A reaction kettle

Abstract

The utility model discloses a reaction kettle relates to reaction kettle technical field, including reaction kettle body, the detachable installation of wire mesh cage in the inside wall of reaction kettle body, wire mesh cage is used for accommodating solid catalyst and sets up in the top of reaction kettle body for the sealing of reaction kettle body reaction kettle cover and sets up in the solution stirring of reaction kettle cover for the stirring of reaction kettle body in. Through detachable installation wire mesh cage in the inside wall of reaction kettle body, through wire mesh cage accommodation solid catalyst, can realize the isolation of solid catalyst and stirring paddle, and stirring paddle only contacts with reaction raw material, thoroughly avoids the collision, friction of catalyst particle of stirring paddle shearing force, effectively protects the physical structure and active site of catalyst, and the catalyst supplement cost is greatly reduced, guarantees catalyst effective participation, improves product conversion rate, improves catalyst recovery efficiency, realizes the recycling, can be directly recycled for subsequent reaction, reduces production energy consumption and operating cost.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, and in particular to a reaction vessel. Background Technology

[0002] As the core equipment for chemical reactions, reaction vessels are widely used in industrial fields such as chemical synthesis, drug synthesis, and food processing. Their performance directly affects reaction efficiency, product quality, and production costs. In many chemical reactions (such as hydrogenation, oxidation, and esterification), solid catalysts are required to lower the activation energy and accelerate the reaction process. The stability and effective utilization rate of solid catalysts are key factors determining the reaction results.

[0003] In existing technologies, reactors typically employ a "stirred paddle + open reaction space" structure, with solid catalysts directly added to the reactor to mix with the reactants. This approach has several significant drawbacks: Severe catalyst wear and shortened lifespan: The high-speed rotation of the stirrer generates strong shear forces, causing direct collisions and friction between solid catalyst particles and the stirrer. This leads to breakage and reduced particle size, damaging the active sites of the catalyst and significantly shortening its lifespan. Frequent replenishment of the catalyst is necessary, increasing production costs. Low effective catalyst participation rate and impacted product conversion: During the reaction, some reactions generate gas. This gas flow easily carries catalyst particles upwards, adhering to the inner wall of the reactor top and detaching them from the reaction system. Adhered catalyst cannot continue to participate in the reaction, resulting in a continuous decrease in the effective catalyst amount within the reactor, a decline in the reaction rate, and a reduction in the conversion rate of the target product. Difficult catalyst recovery and recycling: After the reaction, the catalyst is directly mixed with the reaction products (mostly liquids or solid-liquid mixtures). Complex separation processes such as filtration and centrifugation are required to recover the catalyst, which is not only time-consuming but also prone to catalyst loss, making recycling difficult and further increasing production energy consumption and costs.

[0004] Therefore, there is an urgent need to design a reactor structure that can avoid catalyst wear, ensure effective catalyst participation in the reaction, and facilitate recovery, in order to overcome the shortcomings of existing technologies. Utility Model Content

[0005] The purpose of this invention is to provide a reaction vessel that reduces catalyst wear, ensures effective catalyst participation in the reaction and facilitates recovery, improves catalyst utilization efficiency, and enhances product purity.

[0006] To solve the above-mentioned technical problems, this utility model provides a reaction vessel, including a reaction vessel body, a wire mesh cage detachably installed on the inner side wall of the reaction vessel body, the wire mesh cage being used to contain a solid catalyst, a reaction vessel cover disposed on the top of the reaction vessel body for sealing the reaction vessel body, and a stirring paddle disposed on the reaction vessel cover for stirring the solution inside the reaction vessel body.

[0007] The reactor body is either cylindrical or conical, and can be made of 304 stainless steel, 316L stainless steel, glass, or ceramic.

[0008] It also includes multiple support bosses disposed on the inner side wall of the reactor body. The wire mesh cage is detachably installed to the reactor body through the support bosses. The support bosses are semi-circular support bosses or polygonal support bosses.

[0009] The plurality of supporting protrusions are located on the same plane and are evenly distributed circumferentially on the inner wall of the reactor body. The plurality of supporting protrusions at the same height form a supporting platform, and the plurality of supporting platforms are evenly distributed longitudinally on the inner sidewall of the reactor body.

