Electromagnetic induction heating column sheet type reactor for catalytic reaction and working method of electromagnetic induction heating column sheet type reactor

Abstract

The invention belongs to the field of array plate type reactors, and discloses an electromagnetic induction heating array plate type reactor for catalytic reaction and a working method of the electromagnetic induction heating array plate type reactor. Each side wall of the polygonal reactor shell is provided with an electromagnetic induction coil which is independently controlled; two ends of the polygonal reactor shell are opened, and a column-sheet type carrier unit is arranged in the polygonal reactor shell; a catalyst is arranged on the column sheet type carrier unit; the electromagnetic induction coil is used for being connected with a power supply and adjusting the temperature of the inner wall of the polygonal reactor shell, the column piece type carrier unit and / or the catalyst under the excitation of the power supply. The reaction zone can be heated from different angles, the electromagnetic induction temperature at each angle is independent and controllable, the omnibearing accurate temperature control of the target reaction zone is realized, and different heating requirements caused by different catalytic efficiency, reactant concentration, heat dissipation speed and the like at different positions in the column sheet type reactor are met; the device has the advantages of high heating speed, high efficiency and easiness in control.

Description

Technical Field

[0001] The invention belongs to the field of sheet-type reactors and relates to an electromagnetic induction heating sheet-type reactor for catalytic reaction and a working method thereof. Background Art

[0002] The plate-type reactor is a highly efficient chemical equipment that promotes the chemical conversion of reactants through built-in catalysts to generate target products. During the reaction process, the accompanying chemical exothermic or endothermic phenomenon will directly affect the internal temperature environment of the reactor. Although the plate-type design improves the heat exchange efficiency to a certain extent, the lack of a precise temperature control mechanism leads to uneven temperature distribution inside the reactor when dealing with strong exothermic or endothermic reactions, and the local temperature is too high or too low.

[0003] This condition will not only cause the shell and internal structure of the reactor to be subjected to long-term high stress, accelerate its fatigue damage and cause safety hazards, but also significantly shorten the service life of the catalyst, increase the replacement frequency, and thus reduce the reaction efficiency and increase the operating cost. At the same time, uneven temperature conditions may also promote the formation of by-products, affect the purity and selectivity of the product, and be unfavorable to large-scale industrial production.

[0004] For certain reaction types that require high temperature conditions to promote reaction rate and improve catalyst efficiency, the traditional approach is to install a surrounding heating device on the periphery of the column-type reactor to increase the overall temperature. However, this heating method has obvious limitations: first, it is difficult to achieve uniform heating inside the reactor, and the temperature control accuracy is limited; second, it ignores the differences in heating requirements in different areas of the reactor due to differences in catalytic efficiency, uneven distribution of reactant concentrations, and different heat dissipation rates, and cannot provide precise directional heating. Summary of the invention

[0005] The object of the present invention is to overcome the above-mentioned shortcomings of the prior art and to provide an electromagnetic induction heating plate-type reactor for catalytic reactions and a working method thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: According to a first aspect of the present invention, there is provided an electromagnetic induction heating plate-type reactor for catalytic reactions, comprising a polygonal reactor shell; each side wall of the polygonal reactor shell is provided with an independently controlled electromagnetic induction coil; the polygonal reactor shell is open at both ends, and a plate-type carrier unit is provided inside; a catalyst is provided on the plate-type carrier unit; the electromagnetic induction coil is used to connect to a power source, and adjust the temperature of the inner wall of the polygonal reactor shell, the plate-type carrier unit and / or the catalyst under the excitation of the power source.

[0007] Optionally, the electromagnetic induction coil is arranged on the side wall of the polygonal reactor shell in a patch-type or embedded manner, and at least two independently controlled electromagnetic induction coils are arranged on each side wall of the polygonal reactor shell.

[0008] Optionally, the sheet-type carrier unit includes a retaining frame and a plurality of catalyst carriers; the plurality of catalyst carriers are arranged on the retaining frame at intervals; and the retaining frame is used to retain the plurality of catalyst carriers inside the polygonal reactor shell.

[0009] Optionally, the catalyst is disposed on the surfaces of several catalyst carriers in the form of a coating.

