A wet-mix granulator

Abstract

The utility model relates to a kind of wet method mixed granulator, belong to granule mixing technical field, including granule mixing box and the inner box of fixedly connected to granule mixing box inner bottom wall, the inside of granule mixing box is equipped with the mixing assembly for granule mixing, the mixing assembly includes the fixed plate of fixedly connected to granule mixing box inner rear wall, the bottom of fixed plate is fixedly connected with motor box, the inside of motor box is fixedly connected with drive motor, the output shaft of drive motor is fixedly connected with connecting rod, the bottom end of connecting rod is fixedly connected with mounting frame body.This wet method mixed granulator, by mixing assembly generates forced convection and high shear field, make material realize uniform mixing in three-dimensional space, and by arranging ultrasonic transducer in four directions, utilize coupling layer to efficiently conduct vibration energy to inner box wall surface, utilize the microjet and wall high-frequency microvibration generated by ultrasonic cavitation effect, realize the peeling of adhering object, avoid resource waste.

Description

Technical Field

[0001] This utility model relates to the field of particle mixing technology, specifically a wet particle mixing machine. Background Technology

[0002] Wet mixing granulators are key equipment used for powder granulation in industries such as pharmaceuticals, food, and chemicals.

[0003] Chinese Patent Publication No. CN212441113U discloses a wet mixing pellet mill for a pelletizing workshop. Through the combined use of a cleaning rod and a cleaning brush, the mixing rod can be cleaned to prevent material from sticking to it and affecting the mixing effect. A spiral mixing paddle further mixes the material, lifting it upwards to improve mixing efficiency and prevent material accumulation at the bottom of the machine casing. A water tank, water pump, first connecting pipe, and second connecting pipe work together to rinse the spiral mixing paddle and pelletizing blades, keeping them clean.

[0004] However, this technical solution only uses a single stirring structure to mix particles, making it difficult to simultaneously achieve macroscopic convection and microscopic dispersion. This results in uneven particle size distribution, and the material tends to adhere to the inner wall of the container during mixing, forming dead zones, affecting mixing uniformity and causing raw material waste. Therefore, a wet mixing pellet mill is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a wet mixing pellet mill that features multi-dimensional mixing enhancement and anti-sticking properties, solving problems such as insufficient mixing uniformity and easy material sticking to the walls in existing technologies.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A wet mixing pellet mill includes a pellet mixing chamber and an inner chamber fixedly connected to the bottom wall of the pellet mixing chamber. The inner side of the pellet mixing chamber is provided with a mixing component for pellet mixing.

[0008] The mixing assembly includes a fixing plate fixedly connected to the rear side wall of the particle mixing box. A motor housing is fixedly connected to the bottom of the fixing plate. A drive motor is fixedly connected to the inside of the motor housing. A connecting rod is fixedly connected to the output shaft of the drive motor. A mounting frame is fixedly connected to the bottom end of the connecting rod. Five support plates are fixedly connected to the inside of the mounting frame. A dual-shaft motor is fixedly connected to the top of the support plates. A mounting rod is fixedly connected to the output shaft of the dual-shaft motor. A stirring paddle is fixedly connected to the other end of the mounting rod.

[0009] The outer side of the particle mixing box is equipped with an anti-sticking component to prevent particles from sticking to the wall.

[0010] Furthermore, the anti-sticking wall assembly includes four mounting brackets fixedly connected to the outside of the particle mixing box. An ultrasonic transducer is fixedly connected to the inner side of the mounting bracket. The ultrasonic generating end of the ultrasonic transducer contacts a coupling layer, and the other side of the coupling layer contacts the inner box.

[0011] Furthermore, the four mounting brackets are respectively arranged on the front, back, left and right sides of the particle mixing box, and the particle mixing box has four fixing ports adapted to the coupling layer.

[0012] Furthermore, a discharge valve is fixedly connected to the bottom of the inner box, and a receiving port adapted to the discharge valve is opened at the bottom inside the particle mixing box.

[0013] Furthermore, the mounting frame is located inside the inner box, and the five support plates are arranged equidistantly along the vertical direction of the mounting frame.

[0014] Furthermore, the two output shafts of the dual-axis motor are located on the left and right sides respectively, and the surface of the stirring paddle is coated with a graphene-doped ceramic coating.

[0015] Furthermore, a water tank is fixedly connected to the top of the particle mixing box, a water pump is fixedly connected to the right side of the water tank, a water supply pipe is fixedly connected to the outlet end of the water pump, a fixed pipe is fixedly connected to the other end of the water supply pipe, a water outlet is opened at the bottom of the fixed pipe, and an atomizing nozzle adapted to the water outlet is fixedly connected to the bottom of the fixed pipe.