[0010] The device also includes a drive assembly installed on the reactor cover for driving the agitator. The drive assembly includes a motor and a coupling. The motor is fixed to the center of the top of the reactor cover by bolts. The output shaft of the motor is connected to the agitator shaft installed on the reactor cover via the coupling, and drives the agitator to rotate through the agitator shaft. The agitator is a three-bladed spiral agitator, a propeller agitator, or a turbine agitator.

[0011] The wire mesh cage is either an annular wire mesh cage or a wire mesh cage with a regular polygonal cross-section.

[0012] The annular wire mesh cage includes an annular cage body, a cage cover disposed on the top of the annular cage body, and a flange structure disposed on the top edge of the annular cage body. The cage cover is snapped into the annular cage body or rotatably connected to the annular cage body via a hinge.

[0013] The annular wire mesh cage is a 304 stainless steel annular wire mesh cage or a 316L stainless steel annular wire mesh cage, and the mesh count of the annular wire mesh cage is 50-200 mesh.

[0014] The inner diameter of the annular cage is 0.8-0.9 times the inner diameter of the reactor body, and the height of the annular cage is 0.2-0.3 times the height of the reactor body.

[0015] The reactor cover is connected or snapped to the top flange of the reactor body, and a high-temperature resistant sealing gasket is provided between the reactor body and the reactor cover for sealing. The high-temperature resistant sealing gasket is a polytetrafluoroethylene high-temperature resistant sealing gasket, an asbestos rubber sheet sealing gasket, or a PTFE-coated high-temperature resistant sealing gasket.

[0016] The reaction vessel provided in this embodiment of the present invention has the following advantages compared with the prior art:

[0017] The reactor provided in this embodiment of the invention features a detachable wire mesh cage installed on the inner wall of the reactor body. The wire mesh cage holds the solid catalyst, effectively isolating the solid catalyst from the stirring paddle. The stirring paddle only contacts the reactants, completely avoiding collisions and friction between the catalyst particles and the shear force of the stirring paddle. This effectively protects the physical structure and active sites of the catalyst, significantly reducing catalyst replenishment costs, ensuring effective catalyst participation, improving product conversion rate, increasing catalyst recovery efficiency, and enabling recycling. After the reaction is complete, simply opening the reactor lid and removing the wire mesh cage allows for direct recovery of the internal catalyst without complex separation processes. The catalyst can be directly recycled for subsequent reactions, reducing production energy consumption and operating costs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the structure of an embodiment of the reaction vessel provided by this utility model;

[0020] Figure 2 A schematic diagram of the wire mesh cage structure of an embodiment of the reaction vessel provided by this utility model;

[0021] Figure 3 A top view of the internal structure of a reaction vessel according to an embodiment of the present invention;

[0022] Wherein: 1-Reaction vessel body; 11-Motor; 12-Fixing screw; 13-Reaction vessel cover; 14-Agitator; 15-Cylindrical stainless steel container; 16-Agitator shaft; 17-Supporting boss; 2-Wire mesh cage; 21-Cage cover; 22-Hinge; 23-Annular cage body. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please refer to Figures 1-3 , Figure 1 A schematic diagram of the structure of an embodiment of the reaction vessel provided by this utility model; Figure 2 A schematic diagram of the wire mesh cage structure of an embodiment of the reaction vessel provided by this utility model; Figure 3 This is a top view of the internal structure of an embodiment of the reaction vessel provided by this utility model.

[0025] In one specific embodiment, the reactor includes a reactor body 1, a wire mesh cage 2 detachably installed on the inner side wall of the reactor body 1, the wire mesh cage 2 being used to contain a solid catalyst, a reactor cover 13 disposed on the top of the reactor body 1 for sealing the reactor body 1, and a stirring paddle 14 disposed on the reactor cover 13 for stirring the solution inside the reactor body 1.

