A high-temperature and high-pressure reaction kettle

By introducing sealing components and limiting structures into the high-temperature and high-pressure reactor, the problems of sealing and stability were solved, ensuring the safe and efficient operation of the reactor under high pressure, and achieving stable connection and sealing effect of the feed pipe.

CN224558717UActive Publication Date: 2026-07-28JIANGSU CHUXIN HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU CHUXIN HEAVY IND CO LTD
Filing Date
2025-06-20
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Existing high-temperature and high-pressure reactors cannot be manually adjusted by adjusting the first screw and nut under high pressure, resulting in inconvenience in installing the top cover and feed pipe, poor sealing, and the possibility of the top cover being pushed out when the pressure increases, affecting the safety and efficiency of the reactor.

Method used

A sealing assembly is adopted, including a feed pipe, a feed pipe cap, a limiting block, and a limiting plate, combined with a sealing gasket and bolts, to ensure the sealing and stability of the feed pipe; at the same time, the limiting block and the limiting plate prevent the feed pipe cap from shifting; and reinforcing ribs enhance the structural stability.

Benefits of technology

It improves the sealing performance and structural stability of the reactor, ensuring safe and efficient operation of the reactor under high temperature and high pressure, preventing material and gas leakage, and maintaining the strength and stability of the overall structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high temperature high pressure reation kettle relates to the technical field of reation kettle. This high temperature high pressure reation kettle, including reation kettle and reation kettle upper shell, the sealing assembly includes the feed pipe, and the upper end of feed pipe is provided with feed pipe cover, and the inside fixed connection of feed pipe has three second limit blocks, and the lower end fixed connection of feed pipe cover has three second limit boards, and the second sealing pad is arranged between the feed pipe and feed pipe cover, and the feed pipe and feed pipe cover are fixed through the bolt, and the upper end fixed connection of feed pipe cover has the reinforcing rib, and the first limit block, first limit board, second limit board, second limit block and feed pipe cover are in high temperature high pressure reation kettle, and the stable operation and high -efficient reaction of reation kettle are guaranteed together, and the sealing stability is guaranteed, and the structural connection reliability is strengthened, and the stable sealing and connection structure create good conditions for the reaction, maintain overall structural strength and stability, ensure that the reaction is safe.
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Description

Technical Field

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

[0002] High-temperature and high-pressure reactors are containers used for chemical and chemical reactions. These reactors can achieve the heating, evaporation, cooling, and low-to-high-speed mixing functions required by the process. They are widely used in petroleum, chemical, rubber, pesticide, dye, medical, and food industries to complete processes such as vulcanization, hydrogenation, nitration, polymerization, and condensation. Reactor materials generally include carbon manganese steel, stainless steel, zirconium, nickel-based alloys (Hastelloy, Monel, Inconel), and other composite materials. Chinese utility model patent, authorization announcement number "CN218689254U", discloses a high-temperature and high-pressure reactor, including a reactor body. A feed pipe is installed through one side of the upper end of the reactor body. A fixing block is fixed to the upper end of one side of the feed pipe. A pushing mechanism is installed inside the fixing block. The pushing mechanism has a moving part, and the moving part has a pressing mechanism. A stirring mechanism is installed in the middle of the upper end of the reactor body.

[0003] The above technical solution can replace the traditional multiple bolt structure with a pushing mechanism and a pressing mechanism to install the top cover on the upper end of the feed pipe, making it more convenient to open and close the top cover, thereby improving the convenience of material conveying into the reactor and effectively improving the convenience of the high-pressure reactor. However, the above technical solution still has certain defects. The internal pressure of the reactor is very high, and it is impossible to adjust the first screw and nut manually to ensure the tightness of the installation between the top cover and the feed pipe. Moreover, when the internal pressure of the reactor increases, the top cover will be pushed outward. Installing the top cover and the feed pipe only through the first screw is not convenient to ensure the sealing of the feed pipe. Therefore, this utility model proposes a new solution. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a high-temperature and high-pressure reactor that can solve the problem that the internal pressure of the reactor is very high, and it is impossible to adjust the first screw and nut by manual judgment to ensure the tightness of the installation of the top cover and the feed pipe. In addition, when the internal pressure of the reactor increases, the top cover will be pushed outward. The problem that it is not easy to ensure the sealing of the feed pipe when the top cover and the feed pipe are installed by the first screw alone.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature and high-pressure reactor, comprising a reactor and a reactor shell;

