Feeding devices and reaction equipment for reactors

Abstract

This utility model relates to a feeding device and reaction equipment for a reactor. The feeding device includes: a feeding component, which includes multiple inlets and a first conveying channel, all of which are connected to the first conveying channel; a mixing component, which includes a second conveying channel and a stirring element; the inlet of the second conveying channel is connected to the outlet of the first conveying channel, and its outlet is a feed port for conveying materials to the reactor; the stirring element is at least partially located in the second conveying channel and is used to stir the liquid in the second conveying channel. This feeding device improves feeding efficiency, reduces the number of openings in the reactor, improves the airtightness of the reactor, reduces the manufacturing cost of the reactor, and can also pre-mix materials, improving reaction mixing efficiency, increasing production capacity, reducing the energy consumption of the reactor's motor, reducing the maintenance cost of the reaction equipment, and extending its service life, thus enriching the functionality of the feeding device.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, and in particular to a feeding device and reaction equipment for a reaction vessel. Background Technology

[0002] A reaction vessel is a closed container widely used in industries such as chemical, pharmaceutical, food, and materials. It is mainly used for physical or chemical reactions (such as sulfidation, nitration, hydrogenation, hydrocarbonation, polymerization, and condensation).

[0003] Reactions typically require multiple materials. If the reactor has only one inlet, the next material cannot be added until the previous one has finished feeding, resulting in a long feeding time. To accelerate the reaction of multiple materials, multiple inlets are usually opened on the reactor lid, each connected to a corresponding feed pipe. This increases the cost of opening the inlets, reduces the reactor's airtightness, increases the risk of leaks, causing environmental pollution, and increases the difficulty of sealing, manufacturing costs, and maintenance. Furthermore, each feed pipe requires process components such as flow meters, control valves, and sight glasses. Each additional component adds a leak point at the connection, increasing the workload of equipment inspection and maintenance.

[0004] In addition, the patent with announcement number CN213528569U discloses a liquid feeding device for a reaction vessel used in the production of active pharmaceutical ingredients. By setting a first feeding pipe and a second feeding pipe that are respectively connected to the raw material main pipe, the purpose of simultaneously feeding multiple liquid raw materials or pharmaceuticals can be achieved. However, this feeding device has a single function. Utility Model Content

[0005] Based on the aforementioned deficiencies in the existing technology, the purpose of this utility model is to provide a feeding device that can improve feeding efficiency, reduce the number of openings on the reactor, improve the airtightness of the reactor, reduce the manufacturing cost of the reactor, and also pre-mix materials to improve the efficiency of reaction mixing, increase production capacity, reduce the energy consumption of the reactor motor, reduce the maintenance cost of the reaction equipment, extend the service life, and make the feeding device more functional.

[0006] Therefore, the present invention provides the following technical solution.

[0007] This utility model provides a feeding device for a reaction vessel, the feeding device comprising: The feeding component includes multiple feeding ports and a first conveying channel, with all of the feeding ports respectively connected to the first conveying channel; A mixing component includes a second conveying channel and a stirring element; the inlet of the second conveying channel is connected to the outlet of the first conveying channel, and its outlet is a feed port for conveying materials to a reactor; the stirring element is at least partially located in the second conveying channel and is used to stir the liquid in the second conveying channel.

[0008] Optionally, the feeder is sealed to the mixing component so that the inlet of the second conveying channel is connected to the outlet of the first conveying channel.

[0009] Optionally, both the feeding component and the mixing component are cylindrical structures.

[0010] Optionally, the central axis of the feeder coincides with the central axis of the mixer.

[0011] Optionally, one end of the feeder forms a first feed inlet, and the other end forms an outlet of the first conveying channel.

[0012] Optionally, the feeding component may further include one or more feeding branch pipes, and the port of one feeding branch pipe constitutes a second feeding port.

[0013] Optionally, the central axis of the feed branch pipe is perpendicular to the central axis of the feed element.

[0014] Optionally, the stirring element includes a stirring shaft and a plurality of blades, all of which are staggered along the axial direction of the stirring shaft and the extending directions of two adjacent blades are opposite.

[0015] Optionally, the mixing element further includes a plurality of baffles; all the baffles are located downstream of the stirring element and are arranged alternately along the extension direction of the second conveying channel.

[0016] This utility model also provides a reaction apparatus, the reaction apparatus comprising: The feeding device for the reactor as described above; The reactor includes a material inlet end; the outlet of the second conveying channel of the feeding device is directly or indirectly connected to the material inlet end.

