Reaction kettle for producing urea methacrylate

Abstract

The utility model discloses a reaction kettle for producing urea methacrylate, which comprises a reaction kettle main body, a stirring system, a temperature control system, a feeding system and a discharging system, a kettle cover is arranged on the reaction kettle main body, the stirring system comprises a driving device and a stirring shaft, the driving device is arranged at the top of the reaction kettle main body, and the temperature control system is arranged on the stirring shaft. One end of the stirring shaft is connected with the driving device, the other end of the stirring shaft extends into the reaction kettle body through the kettle cover, the temperature control system comprises a heating rod, a temperature controller and a temperature sensor, the heating rod and the temperature sensor are arranged in the reaction kettle body, the heating rod and the temperature sensor are connected with the temperature controller, and the temperature controller is connected with the temperature sensor. The feeding system comprises a feeding port, a raw material tank and a flow control valve, the feeding port is connected with the raw material tank through a pipeline, the flow control valve is arranged on the pipeline, the feeding port is formed in the kettle cover, and the discharging system is located at the bottom of the reaction kettle main body. The method is suitable for urea methacrylate production.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical equipment, and in particular relates to a reaction kettle for producing urea methacrylate. Background Art

[0002] Urea methacrylate is an important material for photocurable coatings, inks and adhesives. Traditional production methods need to be carried out under strictly controlled conditions to ensure high purity and high yield of the product. However, existing reaction equipment has certain deficiencies in temperature control, material mixing and safety, resulting in unstable production efficiency and product quality. Therefore, designing a reactor with good temperature control, stirring and safety performance is of great significance for improving the production efficiency and quality of urea methacrylate. Utility Model Content

[0003] The utility model aims to provide a reaction kettle for producing urea methacrylate, which improves temperature control, material mixing and safety performance by optimizing structural design, and solves the shortcomings of the prior art.

[0004] In order to achieve the above object, the technical solution of the utility model is as follows:

[0005] A reactor for producing urea methacrylate, comprising a reactor body, a stirring system, a temperature control system, a feeding system and a discharging system, wherein the reactor body is provided with a reactor cover, the stirring system comprises a driving device and a stirring shaft, the driving device is arranged at the top of the reactor body, one end of the stirring shaft is connected to the driving device, and the other end of the stirring shaft extends into the reactor body through the reactor cover, the temperature control system comprises a heating rod, a temperature controller and a temperature sensor, the heating rod and the temperature sensor are arranged in the reactor body, the heating rod and the temperature sensor are connected to the temperature controller, the feeding system comprises a feeding port, a raw material tank and a flow control valve, the feeding port is connected to the raw material tank through a pipeline, the flow control valve is arranged on the pipeline, the feeding port is opened on the reactor cover, and the discharging system is located at the bottom of the reactor body.

[0006] As an improvement of the utility model, the reactor body is a shell with a hollow interlayer inside, and a coolant inlet and a coolant outlet are provided on both sides of the reactor body. The reactor body can be quickly cooled by adding condensed water or circulating the coolant.

[0007] As an improvement of the present utility model, the discharging system includes a discharging port, a discharge valve, and a filter. The discharging port is opened at the bottom of the reactor body, the filter is installed at the discharging port, the discharging port is connected to an external pipeline, and the discharge valve is arranged at the connection between the discharging port and the external pipeline.

[0008] As an improvement of the utility model, a polymerization inhibitor adding port is also provided on the kettle cover, so as to facilitate adding the polymerization inhibitor after the reaction is finished.

[0009] As an improvement of the present utility model, the reactor also includes an automatic control system, which includes an information processing module, a control panel, and a PLC control module. The output end of the temperature sensor is connected to the input end of the information processing module, the output end of the information processing module is connected to the input end of the control panel, the output end of the control panel is connected to the input ends of the information processing module and the PLC control module, and the output end of the PLC control module is connected to the input end of the temperature controller, so as to realize automatic control and monitoring of the reaction process and improve the safety and stability of production.

[0010] As an improvement of the present utility model, the output end of the PLC control module is also connected to the input end of the flow control valve and the discharge valve, and the output end of the flow control valve and the discharge valve is connected to the input end of the information processing module.