[0016] Furthermore, a connecting frame is fixedly connected to the inner right side wall of the particle mixing box, and a near-infrared sensor is fixedly connected to the connecting surface of the connecting frame.

[0017] Compared with the prior art, the present invention provides a wet mixing pellet mill, which has the following beneficial effects:

[0018] This wet mixing pellet mill generates forced convection and a high shear force field through the mixing components, enabling the material to be uniformly mixed in three-dimensional space. Ultrasonic transducers arranged in four directions use a coupling layer to efficiently transmit vibration energy to the inner wall of the chamber. The micro-jet generated by the ultrasonic cavitation effect and the high-frequency micro-vibration of the wall surface are used to remove the adhering material, thus avoiding resource waste. Attached Figure Description

[0019] Figure 1 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 2 This is a front view of the structure of this utility model;

[0021] Figure 3 This is a perspective view of the particle mixing box in the structure of this utility model.

[0022] In the diagram: 1. Particle mixing box; 2. Inner box; 3. Fixing plate; 4. Motor box; 5. Drive motor; 6. Connecting rod; 7. Mounting frame; 8. Support plate; 9. Dual-shaft motor; 10. Mounting rod; 11. Agitator; 12. Mounting frame; 13. Ultrasonic transducer; 14. Coupling layer; 15. Discharge valve; 16. Water tank; 17. Water pump; 18. Water supply pipe; 19. Fixing pipe; 20. Atomizing nozzle; 21. Connecting frame; 22. Near-infrared sensor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 3 The wet mixing pellet mill in this embodiment includes a pellet mixing box 1 and an inner box 2 fixedly connected to the bottom wall of the pellet mixing box 1. The inner side of the pellet mixing box 1 is provided with a mixing component for pellet mixing.

[0025] Please see Figure 1 In this embodiment, the mixing component includes a fixing plate 3 fixedly connected to the rear side wall of the particle mixing box 1. A motor box 4 is fixedly connected to the bottom of the fixing plate 3. A drive motor 5 is fixedly connected to the inner side of the motor box 4. A connecting rod 6 is fixedly connected to the output shaft of the drive motor 5. A mounting frame 7 is fixedly connected to the bottom end of the connecting rod 6. Five support plates 8 are fixedly connected to the inner side of the mounting frame 7. A dual-shaft motor 9 is fixedly connected to the top of the support plate 8. A mounting rod 10 is fixedly connected to the output shaft of the dual-shaft motor 9. A stirring paddle 11 is fixedly connected to the other end of the mounting rod 10.

[0026] The outer side of the particle mixing box 1 is provided with an anti-sticking component to prevent particles from sticking to the wall. The anti-sticking component includes four mounting brackets 12 fixedly connected to the outer side of the particle mixing box 1. An ultrasonic transducer 13 is fixedly connected to the inner side of the mounting bracket 12. The ultrasonic generating end of the ultrasonic transducer 13 contacts a coupling layer 14. The other side of the coupling layer 14 contacts the inner box 2.

[0027] Specifically, four mounting brackets 12 are respectively arranged on the front, back, left and right sides of the particle mixing box 1. The particle mixing box 1 has four fixing ports that are adapted to the coupling layer 14. The four fixing ports are respectively located on the front, rear, left and right sides of the particle mixing box 1.

[0028] It should be noted that coupling layer 14 is aluminum nitride filled with silicone.

[0029] Specifically, the bottom of the inner box 2 is fixedly connected to the discharge valve 15, and the lower part of the particle mixing box 1 is provided with a receiving port that is compatible with the discharge valve 15.

[0030] Specifically, the mounting frame 7 is located inside the inner box 2, and five support plates 8 are arranged equidistantly along the vertical direction of the mounting frame 7.

[0031] Specifically, the two output shafts of the dual-axis motor 9 are located on the left and right sides respectively, and the surface of the stirring paddle 11 is coated with a graphene-doped ceramic coating.

[0032] It should be noted that the graphene-doped ceramic coating is prepared by a thermal spraying process to eliminate electrostatic adsorption generated during stirring and prevent the agglomeration of fine particles.

[0033] Specifically, a water tank 16 is fixedly connected to the top of the particle mixing box 1, a water pump 17 is fixedly connected to the right side of the water tank 16, a water supply pipe 18 is fixedly connected to the water outlet of the water pump 17, a fixed pipe 19 is fixedly connected to the other end of the water supply pipe 18, a water outlet is opened at the bottom of the fixed pipe 19, and an atomizing nozzle 20 adapted to the water outlet is fixedly connected to the bottom of the fixed pipe 19.

