Fluidized bed dryer granulator air distribution plate

Abstract

The utility model discloses a fluidized bed drying granulator cloth air distribution plate, include: cloth air distribution plate subassembly and support fixed component, cloth air distribution plate subassembly bottom is connected with support fixed component, cloth air distribution plate subassembly includes cloth air distribution round board, two groups of protective coating are covered to cloth air distribution round board upper and lower, and a group of ventilation control mouth is connected to cloth air distribution round board upper end. The utility model has the advantages of following: through setting up in having protective coating, let the device can be more strong, support device uses longer, through setting up having ventilation control mouth, let the device can even shunt hot gas, let material fully mixes, and dry effect is better, through setting up having support fixed component, let support fixed component provides the skeleton support of cloth air distribution plate subassembly, let the device uses more stable firm, through setting up having fixed bolt, bolt cover, let the device can be firmly fixed on fluidized bed, and installation is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of fluidized bed drying technology, specifically to an air distribution plate for a fluidized bed dryer granulator. Background Technology

[0002] Fluidized bed dryer granulators are advanced equipment integrating mixing, drying, and granulation. Based on the principle of fluidization, materials are placed in a sealed container, and airflow suspends the powder to create a boiling-like state. Simultaneously, a binder is evenly sprayed using an atomizing spray gun, promoting particle growth and completing the drying process concurrently. This integrated design not only improves production efficiency but also effectively enhances material flowability and solubility, reduces dust emissions, and is widely used in the pharmaceutical, food, and chemical industries. It is particularly suitable for processing heat-sensitive or highly toxic and reactive materials, meeting the cleanroom production and environmental protection requirements under GMP standards.

[0003] In fluidized bed drying and granulation processes, the air distributor plate, as a core component, is used due to the need for uniform gas-solid contact and efficient mass transfer. This device, through a precisely designed porous structure or sieve, evenly distributes compressed air or heated gas to the bottom of the bed, ensuring stable fluidization of material particles under the influence of airflow. The air distributor plate, located at the bottom of the fluidized bed dryer granulator, is a key component, typically made of porous metal plates or sintered materials. Its core function is to evenly distribute airflow and support the material to form a stable fluidized state. Through its precisely designed microporous structure, it efficiently introduces compressed air or hot air into the bed, causing solid particles to exhibit a suspension motion similar to liquid boiling under the action of the gas, thereby promoting sufficient contact between the material and the airflow for rapid drying. Simultaneously, this component also plays a role in preventing fine powder leakage, maintaining bed pressure drop balance, and optimizing heat and mass transfer efficiency, ensuring uniform particle growth and preventing agglomeration during granulation. This provides a reliable process foundation for the production of high-purity products in pharmaceutical, chemical, and other fields.

[0004] Ordinary air distribution plates have a relatively simple structure, only basic functions, and are not stable enough to be used for a long time. They also have poor hot air diversion effect. Therefore, there is an urgent need for an air distribution plate for fluidized bed dryer granulators with a more robust and stable structure, longer service life, and better diversion effect. Utility Model Content

[0005] The purpose of this invention is to provide an air distribution plate for a fluidized bed dryer granulator, thereby solving the problems in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fluidized bed dryer granulator air distribution plate, comprising: an air distribution plate assembly and a support and fixing assembly, wherein the bottom of the air distribution plate assembly is connected to the support and fixing assembly, the air distribution plate assembly includes an air distribution circular plate, the upper and lower parts of the air distribution circular plate are covered with two sets of protective coatings, and the upper end of the air distribution circular plate is connected to a number of ventilation control ports.

[0007] Preferably, the air distribution plate and the protective coating have ventilation holes that cooperate with the ventilation control port, and the air distribution plate and the protective coating have grooves that cooperate with the support and fixing components. By providing a protective coating, the device can be more durable and support the device for a longer period of use.

