Chemical reaction kettle capable of rapidly cooling in chemical production

Abstract

The invention relates to the field of chemical reaction kettles, and particularly provides a chemical reaction kettle capable of rapidly cooling in chemical production. The device comprises a reaction kettle, the reaction kettle comprises a kettle body, a reaction bin is formed in the kettle body, a cooling mechanism and a transmission mechanism are arranged, a cooling ring is arranged on the inner wall of the reaction kettle, a spiral coil is embedded in the reaction kettle, and the reaction kettle is connected with an external cooling source such as liquid nitrogen through a liquid inlet hose and a liquid outlet hose at the top; the inner side of the cooling ring is also provided with a conduction sheet made of a copper-aluminum alloy material, and the material is good in heat conductivity and low-temperature resistant, so that cold energy in the spiral coil pipe can be efficiently transferred to materials in the reaction bin, and the materials are ensured to be kept in a stable low-temperature state in the reaction process; and the magnetic rings in the transmission mechanism are matched, so that the cooling position is flexibly adjusted, and the cooling effect is optimized.

Description

Technical Field

[0001] The invention relates to the field of chemical reactors, in particular to a chemical reactor with rapid cooling in chemical production. Background Art

[0002] Chemical reactors are key equipment widely used in chemical production. They are defined as a closed container that can withstand a certain pressure and is used to complete multiphase reactions such as gas-liquid, liquid-liquid, gas-liquid-solid, etc. By controlling parameters such as temperature, pressure, and stirring, the chemical reactor allows the raw materials to undergo chemical reactions and obtain the desired products. Its working principles include: adding raw materials to the reactor in proportion according to the reaction requirements, controlling the temperature in the reactor through heating and cooling devices, and using pressure sensors and control systems to maintain the reaction system within the set pressure range; the stirring device continuously stirs the reaction materials to ensure that the reactants are fully mixed and to increase the reaction rate and uniformity; after the reaction is completed, the product and waste are separated, and the reactor is cleaned and maintained.

[0003] The inventor of this application found that there are the following problems in the practical use process:

[0004] At present, traditional chemical reactors are mainly cooled by jacket cooling, coil cooling and other methods. However, during long-term use, due to uneven flow of cooling medium, poor stirring effect, equipment aging or scaling, temperature control system fluctuations and changes in material properties, local uneven cooling may occur. These factors may lead to reduced cooling efficiency and over- or under-cooling of some areas, which in turn affects the chemical reaction process and product quality in the reactor.

[0005] Therefore, it is necessary to provide a chemical reactor with rapid cooling in chemical production to solve the above technical problems. Summary of the invention

[0006] The technical problem to be solved by the present invention is that traditional chemical reactors suffer from uneven local cooling during long-term use due to reasons such as uneven flow of cooling medium, poor stirring effect, equipment aging or scaling, fluctuations in temperature control systems and changes in material properties. In view of the above-mentioned defects of the prior art, a chemical reactor with rapid cooling in chemical production is provided.

[0007] To achieve the above object, the technical solution of the present invention is: a chemical reactor for rapid cooling in chemical production, comprising a reactor, the reactor comprising a reactor body, a reaction chamber is provided inside the reactor body, and a cooling mechanism is provided inside the reaction chamber;

[0008] The cooling mechanism comprises a cooling ring, wherein a first mounting groove and a second mounting groove are respectively provided inside the cooling ring, wherein the first mounting groove passes through one side of the cooling ring and is provided with an iron ring;

[0009] A spiral coil is arranged in the second installation groove, and the liquid inlet end and the liquid outlet end of the spiral coil both pass through the cooling ring. A liquid inlet hose and a liquid outlet hose are respectively installed on the top of the liquid inlet end and the liquid outlet end of the spiral coil.

[0010] By adopting the above technical solution, the inflow and outflow of cooling media such as liquid nitrogen are facilitated, thereby achieving efficient cooling.

[0011] Furthermore, a conducting sheet is provided on the inner side of the cooling ring, and the conducting sheet is made of copper-aluminum alloy.

[0012] By adopting the above technical solution, a conductive sheet made of copper-aluminum alloy is arranged on the inner side of the cooling ring, thereby improving the cooling efficiency. Since copper-aluminum alloy has good thermal conductivity, it can transfer the coldness of the cooling medium to the material in the reaction chamber more quickly.