[0026] By detachably installing a wire mesh cage 2 on the inner wall of the reactor body 1, and using the wire mesh cage 2 to contain the solid catalyst, the solid catalyst can be isolated from the stirring paddle 14. The stirring paddle 14 only contacts the reaction raw materials, completely avoiding the collision and friction of the catalyst particles caused by the shear force of the stirring paddle 14. This effectively protects the physical structure and active sites of the catalyst, significantly reduces the cost of catalyst replenishment, ensures the effective participation of the catalyst, improves the product conversion rate, increases the catalyst recovery efficiency, and achieves recycling. After the reaction is completed, simply open the reactor lid 13 and remove the wire mesh cage 2 to directly recover the internal catalyst without the need for a complex separation process. It can be directly recycled for subsequent reactions, reducing production energy consumption and operating costs.

[0027] The reactor body in this application is used to provide a sealed space for the reaction. Depending on the needs of the reaction, it has corrosion resistance, high temperature resistance and mechanical strength, and is suitable for various reaction systems such as acid and alkaline. There are no limitations on the shape and material of the reactor body. The reactor body 1 is a cylindrical reactor body or a conical reactor body. The reactor body 1 is a 304 stainless steel reactor body, a 316L stainless steel reactor body, a glass reactor body or a ceramic reactor body.

[0028] In this application, the wire mesh cage 2 is installed on the reactor body 1. The method of disassembly and connection is not limited. In order to improve the convenience of installation, in one embodiment, the reactor also includes a plurality of support bosses 17 disposed on the inner side wall of the reactor body 1. The wire mesh cage 2 is detachably installed on the reactor body 1 through the support bosses 17. The support bosses 17 are semi-circular support bosses or polygonal support bosses.

[0029] By setting support bosses 17 on the inner wall of the reactor body 1, the wire mesh cage 2 is supported by the support bosses 17, thereby achieving stability and reliability of the support.

[0030] This application includes, but is not limited to, using the support boss 17 to support the wire mesh cage 2. It can also be fixed to the reactor cover 13, such as by snapping or bolting to the bottom of the reactor cover 13, or by using a hook-on to the top opening of the reactor body 1, or by using other structures to install the reactor cover wire mesh cage 2.

[0031] This application does not limit the number, position, shape, or distribution of the supporting bosses 17.

[0032] In one embodiment, a plurality of the supporting protrusions 17 are located on the same plane and are evenly distributed circumferentially on the inner wall of the reactor body 1. A plurality of supporting protrusions 17 at the same height form a supporting platform, and the plurality of supporting platforms are distributed longitudinally at equal intervals on the inner sidewall of the reactor body 1.

[0033] By setting multiple support protrusions 17 on the same plane and distributing them evenly around the circumference, the wire mesh cage 2 can be subjected to uniform force, and the catalyst particles will not concentrate in one position, thus improving the reliability of the catalyst.

[0034] Meanwhile, by setting multiple support platforms at the longitudinal height, the catalyst can be placed at different heights as needed, improving the flexibility of use.

[0035] During use, the reactor in this application requires stirring with a stirring paddle 14. Stirring can be performed through other mechanical transmission structures or manually driven. To improve the uniformity and reliability of stirring, in one embodiment, the reactor further includes a drive assembly disposed on the reactor cover 13 for driving the stirring paddle 14. The drive assembly includes a motor 11 and a coupling. The motor 11 is fixed to the center of the top of the reactor cover 13 by bolts. The output shaft of the motor 11 is connected to the stirring shaft 16 disposed on the reactor cover 13 via the coupling, and drives the stirring paddle 14 to rotate through the stirring shaft 16. The stirring paddle 14 is a three-bladed spiral stirring paddle, a propeller stirring paddle, or a turbine stirring paddle.

[0036] By setting up a drive component to drive the agitator 14, the reliability of its movement is ensured. At the same time, by detecting the status of the motor 11, feedback on the status of the agitator 14 can be achieved, which improves the reliability of operation.

[0037] This application does not limit the type of motor 11, the structure and installation method of the drive assembly, or the structure type and size of the agitator 14.

[0038] In this application, the catalyst is fixed by a wire mesh cage 2. There are no limitations on its structure, shape, size, etc. The wire mesh cage 2 is a ring-shaped wire mesh cage or a wire mesh cage with a regular polygonal cross-section, or a wire mesh cage of other shapes.