[0006] A sealing assembly is installed on the upper shell of the reactor. The sealing assembly includes a feed pipe, which is fixedly connected to the upper end of the upper shell of the reactor. A feed pipe cap is provided at the upper end of the feed pipe. Three second limiting blocks are fixedly connected inside the feed pipe. Three second limiting plates are fixedly connected at the lower end of the feed pipe cap. The three second limiting plates are respectively engaged with the corresponding second limiting blocks.

[0007] A second sealing gasket is provided between the feed pipe and the feed pipe cover. The feed pipe and the feed pipe cover are fixed together by bolts. A reinforcing rib is fixedly connected to the upper end of the feed pipe cover.

[0008] Preferably, the sealing assembly further includes a connecting plate, which is fixedly connected to the upper end of the reactor. The lower end of the reactor shell has an installation groove, and the connecting plate is snapped into the installation groove. A first sealing gasket is provided inside the installation groove. The reactor and the reactor shell are fixed together by bolts.

[0009] The inner wall of the reactor is fixedly connected with three first limiting blocks, and the lower end of the upper shell of the reactor is fixedly connected with three first limiting plates. The three first limiting plates are respectively engaged with the corresponding first limiting blocks.

[0010] Preferably, two temperature sensors are fixedly connected inside the upper shell of the reactor, and a temperature sensor is also fixedly connected inside the reactor.

[0011] Preferably, a heat-conducting pipe and a heating plate are fixedly connected to the inner wall of the reactor. Both the heat-conducting pipe and the heating plate are spiral-shaped, and both ends of the heat-conducting pipe extend out of the reactor and are connected to an external chiller.

[0012] Preferably, a drive motor is fixedly connected to the upper end of the upper shell of the reactor, and a rotating shaft is fixedly connected to the output end of the drive motor. The rotating shaft is rotatably connected to the upper shell of the reactor, and threaded stirring blades and two stirring paddles are fixedly connected to the surface of the rotating shaft.

[0013] Preferably, a heat-conducting pipe is fixedly connected to the lower end of the reactor, a pressure gauge is fixedly connected to the upper end of the reactor shell, an exhaust pipe and an inlet pipe are fixedly connected inside the reactor shell, and a pressure relief valve is fixedly connected inside the reactor shell.

[0014] Preferably, lifting lugs are fixedly connected to both sides of the upper end of the reactor shell.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. In this high-temperature and high-pressure reactor, the first limiting block, the first limiting plate, the second limiting plate, the second limiting block, and the feed pipe cover are located in the high-temperature and high-pressure reactor. They play a role in sealing, positioning, and structural reinforcement, respectively, and together ensure the stable operation and efficient reaction of the reactor, ensure the stability of the seal, enhance the reliability of the structural connection, and the stable sealing and connection structure creates good conditions for the reaction, maintains the overall structural strength and stability, and ensures the safe conduct of the reaction. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of a high-temperature and high-pressure reactor according to the present invention;

[0019] Figure 2 This is a schematic diagram of the heat pipe of this utility model;

[0020] Figure 3 This is a schematic diagram of the stirring paddle of this utility model;

[0021] Figure 4 This is a schematic diagram of the reaction vessel of this utility model;

[0022] Figure 5 This is a schematic diagram of the upper shell of the reactor of this utility model;

[0023] Figure 6 This is a schematic diagram of the feed pipe of this utility model;

[0024] Figure 7 This is an enlarged view of point A in the figure of this utility model.

