Temperature control mechanism of cyclic sodium reaction kettle

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to a temperature control mechanism of a cyclic sodium reaction kettle, which comprises a kettle body, a top cover, a stirring component, a circulating pump, an upper conveying pipe, a lower conveying pipe, a heating module, a cooling module, a temperature control module and a temperature monitoring component, the top cover is detachably mounted at the top of the kettle body in a sealing manner. The reaction kettle is reasonable in design, compact in structure and easy and convenient to operate, the temperatures of different positions in the reaction kettle can be monitored in real time, and when the temperature is higher than or lower than a preset value, the temperature control module can automatically control the heating module or the cooling module to work; a heated or cooled medium is conveyed into the cavity in the inner wall of the kettle body through the upper conveying pipe and the lower conveying pipe by the circulating pump, so that materials in the kettle body are heated or cooled, accurate temperature control is realized, meanwhile, the materials can be more uniform in the reaction process in a stirring manner, and the reaction efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical equipment, especially relates to a temperature control mechanism of ring sodium reaction kettle. BACKGROUND

[0002] In the production process of ring sodium compound, as the core equipment, the internal reaction of ring sodium reaction kettle is extremely harsh to temperature conditions.

[0003] In the early stage, the temperature control mode of ordinary reaction kettle is relatively simple and rough, for example, only through simple heating rod heating, relying on the operator to observe the thermometer to manually adjust the heating or cooling, this kind of mode not only has low temperature control precision, the error often reaches ± 5 ℃ or even more, it is difficult to meet the strict requirements of ring sodium reaction to temperature, leading to unstable reaction process, product quality fluctuation is big, the rate of defective products is higher.

[0004] With the development of production process, although some reaction kettles with temperature control device appear, but there are still many problems in actual application. On the one hand, the traditional temperature control mechanism is difficult to realize the uniform control of the temperature at different positions in the reaction kettle, and the local overheating or overcooling phenomenon is easy to appear, which affects the consistency of the reaction and the uniformity of the product. On the other hand, the temperature monitoring mode is not perfect, such as some temperature sensors directly contacting the material, which are easy to be contaminated by the material, thereby affecting the accuracy and service life of the sensor, and the cleaning and maintenance are relatively cumbersome, which need to be stopped and disassembled, and seriously affect the production efficiency.

[0005] In addition, the traditional temperature control mechanism also has defects in the design of the circulating water system, the water injection and discharge operation is inconvenient, the circulating water is not evenly distributed, and the heat transfer cannot be carried out efficiently, resulting in insufficient flexibility and accuracy of temperature control. These problems seriously restrict the production efficiency and product quality of ring sodium reaction kettle, and a new and more efficient and accurate temperature control mechanism is needed to solve the above problems.

[0006] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model, and should not be regarded as acknowledging or implying in any form that it constitutes prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at solving the shortcomings mentioned in the background art, and provides a temperature control mechanism of ring sodium reaction kettle.

[0008] The above technical purpose of the utility model is realized by the following technical scheme: a temperature control mechanism of ring sodium reaction kettle, comprising a kettle body, a top cover, a stirring assembly, a circulating pump, an upper conveying pipe, a lower conveying pipe, a heating module, a cooling module, a temperature control module and a temperature monitoring assembly.

[0009] The top cover is detachably and sealingly installed on the top of the kettle body, the stirring assembly is arranged on the top cover and extends into the kettle body, the circulating pump, the heating module, the cooling module and the temperature control module are fixedly installed on the outer side of the kettle body, the inner wall of the kettle body is provided with cavities, the upper conveying pipe and the lower conveying pipe are fixedly installed on the kettle body and are connected with the water inlet of the circulating pump and the water outlet of the temperature control module respectively, and the upper conveying pipe and the lower conveying pipe are connected with the cavities on the inner wall of the kettle body, and the water outlet of the circulating pump and the water inlet of the temperature control module are connected with the connecting pipes, and the two connecting pipes are connected with the heating module and the cooling module respectively.