[0010] Optionally, the plurality of catalyst carriers are all metal mesh structures, the catalyst is arranged in the mesh of the metal mesh structure in the form of particles, and a gap is left between the mesh of the metal mesh structure and the catalyst for reactants and products to pass through.

[0011] Optionally, a reactor inlet and a reactor outlet are respectively provided on the openings at both ends of the polygonal reactor shell; the reactor inlet gradually expands along the flow direction of the reactants, and the reactor outlet gradually contracts along the flow direction of the reactants.

[0012] Optionally, a docking portion is provided on the reactor outlet; the docking portion can dock with the reactor inlet or the inlet of a lower-level device.

[0013] Optionally, a sealing ring is provided on the docking portion; the sealing ring is used to seal the gap between the docking portion and the reactor inlet or the gap between the docking portion and the inlet of the lower device.

[0014] Optionally, it also includes a plurality of temperature collection devices; the plurality of temperature collection devices are respectively arranged in a plurality of set areas inside the polygonal reactor shell, and collect real-time temperatures of the plurality of set areas.

[0015] According to a second aspect of the present invention, there is provided a working method of the above-mentioned electromagnetic induction heating array-type reactor for catalytic reaction, comprising: connecting the electromagnetic induction coil to an external power source; reactants flow into the interior of the polygonal reactor shell from an opening at one end of the polygonal reactor shell at a set ratio and flow rate, and react with the catalyst on the array-type carrier unit, and the product after the reaction flows out from the opening at the other end of the polygonal reactor shell; wherein, during the reaction, the power output from the power source to each electromagnetic induction coil is adjusted so that the temperature of each target area of ​​the polygonal reactor shell, the array-type carrier unit and / or the catalyst can be adjusted to a target value through each electromagnetic induction coil.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The electromagnetic induction heating lamella reactor for catalytic reaction of the present invention is provided with a separately controlled electromagnetic induction coil on each side wall of the polygonal reactor shell. This design can realize heating of the reaction zone from different angles, and the electromagnetic induction temperature at each angle is independently controllable, thereby realizing all-round precise temperature control of the target reaction zone, effectively meeting the different heating requirements caused by different catalytic efficiency, reactant concentration and heat dissipation speed at different positions in the lamella reactor. At the same time, the electromagnetic induction heating method is adopted, which has the advantages of fast heating speed, high efficiency and easy control. The electromagnetic induction coil can directly adjust the temperature of the polygonal reactor shell, the lamella carrier unit and the catalyst, and can accurately control the optimal reaction temperature. It is particularly suitable for catalytic reactions that require precise temperature control, and realizes the improvement of catalyst utilization in the reaction process, which not only reduces the replacement frequency of the catalyst and reduces the catalyst cost, but also improves the reaction efficiency. Because of the improvement in reaction efficiency, the reactor can be of a shorter length, thereby reducing the cost of the reactor. The electromagnetic induction heating lamella reactor can adjust the temperature distribution state, greatly reduce the high stress state that may exist in the polygonal reactor shell and internal structural parts, protect the reactor, and improve the safety of the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic cross-sectional structure diagram of an electromagnetic induction heating array-type reactor for catalytic reaction according to an embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the external structure of an electromagnetic induction heating array reactor for catalytic reaction according to an embodiment of the present invention.

[0019] Among them: 1-reactor inlet; 2-polygonal reactor shell; 3-retaining frame; 4-catalyst carrier; 5-electromagnetic induction coil; 6-reactor outlet. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0021] It should be noted that the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatus.

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings: See also Figure 1 and 2 In one embodiment of the present invention, an electromagnetic induction heating plate-type reactor for catalytic reaction is provided, comprising a polygonal reactor shell 2.

[0023] An individually controlled electromagnetic induction coil 5 is disposed on each side wall of the polygonal reactor shell 2; the polygonal reactor shell 2 is open at both ends, and a plate-type carrier unit is disposed inside; a catalyst is disposed on the plate-type carrier unit; the electromagnetic induction coil 5 is used to connect to a power source, and to adjust the temperature of the polygonal reactor shell 2, the plate-type carrier unit and / or the catalyst under the excitation of the power source.