[0025] Reference numerals in the attached drawings: 1. Reactor; 2. Reactor shell; 3. Feed pipe; 4. Heat pipe; 5. Heating plate; 6. First limiting block; 7. First limiting plate; 8. Mounting groove; 9. Connecting plate; 10. First sealing gasket; 11. Drive motor; 12. Rotating shaft; 13. Threaded stirring blade; 14. Stirring paddle; 15. Temperature sensor; 16. Pressure relief valve; 17. Pressure gauge; 18. Exhaust pipe; 19. Inlet pipe; 20. Lifting lug; 21. Feed pipe cover; 22. Second sealing gasket; 23. Second limiting plate; 24. Second limiting block. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] Please see Figure 1-7 This utility model provides a technical solution: a high-temperature and high-pressure reactor, including a reactor 1 and a reactor upper shell 2, and a sealing assembly. The sealing assembly is disposed on the reactor upper shell 2 and includes a feed pipe 3, which is fixedly connected to the upper end of the reactor upper shell 2. A feed pipe cap 21 is provided at the upper end of the feed pipe 3. Three second limiting blocks 24 are fixedly connected inside the feed pipe 3. Three second limiting plates 23 are fixedly connected at the lower end of the feed pipe cap 21. The three second limiting plates 23 are respectively engaged with the corresponding second limiting blocks 24. A second sealing gasket 22 is provided between the feed pipe 3 and the feed pipe cap 21. The feed pipe 3 and the feed pipe cap 21 are fixed together by bolts. A reinforcing rib is fixedly connected at the upper end of the feed pipe cap 21.

[0031] The sealing assembly also includes a connecting plate 9, which is fixedly connected to the upper end of the reactor 1. The lower end of the reactor shell 2 is provided with an installation groove 8, and the connecting plate 9 is snapped into the installation groove 8. A first sealing gasket 10 is provided inside the installation groove 8. The reactor 1 and the reactor shell 2 are fixedly connected by bolts. Three first limiting blocks 6 are fixedly connected to the inner wall of the reactor 1, and three first limiting plates 7 are fixedly connected to the lower end of the reactor shell 2. The three first limiting plates 7 are snapped into the corresponding first limiting blocks 6 respectively.

[0032] Two temperature sensors 15 are fixedly connected inside the upper shell 2 of the reactor, and temperature sensors 15 are also fixedly connected inside the reactor 1.

[0033] The inner wall of the reactor 1 is fixedly connected with a heat pipe 4 and a heating plate 5. Both the heat pipe 4 and the heating plate 5 are spiral in shape. Both ends of the heat pipe 4 extend out of the reactor 1 and are connected to an external chiller.

[0034] A drive motor 11 is fixedly connected to the upper end of the upper shell 2 of the reactor. A rotating shaft 12 is fixedly connected to the output end of the drive motor 11. The rotating shaft 12 is rotatably connected to the upper shell 2 of the reactor. Threaded stirring blades 13 and two stirring paddles 14 are fixedly connected to the surface of the rotating shaft 12.

[0035] A heat-conducting pipe 4 is fixedly connected to the lower end of the reactor 1, a pressure gauge 17 is fixedly connected to the upper end of the reactor shell 2, an exhaust pipe 18 and an inlet pipe 19 are fixedly connected inside the reactor shell 2, and a pressure relief valve 16 is fixedly connected inside the reactor shell 2.

[0036] Lifting lugs 20 are fixedly connected to both sides of the upper end of the upper shell 2 of the reactor.

[0037] When using this device, the sealing assembly is crucial for ensuring a stable high-pressure environment inside the reactor. The feed pipe 3 and the feed pipe cover 21 are initially positioned by three second limiting plates 23 and corresponding second limiting blocks 24, preventing them from shifting during installation. The second sealing gasket 22 is filled between the two, and its good elasticity and sealing properties effectively prevent gas and material from leaking from the feed pipe inside the reactor. Finally, the feed pipe 3 and the feed pipe cover 21 are tightly fixed with bolts to further enhance the sealing effect and ensure good sealing of the feed pipe under high temperature and high pressure conditions.

[0038] Between the reactor 1 and the reactor upper shell 2, the connecting plate 9 engages with the mounting groove 8 at the lower end of the reactor upper shell 2, completing the initial positioning; the first sealing gasket 10 is placed in the mounting groove 8. When the reactor 1 and the reactor upper shell 2 are fixed by bolts, the first sealing gasket 10 is compressed and deformed, filling the tiny gap between the two, thereby achieving a good seal; at the same time, the three first limiting plates 7 engage with the corresponding first limiting blocks 6, further strengthening the stability of the connection between the two and avoiding seal failure due to vibration and other factors during the reaction process.