[0010] A plurality of installation holes are formed in the kettle body, and a plurality of sleeve pipes are sealingly and fixedly installed in the installation holes.

[0011] Preferably, the temperature monitoring assembly comprises a plurality of mounting seats and a plurality of temperature sensors, and the mounting seats are detachably installed in the sleeve pipes.

[0012] Preferably, the mounting seat is connected with the inner wall of the sleeve pipe in a threaded manner.

[0013] Preferably, the side, away from the central axis of the kettle body, of the mounting seat extends to the outside of the kettle body and is fixedly installed with a handle.

[0014] Preferably, a plurality of annular grooves are formed in the inner wall of the kettle body, a plurality of heat-conducting rings are sealingly and fixedly installed in the annular grooves, and the plurality of temperature sensors are in movable sealing abutment with the corresponding heat-conducting rings.

[0015] Preferably, the stirring assembly comprises a motor, a rotating shaft, a plurality of stirring rods and a plurality of stirring paddles, the motor is fixedly installed on the top cover, the output shaft of the motor is axially fixedly connected with the rotating shaft, the rotating shaft is fixedly installed with the plurality of stirring rods and the plurality of stirring paddles, and the plurality of stirring rods are located above the plurality of stirring paddles.

[0016] Preferably, a branch pipe is fixedly installed on the lower conveying pipe, and a control valve is fixedly installed on the branch pipe.

[0017] Preferably, the upper conveying pipe is fixedly installed with an annular pipe at one end extending into the cavity on the inner wall of the kettle body, and a plurality of vertical pipes downwardly arranged are fixedly installed on the annular pipe.

[0018] Preferably, a liquid level pipe in a U-shaped arrangement is fixedly installed on the kettle body, the liquid level pipe is transparent, and the two ends of the liquid level pipe are in communication with the cavities on the inner wall of the kettle body.

[0019] The kettle body has the following advantages:

[0020] Through the cooperation of components such as circulating pumps, temperature control modules, heating modules and cooling modules, the temperature of the material in the kettle body can be accurately controlled, and the stability and safety of the reaction process are ensured.

[0021] Firstly, the circulating pump sends circulating water into the cavity of the inner wall of the kettle body through the upper and lower delivery pipes, and the heat conduction performance of water is utilized to heat or cool the material in the kettle body, the heating module and the cooling module are connected with the water outlet of the circulating pump and the water inlet of the temperature control module through the communication pipes respectively, and the heating or cooling mode can be switched according to the needs, and the temperature control module is responsible for monitoring and controlling the temperature of the circulating water, so that the material can always be in the ideal reaction temperature range.

[0022] In addition, the temperature monitoring assembly can monitor the temperature of different positions in the kettle body in real time, so that the accuracy and uniformity of temperature control are ensured, and the temperature monitoring can be carried out without contacting the material through the heat conduction ring and the temperature sensor, so that the risk of material pollution is avoided, and the temperature sensor is connected with the sleeve through the threaded installation mode, so that the disassembly and maintenance are facilitated.

[0023] The design of the stirring assembly ensures the sufficient mixing of the material during the reaction process, improves the reaction efficiency and product quality, and the motor drives the rotating shaft to rotate, drives the stirring rod and the stirring paddle to stir the material, and ensures that the material is always in a uniform state during the reaction process.

[0024] The branch pipe and the control valve arranged on the lower delivery pipe can inject or discharge circulating water into the cavity of the inner wall of the kettle body according to the needs, which further improves the flexibility and accuracy of temperature control, and the water injection before use and the water discharge after use, and the annular pipe arranged at one end of the upper delivery pipe extending to the cavity of the inner wall of the kettle body and the plurality of downwardly arranged vertical pipes can simultaneously extract water from multiple positions, so that the uniform distribution and efficient utilization of circulating water are ensured.

[0025] Finally, the transparent liquid level pipe arranged on the kettle body facilitates the observation of the liquid level height in the cavity of the inner wall of the kettle body, so that the circulating water can be supplemented or discharged in time, and the normal operation of the temperature control mechanism and the stability of the reaction process are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.