[0017] This utility model has the following technical effects: This invention provides a feeding device that, through the cooperation of a feeding component and a mixing component, can simultaneously feed multiple materials and pre-mix materials. Existing reactors require stirring during the feeding process of different materials to be mixed, which increases the overall stirring time of the reactor. This invention, however, allows the feeding device to pre-mix materials during the material feeding process, improving reaction mixing efficiency, reducing stirring time in the reactor, and lowering motor energy consumption. This feeding device improves feeding efficiency, reduces the number of openings in the reactor, improves the reactor's airtightness, lowers manufacturing costs, and pre-mixes materials, thus increasing reaction mixing efficiency, increasing production capacity, reducing motor energy consumption, lowering maintenance costs, and extending the service life of the reaction equipment. The feeding device offers more comprehensive functionality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the feeding device of this utility model; Figure 2 This is a schematic diagram of the reaction equipment of this utility model.

[0019] Explanation of reference numerals in the attached figures 100. Reaction equipment; 1. Feeding device; 11. Feeding component; 111. First feed inlet; 112. Feeding branch pipe; 1121. Second feed inlet; 113. Grounding plate; 12. Mixing component; 121. Second conveying channel; 1211. Feed port; 122. Agitating element; 1221. Paddle; 123. Baffle; 2. Reactor; 21. Material inlet end; 22. Agitator; 3. Pipes. Detailed Implementation

[0020] To make the technical solution and beneficial effects of this utility model more apparent and understandable, a detailed description is provided below by listing specific embodiments. Unless otherwise defined, the technical and scientific terms used herein have the same meanings as those in the technical field to which this application pertains.

[0021] In the description of this utility model, unless otherwise expressly defined, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. That is, they should not be construed as limitations on this utility model.

[0022] In this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating the relative importance of the indicated features or the number of indicated technical features. Therefore, a feature specified as "first" or "second" can explicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two; "several" means at least one; unless otherwise expressly defined.

[0023] In this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "linking," "fixing," and "setting," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can also refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] In this utility model, unless otherwise explicitly defined, the terms "above," "on top of," "above," "over," "below," "below," "below," or "below" for "first feature above second feature" can refer to direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Furthermore, "above," "above," and "over" for "first feature above second feature" can mean the first feature is directly above or diagonally above the second feature, or simply indicates that the horizontal height of the first feature is higher than the horizontal height of the second feature. Similarly, "below," "below," and "below" for "first feature below second feature" can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the horizontal height of the first feature is lower than the horizontal height of the second feature.

[0025] In this utility model, "upper" and "lower" refer to... Figure 2 The markings in the text shall prevail.

[0026] The following is based on Figures 1 to 2 The reaction apparatus of this utility model is described in detail.

[0027] In this embodiment, such as Figure 1 and Figure 2 As shown, the reaction equipment 100 includes a feeding device 1 and a reaction vessel 2. The feeding device 1 includes a feeding component 11 and a mixing component 12. The feeding component 11 includes multiple feed ports and a first conveying channel (not shown in the figure). All feed ports are connected to the first conveying channel. Multiple materials can be simultaneously fed into the first conveying channel through the multiple feed ports to reduce the total feeding time of the feeding device 1, thereby increasing the reaction batch size of the reaction equipment 100 and improving production efficiency. The mixing component 12 includes a second conveying channel 121 and a stirring element 122. The inlet of the second conveying channel 121 is connected to the outlet of the first conveying channel. Thus, the material fed into the feeding component 11 is input into the mixing component 12 via the first conveying channel. The outlet of the second conveying channel 121 is a feed port 1211, which is directly connected (e.g., by a flange connection) or indirectly connected (e.g., by a pipe 3) to the material inlet end 21 of the reaction vessel 2. The second conveying channel 121 conveys materials to the reaction vessel 2. The stirring element 122 is at least partially located in the second conveying channel 121, and is used to stir the liquid material in the second conveying channel 121. If multiple materials are simultaneously fed in using the feeder 11, the materials are first initially mixed in the first conveying channel, and then conveyed to the second conveying channel 121. Under the stirring action of the stirring element 122, all the materials can be further and fully mixed, improving the uniformity of the mixture. Finally, the materials after being stirred and mixed by the mixing element 12 are conveyed to the reaction vessel 2. The reaction vessel 2 is equipped with a stirring paddle 22, and the materials in the reaction vessel 2 are further mixed and reacted under the stirring action of the stirring paddle 22.

[0028] In the above technical solution, the feeding device 1, through the cooperation of the feeding component 11 and the mixing component 12, has the function of simultaneously feeding multiple materials and pre-mixing materials. Existing reactors require the activation of the reactor's agitation during the feeding process of different materials to be mixed, which increases the overall agitation time of the reactor. In this application, the feeding device 1 can pre-mix the materials during the feeding process of the reactor 2, improving the reaction mixing efficiency, reducing the agitation time in the reactor 2, and lowering the motor energy consumption of the reactor 2. The feeding device 1 in this solution can improve feeding efficiency, reduce the number of openings in the reactor 2, improve the airtightness of the reactor 2, reduce the manufacturing cost of the reactor 2, and also pre-mix materials, improving reaction mixing efficiency, increasing production capacity, reducing the maintenance cost of the reaction equipment, and extending its service life. The feeding device 1 has more comprehensive functions.

