Continuous spray coating tower for lithium saponite surface modification

Abstract

This utility model relates to the field of continuous spray coating tower technology for lithium saponite, and discloses a continuous spray coating tower for lithium saponite surface modification. The tower includes a spray coating tower body, with a lithium saponite powder inlet pipe and a modification liquid inlet pipe connected to the top of the tower body. The tops of both the lithium saponite powder inlet pipe and the modification liquid inlet pipe are connected to a first connecting box. By setting up a dual-rotating-shaft linkage acceleration mechanism, an intermittent liquid supply structure, and a multi-nozzle spray system, continuous stirring and stable atomization of the modification liquid are achieved, effectively avoiding sedimentation and clogging. Simultaneously, the lithium saponite powder is stably propelled into the coating tower body by a spiral feeding shaft, ensuring full contact with the atomized modifier and uniform mixing under hot air disturbance, thus improving the forming efficiency and uniformity of the coating film. This device has a compact structure, precise feeding rhythm, and stable atomization effect, making it suitable for continuous and efficient surface modification processes of powder materials such as lithium saponite.

Description

Technical Field

[0001] This utility model relates to the technical field of continuous spray coating towers for lithium saponite, specifically a continuous spray coating tower for surface modification of lithium saponite. Background Technology

[0002] Lithium saponite, as a layered silicate material, is widely used in rubber, plastics, paints, catalyst supports, and other fields due to its excellent adsorption, ion exchange, and interlayer intercalation properties. In practical applications, surface modification treatment is usually required to enhance its compatibility with organic or polymeric materials.

[0003] Existing modification processes mostly employ batch mixing or static impregnation methods, which are not only inefficient and result in poor coating uniformity, but also prone to problems such as modifier precipitation and agglomeration. Furthermore, in traditional equipment, the contact between the powder and the atomizing liquid is insufficient, making it difficult to achieve efficient continuous operation.

[0004] Therefore, it is necessary to design a continuous spray coating tower for lithium saponite surface modification to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a continuous spray coating tower for surface modification of lithium saponite, in order to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a continuous spray coating tower for lithium saponite surface modification, comprising a spray coating tower body, the top of which is connected to a lithium saponite powder inlet pipe and a modification liquid inlet pipe, and the tops of the lithium saponite powder inlet pipe and the modification liquid inlet pipe are connected to a first connecting box, the top of which is fixedly connected to a second connecting box, the inside of which is rotatably connected to a third rotating shaft, and the inside of which is fixedly inserted into the first and second connecting boxes, and the bottom of which is connected to a liquid delivery pipe, the inside of which is provided with an intermittent liquid supply mechanism, the top of which is rotatably connected to the inner cavity of the second connecting box, and the outer surface of which is fixedly connected to multiple stirring columns, an acceleration mechanism being rotatably connected between the third rotating shaft, the first rotating shaft and the second rotating shaft, and the bottom of which is connected to a dispensing box, and the bottom of which is equipped with multiple atomizing nozzles.

[0007] Preferably, an air inlet pipe is provided on one side of the spray coating tower body, and a discharge pipe is provided at the bottom of the spray coating tower body. A spiral feeding plate is fixedly connected inside the spray coating tower body, and a central sealing column is fixedly connected at the center of the spiral feeding plate.

[0008] Preferably, the acceleration mechanism includes two synchronous pulleys, which are respectively fixedly sleeved on the top ends of the third rotating shaft and the first rotating shaft, and a synchronous belt is connected between the two synchronous pulleys through tooth grooves. A first gear is fixedly sleeved on the top end of the first rotating shaft, and a second gear is fixedly sleeved on the top end of the second rotating shaft. The first gear and the second gear mesh with each other, and the gear ratio of the first gear and the second gear is 5:1.

