Reaction kettle with scraper

Abstract

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle with a scraper, which comprises a reaction kettle body, a stirring structure is arranged in the reaction kettle body, the stirring structure comprises a rotating rod and a first stirring rod connected with the rotating rod, and the first stirring rod comprises two U-shaped plates of which the bottoms are connected; the scraper structure comprises a plurality of scrapers, the scrapers are respectively arranged on the U-shaped plates, the scrapers are rotatably connected with the U-shaped plates, the minimum distance between the rotating axis of each scraper and the inner wall of the reaction kettle body is smaller than the length of each scraper, and when the rotating rod drives the U-shaped plates to rotate, the side walls of the scrapers abut against the inner wall of the reaction kettle body. According to the reaction kettle, the problem that materials in the reaction kettle can be adhered to the inner wall to cause non-uniform mixing when the materials are mixed in the reaction kettle is solved.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, and in particular to a reaction vessel with a scraper. Background Technology

[0002] In many fields such as chemical engineering, pharmaceuticals, and materials processing, reaction vessels are used for various chemical reactions and material mixing. Traditional reaction vessels are equipped with stirring devices to ensure thorough mixing of materials within the vessel. However, when processing certain special materials, such as resins, the problem of material adhering to the inner wall of the reaction vessel often arises. Resins have high viscosity and easily adhere to the inner wall of the reaction vessel during stirring, leading to uneven mixing. Utility Model Content

[0003] To address the problem of uneven mixing caused by materials adhering to the inner wall of the reactor during mixing, this invention provides a reactor equipped with a scraper.

[0004] To solve the above problems, the present invention adopts the following technical solution:

[0005] An embodiment of this utility model provides a reaction vessel with a scraper, comprising:

[0006] The reactor body is equipped with a stirring structure, which includes a rotating rod and a first stirring rod connected to the rotating rod. The first stirring rod includes two U-shaped plates connected at the bottom.

[0007] The scraper structure includes a plurality of scrapers, which are respectively disposed on the U-shaped plate. The scrapers are rotatably connected to the U-shaped plate. The minimum distance between the rotation axis of the scraper and the inner wall of the reactor body is less than the length of the scraper. When the rotating rod drives the U-shaped plate to rotate, the side wall of the scraper abuts against the inner wall of the reactor body.

[0008] According to some embodiments of the present invention, the scraper structure further includes a hinge, one end of which is connected to the U-shaped plate and the other end of which is connected to the scraper.

[0009] According to some embodiments of the present invention, the scraper is disposed along the outer edge of the U-shaped plate.

[0010] According to some embodiments of the present invention, the U-shaped plate includes a vertical part and a curved part, and a plurality of scrapers are disposed on the curved part.

[0011] According to some embodiments of the present invention, the scraper structure further includes a scraper strip, which is disposed on the vertical part and is rotatably connected to the vertical part.

[0012] According to some embodiments of the present invention, the scraper has several hollowed-out portions.

[0013] According to some embodiments of the present invention, the scraper structure is disposed on one of the U-shaped plates.

[0014] According to some embodiments of the present invention, the first stirring rod further includes two reinforcing rods, which are respectively connected to the two U-shaped plates, and the reinforcing rods are disposed at the upper end of the U-shaped plates.

[0015] According to some embodiments of the present invention, the stirring structure further includes a second stirring rod, which is disposed above the first stirring rod.

[0016] This invention has at least the following beneficial effects: by setting a stirring structure with a scraper inside the reactor, the scraper can always be in contact with the inner wall of the reactor during the stirring process, and promptly scrape off high-viscosity materials such as resin adhering to the inner wall, effectively preventing material accumulation, thereby solving the problem of uneven mixing caused by material adhering to the inner wall in traditional reactors, and significantly improving the mixing effect of materials. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0018] Figure 2 This is a cross-sectional view of one embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the stirring structure and scraper structure according to an embodiment of the present invention;

[0020] Figure 4 This is a cross-sectional view of another embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the stirring structure and scraper structure according to another embodiment of the present invention;

[0022] Figure 6 for Figure 5 Enlarged view of the A mark. Detailed Implementation

[0023] This invention provides the following description with reference to the accompanying drawings to aid in a comprehensive understanding of the various embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but these details should be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the invention.