[0008] Preferably, the ventilation control port is a semi-circular plate with a sealed rear end, and the array of ventilation control ports is arranged with clockwise openings. The array of ventilation control ports is evenly connected to the air distribution circular plate. By providing ventilation control ports, the device can evenly distribute hot air, allowing the material to mix fully and achieving better drying results.

[0009] Preferably, the support and fixing component includes a central connecting block, and six sets of support connecting rods are connected to the outside of the central connecting block. Fixing bolts are provided on the right side of the support connecting rods. By providing the support and fixing component, the support and fixing component provides skeletal support for the air distribution plate assembly, making the device more stable and secure in use.

[0010] Preferably, the central connecting block is located at the bottom center of the air distribution plate, and the size of the central connecting block matches the holeless area in the center of the air distribution plate, providing a basis for the realization of the function of the central connecting block.

[0011] Preferably, the six sets of supporting connecting rods are fixedly connected to the bottom of the air distribution circular plate, and the width of the supporting connecting rods matches the spacing of the groove holes in the air distribution circular plate, providing a basis for the realization of the function of the supporting connecting rods.

[0012] Preferably, the upper end of the fixing bolt is fixed by a bolt sleeve, and the bolt sleeve has a groove for matching the fixing bolt. By setting the fixing bolt and the bolt sleeve, the device can be firmly fixed on the fluidized bed, making installation and fixing more convenient.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by providing a protective coating, the device can be more durable and support its use for a longer period of time; by providing a ventilation control port, the device can evenly distribute hot air, allowing the material to be fully mixed and the drying effect to be better; by providing a support and fixing component, the support and fixing component provides a skeleton support for the air distribution plate component, making the device more stable and firm in use; by providing fixing bolts and bolt sleeves, the device can be firmly fixed to the fluidized bed, making installation and fixing more convenient. Attached Figure Description

[0014] Figure 1 This is a top view of the overall structure of the air distribution plate of a fluidized bed dryer granulator according to this utility model; Figure 2 This is a schematic diagram of the overall structure of the air distribution plate of a fluidized bed dryer granulator, viewed from below at an angle. Figure 3 This is a schematic diagram of the air distribution plate assembly in the air distribution plate of a fluidized bed dryer granulator according to the present invention; Figure 4 This is an enlarged structural schematic diagram of the ventilation control port in the air distribution plate of a fluidized bed dryer granulator according to the present invention; Figure 5 This is a schematic diagram of the supporting and fixing component in the air distribution plate of a fluidized bed dryer granulator according to the present invention.

[0015] In the diagram: 1. Air distribution panel assembly; 11. Air distribution circular plate; 12. Protective coating; 13. Ventilation control port; 2. Support and fixing assembly; 21. Central connecting block; 22. Support connecting rod; 23. Fixing bolt; 24. Bolt sleeve. Detailed Implementation

[0016] 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.

[0017] Please see Figure 1 and Figure 2 A fluidized bed dryer granulator air distribution plate includes: an air distribution plate assembly 1 and a support and fixing assembly 2. The bottom of the air distribution plate assembly 1 is connected to the support and fixing assembly 2. The air distribution plate assembly 1 includes an air distribution circular plate 11. The air distribution circular plate 11 is covered with two sets of protective coatings 12 on the top and bottom. The upper end of the air distribution circular plate 11 is connected to a number of ventilation control ports 13.

[0018] Implementation 1: Please refer to Figures 1 to 4To ensure more uniform heating and better distribution of materials, ventilation holes with corresponding ventilation control ports 13 are provided on the air distribution plate 11 and the protective coating 12. Grooves with corresponding support and fixing components 2 are also provided on the air distribution plate 11 and the protective coating 12. The protective coating 12 enhances the device's durability and allows for longer-term use. The ventilation control ports 13 are semi-circular and sealed at the rear. The array of ventilation control ports 13 is clockwise and evenly connected to the air distribution plate 11. The ventilation control ports 13 allow for even distribution of hot air, ensuring thorough mixing of materials and improved drying. The protective coating 12 is made of zirconia spraying, which has excellent wear resistance, high temperature resistance, corrosion resistance, and biocompatibility, and is widely used in industrial and medical fields.