[0039] The wire mesh cage 2 in this application is used to contain and fix the particulate catalyst. Since the stirring paddle 14 needs to pass through the wire mesh cage 2 in actual operation, the catalyst in all circumferential directions can participate in the reaction, which improves the utilization efficiency of the catalyst. At the same time, since the catalyst is evenly distributed, the reaction rate is the same everywhere, the heat generation or absorption rate is the same, and the corresponding temperature is the same everywhere, which improves the reaction efficiency.

[0040] In one embodiment, the wire mesh cage 2 is an annular wire mesh cage, which includes an annular cage body 23, a cage cover 21 disposed on the top of the annular cage body 23, and a flange structure disposed on the top edge of the annular cage body 23. The cage cover 21 is snapped into the annular cage body 23 or rotatably connected to the annular cage body 23 by a hinge 22.

[0041] The annular wire mesh cage 2 in this application can be an integral annular wire mesh cage, or it can be an annular wire mesh cage formed by multiple separate structures through snap-fitting or other means. The snap-fitting can be performed before being placed into the reactor body 1, or snap-fitting points can be set on the aforementioned support boss 17, or snap-fitting structures can be set in the separate parts of the wire mesh cage 2, or after the separate parts of the wire mesh cage 2 are placed into the support boss 17, adjacent snap-fitting parts can be snapped together, or other structures can be used.

[0042] This application does not limit the structure of the wire mesh cage 2, nor does it limit the method of putting in and taking out the catalyst particles. In addition to the above structure, a vertical sliding door structure can also be used, which can be opened or closed by vertical pushing and pulling, and the wire mesh cage 2 can be closed by gravity, or the cage cover 21 can be threadedly connected to the annular cage body 23, etc.

[0043] This application does not limit the material and structure of the annular wire mesh cage 2. Generally, it is selected according to the needs of the reaction. The annular wire mesh cage 2 is a 304 stainless steel annular wire mesh cage or a 316L stainless steel annular wire mesh cage, or an annular wire mesh cage of other materials. The mesh count of the annular wire mesh cage 2 is 50-200 mesh.

[0044] The size of the annular cage 23 is not limited in this application. In one embodiment, the inner diameter of the annular cage 23 is 0.8-0.9 times the inner diameter of the reactor body 1, and the height of the annular cage 23 is 0.2-0.3 times the height of the reactor body 1.

[0045] To further ensure the reliability and safety of the reaction and avoid gas leakage, in one embodiment, the reactor cover 13 is connected or snapped to the top flange of the reactor body 1, and a high-temperature resistant sealing gasket for sealing is provided between the reactor body and the reactor cover 13. The high-temperature resistant sealing gasket is a polytetrafluoroethylene high-temperature resistant sealing gasket, an asbestos rubber sheet sealing gasket, or a PTFE-coated high-temperature resistant sealing gasket.

[0046] By connecting or snapping the reactor lid 13 to the top flange of the reactor body 1, and sealing the two together with a gasket, the generated gases and other substances are prevented from leaking out, thus improving the reliability of use.

[0047] This application does not impose any restrictions on the material, installation method, or size of the high-temperature resistant sealing gasket.

[0048] In one embodiment, the reactor includes a reactor body 1, which includes a cylindrical stainless steel container 15, a reactor lid 13, and a drive assembly. These components work together to achieve stirring of the reactants and isolation and protection of the solid catalyst. The cylindrical stainless steel container 15 provides a sealed space for the reaction and is made of 304 or 316L stainless steel, which has corrosion resistance, high temperature resistance, and mechanical strength, and is suitable for various reaction systems such as acidic and alkaline reactions. The inner wall of the cylindrical stainless steel container is provided with 3-4 support protrusions 17 at the position corresponding to the middle area. The support protrusions 17 are made of the same material as the cylindrical stainless steel container and are used to support the stainless steel annular wire mesh cage 22 and enable its detachable installation.

[0049] The reactor lid 13 is adapted to the top of the cylindrical stainless steel container and is made of the same stainless steel material. It is detachably connected to the top flange of the cylindrical stainless steel container by six fixing screws 12. A stirring shaft 16 is installed through the reactor lid 13. The stirring shaft 16 is made of 304 stainless steel. Its lower end is connected to the stirring shaft 16, and a three-bladed spiral stirring paddle is fixedly connected to the end of the stirring shaft 16.