[0011] The beneficial effects of the utility model are:

[0012] (1) The reactor body of the utility model adopts a shell structure with a hollow interlayer inside, and the coolant is circulated through the coolant inlet and the coolant outlet, so that the temperature control of the reactor is more accurate and reliable. The temperature control system includes a heating rod, a temperature controller and a temperature sensor, which can monitor and adjust the reaction temperature in real time, ensure the stability of the reaction conditions, avoid the occurrence of side reactions caused by temperature fluctuations, and improve the purity and yield of the product. In addition, the precise control of the temperature control system can also shorten the reaction time and improve production efficiency.

[0013] (2) The stirring system of the utility model is reasonably designed. The stirrer extends into the reactor through the reactor cover. The driving device is arranged on the top of the reactor body. One end of the stirring shaft is connected to the driving device, and the other end extends into the reactor. The stirrer type can be selected as an anchor stirrer or a ribbon stirrer according to the material characteristics to ensure that the materials are fully mixed during the reaction process, avoiding the problems of local overheating or uneven reaction, thereby ensuring the full progress of the reaction. The uniform mixing effect not only improves the reaction efficiency, but also reduces the undesirable phenomena during the reaction process, ensuring the quality of the product.

[0014] (3) The utility model is equipped with an advanced automatic control system, including an information processing module, a control panel and a PLC control module, which realizes full automatic control of the reaction process. Temperature sensors, flow control valves, discharge valves and other equipment are linked through the information processing module and the PLC control module, which can monitor and adjust the reaction parameters in real time to ensure the stability and safety of the production process. Through automatic control, the production process is more controllable, the product quality is more stable, and the production cost is effectively controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a framework diagram of the utility model.

[0017] List of Figure Symbols:

[0018] 1. Reactor body; 11. Reactor cover; 12. Coolant inlet; 13. Coolant outlet; 14. Inhibitor addition port; 21. Driving device; 22. Stirring shaft; 31. Heating rod; 32. Temperature sensor; 41. Feed inlet; 42. Raw material tank; 43. Flow control valve; 51. Discharge port; 52. Discharge valve; 53. Filter. DETAILED DESCRIPTION

[0019] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0020] In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0021] Example 1

[0022] As shown in the figure, a reactor for producing methacrylate urea, including a reactor body 1, a stirring system, a temperature control system, a feeding system and a discharging system. The reactor body 1 is a shell with a hollow interlayer inside, with a coolant inlet 12 and a coolant outlet 13 on both sides, and temperature control is achieved by circulating coolant. The stirring system includes a driving device 21 and a stirring shaft 22. The driving device 21 is arranged on the top of the reactor body 1. One end of the stirring shaft 22 is connected to the driving device 21, and the other end extends into the reactor through the reactor cover 11 to ensure uniform mixing of the materials. The temperature control system includes a heating rod 31, a temperature controller and a temperature sensor 32. The heating rod 31 and the temperature sensor 32 are arranged in the reactor body 1. The heating rod 31 and the temperature sensor 32 are connected to the temperature controller. The heating power of the heating rod 31 is adjusted by the temperature controller to achieve precise temperature control. The feeding system includes a feeding port 41, a raw material tank 42 and a flow control valve 43. The feeding port 41 is connected to the raw material tank 42 through a pipeline. The flow control valve 43 is arranged on the pipeline. The feeding port 41 is opened on the kettle cover 11 to facilitate the addition of raw materials. The discharging system includes a discharging port 51, a discharge valve 52 and a filter 53. The discharging port 51 is opened at the bottom of the reactor body 1. The filter 53 is installed at the discharging port 51. The discharge valve 52 is arranged at the connection between the discharging port 51 and the external pipeline to facilitate the discharge and filtration of the reaction product. The kettle cover 11 is also provided with an inhibitor addition port 14 to facilitate the addition of inhibitors after the reaction is completed.

