Reaction kettle for chemical safety production

Abstract

The utility model discloses a reaction kettle for chemical safety production, which comprises a kettle body, a feed inlet and a purification device, a first stirring component and a second stirring component are arranged in the kettle body, are sequentially connected in series from top to bottom and are driven to rotate by a driving motor, the feed inlet is communicated with the inside of the kettle body, and the purification device is arranged in the kettle body. When the pressure of gas in the kettle body reaches a critical value, the purification device is communicated with the interior of the kettle body, and the gas in the kettle body is collected, purified and discharged; the first stirring assembly and the second stirring assembly in the kettle body are connected in series up and down, so that a stirring dead angle can be effectively avoided, the raw material mixing uniformity is improved, the filtering assembly at the feed port can prevent impurities from entering the kettle body to influence the reaction, and the purification device is communicated with the kettle body when the gas pressure in the kettle body reaches a critical value. Gas in the kettle is collected, purified and discharged, and harmful gas is prevented from leaking to pollute the environment.

Description

Technical Field

[0001] This utility model relates to the field of chemical production equipment technology, specifically to a reaction vessel for safe chemical production. Background Technology

[0002] In the field of chemical production, reaction vessels are extremely critical equipment, widely used in many industries such as petroleum, chemical, rubber, pesticide, dye, pharmaceutical and food, to complete various processes such as sulfidation, nitration, hydrogenation, hydrocarbonation, polymerization and condensation.

[0003] With the development of chemical production, the requirements for reaction vessels are becoming increasingly stringent. On the one hand, the uniformity of stirring during the raw material mixing process directly affects the reaction effect and product quality. Traditional reaction vessels often have dead zones during stirring, which prevents the raw materials from being fully mixed, thereby affecting the efficiency and uniformity of the chemical reaction. This may lead to unstable product quality, increased defect rate, and economic losses for enterprises.

[0004] On the other hand, harmful gases are often generated during chemical reactions. While existing safety-type chemical reactors have certain safety protection functions, such as automatic pressure relief, they often cannot easily collect the leaked gas-liquid mixture during pressure relief, easily leading to air pollution and endangering the health of workers. Moreover, even if some reactors can collect harmful gases, they lack effective purification measures, allowing these gases to be directly released into the environment, causing long-term damage to the ecological environment and failing to meet the stringent requirements of environmental protection regulations. Utility Model Content

[0005] The purpose of this invention is to provide a reaction vessel for safe chemical production, so as to solve the problems of uneven stirring during raw material mixing and improper handling of harmful gases generated by chemical reactions in traditional reaction vessels.

[0006] This utility model is achieved through the following technical solution:

[0007] A reaction vessel for safe chemical production, comprising:

[0008] The vessel body is equipped with a first stirring component and a second stirring component inside the vessel body. The first stirring component and the second stirring component are connected in series and driven to rotate by a drive motor.

[0009] The feed inlet is connected to the interior of the vessel body, and a filter assembly is provided at the feed inlet;

[0010] The purification device connects to the inside of the vessel when the gas pressure inside the vessel reaches a critical value, collects, purifies, and discharges the gas inside the vessel.

[0011] In this design, the first and second stirring components inside the reactor are connected in series and driven by a motor to rotate. This effectively avoids dead zones in the stirring process, improves the uniformity of raw material mixing, and thus enhances the efficiency of the chemical reaction and the quality of the product. The filter component at the feed inlet prevents impurities from entering the reactor and affecting the reaction. The purification device connects to the reactor when the gas pressure inside the reactor reaches a critical value, enabling the collection, purification, and discharge of the gas inside the reactor. This prevents the leakage of harmful gases and environmental pollution, and protects the health of the workers.

[0012] As a further technical solution for the reactor, the first stirring assembly includes a stirring impeller, which is connected to the output end of the drive motor and is located on the bottom wall of the reactor body.

[0013] In this design, the stirring impeller is connected to the output of the drive motor and located on the bottom wall of the reactor. When the drive motor starts, the stirring impeller rotates rapidly at the bottom of the reactor. This configuration provides powerful stirring of the raw materials at the bottom of the reactor, causing them to move upwards and thus mixing the materials throughout the entire reactor. On one hand, it effectively breaks up any sedimentation that may occur at the bottom, preventing material buildup from affecting the reaction. On the other hand, the stirring action starting from the bottom facilitates the formation of overall convection circulation, allowing the raw materials to mix more thoroughly and evenly within the reactor, further improving the efficiency of the chemical reaction and ensuring the stability of product quality.

[0014] As a further technical solution for the reactor, the second stirring assembly includes a stirring frame, a rotating shaft, and stirring blades;

[0015] The rotating shaft is connected to the drive shaft of the stirring impeller, the stirring frame is connected to the outer wall of the rotating shaft and is evenly arrayed along the axis of the rotating shaft, and multiple stirring blades are provided and evenly connected between the stirring frame and the rotating shaft.

