output by the power module 4, and the reaction temperature in the reaction tube 1 is regulated by regulating the intensity of the electromagnetic field, thereby accurately controlling the size, shape and structure of the synthetic product, thereby achieving customization of material properties. Moreover, the electromagnetic coil 2 evenly covers the entire reaction tube 1 and accurately controls the heating temperature, which can also improve temperature uniformity, making the temperature field in the reaction tube 1 uniformly distributed. Finally, by regulating the intensity of the electromagnetic field, the electronic microstructure of the reaction material can also be regulated to change the performance of the reaction material. In summary, the present device accurately controls the size, shape, structure and electronic microstructure of the synthetic product, thereby achieving customization of material properties.

[0026] Furthermore, the electromagnetic coil 2 is slidably connected to the circumference of the reaction tube 1 along the length direction of the reaction tube 1, that is, the electromagnetic coil 2 can be moved on the reaction tube 1 to adjust its position. Because the electromagnetic coil 2 is mounted on the circumference of the reaction tube 1, it can be directly moved when adjusting its position. At the same time, multiple temperature sensors can be set in the reaction tube 1 to detect the positions of various positions in the reaction tube 1. The position of the electromagnetic coil 2 is adjusted according to the detection results of the temperature sensors, which further facilitates the regulation of the heating temperature as needed.

[0027] Furthermore, the reaction tube 1 is a quartz glass tube. The quartz material can withstand high temperatures, and the use of a transparent glass tube can capture the wavelength of the reaction material through an infrared thermometer, thereby achieving the purpose of temperature measurement.

[0028] Example 2 As a further improvement on the embodiment 1, this embodiment provides a specific structure of a sealing member 3, such as Figure 2 As shown, further, the sealing member 3 includes: a first cylinder 31 and a second cylinder 32. The diameter of the first cylinder 31 matches the inner diameter of the reaction tube 1. The first cylinder 31 is used to be inserted into the reaction tube 1. The inner diameter of the first cylinder 31 matches the inner diameter of the reaction tube 1, which can seal the end of the reaction tube 1; the second cylinder 32 is arranged at one end of the first cylinder 31. The diameter of the second cylinder 32 is larger than the diameter of the first cylinder 31. The second cylinder 32 is easy to hold. At the same time, the step between the first cylinder 31 and the second cylinder 32 can be used to seal the gap between the first cylinder 31 and the end of the reaction tube 1, achieving a better sealing effect. The structure of the sealing member 3 in this embodiment can achieve the sealing of the end of the reaction tube 1. At the same time, the first cylinder 31 can be inserted after loading, which is convenient to operate.

[0029] Furthermore, when the ultra-high temperature reactor is placed in a flash evaporation device for heating, the first cylinder 31 and the second cylinder 32 are made of conductive materials, which are convenient for serving as electrodes of the reaction tube 1 and communicating with the flash evaporation device. The seal 3 is made of conductive materials as a whole. Figure 1 The power supply in the lower center represents the output of the flash evaporation device, and its input is connected to two seals 3. The flash evaporation device can be understood as a power source, and the two conductive seals 3 act as two electrodes. The flash evaporation device (i.e., the power source) applies a high-temperature thermal shock to the reactants within the reaction tube 1 at both ends, causing a reaction within the reaction tube 1. The outer walls of the first and second cylinders 31, 32 are coated with a film made of a thermally and electrically conductive material. This film further conforms to the inner diameter of the reaction tube 1, improving the sealing effect. Furthermore, the use of thermally and electrically conductive materials does not affect the heating of the reactants within the reaction tube 1.

[0030] Furthermore, the first cylinder 31 and the second cylinder 32 are made of graphite, i.e., the seal 3 is a piston-type graphite plug. Graphite has good conductivity, and the thin film is copper foil. The seal 3 made of graphite surrounded by copper foil can effectively prevent the raw materials from being ejected during the reaction. This embodiment limits the material of the seal 3, i.e., the first cylinder 31 and the second cylinder 32 are made of graphite with good guiding properties. If necessary, the first cylinder 31 and the second cylinder 32 can be surrounded by copper foil. This can prevent the reaction materials from being ejected due to an overly intense reaction when energy is initially supplied to both ends of the reaction tube 1.

[0031] Furthermore, the ratio of the length of the first cylinder 31 to the length of the reaction tube 1 is 1:10 to 1:2. When the reactants are filled, the first cylinder 31 is used to compact the materials, that is, the reactants are filled between the two first cylinders 31 of the sealing members 3 at both ends. The ratio of the length of the first cylinder 31 to the length of the reaction tube 1 determines the amount of reactants filled in the reaction tube 1. When the ratio of the length of the first cylinder 31 to the length of the reaction tube 1 is less than 1:10, it indicates that there is too much material in the reaction tube 1, which will cause uneven heating and affect the preparation of the material. When the ratio of the length of the first cylinder 31 to the length of the reaction tube 1 is greater than 1:2, it indicates that there is too little material in the reaction tube 1, resulting in too little material prepared at one time, reducing production efficiency. In this embodiment, the ratio of the length of the first cylinder 31 to the length of the reaction tube 1 is selected to be 1:10 to 1:2, which can ensure that the amount of material in the reaction tube 1 is appropriate.