[0023] Example 2

[0024] On the basis of Example 1, the reactor described in the utility model further includes an automatic control system, which includes an information processing module, a control panel and a PLC control module. The output end of the temperature sensor 32 is connected to the input end of the information processing module, the output end of the information processing module is connected to the input end of the control panel, the output end of the control panel is connected to the input end of the information processing module and the PLC control module, and the output end of the PLC control module is connected to the input end of the temperature controller to achieve automatic control of the temperature.

[0025] In addition, the output end of the PLC control module is also connected to the input end of the flow control valve 43 and the discharge valve 52, and the output end of the flow control valve 43 and the discharge valve 52 is connected to the input end of the information processing module, thereby realizing automatic control of the feeding and discharging processes and improving the safety and stability of production.

[0026] Specifically, the workflow of the utility model is as follows:

[0027] The utility model realizes efficient and safe production of urea methacrylate by designing the reactor body 1 and combining the optimized configuration of the stirring system, the temperature control system, the feeding system, the discharging system and the automatic control system.

[0028] (1) Material addition: Raw materials such as isocyanate, hydroxy acrylate, catalyst and solvent are added into the reactor in a set proportion through the feeding system.

[0029] (2) Temperature control: The reaction temperature is precisely controlled by the temperature control system to ensure the stability of the reaction conditions.

[0030] Stirring reaction: The stirring system mixes the reactants evenly and promotes the reaction.

[0031] (3) End of reaction: After the reaction is completed, a polymerization inhibitor is added through the polymerization inhibitor addition port 14 on the reactor cover 11 to prevent unwanted polymerization of the product.

[0032] (4) Discharging and Filtration: The reaction product is discharged through a discharging system, and impurities are filtered out to obtain urea methacrylate product.

[0033] (5) Automated control: The automated control system monitors and regulates the entire reaction process to improve the degree of automation and safety of production.

[0034] It should be noted that the accompanying drawings only illustrate the technical idea of ​​the utility model, and the protection scope of the utility model cannot be limited by this shape. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications all fall within the protection scope of the claims of the utility model.

Claims

1. A reactor for producing urea methacrylate, comprising a reactor body, a stirring system, a temperature control system, a feeding system, and a discharging system, characterized in that: The reactor body is provided with a reactor cover, the stirring system comprises a driving device and a stirring shaft, the driving device is arranged at the top of the reactor body, one end of the stirring shaft is connected to the driving device, and the other end of the stirring shaft extends into the reactor body through the reactor cover, the temperature control system comprises a heating rod, a temperature controller, and a temperature sensor, the heating rod and the temperature sensor are arranged in the reactor body, the heating rod and the temperature sensor are connected to the temperature controller, the feeding system comprises a feeding port, a raw material tank, and a flow control valve, the feeding port is connected to the raw material tank through a pipeline, the flow control valve is arranged on the pipeline, the feeding port is opened on the reactor cover, and the discharging system is located at the bottom of the reactor body.

2. The reactor for producing urea methacrylate according to claim 1, characterized in that: The reactor body is a shell with a hollow interlayer inside, and a coolant inlet and a coolant outlet are provided on both sides of the reactor body.

3. The reactor for producing urea methacrylate according to claim 1, characterized in that: The discharging system includes a discharging port, a discharge valve, and a filter. The discharging port is opened at the bottom of the reactor body, the filter is installed at the discharging port, the discharging port is connected to an external pipeline, and the discharge valve is arranged at the connection between the discharging port and the external pipeline.

4. The reactor for producing urea methacrylate according to claim 1, characterized in that: The kettle cover is also provided with an inhibitor adding port.

5. The reactor for producing urea methacrylate according to claim 3, characterized in that: The reactor also includes an automatic control system, which includes an information processing module, a control panel, and a PLC control module. The output end of the temperature sensor is connected to the input end of the information processing module, the output end of the information processing module is connected to the input end of the control panel, the output end of the control panel is connected to the input ends of the information processing module and the PLC control module, and the output end of the PLC control module is connected to the input end of the temperature controller.

6. The reactor for producing urea methacrylate according to claim 5, characterized in that: The output end of the PLC control module is also connected to the input end of the flow control valve and the discharge valve, and the output end of the flow control valve and the discharge valve is connected to the input end of the information processing module.

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