[0039] The temperature control of the reactor is accomplished by the coordinated heating and cooling systems. In terms of heating, the heating plate 5 is fixed in a spiral shape inside the inner wall of the reactor 1. When it is necessary to raise the reaction temperature, the heating plate 5 is energized and heats up. The heat is evenly transferred to the material in the reactor through heat conduction. The spiral design increases the heating area, making the heating more uniform and efficient.

[0040] For cooling, the heat pipe 4 is also arranged in a spiral shape inside the inner wall of the reactor 1, with both ends connected to an external chiller. When the temperature is too high during the reaction, the chilled water in the chiller circulates in the heat pipe 4, carrying away the heat in the reactor through heat exchange, thus lowering the reaction temperature. Since both the heat pipe 4 and the heating plate 5 are spiral-shaped, a relatively uniform temperature field can be formed in the reactor, avoiding local overheating or overcooling and ensuring that the reaction is carried out under suitable temperature conditions.

[0041] Temperature sensors 15 are fixedly connected to both the upper shell 2 and the reactor 1. These temperature sensors monitor the temperature changes inside the reactor in real time and feed the temperature signals back to the control system. The control system automatically adjusts the heating power of the heating plate 5 or controls the working status of the chiller according to the set temperature value, so as to achieve precise control of the temperature inside the reactor.

[0042] The drive motor 11 fixed at the upper end of the upper shell 2 of the reactor provides power for stirring. After the drive motor 11 is started, its output end drives the rotating shaft 12 to rotate. The rotating shaft 12 is rotatably connected to the upper shell 2 of the reactor, ensuring the stability of the rotation.

[0043] The threaded stirring blades 13 and two stirring paddles 14 fixed on the surface of the rotating shaft 12 play different roles during rotation. When the threaded stirring blades 13 rotate, they can cause the material to move axially and radially along the thread direction, which promotes the vertical circulation of the material in the reactor and ensures that the material is fully mixed in the horizontal direction. The stirring paddles 14 generate strong shearing force and turbulence in the material through their special shape and rotation, further breaking down the material particles, increasing the contact area between the materials, making the material mix more uniform and the reaction more complete.

[0044] Pressure gauge 17 is fixed to the upper end of the upper shell 2 of the reactor to monitor the pressure inside the reactor in real time and display the pressure value, so that the operator can understand the pressure status inside the reactor at any time.

[0045] When the pressure inside the reactor is too high, the pressure relief valve 16 comes into play. The pressure relief valve 16 is preset with an opening pressure value. When the pressure inside the reactor reaches or exceeds the set value, the pressure relief valve 16 opens automatically, and at the same time, some of the gas inside the reactor is discharged through the exhaust pipe 18, thereby reducing the pressure inside the reactor and ensuring that the reactor operates within a safe pressure range.

[0046] The inlet pipe 19 is used to replenish gas into the reactor when needed, and to adjust the gas composition and pressure inside the reactor to meet the needs of different reactions.

[0047] The lifting lugs 20 fixed on both sides of the upper end of the upper shell 2 of the reactor are mainly used to facilitate the use of lifting equipment during the installation, disassembly and transportation of the reactor, thereby improving the convenience and safety of operation.

[0048] Furthermore, the first limiting block 6, the first limiting plate 7, the second limiting plate 23, the second limiting block 24, and the feed pipe cover 21 in the high-temperature and high-pressure reactor play roles in sealing, positioning, and structural reinforcement, respectively, to jointly ensure the stable operation and efficient reaction of the reactor, ensure sealing stability, enhance structural connection reliability, and create favorable conditions for the reaction by providing a stable sealing and connection structure, maintaining the overall structural strength and stability, and ensuring the safe conduct of the reaction.

[0049] Structural Description: Reactor 1: As the main container for the reaction, it provides space for the materials to react. The inner wall is equipped with heating plates, heat pipes and other structures to control the reaction temperature.

[0050] upper shell 2 of the reactor: together with the reactor 1, it forms the reaction space. The upper part is equipped with components such as drive motor and pressure gauge to provide power for the reaction and monitor parameters such as reaction pressure. At the same time, it is connected to the reactor 1 through a sealing component to ensure the sealing of the reactor.