[0016] In this design, the rotating shaft is connected to the drive shaft of the stirring impeller, enabling the second stirring assembly to work in conjunction with the first stirring assembly. As the stirring impeller stirs the raw materials upwards from the bottom of the vessel, the stirring frame is evenly arrayed along the axis of the rotating shaft, and multiple stirring blades are evenly connected between the stirring frame and the rotating shaft, further enhancing the stirring effect. The stirring frame expands the stirring range, ensuring that the raw materials are fully agitated at different heights and radial positions. The stirring blades increase the contact area and points of action with the raw materials, achieving multi-angle and omnidirectional mixing. Working together with the first stirring assembly, they minimize dead zones, ensuring uniform mixing of the raw materials within the vessel and improving the efficiency and quality of the chemical reaction.

[0017] As a further technical solution for the reactor, a scraper is provided on the side of the stirring rack facing the inner wall of the reactor.

[0018] In this design, raw materials or reaction products may adhere to the inner wall of the reactor. The scraper can scrape the inner wall of the reactor as the stirring rack rotates, effectively preventing the accumulation or scaling of materials on the wall surface. This not only ensures the cleanliness of the inner wall of the reactor and maintains the good heat transfer performance of the reactor, making the heat transfer during the reaction process more uniform and stable, which is conducive to the normal progress of the reaction; but also promotes the re-participation of the adhered materials in the mixing reaction, improves the utilization rate of raw materials, reduces material waste, and further improves the efficiency of the chemical reaction and the quality of the products.

[0019] As a further technical solution for the reactor, the filtration assembly includes a sieve cylinder, which is connected to the feed inlet and located inside the reactor body. The bottom wall of the sieve cylinder is provided with evenly distributed filter holes.

[0020] In this design, during the feeding process, the raw material enters the sieve cylinder through the feed inlet. The sieve cylinder performs preliminary screening and filtration of the raw material using its filter holes. This effectively intercepts any larger particulate impurities or foreign objects that may be present in the raw material, preventing these impurities from entering the reactor and participating in the reaction.

[0021] As a further technical solution for the reactor, the filtration assembly also includes a vibrating plate, one end of which is connected to the sieve cylinder, and the other end of which is a free end extending toward the stirring frame.

[0022] In this design, one end of the vibrating plate is connected to the screen cylinder, and the other end is a free end that extends toward the stirring frame. When the stirring frame is working, the movement of the stirring frame can be transmitted to the vibrating plate. The vibration of the vibrating plate will cause the screen cylinder to shake accordingly, preventing the raw material from clogging the filter holes on the screen cylinder. At the same time, this vibration can also accelerate the flow speed of the raw material in the screen cylinder, allowing the raw material to pass through the filter holes more smoothly into the reactor.

[0023] As a further technical solution for the reactor, the free end of the vibrating plate is an arc segment, and the convex surface of the arc segment faces the stirring frame.

[0024] In this design, when the stirring frame rotates, the interaction between the stirring frame and the convex surface of the arc segment makes the force exerted by the stirring frame on the vibrating plate more uniform and gentle. This effectively avoids damage or deformation of the vibrating plate due to excessive local stress, thus ensuring the stability and service life of the vibrating plate. At the same time, the uniform force enables the vibrating plate to produce more stable and regular vibrations, thereby making the shaking of the screen cylinder more stable and effective.

[0025] As a further technical solution for the reactor, the purification device is connected to the interior of the reactor body through a pipeline, and a one-way valve is installed on the pipeline.

[0026] In this design, when the internal gas pressure of the vessel reaches a critical value, a one-way valve allows the gas inside the vessel to flow through the pipeline to the purification device, thereby achieving the collection, purification, and discharge of harmful gases. The one-way valve effectively prevents the purified gas from flowing back into the vessel, ensuring the one-way nature and effectiveness of the purification process.

[0027] As a further technical solution for the reactor, a condensation assembly is also provided on the pipeline, and the condensation assembly is located before the one-way valve.

[0028] In this solution, the condensation component lowers the gas temperature, causing condensable gases in harmful gases to condense into liquid and flow back in advance. On the one hand, this reduces the total amount of gas entering the purification device, lowers the workload of the purification device, and improves its purification efficiency and service life; on the other hand, it also allows for the recovery of some raw materials.

[0029] As a further technical solution for the reactor, the condensation assembly includes condenser plates and a cooling fan. The condenser plates are located inside the pipe, and the cooling fan is located outside the pipe and removes heat from the condenser plates.