[0019] Implementation 2: Please refer to Figure 2 and Figure 5 To facilitate easier installation and ensure a more robust and stable support, the support and fixing assembly 2 includes a central connecting block 21. Six sets of supporting connecting rods 22 are connected to the outer side of the central connecting block 21. Fixing bolts 23 are located on the right side of each supporting connecting rod 22. The support and fixing assembly 2 provides a skeletal support for the air distribution plate assembly 1, making the device more stable and secure. The central connecting block 21 is located at the bottom center of the air distribution plate 11. The size of the central connecting block 21 matches the hole-free area in the center of the air distribution plate 11, providing a foundation for its function. The six sets of supporting connecting rods 22 are fixedly connected to the bottom of the air distribution plate 11. The width of the supporting connecting rods 22 matches the spacing of the groove holes in the air distribution plate 11, providing a foundation for their function. The upper end of the fixing bolt 23 is secured by a bolt sleeve 24. The bolt sleeve 24 has a groove for the fixing bolt 23. The use of fixing bolts 23 and bolt sleeves 24 allows the device to be firmly fixed to the fluidized bed, making installation and fixing more convenient.

[0020] Working principle: When the device is needed, it is fixed in a suitable position by six sets of fixing bolts 23 and bolt sleeves 24. The central connecting block 21 and the support connecting rod 22 provide support during the use of the device. Hot air is fully mixed and dried by the holes opened in the air distribution plate 11 and the air control port 13.

[0021] The standard parts used in this embodiment can be purchased directly from the market, while the non-standard structural parts described in the specification and drawings can be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0022] 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 its equivalents.

Claims

1. A fluidized bed dryer granulator air distribution plate, characterized in that, include: The air distribution plate assembly (1) and the support and fixing assembly (2) are provided. The bottom of the air distribution plate assembly (1) is connected to the support and fixing assembly (2). The air distribution plate assembly (1) includes an air distribution circular plate (11). The air distribution circular plate (11) is covered with two sets of protective coatings (12) on the top and bottom. The upper end of the air distribution circular plate (11) is connected to a set of ventilation control ports (13).

2. The air distribution plate for a fluidized bed dryer granulator according to claim 1, characterized in that: The air distribution plate (11) and the protective coating (12) are provided with ventilation holes that cooperate with the ventilation control port (13), and the air distribution plate (11) and the protective coating (12) are provided with grooves that cooperate with the support and fixing components (2).

3. The air distribution plate for a fluidized bed dryer granulator according to claim 1, characterized in that: The ventilation control port (13) is a semi-circular plate with a sealed rear end. The ventilation control ports (13) are arranged to open clockwise. The ventilation control ports (13) are evenly connected to the air distribution plate (11).

4. The air distribution plate of a fluidized bed dryer granulator according to claim 1, characterized in that: The support and fixing component (2) includes a central connecting block (21), and six sets of support connecting rods (22) are connected to the outside of the central connecting block (21). A fixing bolt (23) is provided on the right side of the support connecting rod (22).

5. The air distribution plate for a fluidized bed dryer granulator according to claim 4, characterized in that: The central connecting block (21) is located at the bottom center of the air distribution plate (11), and the size of the central connecting block (21) matches the center of the air distribution plate (11) without holes.

6. The air distribution plate for a fluidized bed dryer granulator according to claim 4, characterized in that: The six sets of support connecting rods (22) are fixedly connected to the bottom of the air distribution plate (11), and the width of the support connecting rods (22) matches the spacing of the groove holes of the air distribution plate (11).

7. The air distribution plate for a fluidized bed dryer granulator according to claim 4, characterized in that: The upper end of the fixing bolt (23) is fixed by a bolt sleeve (24), and the bolt sleeve (24) has a groove that matches the fixing bolt (23).

Images