[0013] Furthermore, a base frame is provided at the bottom of the kettle body, and a transmission mechanism is detachably connected to the outer side of the base frame via a mounting mechanism.

[0014] By adopting the above technical solution, a base frame is provided at the bottom of the reactor body, and a transmission mechanism is detachably connected to the outer side of the base frame through a mounting mechanism, which facilitates the installation and disassembly of the transmission mechanism and improves the flexibility and maintainability of the reactor.

[0015] Furthermore, the installation mechanism includes two connecting frames, and the two connecting frames are welded to the base frame.

[0016] By adopting the above technical solution, stable support and connection are provided, ensuring the stability of the transmission mechanism.

[0017] Furthermore, a support ring is detachably connected to the outer side of the connecting frame, and a transmission mechanism is detachably connected to the top of the support ring.

[0018] By adopting the above technical solution, the outer side of the connecting frame is detachably connected with a support ring, and the top of the support ring is detachably connected with a transmission mechanism, which further simplifies the installation and disassembly process of the transmission mechanism and improves the operational convenience.

[0019] Furthermore, the transmission mechanism includes a mounting seat, a servo motor is arranged on the top of the mounting seat, a screw slot is opened on the inner side of the mounting seat, and a screw is rotatably connected in the screw slot, the screw is connected to the output end of the servo motor, a screw seat is engaged on the screw, and a magnetic ring is removably connected to the inner side of the screw seat.

[0020] By adopting the above technical solution, the servo motor drives the screw to rotate, which drives the screw seat and the magnetic ring to move, thereby achieving precise control of the stirring components in the reaction chamber.

[0021] Furthermore, a kettle cover is provided on the top of the kettle body, a stirring motor, a feed port and an ultrasonic transducer are provided on the top of the kettle cover, a vibration rod is installed at the bottom of the ultrasonic transducer through an amplitude rod, and the vibration rod is arranged in the reaction chamber.

[0022] By adopting the above technical solution, the ultrasonic transducer is installed with a vibration rod through a variable amplitude rod, which enhances the functionality of the reactor and improves the reaction efficiency and mixing uniformity.

[0023] Furthermore, a rotating rod is provided at the bottom of the stirring motor, a stirring rod is provided at the bottom end of the rotating rod, and a stirring blade is provided above the outer side of the rotating rod.

[0024] By adopting the above technical solution, stirring blades are arranged above the outer side of the rotating rod, providing a complete stirring system and ensuring sufficient mixing of the materials in the reaction chamber.

[0025] Furthermore, a liquid nitrogen interface and a liquid nitrogen outlet are respectively provided at the relative positions between the top of the kettle cover and the liquid inlet hose and the liquid outlet hose.

[0026] By adopting the above technical solution, a liquid nitrogen interface and a liquid nitrogen outlet are respectively provided at the relative positions of the top of the kettle cover and the liquid inlet hose and the liquid outlet hose, which facilitates the connection and discharge of the cooling medium and improves the operational convenience.

[0027] Furthermore, a waste gas outlet is provided on one side of the kettle body, and a material discharge port is provided on the bottom of the kettle body.

[0028] By adopting the above technical solution, the waste gas generated during the reaction and the materials after the reaction are discharged easily, thereby improving the practicality and safety of the reactor.

[0029] Compared with the related art, the chemical reactor for rapid cooling in chemical production provided by the present invention has the following beneficial effects:

[0030] The present invention provides a chemical reactor with rapid cooling in chemical production. A cooling mechanism and a transmission mechanism are provided, a cooling ring is provided on the inner wall of the reactor, a spiral coil is embedded in the inner wall of the cooling ring, and the spiral coil is connected to an external cooling source such as liquid nitrogen through a liquid inlet hose and a liquid outlet hose at the top, so that the heat in the reaction chamber can be quickly absorbed to achieve rapid cooling. A conductive sheet made of a copper-aluminum alloy is also provided on the inner side of the cooling ring. The conductive sheet has good thermal conductivity and is resistant to low temperatures, and can efficiently transfer the cold in the spiral coil to the material in the reaction chamber, so as to ensure that the material maintains a stable low-temperature state during the reaction process. In addition, an iron block is provided on the outer side of the cooling ring, which cooperates with a magnetic ring in a transmission mechanism, and controls the servo motor drive in the transmission mechanism to drive the cooling ring to the inner wall of the reactor. The moving screw rotates, driving the magnetic ring to move up and down, thereby utilizing the magnetic attraction to move the cooling ring up and down in the reaction chamber, achieving flexible adjustment of the cooling position and optimizing the cooling effect. The cooling ring is connected to the external cooling source through a liquid inlet hose, and the transmission mechanism also adopts a disassembly connection method, which simplifies the installation and maintenance process, shortens the reaction time, and improves the reaction efficiency. The stable low-temperature environment helps to control side reactions and improve product purity and quality. At the same time, it solves the problem of uneven local cooling and reduced cooling efficiency caused by uneven flow of cooling medium, poor stirring effect, equipment aging or scaling, temperature control system fluctuations, and changes in material properties in traditional chemical reactors during long-term use.