[0030] In this scheme, when the gas inside the vessel flows through the pipeline, the condenser plate exchanges heat with the gas, which lowers the gas temperature and causes the condensable components to condense. The cooling fan continuously removes the heat generated by the heat exchange on the condenser plate, maintaining the condenser plate at a low temperature and ensuring its continuous and efficient condensation effect. This facilitates subsequent purification or collection, effectively prevents impurities from entering the purification device and affecting its performance, and ensures the stable operation of the purification device.

[0031] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0032] 1. This utility model achieves a comprehensive and multi-layered mixing effect by setting up a first stirring component and a second stirring component connected in series and driven by a drive motor. The stirring impeller stirs the raw materials at the bottom of the vessel and moves them upward. The stirring frame and stirring blades further expand the stirring range and mix the raw materials at multiple angles, effectively avoiding stirring dead corners and ensuring that the raw materials are evenly mixed in the vessel.

[0033] 2. In this utility model, the vibrating plate in the filter assembly is connected to the screen cylinder at one end, and the free end is an arc segment that is cleverly oriented towards the stirring frame. When the stirring frame is working, its movement will drive the vibrating plate to vibrate synchronously, thereby causing the screen cylinder to shake. This can effectively prevent the raw material from clogging at the filter holes of the screen cylinder and ensure the continuous and stable filtration effect.

[0034] 3. In this utility model, when the gas pressure inside the vessel reaches a critical value, the purification device is connected to the vessel through a pipeline to collect, purify and discharge the gas inside the vessel, thereby preventing harmful gases from leaking into the air and effectively preventing environmental pollution. Attached Figure Description

[0035] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0036] Figure 1 This is a schematic diagram of the structure of this utility model;

[0037] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0038] Figure 3 This is a schematic diagram of the top structure of this utility model;

[0039] Figure 4 for Figure 3 A magnified structural diagram of the structure marked A in the middle;

[0040] Figure 5 This is a schematic diagram of another embodiment of the present invention.

[0041] The attached diagram shows the markings and corresponding component names:

[0042] 1-Inlet, 2-Top cover, 3-Outer shell, 4-Bottom cover, 5-Drive motor, 6-Support leg, 7-Outlet, 8-Purification device, 9-Pipeline, 10-One-way valve, 11-Agitator frame, 12-Scraper, 13-Shaft, 14-Agitator impeller, 15-Agitator blade, 16-Mounting base, 17-Sieve cylinder, 18-Vibrating plate, 19-Arc segment, 20-Condensing plate, 21-Cooling fan. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0044] Example 1

[0045] This embodiment 1 provides a reaction vessel for safe chemical production, such as... Figures 1-4 As shown, it includes a vessel body, a feed inlet 1, and a purification device 8;

[0046] Please refer to Figure 1 and Figure 2As shown, the vessel body includes a top cover 2, an outer shell 3, a bottom cover 4, and support legs connected together from top to bottom. The feed inlet 1 is located above the top cover 2. One end of the feed inlet 1 is connected to an external feeding device, and the other end is connected to the inner cavity of the vessel body. A filter assembly is provided at the feed inlet 1. The bottom cover 4 is connected to an outward discharge port 7. The inside of the vessel body is equipped with a first stirring assembly and a second stirring assembly. The first stirring assembly and the second stirring assembly are connected in series and driven to rotate by a drive motor 5. When the gas pressure inside the vessel body reaches a critical value, the purification device 8 is connected to the inside of the vessel body to collect, purify, and discharge the gas inside the vessel body.

[0047] Specifically, the first stirring assembly includes a stirring impeller 14, which is located on the bottom wall of the inner cavity of the vessel, that is, above the bottom cover 4. The drive motor 5 is installed on the lower end face of the bottom cover 4 and drives the stirring impeller 14 to rotate, causing the raw materials to move upward and preventing the raw materials from accumulating.

[0048] Please also refer to Figure 2 and Figure 3 As shown, the second stirring assembly includes a stirring frame 11, a rotating shaft 13, and stirring blades 15. One end of the rotating shaft 13 is connected to the drive shaft of the stirring impeller 14, and the other end is rotatably connected to the mounting base 16 located on the lower end face of the top cover 2 via a bearing. When the stirring impeller 14 rotates, the rotating shaft 13 will rotate synchronously. The stirring frame 11 is connected to the outer wall of the rotating shaft 13 and is evenly arrayed with four or more blades along the axis of the rotating shaft 13. Multiple stirring blades 15 are provided and evenly connected between the stirring frame 11 and the rotating shaft 13.

[0049] Please refer to the following: Figure 3 and Figure 4 As shown, the filtration assembly includes a screen cylinder 17, which is connected to the feed inlet 1 and located inside the vessel body. The bottom wall of the screen cylinder 17 is provided with evenly distributed filter holes, through which the raw materials can be preliminarily screened and filtered.