[0032] Furthermore, the ratio of the length of the first cylinder 31 to the length of the reaction tube 1 is 1:4. Under this ratio, the amount of material is optimal, and the uniformity of material heating and the amount of prepared material can be comprehensively considered.

[0033] Among them, the other structures of this embodiment are consistent with those of Example 1, and are just optimizations made to Example 1.

[0034] Example 3 The embodiment of the present invention provides a method for using an ultrahigh temperature reactor, which is performed using the ultrahigh temperature reactors of Example 1 and Example 2, and includes the following steps: Step 1: Loading. Use one of the seals 3 to seal one end of the reaction tube 1. Fill the reaction tube 1 with the reactants. The reactants vary depending on the materials used. Use the first cylinder 31 of the other seal 3, which is not covered with copper foil, to compact the material in the reaction tube 1. After compaction, wrap the copper foil around the other seal 3 and seal the other end of the reaction tube 1. There may be a gap between the seal 3 and the quartz tube reaction chamber. Coating the outer side of the seal 3 with a layer of copper foil can prevent the material from spraying out during the reaction. Copper foil also has good thermal and electrical conductivity, so it will not affect the flash evaporation equipment's heating of the material.

[0035] Step 2: Generate an electromagnetic field to supply magnetism to the reaction tube 1. Place the electromagnetic coil 2 around the circumference of the reaction tube 1. After ensuring that the position is stable, connect the power supply module 4 to the power supply, but do not turn on the power supply module 4.

[0036] Step 3: Prepare Materials. The reaction tube 1, encased in the electromagnetic coil 2, is placed in the flash evaporation apparatus. Specifically, the seals 3 at both ends of the reaction tube 1 are connected to the flash evaporation apparatus. After the flash evaporation apparatus parameters are adjusted, the controller controls the power module 4 to energize the electromagnetic coil 2, turning on the power module 4 and simultaneously turning on the flash evaporation apparatus to heat the reaction tube 1. The electromagnetic generator generates an electromagnetic field. The intensity of the electromagnetic field is regulated by controlling the frequency output by the power module 4, thereby adjusting the electronic microstructure of the reactants and changing their properties. The intensity of the electromagnetic field is also regulated to control the reaction temperature within the reaction tube 1, thereby precisely controlling the size, shape, and structure of the synthesized product. This allows the electromagnetic induction potential energy and the Joule heat potential energy of the flash evaporation apparatus to act together on the reaction tube 1.

[0037] According to the above method, when using this ultra-high temperature reactor to prepare and produce carbon-loaded high entropy alloy, the specific work flow is as follows: During operation, the metal salt solution and the carbon source are mechanically stirred and mixed uniformly using a mechanical stirrer. Before implementation, a vacuum cavity or an inert gas protection space is formed in the reaction tube 1, and the inert gas is argon or helium.

[0038] After the material processing is complete, the carbon-supported high-entropy alloy precursor reactant is placed into the reaction tube 1 and compacted with the seal 3. After the carbon-supported high-entropy alloy material is completely filled, the seal 3 is covered with copper foil. The copper foil-covered seal 3 ensures vacuum or inert conditions within the reaction tube 1 and effectively prevents the material from being ejected during the reaction.

[0039] Place the electromagnetic coil 2 over the filled reaction tube 1, connect it to the power module 4, and place the reaction tube 1 in a flash evaporation device that generates Joule heat. Power is applied to both ends of the electromagnetic coil 2 and the seals 3 at both ends of the reaction tube 1 to initiate the reaction. For carbon-supported metal particles, high temperatures can also reduce metal salts to metal oxides or elemental metals. The ultra-fast heating and cooling rates allow the metal to be anchored to the carbon support.

[0040] According to the above method, when using this ultra-high temperature reactor to prepare and produce graphene materials, the specific workflow is as follows: During operation, the carbon black material is mechanically stirred and mixed uniformly with a mechanical stirrer. Before implementation, a vacuum cavity or an inert gas protection space is formed in the reaction tube 1, and the inert gas is argon or helium.

[0041] After the material processing is complete, the carbon black reactant is placed into reaction tube 1 and compacted with seal 3. After the material is filled, seal 3 is covered with copper foil. The copper foil-covered seal 3 ensures vacuum or inert conditions within reaction tube 1 and effectively prevents material from being ejected during the reaction.

[0042] After the material-filled reaction tube 1 is loaded with material, an electromagnetic coil 2 is installed. After connecting the power module 4, the reaction tube 1 is placed in a flash evaporation device that generates Joule heat. Power is applied to both ends of the electromagnetic coil 2 and, simultaneously, to the seals 3 at both ends of the reaction tube 1, to initiate the reaction. The high temperatures and stress waves generated within these plasma channels rapidly graphitize the material, transforming amorphous carbon into graphitized carbon. The stress waves then exfoliate the stacked graphite domains into a few or even single layers of graphene.