[0024] Explanatory note, the inner wall of the polygonal reactor shell 2, the array of plate-type carrier units and the catalyst can all be made of materials that can be heated by electromagnetic induction, and the inner wall of the polygonal reactor shell 2, the array of plate-type carrier units and the catalyst can then be heated according to reaction requirements.

[0025] The polygonal reactor shell 2 may be a quadrilateral shell, a pentagonal shell, etc., but is not limited thereto, and may be specifically designed according to actual application conditions (such as reaction heating requirements).

[0026] The embodiment of the present invention discloses an electromagnetic induction heating lamella reactor for catalytic reaction, which is particularly suitable for catalytic reaction process. The lamella reactor is provided with individually controlled electromagnetic induction coils 5 on each side wall of the polygonal reactor shell 2. Based on this design, the electromagnetic induction coils 5 provided on each side wall of the polygonal reactor shell 2 can realize electromagnetic induction heating of a single side wall, part of the side walls or all the side walls according to the actual reaction situation and the required reaction temperature, thereby realizing heating of the reaction zone from different angles, and the electromagnetic induction temperature at each angle is independently controllable, further realizing all-round precise temperature control of the target reaction zone, effectively meeting the different heating requirements caused by different catalytic efficiency, reactant concentration and heat dissipation speed at different positions in the lamella reactor, and is particularly suitable for polygonal shells.

[0027] At the same time, the electromagnetic induction heating method has the advantages of fast heating speed, high efficiency and easy control. The electromagnetic induction coil 5 can directly adjust the temperature of the polygonal reactor shell 2, the array-type carrier unit and the catalyst, and can accurately control the optimal reaction temperature. It is particularly suitable for catalytic reactions that require precise temperature control, and can improve the utilization rate of the catalyst during the reaction process. This not only reduces the frequency of catalyst replacement and reduces the cost of the catalyst, but also improves the reaction efficiency. In addition, due to the improvement in reaction efficiency, the reactor can adopt a shorter length, thereby reducing the cost of the reactor.

[0028] In addition, based on the independently set and individually controlled electromagnetic induction coil 5, the electromagnetic induction heating array reactor can adjust the temperature distribution state, greatly reducing the high stress state that may exist in the polygonal reactor shell 2 and internal structural parts, protecting the reactor, and improving the safety of the production process.

[0029] In a possible implementation, the electromagnetic induction coil 5 is disposed on the side wall of the polygonal reactor shell 2 in a patch-type or embedded manner, and at least two independently controlled electromagnetic induction coils 5 are disposed on each side wall of the polygonal reactor shell 2 .

[0030] Specifically, the electromagnetic induction coil 5 is specially designed to be fixed or embedded in the side wall of the polygonal reactor shell 2 in a patch-type or embedded manner. This arrangement ensures the close combination of the electromagnetic induction coil 5 and the polygonal reactor shell 2, which is conducive to the efficient transmission of electromagnetic energy. Secondly, at least two electromagnetic induction coils 5 are arranged on each side wall of the polygonal reactor shell 2. This means that no matter which direction the reactor is in, the electromagnetic induction coil 5 can act, and can act separately at different positions of the same side wall, ensuring the uniform and directional generation of the electromagnetic field. Furthermore, these electromagnetic induction coils 5 can be controlled separately. This means that according to the needs of the reaction, the working state of each electromagnetic induction coil 5 can be flexibly adjusted, such as turning on, off or adjusting its power. This flexibility makes the reaction process more controllable, and fine adjustments can be made according to actual conditions to achieve the best reaction effect.

[0031] In practical applications, this setting is very suitable for catalytic reactions that require precise control of temperature and reaction rate. By adjusting the working state of each electromagnetic induction coil 5, the reaction process can be finely controlled, thereby improving reaction efficiency, reducing energy consumption and optimizing product quality.

[0032] In a possible implementation, the sheet-type carrier unit includes a retaining frame 3 and a plurality of catalyst carriers 4; the plurality of catalyst carriers 4 are arranged on the retaining frame 3 at intervals; and the retaining frame 3 is used to retain the plurality of catalyst carriers 4 inside the polygonal reactor shell 2.