[0027] Figure 1 A perspective structural schematic view of a temperature control mechanism of a ring sodium reaction kettle is provided.

[0028] Figure 2 for Figure 1 A partial sectional view of the structure;

[0029] Figure 3 for Figure 1 A schematic diagram of a partial three-dimensional structure;

[0030] Figure 4 This is a schematic diagram of the top cover and stirring assembly components proposed in this utility model;

[0031] Figure 5 This is a schematic diagram of the structure of the heat-conducting ring, temperature monitoring component, handle, and liquid level tube proposed in this utility model.

[0032] Figure 6 This is a schematic diagram of the structure of the annular pipe, upper conveying pipe, lower conveying pipe, branch pipe, control valve, temperature control module, heating module, cooling module, circulating pump and connecting pipe of the present invention.

[0033] In the diagram: 1. Vessel body; 11. Top cover; 12. Annular groove; 13. Sleeve; 14. Liquid level pipe; 2. Motor; 21. Rotating shaft; 22. Stirring rod; 23. Stirring paddle; 3. Upper conveying pipe; 31. Annular pipe; 32. Circulating pump; 33. Heating module; 34. Cooling module; 35. Temperature control module; 36. Lower conveying pipe; 37. Branch pipe; 371. Control valve; 4. Heat-conducting ring; 41. Mounting base; 42. Temperature sensor. Detailed Implementation

[0034] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0035] Reference Figures 1-6The utility model relates to a temperature control mechanism of ring sodium reaction kettle, including kettle body 1, top cover 11, circulating pump 32, upper delivery pipe 3, lower delivery pipe 36, heating module 33, cooling module 34 and temperature control module 35, top cover 11 detachable sealing installation is in the top of kettle body 1, top cover 11 fixedly installed with motor 2, the output shaft of motor 2 is connected with the shaft of rotation 21 axially, a plurality of stirring rods 22 and a plurality of stirring paddles 23 are fixedly installed on the shaft of rotation 21, and a plurality of stirring rods 22 are located above a plurality of stirring paddles 23, can be for the material in kettle body 1 fast stirring mixing operation, circulating pump 32, heating module 33, cooling module 34 and temperature control module 35 are fixedly installed on the outside of kettle body 1, and the inner wall of kettle body 1 is provided with cavity, upper delivery pipe 3 and lower delivery pipe 36 are fixedly installed on kettle body 1 and are connected with the water inlet of circulating pump 32 and the water outlet of temperature control module 35 respectively, and upper delivery pipe 3 and lower delivery pipe 36 are connected with the cavity on the inner wall of kettle body 1, and the water outlet of circulating pump 32 and the water inlet of temperature control module 35 are connected with the communication pipe, and the two communication pipes are connected with heating module 33 and cooling module 34 respectively,

[0036] A plurality of mounting holes are formed in the kettle body 1, a plurality of sleeve pipes 13 are sealingly and fixedly installed in the mounting holes, a plurality of mounting seats 41 are detachably installed in the sleeve pipes 13, a temperature sensor 42 is fixedly installed on the side of the mounting seat 41 close to the central axis of the kettle body 1, and the temperature sensor 42 can be used to monitor the temperature at different positions in the kettle body 1 in real time. In order to facilitate the disassembly and assembly of the temperature sensor 42 during the rotation of the mounting seat 41, the mounting seat 41 is connected to the inner wall of the sleeve pipe 13 by screwing, and a handle is fixedly installed on the side of the mounting seat 41 away from the central axis of the kettle body 1 and extending out of the kettle body 1, thereby greatly improving the convenience of disassembly and assembly of the temperature sensor 42. In order to achieve real-time temperature monitoring without the temperature sensor 42 contacting the material in the kettle body 1, a plurality of annular grooves 12 are formed in the inner wall of the kettle body 1, a plurality of heat-conducting rings 4 are sealingly and fixedly installed in the annular grooves 12, and a plurality of temperature sensors 42 are in movable sealing abutment with the corresponding heat-conducting rings 4.