[0031] The invention provides a chemical reactor with rapid cooling in chemical production. An ultrasonic transducer and a vibration rod are arranged, wherein the ultrasonic energy generated by the ultrasonic transducer is transmitted to reactants through the vibration rod, thereby promoting the vibration and collision of reactant molecules, thereby accelerating the rate of chemical reaction and improving production efficiency. Moreover, the vibration of the vibration rod helps to break the agglomeration state of the reactants, so that the reactants are mixed more evenly, and the uniformity and consistency of the reaction are improved. In addition, the vibration of the ultrasonic wave and the stirring action of the vibration rod jointly promote the heat transfer and mass transfer process in the reaction chamber, which is conducive to the energy and material exchange between the reactants and makes the reaction more sufficient and thorough. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0033] Figure 2 It is a bottom-up three-dimensional structural schematic diagram of the present invention;

[0034] Figure 3 It is a schematic diagram of a side cross-sectional three-dimensional structure of the present invention;

[0035] Figure 4 For the present invention Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0036] Numbers in the figure: 1. Reactor; 101. Reactor body; 102. Reactor cover; 103. Stirring motor; 104. Feeding port; 105. Base frame; 106. Reactor chamber; 107. Ultrasonic transducer; 108. Vibrating rod; 109. Rotating rod; 110. Stirring rod; 111. Stirring blade; 112. Discharging port; 113. Waste gas outlet; 114. Liquid nitrogen interface; 115. Liquid nitrogen outlet; 2. Mounting mechanism; 201 , connecting frame; 202, support ring; 3, transmission mechanism; 301, mounting seat; 302, servo motor; 303, screw slot; 304, screw; 305, screw seat; 306, magnetic ring; 4, cooling mechanism; 401, cooling ring; 402, first mounting slot; 403, iron ring; 404, second mounting slot; 405, spiral coil; 406, liquid inlet hose; 407, conduction sheet; 408, liquid outlet hose. DETAILED DESCRIPTION

[0037] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.

[0038] Embodiment 1:

[0039] like Figures 1 to 4 As shown, a chemical reactor for rapid cooling in chemical production of the present invention comprises a reactor 1, wherein the reactor 1 comprises a reactor body 101, wherein a reaction chamber 106 is provided inside the reactor body 101, wherein a cooling mechanism 4 is arranged inside the reaction chamber 106; wherein the cooling mechanism 4 comprises a cooling ring 401, wherein a first mounting groove 402 and a second mounting groove 404 are respectively provided inside the cooling ring 401, wherein the first mounting groove 402 penetrates one side of the cooling ring 401 and is provided with an iron ring 403; wherein a spiral coil 405 is arranged inside the second mounting groove 404, wherein both the liquid inlet end and the liquid outlet end of the spiral coil 405 penetrate the cooling ring 401, wherein a liquid inlet hose 406 and a liquid outlet hose 408 are respectively arranged on the top of the liquid inlet end and the liquid outlet end of the spiral coil 405, wherein the design of the cooling mechanism 4 inside the reactor 1, particularly the cooling ring 401 and the first mounting groove 402 and the second mounting groove 404 inside the cooling ring 401, and the arrangement of the spiral coil 405, achieves efficient cooling of the material in the reaction chamber 106. The liquid inlet and outlet ends of the spiral coil 405 are connected to the external cooling system through a liquid inlet hose 406 and a liquid outlet hose 408, which facilitates the rapid access and discharge of the cooling medium, thereby improving the cooling efficiency and the flexibility of operation.