[0024] In the description of this utility model, the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] It should be understood that when one element (e.g., the first element) is “connected” to another element (e.g., the second element), the element may be directly connected to the other element, or there may be an intervening element (e.g., the third element) between the element and the other element.

[0026] An embodiment of this utility model provides a reaction vessel with a scraper, such as... Figure 1-6 As shown, it includes:

[0027] The reactor body 100 has a stirring structure 200 inside. The stirring structure 200 includes a rotating rod 210 and a first stirring rod 220 connected to the rotating rod 210. The first stirring rod 220 includes two U-shaped plates 230 connected at the bottom.

[0028] The scraper structure 300 includes several scrapers 310, which are respectively disposed on the U-shaped plate 230. The scrapers 310 are rotatably connected to the U-shaped plate 230. The minimum distance between the rotation axis of the scraper 310 and the inner wall of the reactor body 100 is less than the length of the scraper 310. When the rotating rod 210 drives the U-shaped plate 230 to rotate, the side wall of the scraper 310 abuts against the inner wall of the reactor body 100.

[0029] The rotating rod 210 is driven by a motor or other power device, causing the entire stirring structure 200 to rotate. The first stirring rod 220 consists of two U-shaped plates 230 connected at the bottom. This design allows the stirring rod to cover a larger area when rotating, improving stirring efficiency. The structural design of the U-shaped plates 230 allows the scraper 310 to be installed on them and to maintain a certain contact with the inner wall of the reactor during rotation.

[0030] The scraper structure 300 includes several scrapers 310, the specific number of which can be adjusted according to the size of the reactor and requirements. The scrapers 310 and U-shaped plates 230 are rotatably connected, and the minimum distance between the rotation axis of the scraper 310 and the inner wall of the reactor body 100 is less than the length of the scraper 310. This design ensures that the scrapers 310 remain in contact with the inner wall of the reactor during rotation, thus achieving effective cleaning of the inner wall. When the rotating rod 210 drives the U-shaped plate 230 to rotate, the side wall of the scraper 310 abuts against the inner wall of the reactor body 100. This abutting action scrapes away material adhering to the inner wall, preventing material accumulation. The scrapers 310 effectively scrape away material from the inner wall of the reactor, reducing material waste; the design of the U-shaped plate 230 allows for a wider stirring range and better stirring effect; the overall structure of the device is relatively simple, facilitating manufacturing and maintenance.

[0031] The working principle of this utility model is as follows:

[0032] When the reactor starts working, the motor drives the rotating rod 210 to rotate, which in turn drives the U-shaped plate 230 and the scraper 310 to rotate together. The rotation of the U-shaped plate 230 ensures that the reactants are fully mixed in the reactor, improving the reaction efficiency.

[0033] During rotation, the side wall of scraper 310 remains in contact with the inner wall of the reactor. When the rotating rod 210 rotates clockwise, scraper 310 will abut against the inner wall of the reactor due to the resistance of the material. When the rotating rod 210 rotates counterclockwise, since the minimum distance between the rotation axis of scraper 310 and the inner wall of the reactor body 100 is less than the length of scraper 310, scraper 310 will naturally abut against the inner wall of the reactor. Due to the rotatable connection between scraper 310 and U-shaped plate 230, scraper 310 can flexibly adjust its angle according to the shape of the inner wall, thereby better scraping off the material on the inner wall.

[0034] In some embodiments, the scraper structure 300 further includes a hinge 320, one end of which is connected to the U-shaped plate 230 and the other end of which is connected to the scraper 310.