[0051] Feed pipe 3: Used to add materials into the reactor. By cooperating with the feed pipe cap 21, it achieves sealed feeding and prevents material and gas leakage.

[0052] Heat pipe 4: It is arranged in a spiral shape inside the inner wall of the reactor 1, and its two ends are connected to the external chiller. It is used to remove heat through cold water circulation when the reaction temperature is too high, so as to achieve cooling and temperature reduction and form a more uniform temperature field inside the reactor.

[0053] Heating plate 5: It is fixed in a spiral shape inside the inner wall of the reactor 1. After being powered on, it heats up and evenly transfers the heat to the material in the reactor, thereby increasing the heating area and making the heating more uniform and efficient.

[0054] First limiting block 6: Fixed to the inner wall of reactor 1, and snapped with the first limiting plate 7 at the lower end of reactor upper shell 2, to enhance the stability of the connection between reactor 1 and reactor upper shell 2, and to avoid sealing failure due to vibration and other factors.

[0055] First limiting plate 7: Fixed at the lower end of the upper shell 2 of the reactor, and snapped into the first limiting block 6 on the inner wall of the reactor 1, to enhance the stability of the connection between the reactor 1 and the upper shell 2 of the reactor, and further ensure the sealing effect;

[0056] Installation slot 8: It is opened at the lower end of the upper shell 2 of the reactor and is snapped into the connecting plate 9 to complete the initial positioning of the connection between the reactor 1 and the upper shell 2 of the reactor.

[0057] Connecting plate 9: It is fixedly connected to the upper end of the reactor 1 and engages with the mounting groove 8 at the lower end of the reactor upper shell 2 to complete the initial positioning of the connection between the reactor 1 and the reactor upper shell 2.

[0058] First sealing gasket 10: Placed in the mounting groove 8, when the reactor 1 and the reactor upper shell 2 are fixed by bolts, it is squeezed and deformed to fill the tiny gap between them and achieve a good seal;

[0059] Drive motor 11: Fixed at the upper end of the upper shell 2 of the reactor, it provides power for stirring and drives the rotating shaft 12 to rotate;

[0060] Rotating shaft 12: Rotatably connected to the upper shell 2 of the reactor, rotating under the drive of the drive motor 11, connecting the threaded stirring blade 13 and the stirring paddle 14 to transmit power;

[0061] Threaded stirring blades 13: fixed on the surface of the rotating shaft 12, when rotating, they cause the material to move axially and radially along the thread direction, promoting the vertical circulation and horizontal mixing of the material in the reactor.

[0062] Agitator 14: Fixed on the surface of rotating shaft 12, it generates strong shearing force and turbulence in the material through its special shape and rotation, breaking up material particles, increasing the contact area between materials, making the material mix more uniform and the reaction more complete;

[0063] Temperature sensor 15: Fixed inside the upper shell 2 and reactor 1 of the reactor, it monitors the temperature change inside the reactor in real time and feeds the temperature signal back to the control system so as to accurately control the temperature inside the reactor;

[0064] Pressure relief valve 16: Fixed inside the upper shell 2 of the reactor, with a preset opening pressure value. When the pressure inside the reactor reaches or exceeds the preset value, it will automatically open and discharge some gas through the exhaust pipe 18 to reduce the pressure inside the reactor and ensure that the reactor operates within a safe pressure range.

[0065] Pressure gauge 17: Fixed to the upper end of the upper shell 2 of the reactor, it monitors the pressure inside the reactor in real time and displays the pressure value, so that the operator can understand the pressure status inside the reactor.

[0066] Exhaust pipe 18: Fixed inside the upper shell 2 of the reactor, it is used to discharge part of the gas in the reactor and reduce the pressure in the reactor when the pressure relief valve 16 is opened;

[0067] Inlet pipe 19: Fixed inside the upper shell 2 of the reactor, used to replenish gas into the reactor when needed for the reaction, and to regulate the gas composition and pressure inside the reactor;

[0068] Lifting lugs 20: fixed on both sides of the upper end of the upper shell 2 of the reactor, used to facilitate the use of lifting equipment during the installation, disassembly and transportation of the reactor, thereby improving the convenience and safety of operation;

[0069] Feed pipe cap 21: It is fixedly connected to the upper end of the feed pipe 3. It is initially positioned by engaging with the feed pipe 3 through three second limiting plates 23 and corresponding second limiting blocks 24. It works with the second sealing gasket 22 to achieve a seal, preventing material and gas from leaking from the feed pipe. It is tightly fixed to the feed pipe 3 with bolts to further enhance the sealing effect.