[0043] In summary, when preparing different materials, different reaction substances can be filled into the reaction tube 1.

[0044] The advantage of the present invention is that the device can generate an electromagnetic field in the circumference of the reaction tube by setting an electromagnetic generator. First, the electromagnetic induction potential energy of the electromagnetic field and the Joule heat potential energy of the flash evaporation equipment are coupled to heat the reaction material. No external heat source is required, and rapid heating can be achieved, saving a lot of energy. Secondly, the intensity of the electromagnetic field is regulated by controlling the frequency output by the power module, and the reaction temperature in the reaction tube is regulated by regulating the intensity of the electromagnetic field. The heating temperature can be regulated as needed, and regulating the reaction temperature in the reaction tube can also control the size, shape and structure of the synthetic product, thereby achieving customization of material properties. Finally, by regulating the intensity of the electromagnetic field, the electronic microstructure of the reaction material can also be regulated to change the performance of the reaction material. In summary, the device does not require an external heat source, and can regulate the temperature of the heated reaction tube as needed, while achieving customization of material properties.

[0045] The above disclosures are only a few specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the scope of protection of the present invention.

Claims

1. An ultra-high temperature reactor, characterized in that: include: A reaction chamber comprises a reaction tube (1) and two sealing members (3), wherein the reaction tube (1) is used to contain reaction substances, and the two sealing members (3) are respectively arranged at both ends of the reaction tube (1), and the two sealing members (3) are used to seal the two ends of the reaction tube (1); An electromagnetic generator comprises an electromagnetic coil (2) and a power module (4), wherein the electromagnetic coil (2) is sleeved around the circumference of the reaction tube (1), the power module (4) is connected to both ends of the electromagnetic coil (2), and the power module (4) is used to provide power to the electromagnetic coil (2). When the electromagnetic coil (2) is energized, an electromagnetic field is generated; The detection unit comprises a temperature sensor and a controller, wherein the temperature sensor is used to detect the temperature in the reaction tube (1); the controller is electrically connected to the power module (4) and the temperature sensor; the controller adjusts the operating frequency of the electromagnetic coil (2) by adjusting the frequency output by the power module (4) according to the temperature detected by the temperature sensor, thereby regulating the intensity of the electromagnetic field, and regulating the reaction temperature in the reaction tube (1) by regulating the intensity of the electromagnetic field.

2. An ultra-high temperature reactor according to claim 1, characterized in that: The electromagnetic coil (2) is slidably connected to the circumference of the reaction tube (1) along the length direction of the reaction tube (1).

3. The ultra-high temperature reactor according to claim 1, characterized in that: The sealing member (3) comprises: A first cylinder (31), the diameter of which matches the inner diameter of the reaction tube (1), and the first cylinder (31) is used to be sleeved inside the reaction tube (1); The second cylinder (32) is arranged at one end of the first cylinder (31), and the diameter of the second cylinder (32) is greater than the diameter of the first cylinder (31).

4. The ultrahigh temperature reactor according to claim 3, characterized in that: The ratio of the length of the first cylinder (31) to the length of the reaction tube (1) is 1:10 to 1:

2.

5. The ultra-high temperature reactor according to claim 4, characterized in that: The ratio of the length of the first cylinder (31) to the length of the reaction tube (1) is 1:

4.

6. The ultra-high temperature reactor according to claim 3, which is used for being placed in a flash evaporation device for heating, characterized in that: The first cylinder (31) and the second cylinder (32) are made of conductive material, and the outer side walls of the first cylinder (31) and the second cylinder (32) are wrapped with a film, which is made of thermally and electrically conductive material.

7. The ultrahigh temperature reactor according to claim 6, characterized in that: The first cylinder (31) and the second cylinder (32) are made of graphite material, and the film is copper foil.

8. The ultra-high temperature reactor according to claim 1, characterized in that: The electromagnetic coil (2) is a variable frequency magnetic induction coil.

9. The ultrahigh temperature reactor according to claim 1, characterized in that: The reaction tube (1) is a quartz glass tube.

10. A method for using an ultrahigh temperature reactor, using the ultrahigh temperature reactor according to claim 7, comprising the following steps: One end of the reaction tube (1) is sealed with one of the sealing members (3), the reaction tube (1) is filled with a reaction substance, and the material in the reaction tube (1) is compacted with the first cylinder (31) of the other sealing member (3) not covered with copper foil. After compaction, the copper foil is wrapped around the other sealing member (3), and the other end of the reaction tube (1) is sealed at the same time; The electromagnetic coil (2) is sheathed around the reaction tube (1), and then connected to the power supply of the power module (4); The reaction tube (1) covered with the electromagnetic coil (2) is placed in the flash evaporation device. After the parameters of the flash evaporation device are adjusted, the controller controls the power module (4) to energize the electromagnetic coil (2) and simultaneously turns on the flash evaporation device switch to heat the reaction tube (1).

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