[0035] The hinge 320 allows the scraper 310 to rotate around its axis. When the inner wall of the reactor is irregularly shaped or the material adhesion is uneven, the scraper 310 can automatically adjust its angle through the rotation of the hinge 320 to better conform to the inner wall. This design ensures that the scraper 310 maintains effective contact with the inner wall throughout the entire rotation process, thereby improving cleaning efficiency. The hinge 320 connection provides support for the scraper 310, making it more stable during rotation. This helps to extend the service life of the scraper 310 and reduces safety hazards caused by the scraper 310 loosening or falling off.

[0036] In some embodiments, the scraper 310 is disposed along the outer edge of the U-shaped plate 230.

[0037] The outer edge of the U-shaped plate 230 is close to the inner wall of the reactor, allowing the scraper 310 to fit more tightly against the inner wall, thus reducing cleaning dead spots and improving cleaning efficiency. The scraper 310 is positioned along the outer edge of the U-shaped plate 230, enabling it to scrape off material adhering to the inner wall and remix it into the reactants during rotation. This not only improves material utilization but also further optimizes the stirring effect, resulting in a more uniform reaction. Positioning the scraper 310 at the outer edge of the U-shaped plate 230 fully utilizes its structure, avoiding additional space occupation within the reactor. This design makes the internal structure of the reactor more compact without compromising stirring and cleaning functions. The scraper 310 can be designed in an arc or straight shape, depending on the shape of the reactor's inner wall and cleaning requirements.

[0038] In some embodiments, the U-shaped plate 230 includes a vertical portion 231 and a curved portion 232, and a plurality of scrapers 310 are disposed on the curved portion 232.

[0039] Furthermore, the scraper structure 300 also includes a scraper strip 330, which is disposed on the vertical part 231 and is rotatably connected to the vertical part 231.

[0040] The scraper 330 is mounted on the vertical portion 231 of the U-shaped plate 230. The vertical portion 231 is the part of the U-shaped plate 230 that makes perpendicular contact with the inner wall of the reactor, thus the scraper 330 can effectively clean the vertical area of ​​the inner wall. The scraper 330 is connected to the vertical portion 231 via a rotatable connection. This design allows the scraper 330 to rotate freely within a certain range to better adapt to changes in the shape of the inner wall while reducing wear on the inner wall. The scraper blade 310 is mounted on the curved portion 232 of the U-shaped plate 230 and is mainly responsible for cleaning the curved areas of the reactor's inner wall. The scraper blade 330 is mounted on the vertical portion 231 and is mainly responsible for cleaning the vertical areas of the reactor's inner wall. The synergistic effect of the scraper blade 310 and the scraper 330 enables comprehensive cleaning of the reactor's inner wall, reducing cleaning dead zones and improving cleaning efficiency.

[0041] Furthermore, the scraper 330 is provided with several hollowed-out sections 340.

[0042] The perforated portion 340 allows material to partially pass through during the movement of the scraper 330, preventing the scraper 330 from getting stuck or blocked due to material accumulation. This design ensures that the scraper 330 maintains a good cleaning effect throughout its rotation. The perforated portion 340 reduces the contact area between the scraper 330 and the material, thereby reducing the resistance of the scraper 330 during rotation. This not only improves the flexibility of the scraper 330's movement but also reduces the power requirements of the stirring structure 200. The perforated portion 340 can be designed as circular, square, or elliptical, for example, a circular perforated portion 340 can reduce stress concentration and improve the strength of the scraper 330. The size of the perforated portion 340 should be moderate, ensuring that the material can pass through smoothly while preventing excessive material loss. In this embodiment, the area of ​​the perforated portion 340 accounts for 20% to 50% of the total area of ​​the scraper 330.

[0043] In some embodiments, the scraper structure 300 is disposed on one of the U-shaped plates 230.

[0044] By placing the scraper structure 300 on one of the U-shaped plates 230, the overall structural design of the reactor can be simplified. This design reduces the number and complexity of components, thereby lowering manufacturing costs and maintenance difficulties.