[0040] See also Figure 1A conduction sheet 407 is arranged on the inner side of the cooling ring 401. The material of the conduction sheet 407 is copper-aluminum alloy. The conduction sheet 407 arranged on the inner side of the cooling ring 401 is made of copper-aluminum alloy and has good thermal conductivity. It can quickly transfer the cooling medium in the spiral coil 405 to the material in the reaction chamber 106, further improving the cooling efficiency, shortening the cooling time, and is beneficial to protecting the reaction materials and reactor equipment.

[0041] See also Figure 1 , Figure 2 A base frame 105 is provided at the bottom of the kettle body 101, and the outer side of the base frame 105 is detachably connected with a transmission mechanism 3 through a mounting mechanism 2. The base frame 105 provided at the bottom of the kettle body 101 is detachably connected to the transmission mechanism 3 through the mounting mechanism 2, so that the transmission mechanism 3 can be easily installed and disassembled, which is convenient for maintenance, overhaul or replacement of transmission parts of the reactor 1, thereby improving the maintainability and flexibility of the equipment.

[0042] See also Figure 3 , Figure 4 The mounting mechanism 2 includes two connecting frames 201, which are welded to the base frame 105. The mounting mechanism 2 includes two connecting frames 201 welded to the base frame 105, which provides a stable supporting structure and ensures the stability and reliability of the transmission mechanism 3 after installation. At the same time, the welding connection also improves the strength and durability of the connection.

[0043] See also Figure 1 , Figure 2 The outer side of the connecting frame 201 is disassembled and connected with a support ring 202, and the top of the support ring 202 is disassembled and connected with a transmission mechanism 3. The support ring 202 disassembled and connected to the outer side of the connecting frame 201 and the transmission mechanism 3 disassembled and connected to the top of the support ring 202 make the entire transmission system more modular, easy to assemble, disassemble and transport, reduce the installation difficulty and cost of the equipment, and improve the portability of the equipment.

[0044] See also Figure 1 , Figure 4 The transmission mechanism 3 includes a mounting seat 301, a servo motor 302 is arranged on the top of the mounting seat 301, a screw groove 303 is opened on the inner side of the mounting seat 301, and a screw 304 is rotatably connected in the screw groove 303, the screw 304 is connected to the output end of the servo motor 302, a screw seat 305 is meshed on the screw 304, and a magnetic ring 306 is detachably connected to the inner side of the screw seat 305, the transmission mechanism 3 includes a mounting seat 301, a servo motor 302, a screw groove 303, a screw 304, a screw seat 305 and a magnetic ring 306, the servo motor 302 drives the screw 304 to rotate, drives the screw seat 305 and the magnetic ring 306 to move, realizes the precise control of the stirring component in the reactor 1, and improves the uniformity and efficiency of the reaction.

[0045] Embodiment 2:

[0046] See also Figure 3 , Figure 4 A kettle cover 102 is arranged on the top of the kettle body 101, and a stirring motor 103, a feeding port 104 and an ultrasonic transducer 107 are arranged on the top of the kettle cover 102. A vibration rod 108 is installed at the bottom of the ultrasonic transducer 107 through a horn, and the vibration rod 108 is arranged in the reaction chamber 106. The stirring motor 103, the feeding port 104 and the ultrasonic transducer 107 arranged on the top of the kettle cover 102, and the vibration rod 108 installed at the bottom of the ultrasonic transducer 107 through a horn, make the reactor 1 not only have a stirring function, but also can enhance the reaction efficiency through ultrasonic waves, thereby improving the mixing uniformity and reaction rate of the materials.

[0047] See also Figure 1 Figure 4 A rotating rod 109 is arranged at the bottom of the stirring motor 103, a stirring rod 110 is arranged at the bottom end of the rotating rod 109, and a stirring blade 111 is arranged on the upper outer side of the rotating rod 109. The rotating rod 109, the stirring rod 110 and the stirring blade 111 arranged at the bottom of the stirring motor 103 constitute a complete stirring system, which can ensure the full mixing of the materials in the reaction chamber 106, improve the uniformity and efficiency of the reaction, and the design of the stirring blade 111 is also convenient for cleaning and maintenance.

[0048] See also Figure 1 , Figure 2 A liquid nitrogen interface 114 and a liquid nitrogen outlet 115 are respectively arranged at the relative positions of the top of the kettle cover 102 and the liquid inlet hose 406 and the liquid outlet hose 408. The liquid nitrogen interface 114 and the liquid nitrogen outlet 115 are respectively arranged at the relative positions of the top of the kettle cover 102 and the liquid inlet hose 406 and the liquid outlet hose 408, which makes the connection and discharge of the cooling medium more convenient, improves the convenience and safety of operation, and also facilitates the maintenance and repair of the cooling system.