[0009] Preferably, the intermittent liquid supply mechanism includes a liquid permeation plate, which is fixedly connected to the inside of the modified liquid inlet pipe, and the liquid permeation plate is provided with liquid permeation holes. A servo motor is fixedly connected to the top of the second connecting box, and a first rotating shaft is fixedly connected to the output shaft of the servo motor. A rotating plate is fixedly connected to the bottom of the first rotating shaft, and a notch is provided on the outer surface of the rotating plate.

[0010] Preferably, the rotating plate is rotatably attached to the top of the liquid permeation plate, and the notch on the rotating plate is connected to the liquid permeation hole. The plurality of stirring columns are rotatably connected to the inside of the liquid collection hopper, and the threaded end of the third rotating shaft is rotatably connected to the inside of the lithium saponite powder inlet pipe.

[0011] Preferably, the bottom end of the liquid delivery pipe is fixedly inserted into the interior of the modified liquid inlet pipe, and the bottom end of the liquid delivery pipe is in contact with the outer surface of the rotating plate. The top of the lithium saponite powder inlet pipe is connected to a second connecting pipe, and the top of the liquid receiving hopper is connected to a first connecting pipe. The top ends of the first connecting pipe and the second connecting pipe are respectively fixed to a first discharge hopper and a second discharge hopper.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art:

[0013] This invention achieves continuous stirring and stable atomization of the modified liquid through a dual-rotating-shaft linkage acceleration mechanism, intermittent liquid supply structure, and multi-nozzle spray system, effectively avoiding sedimentation and clogging. Simultaneously, lithium saponite powder is stably propelled into the coating tower by a spiral feed shaft, ensuring full contact with the atomized modifier and uniform mixing under hot air agitation, thus improving the forming efficiency and uniformity of the coating film. This compact device features precise feeding rhythm and stable atomization effect, making it suitable for continuous and efficient surface modification processes of powder materials such as lithium saponite. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the first connecting box structure of this utility model;

[0016] Figure 3This is an exploded view of the spray coating tower structure of this utility model;

[0017] In the diagram: 1. Spray coating tower body; 2. Lithium saponite powder inlet pipe; 3. Modified liquid inlet pipe; 4. Liquid delivery pipe; 5. Liquid collection hopper; 6. First connecting box; 7. Second connecting box; 8. First discharge hopper; 9. Second discharge hopper; 10. Servo motor; 11. Air inlet pipe; 12. Discharge pipe; 13. First rotating shaft; 14. First gear; 15. Synchronous pulley; 16. Synchronous belt; 17. Second gear; 18. Second rotating shaft; 19. Third rotating shaft; 20. Rotating plate; 21. Liquid permeation plate; 22. Liquid distribution box; 23. Spiral feed plate; 24. Central sealing column; 25. First connecting pipe; 26. Second connecting pipe. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] Obviously, many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Please see Figure 1-3This utility model provides a continuous spray coating tower for lithium saponite surface modification, including a spray coating tower body 1. The top of the spray coating tower body 1 is connected to a lithium saponite powder inlet pipe 2 and a modified liquid inlet pipe 3. The tops of the lithium saponite powder inlet pipe 2 and the modified liquid inlet pipe 3 are connected to a first connecting box 6. A second connecting box 7 is fixedly connected to the top of the first connecting box 6. A third rotating shaft 19 is rotatably connected inside the lithium saponite powder inlet pipe 2. A liquid collecting hopper 5 is fixedly inserted inside the first connecting box 6 and the second connecting box 7. A liquid delivery pipe 4 is connected to the bottom of the liquid collecting hopper 5. An intermittent liquid supply mechanism is provided inside the modified liquid inlet pipe 3. A second rotating shaft 18 is rotatably connected to the top of the inner cavity of the second connecting box 7. Multiple stirring columns are fixedly connected to the outer surface of the second rotating shaft 18. An acceleration mechanism is rotatably connected between the third rotating shaft 19, the first rotating shaft 13, and the second rotating shaft 18. The modified liquid... The bottom end of the inlet pipe 3 is connected to a liquid distribution box 22. Multiple atomizing nozzles are installed at the bottom of the liquid distribution box 22. Lithium saponite powder and modifier are placed into the first discharge hopper 8 and the second discharge hopper 9 respectively. By turning on the servo motor 10, the first rotating shaft 13 drives the first gear 14 to rotate, which in turn drives the second gear 17 to accelerate. Multiple stirring columns are used to stir the modified liquid fed into the liquid collection hopper 5. The rotating plate 20 rotates slowly to provide intermittent feeding, which is then fed into the multiple atomizing nozzles at the bottom of the liquid distribution box 22 for spraying. At the same time, the third rotating shaft 19 and the first rotating shaft 13 are connected by two synchronous pulleys 15 and a synchronous belt 16, so that the third rotating shaft 19 can be smoothly fed into the interior of the spray coating tower 1 through the bottom of the spiral. This allows the lithium saponite and the atomized modified liquid to fully contact each other inside the spray coating tower 1, forming a coating film on the surface.