[0029] In one implementation, such as Figure 1As shown, the feed component 11 and the mixing component 12 are two independent parts. Therefore, during assembly, the feed component 11 and the mixing component 12 are assembled separately first, and then the feed component 11 and the mixing component 12 are assembled together. This facilitates the installation of the stirring element 122 into the mixing component 12. The feed component 11 and the mixing component 12 are sealed together so that the inlet of the second conveying channel 121 communicates with the outlet of the first conveying channel. The connection methods include, but are not limited to, flange connection, threaded connection, welding, clamp connection, and quick-connect coupling connection. Of course, the feed component 11 and the mixing component 12 can also be integrally formed parts.

[0030] In one implementation, such as Figure 1 As shown, both the feeder 11 and the mixer 12 are cylindrical structures, which helps to reduce dead corners on the inner walls of the feeder 11 and the mixer 12 and reduce material residue.

[0031] Furthermore, such as Figure 1 As shown, the central axis of the feeder 11 coincides with the central axis of the mixer 12. On the one hand, this facilitates the alignment of the first conveying channel and the second conveying channel 121, thereby enabling the first conveying channel to quickly convey materials to the second conveying channel 121. On the other hand, it improves the symmetry of the feeder 1's appearance, thus enhancing its aesthetics. Of course, the central axis of the feeder 11 and the central axis of the mixer 12 may not coincide.

[0032] In one implementation, such as Figure 1 As shown, one end of the feed member 11 forms the first feed port 111, and the other end forms the outlet of the first conveying channel. Specifically, since the feed member 11 has a cylindrical structure, directly using the ports at both ends of the feed member 11 as the first feed port 111 and the outlet respectively simplifies the structure of the feed member 11. In addition, the inner diameter of the ports at both ends of the feed member 11 can be configured as close as possible to the inner diameter of the main body of the feed member 11. This is beneficial to increasing the feeding speed of the first feed port 111 and the speed at which the first conveying channel conveys liquid to the second conveying channel 121.

[0033] It should be understood that in chemical production, reactions typically require at least primary materials and auxiliary materials. Primary materials are the main raw materials that are directly converted into products in chemical production, and their usage is relatively large. Since the first feed inlet 111 is relatively large, it can be used to feed primary materials or auxiliary materials used in large quantities.

[0034] Furthermore, such as Figure 1As shown, the feed component 11 also includes one or more feed branch pipes 112. The opening of one feed branch pipe 112 constitutes a second feed port 1121. The number of feed branch pipes 112 can be one, two, three, or even more. The number of second feed ports 1121 is equal to the number of feed branch pipes 112. Specifically, the inner diameter of the feed branch pipe 112 should not be too large, so that the size of the second feed port 1121 is not too large. The second feed port 1121 can be used to feed auxiliary materials or main materials in small quantities.

[0035] Furthermore, such as Figure 1 and Figure 2 As shown, the central axis of the feed branch pipe 112 is perpendicular to the central axis of the feed component 11. Thus, after assembling the feed device 1 with the reactor 2, the central axis of the feed component 11 extends horizontally, and the central axis of the feed branch pipe 112 is perpendicular to the horizontal direction. This avoids material residue in the feed branch pipe 112 and improves the accuracy of the feed rate. Preferably, to improve the feeding efficiency of the feed branch pipe 112, the feed branch pipe 112 is located directly above the first conveying channel. In this way, the power to transport the material in the feed branch pipe 112 to the first conveying channel comes from external power (such as a pump) and liquid gravity. Of course, the central axis of the feed branch pipe 112 and the central axis of the feed component 11 may not be perpendicular.

[0036] In one implementation, such as Figure 1 As shown, the stirring element 122 includes a stirring shaft (not shown) and multiple blades 1221. The number of blades 1221 can be two, three, or even more. All blades 1221 are staggered along the axial direction of the stirring shaft, and the extending directions of adjacent blades 1221 are opposite. In this way, when the stirring shaft rotates, the pushing directions of adjacent blades 1221 on the material are opposite, which is beneficial to improving the stirring effect.