[0050] Of course, to prevent the raw materials from clogging the filter holes on the screen cylinder 17, the above-mentioned filter assembly also includes a vibrating plate 18. One end of the vibrating plate 18 is connected to the screen cylinder 17, and the other end of the vibrating plate 18 is a free end that extends toward the stirring frame 11. The free end is an arc segment 19, and the arc convex surface of the arc segment 19 faces the stirring frame 11. When the stirring frame 11 rotates, the stirring frame 11 interacts with the arc convex surface of the arc segment 19, making the force exerted by the stirring frame 11 on the vibrating plate 18 more uniform and gentle, effectively avoiding damage or deformation of the vibrating plate 18 due to excessive local force.

[0051] In this embodiment, the purification device 8 is connected to the inside of the vessel through the pipe 9, and a one-way valve 10 is provided on the pipe 9. When the gas pressure inside the vessel reaches a critical value, the one-way valve 10 allows the gas inside the vessel to flow through the pipe 9 to the purification device 8, thereby realizing the collection, purification and discharge of harmful gases.

[0052] Example 2

[0053] This embodiment 2 provides another reaction vessel for safe chemical production based on the technical solution of embodiment 1, such as... Figures 1-5 As shown, a condensation assembly is also installed on the pipe 9. The condensation assembly is located before the one-way valve 10. The condensation assembly includes a condenser plate 20 and a cooling fan 21. The condenser plate 20 is located inside the pipe 9, and the cooling fan 21 is located outside the pipe 9 and removes the heat from the condenser plate 20. The condensation assembly reduces the gas temperature, causing condensable gases to condense into liquid and flow back in advance, which facilitates the recovery of some raw materials.

[0054] To prevent material from accumulating or scaling on the inner wall of the vessel, such as Figures 2-3 As shown, a scraper 12 is provided on the side of the stirring rack 11 facing the inner wall of the vessel. The scraper 12 can scrape the inner wall of the vessel as the stirring rack 11 rotates. The scraper 12 can be made of a soft material, such as rubber or polyurethane, to avoid damage to the inner wall of the vessel.

[0055] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A reaction vessel for safe chemical production, characterized in that, include: The vessel body is provided with a first stirring component and a second stirring component inside the vessel body. The first stirring component and the second stirring component are connected in series and driven to rotate by a drive motor (5). The feed inlet (1) is connected to the interior of the vessel body, and a filter assembly is provided at the feed inlet (1); Purification device (8): When the gas pressure inside the vessel reaches a critical value, the purification device (8) is connected to the inside of the vessel to collect, purify and discharge the gas inside the vessel.

2. The reaction vessel for safe chemical production according to claim 1, characterized in that, The first stirring assembly includes a stirring impeller (14), which is connected to the output end of the drive motor (5) and is located on the bottom wall of the vessel.

3. A reaction vessel for safe chemical production according to claim 2, characterized in that, The second stirring assembly includes a stirring frame (11), a rotating shaft (13), and stirring blades (15); The rotating shaft (13) is connected to the drive shaft of the stirring impeller (14), the stirring frame (11) is connected to the outer wall of the rotating shaft (13) and is evenly arrayed along the axis of the rotating shaft (13), and multiple stirring blades (15) are provided and evenly connected between the stirring frame (11) and the rotating shaft (13).

4. A reaction vessel for safe chemical production according to claim 3, characterized in that, The stirring rack (11) is provided with a scraper (12) on the side facing the inner wall of the vessel.

5. A reaction vessel for safe chemical production according to claim 3 or 4, characterized in that, The filtration assembly includes a sieve cylinder (17), which is connected to the feed inlet (1) and located inside the vessel body. The bottom wall of the sieve cylinder (17) is provided with evenly distributed filter holes.

6. A reaction vessel for safe chemical production according to claim 5, characterized in that, The filter assembly also includes a vibrating plate (18), one end of which is connected to the sieve cylinder (17), and the other end of which is a free end that extends toward the stirring frame (11).

7. A reaction vessel for safe chemical production according to claim 6, characterized in that, The free end of the vibrating plate (18) is an arc segment (19), and the convex surface of the arc segment (19) faces the stirring rack (11).

8. A reaction vessel for safe chemical production according to claim 6, characterized in that, The purification device (8) is connected to the inside of the vessel through a pipe (9), and a one-way valve (10) is provided on the pipe (9).

9. A reaction vessel for safe chemical production according to claim 8, characterized in that, A condensation assembly is also provided on the pipe (9), and the condensation assembly is located before the one-way valve (10).

10. A reaction vessel for safe chemical production according to claim 9, characterized in that, The condensation assembly includes a condenser plate (20) and a cooling fan (21). The condenser plate (20) is located inside the pipe (9), and the cooling fan (21) is located outside the pipe (9) and removes heat from the condenser plate (20).

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