[0037] In this embodiment, in order to facilitate water injection and drainage operation into the cavity on the inner wall of the kettle body 1 as needed, a branch pipe 37 is fixedly installed on the lower delivery pipe 36, and a control valve 371 is fixedly installed on the branch pipe 37.

[0038] In this embodiment, in order to be able to extract water from multiple positions in the cavity on the inner wall of the kettle body 1 at the same time, an annular pipe 31 is fixedly installed on one end of the upper delivery pipe 3 extending into the cavity on the inner wall of the kettle body 1, and a plurality of downward vertical pipes are fixedly installed on the annular pipe 31.

[0039] In this embodiment, in order to facilitate the observation of the liquid level height in the cavity on the inner wall of the kettle body 1, a liquid level pipe 14 in U-shaped arrangement is fixedly installed on the kettle body 1, the liquid level pipe 14 is transparent, and the two ends of the liquid level pipe 14 are in communication with the cavity on the inner wall of the kettle body 1.

[0040] For the circuits, electronic components and module mechanisms involved, those skilled in the art can implement them without further description, and the content protected by the present application does not involve the improvement of software, circuits and methods.

[0041] Among them, it is worth noting that the communication pipe connected with the circulating pump 32 at the upper part is provided with double outlets, the communication pipe connected with the temperature control module 35 at the lower part is provided with double inlets, and an electric control valve (not shown in the figure) is fixedly installed on the position close to the heating module 33 and the cooling module 34 of the upper communication pipe. According to the temperature value received by the temperature sensor 42, the temperature control module 35 compares the preset temperature value, calculates the heating or cooling energy that needs to be increased or decreased through PID, and then sends a control instruction to adjust the working state of the liquid returning through the heating module 33 or the cooling module 34 device.

[0042] Working principle: in use, first turn on the power, inject an appropriate amount of water into the cavity on the inner wall of the kettle body 1 through the branch pipe 37, and the liquid level height is preferably submerged in the annular pipe 31, then close the control valve 371 and start the circulating pump 32, inject the material to be processed into the kettle body 1, and seal the kettle body 1 through the top cover 11, then start the motor 2, the output shaft of the motor 2 drives the rotating shaft 21 to rotate, and the stirring rod 22 and the stirring paddle 23 on the rotating shaft 21 stir and mix the material in the kettle body 1 quickly, ensuring uniform distribution of the material, at the same time, according to the reaction needs, the temperature control module 35 will monitor and control the temperature of the circulating water.

[0043] When heating is needed, the temperature control module 35 opens the electric control valve connected with the heating module 33, so that the circulating water is heated through the heating module 33, and when cooling is needed, the electric control valve connected with the cooling module 34 is opened, so that the circulating water is cooled through the cooling module 34. The heated or cooled circulating water is sent into the cavity on the inner wall of the kettle body 1 by the circulating pump 32 through the lower delivery pipe 36, and the heat conduction performance of water is used to heat or cool the material in the kettle body 1. The circulating water in the cavity is continuously delivered through the upper delivery pipe 3 and flows through the temperature control module 35 again, forming a circulation. In this process, the multiple temperature sensors 42 monitor the temperature at different positions in the kettle body 1 in real time and feed back the data to the temperature control module 35. The temperature control module 35 compares the feedback data with the preset temperature value, calculates the heating or cooling energy that needs to be adjusted through the PID algorithm, and sends a control instruction to adjust the working state of the heating module 33 or the cooling module 34, so as to realize the accurate control of the temperature of the material in the kettle body 1.

[0044] In addition, by observing the liquid level in the liquid level tube 14, the circulating water in the cavity of the inner wall of the kettle body 1 can be known in time, the circulating water can be supplemented or discharged in time, the normal operation of the temperature control mechanism is ensured, the temperature control mechanism is designed reasonably, operation is simple, and the stability and safety of the reaction process can be greatly improved.