[0033] Specifically, the catalyst carrier 4 and the retaining frame 3 together constitute the core part of the reactor, which is used to support and distribute the catalyst to promote the chemical reaction. The catalyst carrier 4 is arranged on the retaining frame 3 at intervals. This spacing arrangement helps to ensure that the reactants can evenly contact the catalyst, thereby improving the catalytic efficiency. At the same time, the spacing arrangement also helps to prevent excessive accumulation between the catalyst carriers and maintain good permeability of the reactor. Furthermore, the main function of the retaining frame 3 is to fix and support the catalyst carrier 4, ensuring that they can be stably maintained inside the polygonal reactor shell 2.

[0034] Exemplarily, the retainer 3 can be connected to the inner wall of the polygonal reactor shell 2 by a fixed connection, or directly placed inside the polygonal reactor shell 2 in a spatially limited manner. Among them, the fixed connection method can be a bolt fixing method and a welding fixing method. Among them, when the bolt fixing method is adopted, a series of bolt holes can be pre-designed and installed on the inner wall of the polygonal reactor shell 2, and the edge or specific position of the retainer 3 is designed with corresponding bolt holes. The bolts pass through the bolt holes of the retainer 3 and the polygonal reactor shell 2, and are tightened with nuts to fix the retainer 3 inside the polygonal reactor shell 2. When the welding fixing method is adopted, during the manufacturing process of the polygonal reactor shell 2, some supporting structures or fixing points are pre-welded at specific internal positions. The retainer 3 is designed with matching connecting parts, such as card slots and hooks. When the reactor is assembled, the connecting part of the retainer 3 is connected to the supporting structure or fixing point, and the retainer 3 is fixed by welding or other fixing methods (such as riveting and bonding).

[0035] In one possible embodiment, the catalyst is provided on the surface of several catalyst carriers 4 in the form of a coating. Specifically, the coating form can ensure that the catalyst is evenly covered on the entire surface of the catalyst carrier 4, thereby greatly increasing the contact area between the reactant and the catalyst. In addition, the form and thickness of the coating can be adjusted according to the specific reaction requirements to optimize the reaction conditions. For example, by adjusting the thickness and composition of the coating, the activity and selectivity of the catalyst can be controlled, thereby achieving more precise reaction control. In addition, when the catalyst is deactivated or needs to be replaced, since the catalyst is in the form of a coating, it can be more easily replaced or regenerated, which reduces maintenance costs and improves flexibility and operability.

[0036] In a possible implementation, the plurality of catalyst carriers 4 are all metal mesh structures, the catalyst is arranged in the mesh of the metal mesh structure in the form of particles, and a gap is left between the mesh of the metal mesh structure and the catalyst for reactants and products to pass through.

[0037] Specifically, the pore size of the metal mesh structure depends on the size of the catalyst particles, and its main purpose is to fix the catalyst particles while ensuring the smooth passage of reactants and products.

[0038] Based on the above design, the catalyst particles are directly exposed to the reactants, so that the reactants can fully contact the active sites of the catalyst, thereby improving the catalytic efficiency. In addition, the metal mesh structure serves as a support to ensure the dispersion and stability of the catalyst particles. In addition, there is enough gap between the grid of the metal mesh structure and the catalyst particles, which allows reactants and products to flow freely in the catalyst bed. This design reduces the pressure drop of the bed, improves the processing capacity of the reactor, and helps prevent blockage and coking. At the same time, the metal mesh structure has good thermal conductivity and can quickly transfer heat, which helps to control the reaction temperature and prevent overheating or low temperature.

[0039] In a possible implementation, a reactor inlet 1 and a reactor outlet 6 are respectively provided on the two end openings of the polygonal reactor shell 2; the reactor inlet 1 gradually expands along the reactant flow direction, and the reactor outlet 6 gradually contracts along the reactant flow direction.

[0040] Specifically, the reactor inlet 1 gradually expands along the reactant flow direction, which means that the pipe or channel entering the reactor from the outside gradually becomes larger to adapt to the larger space inside the reactor. The gradually expanding inlet design allows the reactants to enter the reactor more smoothly, which is conducive to the uniform distribution of the reactants on the catalyst surface, thereby improving the catalytic efficiency. At the same time, it can also reduce the impact of the reactants on the reactor wall and extend the service life of the reactor.