[0049] See also Figure 3 , Figure 4 A waste gas outlet 113 is provided on one side of the kettle body 101, and a discharge port 112 is provided at the bottom of the kettle body 101. The waste gas outlet 113 provided on one side of the kettle body 101 and the discharge port 112 provided at the bottom allow the waste gas generated during the reaction to be discharged in time, and the material after the reaction is completed can also be conveniently unloaded, thereby improving the practicality and production efficiency of the reactor 1, and also meeting environmental protection requirements.

[0050] During the implementation, first, ensure that all parts of the reaction kettle 1, including the kettle body 101, the kettle cover 102, the cooling mechanism 4, the transmission mechanism 3, the mounting mechanism 2, the stirring motor 103, the ultrasonic transducer 107, etc., are complete and undamaged, and the kettle body 101 is stably placed in the predetermined position, ensuring that the bottom chassis 105 is in stable contact with the ground or the mounting platform;

[0051] Place the cooling ring 401 into the reaction chamber 106, ensuring that it fits tightly against the inner wall of the kettle body 101, install the spiral coil 405 into the second installation groove 404 of the cooling ring 401, and ensure that its liquid inlet and liquid outlet pass through the cooling ring 401, and connect the liquid inlet hose 406 and the liquid outlet hose 408 to the liquid inlet and liquid outlet of the spiral coil 405;

[0052] Place the kettle cover 102 stably on the top of the kettle body 101 and ensure that it is tightly sealed with the kettle body 101, install the stirring motor 103 on the kettle cover 102, and connect it to the rotating rod 109, and install the stirring rod 110 and the stirring blade 111 on the rotating rod 109, ensuring that they can rotate freely and do not contact the inner wall of the kettle body 101;

[0053] Install the ultrasonic transducer 107 on the kettle cover 102 and connect it to the vibration rod 108 through the horn, and put the vibration rod 108 into the reaction chamber 106 to ensure that it is in the correct position and does not interfere with other components;

[0054] Weld two connecting frames 201 to the outside of the base frame 105, disassemble the support ring 202 and connect it to the outside of the connecting frame 201, place the mounting seat 301 on the top of the support ring 202 and ensure that it is stable, install the servo motor 302 on the top of the mounting seat 301, and connect the screw rod 304, put the screw rod 304 into the screw rod slot 303 and ensure that it can rotate freely, engage the screw rod seat 305 on the screw rod 304, and connect the magnetic ring 306;

[0055] Connect the liquid nitrogen interface 114 and the liquid nitrogen outlet 115 to the liquid inlet hose 406 and the liquid outlet hose 408 respectively, ensuring that the connection is tight and leak-free;

[0056] When in use, it is necessary to first open the external liquid nitrogen supply system to allow the liquid nitrogen to flow into the cooling ring 401 through the liquid inlet hose 406, and then control the lifting and lowering of the magnetic ring 306 on the outside of the reactor 1 to use magnetic force to attract the iron block on the outside of the cooling ring 401, so as to quickly and effectively adjust the height of the cooling ring 401 in the reactor 1 in real time. According to actual needs and cooling effects, the position of the magnetic ring 306 is adjusted in time to change the height of the cooling ring 401.

[0057] The advantages of this technical solution in practical applications include but are not limited to the following:

[0058] 1. By setting up a cooling mechanism, a cooling ring is set on the inner wall of the reactor, and a spiral coil is embedded inside it. It is connected to an external cooling source such as liquid nitrogen through the liquid inlet hose and liquid outlet hose on the top, which can quickly absorb the heat in the reaction chamber and achieve rapid cooling. The copper-aluminum alloy conductive sheet set on the inner side of the cooling ring has good thermal conductivity and low temperature resistance. It can efficiently transfer the cold in the spiral coil to the material in the reaction chamber, ensuring that the material remains in a stable low-temperature state during the reaction process;

[0059] 2. An iron block is arranged on the outside of the cooling ring, which cooperates with the magnetic ring in the transmission mechanism. By controlling the servo motor in the transmission mechanism to drive the screw to rotate, the magnetic ring is driven to move up and down, so that the cooling ring can move up and down in the reaction chamber by magnetic attraction, so as to realize the flexible adjustment of the cooling position and optimize the cooling effect;