[0045] In some embodiments, the first stirring rod 220 further includes two reinforcing rods 240, which are respectively connected to two U-shaped plates 230, and the reinforcing rods 240 are disposed at the upper end of the U-shaped plates 230.

[0046] The reinforcing rod 240 enhances the overall structural strength of the first stirring rod 220. During stirring, especially when handling high-viscosity or high-density materials, the stirring structure 200 is subjected to significant torque and vibration. The reinforcing rod 240 effectively disperses these forces, reducing deformation of the U-shaped plate 230 and the rotating rod 210, thereby improving the stability of the entire stirring structure 200. Since the reinforcing rod 240 connects the two U-shaped plates 230, it provides additional support during stirring, preventing the U-shaped plates 230 from bending or twisting due to uneven stress.

[0047] In some embodiments, the stirring structure 200 further includes a second stirring rod 250, which is disposed above the first stirring rod 220.

[0048] By placing a second stirring rod 250 above the first stirring rod 220, multi-layer stirring can be achieved. This design allows for more efficient mixing of reactants, and the second stirring rod 250 can further guide the material flow, resulting in a more uniform distribution of the material within the reactor. This helps improve the uniformity and efficiency of the reaction, reducing problems such as localized accumulation or incomplete reaction. The second stirring rod 250 can be designed in different shapes (such as spiral, paddle, etc.) to increase the shear force during the stirring process. This is beneficial for mixing high-viscosity materials and can effectively prevent material stratification or agglomeration.

[0049] The terms and words used in the foregoing description and claims are not limited to their literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present invention. Therefore, those skilled in the art should understand that the foregoing description of various embodiments of the present invention is for illustrative purposes only, and not intended to limit the present invention as defined by the appended claims and their equivalents.

Claims

1. A reaction vessel with a scraper, characterized in that, include: The reactor body (100) is provided with a stirring structure (200) inside the reactor body (100). The stirring structure (200) includes a rotating rod (210) and a first stirring rod (220) connected to the rotating rod (210). The first stirring rod (220) includes two U-shaped plates (230) connected at the bottom. The scraper structure (300) includes a plurality of scrapers (310), which are respectively disposed on the U-shaped plate (230). The scrapers (310) are rotatably connected to the U-shaped plate (230). The minimum distance between the rotation axis of the scraper (310) and the inner wall of the reactor body (100) is less than the length of the scraper (310). When the rotating rod (210) drives the U-shaped plate (230) to rotate, the side wall of the scraper (310) abuts against the inner wall of the reactor body (100).

2. A reaction vessel with a scraper according to claim 1, characterized in that, The scraper structure (300) also includes a hinge (320), one end of which is connected to the U-shaped plate (230) and the other end is connected to the scraper (310).

3. A reaction vessel with a scraper according to claim 1, characterized in that, The scraper (310) is disposed along the outer edge of the U-shaped plate (230).

4. A reaction vessel with a scraper according to any one of claims 1 to 3, characterized in that, The U-shaped plate (230) includes a vertical part (231) and a curved part (232), and a plurality of scrapers (310) are disposed on the curved part (232).

5. A reaction vessel with a scraper according to claim 4, characterized in that, The scraper structure (300) further includes a scraper strip (330), which is disposed on the vertical part (231) and is rotatably connected to the vertical part (231).

6. A reaction vessel with a scraper according to claim 5, characterized in that, The scraper (330) has several hollowed-out sections (340).

7. A reaction vessel with a scraper according to any one of claims 1 to 3, characterized in that, The scraper structure (300) is disposed on one of the U-shaped plates (230).

8. A reaction vessel with a scraper according to any one of claims 1 to 3, characterized in that, The first stirring rod (220) also includes two reinforcing rods (240), which are respectively connected to the two U-shaped plates (230) and are disposed at the upper end of the U-shaped plates (230).

9. A reaction vessel with a scraper according to any one of claims 1 to 3, characterized in that, The stirring structure (200) further includes a second stirring rod (250), which is disposed above the first stirring rod (220).

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