[0041] The reactor outlet 6 tapers along the reactant flow direction, meaning that the pipe or channel flowing out from the reactor interior gradually becomes smaller. This design helps to form a certain pressure at the outlet, promotes the smooth discharge of reactants, and prevents the pressure inside the reactor from being too high. The tapered outlet design can make the reaction products more concentrated when leaving the reactor, which is conducive to improving the collection efficiency of the products. At the same time, it can also control the pressure and flow rate inside the reactor by adjusting the size of the outlet, thereby achieving fine control of the reaction process.

[0042] In a possible implementation manner, a docking portion is provided on the reactor outlet 6; the docking portion can dock with the reactor inlet 1 or the inlet of a lower-level device.

[0043] Specifically, the main function of the docking part is to serve as a connecting bridge between the reactor outlet 6 and other equipment (such as a lower reactor, a separator and a storage tank, etc.) or a pipeline. Through the docking part, the reaction product can be smoothly transferred from the reactor to the subsequent processing equipment. In addition, the docking part is designed to be docked with the reactor inlet 1 to connect multiple sheet-type reactors to form a sheet-type reactor system.

[0044] For example, a laminar reactor system can be composed of a plurality of laminar reactors connected together. When a single laminar reactor is working, reactants flow in from the reactor inlet 1 according to a set ratio and flow rate, undergo catalytic reaction inside the polygonal reactor shell 2, and then flow out from the reactor outlet 6 and are collected or enter the next laminar reactor. The ratio, flow rate and temperature of reactants flowing in through the reactor inlet 1 can be set according to actual chemical production needs, and the number of laminar reactor connections can also be adjusted adaptively.

[0045] In a possible implementation, a sealing ring is provided on the docking portion; the sealing ring is used to seal the gap between the docking portion and the reactor inlet 1 or the gap between the docking portion and the inlet of the lower device. Explanatory, the sealing ring provided on the docking portion functions to tightly seal the small gap between the docking portion and the reactor inlet 1 or the inlet of the lower device to ensure that the fluid in the reaction process does not leak, thereby maintaining the sealing, safety and reaction efficiency of the system.

[0046] In a possible embodiment, the electromagnetic induction heating plate-type reactor for catalytic reaction also includes a plurality of temperature collection devices; the plurality of temperature collection devices are respectively arranged in a plurality of set areas inside the polygonal reactor shell 2, and collect real-time temperatures of the plurality of set areas.

[0047] Specifically, by designing multiple temperature acquisition devices, these devices are carefully deployed inside the polygonal reactor shell 2, covering multiple preset key areas. These temperature acquisition devices can monitor and accurately capture the temperature data of each key area in real time, provide detailed thermal environment feedback for the catalytic reaction, provide strong data support for the optimization of the reaction process and the control of the electromagnetic induction coil 5, further enhance the controllability and stability of the reaction process, and improve the efficiency of the catalytic reaction. Exemplarily, the temperature acquisition device can be an infrared radiation thermometer and an optical fiber temperature sensor.

[0048] In another embodiment of the present invention, a method for operating an electromagnetic induction heating plate-type reactor for catalytic reaction is provided, comprising the following steps: The electromagnetic induction coil 5 is connected to an external power source; the reactants flow into the polygonal reactor shell 2 from an opening at one end of the polygonal reactor shell 2 at a set ratio and flow rate, and react with the catalyst on the array-type carrier unit, and the product after the reaction flows out from the other end of the polygonal reactor shell 2; wherein, when the reaction is carried out, the power output from the power source to each electromagnetic induction coil 5 is adjusted, so that the temperature of each target area of ​​the polygonal reactor shell 2, the array-type carrier unit and / or the catalyst is adjusted to the target value through each electromagnetic induction coil 5.

[0049] Explanatory, the electromagnetic induction coil 5 is on each side wall of the array-type reactor, and electromagnetic induction heating is performed on the reaction area according to the reaction requirements. The reactants flow into the array-type carrier unit at a certain flow rate from the inlet, react with the catalyst on the array-type carrier unit to carry out catalytic reaction, and finally pass through the reactor and flow out from the bottom outlet or enter the next array-type reactor for further reaction.

