High-fluidity silicon carbide micro-powder spray granulation device
By designing a high-flow silicon carbide micropowder spray granulation device, the arc-shaped cavity and exhaust port are used to extend the contact time between mist droplets and hot air, and through the design of the cleaning plate and slide rod, the problems of insufficient particle drying and uneven particle size in the prior art are solved, and efficient particle drying and quality improvement are achieved.
Patent Information
- Application Number
- CN202421363488.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-15
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-15
AI Technical Summary
In existing spray granulation dryers, the sprayed mist droplets with the downward hot air are too short, resulting in insufficient dryness of the particles and uneven particle size, affecting product quality.
A high-flow silicon carbide micropowder spray granulation device is designed, including a reaction chamber and a turntable. Dry parts are installed in the reaction chamber. The hot gas is discharged into the reaction chamber through the arc-shaped chamber and the exhaust port, extending the contact time between the mist droplets and the hot air, and through the design of the cleaning plate and the sliding rod, the particles are prevented from adhering to the bottom plate.
It effectively improves the dryness and quality of the particles, increases the chance of contact between mist droplets, enables the particles to reach effective specifications, and improves the high flowability of spray granulation.
Smart Images

Figure CN222766237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical equipment, in particular to a high-fluidity silicon carbide micropowder spray granulation device. Background Art
[0002] With the continuous development of society and the continuous advancement of science and technology, great progress has been made in the field of chemical industry. Spray granulation dryer is a kind of drying equipment that produces products after the material reaches the particle size requirements by fluidization, dust removal, atomization, solidification and other treatments.
[0003] In the prior art, the contact time between the sprayed mist droplets and the downward hot air is too short, resulting in insufficient particle drying, and some mist droplets are not dried in time, resulting in uneven particle size during the drying process and poor quality after formation. Utility Model Content
[0004] The purpose of the utility model is to solve the following shortcomings in the prior art: the contact time between the sprayed mist droplets and the downward hot air in the prior art is too short, so that the particle drying degree is insufficient, and a part of the mist droplets are not dried in time, resulting in uneven particle size during the drying process and poor quality after formation, and a high-fluidity silicon carbide micropowder spray granulation device is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A high-fluidity silicon carbide micropowder spray granulation device, comprising a reaction chamber and a turntable, wherein the turntable is rotatably connected to the upper wall of the reaction chamber;
[0007] A drying component is installed in the reaction chamber, and the drying component includes an arc-shaped cavity, a cleaning plate, a sliding rod, a spring, a limit block, a convex plate, and a bottom plate. The two arc-shaped cavities are respectively fixedly connected to the inner wall of the reaction chamber, the bottom plate is fixedly connected between the two arc-shaped cavities, one end of the cleaning plate is rotatably connected to the center of the bottom plate, the convex plate is fixedly connected to one end of the arc-shaped cavity, a plurality of sliding rods are slidably connected to the convex plate, the spring is fixedly connected between the upper end of the sliding rod and the convex plate, the two limit blocks are fixedly connected to the bottom plate, and are arranged on both sides of the convex plate, and a through hole is opened on the bottom plate.
[0008] Preferably, the drying component further comprises a pipe and a circular cavity, the pipe is fixedly connected to the rotating disk, and the circular cavity is fixedly connected to the end of the pipe.
[0009] Preferably, a circular hole arranged in an annular shape is provided on the side wall of the circular cavity.
[0010] Preferably, exhaust ports are respectively provided on the inner side walls of the two arc-shaped cavities.
[0011] Preferably, a rotating rod is fixedly connected to the bottom plate, and the rotating rod is fixedly connected to the cleaning plate.
[0012] Preferably, an impeller is provided in a ring array at the upper end of the rotating rod, and one end of the impeller away from the rotating rod is sealingly and slidably connected to the inner wall of the pipeline.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The hot air generated by the heater enters the arc cavity and is discharged into the reaction cavity through the exhaust port. The mist droplets discharged from the circular cavity are dried and processed into particles and fall on the bottom plate between the two arc cavities, so that the particles can be fully dried. The drying time of the mist droplets by hot air is increased, and the formation of particles is effectively improved. At the same time, the contact probability between the mist droplets is increased, so that they can reach effective specifications after drying, the quality of the particles is improved, and the high fluidity of the silicon carbide micropowder spray granulation is also improved.
[0015] 2. When the convex plate rotates with the cleaning plate, multiple sliding rods can slide to the inclined surface of the limit block and are limited by the limit stretching spring of the limit block. When the sliding rod continues to move away from the limit block with the convex plate, the sliding rod moves down quickly under the tension of the spring and hits the bottom plate, causing vibration on the bottom plate, which can prevent particles from adhering to the upper surface of the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the internal structure of a reaction chamber of a high-fluidity silicon carbide micropowder spray granulation device proposed by the utility model;
[0017] Figure 2 for Figure 1 A partial enlarged view of middle A;
[0018] Figure 3 The utility model provides a schematic diagram of the impeller structure of a high-fluidity silicon carbide micropowder spray granulation device.
[0019] In the figure: 1 reaction chamber, 2 turntable, 3 pipeline, 4 round chamber, 5 rotating rod, 6 bottom plate, 7 cleaning plate, 8 arc chamber, 9 convex plate, 10 impeller, 11 spring, 12 sliding rod, 13 limit block. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the present utility model are only for the convenience of description and are not used to limit the scope of application of the present utility model. Changes or adjustments in their relative relationships shall be regarded as the scope of application of the present utility model without substantially changing the technical content.