[0021] To facilitate the upward airflow into the spray coating tower 1 and promote the contact and mixing of lithium soapstone and atomized liquid, an air inlet pipe 11 is provided on one side of the spray coating tower 1, and a discharge pipe 12 is provided at the bottom of the spray coating tower 1. A spiral feeding plate 23 is fixedly connected inside the spray coating tower 1, and a central sealing column 24 is fixedly connected at the center of the spiral feeding plate 23.

[0022] By adjusting the gear ratio between the first gear 14 and the second gear 17, intermittent feeding can be achieved while accelerating stirring, thus preventing the modified liquid from settling and causing subsequent mixture coagulation. The acceleration mechanism includes two synchronous pulleys 15, which are respectively fixedly sleeved on the top ends of the third rotating shaft 19 and the first rotating shaft 13. A synchronous belt 16 is connected between the two synchronous pulleys 15 through tooth grooves. The top end of the first rotating shaft 13 is fixedly sleeved with the first gear 14, and the top end of the second rotating shaft 18 is fixedly sleeved with the second gear 17. The first gear 14 and the second gear 17 mesh with each other, and the gear ratio between the first gear 14 and the second gear 17 is 5:1.

[0023] To better perform intermittent feeding of the modifier, the intermittent liquid supply mechanism includes a liquid permeation plate 21, which is fixedly connected to the inside of the modifier liquid inlet pipe 3, and the liquid permeation plate 21 is provided with liquid permeation holes. A servo motor 10 is fixedly connected to the top of the second connecting box 7, and a first rotating shaft 13 is fixedly connected to the output shaft of the servo motor 10. A rotating plate 20 is fixedly connected to the bottom of the first rotating shaft 13, and a notch is provided on the outer surface of the rotating plate 20.

[0024] To facilitate stirring of the modified liquid before intermittent feeding, the rotating plate 20 is rotatably attached to the top of the liquid permeation plate 21, and the notch on the rotating plate 20 is connected to the liquid permeation hole. Multiple stirring columns are rotatably connected to the inside of the liquid collection hopper 5, and the threaded end of the third rotating shaft 19 is rotatably connected to the inside of the lithium saponite powder inlet pipe 2.

[0025] To facilitate the intermittent feeding of the modified liquid inside the liquid receiving hopper 5, and the placement of lithium saponite powder and modified liquid, the bottom end of the liquid feeding pipe 4 is fixedly inserted into the interior of the modified liquid inlet pipe 3, and the bottom end of the liquid feeding pipe 4 is in contact with the outer surface of the rotating plate 20. The top of the lithium saponite powder inlet pipe 2 is connected to a second connecting pipe 26, and the top of the liquid receiving hopper 5 is connected to a first connecting pipe 25. The top ends of the first connecting pipe 25 and the second connecting pipe 26 are respectively fixed to a first discharge hopper 8 and a second discharge hopper 9.