[0037] In one implementation, such as Figure 1As shown, the mixing component 12 also includes multiple baffles 123. The number of baffles 123 can be two, three, or even more. All baffles 123 are located downstream of the stirring element 122 and are arranged alternately along the extension direction of the second conveying channel 121. During the process of material flowing into the reactor 2 in the second conveying channel 121, the material is first stirred by the stirring element 122, and then impacts the baffles 123 at different positions, thereby changing the direction of movement multiple times. That is, the arrangement of baffles 123 can improve the mixing effect of the material, and the alternate arrangement of all baffles 123 can further improve the mixing effect of the material. Furthermore, all baffles 123 are arranged alternately along the rotation axis of the stirring element 122, defining the first plane as a plane perpendicular to the rotation axis of the stirring element 122. The projection portions of two adjacent baffles 123 on the first plane overlap, so that the liquid material must change its flow direction when passing around two adjacent baffles 123, thereby further improving the mixing effect of the material.

[0038] It should be understood that "interlaced arrangement" in this document means that the positions of two adjacent baffles 123 are not directly opposite each other in the extension direction of the second conveying channel 121.

[0039] It should be noted that, in this text, "downstream" means that the baffle 123 is located behind the stirring element 122 in the liquid conveying direction.

[0040] In one implementation, such as Figure 1 and Figure 2 As shown, the feeding device 1 is located above the reactor 2. The central axis of the feeding component 11 and the central axis of the mixing component 12 both extend horizontally. The feeding branch pipe 112 is located above the first conveying channel. The feeding component 11 is located at the end of the mixing component 12 away from the reactor 2.

[0041] In one implementation, such as Figure 1 As shown, the feed component 11 is also provided with a grounding plate 113 for grounding the ground wire.

[0042] In one specific implementation, such as Figure 1 and Figure 2 As shown, the feeding device 1 is used for feeding the liquid materials for glyphosate synthesis. There are two feeding branches 112, which are spaced apart along the conveying direction of the first conveying channel. The first feed port 111 is used to feed methanol, one of the second feed ports 1121 near the first feed port 111 is used to feed triethylamine, and the remaining second feed port 1121 is used to feed depolymerization liquid. After the three liquids enter the second conveying channel 121, they are first stirred and mixed by the stirring element 122, and then mixed again by colliding with multiple baffles 123 before being conveyed to the reactor 2. This reduces the feeding time and improves the mixing efficiency, thereby improving the production efficiency.

[0043] It should be understood that the above embodiments are exemplary and are not intended to encompass all possible implementations included in the claims. Various modifications and changes can be made to the above embodiments without departing from the scope of this disclosure. Similarly, the various technical features of the above embodiments can be arbitrarily combined to form other embodiments of this utility model that may not be explicitly described. Therefore, the above embodiments only illustrate several implementations of this utility model and do not limit the scope of protection of this utility model patent.

Claims

1. A feeding device for a reaction vessel, characterized in that, The feeding device (1) includes: The feeding component (11) includes multiple feeding ports and a first conveying channel, and all of the feeding ports are respectively connected to the first conveying channel; The mixing component (12) includes a second conveying channel (121) and a stirring element (122); the inlet of the second conveying channel (121) is connected to the outlet of the first conveying channel, and its outlet is a feed port (1211), which is used to convey materials to the reactor (2); the stirring element (122) is at least partially located in the second conveying channel (121), and the stirring element (122) is used to stir the liquid in the second conveying channel (121).

2. The feeding device for a reactor according to claim 1, characterized in that, The feeder (11) is sealed to the mixing component (12) so that the inlet of the second conveying channel (121) is connected to the outlet of the first conveying channel.

3. The feeding device for a reactor according to claim 1, characterized in that, Both the feeder (11) and the mixing component (12) are cylindrical structures.

4. The feeding device for a reactor according to claim 3, characterized in that, The central axis of the feeder (11) coincides with the central axis of the mixer (12).

5. The feeding device for a reactor according to claim 3, characterized in that, One end of the feeder (11) forms a first feed inlet (111), and the other end forms an outlet of the first conveying channel.

6. The feeding device for a reactor according to claim 5, characterized in that, The feed component (11) also includes one or more feed branch pipes (112), and the port of one feed branch pipe (112) constitutes a second feed port (1121).

7. The feeding device for a reactor according to claim 6, characterized in that, The central axis of the feed branch pipe (112) is perpendicular to the central axis of the feed component (11).

8. The feeding device for a reactor according to any one of claims 1-7, characterized in that, The stirring element (122) includes a stirring shaft and a plurality of blades (1221), all of which are staggered along the axial direction of the stirring shaft and extend in opposite directions to adjacent blades (1221).

9. The feeding device for a reactor according to any one of claims 1-7, characterized in that, The mixing component (12) also includes a plurality of baffles (123); all of the baffles (123) are located downstream of the stirring element (122) and are arranged alternately along the extension direction of the second conveying channel (121).

10. A reaction apparatus, characterized in that, The reaction apparatus (100) includes: The feeding device (1) for the reactor as described in any one of claims 1-9; The reactor (2) includes a material inlet end (21); the outlet of the second conveying channel (121) of the feeding device (1) is directly or indirectly connected to the material inlet end (21).

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