[0022] Reference Figure 1-Figure 3 , a high-fluidity silicon carbide micropowder spray granulation device, comprising a reaction chamber 1 and a turntable 2, the turntable 2 is rotatably connected to the upper wall of the reaction chamber 1;
[0023] A drying component is installed in the reaction chamber 1, and the drying component includes an arc chamber 8, a cleaning plate 7, a slide bar 12, a spring 11, a limit block 13, a convex plate 9, and a bottom plate 6. The two arc chambers 8 are respectively fixedly connected to the inner wall of the reaction chamber 1, and exhaust ports are respectively opened on the inner walls of the two arc chambers 8. The bottom plate 6 is fixedly connected between the two arc chambers 8, one end of the cleaning plate 7 is rotatably connected to the center of the bottom plate 6, and the cleaning plate 7 slides on the upper surface of the bottom plate 6. The convex plate 9 is fixedly connected to one end of the arc chamber 8, and multiple slide bars 12 are slidably connected to On the convex plate 9, the spring 11 is fixedly connected between the upper end of the slide rod 12 and the convex plate 9, the two limit blocks 13 are fixedly connected to the bottom plate 6 and are arranged on both sides of the convex plate 9, and a through hole is opened on the bottom plate 6. The movement of the cleaning plate 7 can push the particles on the bottom plate 6 to move and push them until the through hole is at the lower side of the reaction chamber 1. The drying component also includes a pipe 3 and a circular cavity 4. The pipe 3 is fixedly connected to the turntable 2, and the circular cavity 4 is fixedly connected to the end of the pipe 3. An atomizer is arranged in the circular cavity 4, and a circular hole arranged in a ring shape is opened on the side wall of the circular cavity 4.
[0024] A rotating rod 5 is fixedly connected to the bottom plate 6 , and the rotating rod 5 is fixedly connected to the cleaning plate 7 . An impeller 10 is arranged in a ring array on the upper end of the rotating rod 5 , and one end of the impeller 10 away from the rotating rod 5 is sealingly and slidably connected to the inner wall of the pipe 3 .
[0025] In the utility model, when in use, the mist droplets in the atomizer pass through the pipe 3 and are discharged into the reaction chamber 1 through the circular hole on the circular cavity 4. At the same time, the arc cavity 8 is connected with the external heater. The hot air generated by the heater enters the arc cavity 8 and is discharged into the reaction chamber 1 through the exhaust port. The mist droplets discharged from the circular cavity 4 are dried and processed into particles and fall on the bottom plate 6 between the two arc cavities 8, so that the particles can be fully dried, the drying time of the mist droplets by hot air is increased, the formation of particles is effectively improved, and the contact probability between the mist droplets is increased, so that they can reach effective specifications after being dried, and the quality of the particles is improved.
[0026] At the same time, the liquid in the pipeline 3 has a certain water pressure that can push the impeller 10 and drive the rotating rod 5 to rotate. When the rotating rod 5 rotates, it can drive the cleaning plate 7 to slide on the bottom plate 6, so that the particles falling on the bottom plate 6 can be pushed to the through hole on the bottom plate 6, and fall to the lower end of the reaction chamber 1 through the through hole for further processing. When the convex plate 9 rotates with the cleaning plate 7, multiple sliding rods 12 can slide to the inclined surface of the limit block 13, and are limited by the limit block 13. The tension spring 11, when the sliding rod 12 continues to move away from the limit block 13 with the convex plate 9, the sliding rod 12 moves down quickly under the pulling force of the spring 11 and hits the bottom plate 6, causing vibration on the bottom plate 6, which can prevent particles from adhering to the upper surface of the bottom plate 6.
[0027] In the present invention, unless otherwise clearly specified or limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A high-flowability silicon carbide micropowder spray granulation device, comprising a reaction chamber (1) and a rotating disk (2), characterized in that: The turntable (2) is rotatably connected to the upper wall of the reaction chamber (1); A drying component is installed in the reaction chamber (1), and the drying component includes an arc-shaped chamber (8), a cleaning plate (7), a sliding rod (12), a spring (11), a limit block (13), a convex plate (9), and a bottom plate (6). The two arc-shaped chambers (8) are respectively fixedly connected to the inner wall of the reaction chamber (1), the bottom plate (6) is fixedly connected between the two arc-shaped chambers (8), one end of the cleaning plate (7) is rotatably connected to the center of the bottom plate (6), the convex plate (9) is fixedly connected to one end of the arc-shaped chamber (8), a plurality of sliding rods (12) are slidably connected to the convex plate (9), the spring (11) is fixedly connected between the upper end of the sliding rod (12) and the convex plate (9), the two limit blocks (13) are fixedly connected to the bottom plate (6), and are arranged on both sides of the convex plate (9), and a through hole is opened on the bottom plate (6).
2. A high-fluidity silicon carbide micropowder spray granulation device according to claim 1, characterized in that The drying component further comprises a pipe (3) and a circular cavity (4), wherein the pipe (3) is fixedly connected to the turntable (2), and the circular cavity (4) is fixedly connected to the end of the pipe (3).
3. A high-fluidity silicon carbide micropowder spray granulation device according to claim 2, characterized in that: A circular hole arranged in an annular shape is provided on the side wall of the circular cavity (4).
4. The high-fluidity silicon carbide micropowder spray granulation device according to claim 1, characterized in that: Exhaust ports are respectively provided on the inner side walls of the two arc-shaped cavities (8).
5. A high-fluidity silicon carbide micropowder spray granulation device according to claim 2, characterized in that: A rotating rod (5) is fixedly connected to the bottom plate (6), and the rotating rod (5) is fixedly connected to the cleaning plate (7).
6. A high-fluidity silicon carbide micropowder spray granulation device according to claim 5, characterized in that: The upper end of the rotating rod (5) is provided with an impeller (10) in a ring array, and one end of the impeller (10) away from the rotating rod (5) is sealingly and slidably connected to the inner wall of the pipe (3).