[0045] The temperature control mechanism of the ring sodium reaction kettle is described in detail. The principle and implementation of the present application are described in this paper. The above examples are used to help understand the method and core idea of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the principles of the present application, the present application can be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A temperature control mechanism for a sodium cyclic reactor, characterized in that, It includes a vessel body (1), a top cover (11), a stirring assembly, a circulating pump (32), an upper conveying pipe (3), a lower conveying pipe (36), a heating module (33), a cooling module (34), a temperature control module (35), and a temperature monitoring assembly; The top cover (11) is detachably and sealed on the top of the vessel body (1). The stirring assembly is set on the top cover (11) and extends into the vessel body (1). The circulating pump (32), heating module (33), cooling module (34) and temperature control module (35) are all fixedly installed on the outside of the vessel body (1). A cavity is provided on the inner wall of the vessel body (1). The upper conveying pipe (3) and the lower conveying pipe (36) are both fixedly installed on the vessel body (1) and are respectively connected to the inlet of the circulating pump (32) and the outlet of the temperature control module (35). The upper conveying pipe (3) and the lower conveying pipe (36) are both connected to the cavity on the inner wall of the vessel body (1). The outlet of the circulating pump (32) and the inlet of the temperature control module (35) are both connected to a connecting pipe. The two connecting pipes are respectively connected to the heating module (33) and the cooling module (34). The vessel body (1) has multiple mounting holes, and each mounting hole is sealed and fixed with a sleeve (13). The temperature monitoring component is installed inside the multiple sleeves (13).

2. The temperature control mechanism for a sodium cyclic reactor according to claim 1, characterized in that: The temperature monitoring assembly includes multiple mounting bases (41) and multiple temperature sensors (42). The mounting bases (41) can be detachably installed in multiple sleeves (13). The temperature sensors (42) are fixedly installed on the side of the mounting base (41) near the central axis of the vessel body (1).

3. The temperature control mechanism for a sodium cyclic reactor according to claim 2, characterized in that: The mounting base (41) is connected to the inner wall of the sleeve (13) by means of threaded installation.

4. The temperature control mechanism for a sodium cyclic reactor according to claim 2, characterized in that: The mounting base (41) extends to the outside of the vessel body (1) on the side away from the central axis of the vessel body (1) and is fixedly mounted with a handle.

5. The temperature control mechanism for a sodium cyclic reactor according to claim 2, characterized in that: The inner wall of the vessel body (1) is provided with multiple annular grooves (12), and each annular groove (12) is sealed and fixedly installed with a heat-conducting ring (4). Multiple temperature sensors (42) are respectively in movable and sealed contact with the corresponding heat-conducting ring (4).

6. The temperature control mechanism for a sodium cyclic reactor according to claim 1, characterized in that: The stirring assembly includes a motor (2), a rotating shaft (21), multiple stirring rods (22) and multiple stirring paddles (23). The motor (2) is fixedly installed on the top cover (11). The rotating shaft (21) is axially fixedly connected to the output shaft of the motor (2). Multiple stirring rods (22) and multiple stirring paddles (23) are fixedly installed on the rotating shaft (21), and the multiple stirring rods (22) are located above the multiple stirring paddles (23).

7. The temperature control mechanism for a sodium cyclic reactor according to claim 1, characterized in that: A branch pipe (37) is fixedly installed on the lower conveying pipe (36), and a control valve (371) is fixedly installed on the branch pipe (37).

8. The temperature control mechanism for a sodium cyclic reactor according to claim 1, characterized in that: The upper conveying pipe (3) extends to one end of the cavity on the inner wall of the vessel body (1) and is fixedly installed with an annular pipe (31). Multiple downward-facing vertical pipes are fixedly installed on the annular pipe (31).

9. The temperature control mechanism for a sodium cyclic reactor according to claim 1, characterized in that: A U-shaped liquid level tube (14) is fixedly installed on the vessel body (1). The liquid level tube (14) is transparent, and both ends of the liquid level tube (14) are connected to the cavity on the inner wall of the vessel body (1).

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