[0050] The drive assembly includes a motor 11, which is bolted to the center of the top of the reactor lid 13. The output shaft of the motor 11 is connected to the top of the stirring shaft 16 via a coupling, which drives the stirring shaft 16 to rotate the three-bladed spiral impeller. A stainless steel annular wire mesh cage is placed on the support boss 17, located in the middle area inside the cylindrical stainless steel container, and is used to contain the solid catalyst and isolate it from the impeller 14. The stainless steel annular wire mesh cage 22 is composed of an annular cage body 23 and a cage cover 21, both of which are made of 304 or 316L stainless steel wire mesh with a mesh count of 50-200 mesh. The specific mesh count is determined according to the particle size of the solid catalyst (to ensure that the catalyst particle size is larger than the wire mesh aperture to prevent catalyst leakage, while ensuring that the reaction raw materials can flow freely and have sufficient contact with the catalyst).

[0051] The inner diameter of the annular cage 23 is 0.8-0.9 times that of the cylindrical stainless steel container, and its height is 0.2-0.3 times that of the cylindrical stainless steel container. Its top edge is provided with a flange structure to enhance structural stability. The size of the cage cover 21 is adapted to the top opening of the annular cage 23, and one side of the cover is rotatably connected to the annular cage 23 through a hinge to realize the opening and closing of the cage cover 21.

[0052] A stainless steel annular wire mesh cage 22 is detachably installed in the middle area inside the cylindrical stainless steel container; the stainless steel annular wire mesh cage 22 is used to contain solid catalyst; the stainless steel annular wire mesh cage 22 includes an annular cage body 23 and a cage cover 21, and one side of the cage cover 21 is rotatably connected to the annular cage body 23 by a hinge 22.

[0053] The dimensions of the stirred tank reactor in this application are as follows: the stirring blade is 26mm long, the internal diameter of the reactor is 42mm, therefore, the internal circular dimension can be set to 28mm; the distance between the wire mesh cage and the bottom stirring blade is 2cm.

[0054] The stainless steel annular wire mesh cage in this application can be a soft structure or a rigid structure, depending on the requirements. It is generally a soft structure with a diameter of 42mm.

[0055] The stainless steel annular wire mesh cage in this application is designed to be installed on the top cover of the reactor. If the adjustable height can be clearly known and it will not collide with the agitator, a hoisting structure can be adopted, with the height of the agitator controlled by a motor. However, it is also necessary to consider the ease of opening and placing the solid catalyst.

[0056] The implementation principle of the above technical solution is as follows: A solid catalyst is placed inside an annular wire mesh cage 2, and the cage cover 21 is placed on top. The reaction raw materials are then placed into a cylindrical stainless steel container within the reactor body 1. The cover with a stirring paddle 14 at the top is secured with fixing screws 12. Then, the motor 11 is turned on to drive the stirring shaft 16, which in turn rotates the stirring paddle 14. After the reaction is complete, the reaction product is extracted, and then the stainless steel annular wire mesh cage 22 is removed. The cage cover 21 is opened (to recover the catalyst inside). This method allows for stirring of the raw materials inside the reactor body 1 without directly damaging the catalyst particles, ensuring that all the catalyst participates in the reaction. Furthermore, it facilitates the recovery of the catalyst inside the annular wire mesh cage 2 after the reaction is complete.

[0057] The above technical solution has the following advantages:

[0058] 1. Avoid catalyst wear and extend service life: The solid catalyst is isolated from the stirring paddle by a stainless steel annular wire mesh cage. The stirring paddle only comes into contact with the reaction raw materials, which completely avoids the collision and friction of the catalyst particles by the shear force of the stirring paddle, effectively protects the physical structure and active sites of the catalyst, and greatly reduces the cost of catalyst replenishment.

[0059] 2. Ensure effective catalyst participation and improve product conversion rate: The stainless steel annular wire mesh cage confines the catalyst to the middle reaction area inside the reactor. Even if gas is generated during the reaction, the catalyst cannot be carried to the top of the reactor by the gas flow or adhere to the reactor wall. It always participates in the reaction in the reaction system, and the effective catalyst amount is stable.