[0050] The advantages of the electromagnetic induction heating array-type reactor for catalytic reaction and the use thereof for catalytic reaction of the present invention are that the reaction zone can be heated from different angles, and the electromagnetic induction temperature at each angle is independently controllable, and the target reaction is subjected to all-round and precise temperature control, which is more scientific than surround heating, significantly improves the catalyst utilization rate, improves the product generation rate, reduces the manufacturing cost, and the inner wall of the polygonal reactor shell 2, the array-type carrier unit and the catalyst can be made of electromagnetic induction heating materials as required, and then the power of the external power supply can be adjusted to adjust the required optimal temperature of induction heating to improve the reaction efficiency. The present invention has a reasonable design, a simple structure, and has important industrial value and economic advantages for enterprises.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. An electromagnetic induction heating plate reactor for catalytic reaction, characterized in that: It comprises a polygonal reactor shell (2); Each side wall of the polygonal reactor shell (2) is provided with an independently controlled electromagnetic induction coil (5); the polygonal reactor shell (2) is open at both ends, and a plate-type carrier unit is provided inside; a catalyst is provided on the plate-type carrier unit; the electromagnetic induction coil (5) is used to connect to a power source, and adjusts the temperature of the inner wall of the polygonal reactor shell (2), the plate-type carrier unit and / or the catalyst under the excitation of the power source.

2. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 1, characterized in that: The electromagnetic induction coil (5) is arranged on the side wall of the polygonal reactor shell (2) in a patch-type or embedded manner, and at least two independently controlled electromagnetic induction coils (5) are arranged on each side wall of the polygonal reactor shell (2).

3. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 1, characterized in that: The sheet-type carrier unit comprises a retaining frame (3) and a plurality of catalyst carriers (4); The plurality of catalyst carriers (4) are arranged at intervals on the retaining frame (3); the retaining frame (3) is used to retain the plurality of catalyst carriers (4) inside the polygonal reactor shell (2).

4. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 3, characterized in that: The catalyst is arranged on the surface of a plurality of catalyst carriers (4) in the form of a coating.

5. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 3, characterized in that: The plurality of catalyst carriers (4) are all metal mesh structures, the catalyst is arranged in the form of particles in the mesh of the metal mesh structure, and a gap is left between the mesh of the metal mesh structure and the catalyst for reactants and products to pass through.

6. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 1, characterized in that: A reactor inlet (1) and a reactor outlet (6) are respectively arranged on the openings at both ends of the polygonal reactor shell (2); the reactor inlet (1) gradually expands along the flow direction of the reactants, and the reactor outlet (6) gradually contracts along the flow direction of the reactants.

7. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 6, characterized in that: A docking portion is provided on the reactor outlet (6); the docking portion is capable of docking with the reactor inlet (1) or the inlet of a lower-level device.

8. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 7, characterized in that: A sealing ring is arranged on the docking portion; the sealing ring is used to seal the gap between the docking portion and the reactor inlet (1) or the gap between the docking portion and the inlet of the lower device.

9. The electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 1, characterized in that: It also comprises a plurality of temperature collection devices; the plurality of temperature collection devices are respectively arranged in a plurality of set areas inside the polygonal reactor shell (2), and collect real-time temperatures of the plurality of set areas.

10. A method for operating the electromagnetic induction heating plate-type reactor for catalytic reaction according to claim 1, characterized in that: include: Connecting the electromagnetic induction coil (5) to an external power source; The reactants flow into the interior of the polygonal reactor shell (2) from an opening at one end of the polygonal reactor shell (2) at a set ratio and flow rate, and react with the catalyst on the array-type carrier unit, and the product after the reaction flows out from the opening at the other end of the polygonal reactor shell (2); When the reaction is carried out, the power output by the power supply to each electromagnetic induction coil (5) is adjusted so that the temperature of each target area of ​​the polygonal reactor shell (2), the array-type carrier unit and / or the catalyst is adjusted to a target value through each electromagnetic induction coil (5).

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