[0060] 3. The cooling ring is connected to the external cooling source through a liquid inlet hose, and the transmission mechanism also adopts a disassembly connection method, which simplifies the installation and maintenance process, shortens the reaction time and improves the reaction efficiency;

[0061] 4. A stable low-temperature environment helps control side reactions and improve product purity and quality. It also solves the problem of uneven local cooling and reduced cooling efficiency caused by uneven cooling medium flow, poor stirring effect, equipment aging or scaling, temperature control system fluctuations, and changes in material properties during long-term use of traditional chemical reactors.

Claims

1. A chemical reactor for rapid cooling in chemical production, characterized in that: The invention comprises a reaction kettle (1), wherein the reaction kettle (1) comprises a kettle body (101), a reaction chamber (106) is provided inside the kettle body (101), and a cooling mechanism (4) is provided inside the reaction chamber (106); The cooling mechanism (4) comprises a cooling ring (401), wherein a first mounting groove (402) and a second mounting groove (404) are respectively provided inside the cooling ring (401), wherein the first mounting groove (402) passes through one side of the cooling ring (401) and is provided with an iron ring (403); A spiral coil (405) is arranged in the second installation groove (404), and the liquid inlet end and the liquid outlet end of the spiral coil (405) both pass through the cooling ring (401), and a liquid inlet hose (406) and a liquid outlet hose (408) are respectively installed on the top of the liquid inlet end and the liquid outlet end of the spiral coil (405).

2. The chemical reactor for rapid cooling in chemical production according to claim 1, characterized in that: A conducting sheet (407) is arranged on the inner side of the cooling ring (401), and the conducting sheet (407) is made of copper-aluminum alloy.

3. The chemical reactor for rapid cooling in chemical production according to claim 1, characterized in that: A bottom frame (105) is provided at the bottom of the kettle body (101), and a transmission mechanism (3) is detachably connected to the outer side of the bottom frame (105) via a mounting mechanism (2).

4. The chemical reactor for rapid cooling in chemical production according to claim 3, characterized in that: The mounting mechanism (2) comprises two connecting frames (201), and the two connecting frames (201) are welded to the base frame (105).

5. The chemical reactor for rapid cooling in chemical production according to claim 4, characterized in that: The outer side of the connecting frame (201) is detachably connected to a support ring (202), and the top of the support ring (202) is detachably connected to a transmission mechanism (3).

6. The chemical reactor for rapid cooling in chemical production according to claim 3, characterized in that: The transmission mechanism (3) comprises a mounting seat (301), a servo motor (302) is arranged on the top of the mounting seat (301), a screw rod groove (303) is provided on the inner side of the mounting seat (301), a screw rod (304) is rotatably connected in the screw rod groove (303), the screw rod (304) is connected to the output end of the servo motor (302), a screw rod seat (305) is meshed on the screw rod (304), and a magnetic ring (306) is detachably connected to the inner side of the screw rod seat (305).

7. The chemical reactor for rapid cooling in chemical production according to claim 1, characterized in that: A kettle cover (102) is arranged on the top of the kettle body (101), and a stirring motor (103), a material inlet (104) and an ultrasonic transducer (107) are arranged on the top of the kettle cover (102). A vibration rod (108) is installed at the bottom of the ultrasonic transducer (107) via a horn, and the vibration rod (108) is arranged in the reaction chamber (106).

8. The chemical reactor for rapid cooling in chemical production according to claim 7, characterized in that: A rotating rod (109) is arranged at the bottom of the stirring motor (103), a stirring rod (110) is arranged at the bottom end of the rotating rod (109), and a stirring blade (111) is arranged above the outer side of the rotating rod (109).

9. The chemical reactor for rapid cooling in chemical production according to claim 7, characterized in that: A liquid nitrogen interface (114) and a liquid nitrogen outlet (115) are respectively arranged at positions on the top of the kettle cover (102) that are opposite to the liquid inlet hose (406) and the liquid outlet hose (408).

10. The chemical reactor for rapid cooling in chemical production according to claim 1, characterized in that: A waste gas outlet (113) is provided on one side of the kettle body (101), and a material discharge port (112) is provided at the bottom of the kettle body (101).

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