[0070] Second sealing gasket 22: It is set between the feed pipe 3 and the feed pipe cover 21. With its good elasticity and sealing performance, it effectively prevents the gas and materials in the reactor from leaking from the feed pipe.

[0071] The second limiting plate 23 is fixedly connected to the lower end of the feed pipe cover 21 and engages with the second limiting block 24 inside the feed pipe 3 to initially position the feed pipe cover 21 and prevent it from shifting during installation.

[0072] The second limiting block 24 is fixedly connected inside the feed pipe 3 and engages with the second limiting plate 23 at the lower end of the feed pipe cover 21 to initially position the feed pipe cover 21 and prevent it from shifting during installation.

[0073] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-temperature, high-pressure reactor, characterized in that: It includes a reactor (1) and a reactor shell (2); The sealing assembly is set on the upper shell (2) of the reactor. The sealing assembly includes a feed pipe (3), which is fixedly connected to the upper end of the upper shell (2) of the reactor. A feed pipe cap (21) is provided at the upper end of the feed pipe (3). Three second limiting blocks (24) are fixedly connected inside the feed pipe (3). Three second limiting plates (23) are fixedly connected at the lower end of the feed pipe cap (21). The three second limiting plates (23) are respectively engaged with the corresponding second limiting blocks (24). A second sealing gasket (22) is provided between the feed pipe (3) and the feed pipe cover (21). The feed pipe (3) and the feed pipe cover (21) are fixed together by bolts. A reinforcing rib is fixedly connected to the upper end of the feed pipe cover (21).

2. The high-temperature and high-pressure reactor according to claim 1, characterized in that: The sealing assembly also includes a connecting plate (9), which is fixedly connected to the upper end of the reactor (1). The lower end of the reactor shell (2) is provided with an installation groove (8). The connecting plate (9) is snapped into the installation groove (8). A first sealing gasket (10) is provided inside the installation groove (8). The reactor (1) and the reactor shell (2) are fixed together by bolts. The inner wall of the reactor (1) is fixedly connected with three first limiting blocks (6), and the lower end of the upper shell (2) of the reactor is fixedly connected with three first limiting plates (7). The three first limiting plates (7) are respectively engaged with the corresponding first limiting blocks (6).

3. The high-temperature and high-pressure reactor according to claim 1, characterized in that: Two temperature sensors (15) are fixedly connected inside the upper shell (2) of the reactor, and a temperature sensor (15) is also fixedly connected inside the reactor (1).

4. The high-temperature and high-pressure reactor according to claim 1, characterized in that: The inner wall of the reactor (1) is fixedly connected with a heat pipe (4) and a heating plate (5). Both the heat pipe (4) and the heating plate (5) are spiral in shape. Both ends of the heat pipe (4) extend out of the reactor (1) and are connected to an external chiller.

5. A high-temperature and high-pressure reactor according to claim 1, characterized in that: The upper end of the upper shell (2) of the reactor is fixedly connected to a drive motor (11), and the output end of the drive motor (11) is fixedly connected to a rotating shaft (12). The rotating shaft (12) is rotatably connected to the upper shell (2) of the reactor. The surface of the rotating shaft (12) is fixedly connected to a threaded stirring blade (13) and two stirring paddles (14).

6. The high-temperature and high-pressure reactor according to claim 1, characterized in that: A heat-conducting pipe (4) is fixedly connected to the lower end of the reactor (1), a pressure gauge (17) is fixedly connected to the upper end of the reactor shell (2), an exhaust pipe (18) and an air inlet pipe (19) are fixedly connected inside the reactor shell (2), and a pressure relief valve (16) is fixedly connected inside the reactor shell (2).

7. A high-temperature and high-pressure reactor according to claim 1, characterized in that: Lifting lugs (20) are fixedly connected to both sides of the upper end of the upper shell (2) of the reactor.