[0060] 3. Simplify catalyst recovery and achieve recycling: After the reaction is completed, simply open the reactor lid, take out the stainless steel annular wire mesh cage and open the cage lid to directly recover the internal catalyst. No complicated separation process is required, and it can be directly recycled for subsequent reactions, reducing production energy consumption and operating costs.

[0061] In summary, the reactor provided by this utility model, by detachably installing a wire mesh cage on the inner wall of the reactor body, and by containing the solid catalyst in the wire mesh cage, can isolate the solid catalyst from the stirring paddle. The stirring paddle only contacts the reactants, completely avoiding the collision and friction of the catalyst particles caused by the shear force of the stirring paddle, effectively protecting the physical structure and active sites of the catalyst, significantly reducing the cost of catalyst replenishment, ensuring the effective participation of the catalyst, improving the product conversion rate, improving the catalyst recovery efficiency, and realizing recycling. After the reaction is completed, only the reactor lid needs to be opened and the wire mesh cage removed to directly recover the internal catalyst without the need for a complex separation process. It can be directly recycled for subsequent reactions, reducing production energy consumption and operating costs.

[0062] The reaction vessel provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A reaction vessel, characterized in that, The reactor includes a reactor body, a wire mesh cage detachably installed on the inner wall of the reactor body for containing a solid catalyst, a reactor cover disposed on top of the reactor body for sealing the reactor body, and a stirring paddle disposed on the reactor cover for stirring the solution inside the reactor body.

2. The reaction vessel as described in claim 1, characterized in that, The reactor body is a cylindrical reactor body or a conical reactor body, and the reactor body is a 304 stainless steel reactor body, a 316L stainless steel reactor body, a glass reactor body, or a ceramic reactor body.

3. The reaction vessel as described in claim 1, characterized in that, It also includes a plurality of support protrusions disposed on the inner side wall of the reactor body. The wire mesh cage is detachably installed to the reactor body through the support protrusions. The support protrusions are semi-circular support protrusions or polygonal support protrusions.

4. The reaction vessel as described in claim 3, characterized in that, Multiple support protrusions are located on the same plane and are evenly distributed circumferentially on the inner wall of the reactor body. Multiple support protrusions at the same height form a support platform, and multiple support platforms are evenly distributed longitudinally on the inner sidewall of the reactor body.

5. The reaction vessel as described in claim 1, characterized in that, It also includes a drive assembly disposed on the reactor cover for driving the agitator. The drive assembly includes a motor and a coupling. The motor is fixed to the center of the top of the reactor cover by bolts. The output shaft of the motor is connected to the agitator shaft disposed on the reactor cover by the coupling and drives the agitator to rotate through the agitator shaft. The agitator is a three-bladed spiral agitator, a propeller agitator, or a turbine agitator.

6. The reaction vessel as described in claim 1, characterized in that, The wire mesh cage is a ring-shaped wire mesh cage or a wire mesh cage with a regular polygonal cross-section.

7. The reaction vessel as described in claim 6, characterized in that, The annular wire mesh cage includes an annular cage body, a cage cover disposed on the top of the annular cage body, and a flange structure disposed on the top edge of the annular cage body. The cage cover is snapped into the annular cage body or rotatably connected to the annular cage body via a hinge.

8. The reaction vessel as described in claim 7, characterized in that, The annular wire mesh cage is a 304 stainless steel annular wire mesh cage or a 316L stainless steel annular wire mesh cage, and the mesh count of the annular wire mesh cage is 50-200 mesh.

9. The reaction vessel as described in claim 8, characterized in that, The inner diameter of the annular cage is 0.8-0.9 times the inner diameter of the reactor body, and the height of the annular cage is 0.2-0.3 times the height of the reactor body.

10. The reaction vessel as described in claim 1, characterized in that, The reactor lid is connected or snapped to the top flange of the reactor body. A high-temperature resistant sealing gasket is provided between the reactor body and the reactor lid for sealing. The high-temperature resistant sealing gasket is a polytetrafluoroethylene high-temperature resistant sealing gasket, an asbestos rubber sheet sealing gasket, or a PTFE-coated high-temperature resistant sealing gasket.

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