[0034] Specifically, a connecting frame 21 is fixedly connected to the inner right side wall of the particle mixing box 1, and a near-infrared sensor 22 is fixedly connected to the connecting surface of the connecting frame 21.

[0035] It should be noted that the model of the near-infrared sensor 22 may be Hamamatsu Photonics.

[0036] The working principle of the above embodiments is as follows:

[0037] When the drive motor 5 starts, it drives the mounting frame 7 to rotate inside the inner box 2 via the connecting rod 6, causing the support plate 8 and the dual-axis motor 9 to move in a circular trajectory. At the same time, the dual-axis motor 9 starts synchronously, and its left and right output shafts drive the mounting rod 10 and the stirring paddle 11 to rotate, thereby forming a shear force and a convection field to improve the mixing effect. In addition, the graphene-doped ceramic coating on the surface of the stirring paddle 11 neutralizes the static electricity of particle friction through its conductive properties, inhibits the agglomeration of fine particles, and ensures the uniformity of powder dispersion.

[0038] Four ultrasonic transducers 13 transmit high-frequency vibrations to the inner wall of the inner box 2 through the coupling layer 14. The ultrasonic cavitation effect generates micro-jet impacts to peel off the attached particles. At the same time, the vibration waves act on the particles to prevent them from agglomerating.

[0039] Near-infrared sensor 22 monitors particle humidity in real time and sends a feedback signal to the control system. Water pump 17 draws water from water tank 16 and delivers it to fixed pipe 19 through water pipe 18. Water mist is formed through atomizing nozzle 20 and sprayed into the mixing zone.

[0040] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0041] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wet-mixing pellet mill, comprising a pellet mixing chamber and an inner chamber fixedly connected to the bottom wall of the pellet mixing chamber, characterized in that: The inner side of the particle mixing box is equipped with a mixing component for particle mixing; The mixing assembly includes a fixing plate fixedly connected to the rear side wall of the particle mixing box. A motor housing is fixedly connected to the bottom of the fixing plate. A drive motor is fixedly connected to the inside of the motor housing. A connecting rod is fixedly connected to the output shaft of the drive motor. A mounting frame is fixedly connected to the bottom end of the connecting rod. Five support plates are fixedly connected to the inside of the mounting frame. A dual-shaft motor is fixedly connected to the top of the support plates. A mounting rod is fixedly connected to the output shaft of the dual-shaft motor. A stirring paddle is fixedly connected to the other end of the mounting rod. The outer side of the particle mixing box is equipped with an anti-sticking component to prevent particles from sticking to the wall. The anti-sticking wall assembly includes four mounting brackets fixedly connected to the outside of the particle mixing box. An ultrasonic transducer is fixedly connected to the inside of the mounting bracket. The ultrasonic transducer's ultrasonic generating end contacts a coupling layer, and the other side of the coupling layer contacts the inner box. The four mounting brackets are respectively arranged on the front, back, left and right sides of the particle mixing box, and the particle mixing box has four fixing ports adapted to the coupling layer inside.

2. The wet mixing pellet mill according to claim 1, characterized in that: The bottom of the inner box is fixedly connected to a discharge valve, and a receiving port adapted to the discharge valve is opened at the bottom inside the particle mixing box.

3. A wet mixing pellet mill according to claim 1, characterized in that: The mounting frame is located inside the inner box, and the five support plates are arranged equidistantly along the vertical direction of the mounting frame.

4. A wet mixing pellet mill according to claim 1, characterized in that: The two output shafts of the dual-axis motor are located on the left and right sides respectively, and the surface of the stirring paddle is coated with a graphene-doped ceramic coating.

5. A wet mixing pellet mill according to claim 1, characterized in that: A water tank is fixedly connected to the top of the particle mixing box, a water pump is fixedly connected to the right side of the water tank, a water supply pipe is fixedly connected to the outlet end of the water pump, a fixed pipe is fixedly connected to the other end of the water supply pipe, a water outlet is opened at the bottom of the fixed pipe, and an atomizing nozzle adapted to the water outlet is fixedly connected to the bottom of the fixed pipe.

6. A wet mixing pellet mill according to claim 1, characterized in that: A connecting frame is fixedly connected to the inner right side wall of the particle mixing box, and a near-infrared sensor is fixedly connected to the connecting surface of the connecting frame.

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