[0026] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0027] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0028] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A continuous spray coating tower for surface modification of hectorite, comprising a spray coating tower body (1), characterized in that: The top of the spray coating tower (1) is connected to a lithium saponite powder inlet pipe (2) and a modified liquid inlet pipe (3), and the tops of the lithium saponite powder inlet pipe (2) and the modified liquid inlet pipe (3) are connected to a first connecting box (6). A second connecting box (7) is fixedly connected to the top of the first connecting box (6). A third rotating shaft (19) is rotatably connected inside the lithium saponite powder inlet pipe (2), and a liquid collecting hopper (5) is fixedly inserted inside the first connecting box (6) and the second connecting box (7). The bottom of the liquid collecting hopper (5) is... The modified liquid inlet pipe (3) is connected to a liquid delivery pipe (4). An intermittent liquid supply mechanism is provided inside the modified liquid inlet pipe (3). The top of the inner cavity of the second connecting box (7) is rotatably connected to a second rotating shaft (18). Multiple stirring columns are fixed to the outer surface of the second rotating shaft (18). An acceleration mechanism is rotatably connected between the third rotating shaft (19), the first rotating shaft (13), and the second rotating shaft (18). The bottom end of the modified liquid inlet pipe (3) is connected to a liquid distribution box (22). Multiple atomizing nozzles are installed at the bottom of the liquid distribution box (22).

2. The continuous spray coating column for surface modification of hectorite according to claim 1, characterized in that: An air inlet pipe (11) is provided on one side of the spray coating tower body (1), and a discharge pipe (12) is provided at the bottom of the spray coating tower body (1). A spiral feeding plate (23) is fixedly connected inside the spray coating tower body (1), and a central sealing column (24) is fixedly connected at the center of the spiral feeding plate (23).

3. The continuous spray coating column for surface modification of hectorite as claimed in claim 1, wherein: The acceleration mechanism includes two synchronous pulleys (15), which are respectively fixedly sleeved on the top ends of the third rotating shaft (19) and the first rotating shaft (13). A synchronous belt (16) is connected between the two synchronous pulleys (15) through tooth grooves. A first gear (14) is fixedly sleeved on the top end of the first rotating shaft (13), and a second gear (17) is fixedly sleeved on the top end of the second rotating shaft (18). The first gear (14) and the second gear (17) mesh with each other, and the gear ratio of the first gear (14) and the second gear (17) is 5:

1.

4. The continuous spray coating column for surface modification of hectorite as claimed in claim 1, wherein: The intermittent liquid supply mechanism includes a liquid permeation plate (21), which is fixed inside the modified liquid inlet pipe (3) and has a liquid permeation hole. A servo motor (10) is fixed to the top of the second connecting box (7), and a first rotating shaft (13) is fixed to the output shaft of the servo motor (10). A rotating plate (20) is fixed to the bottom of the first rotating shaft (13), and a notch is opened on the outer surface of the rotating plate (20).

5. The continuous spray coating column for surface modification of hectorite according to claim 4, characterized in that: The rotating plate (20) is rotated and attached to the top of the liquid permeation plate (21), and the notch on the rotating plate (20) is connected to the liquid permeation hole. Multiple stirring columns are rotatably connected to the inside of the liquid collection hopper (5), and the threaded end of the third rotating shaft (19) is rotatably connected to the inside of the lithium saponite powder inlet pipe (2).

6. The continuous spray coating column for surface modification of hectorite as claimed in claim 1, wherein: The bottom end of the liquid delivery pipe (4) is fixedly inserted into the interior of the modified liquid inlet pipe (3), and the bottom end of the liquid delivery pipe (4) is in contact with the outer surface of the rotating plate (20). The top of the lithium saponite powder inlet pipe (2) is connected to the second connecting pipe (26), and the top of the liquid receiving hopper (5) is connected to the first connecting pipe (25). The top ends of the first connecting pipe (25) and the second connecting pipe (26) are respectively fixed to the first discharge hopper (8) and the second discharge hopper (9).

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